change settings for visual effects

git-svn-id: svn://qnap.local/TwoTerm/trunk@2025 5590a31f-7b70-45f8-8c82-aa3a8e5f4507
2026-04-20 19:16:35 +00:00 · 2011-02-14 16:34:05 +00:00
parent 46ebda708c
commit 4c09c17029
11 changed files with 1370 additions and 704 deletions
@@ -0,0 +1,105 @@
+//
+//  ExampleView.m
+//  2Term
+//
+//  Created by Kelvin Sherlock on 2/6/2011.
+//  Copyright 2011 __MyCompanyName__. All rights reserved.
+//
+
+#import "ExampleView.h"
+
+#import "ScanLineFilter.h"
+#import "CharacterGenerator.h"
+
+@implementation ExampleView
+
+@synthesize lighten = _lighten;
+@synthesize darken = _darken;
+@synthesize blur = _blur;
+@synthesize foregroundColor = _foregroundColor;
+
+
+-(void)awakeFromNib
+{
+    [super awakeFromNib];
+    
+    _foregroundColor = [[NSColor greenColor] retain];
+    _charGenerator = [[CharacterGenerator generator] retain];
+    [self setWantsLayer: YES];
+}
+
+- (void)dealloc
+{
+    [_foregroundColor release];
+    [_charGenerator release];
+    [super dealloc];
+
+}
+
+-(BOOL)isFlipped
+{
+    return YES;
+}
+
+-(void)drawRect:(NSRect)dirtyRect
+{
+    CGFloat paddingLeft = 10.0;
+    CGFloat paddingTop = 10.0;
+    
+    const char *string = "Two Term";
+    
+    NSSize size = [_charGenerator characterSize];
+
+    [super drawRect: dirtyRect];
+    
+    [_foregroundColor set];
+    
+    for (unsigned i = 0; string[i]; ++i)
+    {
+        [_charGenerator drawCharacter: string[i] atPoint: NSMakePoint( i * size.width + paddingLeft, paddingTop)];
+    }
+    
+    // draw inversed on the next line.
+        
+    for (unsigned i = 0; string[i]; ++i)
+    {
+        [_foregroundColor set];        
+        NSRectFill(NSMakeRect( i * size.width + paddingLeft, size.height + paddingTop, size.width, size.height));
+        
+        [_color set];
+        [_charGenerator drawCharacter: string[i] atPoint: NSMakePoint( i * size.width + paddingLeft, size.height + paddingTop)];
+    }    
+}
+
+-(void)updateEffects
+{
+
+    NSMutableArray *filters;
+    CIFilter *filter;
+
+    filters = [NSMutableArray arrayWithCapacity: 3];
+        
+        
+    //add the scanlines
+    
+    filter = [[ScanLineFilter new] autorelease];
+    [filter setValue: [NSNumber numberWithFloat: _darken] forKey: @"inputDarken"];
+    [filter setValue: [NSNumber numberWithFloat: _lighten] forKey: @"inputLighten"];
+    [filters addObject: filter];  
+    
+    //blur it a bit...
+    
+    filter = [CIFilter filterWithName: @"CIGaussianBlur"];
+    [filter setDefaults];
+    [filter setValue: [NSNumber numberWithFloat: _blur] forKey: @"inputRadius"];
+    
+    [filters addObject: filter];
+    
+    
+    
+    [self setContentFilters: filters];   
+
+    
+}
+
+@end