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-rw-r--r--gfx/skia/skia/src/codec/SkJpegDecoderMgr.h74
1 files changed, 74 insertions, 0 deletions
diff --git a/gfx/skia/skia/src/codec/SkJpegDecoderMgr.h b/gfx/skia/skia/src/codec/SkJpegDecoderMgr.h
new file mode 100644
index 000000000..7bc422d4f
--- /dev/null
+++ b/gfx/skia/skia/src/codec/SkJpegDecoderMgr.h
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkJpegDecoderMgr_DEFINED
+#define SkJpegDecoderMgr_DEFINED
+
+#include "SkCodec.h"
+#include "SkCodecPriv.h"
+#include <stdio.h>
+#include "SkJpegUtility.h"
+
+extern "C" {
+ #include "jpeglib.h"
+}
+
+class JpegDecoderMgr : SkNoncopyable {
+public:
+
+ /*
+ * Print a useful error message and return false
+ */
+ bool returnFalse(const char caller[]);
+
+ /*
+ * Print a useful error message and return a decode failure
+ */
+ SkCodec::Result returnFailure(const char caller[], SkCodec::Result result);
+
+ /*
+ * Create the decode manager
+ * Does not take ownership of stream
+ */
+ JpegDecoderMgr(SkStream* stream);
+
+ /*
+ * Initialize decompress struct
+ * Initialize the source manager
+ */
+ void init();
+
+ /*
+ * Returns true if it successfully sets outColor to the encoded color,
+ * and false otherwise.
+ */
+ bool getEncodedColor(SkEncodedInfo::Color* outColor);
+
+ /*
+ * Free memory used by the decode manager
+ */
+ ~JpegDecoderMgr();
+
+ /*
+ * Get the jump buffer in order to set an error return point
+ */
+ jmp_buf& getJmpBuf();
+
+ /*
+ * Get function for the decompress info struct
+ */
+ jpeg_decompress_struct* dinfo();
+
+private:
+
+ jpeg_decompress_struct fDInfo;
+ skjpeg_source_mgr fSrcMgr;
+ skjpeg_error_mgr fErrorMgr;
+ bool fInit;
+};
+
+#endif