summaryrefslogtreecommitdiffstats
path: root/app/gfx/codec/jpeg_codec.h
diff options
context:
space:
mode:
Diffstat (limited to 'app/gfx/codec/jpeg_codec.h')
-rw-r--r--app/gfx/codec/jpeg_codec.h63
1 files changed, 0 insertions, 63 deletions
diff --git a/app/gfx/codec/jpeg_codec.h b/app/gfx/codec/jpeg_codec.h
deleted file mode 100644
index 8f58ecd..0000000
--- a/app/gfx/codec/jpeg_codec.h
+++ /dev/null
@@ -1,63 +0,0 @@
-// Copyright (c) 2009 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 APP_GFX_CODEC_JPEG_CODEC_H_
-#define APP_GFX_CODEC_JPEG_CODEC_H_
-
-#include <vector>
-
-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 UI
-// elements, WebKit has its own more complicated JPEG decoder which handles,
-// among other things, partially downloaded data.
-class JPEGCodec {
- 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
- };
-
- // Encodes the given raw 'input' data, with each pixel being represented as
- // given in 'format'. The encoded JPEG data will be written into the supplied
- // vector and true will be returned on success. On failure (false), the
- // contents of the output buffer are undefined.
- //
- // w, h: dimensions of the image
- // row_byte_width: the width in bytes of each row. This may be greater than
- // w * bytes_per_pixel if there is extra padding at the end of each row
- // (often, each row is padded to the next machine word).
- // quality: an integer in the range 0-100, where 100 is the highest quality.
- static bool Encode(const unsigned char* input, ColorFormat format,
- int w, int h, int row_byte_width,
- int quality, std::vector<unsigned char>* output);
-
- // 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 // APP_GFX_CODEC_JPEG_CODEC_H_