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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "gm.h" | 8 #include "gm.h" |
9 #include "SkGradientShader.h" | 9 #include "SkGradientShader.h" |
10 #include "SkImage.h" | 10 #include "SkImage.h" |
11 #include "SkPath.h" | 11 #include "SkPath.h" |
12 #include "SkSurface.h" | 12 #include "SkSurface.h" |
13 | 13 |
14 static SkImage* make_image(SkCanvas* origCanvas, int w, int h) { | 14 static SkImage* make_image(SkCanvas* origCanvas, int w, int h) { |
15 SkImageInfo info = SkImageInfo::MakeN32Premul(w, h); | 15 SkImageInfo info = SkImageInfo::MakeN32Premul(w, h); |
16 SkAutoTUnref<SkSurface> surface(origCanvas->newSurface(info)); | 16 SkAutoTUnref<SkSurface> surface(origCanvas->newSurface(info)); |
17 if (nullptr == surface) { | 17 if (nullptr == surface) { |
18 surface.reset(SkSurface::NewRaster(info)); | 18 surface.reset(SkSurface::NewRaster(info)); |
19 } | 19 } |
20 SkCanvas* canvas = surface->getCanvas(); | 20 SkCanvas* canvas = surface->getCanvas(); |
21 | 21 |
22 sk_tool_utils::draw_checkerboard(canvas, SK_ColorRED, SK_ColorGREEN, w/10); | 22 sk_tool_utils::draw_checkerboard(canvas, SK_ColorRED, SK_ColorGREEN, w/10); |
23 return surface->newImageSnapshot(); | 23 return surface->newImageSnapshot(); |
24 } | 24 } |
25 | 25 |
26 static SkBitmap make_bitmap(int w, int h) { | |
27 SkBitmap bitmap; | |
28 bitmap.allocN32Pixels(w, h); | |
29 SkCanvas canvas(bitmap); | |
30 | |
31 sk_tool_utils::draw_checkerboard(&canvas, SK_ColorBLUE, SK_ColorYELLOW, w/10
); | |
32 return bitmap; | |
33 } | |
34 | |
35 namespace skiagm { | 26 namespace skiagm { |
36 | 27 |
37 class PerspShadersGM : public GM { | 28 class PerspShadersGM : public GM { |
38 public: | 29 public: |
39 PerspShadersGM(bool doAA) : fDoAA(doAA) { } | 30 PerspShadersGM(bool doAA) : fDoAA(doAA) { } |
40 | 31 |
41 protected: | 32 protected: |
42 SkString onShortName() override { | 33 SkString onShortName() override { |
43 SkString name; | 34 SkString name; |
44 name.printf("persp_shaders_%s", | 35 name.printf("persp_shaders_%s", |
45 fDoAA ? "aa" : "bw"); | 36 fDoAA ? "aa" : "bw"); |
46 return name; | 37 return name; |
47 } | 38 } |
48 | 39 |
49 SkISize onISize() override { | 40 SkISize onISize() override { |
50 return SkISize::Make(kCellSize*kNumCols, kCellSize*kNumRows); | 41 return SkISize::Make(kCellSize*kNumCols, kCellSize*kNumRows); |
51 } | 42 } |
52 | 43 |
53 void onOnceBeforeDraw() override { | 44 void onOnceBeforeDraw() override { |
54 fBitmap = make_bitmap(kCellSize, kCellSize); | 45 fBitmap = sk_tool_utils::create_checkerboard_bitmap(kCellSize, kCellSize
, |
| 46 SK_ColorBLUE, SK_Col
orYELLOW, |
| 47 kCellSize/10); |
55 | 48 |
56 fBitmapShader.reset(SkShader::CreateBitmapShader(fBitmap, | 49 fBitmapShader.reset(SkShader::CreateBitmapShader(fBitmap, |
57 SkShader::kClamp_TileMo
de, | 50 SkShader::kClamp_TileMo
de, |
58 SkShader::kClamp_TileMo
de)); | 51 SkShader::kClamp_TileMo
de)); |
59 SkPoint pts1[] = { | 52 SkPoint pts1[] = { |
60 { 0, 0 }, | 53 { 0, 0 }, |
61 { SkIntToScalar(kCellSize), SkIntToScalar(kCellSize) } | 54 { SkIntToScalar(kCellSize), SkIntToScalar(kCellSize) } |
62 }; | 55 }; |
63 SkPoint pts2[] = { | 56 SkPoint pts2[] = { |
64 { 0, 0 }, | 57 { 0, 0 }, |
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175 SkBitmap fBitmap; | 168 SkBitmap fBitmap; |
176 | 169 |
177 typedef GM INHERITED; | 170 typedef GM INHERITED; |
178 }; | 171 }; |
179 | 172 |
180 ////////////////////////////////////////////////////////////////////////////// | 173 ////////////////////////////////////////////////////////////////////////////// |
181 | 174 |
182 DEF_GM(return new PerspShadersGM(true);) | 175 DEF_GM(return new PerspShadersGM(true);) |
183 DEF_GM(return new PerspShadersGM(false);) | 176 DEF_GM(return new PerspShadersGM(false);) |
184 } | 177 } |
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