| /* |
| * Copyright (C) 2006 Oliver Hunt <ojh16@student.canterbury.ac.nz>. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #import "config.h" |
| #import "WKComponentMergeFilter.h" |
| |
| #if ENABLE(SVG) && ENABLE(SVG_FILTERS) |
| |
| static CIKernel *componentMergeFilter = nil; |
| |
| @implementation WKComponentMergeFilter |
| + (void)initialize |
| { |
| [CIFilter registerFilterName:@"WKComponentMerge" |
| constructor:self |
| classAttributes:[NSDictionary dictionaryWithObjectsAndKeys: |
| @"WebKit Component Merge", kCIAttributeFilterDisplayName, |
| [NSArray arrayWithObjects:kCICategoryStylize, kCICategoryVideo, |
| kCICategoryStillImage, kCICategoryNonSquarePixels,nil], kCIAttributeFilterCategories, |
| nil]]; |
| } |
| |
| + (CIFilter *)filterWithName:(NSString *)name |
| { |
| return [[[self alloc] init] autorelease]; |
| } |
| |
| - (id)init |
| { |
| if (!componentMergeFilter) { |
| NSBundle *bundle = [NSBundle bundleForClass:[self class]]; |
| NSString *kernelFile = [bundle pathForResource:@"WKComponentMergeFilter" ofType:@"cikernel"]; |
| NSString *code = [NSString stringWithContentsOfFile:kernelFile encoding:NSUTF8StringEncoding error:0]; |
| NSArray *kernels = [CIKernel kernelsWithString:code]; |
| componentMergeFilter = [[kernels objectAtIndex:0] retain]; |
| } |
| return [super init]; |
| } |
| |
| - (CIImage *)outputImage |
| { |
| return [self apply:componentMergeFilter, [CISampler samplerWithImage: inputFuncR], |
| [CISampler samplerWithImage: inputFuncG], [CISampler samplerWithImage: inputFuncB], [CISampler samplerWithImage: inputFuncA], @"definition", [inputFuncR definition], nil]; |
| } |
| |
| @end |
| |
| #endif // ENABLE(SVG) && ENABLE(SVG_FILTERS) |
