Fix typo from the removal of the inline keyword from some functions.
[WebKit-https.git] / WebCore / WebCore / kcanvas / device / quartz / filters / WKLinearTransferFilter.m
1 /*
2  * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR
17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
24  */
25
26 #import "WKLinearTransferFilter.h"
27
28 static CIKernel *linearTransferFilter = nil;
29
30 @implementation WKLinearTransferFilter
31 + (void)initialize
32 {
33     [CIFilter registerFilterName:@"WKLinearTransfer"
34                      constructor:self
35                  classAttributes:[NSDictionary dictionaryWithObjectsAndKeys:
36                      @"WebKit Linear Transfer", kCIAttributeFilterDisplayName,
37                      [NSArray arrayWithObjects:kCICategoryStylize, kCICategoryVideo,
38                          kCICategoryStillImage, kCICategoryNonSquarePixels,nil], kCIAttributeFilterCategories,
39                      [NSDictionary dictionaryWithObjectsAndKeys:
40                          [NSNumber numberWithDouble:1.0], kCIAttributeDefault,
41                          [NSNumber numberWithDouble:1.0], kCIAttributeIdentity,
42                          kCIAttributeTypeScalar, kCIAttributeType,
43                          nil], @"inputSlope",
44                      [NSDictionary dictionaryWithObjectsAndKeys:
45                          [NSNumber numberWithDouble:0.0], kCIAttributeDefault,
46                          [NSNumber numberWithDouble:0.0], kCIAttributeIdentity,
47                          kCIAttributeTypeScalar, kCIAttributeType,
48                          nil], @"inputIntersection",
49                      nil]];
50 }
51
52 + (CIFilter *)filterWithName:(NSString *)name
53 {
54     return [[[self alloc] init] autorelease];
55 }
56
57 - (id)init
58 {
59     if (!linearTransferFilter) {
60         NSBundle *bundle = [NSBundle bundleForClass:[self class]];
61         NSString *kernelFile = [bundle pathForResource:@"WKLinearTransferFilter" ofType:@"cikernel"];
62         NSString *code = [NSString stringWithContentsOfFile:kernelFile];
63         NSArray *kernels = [CIKernel kernelsWithString:code];
64         linearTransferFilter = [[kernels objectAtIndex:0] retain];
65     }
66     return [super init];
67 }
68
69 - (CIImage *)outputImage
70 {
71     CISampler *inputSampler = [CISampler samplerWithImage: inputImage];
72     return [self apply:linearTransferFilter, inputSampler, inputSlope, inputIntercept, @"definition", [inputSampler definition], nil];
73 }
74
75 @end