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Side by Side Diff: samplecode/SampleText.cpp

Issue 1683743005: Simple cleanups related to SkFixed. (Closed) Base URL: https://skia.googlesource.com/skia@master
Patch Set: Revert changes to src/core/SkScan_Hairline.cpp; causes one layout test to regress. Created 4 years, 10 months ago
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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 "SampleCode.h" 8 #include "SampleCode.h"
9 #include "SkView.h" 9 #include "SkView.h"
10 #include "SkCanvas.h" 10 #include "SkCanvas.h"
11 #include "SkReadBuffer.h" 11 #include "SkReadBuffer.h"
12 #include "SkWriteBuffer.h" 12 #include "SkWriteBuffer.h"
13 #include "SkGradientShader.h" 13 #include "SkGradientShader.h"
14 #include "SkGraphics.h" 14 #include "SkGraphics.h"
15 #include "SkImageDecoder.h" 15 #include "SkImageDecoder.h"
16 #include "SkPath.h" 16 #include "SkPath.h"
17 #include "SkRandom.h" 17 #include "SkRandom.h"
18 #include "SkRegion.h" 18 #include "SkRegion.h"
19 #include "SkShader.h" 19 #include "SkShader.h"
20 #include "SkUtils.h" 20 #include "SkUtils.h"
21 #include "SkColorPriv.h" 21 #include "SkColorPriv.h"
22 #include "SkColorFilter.h" 22 #include "SkColorFilter.h"
23 #include "SkTime.h" 23 #include "SkTime.h"
24 #include "SkTypeface.h" 24 #include "SkTypeface.h"
25 #include "SkXfermode.h" 25 #include "SkXfermode.h"
26 26
27 #include "SkStream.h" 27 #include "SkStream.h"
28 #include "SkXMLParser.h" 28 #include "SkXMLParser.h"
29 29
30 static void test_breakText() {
31 SkPaint paint;
32 const char* text = "sdfkljAKLDFJKEWkldfjlk#$%&sdfs.dsj";
33 size_t length = strlen(text);
34 SkScalar width = paint.measureText(text, length);
35
36 SkScalar mm = 0;
37 SkScalar nn = 0;
38 for (SkScalar w = 0; w <= width; w += SK_Scalar1) {
39 SkScalar m;
40 size_t n = paint.breakText(text, length, w, &m);
41
42 SkASSERT(n <= length);
43 SkASSERT(m <= width);
44
45 if (n == 0) {
46 SkASSERT(m == 0);
47 } else {
48 // now assert that we're monotonic
49 if (n == nn) {
50 SkASSERT(m == mm);
51 } else {
52 SkASSERT(n > nn);
53 SkASSERT(m > mm);
54 }
55 }
56 nn = SkIntToScalar((unsigned int)n);
57 mm = m;
58 }
59
60 SkDEBUGCODE(size_t length2 =) paint.breakText(text, length, width, &mm);
61 SkASSERT(length2 == length);
62 SkASSERT(mm == width);
63 }
64
65 static const struct { 30 static const struct {
66 const char* fName; 31 const char* fName;
67 uint32_t fFlags; 32 uint32_t fFlags;
68 bool fFlushCache; 33 bool fFlushCache;
69 } gHints[] = { 34 } gHints[] = {
70 { "Linear", SkPaint::kLinearText_Flag, false }, 35 { "Linear", SkPaint::kLinearText_Flag, false },
71 { "Normal", 0, true }, 36 { "Normal", 0, true },
72 { "Subpixel", SkPaint::kSubpixelText_Flag, true } 37 { "Subpixel", SkPaint::kSubpixelText_Flag, true }
73 }; 38 };
74 39
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102 canvas->drawText(text, length, x, y, p); 67 canvas->drawText(text, length, x, y, p);
103 } 68 }
104 #endif 69 #endif
105 } 70 }
106 71
107 class TextSpeedView : public SampleView { 72 class TextSpeedView : public SampleView {
108 public: 73 public:
109 TextSpeedView() { 74 TextSpeedView() {
110 fHints = 0; 75 fHints = 0;
111 fClickX = 0; 76 fClickX = 0;
112
113 test_breakText();
114 } 77 }
115 78
116 protected: 79 protected:
117 // overrides from SkEventSink 80 // overrides from SkEventSink
118 bool onQuery(SkEvent* evt) override { 81 bool onQuery(SkEvent* evt) override {
119 if (SampleCode::TitleQ(*evt)) { 82 if (SampleCode::TitleQ(*evt)) {
120 SampleCode::TitleR(evt, "Text"); 83 SampleCode::TitleR(evt, "Text");
121 return true; 84 return true;
122 } 85 }
123 return this->INHERITED::onQuery(evt); 86 return this->INHERITED::onQuery(evt);
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200 int fHints; 163 int fHints;
201 SkScalar fClickX; 164 SkScalar fClickX;
202 165
203 typedef SampleView INHERITED; 166 typedef SampleView INHERITED;
204 }; 167 };
205 168
206 ////////////////////////////////////////////////////////////////////////////// 169 //////////////////////////////////////////////////////////////////////////////
207 170
208 static SkView* MyFactory() { return new TextSpeedView; } 171 static SkView* MyFactory() { return new TextSpeedView; }
209 static SkViewRegister reg(MyFactory); 172 static SkViewRegister reg(MyFactory);
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