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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 "SkBitmap.h" | 9 #include "SkBitmap.h" |
10 #include "SkShader.h" | 10 #include "SkShader.h" |
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27 //! A W/2xH/2 transparent image. | 27 //! A W/2xH/2 transparent image. |
28 kSmallTransparentImage_SrcType = 0x40, | 28 kSmallTransparentImage_SrcType = 0x40, |
29 //! kRectangleImage_SrcType drawn directly with a mask. | 29 //! kRectangleImage_SrcType drawn directly with a mask. |
30 kRectangleWithMask_SrcType = 0x80, | 30 kRectangleWithMask_SrcType = 0x80, |
31 | 31 |
32 kAll_SrcType = 0xFF, //!< All the source types. | 32 kAll_SrcType = 0xFF, //!< All the source types. |
33 kBasic_SrcType = 0x03, //!< Just basic source types. | 33 kBasic_SrcType = 0x03, //!< Just basic source types. |
34 }; | 34 }; |
35 | 35 |
36 const struct { | 36 const struct { |
37 SkXfermode::Mode fMode; | 37 SkBlendMode fMode; |
38 const char* fLabel; | 38 const char* fLabel; |
39 int fSourceTypeMask; // The source types to use this | 39 int fSourceTypeMask; // The source types to use this |
40 // mode with. See draw_mode for | 40 // mode with. See draw_mode for |
41 // an explanation of each type. | 41 // an explanation of each type. |
42 // PDF has to play some tricks | 42 // PDF has to play some tricks |
43 // to support the base modes, | 43 // to support the base modes, |
44 // test those more extensively. | 44 // test those more extensively. |
45 } gModes[] = { | 45 } gModes[] = { |
46 { SkXfermode::kClear_Mode, "Clear", kAll_SrcType }, | 46 { SkBlendMode::kClear, "Clear", kAll_SrcType }, |
47 { SkXfermode::kSrc_Mode, "Src", kAll_SrcType }, | 47 { SkBlendMode::kSrc, "Src", kAll_SrcType }, |
48 { SkXfermode::kDst_Mode, "Dst", kAll_SrcType }, | 48 { SkBlendMode::kDst, "Dst", kAll_SrcType }, |
49 { SkXfermode::kSrcOver_Mode, "SrcOver", kAll_SrcType }, | 49 { SkBlendMode::kSrcOver, "SrcOver", kAll_SrcType }, |
50 { SkXfermode::kDstOver_Mode, "DstOver", kAll_SrcType }, | 50 { SkBlendMode::kDstOver, "DstOver", kAll_SrcType }, |
51 { SkXfermode::kSrcIn_Mode, "SrcIn", kAll_SrcType }, | 51 { SkBlendMode::kSrcIn, "SrcIn", kAll_SrcType }, |
52 { SkXfermode::kDstIn_Mode, "DstIn", kAll_SrcType }, | 52 { SkBlendMode::kDstIn, "DstIn", kAll_SrcType }, |
53 { SkXfermode::kSrcOut_Mode, "SrcOut", kAll_SrcType }, | 53 { SkBlendMode::kSrcOut, "SrcOut", kAll_SrcType }, |
54 { SkXfermode::kDstOut_Mode, "DstOut", kAll_SrcType }, | 54 { SkBlendMode::kDstOut, "DstOut", kAll_SrcType }, |
55 { SkXfermode::kSrcATop_Mode, "SrcATop", kAll_SrcType }, | 55 { SkBlendMode::kSrcATop, "SrcATop", kAll_SrcType }, |
56 { SkXfermode::kDstATop_Mode, "DstATop", kAll_SrcType }, | 56 { SkBlendMode::kDstATop, "DstATop", kAll_SrcType }, |
57 | 57 |
58 { SkXfermode::kXor_Mode, "Xor", kBasic_SrcType }, | 58 { SkBlendMode::kXor, "Xor", kBasic_SrcType }, |
59 { SkXfermode::kPlus_Mode, "Plus", kBasic_SrcType }, | 59 { SkBlendMode::kPlus, "Plus", kBasic_SrcType }, |
60 { SkXfermode::kModulate_Mode, "Modulate", kAll_SrcType }, | 60 { SkBlendMode::kModulate, "Modulate", kAll_SrcType }, |
61 { SkXfermode::kScreen_Mode, "Screen", kBasic_SrcType }, | 61 { SkBlendMode::kScreen, "Screen", kBasic_SrcType }, |
62 { SkXfermode::kOverlay_Mode, "Overlay", kBasic_SrcType }, | 62 { SkBlendMode::kOverlay, "Overlay", kBasic_SrcType }, |
63 { SkXfermode::kDarken_Mode, "Darken", kBasic_SrcType }, | 63 { SkBlendMode::kDarken, "Darken", kBasic_SrcType }, |
64 { SkXfermode::kLighten_Mode, "Lighten", kBasic_SrcType }, | 64 { SkBlendMode::kLighten, "Lighten", kBasic_SrcType }, |
65 { SkXfermode::kColorDodge_Mode, "ColorDodge", kBasic_SrcType }, | 65 { SkBlendMode::kColorDodge, "ColorDodge", kBasic_SrcType }, |
66 { SkXfermode::kColorBurn_Mode, "ColorBurn", kBasic_SrcType }, | 66 { SkBlendMode::kColorBurn, "ColorBurn", kBasic_SrcType }, |
67 { SkXfermode::kHardLight_Mode, "HardLight", kBasic_SrcType }, | 67 { SkBlendMode::kHardLight, "HardLight", kBasic_SrcType }, |
68 { SkXfermode::kSoftLight_Mode, "SoftLight", kBasic_SrcType }, | 68 { SkBlendMode::kSoftLight, "SoftLight", kBasic_SrcType }, |
69 { SkXfermode::kDifference_Mode, "Difference", kBasic_SrcType }, | 69 { SkBlendMode::kDifference, "Difference", kBasic_SrcType }, |
70 { SkXfermode::kExclusion_Mode, "Exclusion", kBasic_SrcType }, | 70 { SkBlendMode::kExclusion, "Exclusion", kBasic_SrcType }, |
71 { SkXfermode::kMultiply_Mode, "Multiply", kAll_SrcType }, | 71 { SkBlendMode::kMultiply, "Multiply", kAll_SrcType }, |
72 { SkXfermode::kHue_Mode, "Hue", kBasic_SrcType }, | 72 { SkBlendMode::kHue, "Hue", kBasic_SrcType }, |
73 { SkXfermode::kSaturation_Mode, "Saturation", kBasic_SrcType }, | 73 { SkBlendMode::kSaturation, "Saturation", kBasic_SrcType }, |
74 { SkXfermode::kColor_Mode, "Color", kBasic_SrcType }, | 74 { SkBlendMode::kColor, "Color", kBasic_SrcType }, |
75 { SkXfermode::kLuminosity_Mode, "Luminosity", kBasic_SrcType }, | 75 { SkBlendMode::kLuminosity, "Luminosity", kBasic_SrcType }, |
76 }; | 76 }; |
77 | 77 |
78 static void make_bitmaps(int w, int h, SkBitmap* src, SkBitmap* dst, | 78 static void make_bitmaps(int w, int h, SkBitmap* src, SkBitmap* dst, |
79 SkBitmap* transparent) { | 79 SkBitmap* transparent) { |
80 src->allocN32Pixels(w, h); | 80 src->allocN32Pixels(w, h); |
81 src->eraseColor(SK_ColorTRANSPARENT); | 81 src->eraseColor(SK_ColorTRANSPARENT); |
82 | 82 |
83 SkPaint p; | 83 SkPaint p; |
84 p.setAntiAlias(true); | 84 p.setAntiAlias(true); |
85 | 85 |
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111 static uint16_t gData[] = { 0xFFFF, 0xCCCF, 0xCCCF, 0xFFFF }; | 111 static uint16_t gData[] = { 0xFFFF, 0xCCCF, 0xCCCF, 0xFFFF }; |
112 | 112 |
113 class XfermodesGM : public skiagm::GM { | 113 class XfermodesGM : public skiagm::GM { |
114 SkBitmap fBG; | 114 SkBitmap fBG; |
115 SkBitmap fSrcB, fDstB, fTransparent; | 115 SkBitmap fSrcB, fDstB, fTransparent; |
116 | 116 |
117 /* The srcType argument indicates what to draw for the source part. Skia | 117 /* The srcType argument indicates what to draw for the source part. Skia |
118 * uses the implied shape of the drawing command and these modes | 118 * uses the implied shape of the drawing command and these modes |
119 * demonstrate that. | 119 * demonstrate that. |
120 */ | 120 */ |
121 void draw_mode(SkCanvas* canvas, SkXfermode::Mode mode, SrcType srcType, | 121 void draw_mode(SkCanvas* canvas, SkBlendMode mode, SrcType srcType, SkScalar
x, SkScalar y) { |
122 SkScalar x, SkScalar y) { | |
123 SkPaint p; | 122 SkPaint p; |
124 SkMatrix m; | 123 SkMatrix m; |
125 bool restoreNeeded = false; | 124 bool restoreNeeded = false; |
126 m.setTranslate(x, y); | 125 m.setTranslate(x, y); |
127 | 126 |
128 canvas->drawBitmap(fSrcB, x, y, &p); | 127 canvas->drawBitmap(fSrcB, x, y, &p); |
129 p.setXfermodeMode(mode); | 128 p.setBlendMode(mode); |
130 switch (srcType) { | 129 switch (srcType) { |
131 case kSmallTransparentImage_SrcType: { | 130 case kSmallTransparentImage_SrcType: { |
132 m.postScale(SK_ScalarHalf, SK_ScalarHalf, x, y); | 131 m.postScale(SK_ScalarHalf, SK_ScalarHalf, x, y); |
133 | 132 |
134 SkAutoCanvasRestore acr(canvas, true); | 133 SkAutoCanvasRestore acr(canvas, true); |
135 canvas->concat(m); | 134 canvas->concat(m); |
136 canvas->drawBitmap(fTransparent, 0, 0, &p); | 135 canvas->drawBitmap(fTransparent, 0, 0, &p); |
137 break; | 136 break; |
138 } | 137 } |
139 case kQuarterClearInLayer_SrcType: { | 138 case kQuarterClearInLayer_SrcType: { |
140 SkRect bounds = SkRect::MakeXYWH(x, y, SkIntToScalar(W), | 139 SkRect bounds = SkRect::MakeXYWH(x, y, SkIntToScalar(W), |
141 SkIntToScalar(H)); | 140 SkIntToScalar(H)); |
142 canvas->saveLayer(&bounds, &p); | 141 canvas->saveLayer(&bounds, &p); |
143 restoreNeeded = true; | 142 restoreNeeded = true; |
144 p.setXfermodeMode(SkXfermode::kSrcOver_Mode); | 143 p.setBlendMode(SkBlendMode::kSrcOver); |
145 // Fall through. | 144 // Fall through. |
146 } | 145 } |
147 case kQuarterClear_SrcType: { | 146 case kQuarterClear_SrcType: { |
148 SkScalar halfW = SkIntToScalar(W) / 2; | 147 SkScalar halfW = SkIntToScalar(W) / 2; |
149 SkScalar halfH = SkIntToScalar(H) / 2; | 148 SkScalar halfH = SkIntToScalar(H) / 2; |
150 p.setColor(sk_tool_utils::color_to_565(0xFF66AAFF)); | 149 p.setColor(sk_tool_utils::color_to_565(0xFF66AAFF)); |
151 SkRect r = SkRect::MakeXYWH(x + halfW, y, halfW, | 150 SkRect r = SkRect::MakeXYWH(x + halfW, y, halfW, |
152 SkIntToScalar(H)); | 151 SkIntToScalar(H)); |
153 canvas->drawRect(r, p); | 152 canvas->drawRect(r, p); |
154 p.setColor(sk_tool_utils::color_to_565(0xFFAA66FF)); | 153 p.setColor(sk_tool_utils::color_to_565(0xFFAA66FF)); |
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278 x0 += SkIntToScalar(400); | 277 x0 += SkIntToScalar(400); |
279 y0 = 0; | 278 y0 = 0; |
280 } | 279 } |
281 } | 280 } |
282 } | 281 } |
283 | 282 |
284 private: | 283 private: |
285 typedef GM INHERITED; | 284 typedef GM INHERITED; |
286 }; | 285 }; |
287 DEF_GM( return new XfermodesGM; ) | 286 DEF_GM( return new XfermodesGM; ) |
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