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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkPaintPriv_DEFINED | 8 #ifndef SkPaintPriv_DEFINED |
9 #define SkPaintPriv_DEFINED | 9 #define SkPaintPriv_DEFINED |
10 | 10 |
| 11 #include "SkTypes.h" |
| 12 |
11 class SkBitmap; | 13 class SkBitmap; |
| 14 class SkImage; |
12 class SkPaint; | 15 class SkPaint; |
13 | 16 |
14 #include "SkTypes.h" | |
15 | |
16 enum SkPaintBitmapOpacity { | 17 enum SkPaintBitmapOpacity { |
17 // No content replaces the paint's color | 18 // No content replaces the paint's color |
18 kNoBitmap_SkPaintBitmapOpacity = 0, | 19 kNoBitmap_SkPaintBitmapOpacity = 0, |
19 // The color replacement is known to be opaque | 20 // The color replacement is known to be opaque |
20 kOpaque_SkPaintBitmapOpacity = 1, | 21 kOpaque_SkPaintBitmapOpacity = 1, |
21 // We have no information about the color or it is transparent | 22 // We have no information about the color or it is transparent |
22 kUnknown_SkPaintBitmapOpacity = 2 | 23 kUnknown_SkPaintBitmapOpacity = 2 |
23 }; | 24 }; |
24 | 25 |
25 /** Returns true if draw calls that use the paint will completely occlude | 26 /** Returns true if draw calls that use the paint will completely occlude |
26 canvas contents that are covered by the draw. | 27 canvas contents that are covered by the draw. |
27 @param paint The paint to be analyzed, NULL is equivalent to | 28 @param paint The paint to be analyzed, NULL is equivalent to |
28 the default paint. | 29 the default paint. |
29 @param contentType The type of the content that will be drawn, | 30 @param contentType The type of the content that will be drawn, |
30 kNoBitmap_SkPaintBitmapOpacity if there is no content in adition to the
paint. | 31 kNoBitmap_SkPaintBitmapOpacity if there is no content in adition to the
paint. |
31 @return true if paint is opaque | 32 @return true if paint is opaque |
32 */ | 33 */ |
33 bool isPaintOpaque(const SkPaint* paint, SkPaintBitmapOpacity contentType); | 34 bool isPaintOpaque(const SkPaint* paint, SkPaintBitmapOpacity contentType); |
34 | 35 |
35 /** Returns true if draw calls that use the paint will completely occlude | 36 /** Returns true if draw calls that use the paint will completely occlude |
36 canvas contents that are covered by the draw. | 37 canvas contents that are covered by the draw. |
37 @param paint The paint to be analyzed, NULL is equivalent to | 38 @param paint The paint to be analyzed, NULL is equivalent to |
38 the default paint. | 39 the default paint. |
39 @param bmpReplacesShader a bitmap to be used in place of the paint's | 40 @param bmpReplacesShader a bitmap to be used in place of the paint's |
40 shader. | 41 shader. |
41 @return true if paint is opaque | 42 @return true if paint is opaque |
42 */ | 43 */ |
43 bool isPaintOpaque(const SkPaint* paint, | 44 bool isPaintOpaque(const SkPaint* paint, const SkBitmap* bmpReplacesShader = NUL
L); |
44 const SkBitmap* bmpReplacesShader = NULL); | 45 bool isPaintOpaque(const SkPaint* paint, const SkImage* image); |
| 46 |
45 #endif | 47 #endif |
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