1 files changed, 79 insertions, 0 deletions
diff --git a/Frameworks/BWToolkitFramework.framework/NSColor+BWAdditions.m b/Frameworks/BWToolkitFramework.framework/NSColor+BWAdditions.m
new file mode 100644
index 00000000..4482bd16
--- /dev/null
+++ b/Frameworks/BWToolkitFramework.framework/NSColor+BWAdditions.m
@@ -0,0 +1,79 @@
+//
+//  NSColor+PixelWideLines.m
+//  BWToolkit
+//
+//  Created by Brandon Walkin (www.brandonwalkin.com)
+//  All code is provided under the New BSD license.
+//
+
+#import "NSColor+BWAdditions.h"
+
+@implementation NSColor (BWAdditions)
+
+//  Use this method to draw 1 px wide lines independent of scale factor. Handy for resolution independent drawing. Still needs some work - there are issues with drawing at the edges of views.
+- (void)drawPixelThickLineAtPosition:(int)posInPixels withInset:(int)insetInPixels inRect:(NSRect)aRect inView:(NSView *)view horizontal:(BOOL)isHorizontal flip:(BOOL)shouldFlip
+{
+	// Convert the given rectangle from points to pixels
+	aRect = [view convertRectToBase:aRect];
+	
+	// Round up the rect's values to integers
+	aRect = NSIntegralRect(aRect);
+	
+	// Add or subtract 0.5 so the lines are drawn within pixel bounds 
+	if (isHorizontal)
+	{
+		if ([view isFlipped])
+			aRect.origin.y -= 0.5;
+		else
+			aRect.origin.y += 0.5;
+	}
+	else
+	{
+		aRect.origin.x += 0.5;
+	}
+	
+	NSSize sizeInPixels = aRect.size;
+	
+	// Convert the rect back to points for drawing
+	aRect = [view convertRectFromBase:aRect];
+	
+	// Flip the position so it's at the other side of the rect
+	if (shouldFlip)
+	{
+		if (isHorizontal)
+			posInPixels = sizeInPixels.height - posInPixels - 1;
+		else
+			posInPixels = sizeInPixels.width - posInPixels - 1;
+	}
+	
+	float posInPoints = posInPixels / [[NSScreen mainScreen] userSpaceScaleFactor];
+	float insetInPoints = insetInPixels / [[NSScreen mainScreen] userSpaceScaleFactor];
+	
+	// Calculate line start and end points
+	float startX, startY, endX, endY;
+	
+	if (isHorizontal)
+	{
+		startX = aRect.origin.x + insetInPoints;
+		startY = aRect.origin.y + posInPoints;
+		endX   = aRect.origin.x + aRect.size.width - insetInPoints;
+		endY   = aRect.origin.y + posInPoints;
+	}
+	else
+	{
+		startX = aRect.origin.x + posInPoints;
+		startY = aRect.origin.y + insetInPoints;
+		endX   = aRect.origin.x + posInPoints;
+		endY   = aRect.origin.y + aRect.size.height - insetInPoints;
+	}
+	
+	// Draw line
+	NSBezierPath *path = [NSBezierPath bezierPath];
+	[path setLineWidth:0.0f];
+	[path moveToPoint:NSMakePoint(startX,startY)];
+	[path lineToPoint:NSMakePoint(endX,endY)];
+	[self set];
+	[path stroke];
+}
+
+@end