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Commit 747d1631 authored by Alexandre Julliard's avatar Alexandre Julliard
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gdi32: Compute the line parameters using the cropped coordinates to avoid overflows.

parent 76cb174d
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Showing with 3 additions and 3 deletions
dlls/gdi32/dibdrv/objects.c
View file @ 747d1631
......@@ -616,7 +616,7 @@ static BOOL solid_pen_line(dibdrv_physdev *pdev, POINT *start, POINT *end, DWORD
struct line_params line_params;
POINT p1 = crop_coords( *start ), p2 = crop_coords( *end );
init_bres_params( start, end, &clip_params, &line_params, &rect );
init_bres_params( &p1, &p2, &clip_params, &line_params, &rect );
if (!get_clipped_rects( &pdev->dib, &rect, pdev->clip, &clipped_rects )) return TRUE;
for (i = 0; i < clipped_rects.count; i++)
{
......@@ -762,7 +762,7 @@ static BOOL solid_pen_line_region( dibdrv_physdev *pdev, POINT *start, POINT *en
struct line_params line_params;
POINT p1 = crop_coords( *start ), p2 = crop_coords( *end );
init_bres_params( start, end, &clip_params, &line_params, &rect );
init_bres_params( &p1, &p2, &clip_params, &line_params, &rect );
if (clip_rect_to_dib( &pdev->dib, &rect ))
{
POINT clipped_start, clipped_end;
......@@ -1030,7 +1030,7 @@ static BOOL dashed_pen_line(dibdrv_physdev *pdev, POINT *start, POINT *end)
struct line_params line_params;
POINT p1 = crop_coords( *start ), p2 = crop_coords( *end );
init_bres_params( start, end, &clip_params, &line_params, &rect );
init_bres_params( &p1, &p2, &clip_params, &line_params, &rect );
get_clipped_rects( &pdev->dib, &rect, pdev->clip, &clipped_rects );
for (i = 0; i < clipped_rects.count; i++)
{
......
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