SampleTiling.cpp revision ec3ed6a5ebf6f2c406d7bcf94b6bc34fcaeb976e
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" 248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com#include "SkBlurDrawLooper.h" 258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void makebm(SkBitmap* bm, SkBitmap::Config config, int w, int h) { 278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm->setConfig(config, w, h); 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm->allocPixels(); 298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm->eraseColor(0); 308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.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; 368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.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(); 548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint->setFilterBitmap(filter); 558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const SkBitmap::Config gConfigs[] = { 588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap::kARGB_8888_Config, 598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap::kRGB_565_Config, 608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap::kARGB_4444_Config 618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const int gWidth = 32; 638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const int gHeight = 32; 648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 65f21833999d90ad9c8c584cff3238797b39cfc00breed@google.comclass TilingView : public SampleView { 66f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkPicture fTextPicture; 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlurDrawLooper fLooper; 688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com TilingView() 708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com : fLooper(SkIntToScalar(1), SkIntToScalar(2), SkIntToScalar(2), 718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 0x88000000) { 7264cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) { 738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com makebm(&fTexture[i], gConfigs[i], gWidth, gHeight); 748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap fTexture[SK_ARRAY_COUNT(gConfigs)]; 788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 798a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 808a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overrides from SkEventSink 818a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com virtual bool onQuery(SkEvent* evt) { 828a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SampleCode::TitleQ(*evt)) { 838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SampleCode::TitleR(evt, "Tiling"); 848a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->INHERITED::onQuery(evt); 878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 89f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com virtual void onDrawContent(SkCanvas* canvas) { 908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r = { 0, 0, SkIntToScalar(gWidth*2), SkIntToScalar(gHeight*2) }; 918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gConfigNames[] = { "8888", "565", "4444" }; 938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 948a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const bool gFilters[] = { false, true }; 958a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gFilterNames[] = { "point", "bilinear" }; 968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode }; 988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gModeNames[] = { "C", "R", "M" }; 998a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar y = SkIntToScalar(24); 1018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x = SkIntToScalar(10); 1028a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 103f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkCanvas* textCanvas = NULL; 104f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (fTextPicture.width() == 0) { 105f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas = fTextPicture.beginRecording(1000, 1000); 106f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 107f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 108f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (textCanvas) { 10964cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 11064cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 111f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkPaint p; 112f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkString str; 113f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setAntiAlias(true); 114f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setDither(true); 115f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setLooper(&fLooper); 116f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]); 117f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 118f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setTextAlign(SkPaint::kCenter_Align); 119f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p); 120f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 121f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com x += r.width() * 4 / 3; 122f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 1238a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1248a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1258a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1268a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += SkIntToScalar(16); 1278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 12864cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) { 12964cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) { 1308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = SkIntToScalar(10); 13164cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 13264cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 1338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 1348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]); 1358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setDither(true); 1368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1378a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->save(); 1388a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->translate(x, y); 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawRect(r, paint); 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->restore(); 1418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += r.width() * 4 / 3; 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 145f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (textCanvas) { 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p; 1478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkString str; 1488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setAntiAlias(true); 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setLooper(&fLooper); 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com str.printf("%s, %s", gConfigNames[i], gFilterNames[j]); 151f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p); 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += r.height() * 4 / 3; 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 157f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 158f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com canvas->drawPicture(fTextPicture); 1598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 162f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com typedef SampleView INHERITED; 1638a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 1648a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 1668a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkView* MyFactory() { return new TilingView; } 1688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkViewRegister reg(MyFactory); 1698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 170