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Side by Side Diff: gm/textblobshader.cpp

Issue 806653007: Fix up all the easy virtual ... SK_OVERRIDE cases. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: rebase Created 5 years, 11 months ago
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1 /* 1 /*
2 * Copyright 2014 Google Inc. 2 * Copyright 2014 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 9
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
11 #include "SkGradientShader.h" 11 #include "SkGradientShader.h"
12 #include "SkPoint.h" 12 #include "SkPoint.h"
13 #include "SkShader.h" 13 #include "SkShader.h"
14 #include "SkTextBlob.h" 14 #include "SkTextBlob.h"
15 #include "SkTDArray.h" 15 #include "SkTDArray.h"
16 #include "SkTypeface.h" 16 #include "SkTypeface.h"
17 17
18 // This GM exercises drawTextBlob offset vs. shader space behavior. 18 // This GM exercises drawTextBlob offset vs. shader space behavior.
19 class TextBlobShaderGM : public skiagm::GM { 19 class TextBlobShaderGM : public skiagm::GM {
20 public: 20 public:
21 TextBlobShaderGM(const char* txt) { 21 TextBlobShaderGM(const char* txt) {
22 SkPaint p; 22 SkPaint p;
23 size_t txtLen = strlen(txt); 23 size_t txtLen = strlen(txt);
24 fGlyphs.append(p.textToGlyphs(txt, txtLen, NULL)); 24 fGlyphs.append(p.textToGlyphs(txt, txtLen, NULL));
25 p.textToGlyphs(txt, txtLen, fGlyphs.begin()); 25 p.textToGlyphs(txt, txtLen, fGlyphs.begin());
26 } 26 }
27 27
28 protected: 28 protected:
29 29
30 virtual void onOnceBeforeDraw() SK_OVERRIDE { 30 void onOnceBeforeDraw() SK_OVERRIDE {
31 SkPaint p; 31 SkPaint p;
32 p.setAntiAlias(true); 32 p.setAntiAlias(true);
33 p.setSubpixelText(true); 33 p.setSubpixelText(true);
34 p.setTextSize(30); 34 p.setTextSize(30);
35 p.setTextEncoding(SkPaint::kGlyphID_TextEncoding); 35 p.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
36 36
37 SkTextBlobBuilder builder; 37 SkTextBlobBuilder builder;
38 int glyphCount = fGlyphs.count(); 38 int glyphCount = fGlyphs.count();
39 const SkTextBlobBuilder::RunBuffer* run; 39 const SkTextBlobBuilder::RunBuffer* run;
40 40
(...skipping 25 matching lines...) Expand all
66 } 66 }
67 67
68 SkISize sz = this->onISize(); 68 SkISize sz = this->onISize();
69 fShader.reset(SkGradientShader::CreateRadial(SkPoint::Make(SkIntToScalar (sz.width() / 2), 69 fShader.reset(SkGradientShader::CreateRadial(SkPoint::Make(SkIntToScalar (sz.width() / 2),
70 SkIntToScalar (sz.height() / 2)), 70 SkIntToScalar (sz.height() / 2)),
71 sz.width() * .66f, colors, pos, 71 sz.width() * .66f, colors, pos,
72 SK_ARRAY_COUNT(colors), 72 SK_ARRAY_COUNT(colors),
73 SkShader::kRepeat_TileMode) ); 73 SkShader::kRepeat_TileMode) );
74 } 74 }
75 75
76 virtual uint32_t onGetFlags() const SK_OVERRIDE { 76 uint32_t onGetFlags() const SK_OVERRIDE {
77 return kSkip565_Flag; 77 return kSkip565_Flag;
78 } 78 }
79 79
80 virtual SkString onShortName() SK_OVERRIDE { 80 SkString onShortName() SK_OVERRIDE {
81 return SkString("textblobshader"); 81 return SkString("textblobshader");
82 } 82 }
83 83
84 virtual SkISize onISize() SK_OVERRIDE { 84 SkISize onISize() SK_OVERRIDE {
85 return SkISize::Make(640, 480); 85 return SkISize::Make(640, 480);
86 } 86 }
87 87
88 virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE { 88 void onDraw(SkCanvas* canvas) SK_OVERRIDE {
89 SkPaint p; 89 SkPaint p;
90 p.setStyle(SkPaint::kFill_Style); 90 p.setStyle(SkPaint::kFill_Style);
91 p.setShader(fShader); 91 p.setShader(fShader);
92 92
93 SkISize sz = this->onISize(); 93 SkISize sz = this->onISize();
94 static const int kXCount = 4; 94 static const int kXCount = 4;
95 static const int kYCount = 3; 95 static const int kYCount = 3;
96 for (int i = 0; i < kXCount; ++i) { 96 for (int i = 0; i < kXCount; ++i) {
97 for (int j = 0; j < kYCount; ++j) { 97 for (int j = 0; j < kYCount; ++j) {
98 canvas->drawTextBlob(fBlob, 98 canvas->drawTextBlob(fBlob,
99 SkIntToScalar(i * sz.width() / kXCount), 99 SkIntToScalar(i * sz.width() / kXCount),
100 SkIntToScalar(j * sz.height() / kYCount), 100 SkIntToScalar(j * sz.height() / kYCount),
101 p); 101 p);
102 } 102 }
103 } 103 }
104 } 104 }
105 105
106 private: 106 private:
107 SkTDArray<uint16_t> fGlyphs; 107 SkTDArray<uint16_t> fGlyphs;
108 SkAutoTUnref<const SkTextBlob> fBlob; 108 SkAutoTUnref<const SkTextBlob> fBlob;
109 SkAutoTUnref<SkShader> fShader; 109 SkAutoTUnref<SkShader> fShader;
110 110
111 typedef skiagm::GM INHERITED; 111 typedef skiagm::GM INHERITED;
112 }; 112 };
113 113
114 DEF_GM( return SkNEW_ARGS(TextBlobShaderGM, ("Blobber")); ) 114 DEF_GM( return SkNEW_ARGS(TextBlobShaderGM, ("Blobber")); )
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