diff options
Diffstat (limited to 'source/fitz/halftone.c')
| -rw-r--r-- | source/fitz/halftone.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/source/fitz/halftone.c b/source/fitz/halftone.c index 705d4718..8cc48a14 100644 --- a/source/fitz/halftone.c +++ b/source/fitz/halftone.c @@ -172,6 +172,11 @@ static void do_threshold_1(unsigned char *ht_line, unsigned char *pixmap, unsign fz_bitmap *fz_new_bitmap_from_pixmap(fz_context *ctx, fz_pixmap *pix, fz_halftone *ht) { + return fz_new_bitmap_from_pixmap_band(ctx, pix, ht, 0, 0); +} + +fz_bitmap *fz_new_bitmap_from_pixmap_band(fz_context *ctx, fz_pixmap *pix, fz_halftone *ht, int band, int bandheight) +{ fz_bitmap *out = NULL; unsigned char *ht_line = NULL; unsigned char *o, *p; @@ -186,6 +191,7 @@ fz_bitmap *fz_new_bitmap_from_pixmap(fz_context *ctx, fz_pixmap *pix, fz_halfton fz_var(ht_line); fz_var(out); + band *= bandheight; n = pix->n-1; /* Remove alpha */ if (ht == NULL) { @@ -200,7 +206,7 @@ fz_bitmap *fz_new_bitmap_from_pixmap(fz_context *ctx, fz_pixmap *pix, fz_halfton h = pix->h; x = pix->x; - y = pix->y; + y = pix->y + band; w = pix->w; ostride = out->stride; pstride = pix->w * pix->n; |