OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright 2015 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 #include "gm.h" | |
8 #include "Resources.h" | |
9 #include "SkFixed.h" | |
10 #include "SkFontDescriptor.h" | |
11 #include "SkFontMgr.h" | |
12 #include "SkTypeface.h" | |
13 | |
14 namespace skiagm { | |
15 | |
16 class FontScalerDistortableGM : public GM { | |
17 public: | |
18 FontScalerDistortableGM() { | |
19 this->setBGColor(0xFFFFFFFF); | |
20 } | |
21 | |
22 virtual ~FontScalerDistortableGM() { } | |
23 | |
24 protected: | |
25 | |
26 SkString onShortName() override { | |
27 return SkString("fontscalerdistortable"); | |
28 } | |
29 | |
30 SkISize onISize() override { | |
31 return SkISize::Make(550, 700); | |
32 } | |
33 | |
34 static void rotate_about(SkCanvas* canvas, SkScalar degrees, SkScalar px, Sk
Scalar py) { | |
35 canvas->translate(px, py); | |
36 canvas->rotate(degrees); | |
37 canvas->translate(-px, -py); | |
38 } | |
39 | |
40 void onDraw(SkCanvas* canvas) override { | |
41 SkPaint paint; | |
42 paint.setAntiAlias(true); | |
43 paint.setLCDRenderText(true); | |
44 | |
45 SkAutoTDelete<SkStreamAsset> distortable(GetResourceAsStream("/fonts/Dis
tortable.ttf")); | |
46 if (!distortable) { | |
47 return; | |
48 } | |
49 const char* text = "abc"; | |
50 const size_t textLen = strlen(text); | |
51 | |
52 for (int j = 0; j < 2; ++j) { | |
53 for (int i = 0; i < 5; ++i) { | |
54 SkScalar x = SkIntToScalar(10); | |
55 SkScalar y = SkIntToScalar(20); | |
56 | |
57 SkFixed axis = SkDoubleToFixed(0.5 + (5*j + i) * ((2.0 - 0.5) /
(2 * 5))); | |
58 SkAutoTUnref<SkTypeface> typeface(SkTypeface::CreateFromFontData
( | |
59 new SkFontData(distortable->duplicate(), 0, &axis, 1))); | |
60 paint.setTypeface(typeface); | |
61 | |
62 SkAutoCanvasRestore acr(canvas, true); | |
63 canvas->translate(SkIntToScalar(30 + i * 100), SkIntToScalar(20)
); | |
64 rotate_about(canvas, SkIntToScalar(i * 5), x, y * 10); | |
65 | |
66 { | |
67 SkPaint p; | |
68 p.setAntiAlias(true); | |
69 SkRect r; | |
70 r.set(x - SkIntToScalar(3), SkIntToScalar(15), | |
71 x - SkIntToScalar(1), SkIntToScalar(280)); | |
72 canvas->drawRect(r, p); | |
73 } | |
74 | |
75 for (int ps = 6; ps <= 22; ps++) { | |
76 paint.setTextSize(SkIntToScalar(ps)); | |
77 canvas->drawText(text, textLen, x, y, paint); | |
78 y += paint.getFontMetrics(NULL); | |
79 } | |
80 } | |
81 canvas->translate(0, SkIntToScalar(360)); | |
82 paint.setSubpixelText(true); | |
83 } | |
84 } | |
85 | |
86 private: | |
87 typedef GM INHERITED; | |
88 }; | |
89 | |
90 ////////////////////////////////////////////////////////////////////////////// | |
91 | |
92 static GM* MyFactory(void*) { return new FontScalerDistortableGM; } | |
93 static GMRegistry reg(MyFactory); | |
94 | |
95 } | |
OLD | NEW |