SampleTiling.cpp revision b7061176c7f414616fe2e79e832b3e0abe326af6
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 278a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void makebm(SkBitmap* bm, SkBitmap::Config config, int w, int h) { 288a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm->setConfig(config, w, h); 298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com bm->allocPixels(); 30dbfac8a72393eaf01670aeb3244de0e18d8faf98junov@google.com bm->eraseColor(SK_ColorTRANSPARENT); 31ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkCanvas canvas(*bm); 3364cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org SkPoint pts[] = { { 0, 0 }, { SkIntToScalar(w), SkIntToScalar(h) } }; 348a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE }; 358a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; 368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 37ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 38ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com SkUnitMapper* um = NULL; 398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com um = new SkCosineMapper; 418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com// um = new SkDiscreteMapper(12); 428a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkAutoUnref au(um); 448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setDither(true); 468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos, 478a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode, um))->unref(); 488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas.drawPaint(paint); 498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 518a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic void setup(SkPaint* paint, const SkBitmap& bm, bool filter, 528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader::TileMode tmx, SkShader::TileMode tmy) { 538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkShader* shader = SkShader::CreateBitmapShader(bm, tmx, tmy); 548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint->setShader(shader)->unref(); 558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint->setFilterBitmap(filter); 568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com} 578a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic const SkBitmap::Config gConfigs[] = { 598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap::kARGB_8888_Config, 608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap::kRGB_565_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 { 66f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com SkPicture* fTextPicture; 678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBlurDrawLooper fLooper; 688a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.compublic: 69ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com TilingView() 70b7061176c7f414616fe2e79e832b3e0abe326af6robertphillips@google.com : fLooper(0x88000000, 71b7061176c7f414616fe2e79e832b3e0abe326af6robertphillips@google.com SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(1)), 72b7061176c7f414616fe2e79e832b3e0abe326af6robertphillips@google.com SkIntToScalar(2), SkIntToScalar(2)) { 73f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com fTextPicture = new SkPicture(); 7464cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) { 758a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com makebm(&fTexture[i], gConfigs[i], gWidth, gHeight); 768a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 778a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 788a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 79f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com ~TilingView() { 80f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com fTextPicture->unref(); 81f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com } 82f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com 838a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkBitmap fTexture[SK_ARRAY_COUNT(gConfigs)]; 84ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 858a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprotected: 868a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com // overrides from SkEventSink 878a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com virtual bool onQuery(SkEvent* evt) { 888a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com if (SampleCode::TitleQ(*evt)) { 898a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SampleCode::TitleR(evt, "Tiling"); 908a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return true; 918a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 928a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com return this->INHERITED::onQuery(evt); 938a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 94ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 95f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com virtual void onDrawContent(SkCanvas* canvas) { 968a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkRect r = { 0, 0, SkIntToScalar(gWidth*2), SkIntToScalar(gHeight*2) }; 978a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 988a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gConfigNames[] = { "8888", "565", "4444" }; 99ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1008a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const bool gFilters[] = { false, true }; 1018a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gFilterNames[] = { "point", "bilinear" }; 102ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1038a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const SkShader::TileMode gModes[] = { SkShader::kClamp_TileMode, SkShader::kRepeat_TileMode, SkShader::kMirror_TileMode }; 1048a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com static const char* gModeNames[] = { "C", "R", "M" }; 1058a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1068a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar y = SkIntToScalar(24); 1078a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkScalar x = SkIntToScalar(10); 1088a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 109f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkCanvas* textCanvas = NULL; 110f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com if (fTextPicture->width() == 0) { 111f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com textCanvas = fTextPicture->beginRecording(1000, 1000); 112f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 113f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 114f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (textCanvas) { 11564cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 11664cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 117f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkPaint p; 118f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com SkString str; 119f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setAntiAlias(true); 120f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setDither(true); 121f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setLooper(&fLooper); 122f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com str.printf("[%s,%s]", gModeNames[kx], gModeNames[ky]); 123f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 124f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com p.setTextAlign(SkPaint::kCenter_Align); 125f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x + r.width()/2, y, p); 126ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 127f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com x += r.width() * 4 / 3; 128f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com } 1298a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1308a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 131ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1328a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += SkIntToScalar(16); 1338a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 13464cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t i = 0; i < SK_ARRAY_COUNT(gConfigs); i++) { 13564cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t j = 0; j < SK_ARRAY_COUNT(gFilters); j++) { 1368a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x = SkIntToScalar(10); 13764cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t kx = 0; kx < SK_ARRAY_COUNT(gModes); kx++) { 13864cc579efa7e416c7298ed159d76b074b283c0f9senorblanco@chromium.org for (size_t ky = 0; ky < SK_ARRAY_COUNT(gModes); ky++) { 1398a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint paint; 1408a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com setup(&paint, fTexture[i], gFilters[j], gModes[kx], gModes[ky]); 1418a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com paint.setDither(true); 142ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1438a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->save(); 1448a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->translate(x, y); 1458a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->drawRect(r, paint); 1468a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com canvas->restore(); 147ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1488a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com x += r.width() * 4 / 3; 1498a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1508a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 151f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com if (textCanvas) { 1528a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkPaint p; 1538a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com SkString str; 1548a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setAntiAlias(true); 1558a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com p.setLooper(&fLooper); 1568a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com str.printf("%s, %s", gConfigNames[i], gFilterNames[j]); 157f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com textCanvas->drawText(str.c_str(), str.size(), x, y + r.height() * 2 / 3, p); 1588a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1598a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1608a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com y += r.height() * 4 / 3; 1618a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 1628a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 163f2b98d67dcb6fcb3120feede9c72016fc7b3ead8reed@android.com 164f3cf9429cc8f483bc5287ca09206a0fc81d98729junov@google.com canvas->drawPicture(*fTextPicture); 1658a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com } 166ae933ce0ea5fd9d21cb6ef2cee7e729d32690aacrmistry@google.com 1678a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comprivate: 168f21833999d90ad9c8c584cff3238797b39cfc00breed@google.com typedef SampleView INHERITED; 1698a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com}; 1708a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1718a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com////////////////////////////////////////////////////////////////////////////// 1728a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.com 1738a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkView* MyFactory() { return new TilingView; } 1748a1c16ff38322f0210116fa7293eb8817c7e477ereed@android.comstatic SkViewRegister reg(MyFactory); 175