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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 "SkString.h" | 10 #include "SkString.h" |
11 #include "SkTypeface.h" | 11 #include "SkTypeface.h" |
12 #include "SkTypes.h" | 12 #include "SkTypes.h" |
13 | 13 |
14 static const char* gFaces[] = { | |
15 "Times Roman", | |
16 "Hiragino Maru Gothic Pro", | |
17 "Papyrus", | |
18 "Helvetica", | |
19 "Courier New" | |
20 }; | |
21 | |
22 class TypefaceGM : public skiagm::GM { | |
23 public: | |
24 TypefaceGM() | |
25 : fFaces(NULL) { | |
26 } | |
27 | |
28 virtual ~TypefaceGM() { | |
29 if (fFaces) { | |
30 for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) { | |
31 SkSafeUnref(fFaces[i]); | |
32 } | |
33 delete [] fFaces; | |
34 } | |
35 } | |
36 | |
37 protected: | |
38 void onOnceBeforeDraw() override { | |
39 fFaces = new SkTypeface*[SK_ARRAY_COUNT(gFaces)]; | |
40 for (size_t i = 0; i < SK_ARRAY_COUNT(gFaces); i++) { | |
41 fFaces[i] = sk_tool_utils::create_portable_typeface(gFaces[i], SkTyp
eface::kNormal); | |
42 } | |
43 } | |
44 | |
45 SkString onShortName() override { | |
46 return SkString("typeface"); | |
47 } | |
48 | |
49 SkISize onISize() override { | |
50 return SkISize::Make(640, 480); | |
51 } | |
52 | |
53 void onDraw(SkCanvas* canvas) override { | |
54 SkString text("Typefaces are fun!"); | |
55 SkScalar y = 0; | |
56 | |
57 SkPaint paint; | |
58 paint.setAntiAlias(true); | |
59 for (int i = 0; i < (int)SK_ARRAY_COUNT(gFaces); i++) { | |
60 this->drawWithFace(text, i, y, paint, canvas); | |
61 } | |
62 // Now go backwards | |
63 for (int i = SK_ARRAY_COUNT(gFaces) - 1; i >= 0; i--) { | |
64 this->drawWithFace(text, i, y, paint, canvas); | |
65 } | |
66 } | |
67 | |
68 private: | |
69 void drawWithFace(const SkString& text, int i, SkScalar& y, SkPaint& paint, | |
70 SkCanvas* canvas) { | |
71 paint.setTypeface(fFaces[i]); | |
72 y += paint.getFontMetrics(NULL); | |
73 canvas->drawText(text.c_str(), text.size(), 0, y, paint); | |
74 } | |
75 | |
76 SkTypeface** fFaces; | |
77 | |
78 typedef skiagm::GM INHERITED; | |
79 }; | |
80 | |
81 /////////////////////////////////////////////////////////////////////////////// | |
82 | |
83 static void getGlyphPositions(const SkPaint& paint, const uint16_t glyphs[], | 14 static void getGlyphPositions(const SkPaint& paint, const uint16_t glyphs[], |
84 int count, SkScalar x, SkScalar y, SkPoint pos[]) { | 15 int count, SkScalar x, SkScalar y, SkPoint pos[]) { |
85 SkASSERT(SkPaint::kGlyphID_TextEncoding == paint.getTextEncoding()); | 16 SkASSERT(SkPaint::kGlyphID_TextEncoding == paint.getTextEncoding()); |
86 | 17 |
87 SkAutoSTMalloc<128, SkScalar> widthStorage(count); | 18 SkAutoSTMalloc<128, SkScalar> widthStorage(count); |
88 SkScalar* widths = widthStorage.get(); | 19 SkScalar* widths = widthStorage.get(); |
89 paint.getTextWidths(glyphs, count * sizeof(uint16_t), widths); | 20 paint.getTextWidths(glyphs, count * sizeof(uint16_t), widths); |
90 | 21 |
91 for (int i = 0; i < count; ++i) { | 22 for (int i = 0; i < count; ++i) { |
92 pos[i].set(x, y); | 23 pos[i].set(x, y); |
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170 | 101 |
171 virtual ~TypefaceStylesGM() { | 102 virtual ~TypefaceStylesGM() { |
172 for (int i = 0; i < gFaceStylesCount; i++) { | 103 for (int i = 0; i < gFaceStylesCount; i++) { |
173 SkSafeUnref(fFaces[i]); | 104 SkSafeUnref(fFaces[i]); |
174 } | 105 } |
175 } | 106 } |
176 | 107 |
177 protected: | 108 protected: |
178 void onOnceBeforeDraw() override { | 109 void onOnceBeforeDraw() override { |
179 for (int i = 0; i < gFaceStylesCount; i++) { | 110 for (int i = 0; i < gFaceStylesCount; i++) { |
180 fFaces[i] = sk_tool_utils::create_portable_typeface(gFaceStyles[i].f
Name, | 111 fFaces[i] = SkTypeface::CreateFromName( |
181 gFaceStyles[i].fStyle); | 112 sk_tool_utils::platform_font_name(gFaceStyles[i].fName), gFa
ceStyles[i].fStyle); |
182 } | 113 } |
183 } | 114 } |
184 | 115 |
185 SkString onShortName() override { | 116 SkString onShortName() override { |
186 SkString name("typefacestyles"); | 117 SkString name("typefacestyles"); |
187 if (fApplyKerning) { | 118 if (fApplyKerning) { |
188 name.append("_kerning"); | 119 name.append("_kerning"); |
189 } | 120 } |
| 121 name.append(sk_tool_utils::major_platform_os_name()); |
190 return name; | 122 return name; |
191 } | 123 } |
192 | 124 |
193 SkISize onISize() override { | 125 SkISize onISize() override { |
194 return SkISize::Make(640, 480); | 126 return SkISize::Make(640, 480); |
195 } | 127 } |
196 | 128 |
197 void onDraw(SkCanvas* canvas) override { | 129 void onDraw(SkCanvas* canvas) override { |
198 SkPaint paint; | 130 SkPaint paint; |
199 paint.setAntiAlias(true); | 131 paint.setAntiAlias(true); |
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220 y += dy; | 152 y += dy; |
221 } | 153 } |
222 } | 154 } |
223 | 155 |
224 private: | 156 private: |
225 typedef skiagm::GM INHERITED; | 157 typedef skiagm::GM INHERITED; |
226 }; | 158 }; |
227 | 159 |
228 /////////////////////////////////////////////////////////////////////////////// | 160 /////////////////////////////////////////////////////////////////////////////// |
229 | 161 |
230 DEF_GM( return new TypefaceGM; ) | |
231 DEF_GM( return new TypefaceStylesGM(false); ) | 162 DEF_GM( return new TypefaceStylesGM(false); ) |
232 DEF_GM( return new TypefaceStylesGM(true); ) | 163 DEF_GM( return new TypefaceStylesGM(true); ) |
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