Curtis Hard
56 lines
1.3 KiB
Objective-C
56 lines
1.3 KiB
Objective-C
//
|
|
// IJSVGImageLayer.m
|
|
// IJSVGExample
|
|
//
|
|
// Created by Curtis Hard on 07/01/2017.
|
|
// Copyright © 2017 Curtis Hard. All rights reserved.
|
|
//
|
|
|
|
#import "IJSVGImageLayer.h"
|
|
|
|
@implementation IJSVGImageLayer
|
|
|
|
- (id)initWithImage:(NSImage *)image
|
|
{
|
|
NSRect rect = (NSRect){
|
|
.origin = NSZeroPoint,
|
|
.size = image.size
|
|
};
|
|
CGImageRef ref = [image CGImageForProposedRect:&rect
|
|
context:nil
|
|
hints:nil];
|
|
return [self initWithCGImage:ref];
|
|
}
|
|
|
|
- (id)initWithCGImage:(CGImageRef)imageRef
|
|
{
|
|
if((self = [super init]) != nil) {
|
|
// set the contents
|
|
self.contents = (id)imageRef;
|
|
|
|
// make sure we say we need help
|
|
self.requiresBackingScaleHelp = YES;
|
|
self.shouldRasterize = YES;
|
|
|
|
// set the frame, simple stuff
|
|
self.frame = (CGRect){
|
|
.origin = CGPointZero,
|
|
.size = CGSizeMake(CGImageGetWidth(imageRef),
|
|
CGImageGetHeight(imageRef))
|
|
};
|
|
}
|
|
return self;
|
|
}
|
|
|
|
- (void)setNeedsDisplay
|
|
{
|
|
// swap the content around on call
|
|
// because set needs display discards previous
|
|
// content - yolo!
|
|
id oldContent = self.contents;
|
|
[super setNeedsDisplay];
|
|
self.contents = oldContent;
|
|
}
|
|
|
|
@end
|