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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 "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkGradientShader.h" | 10 #include "SkGradientShader.h" |
11 | 11 |
12 namespace skiagm { | 12 namespace skiagm { |
13 | 13 |
14 static void makebm(SkBitmap* bm, int w, int h) { | 14 static void makebm(SkBitmap* bm, int w, int h) { |
15 bm->allocN32Pixels(w, h); | 15 bm->allocN32Pixels(w, h); |
16 bm->eraseColor(SK_ColorTRANSPARENT); | 16 bm->eraseColor(SK_ColorTRANSPARENT); |
17 | 17 |
18 SkCanvas canvas(*bm); | 18 SkCanvas canvas(*bm); |
19 SkScalar s = SkIntToScalar(SkMin32(w, h)); | 19 SkScalar s = SkIntToScalar(SkMin32(w, h)); |
20 static const SkPoint kPts0[] = { { 0, 0 }, { s, s } }; | 20 static const SkPoint kPts0[] = { { 0, 0 }, { s, s } }; |
21 static const SkPoint kPts1[] = { { s/2, 0 }, { s/2, s } }; | 21 static const SkPoint kPts1[] = { { s/2, 0 }, { s/2, s } }; |
22 static const SkScalar kPos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; | 22 static const SkScalar kPos[] = { 0, SK_Scalar1/2, SK_Scalar1 }; |
23 static const SkColor kColors0[] = {0x80F00080, 0xF0F08000, 0x800080F0 }; | 23 static const SkColor kColors0[] = {0x80F00080, 0xF0F08000, 0x800080F0 }; |
24 static const SkColor kColors1[] = {0xF08000F0, 0x8080F000, 0xF000F080 }; | 24 static const SkColor kColors1[] = {0xF08000F0, 0x8080F000, 0xF000F080 }; |
25 | 25 |
26 | 26 |
27 SkPaint paint; | 27 SkPaint paint; |
28 | 28 |
29 paint.setShader(SkGradientShader::MakeLinear(kPts0, kColors0, kPos, | 29 paint.setShader(SkGradientShader::CreateLinear(kPts0, kColors0, kPos, |
30 SK_ARRAY_COUNT(kColors0), SkShader::kClamp_TileMode)); | 30 SK_ARRAY_COUNT(kColors0), SkShader::kClamp_TileMode))->unref
(); |
31 canvas.drawPaint(paint); | 31 canvas.drawPaint(paint); |
32 paint.setShader(SkGradientShader::MakeLinear(kPts1, kColors1, kPos, | 32 paint.setShader(SkGradientShader::CreateLinear(kPts1, kColors1, kPos, |
33 SK_ARRAY_COUNT(kColors1), SkShader::kClamp_TileMode)); | 33 SK_ARRAY_COUNT(kColors1), SkShader::kClamp_TileMode))->unref
(); |
34 canvas.drawPaint(paint); | 34 canvas.drawPaint(paint); |
35 } | 35 } |
36 | 36 |
37 /////////////////////////////////////////////////////////////////////////////// | 37 /////////////////////////////////////////////////////////////////////////////// |
38 | 38 |
39 struct LabeledMatrix { | 39 struct LabeledMatrix { |
40 SkMatrix fMatrix; | 40 SkMatrix fMatrix; |
41 const char* fLabel; | 41 const char* fLabel; |
42 }; | 42 }; |
43 | 43 |
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93 | 93 |
94 canvas->save(); | 94 canvas->save(); |
95 int i = 0; | 95 int i = 0; |
96 for (size_t tm0 = 0; tm0 < SK_ARRAY_COUNT(kTileModes); ++tm0) { | 96 for (size_t tm0 = 0; tm0 < SK_ARRAY_COUNT(kTileModes); ++tm0) { |
97 for (size_t tm1 = 0; tm1 < SK_ARRAY_COUNT(kTileModes); ++tm1) { | 97 for (size_t tm1 = 0; tm1 < SK_ARRAY_COUNT(kTileModes); ++tm1) { |
98 SkMatrix localM; | 98 SkMatrix localM; |
99 localM.setTranslate(5.f, 5.f); | 99 localM.setTranslate(5.f, 5.f); |
100 localM.postRotate(20); | 100 localM.postRotate(20); |
101 localM.postScale(1.15f, .85f); | 101 localM.postScale(1.15f, .85f); |
102 | 102 |
| 103 SkAutoTUnref<SkShader> shader(SkShader::CreateBitmapShader(fBmp, |
| 104 kTile
Modes[tm0], |
| 105 kTile
Modes[tm1], |
| 106 &loca
lM)); |
| 107 |
103 SkPaint fillPaint; | 108 SkPaint fillPaint; |
104 fillPaint.setAntiAlias(true); | 109 fillPaint.setAntiAlias(true); |
105 sk_tool_utils::set_portable_typeface(&fillPaint); | 110 sk_tool_utils::set_portable_typeface(&fillPaint); |
106 fillPaint.setTextSize(SkIntToScalar(kPointSize)); | 111 fillPaint.setTextSize(SkIntToScalar(kPointSize)); |
107 fillPaint.setFilterQuality(kLow_SkFilterQuality); | 112 fillPaint.setFilterQuality(kLow_SkFilterQuality); |
108 fillPaint.setShader(SkShader::MakeBitmapShader(fBmp, kTileModes[
tm0], | 113 fillPaint.setShader(shader); |
109 kTileModes[tm1],
&localM)); | |
110 | 114 |
111 canvas->drawText(kText, kTextLen, 0, 0, fillPaint); | 115 canvas->drawText(kText, kTextLen, 0, 0, fillPaint); |
112 canvas->drawText(kText, kTextLen, 0, 0, outlinePaint); | 116 canvas->drawText(kText, kTextLen, 0, 0, outlinePaint); |
113 SkScalar w = fillPaint.measureText(kText, kTextLen); | 117 SkScalar w = fillPaint.measureText(kText, kTextLen); |
114 canvas->translate(w + 10.f, 0.f); | 118 canvas->translate(w + 10.f, 0.f); |
115 ++i; | 119 ++i; |
116 if (!(i % 2)) { | 120 if (!(i % 2)) { |
117 canvas->restore(); | 121 canvas->restore(); |
118 canvas->translate(0, 0.75f * kPointSize); | 122 canvas->translate(0, 0.75f * kPointSize); |
119 canvas->save(); | 123 canvas->save(); |
120 } | 124 } |
121 } | 125 } |
122 } | 126 } |
123 canvas->restore(); | 127 canvas->restore(); |
124 } | 128 } |
125 | 129 |
126 private: | 130 private: |
127 SkBitmap fBmp; | 131 SkBitmap fBmp; |
128 typedef GM INHERITED; | 132 typedef GM INHERITED; |
129 }; | 133 }; |
130 | 134 |
131 /////////////////////////////////////////////////////////////////////////////// | 135 /////////////////////////////////////////////////////////////////////////////// |
132 | 136 |
133 static GM* MyFactory(void*) { return new ShaderText3GM; } | 137 static GM* MyFactory(void*) { return new ShaderText3GM; } |
134 static GMRegistry reg(MyFactory); | 138 static GMRegistry reg(MyFactory); |
135 } | 139 } |
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