OLD | NEW |
1 /* | 1 /* |
2 * Copyright 2011 Google Inc. | 2 * Copyright 2011 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 "sk_tool_utils.h" | 9 #include "sk_tool_utils.h" |
10 | 10 |
11 namespace skiagm { | |
12 | |
13 static void make_bm(SkBitmap* bm) { | 11 static void make_bm(SkBitmap* bm) { |
14 const SkColor colors[4] = { | 12 const SkColor colors[4] = { |
15 SK_ColorRED, SK_ColorGREEN, | 13 SK_ColorRED, SK_ColorGREEN, |
16 SK_ColorBLUE, SK_ColorWHITE | 14 SK_ColorBLUE, SK_ColorWHITE |
17 }; | 15 }; |
18 SkPMColor colorsPM[4]; | 16 SkPMColor colorsPM[4]; |
19 for (size_t i = 0; i < SK_ARRAY_COUNT(colors); ++i) { | 17 for (size_t i = 0; i < SK_ARRAY_COUNT(colors); ++i) { |
20 colorsPM[i] = SkPreMultiplyColor(colors[i]); | 18 colorsPM[i] = SkPreMultiplyColor(colors[i]); |
21 } | 19 } |
22 SkColorTable* ctable = new SkColorTable(colorsPM, 4); | 20 SkColorTable* ctable = new SkColorTable(colorsPM, 4); |
(...skipping 40 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
63 | 61 |
64 canvas->scale(SkIntToScalar(scale), SkIntToScalar(scale)); | 62 canvas->scale(SkIntToScalar(scale), SkIntToScalar(scale)); |
65 | 63 |
66 x += draw_set(canvas, bm, 0, &paint); | 64 x += draw_set(canvas, bm, 0, &paint); |
67 paint.reset(); | 65 paint.reset(); |
68 paint.setAlpha(0x80); | 66 paint.setAlpha(0x80); |
69 draw_set(canvas, bm, x, &paint); | 67 draw_set(canvas, bm, x, &paint); |
70 return x * scale / 3; | 68 return x * scale / 3; |
71 } | 69 } |
72 | 70 |
73 class FilterGM : public GM { | 71 class FilterGM : public skiagm::GM { |
74 bool fOnce; | 72 void onOnceBeforeDraw() override { |
75 void init() { | |
76 if (fOnce) { | |
77 return; | |
78 } | |
79 fOnce = true; | |
80 make_bm(&fBM8); | 73 make_bm(&fBM8); |
81 fBM8.copyTo(&fBM4444, kARGB_4444_SkColorType); | 74 fBM8.copyTo(&fBM4444, kARGB_4444_SkColorType); |
82 fBM8.copyTo(&fBM16, kRGB_565_SkColorType); | 75 fBM8.copyTo(&fBM16, kRGB_565_SkColorType); |
83 fBM8.copyTo(&fBM32, kN32_SkColorType); | 76 fBM8.copyTo(&fBM32, kN32_SkColorType); |
84 } | 77 } |
| 78 |
85 public: | 79 public: |
86 SkBitmap fBM8, fBM4444, fBM16, fBM32; | 80 SkBitmap fBM8, fBM4444, fBM16, fBM32; |
87 | 81 |
88 FilterGM() : fOnce(false) { | 82 FilterGM() { |
89 this->setBGColor(0xFFDDDDDD); | 83 this->setBGColor(0xFFDDDDDD); |
90 } | 84 } |
91 | 85 |
92 protected: | 86 protected: |
93 virtual SkString onShortName() { | 87 SkString onShortName() override { |
94 return SkString("bitmapfilters"); | 88 return SkString("bitmapfilters"); |
95 } | 89 } |
96 | 90 |
97 virtual SkISize onISize() { | 91 SkISize onISize() override { |
98 return SkISize::Make(540, 330); | 92 return SkISize::Make(540, 330); |
99 } | 93 } |
100 | 94 |
101 virtual void onDraw(SkCanvas* canvas) { | 95 void onDraw(SkCanvas* canvas) override { |
102 this->init(); | |
103 | |
104 SkScalar x = SkIntToScalar(10); | 96 SkScalar x = SkIntToScalar(10); |
105 SkScalar y = SkIntToScalar(10); | 97 SkScalar y = SkIntToScalar(10); |
106 | 98 |
107 canvas->translate(x, y); | 99 canvas->translate(x, y); |
108 y = draw_row(canvas, fBM8); | 100 y = draw_row(canvas, fBM8); |
109 canvas->translate(0, y); | 101 canvas->translate(0, y); |
110 y = draw_row(canvas, fBM4444); | 102 y = draw_row(canvas, fBM4444); |
111 canvas->translate(0, y); | 103 canvas->translate(0, y); |
112 y = draw_row(canvas, fBM16); | 104 y = draw_row(canvas, fBM16); |
113 canvas->translate(0, y); | 105 canvas->translate(0, y); |
114 draw_row(canvas, fBM32); | 106 draw_row(canvas, fBM32); |
115 } | 107 } |
116 | 108 |
117 private: | 109 private: |
118 typedef GM INHERITED; | 110 typedef skiagm::GM INHERITED; |
119 }; | 111 }; |
| 112 DEF_GM( return new FilterGM; ) |
120 | 113 |
121 ////////////////////////////////////////////////////////////////////////////// | 114 ////////////////////////////////////////////////////////////////////////////// |
122 | 115 |
123 static GM* MyFactory(void*) { return new FilterGM; } | 116 class TestExtractAlphaGM : public skiagm::GM { |
124 static GMRegistry reg(MyFactory); | 117 void onOnceBeforeDraw() override { |
| 118 // Make a bitmap with per-pixels alpha (stroked circle) |
| 119 fBitmap.allocN32Pixels(100, 100); |
| 120 SkCanvas canvas(fBitmap); |
| 121 canvas.clear(0); |
125 | 122 |
126 } | 123 SkPaint paint; |
| 124 paint.setAntiAlias(true); |
| 125 paint.setColor(SK_ColorBLUE); |
| 126 paint.setStyle(SkPaint::kStroke_Style); |
| 127 paint.setStrokeWidth(20); |
| 128 |
| 129 canvas.drawCircle(50, 50, 39, paint); |
| 130 canvas.flush(); |
| 131 |
| 132 fBitmap.extractAlpha(&fAlpha); |
| 133 } |
| 134 |
| 135 public: |
| 136 SkBitmap fBitmap, fAlpha; |
| 137 |
| 138 protected: |
| 139 SkString onShortName() override { |
| 140 return SkString("extractalpha"); |
| 141 } |
| 142 |
| 143 SkISize onISize() override { |
| 144 return SkISize::Make(540, 330); |
| 145 } |
| 146 |
| 147 void onDraw(SkCanvas* canvas) override { |
| 148 SkPaint paint; |
| 149 paint.setAntiAlias(true); |
| 150 paint.setFilterQuality(kLow_SkFilterQuality); |
| 151 paint.setColor(SK_ColorRED); |
| 152 |
| 153 canvas->drawBitmap(fBitmap, 10, 10, &paint); // should stay blue (ign
ore paint's color) |
| 154 canvas->drawBitmap(fAlpha, 120, 10, &paint); // should draw red |
| 155 } |
| 156 |
| 157 private: |
| 158 typedef skiagm::GM INHERITED; |
| 159 }; |
| 160 DEF_GM( return new TestExtractAlphaGM; ) |
| 161 |
OLD | NEW |