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