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 fProp = SkTypeface::CreateFromName("Helvetica", SkTypeface::kNormal);
25 fMono = SkTypeface::CreateFromName("Courier New", SkTypeface::kNormal);
26 }
27
~VertText2GM()28 virtual ~VertText2GM() {
29 SkSafeUnref(fProp);
30 SkSafeUnref(fMono);
31 }
32
33 protected:
34
onShortName()35 SkString onShortName() {
36 return SkString("verttext2");
37 }
38
onISize()39 SkISize onISize() { return make_isize(640, 480); }
40
onDraw(SkCanvas * canvas)41 virtual void onDraw(SkCanvas* canvas) {
42
43 for (int i = 0; i < 3; ++i) {
44 SkPaint paint;
45 paint.setColor(SK_ColorRED);
46 paint.setAntiAlias(true);
47 y = textHeight;
48 canvas->drawLine(0, SkIntToScalar(10),
49 SkIntToScalar(110), SkIntToScalar(10), paint);
50 canvas->drawLine(0, SkIntToScalar(240),
51 SkIntToScalar(110), SkIntToScalar(240), paint);
52 canvas->drawLine(0, SkIntToScalar(470),
53 SkIntToScalar(110), SkIntToScalar(470), paint);
54 drawText(canvas, SkString("Proportional / Top Aligned"),
55 fProp, SkPaint::kLeft_Align);
56 drawText(canvas, SkString("< Proportional / Centered >"),
57 fProp, SkPaint::kCenter_Align);
58 drawText(canvas, SkString("Monospaced / Top Aligned"),
59 fMono, SkPaint::kLeft_Align);
60 drawText(canvas, SkString("< Monospaced / Centered >"),
61 fMono, SkPaint::kCenter_Align);
62 canvas->rotate(SkIntToScalar(-15));
63 canvas->translate(textHeight * 4, SkIntToScalar(50));
64 if (i > 0) {
65 canvas->translate(0, SkIntToScalar(50));
66 }
67 }
68 }
69
drawText(SkCanvas * canvas,const SkString & string,SkTypeface * family,SkPaint::Align alignment)70 void drawText(SkCanvas* canvas, const SkString& string,
71 SkTypeface* family, SkPaint::Align alignment) {
72 SkPaint paint;
73 paint.setColor(SK_ColorBLACK);
74 paint.setAntiAlias(true);
75 paint.setVerticalText(true);
76 paint.setTextAlign(alignment);
77 paint.setTypeface(family);
78 paint.setTextSize(textHeight);
79
80 canvas->drawText(string.c_str(), string.size(), y,
81 SkIntToScalar(alignment == SkPaint::kLeft_Align ? 10 : 240),
82 paint);
83 y += textHeight;
84 }
85
86 private:
87 typedef GM INHERITED;
88 SkScalar y, textHeight;
89 SkTypeface* fProp;
90 SkTypeface* fMono;
91 };
92
93 ///////////////////////////////////////////////////////////////////////////////
94
MyFactory(void *)95 static GM* MyFactory(void*) { return new VertText2GM; }
96 static GMRegistry reg(MyFactory);
97
98 }
99