diff options
Diffstat (limited to 'xps/xps_jpeg.c')
| -rw-r--r-- | xps/xps_jpeg.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/xps/xps_jpeg.c b/xps/xps_jpeg.c index 68bb5eb9..381baffd 100644 --- a/xps/xps_jpeg.c +++ b/xps/xps_jpeg.c @@ -47,8 +47,8 @@ static void skip_input_data(j_decompress_ptr cinfo, long num_bytes) } } -int -xps_decode_jpeg(fz_pixmap **imagep, byte *rbuf, int rlen) +fz_pixmap * +xps_decode_jpeg(fz_context *ctx, byte *rbuf, int rlen) { struct jpeg_decompress_struct cinfo; struct jpeg_error_mgr_jmp err; @@ -63,8 +63,8 @@ xps_decode_jpeg(fz_pixmap **imagep, byte *rbuf, int rlen) if (setjmp(err.env)) { if (image) - fz_drop_pixmap(image); - return fz_throw("jpeg error: %s", err.msg); + fz_drop_pixmap(ctx, image); + fz_throw(ctx, "jpeg error: %s", err.msg); } cinfo.err = jpeg_std_error(&err.super); @@ -92,14 +92,14 @@ xps_decode_jpeg(fz_pixmap **imagep, byte *rbuf, int rlen) else if (cinfo.output_components == 4) colorspace = fz_device_cmyk; else - return fz_throw("bad number of components in jpeg: %d", cinfo.output_components); + fz_throw(ctx, "bad number of components in jpeg: %d", cinfo.output_components); - image = fz_new_pixmap_with_limit(colorspace, cinfo.output_width, cinfo.output_height); + image = fz_new_pixmap_with_limit(ctx, colorspace, cinfo.output_width, cinfo.output_height); if (!image) { jpeg_finish_decompress(&cinfo); jpeg_destroy_decompress(&cinfo); - return fz_throw("out of memory"); + fz_throw(ctx, "out of memory"); } if (cinfo.density_unit == 1) @@ -115,7 +115,7 @@ xps_decode_jpeg(fz_pixmap **imagep, byte *rbuf, int rlen) fz_clear_pixmap(image); - row[0] = fz_malloc(cinfo.output_components * cinfo.output_width); + row[0] = fz_malloc(ctx, cinfo.output_components * cinfo.output_width); dp = image->samples; while (cinfo.output_scanline < cinfo.output_height) { @@ -128,11 +128,10 @@ xps_decode_jpeg(fz_pixmap **imagep, byte *rbuf, int rlen) *dp++ = 255; } } - fz_free(row[0]); + fz_free(ctx, row[0]); jpeg_finish_decompress(&cinfo); jpeg_destroy_decompress(&cinfo); - *imagep = image; - return fz_okay; + return image; } |