* Headers/gsc/GSGState.h

* Source/gsc/GSContext.m
        * Source/gsc/GSGState.m
        * Source/cairo/CairoGState.m
        Implement per gstate methods for antialias, patternPhase and
        compositingOperation.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/back/trunk@39026 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,12 @@
+2015-10-03  Fred Kiefer <FredKiefer@gmx.de>
+
+	* Headers/gsc/GSGState.h
+	* Source/gsc/GSContext.m
+	* Source/gsc/GSGState.m
+	* Source/cairo/CairoGState.m
+	Implement per gstate methods for antialias, patternPhase and
+	compositingOperation.
+
 2015-09-20  Fred Kiefer <FredKiefer@gmx.de>
 
 	* Source/cairo/CairoGState.m: Preliminary support for anti alias

Headers/gsc/GSGState.h

@@ -69,6 +69,9 @@ typedef enum {
   NSAffineTransform *textCtm;   /* Text transform - concat with ctm */
   GSTextDrawingMode textMode;
   BOOL viewIsFlipped;
+  BOOL    _antialias;
+  NSPoint _patternPhase;
+  NSCompositingOperation _compositingOperation;
 }
 
 - initWithDrawContext: (GSContext *)context;
@@ -80,6 +83,13 @@ typedef enum {
 - (void) setColor: (device_color_t *)color state: (color_state_t)cState;
 - (void) GSSetPatterColor: (NSImage*)image;
 
+- (void) setShouldAntialias: (BOOL)antialias;
+- (BOOL) shouldAntialias;
+- (NSPoint) patternPhase;
+- (void) setPatternPhase: (NSPoint)phase;
+- (NSCompositingOperation) compositingOperation;
+- (void) setCompositingOperation:(NSCompositingOperation) operation;
+
 - (void) compositeGState: (GSGState *)source
                 fromRect: (NSRect)aRect
                  toPoint: (NSPoint)aPoint

Source/cairo/CairoGState.m

@@ -723,8 +723,7 @@ static inline cairo_filter_t cairoFilterFromNSImageInterpolation(NSImageInterpol
             break;
         }
     }
-  // FIXME: Should be part of the state 
+  cairo_set_antialias(_ct, [self shouldAntialias] ? CAIRO_ANTIALIAS_DEFAULT : CAIRO_ANTIALIAS_NONE);
-  cairo_set_antialias(_ct, [drawcontext shouldAntialias] ? CAIRO_ANTIALIAS_DEFAULT : CAIRO_ANTIALIAS_NONE);
 }
 
 - (void) DPSclip

Source/gsc/GSContext.m

@@ -254,6 +254,36 @@ static NSMapTable *gtable;
   return gstate;
 }
 
+- (void) setShouldAntialias: (BOOL)antialias
+{
+  [gstate setShouldAntialias: antialias];
+}
+
+- (BOOL) shouldAntialias
+{
+  return [gstate shouldAntialias];
+}
+
+- (NSPoint) patternPhase
+{
+  return [gstate patternPhase];
+}
+
+- (void) setPatternPhase: (NSPoint)phase
+{
+  [gstate setPatternPhase: phase];
+}
+
+- (NSCompositingOperation) compositingOperation
+{
+  return [gstate compositingOperation];
+}
+
+- (void) setCompositingOperation: (NSCompositingOperation)operation
+{
+  [gstate setCompositingOperation: operation];
+}
+
 @end
 
 @implementation GSContext (Ops)

Source/gsc/GSGState.m

@@ -143,6 +143,36 @@
   ASSIGN(pattern, image);
 }
 
+- (void) setShouldAntialias: (BOOL)antialias
+{
+  _antialias = antialias;
+}
+
+- (BOOL) shouldAntialias
+{
+  return _antialias;
+}
+
+- (NSPoint) patternPhase
+{
+  return _patternPhase;
+}
+
+- (void) setPatternPhase: (NSPoint)phase
+{
+  _patternPhase = phase;
+}
+
+- (NSCompositingOperation) compositingOperation
+{
+  return _compositingOperation;
+}
+
+- (void) setCompositingOperation: (NSCompositingOperation)operation
+{
+  _compositingOperation = operation;
+}
+
 // This is only a fall back, the method should not be called any more.
 - (void) compositeGState: (GSGState *)source
                 fromRect: (NSRect)aRect
@@ -1285,7 +1315,7 @@ typedef enum {
   [ictm invert];
 
   size = [color_pattern size];
-  patternPhase = [drawcontext patternPhase];
+  patternPhase = [self patternPhase];
 
   if (!NSEqualPoints(patternPhase, NSZeroPoint))
     {