1 : /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
2 : * ***** BEGIN LICENSE BLOCK *****
3 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
4 : *
5 : * The contents of this file are subject to the Mozilla Public License Version
6 : * 1.1 (the "License"); you may not use this file except in compliance with
7 : * the License. You may obtain a copy of the License at
8 : * http://www.mozilla.org/MPL/
9 : *
10 : * Software distributed under the License is distributed on an "AS IS" basis,
11 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : * for the specific language governing rights and limitations under the
13 : * License.
14 : *
15 : * The Original Code is Mozilla Corporation code.
16 : *
17 : * The Initial Developer of the Original Code is Mozilla Foundation.
18 : * Portions created by the Initial Developer are Copyright (C) 2011
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : * Matt Woodrow <mwoodrow@mozilla.com>
23 : *
24 : * Alternatively, the contents of this file may be used under the terms of
25 : * either the GNU General Public License Version 2 or later (the "GPL"), or
26 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
27 : * in which case the provisions of the GPL or the LGPL are applicable instead
28 : * of those above. If you wish to allow use of your version of this file only
29 : * under the terms of either the GPL or the LGPL, and not to allow others to
30 : * use your version of this file under the terms of the MPL, indicate your
31 : * decision by deleting the provisions above and replace them with the notice
32 : * and other provisions required by the GPL or the LGPL. If you do not delete
33 : * the provisions above, a recipient may use your version of this file under
34 : * the terms of any one of the MPL, the GPL or the LGPL.
35 : *
36 : * ***** END LICENSE BLOCK ***** */
37 :
38 : #ifndef MOZILLA_GFX_SOURCESURFACESKIA_H_
39 : #define MOZILLA_GFX_SOURCESURFACESKIA_H_
40 :
41 : #include "2D.h"
42 : #include <vector>
43 : #include "skia/SkCanvas.h"
44 : #include "skia/SkBitmap.h"
45 :
46 : namespace mozilla {
47 : namespace gfx {
48 :
49 : class DrawTargetSkia;
50 :
51 : class SourceSurfaceSkia : public DataSourceSurface
52 : {
53 : public:
54 : SourceSurfaceSkia();
55 : ~SourceSurfaceSkia();
56 :
57 0 : virtual SurfaceType GetType() const { return SURFACE_SKIA; }
58 : virtual IntSize GetSize() const;
59 : virtual SurfaceFormat GetFormat() const;
60 :
61 0 : SkBitmap& GetBitmap() { return mBitmap; }
62 :
63 : bool InitFromData(unsigned char* aData,
64 : const IntSize &aSize,
65 : int32_t aStride,
66 : SurfaceFormat aFormat);
67 :
68 : /**
69 : * If aOwner is NULL, we make a copy of the pixel data in the bitmap,
70 : * otherwise we just reference this data until DrawTargetWillChange is called.
71 : */
72 : bool InitWithBitmap(const SkBitmap& aBitmap,
73 : SurfaceFormat aFormat,
74 : DrawTargetSkia* aOwner);
75 :
76 :
77 : virtual unsigned char *GetData();
78 :
79 0 : virtual int32_t Stride() { return mStride; }
80 :
81 : private:
82 : friend class DrawTargetSkia;
83 :
84 : void DrawTargetWillChange();
85 : void DrawTargetDestroyed();
86 : void MarkIndependent();
87 :
88 : SkBitmap mBitmap;
89 : SurfaceFormat mFormat;
90 : IntSize mSize;
91 : int32_t mStride;
92 : DrawTargetSkia* mDrawTarget;
93 : };
94 :
95 : }
96 : }
97 :
98 : #endif /* MOZILLA_GFX_SOURCESURFACESKIA_H_ */
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