[ros-diffs] [reactos] 01/01: [WIN32K] Fix bounds calculation when drawing with a pen

[Jérôme Gardou]

https://git.reactos.org/?p=reactos.git;a=commitdiff;h=2928084e2f86f1b2b3921…

commit 2928084e2f86f1b2b39214dfaf872e76c0561650
Author:     Jérôme Gardou <jerome.gardou(a)reactos.org>
AuthorDate: Tue Mar 24 11:20:58 2020 +0000
Commit:     Jérôme Gardou <zefklop(a)users.noreply.github.com>
CommitDate: Tue Mar 24 14:39:27 2020 +0100

    [WIN32K] Fix bounds calculation when drawing with a pen
---
 win32ss/gdi/ntgdi/line.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/win32ss/gdi/ntgdi/line.c b/win32ss/gdi/ntgdi/line.c
index 5274fa2c228..c922995925d 100644
--- a/win32ss/gdi/ntgdi/line.c
+++ b/win32ss/gdi/ntgdi/line.c
@@ -25,16 +25,16 @@ AddPenLinesBounds(PDC dc, int count, POINT *points)
     pbrLine = dc->dclevel.pbrLine;
     ASSERT(pbrLine);
     
-    lWidth = pbrLine->lWidth;
+    lWidth = 0;
 
     // Setup bounds
     bounds.left = bounds.top = INT_MAX;
     bounds.right = bounds.bottom = INT_MIN;
 
-    if (((pbrLine->ulPenStyle & PS_TYPE_MASK) & PS_GEOMETRIC) || lWidth >
1)
+    if (((pbrLine->ulPenStyle & PS_TYPE_MASK) & PS_GEOMETRIC) ||
(pbrLine->lWidth > 1))
     {
         /* Windows uses some heuristics to estimate the distance from the point that will
be painted */
-        lWidth = lWidth + 2;
+        lWidth = pbrLine->lWidth + 2;
         endcap = (PS_ENDCAP_MASK & pbrLine->ulPenStyle);
         join   = (PS_JOIN_MASK   & pbrLine->ulPenStyle);
         if (join == PS_JOIN_MITER)