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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2011 Google Inc. | 3 * Copyright 2011 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 #include "gm.h" | 8 #include "gm.h" |
| 9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
| 10 #include "SkGradientShader.h" | 10 #include "SkGradientShader.h" |
| 11 #include "SkUnitMappers.h" | 11 #include "SkUnitMappers.h" |
| 12 | 12 |
| 13 namespace skiagm { | 13 namespace skiagm { |
| 14 | 14 |
| 15 static void makebm(SkBitmap* bm, SkBitmap::Config config, int w, int h) { | 15 static void makebm(SkBitmap* bm, int w, int h) { |
| 16 bm->allocConfigPixels(config, w, h); | 16 bm->allocN32Pixels(w, h); |
| 17 bm->eraseColor(SK_ColorTRANSPARENT); | 17 bm->eraseColor(SK_ColorTRANSPARENT); |
| 18 | 18 |
| 19 SkCanvas canvas(*bm); | 19 SkCanvas canvas(*bm); |
| 20 SkScalar s = SkIntToScalar(SkMin32(w, h)); | 20 SkScalar s = SkIntToScalar(SkMin32(w, h)); |
| 21 SkPoint pts[] = { { 0, 0 }, { s, s } }; | 21 SkPoint pts[] = { { 0, 0 }, { s, s } }; |
| 22 SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE }; | 22 SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE }; |
| 23 SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; | 23 SkScalar pos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; |
| 24 SkPaint paint; | 24 SkPaint paint; |
| 25 | 25 |
| 26 SkUnitMapper* um = NULL; | 26 SkUnitMapper* um = NULL; |
| 27 | 27 |
| 28 um = new SkCosineMapper; | 28 um = new SkCosineMapper; |
| 29 | 29 |
| 30 SkAutoUnref au(um); | 30 SkAutoUnref au(um); |
| 31 | 31 |
| 32 paint.setDither(true); | 32 paint.setDither(true); |
| 33 paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos, | 33 paint.setShader(SkGradientShader::CreateLinear(pts, colors, pos, |
| 34 SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode, um))->unref()
; | 34 SK_ARRAY_COUNT(colors), SkShader::kClamp_TileMode, um))->unref()
; |
| 35 canvas.drawPaint(paint); | 35 canvas.drawPaint(paint); |
| 36 } | 36 } |
| 37 | 37 |
| 38 static SkShader* MakeBitmapShader(SkShader::TileMode tx, SkShader::TileMode ty, | 38 static SkShader* MakeBitmapShader(SkShader::TileMode tx, SkShader::TileMode ty, |
| 39 int w, int h) { | 39 int w, int h) { |
| 40 static SkBitmap bmp; | 40 static SkBitmap bmp; |
| 41 if (bmp.isNull()) { | 41 if (bmp.isNull()) { |
| 42 makebm(&bmp, SkBitmap::kARGB_8888_Config, w/2, h/4); | 42 makebm(&bmp, w/2, h/4); |
| 43 } | 43 } |
| 44 return SkShader::CreateBitmapShader(bmp, tx, ty); | 44 return SkShader::CreateBitmapShader(bmp, tx, ty); |
| 45 } | 45 } |
| 46 | 46 |
| 47 /////////////////////////////////////////////////////////////////////////////// | 47 /////////////////////////////////////////////////////////////////////////////// |
| 48 | 48 |
| 49 struct GradData { | 49 struct GradData { |
| 50 int fCount; | 50 int fCount; |
| 51 const SkColor* fColors; | 51 const SkColor* fColors; |
| 52 const SkScalar* fPos; | 52 const SkScalar* fPos; |
| (...skipping 152 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 205 typedef GM INHERITED; | 205 typedef GM INHERITED; |
| 206 }; | 206 }; |
| 207 | 207 |
| 208 /////////////////////////////////////////////////////////////////////////////// | 208 /////////////////////////////////////////////////////////////////////////////// |
| 209 | 209 |
| 210 #ifndef SK_BUILD_FOR_ANDROID | 210 #ifndef SK_BUILD_FOR_ANDROID |
| 211 static GM* MyFactory(void*) { return new ShaderTextGM; } | 211 static GM* MyFactory(void*) { return new ShaderTextGM; } |
| 212 static GMRegistry reg(MyFactory); | 212 static GMRegistry reg(MyFactory); |
| 213 #endif | 213 #endif |
| 214 } | 214 } |
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