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
|
//
// GTMNSBezierPath+CGPathTest.m
//
// Copyright 2006-2008 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may not
// use this file except in compliance with the License. You may obtain a copy
// of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations under
// the License.
//
#import <Cocoa/Cocoa.h>
#import <SenTestingKit/SenTestingKit.h>
#import "GTMNSBezierPath+CGPath.h"
#import "GTMNSView+UnitTesting.h"
@interface GTMNSBezierPath_CGPathTest : SenTestCase<GTMUnitTestViewDrawer>
@end
@implementation GTMNSBezierPath_CGPathTest
- (void)testCreateCGPath {
GTMAssertDrawingEqualToFile(self, NSMakeSize(100, 100), @"GTMNSBezierPath+CGPathTest", nil, nil);
}
// Draws all of our tests so that we can compare this to our stored TIFF file.
- (void)unitTestViewDrawRect:(NSRect)rect contextInfo:(void*)contextInfo{
NSBezierPath *thePath = [NSBezierPath bezierPath];
NSPoint theStart = NSMakePoint(20.0f, 20.0f);
// Test moveto/lineto
[thePath moveToPoint: theStart];
for (unsigned int i = 0; i < 10; ++i) {
NSPoint theNewPoint = NSMakePoint(i * 5, i * 10);
[thePath lineToPoint: theNewPoint];
theNewPoint = NSMakePoint(i * 2, i * 6);
[thePath moveToPoint: theNewPoint];
}
// Test moveto/curveto
for (unsigned int i = 0; i < 10; ++i) {
NSPoint startPoint = NSMakePoint(5.0f, 50.0f);
NSPoint endPoint = NSMakePoint(55.0f, 50.0f);
NSPoint controlPoint1 = NSMakePoint(17.5f, 50.0f + 5.0f * i);
NSPoint controlPoint2 = NSMakePoint(42.5f, 50.0f - 5.0f * i);
[thePath moveToPoint:startPoint];
[thePath curveToPoint:endPoint controlPoint1:controlPoint1 controlPoint2:controlPoint2];
}
// test close
[thePath closePath];
CGPathRef cgPath = [thePath gtm_createCGPath];
if (nil == cgPath) {
@throw [NSException failureInFile:[NSString stringWithCString:__FILE__]
atLine:__LINE__
withDescription:@"Nil CGPath"];
}
CGContextRef cgContext = [[NSGraphicsContext currentContext] graphicsPort];
if (nil == cgContext) {
@throw [NSException failureInFile:[NSString stringWithCString:__FILE__]
atLine:__LINE__
withDescription:@"Nil CGContext"];
}
CGContextAddPath(cgContext, cgPath);
CGContextStrokePath(cgContext);
CGPathRelease(cgPath);
}
@end
|