diff options
Diffstat (limited to 'fitz/image_tiff.c')
| -rw-r--r-- | fitz/image_tiff.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/fitz/image_tiff.c b/fitz/image_tiff.c index a2b405d9..0efcc622 100644 --- a/fitz/image_tiff.c +++ b/fitz/image_tiff.c @@ -835,3 +835,33 @@ fz_load_tiff(fz_context *ctx, unsigned char *buf, int len) return image; } + +void +fz_load_tiff_info(fz_context *ctx, unsigned char *buf, int len, int *wp, int *hp, int *xresp, int *yresp, fz_colorspace **cspacep) +{ + struct tiff tiff; + + fz_try(ctx) + { + fz_decode_tiff_header(ctx, &tiff, buf, len); + + *wp = tiff.imagewidth; + *hp = tiff.imagelength; + *xresp = tiff.xresolution; + *yresp = tiff.yresolution; + *cspacep = tiff.colorspace; + } + fz_always(ctx) + { + /* Clean up scratch memory */ + if (tiff.colormap) fz_free(ctx, tiff.colormap); + if (tiff.stripoffsets) fz_free(ctx, tiff.stripoffsets); + if (tiff.stripbytecounts) fz_free(ctx, tiff.stripbytecounts); + if (tiff.samples) fz_free(ctx, tiff.samples); + if (tiff.profile) fz_free(ctx, tiff.profile); + } + fz_catch(ctx) + { + fz_throw(ctx, "out of memory"); + } +} |