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
|
/*
* 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"
#include "SkShader.h"
// Inspired by svg/as-border-image/svg-as-border-image.html. Draws a four-color checker board bitmap
// such that it is stretched and repeat tiled with different filter qualities. It is testing whether
// the bmp filter respects the repeat mode at the tile seams.
class BmpFilterQualityRepeat : public skiagm::GM {
public:
BmpFilterQualityRepeat() { this->setBGColor(sk_tool_utils::color_to_565(0xFFCCBBAA)); }
protected:
void onOnceBeforeDraw() override {
fBmp.allocN32Pixels(40, 40, true);
SkCanvas canvas(fBmp);
SkBitmap colorBmp;
colorBmp.allocN32Pixels(20, 20, true);
colorBmp.eraseColor(0xFFFF0000);
canvas.drawBitmap(colorBmp, 0, 0);
colorBmp.eraseColor(sk_tool_utils::color_to_565(0xFF008200));
canvas.drawBitmap(colorBmp, 20, 0);
colorBmp.eraseColor(sk_tool_utils::color_to_565(0xFFFF9000));
canvas.drawBitmap(colorBmp, 0, 20);
colorBmp.eraseColor(sk_tool_utils::color_to_565(0xFF2000FF));
canvas.drawBitmap(colorBmp, 20, 20);
}
SkString onShortName() override { return SkString("bmp_filter_quality_repeat"); }
SkISize onISize() override { return SkISize::Make(1000, 235); }
void onDraw(SkCanvas* canvas) override {
constexpr struct {
SkFilterQuality fQuality;
const char* fName;
} kQualities[] = {
{kNone_SkFilterQuality, "none"},
{kLow_SkFilterQuality, "low"},
{kMedium_SkFilterQuality, "medium"},
{kHigh_SkFilterQuality, "high"},
};
for (size_t q = 0; q < SK_ARRAY_COUNT(kQualities); ++q) {
SkPaint paint;
sk_tool_utils::set_portable_typeface(&paint);
paint.setFilterQuality(kQualities[q].fQuality);
SkPaint bmpPaint(paint);
SkMatrix lm = SkMatrix::I();
lm.setScaleX(2.5);
lm.setTranslateX(423);
lm.setTranslateY(330);
constexpr SkShader::TileMode kTM = SkShader::kRepeat_TileMode;
bmpPaint.setShader(SkShader::MakeBitmapShader(fBmp, kTM, kTM, &lm));
SkRect rect = SkRect::MakeLTRB(20, 60, 220, 210);
canvas->drawRect(rect, bmpPaint);
paint.setAntiAlias(true);
canvas->drawText(kQualities[q].fName, strlen(kQualities[q].fName), 20, 40, paint);
canvas->translate(250, 0);
}
}
private:
SkBitmap fBmp;
typedef skiagm::GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM(return new BmpFilterQualityRepeat;)
|
