1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkCanvas.h"
#include "SkGradientShader.h"
#include "SkTypeface.h"
// test shader w/ transparency
static SkShader* make_grad(SkScalar width) {
SkColor colors[] = { SK_ColorRED, 0x0000FF00, SK_ColorBLUE };
SkPoint pts[] = { { 0, 0 }, { width, 0 } };
return SkGradientShader::CreateLinear(pts, colors, NULL,
SK_ARRAY_COUNT(colors),
SkShader::kMirror_TileMode);
}
// test opaque shader
static SkShader* make_grad2(SkScalar width) {
SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
SkPoint pts[] = { { 0, 0 }, { width, 0 } };
return SkGradientShader::CreateLinear(pts, colors, NULL,
SK_ARRAY_COUNT(colors),
SkShader::kMirror_TileMode);
}
static SkShader* make_chrome_solid() {
SkColor colors[] = { SK_ColorGREEN, SK_ColorGREEN };
SkPoint pts[] = { { 0, 0 }, { 1, 0 } };
return SkGradientShader::CreateLinear(pts, colors, NULL, 2,
SkShader::kClamp_TileMode);
}
namespace skiagm {
// Replicate chrome layout test - clipped pathed gradient-shaded text
class ChromeGradTextGM1 : public GM {
public:
ChromeGradTextGM1() { }
protected:
virtual SkString onShortName() { return SkString("chrome_gradtext1"); }
virtual SkISize onISize() { return make_isize(500, 480); }
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
SkRect r = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100));
canvas->clipRect(r);
paint.setColor(SK_ColorRED);
canvas->drawRect(r, paint);
// Minimal repro doesn't require AA, LCD, or a nondefault typeface
paint.setShader(make_chrome_solid())->unref();
paint.setTextSize(SkIntToScalar(500));
canvas->drawText("I", 1, 0, 100, paint);
}
private:
typedef GM INHERITED;
};
// Replicate chrome layout test - switching between solid & gadient text
class ChromeGradTextGM2 : public GM {
public:
ChromeGradTextGM2() { }
protected:
virtual SkString onShortName() { return SkString("chrome_gradtext2"); }
virtual SkISize onISize() { return make_isize(500, 480); }
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
SkRect r = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100));
paint.setStyle(SkPaint::kFill_Style);
canvas->drawText("Normal Fill Text", 16, 0, 50, paint);
paint.setStyle(SkPaint::kStroke_Style);
canvas->drawText("Normal Stroke Text", 18, 0, 100, paint);
// Minimal repro doesn't require AA, LCD, or a nondefault typeface
paint.setShader(make_chrome_solid())->unref();
paint.setStyle(SkPaint::kFill_Style);
canvas->drawText("Gradient Fill Text", 18, 0, 150, paint);
paint.setStyle(SkPaint::kStroke_Style);
canvas->drawText("Gradient Stroke Text", 20, 0, 200, paint);
}
private:
typedef GM INHERITED;
};
class GradTextGM : public GM {
public:
GradTextGM () {}
protected:
virtual SkString onShortName() {
return SkString("gradtext");
}
virtual SkISize onISize() { return make_isize(500, 480); }
static void draw_text(SkCanvas* canvas, const SkPaint& paint) {
const char* text = "When in the course of human events";
size_t len = strlen(text);
canvas->drawText(text, len, 0, 0, paint);
}
static void draw_text3(SkCanvas* canvas, const SkPaint& paint) {
SkPaint p(paint);
p.setAntiAlias(false);
draw_text(canvas, p);
p.setAntiAlias(true);
canvas->translate(0, paint.getTextSize() * 4/3);
draw_text(canvas, p);
p.setLCDRenderText(true);
canvas->translate(0, paint.getTextSize() * 4/3);
draw_text(canvas, p);
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
paint.setTextSize(SkIntToScalar(26));
const SkISize& size = this->getISize();
SkRect r = SkRect::MakeWH(SkIntToScalar(size.width()),
SkIntToScalar(size.height()) / 2);
canvas->drawRect(r, paint);
canvas->translate(SkIntToScalar(20), paint.getTextSize());
for (int i = 0; i < 2; ++i) {
paint.setShader(make_grad(SkIntToScalar(80)))->unref();
draw_text3(canvas, paint);
canvas->translate(0, paint.getTextSize() * 2);
paint.setShader(make_grad2(SkIntToScalar(80)))->unref();
draw_text3(canvas, paint);
canvas->translate(0, paint.getTextSize() * 2);
}
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new GradTextGM; }
static GM* CMyFactory(void*) { return new ChromeGradTextGM1; }
static GM* CMyFactory2(void*) { return new ChromeGradTextGM2; }
static GMRegistry reg(MyFactory);
static GMRegistry Creg(CMyFactory);
static GMRegistry Creg2(CMyFactory2);
}
|