1ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com 2ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com/* 3ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Copyright 2011 Google Inc. 4ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * 5ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * Use of this source code is governed by a BSD-style license that can be 6ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com * found in the LICENSE file. 7ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976eepoger@google.com */ 88a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SampleCode.h" 98a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkView.h" 108a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkCanvas.h" 118a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPaint.h" 128a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkPath.h" 13770963f23f4fc313db0fa3bac18b1b8aafb55f17robertphillips@google.com#include "SkPictureRecorder.h" 148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 188a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorFilter.h" 19f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com#include "SkPicture.h" 208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkTypeface.h" 218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// effects 238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGradientShader.h" 24b7061176c7f414616fe2e79e832b3e0abe326af6robertphillips@google.com#include "SkBlurMask.h" 258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlurDrawLooper.h" 268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 27a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.orgstatic void makebm(SkBitmap* bm, SkColorType ct, int w, int h) { 28a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org bm->allocPixels(SkImageInfo::Make(w, h, ct, kPremul_SkAlphaType)); 29dbfac8a72393eaf01670aeb3244de0e18d8faf98junov@google.com bm->eraseColor(SK_ColorTRANSPARENT); 30ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas canvas(*bm); 3264cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(w), SkIntToScalar(h) } }; 338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE }; 348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; 358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 36ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setDither(true); 388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos, 3983f23d87f1d67e6e73873e1ef7cda621c43703a0commit-bot@chromium.org SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode))->unref(); 408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas.drawPaint(paint); 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void setup(SkPaint* paint, const SkBitmap& bm, bool filter, 448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader::TileMode tmx, SkShader::TileMode tmy) { 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = SkShader::CreateBitmapShader(bm, tmx, tmy); 468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint->setShader(shader)->unref(); 474469938e92d779dff05e745559e67907bbf21e78reed@google.com paint->setFilterLevel(filter ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel); 488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 50a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.orgstatic const SkColorType gColorTypes[] = { 5128fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org kN32_SkColorType, 52a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org kRGB_565_SkColorType, 538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const int gWidth = 32; 558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const int gHeight = 32; 568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 57f21833999d90ad9c8c584cff3238797b39cfc00breed@google.comclass TilingView : public SampleView { 5873cb15351f33459e0c861a96135c634dec77ef9dcommit-bot@chromium.org SkAutoTUnref<SkPicture> fTextPicture; 5973cb15351f33459e0c861a96135c634dec77ef9dcommit-bot@chromium.org SkAutoTUnref<SkBlurDrawLooper> fLooper; 608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 61ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com TilingView() 6273cb15351f33459e0c861a96135c634dec77ef9dcommit-bot@chromium.org : fLooper(SkBlurDrawLooper::Create(0x88000000, 6373cb15351f33459e0c861a96135c634dec77ef9dcommit-bot@chromium.org SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(1)), 6473cb15351f33459e0c861a96135c634dec77ef9dcommit-bot@chromium.org SkIntToScalar(2), SkIntToScalar(2))) { 65a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) { 66a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org makebm(&fTexture[i], gColorTypes[i], gWidth, gHeight); 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 7084b18c7e3e042bf206e1ace3d1b6ea5bb929fe51robertphillips@google.com virtual ~TilingView() { 71f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com } 72f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com 73a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org SkBitmap fTexture[SK_ARRAY_COUNT(gColorTypes)]; 74ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overrides from SkEventSink 778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com virtual bool onQuery(SkEvent* evt) { 788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SampleCode::TitleQ(*evt)) { 798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SampleCode::TitleR(evt, "Tiling"); 808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->INHERITED::onQuery(evt); 838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 84ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 85f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com virtual void onDrawContent(SkCanvas* canvas) { 868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r = { 0, 0, SkIntToScalar(gWidth*2), SkIntToScalar(gHeight*2) }; 878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gConfigNames[] = { "8888", "565", "4444" }; 89ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const bool gFilters[] = { false, true }; 918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gFilterNames[] = { "point", "bilinear" }; 92ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode }; 948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gModeNames[] = { "C", "R", "M" }; 958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar y = SkIntToScalar(24); 978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x = SkIntToScalar(10); 988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 9984b18c7e3e042bf206e1ace3d1b6ea5bb929fe51robertphillips@google.com SkPictureRecorder recorder; 100f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkCanvas* textCanvas = NULL; 1010dd01ee5b5abc06935dced8430d5290c6ac3f958commit-bot@chromium.org if (NULL == fTextPicture) { 1025fb2ce38b3dcb8e60e9e112df23c9d42456d7069commit-bot@chromium.org textCanvas = recorder.beginRecording(1000, 1000, NULL, 0); 103f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 104f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 10584b18c7e3e042bf206e1ace3d1b6ea5bb929fe51robertphillips@google.com if (NULL != textCanvas) { 10664cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 10764cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 108f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkPaint p; 109f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkString str; 110f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setAntiAlias(true); 111f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setDither(true); 11273cb15351f33459e0c861a96135c634dec77ef9dcommit-bot@chromium.org p.setLooper(fLooper); 113f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]); 114f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 115f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setTextAlign(SkPaint::kCenter_Align); 116f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p); 117ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 118f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com x += r.width() * 4 / 3; 119f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 1208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 122ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += SkIntToScalar(16); 1248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 125a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) { 12664cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) { 1278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = SkIntToScalar(10); 12864cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 12964cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 1308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 1318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]); 1328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setDither(true); 133ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->save(); 1358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->translate(x, y); 1368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawRect(r, paint); 1378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->restore(); 138ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += r.width() * 4 / 3; 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1420dd01ee5b5abc06935dced8430d5290c6ac3f958commit-bot@chromium.org if (NULL != textCanvas) { 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p; 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkString str; 1458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setAntiAlias(true); 14673cb15351f33459e0c861a96135c634dec77ef9dcommit-bot@chromium.org p.setLooper(fLooper); 1478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com str.printf("%s, %s", gConfigNames[i], gFilterNames[j]); 148f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p); 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += r.height() * 4 / 3; 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 154f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 1550dd01ee5b5abc06935dced8430d5290c6ac3f958commit-bot@chromium.org if (NULL != textCanvas) { 1560dd01ee5b5abc06935dced8430d5290c6ac3f958commit-bot@chromium.org SkASSERT(NULL == fTextPicture); 1570dd01ee5b5abc06935dced8430d5290c6ac3f958commit-bot@chromium.org fTextPicture.reset(recorder.endRecording()); 1580dd01ee5b5abc06935dced8430d5290c6ac3f958commit-bot@chromium.org } 15984b18c7e3e042bf206e1ace3d1b6ea5bb929fe51robertphillips@google.com 1600dd01ee5b5abc06935dced8430d5290c6ac3f958commit-bot@chromium.org SkASSERT(NULL != fTextPicture); 1619b14f26d0f3a974f3dd626c8354e1db1cfcd322frobertphillips canvas->drawPicture(fTextPicture); 1628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 163ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 165f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com typedef SampleView INHERITED; 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 1678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 1698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkView* MyFactory() { return new TilingView; } 1718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkViewRegister reg(MyFactory); 172