1 /*
2 * Copyright 2011 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
8
9 #include "gm.h"
10 #include "SkCanvas.h"
11 #include "SkTypeface.h"
12
13 namespace skiagm {
14
15 #define TEXT_SIZE 48
16 static const char gText[] = "Hello";
17
18 //Before shaping
19 //static const char gText[] = "「テスト。」";
20 //static const char gText[] = {0xE3,0x80,0x8C, 0xE3,0x83,0x86, 0xE3,0x82,0xB9, 0xE3,0x83,0x88, 0xE3,0x80,0x82, 0xE3,0x80,0x8D, 0x0};
21
22 //After shaping
23 //static const char gText[] = "﹁テスト︒﹂";
24 //static const char gText[] = {0xEF,0xB9,0x81, 0xE3,0x83,0x86, 0xE3,0x82,0xB9, 0xE3,0x83,0x88, 0xEF,0xB8,0x92, 0xEF,0xB9,0x82, 0x0};
25
26 static const size_t gLen = sizeof(gText) - sizeof(gText[0]);
27
28 class VertTextGM : public GM {
29 public:
VertTextGM()30 VertTextGM()
31 // : fFace(SkTypeface::CreateFromName("unifont", SkTypeface::kNormal))
32 // : fFace(SkTypeface::CreateFromFile("MotoyaL04Mincho_3.ttf"))
33
34 // Bitmap fonts on OS X.
35 // : fFace(SkTypeface::CreateFromName("GB18030 Bitmap", SkTypeface::kNormal))
36 // : fFace(SkTypeface::CreateFromName("Apple Color Emoji", SkTypeface::kNormal))
37
38 // OTF CFF fonts on OS X.
39 // : fFace(SkTypeface::CreateFromName("Hiragino Mincho ProN", SkTypeface::kNormal))
40 // : fFace(SkTypeface::CreateFromName("Hiragino Kaku Gothic Pro", SkTypeface::kNormal))
41 // : fFace(SkTypeface::CreateFromName("Hiragino Sans GB", SkTypeface::kNormal))
42 // : fFace(SkTypeface::CreateFromName("STIXGeneral", SkTypeface::kNormal))
43 // : fFace(SkTypeface::CreateFromName("Yuppy SC", SkTypeface::kNormal))
44 // : fFace(SkTypeface::CreateFromName("Yuppy TC", SkTypeface::kNormal))
45
46 {
47 }
48
49 //SkAutoTUnref<SkTypeface> fFace;
50
51 protected:
onGetFlags() const52 virtual uint32_t onGetFlags() const SK_OVERRIDE {
53 return kSkipTiled_Flag;
54 }
55
onShortName()56 SkString onShortName() {
57 return SkString("verttext");
58 }
59
onISize()60 SkISize onISize() { return SkISize::Make(640, 480); }
61
drawBaseline(SkCanvas * canvas,const SkPaint & paint,SkScalar x,SkScalar y)62 static void drawBaseline(SkCanvas* canvas, const SkPaint& paint,
63 SkScalar x, SkScalar y) {
64 SkScalar total = paint.measureText(gText, gLen);
65
66 SkPaint p;
67 p.setAntiAlias(true);
68 p.setColor(0x80FF0000);
69 canvas->drawLine(x, y,
70 paint.isVerticalText() ? x : x + total,
71 paint.isVerticalText() ? y + total : y,
72 p);
73
74 p.setColor(0xFF0000FF);
75 SkScalar adv[gLen];
76 int numChars = paint.getTextWidths(gText, gLen, adv, NULL);
77 for (int i = 0; i < numChars; ++i) {
78 canvas->drawCircle(x, y, SK_Scalar1 * 3 / 2, p);
79 if (paint.isVerticalText()) {
80 y += adv[i];
81 } else {
82 x += adv[i];
83 }
84 }
85 canvas->drawCircle(x, y, SK_Scalar1 * 3 / 2, p);
86 }
87
onDraw(SkCanvas * canvas)88 virtual void onDraw(SkCanvas* canvas) {
89 SkScalar x = SkIntToScalar(100);
90 SkScalar y = SkIntToScalar(50);
91
92 for (int i = 0; i < 4; ++i) {
93 SkPaint paint;
94 paint.setAntiAlias(true);
95 paint.setTextSize(SkIntToScalar(TEXT_SIZE));
96 //paint.setTypeface(fFace);
97 //paint.setFakeBoldText(true);
98
99 paint.setVerticalText(false);
100 drawBaseline(canvas, paint, x, y);
101 canvas->drawText(gText, gLen, x, y, paint);
102
103 paint.setVerticalText(true);
104 drawBaseline(canvas, paint, x, y);
105 canvas->drawText(gText, gLen, x, y, paint);
106
107 x += SkIntToScalar(40);
108 y += SkIntToScalar(120);
109
110 canvas->rotate(SkIntToScalar(-15));
111 }
112 }
113
114 private:
115 typedef GM INHERITED;
116 };
117
118 ///////////////////////////////////////////////////////////////////////////////
119
MyFactory(void *)120 static GM* MyFactory(void*) { return new VertTextGM; }
121 static GMRegistry reg(MyFactory);
122
123 }
124