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Hack to dar cached image representation on scaled context correctly.

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@27097 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Fred Kiefer 2008-11-19 18:57:24 +00:00
parent 6e3db9142d
commit c18e1e2c12
2 changed files with 40 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2008-11-19 Fred Kiefer <FredKiefer@gmx.de>
* Source/NSCachedImageRep.m(-draw): Add hack to draw on a scaled
context.
2008-11-17 Fred Kiefer <FredKiefer@gmx.de> 2008-11-17 Fred Kiefer <FredKiefer@gmx.de>
* Source/NSBezierPath.m: (-windingCountAtPoint:) Return 0 when the * Source/NSBezierPath.m: (-windingCountAtPoint:) Return 0 when the

37
Source/NSCachedImageRep.m
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@ -32,11 +32,16 @@
using the rect information. using the rect information.
*/ */
// for fabs()
#include <math.h>
#include "config.h" #include "config.h"
#include <Foundation/NSString.h> #include <Foundation/NSString.h>
#include <Foundation/NSException.h> #include <Foundation/NSException.h>
#include <Foundation/NSUserDefaults.h> #include <Foundation/NSUserDefaults.h>
#include "AppKit/NSAffineTransform.h"
#include "AppKit/NSBitmapImageRep.h"
#include "AppKit/NSCachedImageRep.h" #include "AppKit/NSCachedImageRep.h"
#include "AppKit/NSView.h" #include "AppKit/NSView.h"
#include "AppKit/NSWindow.h" #include "AppKit/NSWindow.h"
@ -166,8 +171,36 @@
- (BOOL) draw - (BOOL) draw
{ {
PScomposite(NSMinX(_rect), NSMinY(_rect), NSWidth(_rect), NSHeight(_rect), /*
[_window gState], 0, 0, NSCompositeSourceOver); FIXME: Horrible hack to get drawing on a scaled or rotated
context correct. We need another interface with the backend
to do it properly.
*/
NSGraphicsContext *ctxt = GSCurrentContext();
NSAffineTransform *transform;
NSAffineTransformStruct ts;
transform = [ctxt GSCurrentCTM];
ts = [transform transformStruct];
if (fabs(ts.m11 - 1.0) < 0.01 && fabs(ts.m12) < 0.01
&& fabs(ts.m21) < 0.01 && fabs(ts.m22 - 1.0) < 0.01)
{
PScomposite(NSMinX(_rect), NSMinY(_rect), NSWidth(_rect), NSHeight(_rect),
[_window gState], 0, 0, NSCompositeSourceOver);
}
else
{
NSView *view = [_window contentView];
NSBitmapImageRep *rep;
[view lockFocus];
rep = [[NSBitmapImageRep alloc] initWithFocusedViewRect: _rect];
[view unlockFocus];
[rep draw];
}
return YES; return YES;
} }