SkCanvas.h revision fbfa25802709139c2f14e304319c9541da65ca27
18a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/* 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2006 The Android Open Source Project 38a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com * 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 68a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 78a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 88a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#ifndef SkCanvas_DEFINED 98a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#define SkCanvas_DEFINED 108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkTypes.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBitmap.h" 138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkDeque.h" 14e8597a4dd07d78eb0e7a45d6502896c1b9a8bfebmsarett#include "SkImage.h" 158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPaint.h" 168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRefCnt.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 184a8126e7f81384526629b1e21bf89b632ea13cd9reed#include "SkSurfaceProps.h" 19845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com#include "SkXfermode.h" 2095302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#include "SkLights.h" 218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 22d3ebb48320cf1b7e969974673e4bd7743816985ebungemanclass GrContext; 23175dd9b5e3d7d749738dac743d2ac360b5340187robertphillipsclass GrDrawContext; 241f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.comclass SkBaseDevice; 256a070dc06af4e9f305f9d08a69e34d18ade473cbreedclass SkCanvasClipVisitor; 26d3ebb48320cf1b7e969974673e4bd7743816985ebungemanclass SkClipStack; 27f70b531daaf47db1ee95c70da9843f1dd1f418d3reedclass SkData; 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkDraw; 293cb3840c9af6f70896cf5565a38d4ee03c02d767reedclass SkDrawable; 308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkDrawFilter; 31d3ebb48320cf1b7e969974673e4bd7743816985ebungemanclass SkImageFilter; 3274bb77ee4c747b8c70c5c613987c9f93df71df06mike@reedtribe.orgclass SkMetaData; 33d3ebb48320cf1b7e969974673e4bd7743816985ebungemanclass SkPath; 348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkPicture; 35d3ebb48320cf1b7e969974673e4bd7743816985ebungemanclass SkPixmap; 361e7f5e708e5daeb0c18ae49001c9e3cd5e3b13cbreedclass SkRasterClip; 374ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.comclass SkRRect; 3871c3c760a83123ee0b3127b8c65c6394ce541c50reedstruct SkRSXform; 3976f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.comclass SkSurface; 4097af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.comclass SkSurface_Base; 4100d5c2c6523321d25b32905ff4822f083a4173eefmalitaclass SkTextBlob; 42fa35f8e6ebc9d98d57d2edc35e4a83556eb75caereed 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/** \class SkCanvas 448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com A Canvas encapsulates all of the state about drawing into a device (bitmap). 468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com This includes a reference to the device itself, and a stack of matrix/clip 478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com values. For any given draw call (e.g. drawRect), the geometry of the object 488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com being drawn is transformed by the concatenation of all the matrices in the 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com stack. The transformed geometry is clipped by the intersection of all of 508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com the clips in the stack. 518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com While the Canvas holds the state of the drawing device, the state (style) 538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com of the object being drawn is held by the Paint, which is provided as a 548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com parameter to each of the draw() methods. The Paint holds attributes such as 558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com color, typeface, textSize, strokeWidth, shader (e.g. gradients, patterns), 568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com etc. 578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com*/ 587ffb1b21abcc7bbed5a0fc711f6dd7b9dbb4f577ctguil@chromium.orgclass SK_API SkCanvas : public SkRefCnt { 59bada1885da479d948f065182d6dfa85a1140bda5reed enum PrivateSaveLayerFlags { 60952538ed50661ad7dff6ec2b7af3f921e1d91b52caryclark kDontClipToLayer_PrivateSaveLayerFlag = 1U << 31, 61bada1885da479d948f065182d6dfa85a1140bda5reed }; 62bada1885da479d948f065182d6dfa85a1140bda5reed 638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 64e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org /** 6542b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * Attempt to allocate raster canvas, matching the ImageInfo, that will draw directly into the 6642b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * specified pixels. To access the pixels after drawing to them, the caller should call 6742b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * flush() or call peekPixels(...). 6842b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * 6942b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * On failure, return NULL. This can fail for several reasons: 7042b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * 1. invalid ImageInfo (e.g. negative dimensions) 7142b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * 2. unsupported ImageInfo for a canvas 7242b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * - kUnknown_SkColorType, kIndex_8_SkColorType 7344977485bdac75c055c3fa638f118874ccd2d22freed * - kUnknown_SkAlphaType 7442b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * - this list is not complete, so others may also be unsupported 7542b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * 7642b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * Note: it is valid to request a supported ImageInfo, but with zero 7742b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org * dimensions. 7842b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org */ 7942b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org static SkCanvas* NewRasterDirect(const SkImageInfo&, void*, size_t); 8042b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org 8142b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org static SkCanvas* NewRasterDirectN32(int width, int height, SkPMColor* pixels, size_t rowBytes) { 8242b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org return NewRasterDirect(SkImageInfo::MakeN32Premul(width, height), pixels, rowBytes); 8342b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org } 8442b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org 8542b08932e81abd8ebf296bede1994d297811511dcommit-bot@chromium.org /** 86e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org * Creates an empty canvas with no backing device/pixels, and zero 87e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org * dimensions. 88e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org */ 89cde92111d50a96b6d0f3e166fbac7c9bc6eca349reed@google.com SkCanvas(); 908d84fac294682647694b0d2d8a87ac2bd19b6aabvandebo@chromium.org 91e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org /** 92e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org * Creates a canvas of the specified dimensions, but explicitly not backed 93e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org * by any device/pixels. Typically this use used by subclasses who handle 94e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org * the draw calls in some other way. 95e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org */ 9696a857ef5a40b3d0751ec9ebaaa96d9f20b82b21reed SkCanvas(int width, int height, const SkSurfaceProps* = NULL); 97e254310a55d55a710309714c48f7fbbe7a6126f7commit-bot@chromium.org 986dc745506e6d6cc0936fed4de24443dc1ecb5a34reed@google.com /** Construct a canvas with the specified device to draw into. 99e97f0856a8044866b12527819d14cdfbcdfd96f2bsalomon@google.com 1008d84fac294682647694b0d2d8a87ac2bd19b6aabvandebo@chromium.org @param device Specifies a device for the canvas to draw into. 1018d84fac294682647694b0d2d8a87ac2bd19b6aabvandebo@chromium.org */ 1021f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com explicit SkCanvas(SkBaseDevice* device); 1038d84fac294682647694b0d2d8a87ac2bd19b6aabvandebo@chromium.org 1044469938e92d779dff05e745559e67907bbf21e78reed@google.com /** Construct a canvas with the specified bitmap to draw into. 1058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param bitmap Specifies a bitmap for the canvas to draw into. Its 1068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com structure are copied to the canvas. 1078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com explicit SkCanvas(const SkBitmap& bitmap); 1093d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita 1103d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita /** Construct a canvas with the specified bitmap to draw into. 1113d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita @param bitmap Specifies a bitmap for the canvas to draw into. Its 1123d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita structure are copied to the canvas. 1133d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita @param props New canvas surface properties. 1143d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita */ 1153d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita SkCanvas(const SkBitmap& bitmap, const SkSurfaceProps& props); 1163d91aad293b0f68886ed48ecfa6aa75826a27da8fmalita 1178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com virtual ~SkCanvas(); 1188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11974bb77ee4c747b8c70c5c613987c9f93df71df06mike@reedtribe.org SkMetaData& getMetaData(); 12074bb77ee4c747b8c70c5c613987c9f93df71df06mike@reedtribe.org 121c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org /** 122c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * Return ImageInfo for this canvas. If the canvas is not backed by pixels 123c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * (cpu or gpu), then the info's ColorType will be kUnknown_SkColorType. 124c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org */ 125c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org SkImageInfo imageInfo() const; 126c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org 127898235c4864df66aa7f6d32bc2a8b8551040ce1ebrianosman /** 128898235c4864df66aa7f6d32bc2a8b8551040ce1ebrianosman * If the canvas is backed by pixels (cpu or gpu), this writes a copy of the SurfaceProps 129898235c4864df66aa7f6d32bc2a8b8551040ce1ebrianosman * for the canvas to the location supplied by the caller, and returns true. Otherwise, 130898235c4864df66aa7f6d32bc2a8b8551040ce1ebrianosman * return false and leave the supplied props unchanged. 131898235c4864df66aa7f6d32bc2a8b8551040ce1ebrianosman */ 132898235c4864df66aa7f6d32bc2a8b8551040ce1ebrianosman bool getProps(SkSurfaceProps*) const; 133898235c4864df66aa7f6d32bc2a8b8551040ce1ebrianosman 1348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /////////////////////////////////////////////////////////////////////////// 1358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 136210ce003a5ec039dda80de0569fb47ca4efc4dc7reed@google.com /** 137e63ffef6248bd103b5f7827f1e4bc75e47ca9e20bsalomon * Trigger the immediate execution of all pending draw operations. For the GPU 138e63ffef6248bd103b5f7827f1e4bc75e47ca9e20bsalomon * backend this will resolve all rendering to the GPU surface backing the 139e63ffef6248bd103b5f7827f1e4bc75e47ca9e20bsalomon * SkSurface that owns this canvas. 140bf6c1e4aff4d233f6502157fb73459cf69d0ab37junov@chromium.org */ 141bf6c1e4aff4d233f6502157fb73459cf69d0ab37junov@chromium.org void flush(); 142bf6c1e4aff4d233f6502157fb73459cf69d0ab37junov@chromium.org 143bf6c1e4aff4d233f6502157fb73459cf69d0ab37junov@chromium.org /** 1444ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com * Gets the size of the base or root layer in global canvas coordinates. The 1454ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com * origin of the base layer is always (0,0). The current drawable area may be 1464ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com * smaller (due to clipping or saveLayer). 147210ce003a5ec039dda80de0569fb47ca4efc4dc7reed@google.com */ 14868260fa1e913cb1f1f4f07755acd11357a47dc6ftomhudson virtual SkISize getBaseLayerSize() const; 1494ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com 1504ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com /** 1514ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com * DEPRECATED: call getBaseLayerSize 1524ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com */ 1534ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com SkISize getDeviceSize() const { return this->getBaseLayerSize(); } 154210ce003a5ec039dda80de0569fb47ca4efc4dc7reed@google.com 155c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org /** 156c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * DEPRECATED. 157c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * Return the canvas' device object, which may be null. The device holds 158c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * the bitmap of the pixels that the canvas draws into. The reference count 159c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * of the returned device is not changed by this call. 160c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org */ 16152d9ac6c92ddf33b3b05eb77ba9509a7aa441657reed#ifndef SK_SUPPORT_LEGACY_GETDEVICE 16252d9ac6c92ddf33b3b05eb77ba9509a7aa441657reedprotected: // Can we make this private? 16352d9ac6c92ddf33b3b05eb77ba9509a7aa441657reed#endif 1641f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com SkBaseDevice* getDevice() const; 16552d9ac6c92ddf33b3b05eb77ba9509a7aa441657reedpublic: 16641e010cb901c0da9066c4df562030808c9ccd7f8reed SkBaseDevice* getDevice_just_for_deprecated_compatibility_testing() const { 16741e010cb901c0da9066c4df562030808c9ccd7f8reed return this->getDevice(); 16841e010cb901c0da9066c4df562030808c9ccd7f8reed } 1698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1709266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com /** 1719266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com * saveLayer() can create another device (which is later drawn onto 1729266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com * the previous device). getTopDevice() returns the top-most device current 1739266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com * installed. Note that this can change on other calls like save/restore, 1749266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com * so do not access this device after subsequent canvas calls. 1759266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com * The reference count of the device is not changed. 1760b53d59a24f667350b4282f88470713902409030reed@google.com * 1770b53d59a24f667350b4282f88470713902409030reed@google.com * @param updateMatrixClip If this is true, then before the device is 1780b53d59a24f667350b4282f88470713902409030reed@google.com * returned, we ensure that its has been notified about the current 1790b53d59a24f667350b4282f88470713902409030reed@google.com * matrix and clip. Note: this happens automatically when the device 1800b53d59a24f667350b4282f88470713902409030reed@google.com * is drawn to, but is optional here, as there is a small perf hit 1810b53d59a24f667350b4282f88470713902409030reed@google.com * sometimes. 1829266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com */ 1839c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com#ifndef SK_SUPPORT_LEGACY_GETTOPDEVICE 1849c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.comprivate: 1859c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com#endif 1861f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com SkBaseDevice* getTopDevice(bool updateMatrixClip = false) const; 1879c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.compublic: 1889266fed56a46a4edc710a52c7be8d46fd7c2bc7areed@google.com 18976f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com /** 19076f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com * Create a new surface matching the specified info, one that attempts to 191cae54f1f211e3c293ef9afb968067d06ca0ea23dcommit-bot@chromium.org * be maximally compatible when used with this canvas. If there is no matching Surface type, 192cae54f1f211e3c293ef9afb968067d06ca0ea23dcommit-bot@chromium.org * NULL is returned. 1934a8126e7f81384526629b1e21bf89b632ea13cd9reed * 1944a8126e7f81384526629b1e21bf89b632ea13cd9reed * If surfaceprops is specified, those are passed to the new surface, otherwise the new surface 1954a8126e7f81384526629b1e21bf89b632ea13cd9reed * inherits the properties of the surface that owns this canvas. If this canvas has no parent 1964a8126e7f81384526629b1e21bf89b632ea13cd9reed * surface, then the new surface is created with default properties. 19776f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com */ 198e8f3062a36d3682f4019309a32b5b84dc9eddf8creed sk_sp<SkSurface> makeSurface(const SkImageInfo&, const SkSurfaceProps* = nullptr); 199e8f3062a36d3682f4019309a32b5b84dc9eddf8creed#ifdef SK_SUPPORT_LEGACY_NEW_SURFACE_API 200e8f3062a36d3682f4019309a32b5b84dc9eddf8creed SkSurface* newSurface(const SkImageInfo& info, const SkSurfaceProps* props = NULL); 201e8f3062a36d3682f4019309a32b5b84dc9eddf8creed#endif 202e97f0856a8044866b12527819d14cdfbcdfd96f2bsalomon@google.com 203644629c1c7913a43ced172b98d56e0f471bc348bcommit-bot@chromium.org /** 204644629c1c7913a43ced172b98d56e0f471bc348bcommit-bot@chromium.org * Return the GPU context of the device that is associated with the canvas. 205644629c1c7913a43ced172b98d56e0f471bc348bcommit-bot@chromium.org * For a canvas with non-GPU device, NULL is returned. 206644629c1c7913a43ced172b98d56e0f471bc348bcommit-bot@chromium.org */ 207644629c1c7913a43ced172b98d56e0f471bc348bcommit-bot@chromium.org GrContext* getGrContext(); 208644629c1c7913a43ced172b98d56e0f471bc348bcommit-bot@chromium.org 2094b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com /////////////////////////////////////////////////////////////////////////// 2104b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 211daba14b7d4fc96b915c45d82713b22729c0d0f37bsalomon@google.com /** 2129c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * If the canvas has writable pixels in its top layer (and is not recording to a picture 2139c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * or other non-raster target) and has direct access to its pixels (i.e. they are in 2149c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * local RAM) return the address of those pixels, and if not null, 2156b4aaa77dcc4f17d0e22986f5f4cca70011d1ee5commit-bot@chromium.org * return the ImageInfo, rowBytes and origin. The returned address is only valid 2169c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * while the canvas object is in scope and unchanged. Any API calls made on 2179c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * canvas (or its parent surface if any) will invalidate the 2189c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * returned address (and associated information). 2199c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * 2206b4aaa77dcc4f17d0e22986f5f4cca70011d1ee5commit-bot@chromium.org * On failure, returns NULL and the info, rowBytes, and origin parameters are ignored. 2219c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com */ 2226b4aaa77dcc4f17d0e22986f5f4cca70011d1ee5commit-bot@chromium.org void* accessTopLayerPixels(SkImageInfo* info, size_t* rowBytes, SkIPoint* origin = NULL); 2239c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com 2249c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com /** 2259c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * If the canvas has readable pixels in its base layer (and is not recording to a picture 2269c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com * or other non-raster target) and has direct access to its pixels (i.e. they are in 2276ceeebd37a43d879c120b6ba100ae1febdd67a18reed * local RAM) return true, and if not null, return in the pixmap parameter information about 2286ceeebd37a43d879c120b6ba100ae1febdd67a18reed * the pixels. The pixmap's pixel address is only valid 229c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * while the canvas object is in scope and unchanged. Any API calls made on 2306ceeebd37a43d879c120b6ba100ae1febdd67a18reed * canvas (or its parent surface if any) will invalidate the pixel address 2316ceeebd37a43d879c120b6ba100ae1febdd67a18reed * (and associated information). 232c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org * 2336ceeebd37a43d879c120b6ba100ae1febdd67a18reed * On failure, returns false and the pixmap parameter will be ignored. 234c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org */ 2356ceeebd37a43d879c120b6ba100ae1febdd67a18reed bool peekPixels(SkPixmap*); 2366ceeebd37a43d879c120b6ba100ae1febdd67a18reed 2376ceeebd37a43d879c120b6ba100ae1febdd67a18reed#ifdef SK_SUPPORT_LEGACY_PEEKPIXELS_PARMS 238c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org const void* peekPixels(SkImageInfo* info, size_t* rowBytes); 2396ceeebd37a43d879c120b6ba100ae1febdd67a18reed#endif 240c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org 241a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org /** 242a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * Copy the pixels from the base-layer into the specified buffer (pixels + rowBytes), 243a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * converting them into the requested format (SkImageInfo). The base-layer pixels are read 244b184f7f52b2a94e95aee326a3ca37110d2e43336reed * starting at the specified (srcX,srcY) location in the coordinate system of the base-layer. 245a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * 246b184f7f52b2a94e95aee326a3ca37110d2e43336reed * The specified ImageInfo and (srcX,srcY) offset specifies a source rectangle 247a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * 248b184f7f52b2a94e95aee326a3ca37110d2e43336reed * srcR.setXYWH(srcX, srcY, dstInfo.width(), dstInfo.height()); 249a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * 250b184f7f52b2a94e95aee326a3ca37110d2e43336reed * srcR is intersected with the bounds of the base-layer. If this intersection is not empty, 251b184f7f52b2a94e95aee326a3ca37110d2e43336reed * then we have two sets of pixels (of equal size). Replace the dst pixels with the 252b184f7f52b2a94e95aee326a3ca37110d2e43336reed * corresponding src pixels, performing any colortype/alphatype transformations needed 253b184f7f52b2a94e95aee326a3ca37110d2e43336reed * (in the case where the src and dst have different colortypes or alphatypes). 254a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * 255a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * This call can fail, returning false, for several reasons: 256b184f7f52b2a94e95aee326a3ca37110d2e43336reed * - If srcR does not intersect the base-layer bounds. 257a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * - If the requested colortype/alphatype cannot be converted from the base-layer's types. 258a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * - If this canvas is not backed by pixels (e.g. picture or PDF) 259a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org */ 260b184f7f52b2a94e95aee326a3ca37110d2e43336reed bool readPixels(const SkImageInfo& dstInfo, void* dstPixels, size_t dstRowBytes, 261b184f7f52b2a94e95aee326a3ca37110d2e43336reed int srcX, int srcY); 262a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org 263a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org /** 264a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * Helper for calling readPixels(info, ...). This call will check if bitmap has been allocated. 265a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * If not, it will attempt to call allocPixels(). If this fails, it will return false. If not, 266a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * it calls through to readPixels(info, ...) and returns its result. 267a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org */ 268b184f7f52b2a94e95aee326a3ca37110d2e43336reed bool readPixels(SkBitmap* bitmap, int srcX, int srcY); 269c69809745e6496564639e42ef998ad39adf7dfb8bsalomon@google.com 2704b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com /** 271a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * Helper for allocating pixels and then calling readPixels(info, ...). The bitmap is resized 272a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * to the intersection of srcRect and the base-layer bounds. On success, pixels will be 273a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * allocated in bitmap and true returned. On failure, false is returned and bitmap will be 274a713f9c6f6a06d216d53e268b9c691941053dabfcommit-bot@chromium.org * set to empty. 27551df9e3fe3c1aec370854b2718df16fc02faa1b2reed@google.com */ 27651df9e3fe3c1aec370854b2718df16fc02faa1b2reed@google.com bool readPixels(const SkIRect& srcRect, SkBitmap* bitmap); 27751df9e3fe3c1aec370854b2718df16fc02faa1b2reed@google.com 2784cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org /** 2794cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * This method affects the pixels in the base-layer, and operates in pixel coordinates, 2804cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * ignoring the matrix and clip. 2814cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * 2824cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * The specified ImageInfo and (x,y) offset specifies a rectangle: target. 2834cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * 2844cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * target.setXYWH(x, y, info.width(), info.height()); 2854cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * 2864cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * Target is intersected with the bounds of the base-layer. If this intersection is not empty, 2874cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * then we have two sets of pixels (of equal size), the "src" specified by info+pixels+rowBytes 2884cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * and the "dst" by the canvas' backend. Replace the dst pixels with the corresponding src 2894cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * pixels, performing any colortype/alphatype transformations needed (in the case where the 2904cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * src and dst have different colortypes or alphatypes). 2914cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * 2924cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * This call can fail, returning false, for several reasons: 2934cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * - If the src colortype/alphatype cannot be converted to the canvas' types 2944cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * - If this canvas is not backed by pixels (e.g. picture or PDF) 2954cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org */ 2964cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org bool writePixels(const SkImageInfo&, const void* pixels, size_t rowBytes, int x, int y); 2974cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org 2984cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org /** 2994cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * Helper for calling writePixels(info, ...) by passing its pixels and rowbytes. If the bitmap 3004cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org * is just wrapping a texture, returns false and does nothing. 3014cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org */ 3024cd9e2169e35cd67ee7358acea6541245e1d1744commit-bot@chromium.org bool writePixels(const SkBitmap& bitmap, int x, int y); 3034b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 3048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /////////////////////////////////////////////////////////////////////////// 3058d84fac294682647694b0d2d8a87ac2bd19b6aabvandebo@chromium.org 306dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com /** This call saves the current matrix, clip, and drawFilter, and pushes a 3078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com copy onto a private stack. Subsequent calls to translate, scale, 308dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com rotate, skew, concat or clipRect, clipPath, and setDrawFilter all 309dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com operate on this copy. 310dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com When the balancing call to restore() is made, the previous matrix, clip, 311dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com and drawFilter are restored. 312d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org 313d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org @return The value to pass to restoreToCount() to balance this save() 314d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org */ 315d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org int save(); 316d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org 3178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** This behaves the same as save(), but in addition it allocates an 3188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com offscreen bitmap. All drawing calls are directed there, and only when 3198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com the balancing call to restore() is made is that offscreen transfered to 320dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com the canvas (or the previous layer). 321ad164b2025cba65131ca68221a6ea7640d7b1de8reed@android.com @param bounds (may be null) This rect, if non-null, is used as a hint to 322ad164b2025cba65131ca68221a6ea7640d7b1de8reed@android.com limit the size of the offscreen, and thus drawing may be 323ad164b2025cba65131ca68221a6ea7640d7b1de8reed@android.com clipped to it, though that clipping is not guaranteed to 324ad164b2025cba65131ca68221a6ea7640d7b1de8reed@android.com happen. If exact clipping is desired, use clipRect(). 3258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint (may be null) This is copied, and is applied to the 3268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com offscreen when restore() is called 327d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org @return The value to pass to restoreToCount() to balance this save() 328d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org */ 329d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org int saveLayer(const SkRect* bounds, const SkPaint* paint); 330021f631dc66da06dbe4aed21df2f27daecce9db7reed int saveLayer(const SkRect& bounds, const SkPaint* paint) { 331021f631dc66da06dbe4aed21df2f27daecce9db7reed return this->saveLayer(&bounds, paint); 332021f631dc66da06dbe4aed21df2f27daecce9db7reed } 333d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org 33470ee31b2fa127eee6c0cea61cf05508e9d3ca7b1reed /** 33570ee31b2fa127eee6c0cea61cf05508e9d3ca7b1reed * Temporary name. 33670ee31b2fa127eee6c0cea61cf05508e9d3ca7b1reed * Will allow any requests for LCD text to be respected, so the caller must be careful to 33770ee31b2fa127eee6c0cea61cf05508e9d3ca7b1reed * only draw on top of opaque sections of the layer to get good results. 33870ee31b2fa127eee6c0cea61cf05508e9d3ca7b1reed */ 33970ee31b2fa127eee6c0cea61cf05508e9d3ca7b1reed int saveLayerPreserveLCDTextRequests(const SkRect* bounds, const SkPaint* paint); 34070ee31b2fa127eee6c0cea61cf05508e9d3ca7b1reed 3418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** This behaves the same as save(), but in addition it allocates an 3428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com offscreen bitmap. All drawing calls are directed there, and only when 3438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com the balancing call to restore() is made is that offscreen transfered to 344dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com the canvas (or the previous layer). 34540408614655c4057d93842c9b0f09aa6dfff9e02reed@android.com @param bounds (may be null) This rect, if non-null, is used as a hint to 34640408614655c4057d93842c9b0f09aa6dfff9e02reed@android.com limit the size of the offscreen, and thus drawing may be 34740408614655c4057d93842c9b0f09aa6dfff9e02reed@android.com clipped to it, though that clipping is not guaranteed to 34840408614655c4057d93842c9b0f09aa6dfff9e02reed@android.com happen. If exact clipping is desired, use clipRect(). 3498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param alpha This is applied to the offscreen when restore() is called. 350d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org @return The value to pass to restoreToCount() to balance this save() 351d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org */ 352d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org int saveLayerAlpha(const SkRect* bounds, U8CPU alpha); 353d70fa2013adccaa52d1f3e6ca501a4d4ab1520f3commit-bot@chromium.org 3544960eeec4a1f2a772654883d7f3615d47bcd5dc3reed enum { 3554960eeec4a1f2a772654883d7f3615d47bcd5dc3reed kIsOpaque_SaveLayerFlag = 1 << 0, 3564960eeec4a1f2a772654883d7f3615d47bcd5dc3reed kPreserveLCDText_SaveLayerFlag = 1 << 1, 357bada1885da479d948f065182d6dfa85a1140bda5reed 358bada1885da479d948f065182d6dfa85a1140bda5reed#ifdef SK_SUPPORT_LEGACY_CLIPTOLAYERFLAG 359bada1885da479d948f065182d6dfa85a1140bda5reed kDontClipToLayer_Legacy_SaveLayerFlag = kDontClipToLayer_PrivateSaveLayerFlag, 360bada1885da479d948f065182d6dfa85a1140bda5reed#endif 3614960eeec4a1f2a772654883d7f3615d47bcd5dc3reed }; 3624960eeec4a1f2a772654883d7f3615d47bcd5dc3reed typedef uint32_t SaveLayerFlags; 3634960eeec4a1f2a772654883d7f3615d47bcd5dc3reed 3644960eeec4a1f2a772654883d7f3615d47bcd5dc3reed struct SaveLayerRec { 365bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed SaveLayerRec() 366bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed : fBounds(nullptr), fPaint(nullptr), fBackdrop(nullptr), fSaveLayerFlags(0) 367bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed {} 3684960eeec4a1f2a772654883d7f3615d47bcd5dc3reed SaveLayerRec(const SkRect* bounds, const SkPaint* paint, SaveLayerFlags saveLayerFlags = 0) 3694960eeec4a1f2a772654883d7f3615d47bcd5dc3reed : fBounds(bounds) 3704960eeec4a1f2a772654883d7f3615d47bcd5dc3reed , fPaint(paint) 371bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed , fBackdrop(nullptr) 372bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed , fSaveLayerFlags(saveLayerFlags) 373bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed {} 374bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed SaveLayerRec(const SkRect* bounds, const SkPaint* paint, const SkImageFilter* backdrop, 375bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed SaveLayerFlags saveLayerFlags) 376bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed : fBounds(bounds) 377bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed , fPaint(paint) 378bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed , fBackdrop(backdrop) 3794960eeec4a1f2a772654883d7f3615d47bcd5dc3reed , fSaveLayerFlags(saveLayerFlags) 3804960eeec4a1f2a772654883d7f3615d47bcd5dc3reed {} 3814960eeec4a1f2a772654883d7f3615d47bcd5dc3reed 382bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed const SkRect* fBounds; // optional 383bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed const SkPaint* fPaint; // optional 384bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed const SkImageFilter* fBackdrop; // optional 385bfd5f171e6a3eccd7c4bede652a85fd76bcbce2areed SaveLayerFlags fSaveLayerFlags; 3864960eeec4a1f2a772654883d7f3615d47bcd5dc3reed }; 3874960eeec4a1f2a772654883d7f3615d47bcd5dc3reed 3884960eeec4a1f2a772654883d7f3615d47bcd5dc3reed int saveLayer(const SaveLayerRec&); 3894960eeec4a1f2a772654883d7f3615d47bcd5dc3reed 3908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** This call balances a previous call to save(), and is used to remove all 391dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com modifications to the matrix/clip/drawFilter state since the last save 392dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com call. 393dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com It is an error to call restore() more times than save() was called. 3948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 395e54a23fcfa42b2fc9d320650de72bcb2d9566b2dcommit-bot@chromium.org void restore(); 3968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 3978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Returns the number of matrix/clip states on the SkCanvas' private stack. 398ea7d08e3bbc45a0a573c1ac06afa4452f8d7000acommit-bot@chromium.org This will equal # save() calls - # restore() calls + 1. The save count on 399ea7d08e3bbc45a0a573c1ac06afa4452f8d7000acommit-bot@chromium.org a new canvas is 1. 4008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 401a907ac3e3e3458fbb5d673c3feafb31fd7647b38junov@chromium.org int getSaveCount() const; 4028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Efficient way to pop any calls to save() that happened after the save 404ea7d08e3bbc45a0a573c1ac06afa4452f8d7000acommit-bot@chromium.org count reached saveCount. It is an error for saveCount to be greater than 405ea7d08e3bbc45a0a573c1ac06afa4452f8d7000acommit-bot@chromium.org getSaveCount(). To pop all the way back to the initial matrix/clip context 406ea7d08e3bbc45a0a573c1ac06afa4452f8d7000acommit-bot@chromium.org pass saveCount == 1. 4078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param saveCount The number of save() levels to restore from 4088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 4098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void restoreToCount(int saveCount); 4108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Preconcat the current matrix with the specified translation 4128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param dx The distance to translate in X 4138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param dy The distance to translate in Y 4148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 41592362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org void translate(SkScalar dx, SkScalar dy); 4168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Preconcat the current matrix with the specified scale. 4188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param sx The amount to scale in X 4198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param sy The amount to scale in Y 4208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 42192362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org void scale(SkScalar sx, SkScalar sy); 4228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4237438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman /** Preconcat the current matrix with the specified rotation about the origin. 4248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param degrees The amount to rotate, in degrees 4258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 42692362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org void rotate(SkScalar degrees); 4278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4287438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman /** Preconcat the current matrix with the specified rotation about a given point. 4297438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman @param degrees The amount to rotate, in degrees 4307438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman @param px The x coordinate of the point to rotate about. 4317438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman @param py The y coordinate of the point to rotate about. 4327438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman */ 4337438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman void rotate(SkScalar degrees, SkScalar px, SkScalar py); 4347438bfc0804d021aa92cdd5ea644994a4248f3dbbungeman 4358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Preconcat the current matrix with the specified skew. 4368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param sx The amount to skew in X 4378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param sy The amount to skew in Y 4388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 43992362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org void skew(SkScalar sx, SkScalar sy); 4408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Preconcat the current matrix with the specified matrix. 4428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param matrix The matrix to preconcatenate with the current matrix 4438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 44492362383a4de7b0d819c88fa8b74242bb2507602commit-bot@chromium.org void concat(const SkMatrix& matrix); 4454b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 4468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Replace the current matrix with a copy of the specified matrix. 4478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param matrix The matrix that will be copied into the current matrix. 4488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 44944c48d062f7996b5b46917e1b312a32ad101f326commit-bot@chromium.org void setMatrix(const SkMatrix& matrix); 4504b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 4518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Helper for setMatrix(identity). Sets the current matrix to identity. 4528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 4538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void resetMatrix(); 4548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 45595302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#ifdef SK_EXPERIMENTAL_SHADOWING 456e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack /** Add the specified translation to the current draw depth of the canvas. 457e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack @param z The distance to translate in Z. 458e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack Negative into screen, positive out of screen. 459e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack Without translation, the draw depth defaults to 0. 460e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack */ 461e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack void translateZ(SkScalar z); 462e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack 46395302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack /** Set the current set of lights in the canvas. 46495302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack @param lights The lights that we want the canvas to have. 46595302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack */ 46695302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack void setLights(sk_sp<SkLights> lights); 46795302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack 46895302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack /** Returns the current set of lights the canvas uses 46995302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack */ 47095302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack sk_sp<SkLights> getLights() const; 47195302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#endif 47295302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack 4734ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com /** 4744ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * Modify the current clip with the specified rectangle. 4754ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param rect The rect to combine with the current clip 4764ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param op The region op to apply to the current clip 4774ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param doAntiAlias true if the clip should be antialiased 4784ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com */ 479759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org void clipRect(const SkRect& rect, 480759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org SkRegion::Op op = SkRegion::kIntersect_Op, 481759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org bool doAntiAlias = false); 4828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 4834ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com /** 4844ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * Modify the current clip with the specified SkRRect. 4854ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param rrect The rrect to combine with the current clip 4864ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param op The region op to apply to the current clip 4874ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param doAntiAlias true if the clip should be antialiased 4884ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com */ 489759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org void clipRRect(const SkRRect& rrect, 490759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org SkRegion::Op op = SkRegion::kIntersect_Op, 491759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org bool doAntiAlias = false); 4924ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com 4934ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com /** 4944ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * Modify the current clip with the specified path. 4954ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param path The path to combine with the current clip 4964ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param op The region op to apply to the current clip 4974ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param doAntiAlias true if the clip should be antialiased 4984ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com */ 499759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org void clipPath(const SkPath& path, 500759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org SkRegion::Op op = SkRegion::kIntersect_Op, 501759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org bool doAntiAlias = false); 5028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5038f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com /** EXPERIMENTAL -- only used for testing 5048f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com Set to false to force clips to be hard, even if doAntiAlias=true is 5058f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com passed to clipRect or clipPath. 5068f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com */ 5078f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com void setAllowSoftClip(bool allow) { 5088f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com fAllowSoftClip = allow; 5098f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com } 5108f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com 51145a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com /** EXPERIMENTAL -- only used for testing 51245a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com Set to simplify clip stack using path ops. 51345a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com */ 51445a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com void setAllowSimplifyClip(bool allow) { 51545a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com fAllowSimplifyClip = allow; 51645a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com } 51745a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com 5188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Modify the current clip with the specified region. Note that unlike 5198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com clipRect() and clipPath() which transform their arguments by the current 5208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com matrix, clipRegion() assumes its argument is already in device 5218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com coordinates, and so no transformation is performed. 5228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param deviceRgn The region to apply to the current clip 5236e998e6137e6b25f047b5c5943f2b02485165e3emtklein @param op The region op to apply to the current clip 5248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 525759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org void clipRegion(const SkRegion& deviceRgn, 526759cf4846804be137229393e04925752423de2d0commit-bot@chromium.org SkRegion::Op op = SkRegion::kIntersect_Op); 5278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Helper for clipRegion(rgn, kReplace_Op). Sets the current clip to the 5298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com specified region. This does not intersect or in any other way account 5308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com for the existing clip region. 5318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param deviceRgn The region to copy into the current clip. 5328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 5338f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com void setClipRegion(const SkRegion& deviceRgn) { 5348f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com this->clipRegion(deviceRgn, SkRegion::kReplace_Op); 5358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 5368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Return true if the specified rectangle, after being transformed by the 5388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com current matrix, would lie completely outside of the current clip. Call 5398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this to check if an area you intend to draw into is clipped out (and 5408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com therefore you can skip making the draw calls). 5418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param rect the rect to compare with the current clip 5428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @return true if the rect (transformed by the canvas' matrix) does not 5438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com intersect with the canvas' clip 5448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 5453b3e895df6f8ee0f33010367c215944cd16a8334reed@google.com bool quickReject(const SkRect& rect) const; 5468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Return true if the specified path, after being transformed by the 5488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com current matrix, would lie completely outside of the current clip. Call 5498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this to check if an area you intend to draw into is clipped out (and 5508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com therefore you can skip making the draw calls). Note, for speed it may 5518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return false even if the path itself might not intersect the clip 5528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com (i.e. the bounds of the path intersects, but the path does not). 5538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param path The path to compare with the current clip 5548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @return true if the path (transformed by the canvas' matrix) does not 5558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com intersect with the canvas' clip 5568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 5573b3e895df6f8ee0f33010367c215944cd16a8334reed@google.com bool quickReject(const SkPath& path) const; 5588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Return the bounds of the current clip (in local coordinates) in the 5608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bounds parameter, and return true if it is non-empty. This can be useful 5618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com in a way similar to quickReject, in that it tells you that drawing 5628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com outside of these bounds will be clipped out. 5638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 5648f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com virtual bool getClipBounds(SkRect* bounds) const; 5658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 566bcb671c82a7341253864cda3a5c46d396402d7fbtomhudson@google.com /** Return the bounds of the current clip, in device coordinates; returns 567bcb671c82a7341253864cda3a5c46d396402d7fbtomhudson@google.com true if non-empty. Maybe faster than getting the clip explicitly and 568bcb671c82a7341253864cda3a5c46d396402d7fbtomhudson@google.com then taking its bounds. 569bcb671c82a7341253864cda3a5c46d396402d7fbtomhudson@google.com */ 5708f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com virtual bool getClipDeviceBounds(SkIRect* bounds) const; 57174b461961607fa57a150a9282c410ef0cab38764vandebo@chromium.org 572bcb671c82a7341253864cda3a5c46d396402d7fbtomhudson@google.com 5738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Fill the entire canvas' bitmap (restricted to the current clip) with the 574845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com specified ARGB color, using the specified mode. 5758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param a the alpha component (0..255) of the color to fill the canvas 5768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param r the red component (0..255) of the color to fill the canvas 5778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param g the green component (0..255) of the color to fill the canvas 5788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param b the blue component (0..255) of the color to fill the canvas 5798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param mode the mode to apply the color in (defaults to SrcOver) 5808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 5818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawARGB(U8CPU a, U8CPU r, U8CPU g, U8CPU b, 582845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode); 5838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 5848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Fill the entire canvas' bitmap (restricted to the current clip) with the 585845fdaca174f4675e9acc164b510e3a5ffa9053creed@android.com specified color and mode. 5868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param color the color to draw with 5878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param mode the mode to apply the color in (defaults to SrcOver) 5888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 5898eddfb50c0c9e4bcba6384a2ce39852b5fb5becbreed void drawColor(SkColor color, SkXfermode::Mode mode = SkXfermode::kSrcOver_Mode); 5908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 591f4e0d9eb2d72fe92c30237de978936113143dc16reed /** 592f4e0d9eb2d72fe92c30237de978936113143dc16reed * Helper method for drawing a color in SRC mode, completely replacing all the pixels 593f4e0d9eb2d72fe92c30237de978936113143dc16reed * in the current clip with this color. 594f4e0d9eb2d72fe92c30237de978936113143dc16reed */ 595f4e0d9eb2d72fe92c30237de978936113143dc16reed void clear(SkColor color) { 5968eddfb50c0c9e4bcba6384a2ce39852b5fb5becbreed this->drawColor(color, SkXfermode::kSrc_Mode); 5978eddfb50c0c9e4bcba6384a2ce39852b5fb5becbreed } 5982a98181f048c11f21f52fbd99f803f5fd6118261reed@google.com 5992a98181f048c11f21f52fbd99f803f5fd6118261reed@google.com /** 60028361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * This makes the contents of the canvas undefined. Subsequent calls that 60128361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * require reading the canvas contents will produce undefined results. Examples 60228361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * include blending and readPixels. The actual implementation is backend- 603a1bb8e02fe7956b2f85a0afadbca5f607a804403benjaminwagner * dependent and one legal implementation is to do nothing. This method 604a1bb8e02fe7956b2f85a0afadbca5f607a804403benjaminwagner * ignores the current clip. 60528361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * 60628361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * This function should only be called if the caller intends to subsequently 60728361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * draw to the canvas. The canvas may do real work at discard() time in order 60828361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * to optimize performance on subsequent draws. Thus, if you call this and then 60928361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org * never draw to the canvas subsequently you may pay a perfomance penalty. 61028361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org */ 61128361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org void discard() { this->onDiscard(); } 61228361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org 61328361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org /** 614a1bb8e02fe7956b2f85a0afadbca5f607a804403benjaminwagner * Fill the entire canvas (restricted to the current clip) with the 6152a98181f048c11f21f52fbd99f803f5fd6118261reed@google.com * specified paint. 6162a98181f048c11f21f52fbd99f803f5fd6118261reed@google.com * @param paint The paint used to fill the canvas 6172a98181f048c11f21f52fbd99f803f5fd6118261reed@google.com */ 6180846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawPaint(const SkPaint& paint); 6198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com enum PointMode { 6218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** drawPoints draws each point separately */ 6228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com kPoints_PointMode, 6238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** drawPoints draws each pair of points as a line segment */ 6248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com kLines_PointMode, 6258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** drawPoints draws the array of points as a polygon */ 6268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com kPolygon_PointMode 6278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 6288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw a series of points, interpreted based on the PointMode mode. For 6308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com all modes, the count parameter is interpreted as the total number of 6318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com points. For kLine mode, count/2 line segments are drawn. 6328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com For kPoint mode, each point is drawn centered at its coordinate, and its 6338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com size is specified by the paint's stroke-width. It draws as a square, 6348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com unless the paint's cap-type is round, in which the points are drawn as 6358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com circles. 6368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com For kLine mode, each pair of points is drawn as a line segment, 6378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com respecting the paint's settings for cap/join/width. 6388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com For kPolygon mode, the entire array is drawn as a series of connected 6398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com line segments. 6408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com Note that, while similar, kLine and kPolygon modes draw slightly 6418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com differently than the equivalent path built with a series of moveto, 6428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com lineto calls, in that the path will draw all of its contours at once, 6438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com with no interactions if contours intersect each other (think XOR 6448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com xfermode). drawPoints always draws each element one at a time. 6458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param mode PointMode specifying how to draw the array of points. 6468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param count The number of points in the array 6478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param pts Array of points to draw 6488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the points 6498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 6500846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawPoints(PointMode mode, size_t count, const SkPoint pts[], const SkPaint& paint); 6518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Helper method for drawing a single point. See drawPoints() for a more 6538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com details. 6548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 6558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawPoint(SkScalar x, SkScalar y, const SkPaint& paint); 6564b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 6578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draws a single pixel in the specified color. 6588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param x The X coordinate of which pixel to draw 6598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param y The Y coordiante of which pixel to draw 6608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param color The color to draw 6618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 6628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawPoint(SkScalar x, SkScalar y, SkColor color); 6638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw a line segment with the specified start and stop x,y coordinates, 6658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com using the specified paint. NOTE: since a line is always "framed", the 6668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint's Style is ignored. 6678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param x0 The x-coordinate of the start point of the line 6688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param y0 The y-coordinate of the start point of the line 6698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param x1 The x-coordinate of the end point of the line 6708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param y1 The y-coordinate of the end point of the line 6718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the line 6728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 6738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawLine(SkScalar x0, SkScalar y0, SkScalar x1, SkScalar y1, 6748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint); 6758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified rectangle using the specified paint. The rectangle 6778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com will be filled or stroked based on the Style in the paint. 6788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param rect The rect to be drawn 6798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the rect 6808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 6810846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawRect(const SkRect& rect, const SkPaint& paint); 6828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 6838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified rectangle using the specified paint. The rectangle 6848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com will be filled or framed based on the Style in the paint. 6858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param rect The rect to be drawn 6868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the rect 6878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 68887001ed1f6f1d498874f7f4ba39abcf608ae8bf5reed@google.com void drawIRect(const SkIRect& rect, const SkPaint& paint) { 6898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r; 6908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com r.set(rect); // promotes the ints to scalars 6918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this->drawRect(r, paint); 6928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 6934b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 6948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified rectangle using the specified paint. The rectangle 6958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com will be filled or framed based on the Style in the paint. 6968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param left The left side of the rectangle to be drawn 6978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param top The top side of the rectangle to be drawn 6988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param right The right side of the rectangle to be drawn 6998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param bottom The bottom side of the rectangle to be drawn 7008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the rect 7018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 7028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawRectCoords(SkScalar left, SkScalar top, SkScalar right, 7038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar bottom, const SkPaint& paint); 7048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified oval using the specified paint. The oval will be 7068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com filled or framed based on the Style in the paint. 7078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param oval The rectangle bounds of the oval to be drawn 7088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the oval 7098a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 7100846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawOval(const SkRect& oval, const SkPaint&); 7114ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com 7124ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com /** 7134ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * Draw the specified RRect using the specified paint The rrect will be filled or stroked 7144ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * based on the Style in the paint. 7154ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * 7164ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param rrect The round-rect to draw 7174ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com * @param paint The paint used to draw the round-rect 7184ed0fb768409bf97b79899c3990d8c15f5e9d784reed@google.com */ 7190846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawRRect(const SkRRect& rrect, const SkPaint& paint); 7208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 721ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org /** 722ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org * Draw the annulus formed by the outer and inner rrects. The results 723ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org * are undefined if the outer does not contain the inner. 724ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org */ 725ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org void drawDRRect(const SkRRect& outer, const SkRRect& inner, const SkPaint&); 726ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org 7278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified circle using the specified paint. If radius is <= 0, 7288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com then nothing will be drawn. The circle will be filled 7298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com or framed based on the Style in the paint. 7308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param cx The x-coordinate of the center of the cirle to be drawn 7318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param cy The y-coordinate of the center of the cirle to be drawn 7328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param radius The radius of the cirle to be drawn 7338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the circle 7348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 7358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawCircle(SkScalar cx, SkScalar cy, SkScalar radius, 7368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint); 7378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified arc, which will be scaled to fit inside the 7398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com specified oval. If the sweep angle is >= 360, then the oval is drawn 7408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com completely. Note that this differs slightly from SkPath::arcTo, which 7418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com treats the sweep angle mod 360. 7428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param oval The bounds of oval used to define the shape of the arc 7438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param startAngle Starting angle (in degrees) where the arc begins 7448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param sweepAngle Sweep angle (in degrees) measured clockwise 7458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param useCenter true means include the center of the oval. For filling 7468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com this will draw a wedge. False means just use the arc. 7478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the arc 7488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 7498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawArc(const SkRect& oval, SkScalar startAngle, SkScalar sweepAngle, 7508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool useCenter, const SkPaint& paint); 7518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified round-rect using the specified paint. The round-rect 7538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com will be filled or framed based on the Style in the paint. 7548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param rect The rectangular bounds of the roundRect to be drawn 7558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param rx The x-radius of the oval used to round the corners 7568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param ry The y-radius of the oval used to round the corners 7578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the roundRect 7588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 7598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void drawRoundRect(const SkRect& rect, SkScalar rx, SkScalar ry, 7608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint); 7618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified path using the specified paint. The path will be 7638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com filled or framed based on the Style in the paint. 7648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param path The path to be drawn 7658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the path 7668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 7670846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawPath(const SkPath& path, const SkPaint& paint); 7688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 769d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr /** Draw the specified image, with its top/left corner at (x,y), using the 770d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr specified paint, transformed by the current matrix. 771d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr 772d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr @param image The image to be drawn 773d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr @param left The position of the left side of the image being drawn 774d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr @param top The position of the top side of the image being drawn 775d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr @param paint The paint used to draw the image, or NULL 776d52893cfc8c3fb1187c04c66f6beda66e1bb0b2cpiotaixr */ 7770846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawImage(const SkImage* image, SkScalar left, SkScalar top, const SkPaint* paint = NULL); 778f8053da25981c6b3152b637c1c91f43cff194c25reed void drawImage(const sk_sp<SkImage>& image, SkScalar left, SkScalar top, 779f8053da25981c6b3152b637c1c91f43cff194c25reed const SkPaint* paint = NULL) { 780f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawImage(image.get(), left, top, paint); 781f8053da25981c6b3152b637c1c91f43cff194c25reed } 782b5fae93d72c7b6480f83fd8a7b534cd1fdfcd49apiotaixr 783a5517e2b190a8083b38964972b031c13e99f1012reed /** 784a5517e2b190a8083b38964972b031c13e99f1012reed * Controls the behavior at the edge of the src-rect, when specified in drawImageRect, 785a5517e2b190a8083b38964972b031c13e99f1012reed * trading off speed for exactness. 786a5517e2b190a8083b38964972b031c13e99f1012reed * 787a5517e2b190a8083b38964972b031c13e99f1012reed * When filtering is enabled (in the Paint), skia may need to sample in a neighborhood around 788a5517e2b190a8083b38964972b031c13e99f1012reed * the pixels in the image. If there is a src-rect specified, it is intended to restrict the 789a5517e2b190a8083b38964972b031c13e99f1012reed * pixels that will be read. However, for performance reasons, some implementations may slow 790a5517e2b190a8083b38964972b031c13e99f1012reed * down if they cannot read 1-pixel past the src-rect boundary at times. 791a5517e2b190a8083b38964972b031c13e99f1012reed * 792a5517e2b190a8083b38964972b031c13e99f1012reed * This enum allows the caller to specify if such a 1-pixel "slop" will be visually acceptable. 793a5517e2b190a8083b38964972b031c13e99f1012reed * If it is, the caller should pass kFast, and it may result in a faster draw. If the src-rect 794a5517e2b190a8083b38964972b031c13e99f1012reed * must be strictly respected, the caller should pass kStrict. 795a5517e2b190a8083b38964972b031c13e99f1012reed */ 796a5517e2b190a8083b38964972b031c13e99f1012reed enum SrcRectConstraint { 797a5517e2b190a8083b38964972b031c13e99f1012reed /** 798a5517e2b190a8083b38964972b031c13e99f1012reed * If kStrict is specified, the implementation must respect the src-rect 799a5517e2b190a8083b38964972b031c13e99f1012reed * (if specified) strictly, and will never sample outside of those bounds during sampling 800a5517e2b190a8083b38964972b031c13e99f1012reed * even when filtering. This may be slower than kFast. 801a5517e2b190a8083b38964972b031c13e99f1012reed */ 802a5517e2b190a8083b38964972b031c13e99f1012reed kStrict_SrcRectConstraint, 803a5517e2b190a8083b38964972b031c13e99f1012reed 804a5517e2b190a8083b38964972b031c13e99f1012reed /** 805a5517e2b190a8083b38964972b031c13e99f1012reed * If kFast is specified, the implementation may sample outside of the src-rect 80619e82e3b9f6fb5a02fc033121f2047b4d886112ebsalomon * (if specified) by half the width of filter. This allows greater flexibility 807a5517e2b190a8083b38964972b031c13e99f1012reed * to the implementation and can make the draw much faster. 808a5517e2b190a8083b38964972b031c13e99f1012reed */ 809a5517e2b190a8083b38964972b031c13e99f1012reed kFast_SrcRectConstraint, 810a5517e2b190a8083b38964972b031c13e99f1012reed }; 811a5517e2b190a8083b38964972b031c13e99f1012reed 812a5517e2b190a8083b38964972b031c13e99f1012reed /** Draw the specified image, scaling and translating so that it fills the specified 813a5517e2b190a8083b38964972b031c13e99f1012reed * dst rect. If the src rect is non-null, only that subset of the image is transformed 814a5517e2b190a8083b38964972b031c13e99f1012reed * and drawn. 815a5517e2b190a8083b38964972b031c13e99f1012reed * 816a5517e2b190a8083b38964972b031c13e99f1012reed * @param image The image to be drawn 817a5517e2b190a8083b38964972b031c13e99f1012reed * @param src Optional: specify the subset of the image to be drawn 818a5517e2b190a8083b38964972b031c13e99f1012reed * @param dst The destination rectangle where the scaled/translated 819a5517e2b190a8083b38964972b031c13e99f1012reed * image will be drawn 820a5517e2b190a8083b38964972b031c13e99f1012reed * @param paint The paint used to draw the image, or NULL 821a5517e2b190a8083b38964972b031c13e99f1012reed * @param constraint Control the tradeoff between speed and exactness w.r.t. the src-rect. 822a5517e2b190a8083b38964972b031c13e99f1012reed */ 823e47829b6b1eeb6b0c97ccb3df3016d197046824creed void drawImageRect(const SkImage* image, const SkRect& src, const SkRect& dst, 824e47829b6b1eeb6b0c97ccb3df3016d197046824creed const SkPaint* paint, 825e47829b6b1eeb6b0c97ccb3df3016d197046824creed SrcRectConstraint constraint = kStrict_SrcRectConstraint); 826e47829b6b1eeb6b0c97ccb3df3016d197046824creed // variant that takes src SkIRect 827e47829b6b1eeb6b0c97ccb3df3016d197046824creed void drawImageRect(const SkImage* image, const SkIRect& isrc, const SkRect& dst, 828e47829b6b1eeb6b0c97ccb3df3016d197046824creed const SkPaint* paint, SrcRectConstraint = kStrict_SrcRectConstraint); 829e47829b6b1eeb6b0c97ccb3df3016d197046824creed // variant that assumes src == image-bounds 830e47829b6b1eeb6b0c97ccb3df3016d197046824creed void drawImageRect(const SkImage* image, const SkRect& dst, const SkPaint* paint, 831e47829b6b1eeb6b0c97ccb3df3016d197046824creed SrcRectConstraint = kStrict_SrcRectConstraint); 83284984efeb64787b88c5f8bd6929cfe2d58a3ba06reed 833f8053da25981c6b3152b637c1c91f43cff194c25reed void drawImageRect(const sk_sp<SkImage>& image, const SkRect& src, const SkRect& dst, 834f8053da25981c6b3152b637c1c91f43cff194c25reed const SkPaint* paint, 835f8053da25981c6b3152b637c1c91f43cff194c25reed SrcRectConstraint constraint = kStrict_SrcRectConstraint) { 836f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawImageRect(image.get(), src, dst, paint, constraint); 837f8053da25981c6b3152b637c1c91f43cff194c25reed } 838f8053da25981c6b3152b637c1c91f43cff194c25reed void drawImageRect(const sk_sp<SkImage>& image, const SkIRect& isrc, const SkRect& dst, 839f8053da25981c6b3152b637c1c91f43cff194c25reed const SkPaint* paint, SrcRectConstraint cons = kStrict_SrcRectConstraint) { 840f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawImageRect(image.get(), isrc, dst, paint, cons); 841f8053da25981c6b3152b637c1c91f43cff194c25reed } 842f8053da25981c6b3152b637c1c91f43cff194c25reed void drawImageRect(const sk_sp<SkImage>& image, const SkRect& dst, const SkPaint* paint, 843f8053da25981c6b3152b637c1c91f43cff194c25reed SrcRectConstraint cons = kStrict_SrcRectConstraint) { 844f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawImageRect(image.get(), dst, paint, cons); 845f8053da25981c6b3152b637c1c91f43cff194c25reed } 846f8053da25981c6b3152b637c1c91f43cff194c25reed 8474c21dc5ddf3b482293ed34eead876d8d61a662c3reed /** 8484c21dc5ddf3b482293ed34eead876d8d61a662c3reed * Draw the image stretched differentially to fit into dst. 8494c21dc5ddf3b482293ed34eead876d8d61a662c3reed * center is a rect within the image, and logically divides the image 8504c21dc5ddf3b482293ed34eead876d8d61a662c3reed * into 9 sections (3x3). For example, if the middle pixel of a [5x5] 8514c21dc5ddf3b482293ed34eead876d8d61a662c3reed * image is the "center", then the center-rect should be [2, 2, 3, 3]. 8524c21dc5ddf3b482293ed34eead876d8d61a662c3reed * 8534c21dc5ddf3b482293ed34eead876d8d61a662c3reed * If the dst is >= the image size, then... 8544c21dc5ddf3b482293ed34eead876d8d61a662c3reed * - The 4 corners are not stretched at all. 8554c21dc5ddf3b482293ed34eead876d8d61a662c3reed * - The sides are stretched in only one axis. 8564c21dc5ddf3b482293ed34eead876d8d61a662c3reed * - The center is stretched in both axes. 8574c21dc5ddf3b482293ed34eead876d8d61a662c3reed * Else, for each axis where dst < image, 8584c21dc5ddf3b482293ed34eead876d8d61a662c3reed * - The corners shrink proportionally 8594c21dc5ddf3b482293ed34eead876d8d61a662c3reed * - The sides (along the shrink axis) and center are not drawn 8604c21dc5ddf3b482293ed34eead876d8d61a662c3reed */ 8614c21dc5ddf3b482293ed34eead876d8d61a662c3reed void drawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst, 862f8053da25981c6b3152b637c1c91f43cff194c25reed const SkPaint* paint = nullptr); 863f8053da25981c6b3152b637c1c91f43cff194c25reed void drawImageNine(const sk_sp<SkImage>& image, const SkIRect& center, const SkRect& dst, 864f8053da25981c6b3152b637c1c91f43cff194c25reed const SkPaint* paint = nullptr) { 865f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawImageNine(image.get(), center, dst, paint); 866f8053da25981c6b3152b637c1c91f43cff194c25reed } 8674c21dc5ddf3b482293ed34eead876d8d61a662c3reed 8688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the specified bitmap, with its top/left corner at (x,y), using the 8698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com specified paint, transformed by the current matrix. Note: if the paint 8708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com contains a maskfilter that generates a mask which extends beyond the 8718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bitmap's original width/height, then the bitmap will be drawn as if it 8728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com were in a Shader with CLAMP mode. Thus the color outside of the original 8738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com width/height will be the edge color replicated. 87491246b9fc7740547d4b1b3f144684483c8e968cdcommit-bot@chromium.org 87591246b9fc7740547d4b1b3f144684483c8e968cdcommit-bot@chromium.org If a shader is present on the paint it will be ignored, except in the 876f20fc24a7def23093a1abd2fc8de4a1302aeb9f8reed@google.com case where the bitmap is kAlpha_8_SkColorType. In that case, the color is 87791246b9fc7740547d4b1b3f144684483c8e968cdcommit-bot@chromium.org generated by the shader. 87891246b9fc7740547d4b1b3f144684483c8e968cdcommit-bot@chromium.org 8798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param bitmap The bitmap to be drawn 8808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param left The position of the left side of the bitmap being drawn 8818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param top The position of the top side of the bitmap being drawn 8828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used to draw the bitmap, or NULL 8838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 8840846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, 8850846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed const SkPaint* paint = NULL); 8868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 887a5517e2b190a8083b38964972b031c13e99f1012reed /** Draw the specified bitmap, scaling and translating so that it fills the specified 888a5517e2b190a8083b38964972b031c13e99f1012reed * dst rect. If the src rect is non-null, only that subset of the bitmap is transformed 889a5517e2b190a8083b38964972b031c13e99f1012reed * and drawn. 890a5517e2b190a8083b38964972b031c13e99f1012reed * 891a5517e2b190a8083b38964972b031c13e99f1012reed * @param bitmap The bitmap to be drawn 892a5517e2b190a8083b38964972b031c13e99f1012reed * @param src Optional: specify the subset of the bitmap to be drawn 893a5517e2b190a8083b38964972b031c13e99f1012reed * @param dst The destination rectangle where the scaled/translated 894a5517e2b190a8083b38964972b031c13e99f1012reed * bitmap will be drawn 895a5517e2b190a8083b38964972b031c13e99f1012reed * @param paint The paint used to draw the bitmap, or NULL 896a5517e2b190a8083b38964972b031c13e99f1012reed * @param constraint Control the tradeoff between speed and exactness w.r.t. the src-rect. 897a5517e2b190a8083b38964972b031c13e99f1012reed */ 898e47829b6b1eeb6b0c97ccb3df3016d197046824creed void drawBitmapRect(const SkBitmap& bitmap, const SkRect& src, const SkRect& dst, 89984984efeb64787b88c5f8bd6929cfe2d58a3ba06reed const SkPaint* paint, SrcRectConstraint = kStrict_SrcRectConstraint); 900e47829b6b1eeb6b0c97ccb3df3016d197046824creed // variant where src is SkIRect 90184984efeb64787b88c5f8bd6929cfe2d58a3ba06reed void drawBitmapRect(const SkBitmap& bitmap, const SkIRect& isrc, const SkRect& dst, 90284984efeb64787b88c5f8bd6929cfe2d58a3ba06reed const SkPaint* paint, SrcRectConstraint = kStrict_SrcRectConstraint); 903e47829b6b1eeb6b0c97ccb3df3016d197046824creed void drawBitmapRect(const SkBitmap& bitmap, const SkRect& dst, const SkPaint* paint, 90419e82e3b9f6fb5a02fc033121f2047b4d886112ebsalomon SrcRectConstraint = kStrict_SrcRectConstraint); 90584984efeb64787b88c5f8bd6929cfe2d58a3ba06reed 906f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com /** 907c573a40ed5024b463e47088d307e3164a486dba5msarett * Draw the bitmap stretched or shrunk differentially to fit into dst. 908f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * center is a rect within the bitmap, and logically divides the bitmap 909f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * into 9 sections (3x3). For example, if the middle pixel of a [5x5] 910f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * bitmap is the "center", then the center-rect should be [2, 2, 3, 3]. 911f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * 912f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * If the dst is >= the bitmap size, then... 9139bf380ce7f848dfb5886dd52b82746521454b739robertphillips@google.com * - The 4 corners are not stretched at all. 9149bf380ce7f848dfb5886dd52b82746521454b739robertphillips@google.com * - The sides are stretched in only one axis. 9159bf380ce7f848dfb5886dd52b82746521454b739robertphillips@google.com * - The center is stretched in both axes. 916f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * Else, for each axis where dst < bitmap, 917f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * - The corners shrink proportionally 918f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com * - The sides (along the shrink axis) and center are not drawn 919f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com */ 9200846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, const SkRect& dst, 9210846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed const SkPaint* paint = NULL); 922f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com 923c573a40ed5024b463e47088d307e3164a486dba5msarett /** 924c573a40ed5024b463e47088d307e3164a486dba5msarett * Specifies coordinates to divide a bitmap into (xCount*yCount) rects. 925c573a40ed5024b463e47088d307e3164a486dba5msarett */ 926c573a40ed5024b463e47088d307e3164a486dba5msarett struct Lattice { 927c573a40ed5024b463e47088d307e3164a486dba5msarett // An array of x-coordinates that divide the bitmap vertically. 928c573a40ed5024b463e47088d307e3164a486dba5msarett // These must be unique, increasing, and in the set [0, width]. 929c573a40ed5024b463e47088d307e3164a486dba5msarett // Does not have ownership. 930c573a40ed5024b463e47088d307e3164a486dba5msarett const int* fXDivs; 931c573a40ed5024b463e47088d307e3164a486dba5msarett 932c573a40ed5024b463e47088d307e3164a486dba5msarett // The number of fXDivs. 933c573a40ed5024b463e47088d307e3164a486dba5msarett int fXCount; 934c573a40ed5024b463e47088d307e3164a486dba5msarett 935c573a40ed5024b463e47088d307e3164a486dba5msarett // An array of y-coordinates that divide the bitmap horizontally. 936c573a40ed5024b463e47088d307e3164a486dba5msarett // These must be unique, increasing, and in the set [0, height]. 937c573a40ed5024b463e47088d307e3164a486dba5msarett // Does not have ownership. 938c573a40ed5024b463e47088d307e3164a486dba5msarett const int* fYDivs; 939c573a40ed5024b463e47088d307e3164a486dba5msarett 940c573a40ed5024b463e47088d307e3164a486dba5msarett // The number of fYDivs. 941c573a40ed5024b463e47088d307e3164a486dba5msarett int fYCount; 942c573a40ed5024b463e47088d307e3164a486dba5msarett }; 943c573a40ed5024b463e47088d307e3164a486dba5msarett 944c573a40ed5024b463e47088d307e3164a486dba5msarett /** 945c573a40ed5024b463e47088d307e3164a486dba5msarett * Draw the bitmap stretched or shrunk differentially to fit into dst. 946c573a40ed5024b463e47088d307e3164a486dba5msarett * 947c573a40ed5024b463e47088d307e3164a486dba5msarett * Moving horizontally across the bitmap, alternating rects will be "scalable" 948c573a40ed5024b463e47088d307e3164a486dba5msarett * (in the x-dimension) to fit into dst or must be left "fixed". The first rect 949c573a40ed5024b463e47088d307e3164a486dba5msarett * is treated as "fixed", but it's possible to specify an empty first rect by 950c573a40ed5024b463e47088d307e3164a486dba5msarett * making lattice.fXDivs[0] = 0. 951c573a40ed5024b463e47088d307e3164a486dba5msarett * 952c573a40ed5024b463e47088d307e3164a486dba5msarett * The scale factor for all "scalable" rects will be the same, and may be greater 953c573a40ed5024b463e47088d307e3164a486dba5msarett * than or less than 1 (meaning we can stretch or shrink). If the number of 954c573a40ed5024b463e47088d307e3164a486dba5msarett * "fixed" pixels is greater than the width of the dst, we will collapse all of 955c573a40ed5024b463e47088d307e3164a486dba5msarett * the "scalable" regions and appropriately downscale the "fixed" regions. 956c573a40ed5024b463e47088d307e3164a486dba5msarett * 957c573a40ed5024b463e47088d307e3164a486dba5msarett * The same interpretation also applies to the y-dimension. 958c573a40ed5024b463e47088d307e3164a486dba5msarett */ 959c573a40ed5024b463e47088d307e3164a486dba5msarett void drawBitmapLattice(const SkBitmap& bitmap, const Lattice& lattice, const SkRect& dst, 960c573a40ed5024b463e47088d307e3164a486dba5msarett const SkPaint* paint = nullptr); 961c573a40ed5024b463e47088d307e3164a486dba5msarett void drawImageLattice(const SkImage* image, const Lattice& lattice, const SkRect& dst, 962c573a40ed5024b463e47088d307e3164a486dba5msarett const SkPaint* paint = nullptr); 963c573a40ed5024b463e47088d307e3164a486dba5msarett 9648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the text, with origin at (x,y), using the specified paint. 9658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com The origin is interpreted based on the Align setting in the paint. 9668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param text The text to be drawn 9678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param byteLength The number of bytes to read from the text parameter 9688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param x The x-coordinate of the origin of the text being drawn 9698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param y The y-coordinate of the origin of the text being drawn 9708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used for the text (e.g. color, size, style) 9718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 972f7430ccfc0e7b445a44b840c1453c9ef5988a656reed void drawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, 973f7430ccfc0e7b445a44b840c1453c9ef5988a656reed const SkPaint& paint); 9748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the text, with each character/glyph origin specified by the pos[] 9764b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com array. The origin is interpreted by the Align setting in the paint. 9778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param text The text to be drawn 9788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param byteLength The number of bytes to read from the text parameter 9798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param pos Array of positions, used to position each character 9808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used for the text (e.g. color, size, style) 9818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 982f7430ccfc0e7b445a44b840c1453c9ef5988a656reed void drawPosText(const void* text, size_t byteLength, const SkPoint pos[], 983f7430ccfc0e7b445a44b840c1453c9ef5988a656reed const SkPaint& paint); 9844b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 9858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the text, with each character/glyph origin specified by the x 9868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com coordinate taken from the xpos[] array, and the y from the constY param. 9874b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com The origin is interpreted by the Align setting in the paint. 9888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param text The text to be drawn 9898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param byteLength The number of bytes to read from the text parameter 9908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param xpos Array of x-positions, used to position each character 9918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param constY The shared Y coordinate for all of the positions 9928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used for the text (e.g. color, size, style) 9938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 994f7430ccfc0e7b445a44b840c1453c9ef5988a656reed void drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], SkScalar constY, 995f7430ccfc0e7b445a44b840c1453c9ef5988a656reed const SkPaint& paint); 9964b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 9978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the text, with origin at (x,y), using the specified paint, along 9988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com the specified path. The paint's Align setting determins where along the 9998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path to start the text. 10008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param text The text to be drawn 10018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param byteLength The number of bytes to read from the text parameter 10028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param path The path the text should follow for its baseline 10038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param hOffset The distance along the path to add to the text's 10048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com starting position 10058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param vOffset The distance above(-) or below(+) the path to 10068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com position the text 10078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used for the text 10088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1009f7430ccfc0e7b445a44b840c1453c9ef5988a656reed void drawTextOnPathHV(const void* text, size_t byteLength, const SkPath& path, SkScalar hOffset, 10108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar vOffset, const SkPaint& paint); 10118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 10128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the text, with origin at (x,y), using the specified paint, along 10138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com the specified path. The paint's Align setting determins where along the 10148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com path to start the text. 10158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param text The text to be drawn 10168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param byteLength The number of bytes to read from the text parameter 10178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param path The path the text should follow for its baseline 10188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param matrix (may be null) Applied to the text before it is 10198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com mapped onto the path 10208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param paint The paint used for the text 10218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1022f7430ccfc0e7b445a44b840c1453c9ef5988a656reed void drawTextOnPath(const void* text, size_t byteLength, const SkPath& path, 1023f7430ccfc0e7b445a44b840c1453c9ef5988a656reed const SkMatrix* matrix, const SkPaint& paint); 10248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 102545561a0b15fe045ba272c328684c3f7ae290785areed /** 102645561a0b15fe045ba272c328684c3f7ae290785areed * Draw the text with each character/glyph individually transformed by its xform. 102745561a0b15fe045ba272c328684c3f7ae290785areed * If cullRect is not null, it is a conservative bounds of what will be drawn 102863f30d90498ca1a48868421b528036f3be30e2adreed * taking into account the xforms and the paint, and will be used to accelerate culling. 102945561a0b15fe045ba272c328684c3f7ae290785areed */ 103045561a0b15fe045ba272c328684c3f7ae290785areed void drawTextRSXform(const void* text, size_t byteLength, const SkRSXform[], 103145561a0b15fe045ba272c328684c3f7ae290785areed const SkRect* cullRect, const SkPaint& paint); 103245561a0b15fe045ba272c328684c3f7ae290785areed 103300d5c2c6523321d25b32905ff4822f083a4173eefmalita /** Draw the text blob, offset by (x,y), using the specified paint. 103400d5c2c6523321d25b32905ff4822f083a4173eefmalita @param blob The text blob to be drawn 103500d5c2c6523321d25b32905ff4822f083a4173eefmalita @param x The x-offset of the text being drawn 103600d5c2c6523321d25b32905ff4822f083a4173eefmalita @param y The y-offset of the text being drawn 103700d5c2c6523321d25b32905ff4822f083a4173eefmalita @param paint The paint used for the text (e.g. color, size, style) 103800d5c2c6523321d25b32905ff4822f083a4173eefmalita */ 103900d5c2c6523321d25b32905ff4822f083a4173eefmalita void drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint); 10402ab9057b31ee92060b9769ea1adfada51c11c010reed void drawTextBlob(const sk_sp<SkTextBlob>& blob, SkScalar x, SkScalar y, const SkPaint& paint) { 10412ab9057b31ee92060b9769ea1adfada51c11c010reed this->drawTextBlob(blob.get(), x, y, paint); 10422ab9057b31ee92060b9769ea1adfada51c11c010reed } 104300d5c2c6523321d25b32905ff4822f083a4173eefmalita 10448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the picture into this canvas. This method effective brackets the 10458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com playback of the picture's draw calls with save/restore, so the state 1046a44de9617a0a51014bacc4151287995ededcdf62djsollen@google.com of this canvas will be unchanged after this call. 10478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param picture The recorded drawing commands to playback into this 10488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas. 10498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 10501c2c441fede0ae9573afc098017011e3439624a9reed void drawPicture(const SkPicture* picture) { 10511c2c441fede0ae9573afc098017011e3439624a9reed this->drawPicture(picture, NULL, NULL); 10521c2c441fede0ae9573afc098017011e3439624a9reed } 1053ca2622ba051829fed5f30facd74c5b41cd4b931creed void drawPicture(const sk_sp<SkPicture>& picture) { 1054f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawPicture(picture.get()); 1055f8053da25981c6b3152b637c1c91f43cff194c25reed } 10569b14f26d0f3a974f3dd626c8354e1db1cfcd322frobertphillips 1057d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed /** 1058d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * Draw the picture into this canvas. 1059d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * 1060d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * If matrix is non-null, apply that matrix to the CTM when drawing this picture. This is 1061d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * logically equivalent to 1062d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * save/concat/drawPicture/restore 1063d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * 1064d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * If paint is non-null, draw the picture into a temporary buffer, and then apply the paint's 1065d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * alpha/colorfilter/imagefilter/xfermode to that buffer as it is drawn to the canvas. 1066d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * This is logically equivalent to 1067d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed * saveLayer(paint)/drawPicture/restore 1068d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed */ 1069d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed void drawPicture(const SkPicture*, const SkMatrix* matrix, const SkPaint* paint); 1070ca2622ba051829fed5f30facd74c5b41cd4b931creed void drawPicture(const sk_sp<SkPicture>& picture, const SkMatrix* matrix, const SkPaint* paint) { 1071f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawPicture(picture.get(), matrix, paint); 1072f8053da25981c6b3152b637c1c91f43cff194c25reed } 1073d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed 107495302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#ifdef SK_EXPERIMENTAL_SHADOWING 107595302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack /** 107695302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * Draw the picture into this canvas. 107795302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * 107895302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * We will use the canvas's lights along with the picture information (draw depths of 107995302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * objects, etc) to first create a set of shadowmaps for the light-picture pairs, and 108095302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * then use that set of shadowmaps to render the scene with shadows. 108195302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * 108295302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * If matrix is non-null, apply that matrix to the CTM when drawing this picture. This is 108395302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * logically equivalent to 108495302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * save/concat/drawPicture/restore 108595302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * 108695302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * If paint is non-null, draw the picture into a temporary buffer, and then apply the paint's 108795302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * alpha/colorfilter/imagefilter/xfermode to that buffer as it is drawn to the canvas. 108895302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * This is logically equivalent to 108995302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * saveLayer(paint)/drawPicture/restore 109095302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack * 109195302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack */ 109295302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack void drawShadowedPicture(const SkPicture*, 109395302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack const SkMatrix* matrix, 109495302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack const SkPaint* paint); 109595302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack void drawShadowedPicture(const sk_sp<SkPicture>& picture, 109695302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack const SkMatrix* matrix, 109795302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack const SkPaint* paint) { 109895302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack this->drawShadowedPicture(picture.get(), matrix, paint); 109995302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack } 110095302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#endif 110195302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack 11028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com enum VertexMode { 11038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com kTriangles_VertexMode, 11048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com kTriangleStrip_VertexMode, 11058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com kTriangleFan_VertexMode 11068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 11074b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 11088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Draw the array of vertices, interpreted as triangles (based on mode). 1109559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org 1110559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org If both textures and vertex-colors are NULL, it strokes hairlines with 1111559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org the paint's color. This behavior is a useful debugging mode to visualize 1112559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org the mesh. 1113559a8833f0eae4af37dc0ffc3ee97e1fb14817b1commit-bot@chromium.org 11148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param vmode How to interpret the array of vertices 11158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param vertexCount The number of points in the vertices array (and 11168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com corresponding texs and colors arrays if non-null) 11178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param vertices Array of vertices for the mesh 11188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param texs May be null. If not null, specifies the coordinate 1119631a59b9393208ed3546e81ca843f2f7da06ca64robertphillips@google.com in _texture_ space (not uv space) for each vertex. 11208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param colors May be null. If not null, specifies a color for each 11218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com vertex, to be interpolated across the triangle. 11228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param xmode Used if both texs and colors are present. In this 11238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com case the colors are combined with the texture using mode, 11248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com before being drawn using the paint. If mode is null, then 11258d3cd7a170c810e3816bf00220cbef51e7b16795reed@google.com kModulate_Mode is used. 11268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param indices If not null, array of indices to reference into the 11278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com vertex (texs, colors) array. 11288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param indexCount number of entries in the indices array (if not null) 11294b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com @param paint Specifies the shader/texture if present. 11308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 11310846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed void drawVertices(VertexMode vmode, int vertexCount, 11320846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed const SkPoint vertices[], const SkPoint texs[], 11330846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed const SkColor colors[], SkXfermode* xmode, 11340846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed const uint16_t indices[], int indexCount, 11350846f1b1c43f5edebc2d87a19c7bca6574ff41dfreed const SkPaint& paint); 1136cfb6bdf767796c950f89985445738d2d8e7f12b0reed void drawVertices(VertexMode vmode, int vertexCount, 1137cfb6bdf767796c950f89985445738d2d8e7f12b0reed const SkPoint vertices[], const SkPoint texs[], 113892d48830852f3e34644561dbbfaf10364836482dmtklein const SkColor colors[], const sk_sp<SkXfermode>& xmode, 1139cfb6bdf767796c950f89985445738d2d8e7f12b0reed const uint16_t indices[], int indexCount, 1140cfb6bdf767796c950f89985445738d2d8e7f12b0reed const SkPaint& paint) { 1141cfb6bdf767796c950f89985445738d2d8e7f12b0reed this->drawVertices(vmode, vertexCount, vertices, texs, colors, xmode.get(), 1142cfb6bdf767796c950f89985445738d2d8e7f12b0reed indices, indexCount, paint); 1143cfb6bdf767796c950f89985445738d2d8e7f12b0reed } 11446cfa73a29a26edf1d03bca224ad6860396308ffcmtklein 1145b3c9d1c33caf325aada244204215eb790c228c12dandov /** 1146b3c9d1c33caf325aada244204215eb790c228c12dandov Draw a cubic coons patch 11476cfa73a29a26edf1d03bca224ad6860396308ffcmtklein 1148b3c9d1c33caf325aada244204215eb790c228c12dandov @param cubic specifies the 4 bounding cubic bezier curves of a patch with clockwise order 1149b3c9d1c33caf325aada244204215eb790c228c12dandov starting at the top left corner. 1150b3c9d1c33caf325aada244204215eb790c228c12dandov @param colors specifies the colors for the corners which will be bilerp across the patch, 1151b3c9d1c33caf325aada244204215eb790c228c12dandov their order is clockwise starting at the top left corner. 11526cfa73a29a26edf1d03bca224ad6860396308ffcmtklein @param texCoords specifies the texture coordinates that will be bilerp across the patch, 1153b3c9d1c33caf325aada244204215eb790c228c12dandov their order is the same as the colors. 11546cfa73a29a26edf1d03bca224ad6860396308ffcmtklein @param xmode specifies how are the colors and the textures combined if both of them are 1155b3c9d1c33caf325aada244204215eb790c228c12dandov present. 1156963137b75c0a1fe91f35e9826742f36309f5e65ddandov @param paint Specifies the shader/texture if present. 1157963137b75c0a1fe91f35e9826742f36309f5e65ddandov */ 1158b3c9d1c33caf325aada244204215eb790c228c12dandov void drawPatch(const SkPoint cubics[12], const SkColor colors[4], 1159b3c9d1c33caf325aada244204215eb790c228c12dandov const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint); 1160cfb6bdf767796c950f89985445738d2d8e7f12b0reed void drawPatch(const SkPoint cubics[12], const SkColor colors[4], const SkPoint texCoords[4], 1161cfb6bdf767796c950f89985445738d2d8e7f12b0reed const sk_sp<SkXfermode>& xmode, const SkPaint& paint) { 1162cfb6bdf767796c950f89985445738d2d8e7f12b0reed this->drawPatch(cubics, colors, texCoords, xmode.get(), paint); 1163cfb6bdf767796c950f89985445738d2d8e7f12b0reed } 11648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 11653cb3840c9af6f70896cf5565a38d4ee03c02d767reed /** 116671c3c760a83123ee0b3127b8c65c6394ce541c50reed * Draw a set of sprites from the atlas. Each is specified by a tex rectangle in the 116771c3c760a83123ee0b3127b8c65c6394ce541c50reed * coordinate space of the atlas, and a corresponding xform which transforms the tex rectangle 116871c3c760a83123ee0b3127b8c65c6394ce541c50reed * into a quad. 116971c3c760a83123ee0b3127b8c65c6394ce541c50reed * 117071c3c760a83123ee0b3127b8c65c6394ce541c50reed * xform maps [0, 0, tex.width, tex.height] -> quad 117171c3c760a83123ee0b3127b8c65c6394ce541c50reed * 117271c3c760a83123ee0b3127b8c65c6394ce541c50reed * The color array is optional. When specified, each color modulates the pixels in its 117371c3c760a83123ee0b3127b8c65c6394ce541c50reed * corresponding quad (via the specified SkXfermode::Mode). 117471c3c760a83123ee0b3127b8c65c6394ce541c50reed * 117571c3c760a83123ee0b3127b8c65c6394ce541c50reed * The cullRect is optional. When specified, it must be a conservative bounds of all of the 117671c3c760a83123ee0b3127b8c65c6394ce541c50reed * resulting transformed quads, allowing the canvas to skip drawing if the cullRect does not 117771c3c760a83123ee0b3127b8c65c6394ce541c50reed * intersect the current clip. 117871c3c760a83123ee0b3127b8c65c6394ce541c50reed * 117971c3c760a83123ee0b3127b8c65c6394ce541c50reed * The paint is optional. If specified, its antialiasing, alpha, color-filter, image-filter 118071c3c760a83123ee0b3127b8c65c6394ce541c50reed * and xfermode are used to affect each of the quads. 118171c3c760a83123ee0b3127b8c65c6394ce541c50reed */ 118271c3c760a83123ee0b3127b8c65c6394ce541c50reed void drawAtlas(const SkImage* atlas, const SkRSXform xform[], const SkRect tex[], 118371c3c760a83123ee0b3127b8c65c6394ce541c50reed const SkColor colors[], int count, SkXfermode::Mode, const SkRect* cullRect, 118471c3c760a83123ee0b3127b8c65c6394ce541c50reed const SkPaint* paint); 118571c3c760a83123ee0b3127b8c65c6394ce541c50reed 118671c3c760a83123ee0b3127b8c65c6394ce541c50reed void drawAtlas(const SkImage* atlas, const SkRSXform xform[], const SkRect tex[], int count, 118771c3c760a83123ee0b3127b8c65c6394ce541c50reed const SkRect* cullRect, const SkPaint* paint) { 118871c3c760a83123ee0b3127b8c65c6394ce541c50reed this->drawAtlas(atlas, xform, tex, NULL, count, SkXfermode::kDst_Mode, cullRect, paint); 118971c3c760a83123ee0b3127b8c65c6394ce541c50reed } 119071c3c760a83123ee0b3127b8c65c6394ce541c50reed 1191f8053da25981c6b3152b637c1c91f43cff194c25reed void drawAtlas(const sk_sp<SkImage>& atlas, const SkRSXform xform[], const SkRect tex[], 1192f8053da25981c6b3152b637c1c91f43cff194c25reed const SkColor colors[], int count, SkXfermode::Mode mode, const SkRect* cull, 1193f8053da25981c6b3152b637c1c91f43cff194c25reed const SkPaint* paint) { 1194f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawAtlas(atlas.get(), xform, tex, colors, count, mode, cull, paint); 1195f8053da25981c6b3152b637c1c91f43cff194c25reed } 1196f8053da25981c6b3152b637c1c91f43cff194c25reed void drawAtlas(const sk_sp<SkImage>& atlas, const SkRSXform xform[], const SkRect tex[], 1197f8053da25981c6b3152b637c1c91f43cff194c25reed int count, const SkRect* cullRect, const SkPaint* paint) { 1198f8053da25981c6b3152b637c1c91f43cff194c25reed this->drawAtlas(atlas.get(), xform, tex, nullptr, count, SkXfermode::kDst_Mode, 1199f8053da25981c6b3152b637c1c91f43cff194c25reed cullRect, paint); 1200f8053da25981c6b3152b637c1c91f43cff194c25reed } 1201f8053da25981c6b3152b637c1c91f43cff194c25reed 120271c3c760a83123ee0b3127b8c65c6394ce541c50reed /** 12033cb3840c9af6f70896cf5565a38d4ee03c02d767reed * Draw the contents of this drawable into the canvas. If the canvas is async 12043cb3840c9af6f70896cf5565a38d4ee03c02d767reed * (e.g. it is recording into a picture) then the drawable will be referenced instead, 12053cb3840c9af6f70896cf5565a38d4ee03c02d767reed * to have its draw() method called when the picture is finalized. 12063cb3840c9af6f70896cf5565a38d4ee03c02d767reed * 12073cb3840c9af6f70896cf5565a38d4ee03c02d767reed * If the intent is to force the contents of the drawable into this canvas immediately, 12083cb3840c9af6f70896cf5565a38d4ee03c02d767reed * then drawable->draw(canvas) may be called. 12093cb3840c9af6f70896cf5565a38d4ee03c02d767reed */ 1210a8db72864a43ad1fbba3c2892cf5cd88060a43efreed void drawDrawable(SkDrawable* drawable, const SkMatrix* = NULL); 1211a8db72864a43ad1fbba3c2892cf5cd88060a43efreed void drawDrawable(SkDrawable*, SkScalar x, SkScalar y); 12126a070dc06af4e9f305f9d08a69e34d18ade473cbreed 1213f70b531daaf47db1ee95c70da9843f1dd1f418d3reed /** 1214f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * Send an "annotation" to the canvas. The annotation is a key/value pair, where the key is 1215f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * a null-terminated utf8 string, and the value is a blob of data stored in an SkData 1216f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * (which may be null). The annotation is associated with the specified rectangle. 1217f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * 1218f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * The caller still retains its ownership of the data (if any). 1219f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * 1220f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * Note: on may canvas types, this information is ignored, but some canvases (e.g. recording 1221f70b531daaf47db1ee95c70da9843f1dd1f418d3reed * a picture or drawing to a PDF document) will pass on this information. 1222f70b531daaf47db1ee95c70da9843f1dd1f418d3reed */ 1223f70b531daaf47db1ee95c70da9843f1dd1f418d3reed void drawAnnotation(const SkRect&, const char key[], SkData* value); 12240fba3b97b5b0e3707b31931ab9325030b81c940fmtklein void drawAnnotation(const SkRect& rect, const char key[], const sk_sp<SkData>& value) { 12250fba3b97b5b0e3707b31931ab9325030b81c940fmtklein this->drawAnnotation(rect, key, value.get()); 12260fba3b97b5b0e3707b31931ab9325030b81c940fmtklein } 1227f70b531daaf47db1ee95c70da9843f1dd1f418d3reed 12288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ////////////////////////////////////////////////////////////////////////// 12297765000709dc64eb23be7df47d1f995d1f787115fmalita#ifdef SK_INTERNAL 123053d9f1cfbd5ddbf57c2f22b9e613ce48e5b2896cfmalita#ifndef SK_SUPPORT_LEGACY_DRAWFILTER 123153d9f1cfbd5ddbf57c2f22b9e613ce48e5b2896cfmalita #define SK_SUPPORT_LEGACY_DRAWFILTER 12327765000709dc64eb23be7df47d1f995d1f787115fmalita#endif 12337765000709dc64eb23be7df47d1f995d1f787115fmalita#endif 12344b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 123553d9f1cfbd5ddbf57c2f22b9e613ce48e5b2896cfmalita#ifdef SK_SUPPORT_LEGACY_DRAWFILTER 12368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Get the current filter object. The filter's reference count is not 1237dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com affected. The filter is saved/restored, just like the matrix and clip. 12388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @return the canvas' filter (or NULL). 12398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 12407765000709dc64eb23be7df47d1f995d1f787115fmalita SK_ATTR_EXTERNALLY_DEPRECATED("getDrawFilter use is deprecated") 12418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDrawFilter* getDrawFilter() const; 12424b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 12438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Set the new filter (or NULL). Pass NULL to clear any existing filter. 12448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com As a convenience, the parameter is returned. If an existing filter 12458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com exists, its refcnt is decrement. If the new filter is not null, its 1246dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com refcnt is incremented. The filter is saved/restored, just like the 1247dc3381fc8194a6192af39539c6ac9787b20209d3reed@android.com matrix and clip. 12488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @param filter the new filter (or NULL) 12498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @return the new filter 12508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 12517765000709dc64eb23be7df47d1f995d1f787115fmalita SK_ATTR_EXTERNALLY_DEPRECATED("setDrawFilter use is deprecated") 12528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com virtual SkDrawFilter* setDrawFilter(SkDrawFilter* filter); 12537765000709dc64eb23be7df47d1f995d1f787115fmalita#endif 12548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ////////////////////////////////////////////////////////////////////////// 12558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1256754de5f65b466f721d952a379194cc94de376f42reed@google.com /** 1257754de5f65b466f721d952a379194cc94de376f42reed@google.com * Return true if the current clip is empty (i.e. nothing will draw). 1258754de5f65b466f721d952a379194cc94de376f42reed@google.com * Note: this is not always a free call, so it should not be used 1259754de5f65b466f721d952a379194cc94de376f42reed@google.com * more often than necessary. However, once the canvas has computed this 1260754de5f65b466f721d952a379194cc94de376f42reed@google.com * result, subsequent calls will be cheap (until the clip state changes, 1261754de5f65b466f721d952a379194cc94de376f42reed@google.com * which can happen on any clip..() or restore() call. 1262754de5f65b466f721d952a379194cc94de376f42reed@google.com */ 12638f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com virtual bool isClipEmpty() const; 1264754de5f65b466f721d952a379194cc94de376f42reed@google.com 12655c70cdca5efe541b70d010e91607bf8626ea49cacommit-bot@chromium.org /** 12665c70cdca5efe541b70d010e91607bf8626ea49cacommit-bot@chromium.org * Returns true if the current clip is just a (non-empty) rectangle. 12675c70cdca5efe541b70d010e91607bf8626ea49cacommit-bot@chromium.org * Returns false if the clip is empty, or if it is complex. 12685c70cdca5efe541b70d010e91607bf8626ea49cacommit-bot@chromium.org */ 12695c70cdca5efe541b70d010e91607bf8626ea49cacommit-bot@chromium.org virtual bool isClipRect() const; 12705c70cdca5efe541b70d010e91607bf8626ea49cacommit-bot@chromium.org 12718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Return the current matrix on the canvas. 12728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com This does not account for the translate in any of the devices. 12738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com @return The current matrix on the canvas. 12748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1275a907ac3e3e3458fbb5d673c3feafb31fd7647b38junov@chromium.org const SkMatrix& getTotalMatrix() const; 12768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 127740a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com /** Return the clip stack. The clip stack stores all the individual 127840a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com * clips organized by the save/restore frame in which they were 127940a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com * added. 128040a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com * @return the current clip stack ("list" of individual clip elements) 128140a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com */ 128240a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com const SkClipStack* getClipStack() const { 1283687fa1c745febb57f42b0d5f03d7c1f4be2530careed return fClipStack; 128440a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com } 128540a1ae4df28810aa5aa5cf2627d8387b2dfb867arobertphillips@google.com 1286c3b589a24eb4d567a906189f882c259ecf5c2f58fmalita typedef SkCanvasClipVisitor ClipVisitor; 12875e2457ef2eba0c3f2e4c8fc89be7f36659e4f3b1reed@google.com /** 128890c07ea1d0aa6b7f20252c43fe23ee5ddc1d23cbreed@google.com * Replays the clip operations, back to front, that have been applied to 128990c07ea1d0aa6b7f20252c43fe23ee5ddc1d23cbreed@google.com * the canvas, calling the appropriate method on the visitor for each 129090c07ea1d0aa6b7f20252c43fe23ee5ddc1d23cbreed@google.com * clip. All clips have already been transformed into device space. 12917d7ca79c3e6e6be7b7849b0d9a7fe26effb89c38reed@google.com */ 129290c07ea1d0aa6b7f20252c43fe23ee5ddc1d23cbreed@google.com void replayClips(ClipVisitor*) const; 12938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /////////////////////////////////////////////////////////////////////////// 12958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 129636736a2dae94947e075ac9503d5de7799772a5f7robertphillips // don't call 1297175dd9b5e3d7d749738dac743d2ac360b5340187robertphillips GrDrawContext* internal_private_accessTopLayerDrawContext(); 129836736a2dae94947e075ac9503d5de7799772a5f7robertphillips 129936736a2dae94947e075ac9503d5de7799772a5f7robertphillips // don't call 130036736a2dae94947e075ac9503d5de7799772a5f7robertphillips static void Internal_Private_SetIgnoreSaveLayerBounds(bool); 130136736a2dae94947e075ac9503d5de7799772a5f7robertphillips static bool Internal_Private_GetIgnoreSaveLayerBounds(); 130236736a2dae94947e075ac9503d5de7799772a5f7robertphillips static void Internal_Private_SetTreatSpriteAsBitmap(bool); 130336736a2dae94947e075ac9503d5de7799772a5f7robertphillips static bool Internal_Private_GetTreatSpriteAsBitmap(); 130436736a2dae94947e075ac9503d5de7799772a5f7robertphillips 130536736a2dae94947e075ac9503d5de7799772a5f7robertphillips // TEMP helpers until we switch virtual over to const& for src-rect 130636736a2dae94947e075ac9503d5de7799772a5f7robertphillips void legacy_drawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, 130736736a2dae94947e075ac9503d5de7799772a5f7robertphillips const SkPaint* paint, 130836736a2dae94947e075ac9503d5de7799772a5f7robertphillips SrcRectConstraint constraint = kStrict_SrcRectConstraint); 130936736a2dae94947e075ac9503d5de7799772a5f7robertphillips void legacy_drawBitmapRect(const SkBitmap& bitmap, const SkRect* src, const SkRect& dst, 131036736a2dae94947e075ac9503d5de7799772a5f7robertphillips const SkPaint* paint, 131136736a2dae94947e075ac9503d5de7799772a5f7robertphillips SrcRectConstraint constraint = kStrict_SrcRectConstraint); 131236736a2dae94947e075ac9503d5de7799772a5f7robertphillips 1313cb3bd18a4b787f6281930dbe49e1c430f28a367ctomhudson // expose minimum amount of information necessary for transitional refactoring 1314cb3bd18a4b787f6281930dbe49e1c430f28a367ctomhudson /** 1315cb3bd18a4b787f6281930dbe49e1c430f28a367ctomhudson * Returns CTM and clip bounds, translated from canvas coordinates to top layer coordinates. 1316cb3bd18a4b787f6281930dbe49e1c430f28a367ctomhudson */ 1317cb3bd18a4b787f6281930dbe49e1c430f28a367ctomhudson void temporary_internal_describeTopLayer(SkMatrix* matrix, SkIRect* clip_bounds); 1318cb3bd18a4b787f6281930dbe49e1c430f28a367ctomhudson 1319da2cd8b1d9b9307cb3fbfb28af4139b6dbe31c94robertphillipsprotected: 132095302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#ifdef SK_EXPERIMENTAL_SHADOWING 1321e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack /** Returns the current (cumulative) draw depth of the canvas. 1322e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack */ 1323e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack SkScalar getZ() const; 1324e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack 132595302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack sk_sp<SkLights> fLights; 132695302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#endif 132795302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack 13288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** After calling saveLayer(), there can be any number of devices that make 13298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com up the top-most drawing area. LayerIter can be used to iterate through 13308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com those devices. Note that the iterator is only valid until the next API 13318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com call made on the canvas. Ownership of all pointers in the iterator stays 13328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com with the canvas, so none of them should be modified or deleted. 13338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 133436736a2dae94947e075ac9503d5de7799772a5f7robertphillips class LayerIter /*: SkNoncopyable*/ { 13358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com public: 13368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Initialize iterator with canvas, and set values for 1st device */ 13378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com LayerIter(SkCanvas*, bool skipEmptyClips); 13388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~LayerIter(); 13394b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 13408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Return true if the iterator is done */ 13418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool done() const { return fDone; } 13428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com /** Cycle to the next device */ 13438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void next(); 13444b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 13458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // These reflect the current device in the iterator 13468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13471f2f338e23789f3eef168dcbd8171a28820ba6c1robertphillips@google.com SkBaseDevice* device() const; 13488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkMatrix& matrix() const; 13491e7f5e708e5daeb0c18ae49001c9e3cd5e3b13cbreed const SkRasterClip& clip() const; 13508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com const SkPaint& paint() const; 13518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int x() const; 13528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int y() const; 13534b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 13548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com private: 13558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // used to embed the SkDrawIter object directly in our instance, w/o 13568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // having to expose that class def to the public. There is an assert 13578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // in our constructor to ensure that fStorage is large enough 13588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // (though needs to be a compile-time-assert!). We use intptr_t to work 13598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // safely with 32 and 64 bit machines (to ensure the storage is enough) 1360f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com intptr_t fStorage[32]; 13618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com class SkDrawIter* fImpl; // this points at fStorage 13628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint fDefaultPaint; 13638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool fDone; 13648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com }; 13658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 136676f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com // default impl defers to getDevice()->newSurface(info) 1367e8f3062a36d3682f4019309a32b5b84dc9eddf8creed virtual sk_sp<SkSurface> onNewSurface(const SkImageInfo&, const SkSurfaceProps&); 136876f10a3bd936af7dbe2b5873d5a7eedd73cdc5dareed@google.com 1369c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org // default impl defers to its device 1370884e97cb04db7ed053a866567ee9c6e4c01f993areed virtual bool onPeekPixels(SkPixmap*); 1371884e97cb04db7ed053a866567ee9c6e4c01f993areed virtual bool onAccessTopLayerPixels(SkPixmap*); 1372ea5a6513c05e3d7261b68c3ef7d42645ee5bfe17reed virtual SkImageInfo onImageInfo() const; 1373ea5a6513c05e3d7261b68c3ef7d42645ee5bfe17reed virtual bool onGetProps(SkSurfaceProps*) const; 1374ea5a6513c05e3d7261b68c3ef7d42645ee5bfe17reed virtual void onFlush(); 1375c3bd8af6d5722e854feca70c40d92f4954c5b67bcommit-bot@chromium.org 1376e54a23fcfa42b2fc9d320650de72bcb2d9566b2dcommit-bot@chromium.org // Subclass save/restore notifiers. 1377e54a23fcfa42b2fc9d320650de72bcb2d9566b2dcommit-bot@chromium.org // Overriders should call the corresponding INHERITED method up the inheritance chain. 13784960eeec4a1f2a772654883d7f3615d47bcd5dc3reed // getSaveLayerStrategy()'s return value may suppress full layer allocation. 1379e54a23fcfa42b2fc9d320650de72bcb2d9566b2dcommit-bot@chromium.org enum SaveLayerStrategy { 1380e54a23fcfa42b2fc9d320650de72bcb2d9566b2dcommit-bot@chromium.org kFullLayer_SaveLayerStrategy, 13814960eeec4a1f2a772654883d7f3615d47bcd5dc3reed kNoLayer_SaveLayerStrategy, 1382e54a23fcfa42b2fc9d320650de72bcb2d9566b2dcommit-bot@chromium.org }; 1383e54a23fcfa42b2fc9d320650de72bcb2d9566b2dcommit-bot@chromium.org 13846ca763f362f25500ffeee0cc0b5dd2b58e9f2a79fmalita virtual void willSave() {} 13854960eeec4a1f2a772654883d7f3615d47bcd5dc3reed // Overriders should call the corresponding INHERITED method up the inheritance chain. 13864960eeec4a1f2a772654883d7f3615d47bcd5dc3reed virtual SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec&) { 13874960eeec4a1f2a772654883d7f3615d47bcd5dc3reed return kFullLayer_SaveLayerStrategy; 13884960eeec4a1f2a772654883d7f3615d47bcd5dc3reed } 1389fc6dfbab7565bb02db50f38f21b2c7d6c8f61c5ccommit-bot@chromium.org virtual void willRestore() {} 13906cfa73a29a26edf1d03bca224ad6860396308ffcmtklein virtual void didRestore() {} 1391fc6dfbab7565bb02db50f38f21b2c7d6c8f61c5ccommit-bot@chromium.org virtual void didConcat(const SkMatrix&) {} 1392fc6dfbab7565bb02db50f38f21b2c7d6c8f61c5ccommit-bot@chromium.org virtual void didSetMatrix(const SkMatrix&) {} 139395302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack 139495302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#ifdef SK_EXPERIMENTAL_SHADOWING 1395e5de130788c8637d2f7df9ddb0241b78e04d5882vjiaoblack virtual void didTranslateZ(SkScalar) {} 139695302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#endif 139744c48d062f7996b5b46917e1b312a32ad101f326commit-bot@chromium.org 1398f70b531daaf47db1ee95c70da9843f1dd1f418d3reed virtual void onDrawAnnotation(const SkRect&, const char key[], SkData* value); 1399ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org virtual void onDrawDRRect(const SkRRect&, const SkRRect&, const SkPaint&); 1400ed9806f5c972513d4141c9d1b5a04ab78b3af4cbcommit-bot@chromium.org 1401e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com virtual void onDrawText(const void* text, size_t byteLength, SkScalar x, 1402e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com SkScalar y, const SkPaint& paint); 1403b0430d024572b1a5e5d7b80e406c668e975e3030skia.committer@gmail.com 1404e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com virtual void onDrawPosText(const void* text, size_t byteLength, 1405e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com const SkPoint pos[], const SkPaint& paint); 1406b0430d024572b1a5e5d7b80e406c668e975e3030skia.committer@gmail.com 1407e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com virtual void onDrawPosTextH(const void* text, size_t byteLength, 1408e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com const SkScalar xpos[], SkScalar constY, 1409e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com const SkPaint& paint); 1410b0430d024572b1a5e5d7b80e406c668e975e3030skia.committer@gmail.com 1411e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com virtual void onDrawTextOnPath(const void* text, size_t byteLength, 1412e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com const SkPath& path, const SkMatrix* matrix, 1413e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com const SkPaint& paint); 141445561a0b15fe045ba272c328684c3f7ae290785areed virtual void onDrawTextRSXform(const void* text, size_t byteLength, const SkRSXform[], 141545561a0b15fe045ba272c328684c3f7ae290785areed const SkRect* cullRect, const SkPaint& paint); 14166cfa73a29a26edf1d03bca224ad6860396308ffcmtklein 141700d5c2c6523321d25b32905ff4822f083a4173eefmalita virtual void onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, 141800d5c2c6523321d25b32905ff4822f083a4173eefmalita const SkPaint& paint); 141900d5c2c6523321d25b32905ff4822f083a4173eefmalita 1420b3c9d1c33caf325aada244204215eb790c228c12dandov virtual void onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], 1421b3c9d1c33caf325aada244204215eb790c228c12dandov const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint); 1422e0d9ce890e67d02727ac2811bb456ddb64f827d4reed@google.com 1423a8db72864a43ad1fbba3c2892cf5cd88060a43efreed virtual void onDrawDrawable(SkDrawable*, const SkMatrix*); 14246a070dc06af4e9f305f9d08a69e34d18ade473cbreed 142541af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawPaint(const SkPaint&); 142641af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawRect(const SkRect&, const SkPaint&); 142741af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawOval(const SkRect&, const SkPaint&); 142841af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawRRect(const SkRRect&, const SkPaint&); 142941af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawPoints(PointMode, size_t count, const SkPoint pts[], const SkPaint&); 143041af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawVertices(VertexMode, int vertexCount, const SkPoint vertices[], 143141af966ab338e95eee81ab618ab28195075338f7reed const SkPoint texs[], const SkColor colors[], SkXfermode*, 143241af966ab338e95eee81ab618ab28195075338f7reed const uint16_t indices[], int indexCount, const SkPaint&); 14332766c00fc0b6a07d46e5f74cdad45da2ef625237mtklein 143471c3c760a83123ee0b3127b8c65c6394ce541c50reed virtual void onDrawAtlas(const SkImage*, const SkRSXform[], const SkRect[], const SkColor[], 143571c3c760a83123ee0b3127b8c65c6394ce541c50reed int count, SkXfermode::Mode, const SkRect* cull, const SkPaint*); 143641af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawPath(const SkPath&, const SkPaint&); 143741af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawImage(const SkImage*, SkScalar dx, SkScalar dy, const SkPaint*); 1438562fe4767cc73e08a4e039362bc0336aea66ecfbreed virtual void onDrawImageRect(const SkImage*, const SkRect*, const SkRect&, const SkPaint*, 1439562fe4767cc73e08a4e039362bc0336aea66ecfbreed SrcRectConstraint); 14404c21dc5ddf3b482293ed34eead876d8d61a662c3reed virtual void onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst, 14414c21dc5ddf3b482293ed34eead876d8d61a662c3reed const SkPaint*); 14424c21dc5ddf3b482293ed34eead876d8d61a662c3reed 144341af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawBitmap(const SkBitmap&, SkScalar dx, SkScalar dy, const SkPaint*); 144441af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawBitmapRect(const SkBitmap&, const SkRect*, const SkRect&, const SkPaint*, 1445562fe4767cc73e08a4e039362bc0336aea66ecfbreed SrcRectConstraint); 144641af966ab338e95eee81ab618ab28195075338f7reed virtual void onDrawBitmapNine(const SkBitmap&, const SkIRect& center, const SkRect& dst, 144741af966ab338e95eee81ab618ab28195075338f7reed const SkPaint*); 1448c573a40ed5024b463e47088d307e3164a486dba5msarett virtual void onDrawImageLattice(const SkImage*, const Lattice& lattice, const SkRect& dst, 1449c573a40ed5024b463e47088d307e3164a486dba5msarett const SkPaint*); 145041af966ab338e95eee81ab618ab28195075338f7reed 14518f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com enum ClipEdgeStyle { 14528f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com kHard_ClipEdgeStyle, 14538f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com kSoft_ClipEdgeStyle 14548f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com }; 14558f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com 14568f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com virtual void onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle); 14578f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com virtual void onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle); 14588f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com virtual void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle); 14598f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com virtual void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op); 14608f90a892c5130d4d26b5588e1ff151d01a40688arobertphillips@google.com 146128361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org virtual void onDiscard(); 146228361fad1054d59ed4e6a320c7a8b8782a1487c7commit-bot@chromium.org 1463d5fa1a455aad61f3e99081fe7a9b065cb3b115c6reed virtual void onDrawPicture(const SkPicture*, const SkMatrix*, const SkPaint*); 14649b14f26d0f3a974f3dd626c8354e1db1cfcd322frobertphillips 146595302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#ifdef SK_EXPERIMENTAL_SHADOWING 146695302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack virtual void onDrawShadowedPicture(const SkPicture*, 146795302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack const SkMatrix*, 146895302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack const SkPaint*); 146995302da19d8b0a3bcd9d9be0e79f486760787f09vjiaoblack#endif 14705bfee98c8cf59db8d71aa6672088b107f0abf8c9vjiaoblack 147174b461961607fa57a150a9282c410ef0cab38764vandebo@chromium.org // Returns the canvas to be used by DrawIter. Default implementation 14724370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com // returns this. Subclasses that encapsulate an indirect canvas may 14734370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com // need to overload this method. The impl must keep track of this, as it 14744370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com // is not released or deleted by the caller. 14754370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com virtual SkCanvas* canvasForDrawIter(); 14764370aedf7f55af74e9ebb4ad1c2e010c08236dfajunov@google.com 1477a907ac3e3e3458fbb5d673c3feafb31fd7647b38junov@chromium.org // Clip rectangle bounds. Called internally by saveLayer. 1478a907ac3e3e3458fbb5d673c3feafb31fd7647b38junov@chromium.org // returns false if the entire rectangle is entirely clipped out 1479c4b12f19a46946e1c02f3525e0ea4902b09feac5senorblanco@chromium.org // If non-NULL, The imageFilter parameter will be used to expand the clip 1480c4b12f19a46946e1c02f3525e0ea4902b09feac5senorblanco@chromium.org // and offscreen bounds for any margin required by the filter DAG. 14814960eeec4a1f2a772654883d7f3615d47bcd5dc3reed bool clipRectBounds(const SkRect* bounds, SaveLayerFlags, SkIRect* intersection, 1482c4b12f19a46946e1c02f3525e0ea4902b09feac5senorblanco@chromium.org const SkImageFilter* imageFilter = NULL); 1483a907ac3e3e3458fbb5d673c3feafb31fd7647b38junov@chromium.org 1484c83a29759a5c2966da5ab973e4fd90763e4c962breedprivate: 14854960eeec4a1f2a772654883d7f3615d47bcd5dc3reed static bool BoundsAffectsClip(SaveLayerFlags); 1486bada1885da479d948f065182d6dfa85a1140bda5reed static SaveLayerFlags LegacySaveFlagsToSaveLayerFlags(uint32_t legacySaveFlags); 14874960eeec4a1f2a772654883d7f3615d47bcd5dc3reed 1488a2217ef965e57fdbbf989989e7ec1f2c04f62d39reed static void DrawDeviceWithFilter(SkBaseDevice* src, const SkImageFilter* filter, 1489a2217ef965e57fdbbf989989e7ec1f2c04f62d39reed SkBaseDevice* dst, const SkMatrix& ctm, 1490a2217ef965e57fdbbf989989e7ec1f2c04f62d39reed const SkClipStack* clipStack); 1491a2217ef965e57fdbbf989989e7ec1f2c04f62d39reed 1492c83a29759a5c2966da5ab973e4fd90763e4c962breed enum ShaderOverrideOpacity { 1493c83a29759a5c2966da5ab973e4fd90763e4c962breed kNone_ShaderOverrideOpacity, //!< there is no overriding shader (bitmap or image) 1494c83a29759a5c2966da5ab973e4fd90763e4c962breed kOpaque_ShaderOverrideOpacity, //!< the overriding shader is opaque 1495c83a29759a5c2966da5ab973e4fd90763e4c962breed kNotOpaque_ShaderOverrideOpacity, //!< the overriding shader may not be opaque 1496c83a29759a5c2966da5ab973e4fd90763e4c962breed }; 1497c83a29759a5c2966da5ab973e4fd90763e4c962breed 149897af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com // notify our surface (if we have one) that we are about to draw, so it 149997af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com // can perform copy-on-write or invalidate any cached images 1500c83a29759a5c2966da5ab973e4fd90763e4c962breed void predrawNotify(bool willOverwritesEntireSurface = false); 1501c83a29759a5c2966da5ab973e4fd90763e4c962breed void predrawNotify(const SkRect* rect, const SkPaint* paint, ShaderOverrideOpacity); 1502c83a29759a5c2966da5ab973e4fd90763e4c962breed void predrawNotify(const SkRect* rect, const SkPaint* paint, bool shaderOverrideIsOpaque) { 1503c83a29759a5c2966da5ab973e4fd90763e4c962breed this->predrawNotify(rect, paint, shaderOverrideIsOpaque ? kOpaque_ShaderOverrideOpacity 1504c83a29759a5c2966da5ab973e4fd90763e4c962breed : kNotOpaque_ShaderOverrideOpacity); 1505c83a29759a5c2966da5ab973e4fd90763e4c962breed } 150697af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com 15078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com class MCRec; 15088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1509687fa1c745febb57f42b0d5f03d7c1f4be2530careed SkAutoTUnref<SkClipStack> fClipStack; 15108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkDeque fMCStack; 15118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // points to top of stack 15128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com MCRec* fMCRec; 15138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // the first N recs that can fit here mean we won't call malloc 1514b679ca8926a832274b14fdb512f88f64b61d32eareed enum { 1515a499f905e9340e4935447f2562fd92e8853382b1reed kMCRecSize = 128, // most recent measurement 151631b80a9dc60ae5411ad6abd10269c4f88c635ec2reed kMCRecCount = 32, // common depth for save/restores 15178c30a8196dd5903d2d23b4d0a5dc888e802bf698reed kDeviceCMSize = 176, // most recent measurement 1518b679ca8926a832274b14fdb512f88f64b61d32eareed }; 1519b679ca8926a832274b14fdb512f88f64b61d32eareed intptr_t fMCRecStorage[kMCRecSize * kMCRecCount / sizeof(intptr_t)]; 1520a499f905e9340e4935447f2562fd92e8853382b1reed intptr_t fDeviceCMStorage[kDeviceCMSize / sizeof(intptr_t)]; 15218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15224a8126e7f81384526629b1e21bf89b632ea13cd9reed const SkSurfaceProps fProps; 15234a8126e7f81384526629b1e21bf89b632ea13cd9reed 15242ff1fcede1e9525285c5de1f35fb2dcb0fab32bdreed int fSaveCount; // value returned by getSaveCount() 15258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 152674bb77ee4c747b8c70c5c613987c9f93df71df06mike@reedtribe.org SkMetaData* fMetaData; 152774bb77ee4c747b8c70c5c613987c9f93df71df06mike@reedtribe.org 152897af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com SkSurface_Base* fSurfaceBase; 152997af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com SkSurface_Base* getSurfaceBase() const { return fSurfaceBase; } 153097af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com void setSurfaceBase(SkSurface_Base* sb) { 153197af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com fSurfaceBase = sb; 153297af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com } 153397af1a64ae6bdddd346d8babfd9f188279dd6644reed@google.com friend class SkSurface_Base; 153445c3db827d5bcb7c08bf49eff035be667332ec05junov@chromium.org friend class SkSurface_Gpu; 1535fc84359aa920567e72742877a1249f52d076ad35skia.committer@gmail.com 15368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bool fDeviceCMDirty; // cleared by updateDeviceCMCache() 15378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void updateDeviceCMCache(); 15388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 15392ff1fcede1e9525285c5de1f35fb2dcb0fab32bdreed void doSave(); 15402ff1fcede1e9525285c5de1f35fb2dcb0fab32bdreed void checkForDeferredSave(); 15418c30a8196dd5903d2d23b4d0a5dc888e802bf698reed void internalSetMatrix(const SkMatrix&); 15422ff1fcede1e9525285c5de1f35fb2dcb0fab32bdreed 1543da2cd8b1d9b9307cb3fbfb28af4139b6dbe31c94robertphillips friend class CanvasTestingAccess; // for testing 15449c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com friend class SkDrawIter; // needs setupDrawForLayerDevice() 15458926b169f6a0dfa4c2129a98ec2aee205f0c8527reed@google.com friend class AutoDrawLooper; 15469c135db83d198e7d8200027c7d2cf60f38517ee3reed@google.com friend class SkLua; // needs top layer size and offset 15472a67e123a3e559774a16a58cbe5106bc0fb86740commit-bot@chromium.org friend class SkDebugCanvas; // needs experimental fAllowSimplifyClip 154852d9ac6c92ddf33b3b05eb77ba9509a7aa441657reed friend class SkSurface_Raster; // needs getDevice() 1549d954498c01ccf0417feacf89e45d0c62a06a813breed friend class SkRecorder; // InitFlags 15509c5052f16b249d2b7674ea86bd24ed0038ccc61fmtklein friend class SkLiteRecorder; // InitFlags 1551d954498c01ccf0417feacf89e45d0c62a06a813breed friend class SkNoSaveLayerCanvas; // InitFlags 15522d97bc139a7de5813468bd3dbfd0037351ae5606fmalita friend class SkPictureImageFilter; // SkCanvas(SkBaseDevice*, SkSurfaceProps*, InitFlags) 1553c83a29759a5c2966da5ab973e4fd90763e4c962breed friend class SkPictureRecord; // predrawNotify (why does it need it? <reed>) 15544960eeec4a1f2a772654883d7f3615d47bcd5dc3reed friend class SkPicturePlayback; // SaveFlagsToSaveLayerFlags 1555b5fae93d72c7b6480f83fd8a7b534cd1fdfcd49apiotaixr 1556d954498c01ccf0417feacf89e45d0c62a06a813breed enum InitFlags { 1557d954498c01ccf0417feacf89e45d0c62a06a813breed kDefault_InitFlags = 0, 1558d954498c01ccf0417feacf89e45d0c62a06a813breed kConservativeRasterClip_InitFlag = 1 << 0, 1559d954498c01ccf0417feacf89e45d0c62a06a813breed }; 156078e276889795454891cbba48ab11927968114953reed SkCanvas(const SkIRect& bounds, InitFlags); 1561fcf7829b67b798aff4c41c4688daa9c7381991e6robertphillips SkCanvas(SkBaseDevice* device, InitFlags); 1562d954498c01ccf0417feacf89e45d0c62a06a813breed 1563feaadee1c38e1d4e1ec0069a3509ef6fbc5fbeffmtklein void resetForNextPicture(const SkIRect& bounds); 1564feaadee1c38e1d4e1ec0069a3509ef6fbc5fbeffmtklein 15658f2e791baa1287bd321217c88756695c41699a7ereed // needs gettotalclip() 1566a5414c4a8efc3119ee20fcee96c0bf68a04909c7tfarina friend class SkCanvasStateUtils; 1567b5fae93d72c7b6480f83fd8a7b534cd1fdfcd49apiotaixr 15684a8126e7f81384526629b1e21bf89b632ea13cd9reed // call this each time we attach ourselves to a device 15694a8126e7f81384526629b1e21bf89b632ea13cd9reed // - constructor 15704a8126e7f81384526629b1e21bf89b632ea13cd9reed // - internalSaveLayer 15714a8126e7f81384526629b1e21bf89b632ea13cd9reed void setupDevice(SkBaseDevice*); 15724a8126e7f81384526629b1e21bf89b632ea13cd9reed 1573d954498c01ccf0417feacf89e45d0c62a06a813breed SkBaseDevice* init(SkBaseDevice*, InitFlags); 1574f0b5e1190af9807a027c0adba2f1380663c8e910reed@google.com 1575403f8d7a052269583175e945689824838e5e0ef4commit-bot@chromium.org /** 1576afc7cce5d68663934128d76963cd501f771d71desenorblanco * Gets the bounds of the top level layer in global canvas coordinates. We don't want this 15774ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com * to be public because it exposes decisions about layer sizes that are internal to the canvas. 15784ebe3821888d550d8a8b89341ec251ba942f0225bsalomon@google.com */ 1579afc7cce5d68663934128d76963cd501f771d71desenorblanco SkIRect getTopLayerBounds() const; 1580403f8d7a052269583175e945689824838e5e0ef4commit-bot@chromium.org 15817112173c3c4cd1b1e7da8cdf971d71f01dd91299reed@google.com void internalDrawBitmapRect(const SkBitmap& bitmap, const SkRect* src, 1582eed779d866e1e239bfb9ebc6a225b7345a41adf9commit-bot@chromium.org const SkRect& dst, const SkPaint* paint, 1583a5517e2b190a8083b38964972b031c13e99f1012reed SrcRectConstraint); 1584fa6ac938e64fe11b442d05fe8a90ddac2d1951f9bsalomon@google.com void internalDrawPaint(const SkPaint& paint); 15854960eeec4a1f2a772654883d7f3615d47bcd5dc3reed void internalSaveLayer(const SaveLayerRec&, SaveLayerStrategy); 15867503d60847c4ad22df87458aecd917772b23d293reed void internalDrawDevice(SkBaseDevice*, int x, int y, const SkPaint*); 1587fa6ac938e64fe11b442d05fe8a90ddac2d1951f9bsalomon@google.com 15888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // shared by save() and saveLayer() 15892ff1fcede1e9525285c5de1f35fb2dcb0fab32bdreed void internalSave(); 15908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com void internalRestore(); 159152c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com static void DrawRect(const SkDraw& draw, const SkPaint& paint, 159252c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com const SkRect& r, SkScalar textSize); 159352c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com static void DrawTextDecorations(const SkDraw& draw, const SkPaint& paint, 159452c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com const char text[], size_t byteLength, 159552c748b1691f02f90b27c35bc05074fcef709e66bungeman@google.com SkScalar x, SkScalar y); 15964b226023832011bc3bcdd1e5092ff0645ad0bdeereed@google.com 1597fa35f8e6ebc9d98d57d2edc35e4a83556eb75caereed // only for canvasutils 1598fa35f8e6ebc9d98d57d2edc35e4a83556eb75caereed const SkRegion& internal_private_getTotalClip() const; 1599fa35f8e6ebc9d98d57d2edc35e4a83556eb75caereed 1600c83a29759a5c2966da5ab973e4fd90763e4c962breed /* 1601c83a29759a5c2966da5ab973e4fd90763e4c962breed * Returns true if drawing the specified rect (or all if it is null) with the specified 1602c83a29759a5c2966da5ab973e4fd90763e4c962breed * paint (or default if null) would overwrite the entire root device of the canvas 1603c83a29759a5c2966da5ab973e4fd90763e4c962breed * (i.e. the canvas' surface if it had one). 1604c83a29759a5c2966da5ab973e4fd90763e4c962breed */ 1605c83a29759a5c2966da5ab973e4fd90763e4c962breed bool wouldOverwriteEntireSurface(const SkRect*, const SkPaint*, ShaderOverrideOpacity) const; 1606c83a29759a5c2966da5ab973e4fd90763e4c962breed 1607262a71b7f95ce98ff3dd8dba845afbd724470903reed /** 1608262a71b7f95ce98ff3dd8dba845afbd724470903reed * Returns true if the paint's imagefilter can be invoked directly, without needed a layer. 1609262a71b7f95ce98ff3dd8dba845afbd724470903reed */ 1610262a71b7f95ce98ff3dd8dba845afbd724470903reed bool canDrawBitmapAsSprite(SkScalar x, SkScalar y, int w, int h, const SkPaint&); 1611c83a29759a5c2966da5ab973e4fd90763e4c962breed 1612fbfa25802709139c2f14e304319c9541da65ca27msarett 1613fbfa25802709139c2f14e304319c9541da65ca27msarett /** 1614fbfa25802709139c2f14e304319c9541da65ca27msarett * Keep track of the device clip bounds and if the matrix is scale-translate. This allows 1615fbfa25802709139c2f14e304319c9541da65ca27msarett * us to do a fast quick reject in the common case. 16168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com */ 1617fbfa25802709139c2f14e304319c9541da65ca27msarett bool fConservativeIsScaleTranslate; 1618fbfa25802709139c2f14e304319c9541da65ca27msarett SkRect fDeviceClipBounds; 1619fbfa25802709139c2f14e304319c9541da65ca27msarett 16208f0a7b8e7334187a5d7d5ab7fde5a3c3009555f5caryclark@google.com bool fAllowSoftClip; 162145a75fb4d0ca5daa0ac5e634238970306e3b5838caryclark@google.com bool fAllowSimplifyClip; 162242b73eb00367c8315974b1c374308d20efa78897reed const bool fConservativeRasterClip; 16238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16245c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com class AutoValidateClip : ::SkNoncopyable { 16255c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com public: 16265c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com explicit AutoValidateClip(SkCanvas* canvas) : fCanvas(canvas) { 16275c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com fCanvas->validateClip(); 16285c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com } 16295c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com ~AutoValidateClip() { fCanvas->validateClip(); } 16305c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com 16315c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com private: 16325c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com const SkCanvas* fCanvas; 16335c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com }; 16345c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com 16355c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com#ifdef SK_DEBUG 16365c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com void validateClip() const; 16375c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com#else 16385c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com void validateClip() const {} 16395c3d1471e4908706cd053a5e2ea9ded3a6c2eaebreed@google.com#endif 164015e9d3e66e161ce23df30bc13f8a0c87d196b463robertphillips@google.com 164115e9d3e66e161ce23df30bc13f8a0c87d196b463robertphillips@google.com typedef SkRefCnt INHERITED; 16428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 16438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com/** Stack helper class to automatically call restoreToCount() on the canvas 16458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com when this object goes out of scope. Use this to guarantee that the canvas 16468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com is restored to a known state. 16478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com*/ 16488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comclass SkAutoCanvasRestore : SkNoncopyable { 16498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 16502887119a63e314704673b971e9bc9a3461313a2ccommit-bot@chromium.org SkAutoCanvasRestore(SkCanvas* canvas, bool doSave) : fCanvas(canvas), fSaveCount(0) { 16512887119a63e314704673b971e9bc9a3461313a2ccommit-bot@chromium.org if (fCanvas) { 16522887119a63e314704673b971e9bc9a3461313a2ccommit-bot@chromium.org fSaveCount = canvas->getSaveCount(); 16532887119a63e314704673b971e9bc9a3461313a2ccommit-bot@chromium.org if (doSave) { 16542887119a63e314704673b971e9bc9a3461313a2ccommit-bot@chromium.org canvas->save(); 16552887119a63e314704673b971e9bc9a3461313a2ccommit-bot@chromium.org } 16568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com ~SkAutoCanvasRestore() { 1659f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com if (fCanvas) { 1660f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com fCanvas->restoreToCount(fSaveCount); 1661f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com } 1662f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com } 1663f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com 1664f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com /** 1665f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com * Perform the restore now, instead of waiting for the destructor. Will 1666f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com * only do this once. 1667f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com */ 1668f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com void restore() { 1669f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com if (fCanvas) { 1670f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com fCanvas->restoreToCount(fSaveCount); 1671f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com fCanvas = NULL; 1672f6c9a5ba5cded8d4f663b13e71e6e1e572322b41reed@google.com } 16738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 16748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 16758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 16768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas* fCanvas; 16778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com int fSaveCount; 16788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 1679e61a86cfa00ea393ecc4a71fca94e1d476a37ecccommit-bot@chromium.org#define SkAutoCanvasRestore(...) SK_REQUIRE_LOCAL_VAR(SkAutoCanvasRestore) 16808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1681c3b589a24eb4d567a906189f882c259ecf5c2f58fmalitaclass SkCanvasClipVisitor { 1682c3b589a24eb4d567a906189f882c259ecf5c2f58fmalitapublic: 1683c3b589a24eb4d567a906189f882c259ecf5c2f58fmalita virtual ~SkCanvasClipVisitor(); 1684c3b589a24eb4d567a906189f882c259ecf5c2f58fmalita virtual void clipRect(const SkRect&, SkRegion::Op, bool antialias) = 0; 1685c3b589a24eb4d567a906189f882c259ecf5c2f58fmalita virtual void clipRRect(const SkRRect&, SkRegion::Op, bool antialias) = 0; 1686c3b589a24eb4d567a906189f882c259ecf5c2f58fmalita virtual void clipPath(const SkPath&, SkRegion::Op, bool antialias) = 0; 1687c3b589a24eb4d567a906189f882c259ecf5c2f58fmalita}; 16882a5cd60bfff32c92cf44a8cfc3e8c017b9aee456commit-bot@chromium.org 16898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#endif 1690