Small bugfix and performance optimisation.

git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@27735 72102866-910b-0410-8b05-ffd578937521

ChangeLog

@@ -1,3 +1,16 @@
+2009-01-30 Richard Frith-Macdonald <rfm@gnu.org>
+
+	* Source/GSThemeTools.m: Add checks to prevent problems in the case
+	where the control being drawn is actually smaller than the tiles used.
+	* Headers/AppKit/NSScreen.h:
+	* Source/NSScreen.m: Cache device description dictionary ... when
+	debugging the problem with theme tools (which caused a loop to
+	repeatedly composite the tile image instead of doing it once), I
+	noticed that almost every time I stopped the app in gdb, it was in
+	the process of creating a device description, strongly suggesting
+	that this is actually quite a time consuming part of drawing
+	images.
+
 2009-01-30 Richard Frith-Macdonald <rfm@gnu.org>
 
 	* Source/NSApplication.m: Try to get behavior to match MacOS-X

Headers/AppKit/NSScreen.h

@@ -48,6 +48,7 @@
   NSRect               _frame;
   int                  _screenNumber;
   NSWindowDepth		*_supportedWindowDepths;
+  void			*_reserved;
 }
 
 /*

Source/GSThemeTools.m

@@ -476,6 +476,28 @@
   unsigned		count;
   float			y;
 
+  if (rect.size.width <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect width is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (rect.size.height <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect height is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (source.size.width <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] source width is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (source.size.height <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] source height is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (image == nil)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] image is nil",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+
+  ctxt = GSCurrentContext();
   DPSgsave (ctxt);
   path = [NSBezierPath bezierPathWithRect: rect];
   [path addClip];
@@ -500,7 +522,7 @@ withRepeatedImage: (NSImage*)image
 	 fromRect: (NSRect)source
 	   center: (BOOL)center
 {
-  NSGraphicsContext	*ctxt = GSCurrentContext ();
+  NSGraphicsContext	*ctxt;
   NSBezierPath		*path;
   NSSize		size;
   unsigned		xrepetitions;
@@ -508,6 +530,28 @@ withRepeatedImage: (NSImage*)image
   unsigned		x;
   unsigned		y;
 
+  if (rect.size.width <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect width is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (rect.size.height <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect height is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (source.size.width <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] source width is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (source.size.height <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] source height is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (image == nil)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] image is nil",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+
+  ctxt = GSCurrentContext ();
   DPSgsave (ctxt);
   path = [NSBezierPath bezierPathWithRect: rect];
   [path addClip];
@@ -545,9 +589,23 @@ withRepeatedImage: (NSImage*)image
   NSSize		bls = tiles->rects[TileBL].size;
   NSSize		bms = tiles->rects[TileBM].size;
   NSSize		brs = tiles->rects[TileBR].size;
+  NSSize		tsz;
   NSRect		inFill;
   BOOL			flipped = [[ctxt focusView] isFlipped];
 
+  if (rect.size.width <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect width is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (rect.size.height <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect height is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (tiles == nil)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] tiles is nil",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+
   if (color == nil)
     {
       [[NSColor redColor] set];
@@ -558,6 +616,19 @@ withRepeatedImage: (NSImage*)image
     }
   NSRectFill(rect);
 
+  tsz.width = tiles->rects[TileTL].size.width
+    + tiles->rects[TileTR].size.width;
+  if (tiles->images[TileTM] == nil)
+    {
+      tsz.width += tiles->rects[TileTM].size.width;
+    }
+  tsz.height = tiles->rects[TileTL].size.height
+    + tiles->rects[TileBL].size.height;
+  if (tiles->images[TileCL] == nil)
+    {
+      tsz.height += tiles->rects[TileCL].size.height;
+    }
+
   if (style == GSThemeFillStyleMatrix)
     {
       NSRect	grid;
@@ -569,31 +640,21 @@ withRepeatedImage: (NSImage*)image
       inFill = NSZeroRect;
       if (tiles->images[TileTM] == nil)
         {
-	  grid.size.width = (tiles->rects[TileTL].size.width
+	  grid.size.width = tsz.width + space * 3.0;
-	    + tiles->rects[TileTR].size.width
-	    + space * 3.0);
 	}
       else
         {
-	  grid.size.width = (tiles->rects[TileTL].size.width
+	  grid.size.width = tsz.width + space * 4.0;
-	    + tiles->rects[TileTM].size.width
-	    + tiles->rects[TileTR].size.width
-	    + space * 4.0);
 	}
       scale = floor(rect.size.width / grid.size.width);
 
       if (tiles->images[TileCL] == nil)
         {
-	  grid.size.height = (tiles->rects[TileTL].size.height
+	  grid.size.height = tsz.height + space * 3.0;
-	    + tiles->rects[TileBL].size.height
-	    + space * 3.0);
 	}
       else
         {
-	  grid.size.height = (tiles->rects[TileTL].size.height
+	  grid.size.height = tsz.height + space * 4.0;
-	    + tiles->rects[TileCL].size.height
-	    + tiles->rects[TileBL].size.height
-	    + space * 4.0);
 	}
       if ((rect.size.height / grid.size.height) < scale)
         {
@@ -716,6 +777,8 @@ withRepeatedImage: (NSImage*)image
 	operation: NSCompositeSourceOver];
     }
   else if (flipped)
+    {
+      if (tsz.width <= rect.size.width && tsz.height <= rect.size.height)
 	{
 	  [self fillHorizontalRect:
 	    NSMakeRect (rect.origin.x + bls.width,
@@ -775,6 +838,11 @@ withRepeatedImage: (NSImage*)image
 	    rect.origin.y + bms.height,
 	    rect.size.width - cls.width - crs.width,
 	    rect.size.height - bms.height - tms.height);
+	}
+      else
+	{
+	  inFill = rect;
+	}
       if (style == GSThemeFillStyleCenter)
 	{
 	  NSRect	r = tiles->rects[TileCM];
@@ -794,6 +862,8 @@ withRepeatedImage: (NSImage*)image
 	    withRepeatedImage: tiles->images[TileCM]
 	    fromRect: tiles->rects[TileCM]
 	    center: NO];
+	  NSLog(@"rect %@ too small fire tiles %@",
+	    NSStringFromSize(rect.size), NSStringFromSize(tsz));
 	}
       else if (style == GSThemeFillStyleScale)
 	{
@@ -821,6 +891,8 @@ withRepeatedImage: (NSImage*)image
 	}
     }
   else
+    {
+      if (tsz.width <= rect.size.width && tsz.height <= rect.size.height)
 	{
 	  [self fillHorizontalRect:
 	    NSMakeRect(
@@ -888,7 +960,13 @@ withRepeatedImage: (NSImage*)image
 	    rect.origin.y + bms.height,
 	    rect.size.width - cls.width - crs.width,
 	    rect.size.height - bms.height - tms.height);
-
+	}
+      else
+	{
+	  inFill = rect;
+	  NSLog(@"rect %@ too small fire tiles %@",
+	    NSStringFromSize(rect.size), NSStringFromSize(tsz));
+	}
       if (style == GSThemeFillStyleCenter)
 	{
 	  NSRect	r = tiles->rects[TileCM];
@@ -941,12 +1019,33 @@ withRepeatedImage: (NSImage*)image
 		 fromRect: (NSRect)source
 		  flipped: (BOOL)flipped
 {
-  NSGraphicsContext	*ctxt = GSCurrentContext();
+  NSGraphicsContext	*ctxt;
   NSBezierPath		*path;
   unsigned		repetitions;
   unsigned		count;
   NSPoint		p;
 
+  if (rect.size.width <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect width is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (rect.size.height <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] rect height is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (source.size.width <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] source width is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (source.size.height <= 0.0)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] source height is not positive",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  if (image == nil)
+    [NSException raise: NSInvalidArgumentException
+		format: @"[%@-%@] image is nil",
+      NSStringFromClass([self class]), NSStringFromSelector(_cmd)];
+  ctxt = GSCurrentContext();
   DPSgsave (ctxt);
   path = [NSBezierPath bezierPathWithRect: rect];
   [path addClip];

Source/NSScreen.m

@@ -72,7 +72,7 @@ static NSMutableArray *screenArray = nil;
 
 + (void) resetScreens
 {
-  screenArray = nil;
+  DESTROY(screenArray);
 }
 
 /**
@@ -259,6 +259,8 @@ static NSMutableArray *screenArray = nil;
  * </p>
  */
 - (NSDictionary*) deviceDescription
+{
+  if (_reserved == 0)
     {
       NSMutableDictionary	*devDesc;
       int			bps = 0;
@@ -272,7 +274,7 @@ static NSMutableArray *screenArray = nil;
        */
 
       // Set the screen number in the current object.
-  devDesc = [NSMutableDictionary dictionary];
+      devDesc = [[NSMutableDictionary alloc] initWithCapacity: 8];
       [devDesc setObject: [NSNumber numberWithInt: _screenNumber]
 		  forKey: @"NSScreenNumber"];
 
@@ -302,7 +304,10 @@ static NSMutableArray *screenArray = nil;
       [devDesc setObject: colorSpaceName
 		  forKey: NSDeviceColorSpaceName];
 		    
-  return [NSDictionary dictionaryWithDictionary: devDesc];
+      _reserved = (void*)[devDesc copy];
+      RELEASE(devDesc);
+    }
+  return (NSDictionary*)_reserved;
 }
 
 // Mac OS X methods
@@ -393,7 +398,10 @@ static NSMutableArray *screenArray = nil;
     {
       NSZoneFree(NSDefaultMallocZone(), _supportedWindowDepths);
     }
-
+  if (_reserved != 0)
+    {
+      [(id)_reserved release];
+    }
   [super dealloc];
 }