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PrettyNavigationBar.m
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PrettyNavigationBar.m
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//
// PrettyNavigationBar.m
// PrettyExample
//
// Created by Víctor on 01/03/12.
// Copyright (c) 2012 Victor Pena Placer (@vicpenap)
// http://www.victorpena.es/
//
//
// 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.
#import "PrettyNavigationBar.h"
#import <QuartzCore/QuartzCore.h>
#import "PrettyDrawing.h"
#import <math.h>
@implementation PrettyNavigationBar
@synthesize shadowOpacity, gradientEndColor, gradientStartColor, topLineColor, bottomLineColor, roundedCornerRadius, roundedCornerColor;
#define default_shadow_opacity 0.5
#define default_gradient_end_color [UIColor colorWithHex:0x297CB7]
#define default_gradient_start_color [UIColor colorWithHex:0x53A4DE]
#define default_top_line_color [UIColor colorWithHex:0x84B7D5]
#define default_bottom_line_color [UIColor colorWithHex:0x186399]
#define default_tint_color [UIColor colorWithHex:0x3D89BF]
#define default_roundedcorner_color [UIColor blackColor]
- (void)dealloc {
self.gradientStartColor = nil;
self.gradientEndColor = nil;
self.topLineColor = nil;
self.bottomLineColor = nil;
self.roundedCornerColor = nil;
[super dealloc];
}
- (void) initializeVars
{
self.contentMode = UIViewContentModeRedraw;
self.shadowOpacity = default_shadow_opacity;
self.gradientStartColor = default_gradient_start_color;
self.gradientEndColor = default_gradient_end_color;
self.topLineColor = default_top_line_color;
self.bottomLineColor = default_bottom_line_color;
self.tintColor = default_tint_color;
self.roundedCornerColor = default_roundedcorner_color;
self.roundedCornerRadius = 0.0;
}
- (id)initWithCoder:(NSCoder *)coder {
self = [super initWithCoder:coder];
if (self) {
[self initializeVars];
}
return self;
}
- (id)initWithFrame:(CGRect)frame {
self = [super initWithFrame:frame];
if (self) {
[self initializeVars];
}
return self;
}
- (id)init {
self = [super init];
if (self) {
[self initializeVars];
}
return self;
}
-(void) drawLeftRoundedCornerAtPoint:(CGPoint)point withRadius:(CGFloat)radius withTransformation:(CGAffineTransform)transform {
// create the path. has to be done this way to allow use of the transform
CGMutablePathRef path = CGPathCreateMutable();
CGPathMoveToPoint(path, &transform, point.x, point.y);
CGPathAddLineToPoint(path, &transform, point.x, point.y + radius);
CGPathAddArc(path, &transform, point.x + radius, point.y + radius, radius, (180) * M_PI/180, (-90) * M_PI/180, 0);
CGPathAddLineToPoint(path, &transform, point.x, point.y);
// fill the path to create the illusion that the corner is rounded
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextAddPath(context, path);
CGContextSetFillColorWithColor(context, [self.roundedCornerColor CGColor]);
CGContextFillPath(context);
// appropriate memory management
CGPathRelease(path);
}
- (void) drawTopLine:(CGRect)rect {
[PrettyDrawing drawLineAtPosition:LinePositionTop rect:rect color:self.topLineColor];
}
- (void) drawBottomLine:(CGRect)rect {
[PrettyDrawing drawLineAtPosition:LinePositionBottom rect:rect color:self.bottomLineColor];
}
- (void) drawRect:(CGRect)rect {
[super drawRect:rect];
[self dropShadowWithOpacity:self.shadowOpacity];
[PrettyDrawing drawGradient:rect fromColor:self.gradientStartColor toColor:self.gradientEndColor];
[self drawTopLine:rect];
[self drawBottomLine:rect];
if (self.roundedCornerRadius > 0) {
// draw the left rounded corner with a transform of 0 because nothing should be changed
[self drawLeftRoundedCornerAtPoint:CGPointMake(0, 0) withRadius:self.roundedCornerRadius withTransformation:CGAffineTransformMakeRotation(0)];
// draw the right rounded corner with a 90degree transform. this means the x and y coords are flipped which means the point must also flip
[self drawLeftRoundedCornerAtPoint:CGPointMake(0, -self.frame.size.width) withRadius:self.roundedCornerRadius withTransformation:CGAffineTransformMakeRotation((90) * M_PI/180)];
}
}
@end