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
|
/*
* Copyright (C) 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_CROSSFADE_GENERATED_IMAGE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_CROSSFADE_GENERATED_IMAGE_H_
#include "base/memory/scoped_refptr.h"
#include "third_party/blink/renderer/platform/graphics/generated_image.h"
#include "third_party/blink/renderer/platform/graphics/image.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/geometry/size_f.h"
namespace blink {
class PLATFORM_EXPORT CrossfadeGeneratedImage final : public GeneratedImage {
public:
struct WeightedImage {
scoped_refptr<Image> image;
float weight; // Typically [0..1].
};
static scoped_refptr<CrossfadeGeneratedImage> Create(
Vector<WeightedImage> images,
const gfx::SizeF& size) {
return base::AdoptRef(new CrossfadeGeneratedImage(std::move(images), size));
}
bool HasIntrinsicSize() const override { return true; }
gfx::Size SizeWithConfig(SizeConfig) const override {
return gfx::ToFlooredSize(size_);
}
protected:
void Draw(cc::PaintCanvas*,
const cc::PaintFlags&,
const gfx::RectF&,
const gfx::RectF&,
const ImageDrawOptions& draw_options) override;
void DrawTile(cc::PaintCanvas*,
const gfx::RectF&,
const ImageDrawOptions&) final;
CrossfadeGeneratedImage(Vector<WeightedImage> images, const gfx::SizeF&);
private:
void DrawCrossfade(cc::PaintCanvas*,
const cc::PaintFlags&,
const ImageDrawOptions&);
Vector<WeightedImage> images_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_CROSSFADE_GENERATED_IMAGE_H_
|
