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| 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(NULL, NULL); |
| 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(NULL, 0xFC); |
| 32 p.setColor(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(NULL, NUL
L)) { |
| 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 } |
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