SampleTiling.cpp revision 28fcae2ec77eb16a79e155f8d788b20457f1c951
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" 138a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkRegion.h" 148a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkShader.h" 158a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUtils.h" 168a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorPriv.h" 178a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkColorFilter.h" 18f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com#include "SkPicture.h" 198a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkTypeface.h" 208a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 218a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// effects 228a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkGradientShader.h" 238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkUnitMappers.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 37ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com SkUnitMapper* um = NULL; 388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com um = new SkCosineMapper; 408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// um = new SkDiscreteMapper(12); 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoUnref au(um); 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setDither(true); 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos, 468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode, um))->unref(); 478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas.drawPaint(paint); 488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void setup(SkPaint* paint, const SkBitmap& bm, bool filter, 518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader::TileMode tmx, SkShader::TileMode tmy) { 528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = SkShader::CreateBitmapShader(bm, tmx, tmy); 538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint->setShader(shader)->unref(); 544469938e92d779dff05e745559e67907bbf21e78reed@google.com paint->setFilterLevel(filter ? SkPaint::kLow_FilterLevel : SkPaint::kNone_FilterLevel); 558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 57a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.orgstatic const SkColorType gColorTypes[] = { 5828fcae2ec77eb16a79e155f8d788b20457f1c951commit-bot@chromium.org kN32_SkColorType, 59a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org kRGB_565_SkColorType, 608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const int gWidth = 32; 628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const int gHeight = 32; 638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 64f21833999d90ad9c8c584cff3238797b39cfc00breed@google.comclass TilingView : public SampleView { 65f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com SkPicture* fTextPicture; 668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlurDrawLooper fLooper; 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 68ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com TilingView() 69b3ec29d2d81ae391e433fbdf8aabc791e426ee38skia.committer@gmail.com : fLooper(0x88000000, 70b7061176c7f414616fe2e79e832b3e0abe326af6robertphillips@google.com SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(1)), 71b7061176c7f414616fe2e79e832b3e0abe326af6robertphillips@google.com SkIntToScalar(2), SkIntToScalar(2)) { 72f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com fTextPicture = new SkPicture(); 73a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) { 74a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org makebm(&fTexture[i], gColorTypes[i], gWidth, gHeight); 758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 78f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com ~TilingView() { 79f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com fTextPicture->unref(); 80f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com } 81f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com 82a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org SkBitmap fTexture[SK_ARRAY_COUNT(gColorTypes)]; 83ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overrides from SkEventSink 868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com virtual bool onQuery(SkEvent* evt) { 878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SampleCode::TitleQ(*evt)) { 888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SampleCode::TitleR(evt, "Tiling"); 898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->INHERITED::onQuery(evt); 928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 93ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 94f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com virtual void onDrawContent(SkCanvas* canvas) { 958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r = { 0, 0, SkIntToScalar(gWidth*2), SkIntToScalar(gHeight*2) }; 968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gConfigNames[] = { "8888", "565", "4444" }; 98ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const bool gFilters[] = { false, true }; 1008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gFilterNames[] = { "point", "bilinear" }; 101ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode }; 1038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gModeNames[] = { "C", "R", "M" }; 1048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar y = SkIntToScalar(24); 1068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x = SkIntToScalar(10); 1078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 108f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkCanvas* textCanvas = NULL; 109f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com if (fTextPicture->width() == 0) { 110f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com textCanvas = fTextPicture->beginRecording(1000, 1000); 111f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 112f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 113f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (textCanvas) { 11464cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 11564cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 116f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkPaint p; 117f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkString str; 118f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setAntiAlias(true); 119f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setDither(true); 120f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setLooper(&fLooper); 121f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]); 122f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 123f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setTextAlign(SkPaint::kCenter_Align); 124f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p); 125ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 126f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com x += r.width() * 4 / 3; 127f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 1288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 130ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1318a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += SkIntToScalar(16); 1328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 133a8c183125f2861067daf432cada06d431a795cd0commit-bot@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gColorTypes); i++) { 13464cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) { 1358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = SkIntToScalar(10); 13664cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 13764cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 1388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]); 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setDither(true); 141ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->save(); 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->translate(x, y); 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawRect(r, paint); 1458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->restore(); 146ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += r.width() * 4 / 3; 1488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 150f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (textCanvas) { 1518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p; 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkString str; 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setAntiAlias(true); 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setLooper(&fLooper); 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com str.printf("%s, %s", gConfigNames[i], gFilterNames[j]); 156f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p); 1578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += r.height() * 4 / 3; 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 162f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 163f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com canvas->drawPicture(*fTextPicture); 1648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 165ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 167f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com typedef SampleView INHERITED; 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 1698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 1718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkView* MyFactory() { return new TilingView; } 1738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkViewRegister reg(MyFactory); 174