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 :
39 : #include "Logging.h"
40 : #include "SourceSurfaceSkia.h"
41 : #include "skia/SkBitmap.h"
42 : #include "skia/SkDevice.h"
43 : #include "HelpersSkia.h"
44 : #include "DrawTargetSkia.h"
45 :
46 : namespace mozilla {
47 : namespace gfx {
48 :
49 0 : SourceSurfaceSkia::SourceSurfaceSkia()
50 0 : : mDrawTarget(NULL)
51 : {
52 0 : }
53 :
54 0 : SourceSurfaceSkia::~SourceSurfaceSkia()
55 : {
56 0 : MarkIndependent();
57 0 : }
58 :
59 : IntSize
60 0 : SourceSurfaceSkia::GetSize() const
61 : {
62 0 : return mSize;
63 : }
64 :
65 : SurfaceFormat
66 0 : SourceSurfaceSkia::GetFormat() const
67 : {
68 0 : return mFormat;
69 : }
70 :
71 : bool
72 0 : SourceSurfaceSkia::InitFromData(unsigned char* aData,
73 : const IntSize &aSize,
74 : int32_t aStride,
75 : SurfaceFormat aFormat)
76 : {
77 0 : SkBitmap temp;
78 0 : temp.setConfig(GfxFormatToSkiaConfig(aFormat), aSize.width, aSize.height, aStride);
79 0 : temp.setPixels(aData);
80 :
81 0 : if (!temp.copyTo(&mBitmap, GfxFormatToSkiaConfig(aFormat))) {
82 0 : return false;
83 : }
84 :
85 0 : mSize = aSize;
86 0 : mFormat = aFormat;
87 0 : mStride = aStride;
88 0 : return true;
89 : }
90 :
91 : bool
92 0 : SourceSurfaceSkia::InitWithBitmap(const SkBitmap& aBitmap,
93 : SurfaceFormat aFormat,
94 : DrawTargetSkia* aOwner)
95 : {
96 0 : mFormat = aFormat;
97 0 : mSize = IntSize(aBitmap.width(), aBitmap.height());
98 :
99 0 : if (aOwner) {
100 0 : mBitmap = aBitmap;
101 0 : mStride = aBitmap.rowBytes();
102 0 : mDrawTarget = aOwner;
103 0 : return true;
104 0 : } else if (aBitmap.copyTo(&mBitmap, aBitmap.getConfig())) {
105 0 : mStride = mBitmap.rowBytes();
106 0 : return true;
107 : }
108 0 : return false;
109 : }
110 :
111 : unsigned char*
112 0 : SourceSurfaceSkia::GetData()
113 : {
114 0 : mBitmap.lockPixels();
115 0 : unsigned char *pixels = (unsigned char *)mBitmap.getPixels();
116 0 : mBitmap.unlockPixels();
117 0 : return pixels;
118 :
119 : }
120 :
121 : void
122 0 : SourceSurfaceSkia::DrawTargetWillChange()
123 : {
124 0 : if (mDrawTarget) {
125 0 : mDrawTarget = NULL;
126 0 : SkBitmap temp = mBitmap;
127 0 : mBitmap.reset();
128 0 : temp.copyTo(&mBitmap, temp.getConfig());
129 : }
130 0 : }
131 :
132 : void
133 0 : SourceSurfaceSkia::DrawTargetDestroyed()
134 : {
135 0 : mDrawTarget = NULL;
136 0 : }
137 :
138 : void
139 0 : SourceSurfaceSkia::MarkIndependent()
140 : {
141 0 : if (mDrawTarget) {
142 0 : mDrawTarget->RemoveSnapshot(this);
143 0 : mDrawTarget = NULL;
144 : }
145 0 : }
146 :
147 : }
148 : }
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