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1 /* | |
2 * Copyright 2012 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "SkImagePriv.h" | |
9 #include "SkImage_Base.h" | |
10 #include "SkCanvas.h" | |
11 #include "SkPicture.h" | |
12 | |
13 SkImage* SkNewImageFromBitmap(const SkBitmap& bm, bool canSharePixelRef, | |
14 const SkSurfaceProps* props) { | |
15 const SkImageInfo info = bm.info(); | |
16 if (kUnknown_SkColorType == info.colorType()) { | |
17 return NULL; | |
18 } | |
19 | |
20 SkImage* image = NULL; | |
21 if (canSharePixelRef || bm.isImmutable()) { | |
22 image = SkNewImageFromPixelRef(info, bm.pixelRef(), bm.rowBytes(), props
); | |
23 } else { | |
24 bm.lockPixels(); | |
25 if (bm.getPixels()) { | |
26 image = SkImage::NewRasterCopy(info, bm.getPixels(), bm.rowBytes()); | |
27 } | |
28 bm.unlockPixels(); | |
29 | |
30 // we don't expose props to NewRasterCopy (need a private vers) so post-
init it here | |
31 if (image && props) { | |
32 as_IB(image)->initWithProps(*props); | |
33 } | |
34 } | |
35 return image; | |
36 } | |
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