1 /* 2 * Copyright 2015 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "gm.h" 9 10 DEF_SIMPLE_GM(blend, canvas, 300, 100) { 11 SkPaint p; 12 13 // All three of these blocks should be the same color. 14 canvas->save(); 15 canvas->scale(100,100); 16 17 p.setColor(SK_ColorRED); 18 canvas->drawRect(SkRect::MakeXYWH(0,0,1,1), p); 19 p.setColor(0xFC008000); 20 canvas->drawRect(SkRect::MakeXYWH(0,0,1,1), p); 21 22 p.setColor(SK_ColorRED); 23 canvas->drawRect(SkRect::MakeXYWH(1,0,1,1), p); 24 canvas->saveLayer(nullptr, nullptr); 25 p.setColor(0xFC008000); 26 canvas->drawRect(SkRect::MakeXYWH(1,0,1,1), p); 27 canvas->restore(); 28 29 p.setColor(SK_ColorRED); 30 canvas->drawRect(SkRect::MakeXYWH(2,0,1,1), p); 31 canvas->saveLayerAlpha(nullptr, 0xFC); 32 p.setColor(sk_tool_utils::color_to_565(0xFF008000)); 33 canvas->drawRect(SkRect::MakeXYWH(2,0,1,1), p); 34 canvas->restore(); 35 canvas->restore(); 36 37 // Print out the colors in each block (if we're looking at 8888 raster). 38 if (canvas->imageInfo().colorType() == kN32_SkColorType) { 39 if (const SkPMColor* px = (const SkPMColor*)canvas->peekPixels(nullptr, nullptr)) { 40 p.setColor(SK_ColorWHITE); 41 for (int i = 0; i < 3; i++) { 42 SkPMColor c = px[i * 100]; 43 SkString text = SkStringPrintf("0x%08x", c); 44 canvas->drawText(text.c_str(), text.size(), i * 100.0f + 20.0f, 50.0f, p); 45 } 46 } 47 } 48 } 49
