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fix for bug#1971. pn. ok'd by chofmann.

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This commit is contained in:
pnunn%netscape.com 1999-07-07 19:22:00 +00:00
parent 17545415ad
commit 5eac590df2
1 changed files with 9 additions and 6 deletions
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15
modules/libimg/jpgcom/jpeg.cpp
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@ -18,7 +18,7 @@
/*
* jpeg.c --- Glue code to Independent JPEG Group decoder library
* $Id: jpeg.cpp,v 1.3 1999/04/20 18:51:20 pnunn%netscape.com Exp $
* $Id: jpeg.cpp,v 1.4 1999/07/07 19:22:00 pnunn%netscape.com Exp $
*/
@ -70,8 +70,9 @@ typedef enum {
JPEG_DECOMPRESS_SEQUENTIAL, /* Output sequential pixels */
JPEG_FINAL_PROGRESSIVE_SCAN_OUTPUT,
JPEG_DONE,
JPEG_SINK_NON_JPEG_TRAILER /* Some image files have a */
JPEG_SINK_NON_JPEG_TRAILER, /* Some image files have a */
/* non-JPEG trailer */
JPEG_ERROR
} jstate;
typedef struct {
@ -774,10 +775,12 @@ il_jpeg_write(il_container *ic, const unsigned char *buf, int32 len)
ic->imgdcb->ImgDCBSetupColorspaceConverter(); /* XXXM12N Should check
return code. */
js->rows_per_chunk =
JPEG_OUTPUT_CHUNK_SIZE / img_header->widthBytes;
if(!img_header->widthBytes)
return JPEG_ERROR;
else
js->rows_per_chunk =
JPEG_OUTPUT_CHUNK_SIZE / img_header->widthBytes;
/* FIXME -- Should reset dct_method and dither mode
* for final pass of progressive JPEG
*/