1
2 /*
3 * Copyright 2011 Google Inc.
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10 /* Tests text vertical text rendering with different fonts and centering.
11 */
12
13 #include "gm.h"
14 #include "SkCanvas.h"
15 #include "SkTypeface.h"
16
17 namespace skiagm {
18
19 class VertText2GM : public GM {
20 public:
VertText2GM()21 VertText2GM() {
22 const int pointSize = 24;
23 textHeight = SkIntToScalar(pointSize);
24 prop = SkTypeface::CreateFromName("Helvetica", SkTypeface::kNormal);
25 mono = SkTypeface::CreateFromName("Courier New", SkTypeface::kNormal);
26 }
27
28 protected:
29
onShortName()30 SkString onShortName() {
31 return SkString("verttext2");
32 }
33
onISize()34 SkISize onISize() { return make_isize(640, 480); }
35
onDraw(SkCanvas * canvas)36 virtual void onDraw(SkCanvas* canvas) {
37
38 for (int i = 0; i < 3; ++i) {
39 SkPaint paint;
40 paint.setColor(SK_ColorRED);
41 paint.setAntiAlias(true);
42 y = textHeight;
43 canvas->drawLine(0, SkIntToScalar(10),
44 SkIntToScalar(110), SkIntToScalar(10), paint);
45 canvas->drawLine(0, SkIntToScalar(240),
46 SkIntToScalar(110), SkIntToScalar(240), paint);
47 canvas->drawLine(0, SkIntToScalar(470),
48 SkIntToScalar(110), SkIntToScalar(470), paint);
49 drawText(canvas, SkString("Proportional / Top Aligned"),
50 prop, SkPaint::kLeft_Align);
51 drawText(canvas, SkString("< Proportional / Centered >"),
52 prop, SkPaint::kCenter_Align);
53 drawText(canvas, SkString("Monospaced / Top Aligned"),
54 mono, SkPaint::kLeft_Align);
55 drawText(canvas, SkString("< Monospaced / Centered >"),
56 mono, SkPaint::kCenter_Align);
57 canvas->rotate(SkIntToScalar(-15));
58 canvas->translate(textHeight * 4, SkIntToScalar(50));
59 if (i > 0) {
60 canvas->translate(0, SkIntToScalar(50));
61 }
62 }
63 }
64
drawText(SkCanvas * canvas,const SkString & string,SkTypeface * family,SkPaint::Align alignment)65 void drawText(SkCanvas* canvas, const SkString& string,
66 SkTypeface* family, SkPaint::Align alignment) {
67 SkPaint paint;
68 paint.setColor(SK_ColorBLACK);
69 paint.setAntiAlias(true);
70 paint.setVerticalText(true);
71 paint.setTextAlign(alignment);
72 paint.setTypeface(family);
73 paint.setTextSize(textHeight);
74
75 canvas->drawText(string.c_str(), string.size(), y,
76 alignment == SkPaint::kLeft_Align ? 10 : 240, paint);
77 y += textHeight;
78 }
79
80 private:
81 typedef GM INHERITED;
82 SkScalar y, textHeight;
83 SkTypeface* prop;
84 SkTypeface* mono;
85 };
86
87 ///////////////////////////////////////////////////////////////////////////////
88
MyFactory(void *)89 static GM* MyFactory(void*) { return new VertText2GM; }
90 static GMRegistry reg(MyFactory);
91
92 }
93