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Unified Diff: src/images/SkJpegUtility.h

Issue 1830723002: Revert of Delete SkImageDecoder (Closed) Base URL: https://skia.googlesource.com/skia.git@fix-animator
Patch Set: Created 4 years, 9 months ago
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Index: src/images/SkJpegUtility.h
diff --git a/src/images/SkJpegUtility.h b/src/images/SkJpegUtility.h
index c84465289c2e63dea59708af4c00904c6d564706..1a763f843c7473cd1f57957854b7584e20b065d5 100644
--- a/src/images/SkJpegUtility.h
+++ b/src/images/SkJpegUtility.h
@@ -10,6 +10,7 @@
#ifndef SkJpegUtility_DEFINED
#define SkJpegUtility_DEFINED
+#include "SkImageDecoder.h"
#include "SkStream.h"
extern "C" {
@@ -29,6 +30,23 @@
void skjpeg_error_exit(j_common_ptr cinfo);
+///////////////////////////////////////////////////////////////////////////
+/* Our source struct for directing jpeg to our stream object.
+*/
+struct skjpeg_source_mgr : jpeg_source_mgr {
+ skjpeg_source_mgr(SkStream* stream, SkImageDecoder* decoder);
+
+ // Unowned.
+ SkStream* fStream;
+ // Unowned pointer to the decoder, used to check if the decoding process
+ // has been cancelled.
+ SkImageDecoder* fDecoder;
+ enum {
+ kBufferSize = 1024
+ };
+ char fBuffer[kBufferSize];
+};
+
/////////////////////////////////////////////////////////////////////////////
/* Our destination struct for directing decompressed pixels to our stream
* object.
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