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* Remove SkSerializationHelpers.Gravatar scroggo@google.com2013-02-22
| | | | | | | | | | Move the function definition for EncodeBitmap to SkPicture, where InstallPixelRefProc has already moved (and where it is relevant). Review URL: https://codereview.appspot.com/7386053 git-svn-id: http://skia.googlecode.com/svn/trunk@7837 2bbb7eff-a529-9590-31e7-b0007b416f81
* Create SkLazyPixelRef which performs lazy decoding.Gravatar scroggo@google.com2013-02-22
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The new pixel ref behaves similarly to SkImageRef, with some key differences: It does not depend on the images project. It requires an SkImageCache, which handles allocation and caching of the pixel memory. It takes a function signature for decoding which decodes into already allocated pixel memory rather than into an SkBitmap. Add two implementations of SkImageCache: SkLruImageCache and SkAshmemImageCache. Replace SkSerializationHelpers::DecodeBitmap with SkPicture::InstallPixelRefProc, and update sites that referenced it. SkBitmapFactory now sets the pixel ref to a new object of the new class SkLazyPixelRef, provided it has an SkImageCache for caching. Provide an option to do lazy decodes in render_pictures and bench_pictures. SkPicture: Eliminate the default parameters in the constructor. If a proc for decoding bitmaps is installed, use it to decode any encoded data in subpictures. When parsing deserializing subpictures, check for success. When serializing subpictures, pass the picture's bitmap encoder to the subpicture's call to serialize. Update BitmapFactoryTest to test its new behavior. BUG=https://code.google.com/p/skia/issues/detail?id=1008 BUG=https://code.google.com/p/skia/issues/detail?id=1009 Review URL: https://codereview.appspot.com/7060052 git-svn-id: http://skia.googlecode.com/svn/trunk@7835 2bbb7eff-a529-9590-31e7-b0007b416f81
* Add the ability to provide function pointers to SkPicture serializationGravatar scroggo@google.com2012-10-04
and deserialization for encoding and decoding bitmaps. Remove kForceFlattenBitmapPixels_Flag, which is no longer used. When an SkOrderedReadBuffer needs to read a bitmap, if it does not have an image decoder, use a dummy bitmap. In GM, add a tolerance option for color differences, used when testing picture serialization, so it can assume two images are the same even though PNG encoding/decoding may have resulted in small differences. Create dummy implementations for SkImageDecoder and SkImageEncoder functions in SkImageDecoder_empty so that a project that does not want to include the images project it can still build. Allow ports to build without images project. In Mac's image encoder, copy 4444 to 8888 before encoding. Add SkWriter32::reservePad, to provide a pointer to write non 4 byte aligned data, padded with zeroes. In bench_ and render_ pictures, pass decode function to SkPicture creation from a stream. BUG=https://code.google.com/p/skia/issues/detail?id=842 Review URL: https://codereview.appspot.com/6551071 git-svn-id: http://skia.googlecode.com/svn/trunk@5818 2bbb7eff-a529-9590-31e7-b0007b416f81