58 lines
1.5 KiB
Objective-C
58 lines
1.5 KiB
Objective-C
//
|
|
// ScreenView.m
|
|
// Mini vMac
|
|
//
|
|
// Created by Jesús A. Álvarez on 30/04/2016.
|
|
// Copyright © 2016 namedfork. All rights reserved.
|
|
//
|
|
|
|
#import "ScreenView.h"
|
|
#import "CNFGGLOB.h"
|
|
|
|
static ScreenView *sharedScreenView = nil;
|
|
|
|
@implementation ScreenView
|
|
{
|
|
CGImageRef screenImage;
|
|
CGRect screenBounds;
|
|
}
|
|
|
|
- (void)awakeFromNib {
|
|
[super awakeFromNib];
|
|
sharedScreenView = self;
|
|
}
|
|
|
|
+ (instancetype)sharedScreenView {
|
|
return sharedScreenView;
|
|
}
|
|
|
|
- (void)updateScreen:(CGImageRef)newScreenImage {
|
|
CGImageRelease(screenImage);
|
|
screenImage = CGImageRetain(newScreenImage);
|
|
[self setNeedsDisplay];
|
|
}
|
|
|
|
- (void)layoutSubviews {
|
|
CGSize screenSize = CGSizeMake(vMacScreenWidth, vMacScreenHeight);
|
|
CGRect viewBounds = self.bounds;
|
|
CGFloat screenScale = MAX(screenSize.width / viewBounds.size.width, screenSize.height / viewBounds.size.height);
|
|
screenBounds = CGRectMake(0, 0, screenSize.width / screenScale, screenSize.height / screenScale);
|
|
screenBounds.origin.x = (viewBounds.size.width - screenBounds.size.width)/2;
|
|
screenBounds = CGRectIntegral(screenBounds);
|
|
[self setNeedsDisplay];
|
|
}
|
|
|
|
- (void)drawRect:(CGRect)rect {
|
|
// Draw screenImage
|
|
CGImageRef imageRef = CGImageRetain(screenImage);
|
|
if (imageRef) {
|
|
CGContextRef ctx = UIGraphicsGetCurrentContext();
|
|
CGContextTranslateCTM(ctx, 0, screenBounds.size.height);
|
|
CGContextScaleCTM(ctx, 1.0, -1.0);
|
|
CGContextDrawImage(ctx, screenBounds, imageRef);
|
|
CGImageRelease(imageRef);
|
|
}
|
|
}
|
|
|
|
@end
|