forked from core-plot/core-plot
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathCPTGridLineGroup.m
More file actions
132 lines (102 loc) · 2.91 KB
/
CPTGridLineGroup.m
File metadata and controls
132 lines (102 loc) · 2.91 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
#import "CPTGridLineGroup.h"
#import "CPTAxis.h"
#import "CPTAxisSet.h"
#import "CPTPlotArea.h"
/** @brief A group of grid line layers.
*
* When using separate axis layers, this layer serves as the common superlayer for the grid line layers.
* Otherwise, this layer handles the drawing for the grid lines. It supports mixing the two modes;
* some axes can use separate grid line layers while others are handled by the grid line group.
**/
@implementation CPTGridLineGroup
/** @property cpt_weak CPTPlotArea *plotArea
* @brief The plot area that this grid line group belongs to.
**/
@synthesize plotArea;
/** @property BOOL major
* @brief If @YES, draw the major grid lines, else draw the minor grid lines.
**/
@synthesize major;
#pragma mark -
#pragma mark Init/Dealloc
/// @name Initialization
/// @{
/** @brief Initializes a newly allocated CPTGridLineGroup object with the provided frame rectangle.
*
* This is the designated initializer. The initialized layer will have the following properties:
* - @ref plotArea = @nil
* - @ref major = @NO
* - @ref needsDisplayOnBoundsChange = @YES
*
* @param newFrame The frame rectangle.
* @return The initialized CPTGridLineGroup object.
**/
-(instancetype)initWithFrame:(CGRect)newFrame
{
if ( (self = [super initWithFrame:newFrame]) ) {
plotArea = nil;
major = NO;
self.needsDisplayOnBoundsChange = YES;
}
return self;
}
/// @}
/// @cond
-(instancetype)initWithLayer:(id)layer
{
if ( (self = [super initWithLayer:layer]) ) {
CPTGridLineGroup *theLayer = (CPTGridLineGroup *)layer;
plotArea = theLayer->plotArea;
major = theLayer->major;
}
return self;
}
/// @endcond
#pragma mark -
#pragma mark NSCoding Methods
/// @cond
-(void)encodeWithCoder:(NSCoder *)coder
{
[super encodeWithCoder:coder];
[coder encodeConditionalObject:self.plotArea forKey:@"CPTGridLineGroup.plotArea"];
[coder encodeBool:self.major forKey:@"CPTGridLineGroup.major"];
}
-(instancetype)initWithCoder:(NSCoder *)coder
{
if ( (self = [super initWithCoder:coder]) ) {
plotArea = [coder decodeObjectForKey:@"CPTGridLineGroup.plotArea"];
major = [coder decodeBoolForKey:@"CPTGridLineGroup.major"];
}
return self;
}
/// @endcond
#pragma mark -
#pragma mark Drawing
/// @cond
-(void)renderAsVectorInContext:(CGContextRef)context
{
if ( self.hidden ) {
return;
}
CPTPlotArea *thePlotArea = self.plotArea;
for ( CPTAxis *axis in thePlotArea.axisSet.axes ) {
if ( !axis.separateLayers ) {
[axis drawGridLinesInContext:context isMajor:self.major];
}
}
}
/// @endcond
#pragma mark -
#pragma mark Accessors
/// @cond
-(void)setPlotArea:(CPTPlotArea *)newPlotArea
{
if ( newPlotArea != plotArea ) {
plotArea = newPlotArea;
if ( newPlotArea ) {
[self setNeedsDisplay];
}
}
}
/// @endcond
@end