Move sample app, add corner radius and unfinished bevel.

AmazeKit/AmazeKit/AKBevelImageEffect.h

@@ -0,0 +1,21 @@
+//
+//  AKBevelImageEffect.h
+//  AmazeKit
+//
+//  Created by Jeffrey Kelley on 6/12/12.
+//  Copyright (c) 2012 Detroit Labs. All rights reserved.
+//
+
+
+#import "AKImageEffect.h"
+
+
+@interface AKBevelImageEffect : AKImageEffect
+
+// The color of the bevel.
+@property (strong) UIColor	*color;
+
+// The maximum radius of the bevel.
+@property (assign) CGFloat	radius;
+
+@end

AmazeKit/AmazeKit/AKBevelImageEffect.m

@@ -0,0 +1,69 @@
+//
+//  AKBevelImageEffect.m
+//  AmazeKit
+//
+//  Created by Jeffrey Kelley on 6/12/12.
+//  Copyright (c) 2012 Detroit Labs. All rights reserved.
+//
+
+
+#import "AKBevelImageEffect.h"
+
+#import "UIImage+AKPixelData.h"
+
+
+@implementation AKBevelImageEffect
+
+@synthesize color = _color;
+@synthesize radius = _radius;
+
+- (id)init
+{
+	self = [super init];
+
+	if (self) {
+		_radius = 1.0f;
+	}
+
+	return self;
+}
+
+- (UIImage *)renderedImageFromSourceImage:(UIImage *)sourceImage
+{
+	// Get the pixel data of the source image.
+	NSData *pixelData = [sourceImage AK_rawRGBA8888Data];
+
+	uint8_t *rawData = [pixelData bytes];
+
+	NSUInteger width = [sourceImage size].width;
+	NSUInteger height = [sourceImage size].height;
+
+	uint8_t *foo;
+
+	// Create a data buffer to write data into.
+
+	// For every pixel, if it’s transparent and the pixel below it is not, add to the overlay
+	// buffer below according to the radius.
+	for (NSUInteger x = 0; x < width; x++) {
+		for (NSUInteger y = 0; y < height - 1; y++) {
+			// Is the current pixel “lit”?
+			AKPixelData pixelData = AKGetPixelDataFromRGBA8888Data(rawData, width, height, x, y);
+
+			if (pixelData.alpha == 0.0f) {
+				AKPixelData pixelDataUnderneath = AKGetPixelDataFromRGBA8888Data(rawData, width, height, x, y + 1);
+
+				if (pixelDataUnderneath.alpha >= 0.01f) {
+
+				}
+
+				NSUInteger yToInspect = y - 1;
+
+				while (yToInspect >= 0) {
+//					distanceToUnlit++;
+				}
+			}
+		}
+	}
+}
+
+@end

AmazeKit/AmazeKit/AKCornerRadiusImageEffect.h

@@ -0,0 +1,38 @@
+//
+//  AKCornerRadiusImageEffect.h
+//  AmazeKit
+//
+//  Created by Jeffrey Kelley on 6/12/12.
+//  Copyright (c) 2012 Detroit Labs. All rights reserved.
+//
+
+
+#import "AKImageEffect.h"
+
+
+typedef struct {
+    CGFloat topLeft;
+    CGFloat topRight;
+    CGFloat bottomLeft;
+    CGFloat bottomRight;
+} AKCornerRadii;
+
+static inline AKCornerRadii
+AKCornerRadiiMake(CGFloat topLeft, CGFloat topRight, CGFloat bottomLeft, CGFloat bottomRight)
+{
+	AKCornerRadii radii;
+
+	radii.topLeft = topLeft;
+	radii.topRight = topRight;
+	radii.bottomLeft = bottomLeft;
+	radii.bottomRight = bottomRight;
+
+	return radii;
+}
+
+@interface AKCornerRadiusImageEffect : AKImageEffect
+
+// The corner radii can be set independently.
+@property (assign) AKCornerRadii	cornerRadii;
+
+@end

AmazeKit/AmazeKit/AKCornerRadiusImageEffect.m

@@ -0,0 +1,72 @@
+//
+//  AKCornerRadiusImageEffect.m
+//  AmazeKit
+//
+//  Created by Jeffrey Kelley on 6/12/12.
+//  Copyright (c) 2012 Detroit Labs. All rights reserved.
+//
+
+
+#import "AKCornerRadiusImageEffect.h"
+
+
+@implementation AKCornerRadiusImageEffect
+
+@synthesize cornerRadii = _cornerRadii;
+
+- (UIImage *)renderedImageFromSourceImage:(UIImage *)sourceImage
+{
+	CGFloat width = [sourceImage size].width;
+	CGFloat height = [sourceImage size].height;
+
+	// Create the mask image.
+	CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceGray();
+
+	CGContextRef context = CGBitmapContextCreate(NULL,
+												 width,
+												 height,
+												 8,
+												 8 * width,
+												 colorSpace,
+												 kCGImageAlphaNone);
+
+    CGContextBeginPath(context);
+    CGContextSetGrayFillColor(context, 1.0, 0.0);
+    CGContextAddRect(context, CGRectMake(0.0f, 0.0f, width, height));
+    CGContextClosePath(context);
+    CGContextDrawPath(context, kCGPathFill);
+
+    CGContextSetGrayFillColor(context, 1.0, 1.0);
+    CGContextBeginPath(context);
+    CGContextMoveToPoint(context, 0.0f, height / 2.0f);
+    CGContextAddArcToPoint(context, 0.0f, 0.0f, width / 2.0f, 0.0f, [self cornerRadii].bottomLeft);
+    CGContextAddArcToPoint(context, width, 0.0f, width, height / 2.0f, [self cornerRadii].bottomRight);
+    CGContextAddArcToPoint(context, width, height, width / 2.0f, height, [self cornerRadii].topRight);
+    CGContextAddArcToPoint(context, 0.0f, height, 0.0f, height / 2.0f, [self cornerRadii].topLeft);
+    CGContextClosePath(context);
+    CGContextDrawPath(context, kCGPathFill);
+
+	CGImageRef mask = CGBitmapContextCreateImage(context);
+
+	CGContextRelease(context);
+	context = NULL;
+
+	// Render the noise layer on top of the source image.
+	UIGraphicsBeginImageContextWithOptions([sourceImage size], NO, 0.0f);
+	context = UIGraphicsGetCurrentContext();
+
+	CGContextScaleCTM(context, 1.0f, -1.0f);
+	CGContextTranslateCTM(context, 0.0f, -height);
+
+	CGImageRef maskedOriginalImage = CGImageCreateWithMask([sourceImage CGImage], mask);
+	CGContextDrawImage(context, CGRectMake(0.0f, 0.0f, width, height), maskedOriginalImage);
+
+	UIImage *renderedImage = UIGraphicsGetImageFromCurrentImageContext();
+
+	UIGraphicsEndImageContext();
+	context = NULL;
+
+	return renderedImage;
+}
+
+@end

AmazeKit/AmazeKit/AmazeKit.h

@@ -9,7 +9,9 @@
 
 // Image Effects
 #import "AKImageEffect.h"
+#import "AKBevelImageEffect.h"
 #import "AKColorImageEffect.h"
+#import "AKCornerRadiusImageEffect.h"
 #import "AKGradientImageEffect.h"
 #import "AKNoiseImageEffect.h"
 

AmazeKit/AmazeKit/UIImage+AKPixelData.h

@@ -10,8 +10,21 @@
 #import <UIKit/UIKit.h>
 
 
+// Helper C functions
+typedef struct {
+	CGFloat red;
+	CGFloat blue;
+	CGFloat green;
+	CGFloat alpha;
+} AKPixelData;
+
+
+AKPixelData AKGetPixelDataFromRGBA8888Data(uint8_t *rawData, NSUInteger width, NSUInteger height,
+										   NSUInteger x, NSUInteger y);
+
+
 @interface UIImage (AKPixelData)
 
-- (NSData *)AK_rawARGB8888Data;
+- (NSData *)AK_rawRGBA8888Data;
 
 @end

AmazeKit/AmazeKit/UIImage+AKPixelData.m

@@ -12,7 +12,7 @@
 
 @implementation UIImage (AKPixelData)
 
-- (NSData *)AK_rawARGB8888Data
+- (NSData *)AK_rawRGBA8888Data
 {
 	// First get the image into your data buffer
     CGImageRef imageRef = [self CGImage];
@@ -48,3 +48,22 @@ - (NSData *)AK_rawARGB8888Data
 }
 
 @end
+
+AKPixelData AKGetPixelDataFromRGBA8888Data(uint8_t *rawData, NSUInteger width, NSUInteger height,
+										   NSUInteger x, NSUInteger y)
+{
+	int bytesPerPixel = 4; // ARGB8888
+	int bytesPerRow = bytesPerPixel * width;
+
+	int byteIndex = (bytesPerRow * y) + x * bytesPerPixel;
+
+	AKPixelData pixelData;
+
+	pixelData.red   = ((CGFloat)rawData[byteIndex] / 255.0f);
+	pixelData.green = ((CGFloat)rawData[byteIndex + 1] / 255.0f);
+	pixelData.blue  = ((CGFloat)rawData[byteIndex + 2] / 255.0f);
+	pixelData.alpha = ((CGFloat)rawData[byteIndex + 3] / 255.0f);
+
+	return pixelData;
+}
+

SmapleApp/SmapleApp/AKAppDelegate.h → AmazeKit/SampleApp/AKAppDelegate.h

@@ -1,6 +1,6 @@
 //
 //  AKAppDelegate.h
-//  SmapleApp
+//  SampleApp
 //
 //  Created by Jeffrey Kelley on 6/12/12.
 //  Copyright (c) 2012 Detroit Labs. All rights reserved.

SmapleApp/SmapleApp/AKAppDelegate.m → AmazeKit/SampleApp/AKAppDelegate.m

@@ -1,6 +1,6 @@
 //
 //  AKAppDelegate.m
-//  SmapleApp
+//  SampleApp
 //
 //  Created by Jeffrey Kelley on 6/12/12.
 //  Copyright (c) 2012 Detroit Labs. All rights reserved.

SmapleApp/SmapleApp/AKViewController.m → AmazeKit/SampleApp/AKViewController.m

@@ -52,12 +52,17 @@ - (void)viewDidLoad
 										   blue:255.0f / 255.0f
 										  alpha:1.0f]];
 
+	// Corner Radius Effect
+	AKCornerRadiusImageEffect *cornerRadiusEffect = [[AKCornerRadiusImageEffect alloc] init];
+	[cornerRadiusEffect setCornerRadii:AKCornerRadiiMake(50.0f, 10.0f, 10.0f, 5.0f)];
+
 	[gradientEffect setColors:[NSArray arrayWithObjects:beginColor, endColor, nil]];
 
 	[renderer setImageEffects:[NSArray arrayWithObjects:
 							   noiseEffect,
 							   gradientEffect,
 							   colorEffect,
+							   cornerRadiusEffect,
 							   nil]];
 
 	UIImage *image = [renderer imageWithSize:[imageView frame].size

SmapleApp/SmapleApp/SmapleApp-Prefix.pch → AmazeKit/SampleApp/SampleApp-Prefix.pch

@@ -1,5 +1,5 @@
 //
-// Prefix header for all source files of the 'SmapleApp' target in the 'SmapleApp' project
+// Prefix header for all source files of the 'SampleApp' target in the 'SampleApp' project
 //
 
 #import <Availability.h>

SmapleApp/SmapleApp/main.m → AmazeKit/SampleApp/main.m

@@ -1,6 +1,6 @@
 //
 //  main.m
-//  SmapleApp
+//  SampleApp
 //
 //  Created by Jeffrey Kelley on 6/12/12.
 //  Copyright (c) 2012 Detroit Labs. All rights reserved.