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//
// PSMTabDragView.m
// PSMTabBarControl
//
// Created by Kent Sutherland on 6/17/07.
// Copyright 2007 Kent Sutherland. All rights reserved.
//
#import "PSMTabDragView.h"
@implementation PSMTabDragView
- (id)initWithFrame:(NSRect)frame {
if((self = [super initWithFrame:frame])) {
_alpha = 1.0;
}
return self;
}
- (void)dealloc {
[_image release];
[_alternateImage release];
[super dealloc];
}
- (void)drawRect:(NSRect)rect {
//1.0 fade means show the primary image
//0.0 fade means show the secondary image
CGFloat primaryAlpha = _alpha + 0.001f, alternateAlpha = 1.001f - _alpha;
NSRect srcRect;
srcRect.origin = NSZeroPoint;
srcRect.size = [_image size];
[_image drawInRect:[self bounds] fromRect:srcRect operation:NSCompositeSourceOver fraction:primaryAlpha];
srcRect.size = [_alternateImage size];
[_alternateImage drawInRect:[self bounds] fromRect:srcRect operation:NSCompositeSourceOver fraction:alternateAlpha];
}
- (void)setFadeValue:(CGFloat)value {
_alpha = value;
}
- (NSImage *)image {
return _image;
}
- (void)setImage:(NSImage *)image {
[_image release];
_image = [image retain];
}
- (NSImage *)alternateImage {
return _alternateImage;
}
- (void)setAlternateImage:(NSImage *)image {
[_alternateImage release];
_alternateImage = [image retain];
}
@end
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