12880df2609eba09b555ca37be04b6ad89290c765Tom Hudson/* 22880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * Copyright 2015 Google Inc. 32880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * 42880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * Use of this source code is governed by a BSD-style license that can be 52880df2609eba09b555ca37be04b6ad89290c765Tom Hudson * found in the LICENSE file. 62880df2609eba09b555ca37be04b6ad89290c765Tom Hudson */ 72880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 82880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#include "gm.h" 92880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#include "SkCanvas.h" 102880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#include "SkRSXform.h" 112880df2609eba09b555ca37be04b6ad89290c765Tom Hudson#include "SkSurface.h" 122880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 132880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// Create a square atlas of: 142880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// opaque white | opaque red 152880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// ------------------------------------ 162880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// opaque green | transparent black 172880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// 182880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonstatic SkImage* make_atlas(SkCanvas* caller, int atlasSize) { 192880df2609eba09b555ca37be04b6ad89290c765Tom Hudson const int kBlockSize = atlasSize/2; 202880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 212880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkImageInfo info = SkImageInfo::MakeN32Premul(atlasSize, atlasSize); 222880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkAutoTUnref<SkSurface> surface(caller->newSurface(info)); 232880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (nullptr == surface) { 242880df2609eba09b555ca37be04b6ad89290c765Tom Hudson surface.reset(SkSurface::NewRaster(info)); 252880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 262880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkCanvas* canvas = surface->getCanvas(); 272880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 282880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkPaint paint; 292880df2609eba09b555ca37be04b6ad89290c765Tom Hudson paint.setXfermode(SkXfermode::Create(SkXfermode::kSrc_Mode)); 302880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 312880df2609eba09b555ca37be04b6ad89290c765Tom Hudson paint.setColor(SK_ColorWHITE); 322880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkRect r = SkRect::MakeXYWH(0, 0, 332880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize)); 342880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->drawRect(r, paint); 352880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 362880df2609eba09b555ca37be04b6ad89290c765Tom Hudson paint.setColor(SK_ColorRED); 372880df2609eba09b555ca37be04b6ad89290c765Tom Hudson r = SkRect::MakeXYWH(SkIntToScalar(kBlockSize), 0, 382880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize)); 392880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->drawRect(r, paint); 402880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 412880df2609eba09b555ca37be04b6ad89290c765Tom Hudson paint.setColor(SK_ColorGREEN); 422880df2609eba09b555ca37be04b6ad89290c765Tom Hudson r = SkRect::MakeXYWH(0, SkIntToScalar(kBlockSize), 432880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize)); 442880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->drawRect(r, paint); 452880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 462880df2609eba09b555ca37be04b6ad89290c765Tom Hudson paint.setColor(SK_ColorTRANSPARENT); 472880df2609eba09b555ca37be04b6ad89290c765Tom Hudson r = SkRect::MakeXYWH(SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize), 482880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkIntToScalar(kBlockSize), SkIntToScalar(kBlockSize)); 492880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->drawRect(r, paint); 502880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 512880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return surface->newImageSnapshot(); 522880df2609eba09b555ca37be04b6ad89290c765Tom Hudson} 532880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 542880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// This GM tests the drawAtlas API with colors, different xfer modes 552880df2609eba09b555ca37be04b6ad89290c765Tom Hudson// and transparency in the atlas image 562880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonclass DrawAtlasColorsGM : public skiagm::GM { 572880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonpublic: 582880df2609eba09b555ca37be04b6ad89290c765Tom Hudson DrawAtlasColorsGM() { 592880df2609eba09b555ca37be04b6ad89290c765Tom Hudson this->setBGColor(sk_tool_utils::color_to_565(0xFFCCCCCC)); 602880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 612880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 622880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonprotected: 632880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkString onShortName() override { 642880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return SkString("draw-atlas-colors"); 652880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 662880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 672880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkISize onISize() override { 682880df2609eba09b555ca37be04b6ad89290c765Tom Hudson return SkISize::Make(kNumXferModes * (kAtlasSize + kPad) + kPad, 692880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 2 * kNumColors * (kAtlasSize + kPad) + kTextPad + kPad); 702880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 712880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 722880df2609eba09b555ca37be04b6ad89290c765Tom Hudson void onDraw(SkCanvas* canvas) override { 732880df2609eba09b555ca37be04b6ad89290c765Tom Hudson const SkRect target = SkRect::MakeWH(SkIntToScalar(kAtlasSize), SkIntToScalar(kAtlasSize)); 742880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 752880df2609eba09b555ca37be04b6ad89290c765Tom Hudson if (nullptr == fAtlas) { 762880df2609eba09b555ca37be04b6ad89290c765Tom Hudson fAtlas.reset(make_atlas(canvas, kAtlasSize)); 772880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 782880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 792880df2609eba09b555ca37be04b6ad89290c765Tom Hudson const struct { 802880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkXfermode::Mode fMode; 812880df2609eba09b555ca37be04b6ad89290c765Tom Hudson const char* fLabel; 822880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } gModes[] = { 832880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kClear_Mode, "Clear" }, 842880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kSrc_Mode, "Src" }, 852880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kDst_Mode, "Dst" }, 862880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kSrcOver_Mode, "SrcOver" }, 872880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kDstOver_Mode, "DstOver" }, 882880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kSrcIn_Mode, "SrcIn" }, 892880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kDstIn_Mode, "DstIn" }, 902880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kSrcOut_Mode, "SrcOut" }, 912880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kDstOut_Mode, "DstOut" }, 922880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kSrcATop_Mode, "SrcATop" }, 932880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kDstATop_Mode, "DstATop" }, 942880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kXor_Mode, "Xor" }, 952880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kPlus_Mode, "Plus" }, 962880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kModulate_Mode, "Mod" }, 972880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kScreen_Mode, "Screen" }, 982880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kOverlay_Mode, "Overlay" }, 992880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kDarken_Mode, "Darken" }, 1002880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kLighten_Mode, "Lighten" }, 1012880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kColorDodge_Mode, "Dodge" }, 1022880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kColorBurn_Mode, "Burn" }, 1032880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kHardLight_Mode, "Hard" }, 1042880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kSoftLight_Mode, "Soft" }, 1052880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kDifference_Mode, "Diff" }, 1062880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kExclusion_Mode, "Exclusion" }, 1072880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kMultiply_Mode, "Multiply" }, 1082880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kHue_Mode, "Hue" }, 1092880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kSaturation_Mode, "Sat" }, 1102880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kColor_Mode, "Color" }, 1112880df2609eba09b555ca37be04b6ad89290c765Tom Hudson { SkXfermode::kLuminosity_Mode, "Luminosity"}, 1122880df2609eba09b555ca37be04b6ad89290c765Tom Hudson }; 1132880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1142880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkColor gColors[] = { 1152880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SK_ColorWHITE, 1162880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SK_ColorRED, 1172880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 0x88888888, // transparent grey 1182880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 0x88000088 // transparent blue 1192880df2609eba09b555ca37be04b6ad89290c765Tom Hudson }; 1202880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1212880df2609eba09b555ca37be04b6ad89290c765Tom Hudson const int numModes = SK_ARRAY_COUNT(gModes); 1222880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkASSERT(numModes == kNumXferModes); 1232880df2609eba09b555ca37be04b6ad89290c765Tom Hudson const int numColors = SK_ARRAY_COUNT(gColors); 1242880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkASSERT(numColors == kNumColors); 1252880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkRSXform xforms[numColors]; 1262880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkRect rects[numColors]; 1272880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkColor quadColors[numColors]; 1282880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1292880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkPaint paint; 1302880df2609eba09b555ca37be04b6ad89290c765Tom Hudson paint.setAntiAlias(true); 1312880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1322880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int i = 0; i < numColors; ++i) { 1332880df2609eba09b555ca37be04b6ad89290c765Tom Hudson xforms[i].set(1.0f, 0.0f, SkIntToScalar(kPad), i*(target.width()+kPad)); 1342880df2609eba09b555ca37be04b6ad89290c765Tom Hudson rects[i] = target; 1352880df2609eba09b555ca37be04b6ad89290c765Tom Hudson quadColors[i] = gColors[i]; 1362880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1372880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1382880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkPaint textP; 1392880df2609eba09b555ca37be04b6ad89290c765Tom Hudson textP.setTextSize(SkIntToScalar(kTextPad)); 1402880df2609eba09b555ca37be04b6ad89290c765Tom Hudson textP.setAntiAlias(true); 1412880df2609eba09b555ca37be04b6ad89290c765Tom Hudson sk_tool_utils::set_portable_typeface(&textP, nullptr); 1422880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1432880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int i = 0; i < numModes; ++i) { 1442880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->drawText(gModes[i].fLabel, strlen(gModes[i].fLabel), 1452880df2609eba09b555ca37be04b6ad89290c765Tom Hudson i*(target.width()+kPad)+kPad, SkIntToScalar(kTextPad), 1462880df2609eba09b555ca37be04b6ad89290c765Tom Hudson textP); 1472880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1482880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1492880df2609eba09b555ca37be04b6ad89290c765Tom Hudson for (int i = 0; i < numModes; ++i) { 1502880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->save(); 1512880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->translate(SkIntToScalar(i*(target.height()+kPad)), 1522880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkIntToScalar(kTextPad+kPad)); 1532880df2609eba09b555ca37be04b6ad89290c765Tom Hudson // w/o a paint 1542880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->drawAtlas(fAtlas, xforms, rects, quadColors, numColors, 1552880df2609eba09b555ca37be04b6ad89290c765Tom Hudson gModes[i].fMode, nullptr, nullptr); 1562880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->translate(0.0f, numColors*(target.height()+kPad)); 1572880df2609eba09b555ca37be04b6ad89290c765Tom Hudson // w a paint 1582880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->drawAtlas(fAtlas, xforms, rects, quadColors, numColors, 1592880df2609eba09b555ca37be04b6ad89290c765Tom Hudson gModes[i].fMode, nullptr, &paint); 1602880df2609eba09b555ca37be04b6ad89290c765Tom Hudson canvas->restore(); 1612880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1622880df2609eba09b555ca37be04b6ad89290c765Tom Hudson } 1632880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1642880df2609eba09b555ca37be04b6ad89290c765Tom Hudsonprivate: 1652880df2609eba09b555ca37be04b6ad89290c765Tom Hudson static const int kNumXferModes = 29; 1662880df2609eba09b555ca37be04b6ad89290c765Tom Hudson static const int kNumColors = 4; 1672880df2609eba09b555ca37be04b6ad89290c765Tom Hudson static const int kAtlasSize = 30; 1682880df2609eba09b555ca37be04b6ad89290c765Tom Hudson static const int kPad = 2; 1692880df2609eba09b555ca37be04b6ad89290c765Tom Hudson static const int kTextPad = 8; 1702880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1712880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1722880df2609eba09b555ca37be04b6ad89290c765Tom Hudson SkAutoTUnref<SkImage> fAtlas; 1732880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 1742880df2609eba09b555ca37be04b6ad89290c765Tom Hudson typedef GM INHERITED; 1752880df2609eba09b555ca37be04b6ad89290c765Tom Hudson}; 1762880df2609eba09b555ca37be04b6ad89290c765Tom HudsonDEF_GM( return new DrawAtlasColorsGM; ) 1772880df2609eba09b555ca37be04b6ad89290c765Tom Hudson 178