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Fixed many drawing issues (many ones being related to the flipping).

Browse source 
See bug report #27782

In particular, fixed -[NSImage drawXXX] and -[NSImage composite/dissolveXXX] 
methods to work exactly as Cocoa when the Cairo backend is used.
Added a new draw operator (in addition to composite) to the backend. Cairo is 
the only backend that implements it for now.
Eliminated as many flipping checks as possible.

Warning: Untested with the winlib backend. 
You must update, recompile and install both Back and Gui.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@30523 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
qmathe 2010-06-01 11:04:36 +00:00
parent 67adeb4133
commit 0eee79f7b5
9 changed files with 274 additions and 28 deletions
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4
Source/NSImageRep.m
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@ -453,8 +453,6 @@ implement, so we can't do that. */
ctxt = GSCurrentContext();
if (aPoint.x != 0 || aPoint.y != 0)
{
if ([[ctxt focusView] isFlipped])
aPoint.y -= _size.height;
ctm = GSCurrentCTM(ctxt);
DPStranslate(ctxt, aPoint.x, aPoint.y);
reset = 1;
@ -480,8 +478,6 @@ implement, so we can't do that. */
ctxt = GSCurrentContext();
scale = NSMakeSize(NSWidth(aRect) / _size.width,
NSHeight(aRect) / _size.height);
if ([[ctxt focusView] isFlipped])
aRect.origin.y -= NSHeight(aRect);
ctm = GSCurrentCTM(ctxt);
DPStranslate(ctxt, NSMinX(aRect), NSMinY(aRect));
DPSscale(ctxt, scale.width, scale.height);