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Fixed small oopsie with grayscale jpeg handling - still not working for progressive

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This commit is contained in:
Michael Fulbright 1999-10-29 23:07:23 +00:00
parent 40dfa38a36
commit fcdf947205
1 changed files with 9 additions and 4 deletions
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13
gdk-pixbuf/io-jpeg.c
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@ -137,8 +137,8 @@ explode_gray_into_buf (struct jpeg_decompress_struct *cinfo,
to = lines[i] + (w - 1) * 3;
for (j = w - 1; j >= 0; j--) {
to[0] = from[0];
to[1] = from[1];
to[2] = from[2];
to[1] = from[0];
to[2] = from[0];
to -= 3;
from--;
}
@ -447,7 +447,7 @@ image_load_increment (gpointer data, guchar *buf, guint size)
/* we're decompressing so feed jpeg lib scanlines */
guchar *lines[4];
guchar **lptr;
guchar *rowptr;
guchar *rowptr, *p;
gint nlines, i;
gint start_scanline;
@ -458,9 +458,12 @@ image_load_increment (gpointer data, guchar *buf, guint size)
rowptr = context->dptr;
for (i=0; i < cinfo->rec_outbuf_height; i++) {
*lptr++ = rowptr;
rowptr += context->pixbuf->art_pixbuf->rowstride;;
rowptr += context->pixbuf->art_pixbuf->rowstride;;
}
for (p=lines[0],i=0; i< context->pixbuf->art_pixbuf->rowstride;i++, p++)
*p = 0;
nlines = jpeg_read_scanlines (cinfo, lines,
cinfo->rec_outbuf_height);
if (nlines == 0)
@ -489,6 +492,8 @@ image_load_increment (gpointer data, guchar *buf, guint size)
nlines, cinfo->src->bytes_in_buffer);
#endif
}
/* did entire image */
return TRUE;
}
}