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 : fProp(nullptr)
23 , fMono(nullptr) {
24 }
25
~VertText2GM()26 virtual ~VertText2GM() {
27 SkSafeUnref(fProp);
28 SkSafeUnref(fMono);
29 }
30
31 protected:
onOnceBeforeDraw()32 void onOnceBeforeDraw() override {
33 const int pointSize = 24;
34 textHeight = SkIntToScalar(pointSize);
35 fProp = SkTypeface::CreateFromName(sk_tool_utils::platform_font_name("sans-serif"),
36 SkTypeface::kNormal);
37 fMono = SkTypeface::CreateFromName(sk_tool_utils::platform_font_name("monospace"),
38 SkTypeface::kNormal);
39 }
40
onShortName()41 SkString onShortName() override {
42 SkString name("verttext2");
43 name.append(sk_tool_utils::major_platform_os_name());
44 return name;
45 }
46
onISize()47 SkISize onISize() override { return SkISize::Make(640, 480); }
48
onDraw(SkCanvas * canvas)49 void onDraw(SkCanvas* canvas) override {
50 for (int i = 0; i < 3; ++i) {
51 SkPaint paint;
52 paint.setColor(SK_ColorRED);
53 paint.setAntiAlias(true);
54 y = textHeight;
55 canvas->drawLine(0, SkIntToScalar(10),
56 SkIntToScalar(110), SkIntToScalar(10), paint);
57 canvas->drawLine(0, SkIntToScalar(240),
58 SkIntToScalar(110), SkIntToScalar(240), paint);
59 canvas->drawLine(0, SkIntToScalar(470),
60 SkIntToScalar(110), SkIntToScalar(470), paint);
61 drawText(canvas, SkString("Proportional / Top Aligned"),
62 fProp, SkPaint::kLeft_Align);
63 drawText(canvas, SkString("< Proportional / Centered >"),
64 fProp, SkPaint::kCenter_Align);
65 drawText(canvas, SkString("Monospaced / Top Aligned"),
66 fMono, SkPaint::kLeft_Align);
67 drawText(canvas, SkString("< Monospaced / Centered >"),
68 fMono, SkPaint::kCenter_Align);
69 canvas->rotate(SkIntToScalar(-15));
70 canvas->translate(textHeight * 4, SkIntToScalar(50));
71 if (i > 0) {
72 canvas->translate(0, SkIntToScalar(50));
73 }
74 }
75 }
76
drawText(SkCanvas * canvas,const SkString & string,SkTypeface * family,SkPaint::Align alignment)77 void drawText(SkCanvas* canvas, const SkString& string,
78 SkTypeface* family, SkPaint::Align alignment) {
79 SkPaint paint;
80 paint.setColor(SK_ColorBLACK);
81 paint.setAntiAlias(true);
82 paint.setVerticalText(true);
83 paint.setTextAlign(alignment);
84 paint.setTypeface(family);
85 paint.setTextSize(textHeight);
86
87 canvas->drawText(string.c_str(), string.size(), y,
88 SkIntToScalar(alignment == SkPaint::kLeft_Align ? 10 : 240),
89 paint);
90 y += textHeight;
91 }
92
93 private:
94 typedef GM INHERITED;
95 SkScalar y, textHeight;
96 SkTypeface* fProp;
97 SkTypeface* fMono;
98 };
99
100 ///////////////////////////////////////////////////////////////////////////////
101
MyFactory(void *)102 static GM* MyFactory(void*) { return new VertText2GM; }
103 static GMRegistry reg(MyFactory);
104
105 }
106