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
|
/*
* 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"
namespace skiagm {
static const char* gConfigNames[] = {
"unknown config",
"A1",
"A8",
"Index8",
"565",
"4444",
"8888"
};
SkBitmap::Config gConfigs[] = {
SkBitmap::kRGB_565_Config,
SkBitmap::kARGB_4444_Config,
SkBitmap::kARGB_8888_Config,
};
#define NUM_CONFIGS (sizeof(gConfigs) / sizeof(SkBitmap::Config))
static void draw_checks(SkCanvas* canvas, int width, int height) {
SkPaint paint;
paint.setColor(SK_ColorRED);
canvas->drawRectCoords(0, 0, width / 2, height / 2, paint);
paint.setColor(SK_ColorGREEN);
canvas->drawRectCoords(width / 2, 0, width, height / 2, paint);
paint.setColor(SK_ColorBLUE);
canvas->drawRectCoords(0, height / 2, width / 2, height, paint);
paint.setColor(SK_ColorYELLOW);
canvas->drawRectCoords(width / 2, height / 2, width, height, paint);
}
class BitmapCopyGM : public GM {
public:
SkBitmap fDst[NUM_CONFIGS];
BitmapCopyGM() {
this->setBGColor(0xFFDDDDDD);
}
protected:
virtual SkString onShortName() {
return SkString("bitmapcopy");
}
virtual SkISize onISize() {
return make_isize(540, 330);
}
virtual void onDraw(SkCanvas* canvas) {
SkPaint paint;
SkScalar horizMargin(SkIntToScalar(10));
SkScalar vertMargin(SkIntToScalar(10));
draw_checks(canvas, 40, 40);
SkBitmap src = canvas->getDevice()->accessBitmap(false);
for (unsigned i = 0; i < NUM_CONFIGS; ++i) {
if (!src.deepCopyTo(&fDst[i], gConfigs[i])) {
src.copyTo(&fDst[i], gConfigs[i]);
}
}
canvas->clear(0xFFDDDDDD);
paint.setAntiAlias(true);
SkScalar width = SkIntToScalar(40);
SkScalar height = SkIntToScalar(40);
if (paint.getFontSpacing() > height) {
height = paint.getFontSpacing();
}
for (unsigned i = 0; i < NUM_CONFIGS; i++) {
const char* name = gConfigNames[src.config()];
SkScalar textWidth = paint.measureText(name, strlen(name));
if (textWidth > width) {
width = textWidth;
}
}
SkScalar horizOffset = width + horizMargin;
SkScalar vertOffset = height + vertMargin;
canvas->translate(SkIntToScalar(20), SkIntToScalar(20));
for (unsigned i = 0; i < NUM_CONFIGS; i++) {
canvas->save();
// Draw destination config name
const char* name = gConfigNames[fDst[i].config()];
SkScalar textWidth = paint.measureText(name, strlen(name));
SkScalar x = (width - textWidth) / SkScalar(2);
SkScalar y = paint.getFontSpacing() / SkScalar(2);
canvas->drawText(name, strlen(name), x, y, paint);
// Draw destination bitmap
canvas->translate(0, vertOffset);
x = (width - 40) / SkScalar(2);
canvas->drawBitmap(fDst[i], x, 0, &paint);
canvas->restore();
canvas->translate(horizOffset, 0);
}
}
virtual uint32_t onGetFlags() const { return kSkipPicture_Flag; }
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new BitmapCopyGM; }
static GMRegistry reg(MyFactory);
}
|
