From da0dfab07a3e5f0eb80dac5cc32bba8cc5d82473 Mon Sep 17 00:00:00 2001 From: Sebastian Rasmussen Date: Sat, 29 Oct 2016 20:27:45 +0800 Subject: Always create colorless pixmaps with alpha. --- source/fitz/pixmap.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'source/fitz/pixmap.c') 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; -- cgit v1.2.3