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Unified Diff: ui/gfx/chromeos/codec/jpeg_codec_robust_slow.h

Issue 2751103004: Revert of Move ui/gfx/codec/ into its own component. (Closed)
Patch Set: Created 3 years, 9 months ago
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Index: ui/gfx/chromeos/codec/jpeg_codec_robust_slow.h
diff --git a/ui/gfx/chromeos/codec/jpeg_codec_robust_slow.h b/ui/gfx/chromeos/codec/jpeg_codec_robust_slow.h
new file mode 100644
index 0000000000000000000000000000000000000000..08ca8b0771ff5c5fb51b87cbce0c0ec3d5847053
--- /dev/null
+++ b/ui/gfx/chromeos/codec/jpeg_codec_robust_slow.h
@@ -0,0 +1,56 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_GFX_CHROMEOS_CODEC_JPEG_CODEC_ROBUST_SLOW_H_
+#define UI_GFX_CHROMEOS_CODEC_JPEG_CODEC_ROBUST_SLOW_H_
+
+#include <stddef.h>
+#include <vector>
+
+#include "ui/gfx/gfx_export.h"
+
+class SkBitmap;
+
+namespace gfx {
+
+// Interface for encoding/decoding JPEG data. This is a wrapper around libjpeg,
+// which has an inconvenient interface for callers. This is only used for
+// servicing ChromeUtilityMsg_RobustJPEGDecodeImage and is currently unique
+// to Chrome OS.
+class GFX_EXPORT JPEGCodecRobustSlow {
+ public:
+ enum ColorFormat {
+ // 3 bytes per pixel (packed), in RGB order regardless of endianness.
+ // This is the native JPEG format.
+ FORMAT_RGB,
+
+ // 4 bytes per pixel, in RGBA order in mem regardless of endianness.
+ FORMAT_RGBA,
+
+ // 4 bytes per pixel, in BGRA order in mem regardless of endianness.
+ // This is the default Windows DIB order.
+ FORMAT_BGRA,
+
+ // 4 bytes per pixel, it can be either RGBA or BGRA. It depends on the bit
+ // order in kARGB_8888_Config skia bitmap.
+ FORMAT_SkBitmap
+ };
+
+ // Decodes the JPEG data contained in input of length input_size. The
+ // decoded data will be placed in *output with the dimensions in *w and *h
+ // on success (returns true). This data will be written in the'format'
+ // format. On failure, the values of these output variables is undefined.
+ static bool Decode(const unsigned char* input, size_t input_size,
+ ColorFormat format, std::vector<unsigned char>* output,
+ int* w, int* h);
+
+ // Decodes the JPEG data contained in input of length input_size. If
+ // successful, a SkBitmap is created and returned. It is up to the caller
+ // to delete the returned bitmap.
+ static SkBitmap* Decode(const unsigned char* input, size_t input_size);
+};
+
+} // namespace gfx
+
+#endif // UI_GFX_CHROMEOS_CODEC_JPEG_CODEC_ROBUST_SLOW_H_
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