141 lines
3.5 KiB
Objective-C
141 lines
3.5 KiB
Objective-C
/*
|
|
Copyright (c) 2010 Ole Begemann
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
of this software and associated documentation files (the "Software"), to deal
|
|
in the Software without restriction, including without limitation the rights
|
|
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
copies of the Software, and to permit persons to whom the Software is
|
|
furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included in
|
|
all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
THE SOFTWARE.
|
|
*/
|
|
|
|
/*
|
|
OBGradientView.m
|
|
|
|
Created by Ole Begemann
|
|
April, 2010
|
|
*/
|
|
|
|
#import "OBGradientView.h"
|
|
|
|
|
|
|
|
#pragma mark -
|
|
#pragma mark Implementation
|
|
|
|
@implementation OBGradientView
|
|
|
|
@dynamic gradientLayer;
|
|
@dynamic colors, locations, startPoint, endPoint, type;
|
|
|
|
|
|
// Make the view's layer a CAGradientLayer instance
|
|
+ (Class)layerClass
|
|
{
|
|
return [CAGradientLayer class];
|
|
}
|
|
|
|
|
|
|
|
// Convenience property access to the layer help omit typecasts
|
|
- (CAGradientLayer *)gradientLayer
|
|
{
|
|
return (CAGradientLayer *)self.layer;
|
|
}
|
|
|
|
|
|
|
|
#pragma mark -
|
|
#pragma mark Gradient-related properties
|
|
|
|
- (NSArray *)colors
|
|
{
|
|
NSArray *cgColors = self.gradientLayer.colors;
|
|
if (cgColors == nil) {
|
|
return nil;
|
|
}
|
|
|
|
// Convert CGColorRefs to UIColor objects
|
|
NSMutableArray *uiColors = [NSMutableArray arrayWithCapacity:[cgColors count]];
|
|
for (id cgColor in cgColors) {
|
|
[uiColors addObject:[UIColor colorWithCGColor:(CGColorRef)cgColor]];
|
|
}
|
|
return [NSArray arrayWithArray:uiColors];
|
|
}
|
|
|
|
|
|
// The colors property accepts an array of CGColorRefs or UIColor objects (or mixes between the two).
|
|
// UIColors are converted to CGColor before forwarding the values to the layer.
|
|
- (void)setColors:(NSArray *)newColors
|
|
{
|
|
NSMutableArray *newCGColors = nil;
|
|
|
|
if (newColors != nil) {
|
|
newCGColors = [NSMutableArray arrayWithCapacity:[newColors count]];
|
|
for (id color in newColors) {
|
|
// If the array contains a UIColor, convert it to CGColor.
|
|
// Leave all other types untouched.
|
|
if ([color isKindOfClass:[UIColor class]]) {
|
|
[newCGColors addObject:(id)[color CGColor]];
|
|
} else {
|
|
[newCGColors addObject:color];
|
|
}
|
|
}
|
|
}
|
|
|
|
self.gradientLayer.colors = newCGColors;
|
|
}
|
|
|
|
|
|
- (NSArray *)locations
|
|
{
|
|
return self.gradientLayer.locations;
|
|
}
|
|
|
|
- (void)setLocations:(NSArray *)newLocations
|
|
{
|
|
self.gradientLayer.locations = newLocations;
|
|
}
|
|
|
|
- (CGPoint)startPoint
|
|
{
|
|
return self.gradientLayer.startPoint;
|
|
}
|
|
|
|
- (void)setStartPoint:(CGPoint)newStartPoint
|
|
{
|
|
self.gradientLayer.startPoint = newStartPoint;
|
|
}
|
|
|
|
- (CGPoint)endPoint
|
|
{
|
|
return self.gradientLayer.endPoint;
|
|
}
|
|
|
|
- (void)setEndPoint:(CGPoint)newEndPoint
|
|
{
|
|
self.gradientLayer.endPoint = newEndPoint;
|
|
}
|
|
|
|
- (NSString *)type
|
|
{
|
|
return self.gradientLayer.type;
|
|
}
|
|
|
|
- (void) setType:(NSString *)newType
|
|
{
|
|
self.gradientLayer.type = newType;
|
|
}
|
|
|
|
@end |