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authorestade@chromium.org <estade@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-01-27 02:46:41 +0000
committerestade@chromium.org <estade@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2009-01-27 02:46:41 +0000
commitb09b52911337baf8b735b990873ab38830918dc3 (patch)
tree371f1b6671fd181cf0fb0cb048da97a590b370d7 /chrome/common/jpeg_codec.h
parentfebd935515d57eaf96a4d31c657a8bc5b3c48cc3 (diff)
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Try2 of issue 18772. (move jpeg_codec* to base/gfx)
Review URL: http://codereview.chromium.org/18838 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@8699 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/common/jpeg_codec.h')
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1 files changed, 0 insertions, 60 deletions
diff --git a/chrome/common/jpeg_codec.h b/chrome/common/jpeg_codec.h
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--- a/chrome/common/jpeg_codec.h
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-// Copyright (c) 2006-2008 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 CHROME_COMMON_JPEG_CODEC_H__
-#define CHROME_COMMON_JPEG_CODEC_H__
-
-#include <vector>
-
-class SkBitmap;
-
-// 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);
-};
-
-#endif // CHROME_COMMON_JPEG_CODEC_H__
-