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project_files/HedgewarsMobile/Classes/MGSplitViewController/MGSplitCornersView.m
changeset 6908 896ed2afcfb8
parent 6659 a6030b32b222
child 8441 a00b0fa0dbd7
equal deleted inserted replaced
6907:a2f9a9a62dc5 6908:896ed2afcfb8 
     5 //  Created by Matt Gemmell on 28/07/2010.
 
     5 //  Created by Matt Gemmell on 28/07/2010.
 
     6 //  Copyright 2010 Instinctive Code.
 
     6 //  Copyright 2010 Instinctive Code.
 
     7 //
 
     7 //
 
     8 
     8 
     9 #import "MGSplitCornersView.h"
 
     9 #import "MGSplitCornersView.h"
 
    10 
    10 #import "CGPointUtils.h"
 
    11 
    11 
    12 @implementation MGSplitCornersView
 
    12 @implementation MGSplitCornersView
 
    13 
    13 
    14 
    14 
    15 #pragma mark -
 
    15 #pragma mark -
 
    34 - (void)dealloc
 
    34 - (void)dealloc
 
    35 {
 
    35 {
 
    36 	self.cornerBackgroundColor = nil;
 
    36 	self.cornerBackgroundColor = nil;
 
    37 	
    37 	
    38 	[super dealloc];
 
    38 	[super dealloc];
 
    39 }
 
       
    40 
       
    41 
       
    42 #pragma mark -
 
       
    43 #pragma mark Geometry helpers
 
       
    44 
       
    45 
       
    46 double deg2Rad(double degrees)
 
       
    47 {
 
       
    48 	// Converts degrees to radians.
 
       
    49 	return degrees * (M_PI / 180.0);
 
       
    50 }
 
       
    51 
       
    52 
       
    53 double rad2Deg(double radians)
 
       
    54 {
 
       
    55 	// Converts radians to degrees.
 
       
    56 	return radians * (180 / M_PI);
 
       
    57 }
 
    39 }
 
    58 
    40 
    59 
    41 
    60 #pragma mark -
 
    42 #pragma mark -
 
    61 #pragma mark Drawing
 
    43 #pragma mark Drawing
 
    76 		CGPoint pt = CGPointZero;
 
    58 		CGPoint pt = CGPointZero;
 
    77 		switch (cornersPosition) {
 
    59 		switch (cornersPosition) {
 
    78 			case MGCornersPositionLeadingVertical: // top of screen for a left/right split
 
    60 			case MGCornersPositionLeadingVertical: // top of screen for a left/right split
 
    79 				[path moveToPoint:pt];
 
    61 				[path moveToPoint:pt];
 
    80 				pt.y += cornerRadius;
 
    62 				pt.y += cornerRadius;
 
    81 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(90) endAngle:0 clockwise:YES]];
 
    63 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(90) endAngle:0 clockwise:YES]];
 
    82 				pt.x += cornerRadius;
 
    64 				pt.x += cornerRadius;
 
    83 				pt.y -= cornerRadius;
 
    65 				pt.y -= cornerRadius;
 
    84 				[path addLineToPoint:pt];
 
    66 				[path addLineToPoint:pt];
 
    85 				[path addLineToPoint:CGPointZero];
 
    67 				[path addLineToPoint:CGPointZero];
 
    86 				[path closePath];
 
    68 				[path closePath];
 
    89 				pt.y = 0;
 
    71 				pt.y = 0;
 
    90 				[path moveToPoint:pt];
 
    72 				[path moveToPoint:pt];
 
    91 				pt.y = maxY;
 
    73 				pt.y = maxY;
 
    92 				[path addLineToPoint:pt];
 
    74 				[path addLineToPoint:pt];
 
    93 				pt.x += cornerRadius;
 
    75 				pt.x += cornerRadius;
 
    94 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(180) endAngle:deg2Rad(90) clockwise:YES]];
 
    76 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(180) endAngle:degreesToRadians(90) clockwise:YES]];
 
    95 				pt.y -= cornerRadius;
 
    77 				pt.y -= cornerRadius;
 
    96 				[path addLineToPoint:pt];
 
    78 				[path addLineToPoint:pt];
 
    97 				pt.x -= cornerRadius;
 
    79 				pt.x -= cornerRadius;
 
    98 				[path addLineToPoint:pt];
 
    80 				[path addLineToPoint:pt];
 
    99 				[path closePath];
 
    81 				[path closePath];
 
   102 				
    84 				
   103 			case MGCornersPositionTrailingVertical: // bottom of screen for a left/right split
 
    85 			case MGCornersPositionTrailingVertical: // bottom of screen for a left/right split
 
   104 				pt.y = maxY;
 
    86 				pt.y = maxY;
 
   105 				[path moveToPoint:pt];
 
    87 				[path moveToPoint:pt];
 
   106 				pt.y -= cornerRadius;
 
    88 				pt.y -= cornerRadius;
 
   107 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(270) endAngle:deg2Rad(360) clockwise:NO]];
 
    89 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(270) endAngle:degreesToRadians(360) clockwise:NO]];
 
   108 				pt.x += cornerRadius;
 
    90 				pt.x += cornerRadius;
 
   109 				pt.y += cornerRadius;
 
    91 				pt.y += cornerRadius;
 
   110 				[path addLineToPoint:pt];
 
    92 				[path addLineToPoint:pt];
 
   111 				pt.x -= cornerRadius;
 
    93 				pt.x -= cornerRadius;
 
   112 				[path addLineToPoint:pt];
 
    94 				[path addLineToPoint:pt];
 
   116 				pt.y = maxY;
 
    98 				pt.y = maxY;
 
   117 				[path moveToPoint:pt];
 
    99 				[path moveToPoint:pt];
 
   118 				pt.y -= cornerRadius;
 
   100 				pt.y -= cornerRadius;
 
   119 				[path addLineToPoint:pt];
 
   101 				[path addLineToPoint:pt];
 
   120 				pt.x += cornerRadius;
 
   102 				pt.x += cornerRadius;
 
   121 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(180) endAngle:deg2Rad(270) clockwise:NO]];
 
   103 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(180) endAngle:degreesToRadians(270) clockwise:NO]];
 
   122 				pt.y += cornerRadius;
 
   104 				pt.y += cornerRadius;
 
   123 				[path addLineToPoint:pt];
 
   105 				[path addLineToPoint:pt];
 
   124 				pt.x -= cornerRadius;
 
   106 				pt.x -= cornerRadius;
 
   125 				[path addLineToPoint:pt];
 
   107 				[path addLineToPoint:pt];
 
   126 				[path closePath];
 
   108 				[path closePath];
 
   132 				pt.y = cornerRadius;
 
   114 				pt.y = cornerRadius;
 
   133 				[path moveToPoint:pt];
 
   115 				[path moveToPoint:pt];
 
   134 				pt.y -= cornerRadius;
 
   116 				pt.y -= cornerRadius;
 
   135 				[path addLineToPoint:pt];
 
   117 				[path addLineToPoint:pt];
 
   136 				pt.x += cornerRadius;
 
   118 				pt.x += cornerRadius;
 
   137 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(180) endAngle:deg2Rad(270) clockwise:NO]];
 
   119 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(180) endAngle:degreesToRadians(270) clockwise:NO]];
 
   138 				pt.y += cornerRadius;
 
   120 				pt.y += cornerRadius;
 
   139 				[path addLineToPoint:pt];
 
   121 				[path addLineToPoint:pt];
 
   140 				pt.x -= cornerRadius;
 
   122 				pt.x -= cornerRadius;
 
   141 				[path addLineToPoint:pt];
 
   123 				[path addLineToPoint:pt];
 
   142 				[path closePath];
 
   124 				[path closePath];
 
   145 				pt.y = maxY - cornerRadius;
 
   127 				pt.y = maxY - cornerRadius;
 
   146 				[path moveToPoint:pt];
 
   128 				[path moveToPoint:pt];
 
   147 				pt.y = maxY;
 
   129 				pt.y = maxY;
 
   148 				[path addLineToPoint:pt];
 
   130 				[path addLineToPoint:pt];
 
   149 				pt.x += cornerRadius;
 
   131 				pt.x += cornerRadius;
 
   150 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(180) endAngle:deg2Rad(90) clockwise:YES]];
 
   132 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(180) endAngle:degreesToRadians(90) clockwise:YES]];
 
   151 				pt.y -= cornerRadius;
 
   133 				pt.y -= cornerRadius;
 
   152 				[path addLineToPoint:pt];
 
   134 				[path addLineToPoint:pt];
 
   153 				pt.x -= cornerRadius;
 
   135 				pt.x -= cornerRadius;
 
   154 				[path addLineToPoint:pt];
 
   136 				[path addLineToPoint:pt];
 
   155 				[path closePath];
 
   137 				[path closePath];
 
   158 				
   140 				
   159 			case MGCornersPositionTrailingHorizontal: // right of screen for a top/bottom split
 
   141 			case MGCornersPositionTrailingHorizontal: // right of screen for a top/bottom split
 
   160 				pt.y = cornerRadius;
 
   142 				pt.y = cornerRadius;
 
   161 				[path moveToPoint:pt];
 
   143 				[path moveToPoint:pt];
 
   162 				pt.y -= cornerRadius;
 
   144 				pt.y -= cornerRadius;
 
   163 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(270) endAngle:deg2Rad(360) clockwise:NO]];
 
   145 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(270) endAngle:degreesToRadians(360) clockwise:NO]];
 
   164 				pt.x += cornerRadius;
 
   146 				pt.x += cornerRadius;
 
   165 				pt.y += cornerRadius;
 
   147 				pt.y += cornerRadius;
 
   166 				[path addLineToPoint:pt];
 
   148 				[path addLineToPoint:pt];
 
   167 				pt.x -= cornerRadius;
 
   149 				pt.x -= cornerRadius;
 
   168 				[path addLineToPoint:pt];
 
   150 				[path addLineToPoint:pt];
 
   169 				[path closePath];
 
   151 				[path closePath];
 
   170 				
   152 				
   171 				pt.y = maxY - cornerRadius;
 
   153 				pt.y = maxY - cornerRadius;
 
   172 				[path moveToPoint:pt];
 
   154 				[path moveToPoint:pt];
 
   173 				pt.y += cornerRadius;
 
   155 				pt.y += cornerRadius;
 
   174 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:deg2Rad(90) endAngle:0 clockwise:YES]];
 
   156 				[path appendPath:[UIBezierPath bezierPathWithArcCenter:pt radius:cornerRadius startAngle:degreesToRadians(90) endAngle:0 clockwise:YES]];
 
   175 				pt.x += cornerRadius;
 
   157 				pt.x += cornerRadius;
 
   176 				pt.y -= cornerRadius;
 
   158 				pt.y -= cornerRadius;
 
   177 				[path addLineToPoint:pt];
 
   159 				[path addLineToPoint:pt];
 
   178 				pt.x -= cornerRadius;
 
   160 				pt.x -= cornerRadius;
 
   179 				[path addLineToPoint:pt];
 
   161 				[path addLineToPoint:pt];
hedgewars