//
//  DSImageCategories.m
//  Shared categories
//
//  Created by David Sinclair on Fri Oct 11 2002.
//  Copyright © 2002 - 2007 Dejal Systems, LLC. All rights reserved.
//
//  Redistribution and use in source and binary forms, with or without modification,
//  are permitted provided that the following conditions are met:
//  
//  Redistributions of source code must retain this list of conditions and the following disclaimer.
//  
//  The name of Dejal Systems, LLC may not be used to endorse or promote products derived from this
//  software without specific prior written permission.
//  
//  THIS SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
//  INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
//  PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE AUTHORS OR
//  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
//  ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
//  SOFTWARE OR THE USE OR OTHER DEALINGS IN THIS SOFTWARE.
//

#import "DSImageCategories.h"


@implementation NSImage (DSImageCategories)

- (void)drawFlippedInRect:(NSRect)rect operation:(NSCompositingOperation)op fraction:(float)delta
{
    CGContextRef context;

    context = [[NSGraphicsContext currentContext] graphicsPort];
    CGContextSaveGState(context);

    {
        CGContextTranslateCTM(context, 0, NSMaxY(rect));
        CGContextScaleCTM(context, 1, -1);

        rect.origin.y = 0;
        [self drawInRect:rect fromRect:NSZeroRect operation:op fraction:delta];
    }

    CGContextRestoreGState(context);
}

- (void)drawFlippedInRect:(NSRect)rect operation:(NSCompositingOperation)op
{
    [self drawFlippedInRect:rect operation:op fraction:1.0];
}

- (void)applyBadge:(NSImage*)badge withAlpha:(float)alpha scale:(float)scale
{
    NSImage *newBadge;
    if (!badge)
        return;

    newBadge = [[badge copy] autorelease];
    [newBadge setScalesWhenResized:YES];
    [newBadge setSize:NSMakeSize([self size].width * scale,[self size].height * scale)];

    [self lockFocus];
    [[NSGraphicsContext currentContext] setImageInterpolation:NSImageInterpolationHigh];
    [newBadge dissolveToPoint:NSMakePoint([self size].width - [newBadge size].width,0) fraction:alpha];
    [self unlockFocus];
}

@end