blob: 88fc4fc3494ca1aed8d0eee6d71ea362bf2da50d (
plain)
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
|
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkPaintPriv_DEFINED
#define SkPaintPriv_DEFINED
class SkBitmap;
class SkPaint;
#include "SkTypes.h"
enum SkPaintBitmapOpacity {
// No content replaces the paint's color
kNoBitmap_SkPaintBitmapOpacity = 0,
// The color replacement is known to be opaque
kOpaque_SkPaintBitmapOpacity = 1,
// We have no information about the color or it is transparent
kUnknown_SkPaintBitmapOpacity = 2
};
/** Returns true if draw calls that use the paint will completely occlude
canvas contents that are covered by the draw.
@param paint The paint to be analyzed, NULL is equivalent to
the default paint.
@param contentType The type of the content that will be drawn,
kNoBitmap_SkPaintBitmapOpacity if there is no content in adition to the paint.
@return true if paint is opaque
*/
bool isPaintOpaque(const SkPaint* paint, SkPaintBitmapOpacity contentType);
/** Returns true if draw calls that use the paint will completely occlude
canvas contents that are covered by the draw.
@param paint The paint to be analyzed, NULL is equivalent to
the default paint.
@param bmpReplacesShader a bitmap to be used in place of the paint's
shader.
@return true if paint is opaque
*/
bool isPaintOpaque(const SkPaint* paint,
const SkBitmap* bmpReplacesShader = NULL);
#endif
|
