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