Piotr Caban : wineps: Clip visible rectangle to bitmap size in get_vis_rectangles.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 08386cd984a6ebd116aa97c32bd8fcf14ed9de3e
URL:    https://gitlab.winehq.org/wine/wine/-/commit/08386cd984a6ebd116aa97c32bd8fcf...

Author: Piotr Caban <piotr(a)codeweavers.com>
Date:   Thu Apr 20 14:44:12 2023 +0200

wineps: Clip visible rectangle to bitmap size in get_vis_rectangles.

---

 dlls/wineps.drv/printproc.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dlls/wineps.drv/printproc.c b/dlls/wineps.drv/printproc.c
index b40f7a7962c..0a1f36c82d8 100644
--- a/dlls/wineps.drv/printproc.c
+++ b/dlls/wineps.drv/printproc.c
@@ -378,6 +378,10 @@ static void get_vis_rectangles(HDC hdc, struct bitblt_coords *dst,
     src->width  = rect.right - rect.left;
     src->height = rect.bottom - rect.top;
     get_bounding_rect(&rect, src->x, src->y, src->width, src->height);
+    if (rect.left < 0) rect.left = 0;
+    if (rect.top < 0) rect.top = 0;
+    if (rect.right > width) rect.right = width;
+    if (rect.bottom > height) rect.bottom = height;
     src->visrect = rect;
 
     intersect_vis_rectangles(dst, src);
@@ -413,7 +417,7 @@ static int stretch_blt(PHYSDEV dev, const EMRSTRETCHBLT *blt,
     src.layout = 0;
 
     get_vis_rectangles(dev->hdc, &dst, &blt->xformSrc,
-            bi->bmiHeader.biWidth, bi->bmiHeader.biHeight, &src);
+            bi->bmiHeader.biWidth, abs(bi->bmiHeader.biHeight), &src);
 
     memcpy(dst_info, bi, blt->cbBmiSrc);
     memset(&bits, 0, sizeof(bits));