diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/fitz/image.h | 2 | ||||
| -rw-r--r-- | include/fitz/pixmap.h | 22 |
2 files changed, 16 insertions, 8 deletions
diff --git a/include/fitz/image.h b/include/fitz/image.h index 0ff954c5..ea3ebaa9 100644 --- a/include/fitz/image.h +++ b/include/fitz/image.h @@ -1,5 +1,7 @@ typedef struct fz_image_s fz_image; +/* loadtile will fill a pixmap with the pixel samples. non-premultiplied alpha. */ + struct fz_image_s { fz_error* (*loadtile)(fz_image*,fz_pixmap*); diff --git a/include/fitz/pixmap.h b/include/fitz/pixmap.h index 7b8bfb1e..508a304b 100644 --- a/include/fitz/pixmap.h +++ b/include/fitz/pixmap.h @@ -1,19 +1,25 @@ +/* +pixmaps have n components per pixel. the first is always alpha. +premultiplied alpha when rendering, but non-premultiplied for colorspace +conversions and rescaling. +*/ + typedef struct fz_pixmap_s fz_pixmap; +typedef unsigned char fz_sample; struct fz_pixmap_s { - fz_colorspace *cs; - int x, y, w, h; - int n, a; - int stride; - unsigned char *samples; + int x, y, w, h, n; + fz_sample *samples; }; -fz_error *fz_newpixmap(fz_pixmap **mapp, fz_colorspace *cs, int x, int y, int w, int h, int n, int a); +fz_error *fz_newpixmap(fz_pixmap **mapp, int x, int y, int w, int h, int n); void fz_debugpixmap(fz_pixmap *map); -void fz_freepixmap(fz_pixmap *map); void fz_clearpixmap(fz_pixmap *map); -void fz_convertpixmap(fz_pixmap *src, fz_pixmap *dst); +void fz_freepixmap(fz_pixmap *map); + +fz_error *fz_convertpixmap(fz_pixmap **dstp, fz_pixmap *src, fz_colorspace *srcs, fz_colorspace *dsts); +fz_error *fz_scalepixmap(fz_pixmap **dstp, fz_pixmap *src, int xdenom, int ydenom); void fz_blendover(fz_pixmap *src, fz_pixmap *dst); void fz_blendmask(fz_pixmap *dst, fz_pixmap *color, fz_pixmap *shape); |