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Round expose rectangle outwards.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@15717 72102866-910b-0410-8b05-ffd578937521
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alexm 2003-01-26 19:09:33 +00:00
parent e94597a41b
commit ae36bf80c3
2 changed files with 15 additions and 0 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2003-01-26 20:07 Alexander Malmberg <alexander@malmberg.org>
* Source/x11/XWindowBuffer.m (-_exposeRect:): Round rectangle to
expose outwards so all pixels intersected by the expose rectangle
are actually exposed.
2003-01-26 20:04 Alexander Malmberg <alexander@malmberg.org> 2003-01-26 20:04 Alexander Malmberg <alexander@malmberg.org>
* Headers/xlib/XGPrivate.h, Source/art/ARTContext.m, * Headers/xlib/XGPrivate.h, Source/art/ARTContext.m,

9
Source/x11/XWindowBuffer.m
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@ -27,6 +27,7 @@
#include "x11/XWindowBuffer.h" #include "x11/XWindowBuffer.h"
#include <math.h>
#include <sys/ipc.h> #include <sys/ipc.h>
#include <sys/shm.h> #include <sys/shm.h>
@ -318,12 +319,20 @@ rects in the new size before we are updated.
For now, we just intersect with our known size to avoid problems with X. For now, we just intersect with our known size to avoid problems with X.
*/ */
NSRect r2;
r = NSIntersectionRect(r, NSMakeRect(0, 0, r = NSIntersectionRect(r, NSMakeRect(0, 0,
window->xframe.size.width, window->xframe.size.height)); window->xframe.size.width, window->xframe.size.height));
if (NSIsEmptyRect(r)) if (NSIsEmptyRect(r))
return; return;
r2.origin.x=floor(r.origin.x);
r2.origin.y=floor(r.origin.y);
r2.size.width=ceil(r.size.width+r.origin.x-r2.origin.x);
r2.size.height=ceil(r.size.height+r.origin.y-r2.origin.y);
r=r2;
if (use_shm) if (use_shm)
{ {