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
|
/*
* Copyright 2015 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"
DEF_SIMPLE_GM(blend, canvas, 300, 100) {
SkPaint p;
// All three of these blocks should be the same color.
canvas->save();
canvas->scale(100,100);
p.setColor(SK_ColorRED);
canvas->drawRect(SkRect::MakeXYWH(0,0,1,1), p);
p.setColor(0xFC008000);
canvas->drawRect(SkRect::MakeXYWH(0,0,1,1), p);
p.setColor(SK_ColorRED);
canvas->drawRect(SkRect::MakeXYWH(1,0,1,1), p);
canvas->saveLayer(nullptr, nullptr);
p.setColor(0xFC008000);
canvas->drawRect(SkRect::MakeXYWH(1,0,1,1), p);
canvas->restore();
p.setColor(SK_ColorRED);
canvas->drawRect(SkRect::MakeXYWH(2,0,1,1), p);
canvas->saveLayerAlpha(nullptr, 0xFC);
p.setColor(sk_tool_utils::color_to_565(0xFF008000));
canvas->drawRect(SkRect::MakeXYWH(2,0,1,1), p);
canvas->restore();
canvas->restore();
// Print out the colors in each block (if we're looking at 8888 raster).
if (canvas->imageInfo().colorType() == kN32_SkColorType) {
if (const SkPMColor* px = (const SkPMColor*)canvas->peekPixels(nullptr, nullptr)) {
p.setColor(SK_ColorWHITE);
for (int i = 0; i < 3; i++) {
SkPMColor c = px[i * 100];
SkString text = SkStringPrintf("0x%08x", c);
canvas->drawText(text.c_str(), text.size(), i * 100.0f + 20.0f, 50.0f, p);
}
}
}
}
|
