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
|
// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GFX_SKIA_PAINT_UTIL_H_
#define UI_GFX_SKIA_PAINT_UTIL_H_
#include <memory>
#include <vector>
#include "base/component_export.h"
#include "cc/paint/paint_shader.h"
#include "ui/gfx/shadow_value.h"
class SkMatrix;
namespace cc {
class DrawLooper;
}
namespace gfx {
class ImageSkiaRep;
// Creates a bitmap shader for the image rep with the image rep's scale factor.
// Sets the created shader's local matrix such that it displays the image rep at
// the correct scale factor.
// The shader's local matrix should not be changed after the shader is created.
// TODO(pkotwicz): Allow shader's local matrix to be changed after the shader
// is created.
//
COMPONENT_EXPORT(GFX)
sk_sp<cc::PaintShader> CreateImageRepShader(const gfx::ImageSkiaRep& image_rep,
SkTileMode tile_mode_x,
SkTileMode tile_mode_y,
const SkMatrix& local_matrix);
// Creates a bitmap shader for the image rep with the passed in scale factor.
COMPONENT_EXPORT(GFX)
sk_sp<cc::PaintShader> CreateImageRepShaderForScale(
const gfx::ImageSkiaRep& image_rep,
SkTileMode tile_mode_x,
SkTileMode tile_mode_y,
const SkMatrix& local_matrix,
SkScalar scale);
// Creates a gradient shader. The caller owns the shader.
COMPONENT_EXPORT(GFX)
sk_sp<cc::PaintShader> CreateGradientShader(const gfx::Point& start_point,
const gfx::Point& end_point,
SkColor start_color,
SkColor end_color);
// Creates a draw looper to generate |shadows|. The caller owns the draw looper.
// NULL is returned if |shadows| is empty since no draw looper is needed in
// this case.
COMPONENT_EXPORT(GFX)
sk_sp<cc::DrawLooper> CreateShadowDrawLooper(
const std::vector<ShadowValue>& shadows);
} // namespace gfx
#endif // UI_GFX_SKIA_PAINT_UTIL_H_
|
