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 /* Tests text vertical text rendering with different fonts and centering.
10 */
11
12 #include "gm.h"
13 #include "sk_tool_utils.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
23 protected:
onOnceBeforeDraw()24 void onOnceBeforeDraw() override {
25 const int pointSize = 24;
26 textHeight = SkIntToScalar(pointSize);
27 fProp = SkTypeface::MakeFromName(sk_tool_utils::platform_font_name("sans-serif"),
28 SkFontStyle());
29 fMono = SkTypeface::MakeFromName(sk_tool_utils::platform_font_name("monospace"),
30 SkFontStyle());
31 }
32
onShortName()33 SkString onShortName() override {
34 SkString name("verttext2");
35 name.append(sk_tool_utils::major_platform_os_name());
36 return name;
37 }
38
onISize()39 SkISize onISize() override { return SkISize::Make(640, 480); }
40
onDraw(SkCanvas * canvas)41 void onDraw(SkCanvas* canvas) override {
42 for (int i = 0; i < 3; ++i) {
43 SkPaint paint;
44 paint.setColor(SK_ColorRED);
45 paint.setAntiAlias(true);
46 y = textHeight;
47 canvas->drawLine(0, SkIntToScalar(10),
48 SkIntToScalar(110), SkIntToScalar(10), paint);
49 canvas->drawLine(0, SkIntToScalar(240),
50 SkIntToScalar(110), SkIntToScalar(240), paint);
51 canvas->drawLine(0, SkIntToScalar(470),
52 SkIntToScalar(110), SkIntToScalar(470), paint);
53 drawText(canvas, SkString("Proportional / Top Aligned"),
54 fProp, SkPaint::kLeft_Align);
55 drawText(canvas, SkString("< Proportional / Centered >"),
56 fProp, SkPaint::kCenter_Align);
57 drawText(canvas, SkString("Monospaced / Top Aligned"),
58 fMono, SkPaint::kLeft_Align);
59 drawText(canvas, SkString("< Monospaced / Centered >"),
60 fMono, SkPaint::kCenter_Align);
61 canvas->rotate(SkIntToScalar(-15));
62 canvas->translate(textHeight * 4, SkIntToScalar(50));
63 if (i > 0) {
64 canvas->translate(0, SkIntToScalar(50));
65 }
66 }
67 }
68
drawText(SkCanvas * canvas,const SkString & string,sk_sp<SkTypeface> family,SkPaint::Align alignment)69 void drawText(SkCanvas* canvas, const SkString& string,
70 sk_sp<SkTypeface> family, SkPaint::Align alignment) {
71 SkPaint paint;
72 paint.setColor(SK_ColorBLACK);
73 paint.setAntiAlias(true);
74 paint.setVerticalText(true);
75 paint.setTextAlign(alignment);
76 paint.setTypeface(std::move(family));
77 paint.setTextSize(textHeight);
78
79 canvas->drawString(string, y,
80 SkIntToScalar(alignment == SkPaint::kLeft_Align ? 10 : 240),
81 paint);
82 y += textHeight;
83 }
84
85 private:
86 typedef GM INHERITED;
87 SkScalar y, textHeight;
88 sk_sp<SkTypeface> fProp;
89 sk_sp<SkTypeface> fMono;
90 };
91
92 ///////////////////////////////////////////////////////////////////////////////
93
MyFactory(void *)94 static GM* MyFactory(void*) { return new VertText2GM; }
95 static GMRegistry reg(MyFactory);
96
97 }
98