SkJpegDecoderMgr.cpp File Reference

#include "src/codec/SkJpegDecoderMgr.h"
#include "include/core/SkTypes.h"
#include "src/codec/SkCodecPriv.h"
#include "src/codec/SkJpegSourceMgr.h"
#include "src/codec/SkJpegUtility.h"
#include <cstddef>
#include <utility>

Go to the source code of this file.

Functions
static void	print_message (const j_common_ptr info, const char caller[])
static void	output_message (j_common_ptr info)
static void	progress_monitor (j_common_ptr info)

Function Documentation

output_message()

static void output_message ( j_common_ptr  info )

static

Definition at line 35 of file SkJpegDecoderMgr.cpp.

                                              {
    print_message(info, "output_message");
}

print_message()

static void print_message ( const j_common_ptr  info, const char  caller[]  )

static

Definition at line 26 of file SkJpegDecoderMgr.cpp.

                                                                        {
    char buffer[JMSG_LENGTH_MAX];
    info->err->format_message(info, buffer);
    SkCodecPrintf("libjpeg error %d <%s> from %s\n", info->err->msg_code, buffer, caller);
}

progress_monitor()

static void progress_monitor ( j_common_ptr  info )

static

Definition at line 39 of file SkJpegDecoderMgr.cpp.

                                                {
  int scan = ((j_decompress_ptr)info)->input_scan_number;
  // Progressive images with a very large number of scans can cause the
  // decoder to hang.  Here we use the progress monitor to abort on
  // a very large number of scans.  100 is arbitrary, but much larger
  // than the number of scans we might expect in a normal image.
  if (scan >= 100) {
      skjpeg_err_exit(info);
  }
}