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use clip region in GAL_PixmanBlit

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Vincent Wei
2021-05-03 23:55:10 +08:00
parent 270648fc73
commit 947ce61805
1 changed files with 11 additions and 2 deletions
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13
src/newgal/blit.c
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@@ -441,7 +441,8 @@ static int GAL_PixmanBlit (struct GAL_Surface *src, GAL_Rect *srcrect,
pixman_op_t op;
uint32_t alpha_bits;
int retv = -1;
pixman_region32_t clip_region;
assert (src->tmp_data);
assert (dst->tmp_data);
@@ -483,7 +484,13 @@ static int GAL_PixmanBlit (struct GAL_Surface *src, GAL_Rect *srcrect,
dst_img = src_img;
}
_DBG_PRINTF ("w: %d, h: %d\n", srcrect->w, srcrect->h);
_DBG_PRINTF ("srcrect: %d, %d, %dx%d; dstrect: %d, %d, %dx%d\n",
srcrect->x, srcrect->y, srcrect->w, srcrect->h,
dstrect->x, dstrect->y, dstrect->w, dstrect->h);
pixman_region32_init_rect (&clip_region,
dst->clip_rect.x, dst->clip_rect.y, dst->clip_rect.w, dst->clip_rect.h);
pixman_image_set_clip_region32 (dst_img, &clip_region);
retv = 0;
pixman_image_composite32 (op, src_img, msk_img, dst_img,
@@ -492,6 +499,8 @@ static int GAL_PixmanBlit (struct GAL_Surface *src, GAL_Rect *srcrect,
dstrect->x, dstrect->y,
srcrect->w, srcrect->h);
pixman_region32_fini (&clip_region);
out:
if (msk_img)
pixman_image_unref (msk_img);