diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/mupdf/fitz/pixmap.h | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/include/mupdf/fitz/pixmap.h b/include/mupdf/fitz/pixmap.h index a7bb4354..fcf9d8b3 100644 --- a/include/mupdf/fitz/pixmap.h +++ b/include/mupdf/fitz/pixmap.h @@ -136,6 +136,19 @@ fz_pixmap *fz_new_pixmap_with_data(fz_context *ctx, fz_colorspace *colorspace, i fz_pixmap *fz_new_pixmap_with_bbox_and_data(fz_context *ctx, fz_colorspace *colorspace, const fz_irect *rect, fz_separations *seps, int alpha, unsigned char *samples); /* + fz_new_pixmap_from_pixmap: Create a new pixmap that represents + a subarea of the specified pixmap. A reference is taken to his + pixmap that will be dropped on destruction. + + The supplied rectangle must be wholly contained within the original + pixmap. + + Returns a pointer to the new pixmap. Throws exception on failure to + allocate. +*/ +fz_pixmap *fz_new_pixmap_from_pixmap(fz_context *ctx, fz_pixmap *pixmap, const fz_irect *rect); + +/* fz_keep_pixmap: Take a reference to a pixmap. pix: The pixmap to increment the reference for. @@ -319,8 +332,6 @@ fz_pixmap *fz_convert_pixmap(fz_context *ctx, fz_pixmap *pix, fz_colorspace *cs_ Bit 0: If set, draw the image with linear interpolation. Bit 1: If set, free the samples buffer when the pixmap is destroyed. - Bit 2: If set, all separations are enabled (ignore the - fields in the seps structure). stride: The byte offset from the data for any given pixel to the data for the same pixel on the row below. @@ -351,12 +362,13 @@ struct fz_pixmap_s int xres, yres; fz_colorspace *colorspace; unsigned char *samples; + fz_pixmap *underlying; }; enum { FZ_PIXMAP_FLAG_INTERPOLATE = 1, - FZ_PIXMAP_FLAG_FREE_SAMPLES = 2, + FZ_PIXMAP_FLAG_FREE_SAMPLES = 2 }; void fz_drop_pixmap_imp(fz_context *ctx, fz_storable *pix); |