131 lines
2.8 KiB
Objective-C
131 lines
2.8 KiB
Objective-C
//
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// ExampleView.m
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// 2Term
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//
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// Created by Kelvin Sherlock on 2/6/2011.
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// Copyright 2011 __MyCompanyName__. All rights reserved.
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//
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#import "ExampleView.h"
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#import "ScanLineFilter.h"
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#import "CharacterGenerator.h"
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@implementation ExampleView
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@synthesize lighten = _lighten;
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@synthesize darken = _darken;
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@synthesize blur = _blur;
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@synthesize vignette = _vignette;
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@synthesize bloom = _bloom;
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@synthesize foregroundColor = _foregroundColor;
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-(void)awakeFromNib
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{
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[super awakeFromNib];
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_foregroundColor = [[NSColor greenColor] retain];
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_charGenerator = [[CharacterGenerator generator] retain];
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[self setWantsLayer: YES];
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}
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- (void)dealloc
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{
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[_foregroundColor release];
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[_charGenerator release];
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[super dealloc];
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}
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-(BOOL)isFlipped
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{
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return YES;
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}
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-(void)drawRect:(NSRect)dirtyRect
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{
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CGFloat paddingLeft = 10.0;
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CGFloat paddingTop = 10.0;
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const char *string = "Two Term";
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NSSize size = [_charGenerator characterSize];
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[super drawRect: dirtyRect];
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[_foregroundColor set];
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for (unsigned i = 0; string[i]; ++i)
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{
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[_charGenerator drawCharacter: string[i] atPoint: NSMakePoint( i * size.width + paddingLeft, paddingTop)];
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}
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// draw inversed on the next line.
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for (unsigned i = 0; string[i]; ++i)
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{
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[_foregroundColor set];
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NSRectFill(NSMakeRect( i * size.width + paddingLeft, size.height + paddingTop, size.width, size.height));
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[_color set];
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[_charGenerator drawCharacter: string[i] atPoint: NSMakePoint( i * size.width + paddingLeft, size.height + paddingTop)];
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}
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}
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-(void)updateEffects
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{
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NSMutableArray *filters;
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CIFilter *filter;
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filters = [NSMutableArray arrayWithCapacity: 5];
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// vignette effect
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filter = [CIFilter filterWithName: @"CIVignette"];
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[filter setDefaults];
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[filter setValue: @(_vignette) forKey: @"inputIntensity"];
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[filter setValue: @(1.0) forKey: @"inputRadius"];
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[filters addObject: filter];
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//add the scanlines
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filter = [[ScanLineFilter new] autorelease];
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[filter setValue: @(_darken) forKey: @"inputDarken"];
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[filter setValue: @(_lighten) forKey: @"inputLighten"];
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[filters addObject: filter];
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// bloom it...
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filter = [CIFilter filterWithName: @"CIBloom"];
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[filter setDefaults];
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[filter setValue: @2.0 forKey: @"inputRadius"];
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[filter setValue: @(_bloom) forKey: @"inputIntensity"];
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[filters addObject: filter];
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#if 0
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//blur it a bit...
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filter = [CIFilter filterWithName: @"CIGaussianBlur"];
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[filter setDefaults];
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[filter setValue: @(_blur) forKey: @"inputRadius"];
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[filters addObject: filter];
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#endif
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[self setContentFilters: filters];
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}
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@end
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