diff options
| -rw-r--r-- | source/fitz/pixmap.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/source/fitz/pixmap.c b/source/fitz/pixmap.c index c5a8a8cc..9131a7a1 100644 --- a/source/fitz/pixmap.c +++ b/source/fitz/pixmap.c @@ -89,7 +89,9 @@ fz_new_pixmap_with_data(fz_context *ctx, fz_colorspace *colorspace, int w, int h fz_pixmap * fz_new_pixmap(fz_context *ctx, fz_colorspace *colorspace, int w, int h, int alpha) { - int stride = (fz_colorspace_n(ctx, colorspace) + alpha) * w; + int stride; + if (!colorspace) alpha = 1; + stride = (fz_colorspace_n(ctx, colorspace) + alpha) * w; return fz_new_pixmap_with_data(ctx, colorspace, w, h, alpha, stride, NULL); } @@ -107,7 +109,9 @@ fz_pixmap * fz_new_pixmap_with_bbox_and_data(fz_context *ctx, fz_colorspace *colorspace, const fz_irect *r, int alpha, unsigned char *samples) { int w = r->x1 - r->x0; - int stride = (fz_colorspace_n(ctx, colorspace) + alpha) * w; + int stride; + if (!colorspace) alpha = 1; + stride = (fz_colorspace_n(ctx, colorspace) + alpha) * w; fz_pixmap *pixmap = fz_new_pixmap_with_data(ctx, colorspace, w, r->y1 - r->y0, alpha, stride, samples); pixmap->x = r->x0; pixmap->y = r->y0; |