- Replace the precompiled PSMTabBar framework with a build-from-source dependency, in preparation for future code and style changes

1 files changed, 127 insertions, 0 deletions

diff --git a/Frameworks/PSMTabBar/NSBezierPath_AMShading.m b/Frameworks/PSMTabBar/NSBezierPath_AMShading.m
new file mode 100755
index 00000000..73213f3b
--- /dev/null
+++ b/Frameworks/PSMTabBar/NSBezierPath_AMShading.m
@@ -0,0 +1,127 @@
+//
+//  NSBezierPath_AMShading.m
+//  ------------------------
+//
+//  Created by Andreas on 2005-06-01.
+//  Copyright 2005 Andreas Mayer. All rights reserved.
+//
+
+#import "NSBezierPath_AMShading.h"
+
+
+@implementation NSBezierPath (AMShading)
+
+static void linearShadedColor(void *info, const CGFloat *in, CGFloat *out)
+{
+	CGFloat *colors = (CGFloat *)info;
+	*out++ = colors[0] + *in * colors[8];
+	*out++ = colors[1] + *in * colors[9];
+	*out++ = colors[2] + *in * colors[10];
+	*out++ = colors[3] + *in * colors[11];
+}
+
+static void bilinearShadedColor(void *info, const CGFloat *in, CGFloat *out)
+{
+	CGFloat *colors = (CGFloat *)info;
+	CGFloat factor = (*in)*2.0;
+	if (*in > 0.5) {
+		factor = 2-factor;
+	}
+	*out++ = colors[0] + factor * colors[8];
+	*out++ = colors[1] + factor * colors[9];
+	*out++ = colors[2] + factor * colors[10];
+	*out++ = colors[3] + factor * colors[11];
+}
+
+- (void)linearGradientFillWithStartColor:(NSColor *)startColor endColor:(NSColor *)endColor
+{
+	static const CGFunctionCallbacks callbacks = {0, &linearShadedColor, NULL};
+	
+	[self customHorizontalFillWithCallbacks:callbacks firstColor:startColor secondColor:endColor];
+}
+
+- (void)linearVerticalGradientFillWithStartColor:(NSColor *)startColor endColor:(NSColor *)endColor
+{
+	static const CGFunctionCallbacks callbacks = {0, &linearShadedColor, NULL};
+	
+	[self customVerticalFillWithCallbacks:callbacks firstColor:startColor secondColor:endColor];
+}
+
+- (void)bilinearGradientFillWithOuterColor:(NSColor *)outerColor innerColor:(NSColor *)innerColor
+{
+	static const CGFunctionCallbacks callbacks = {0, &bilinearShadedColor, NULL};
+
+	[self customHorizontalFillWithCallbacks:callbacks firstColor:innerColor secondColor:outerColor];
+}
+
+- (void)customFillWithCallbacks:(CGFunctionCallbacks)functionCallbacks firstColor:(NSColor *)firstColor secondColor:(NSColor *)secondColor startPoint:(CGPoint)startPoint endPoint:(CGPoint)endPoint
+{
+	CGColorSpaceRef colorspace;
+	CGShadingRef shading;
+	CGFunctionRef function;
+	CGFloat colors[12]; // pointer to color values
+	
+	// get my context
+	CGContextRef currentContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
+	
+	NSColor *deviceDependentFirstColor = [firstColor colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+	NSColor *deviceDependentSecondColor = [secondColor colorUsingColorSpaceName:NSDeviceRGBColorSpace];
+	
+	// set up colors for gradient
+	colors[0] = [deviceDependentFirstColor redComponent];
+	colors[1] = [deviceDependentFirstColor greenComponent];
+	colors[2] = [deviceDependentFirstColor blueComponent];
+	colors[3] = [deviceDependentFirstColor alphaComponent];
+	
+	colors[4] = [deviceDependentSecondColor redComponent];
+	colors[5] = [deviceDependentSecondColor greenComponent];
+	colors[6] = [deviceDependentSecondColor blueComponent];
+	colors[7] = [deviceDependentSecondColor alphaComponent];
+	
+	// difference between start and end color for each color components
+	colors[8] = (colors[4]-colors[0]);
+	colors[9] = (colors[5]-colors[1]);
+	colors[10] = (colors[6]-colors[2]);
+	colors[11] = (colors[7]-colors[3]);
+	
+	// draw gradient
+	colorspace = CGColorSpaceCreateDeviceRGB();
+	size_t components = 1 + CGColorSpaceGetNumberOfComponents(colorspace);
+	static const CGFloat  domain[2] = {0.0, 1.0};
+	static const CGFloat  range[10] = {0, 1, 0, 1, 0, 1, 0, 1, 0, 1};
+	//static const CGFunctionCallbacks callbacks = {0, &bilinearShadedColor, NULL};
+	
+	// Create a CGFunctionRef that describes a function taking 1 input and kChannelsPerColor outputs.
+	function = CGFunctionCreate(colors, 1, domain, components, range, &functionCallbacks);
+
+	shading = CGShadingCreateAxial(colorspace, startPoint, endPoint, function, NO, NO);
+	
+	CGContextSaveGState(currentContext);
+	[self addClip];
+	CGContextDrawShading(currentContext, shading);
+	CGContextRestoreGState(currentContext);
+	
+	CGShadingRelease(shading);
+	CGFunctionRelease(function);
+	CGColorSpaceRelease(colorspace);
+}
+
+- (void)customHorizontalFillWithCallbacks:(CGFunctionCallbacks)functionCallbacks firstColor:(NSColor *)firstColor secondColor:(NSColor *)secondColor
+{
+	[self customFillWithCallbacks:functionCallbacks 
+					   firstColor:firstColor
+					  secondColor:secondColor
+					   startPoint:CGPointMake(0, NSMinY([self bounds]))
+						 endPoint:CGPointMake(0, NSMaxY([self bounds]))];
+}
+
+- (void)customVerticalFillWithCallbacks:(CGFunctionCallbacks)functionCallbacks firstColor:(NSColor *)firstColor secondColor:(NSColor *)secondColor
+{
+	[self customFillWithCallbacks:functionCallbacks 
+					   firstColor:firstColor
+					  secondColor:secondColor
+					   startPoint:CGPointMake(NSMinX([self bounds]), 0)
+						 endPoint:CGPointMake(NSMaxX([self bounds]), 0)];
+}
+
+@end