author B2G Bumper Bot <>
Tue, 22 Jul 2014 08:00:33 -0700
changeset 195552 47bdf5204d332c9a9b294e1e9ddf88bcfd8d74d3
parent 189503 fcf15eb82338c3339cb39066828467b504ccc1a1
child 215867 08434d415b5c69d764ade5007868f0fb90624019
permissions -rw-r--r--
Bumping gaia.json for 2 gaia revision(s) a=gaia-bump ======== Author: Germán Toro del Valle <> Desc: Merge pull request #21919 from pacorampas/1030623 Bug 1030623 - [Dialer] No space between text and border when Contact with long name and number matching hits ======== Author: Paco Rampas <> Desc: Bug 1030623 - [Dialer] No space between text and border when Contact with long name and number matching hits

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at */

#ifndef nsJPEGDecoder_h__
#define nsJPEGDecoder_h__

#include "RasterImage.h"
/* On Windows systems, RasterImage.h brings in 'windows.h', which defines INT32.
 * But the jpeg decoder has its own definition of INT32. To avoid build issues,
 * we need to undefine the version from 'windows.h'. */
#undef INT32

#include "Decoder.h"

#include "nsAutoPtr.h"

#include "nsIInputStream.h"
#include "nsIPipe.h"
#include "qcms.h"

extern "C" {
#include "jpeglib.h"

#include <setjmp.h>

namespace mozilla {
namespace image {

typedef struct {
    struct jpeg_error_mgr pub;  /* "public" fields for IJG library*/
    jmp_buf setjmp_buffer;      /* For handling catastropic errors */
} decoder_error_mgr;

typedef enum {
    JPEG_HEADER,                          /* Reading JFIF headers */
    JPEG_DECOMPRESS_PROGRESSIVE,          /* Output progressive pixels */
    JPEG_DECOMPRESS_SEQUENTIAL,           /* Output sequential pixels */
    JPEG_SINK_NON_JPEG_TRAILER,          /* Some image files have a */
                                         /* non-JPEG trailer */
} jstate;

class RasterImage;
struct Orientation;

class nsJPEGDecoder : public Decoder
  nsJPEGDecoder(RasterImage &aImage, Decoder::DecodeStyle aDecodeStyle);
  virtual ~nsJPEGDecoder();

  virtual void InitInternal();
  virtual void WriteInternal(const char* aBuffer, uint32_t aCount, DecodeStrategy aStrategy);
  virtual void FinishInternal();

  virtual Telemetry::ID SpeedHistogram();
  void NotifyDone();

  Orientation ReadOrientationFromEXIF();
  void OutputScanlines(bool* suspend);

  struct jpeg_decompress_struct mInfo;
  struct jpeg_source_mgr mSourceMgr;
  decoder_error_mgr mErr;
  jstate mState;

  uint32_t mBytesToSkip;

  const JOCTET *mSegment;   // The current segment we are decoding from
  uint32_t mSegmentLen;     // amount of data in mSegment

  JOCTET *mBackBuffer;
  uint32_t mBackBufferLen; // Offset of end of active backtrack data
  uint32_t mBackBufferSize; // size in bytes what mBackBuffer was created with
  uint32_t mBackBufferUnreadLen; // amount of data currently in mBackBuffer

  JOCTET  *mProfile;
  uint32_t mProfileLength;

  qcms_profile *mInProfile;
  qcms_transform *mTransform;

  bool mReading;

  const Decoder::DecodeStyle mDecodeStyle;

  uint32_t mCMSMode;

} // namespace image
} // namespace mozilla

#endif // nsJPEGDecoder_h__