01: /*
02: * $RCSfile: MaxFilterRIF.java,v $
03: *
04: * Copyright (c) 2005 Sun Microsystems, Inc. All rights reserved.
05: *
06: * Use is subject to license terms.
07: *
08: * $Revision: 1.1 $
09: * $Date: 2005/02/11 04:56:32 $
10: * $State: Exp $
11: */
12: package com.sun.media.jai.opimage;
13:
14: import java.awt.RenderingHints;
15: import java.awt.image.RenderedImage;
16: import java.awt.image.renderable.ParameterBlock;
17: import java.awt.image.renderable.RenderedImageFactory;
18: import javax.media.jai.BorderExtender;
19: import javax.media.jai.ImageLayout;
20: import javax.media.jai.KernelJAI;
21: import java.util.Map;
22: import javax.media.jai.operator.MaxFilterDescriptor;
23: import javax.media.jai.operator.MaxFilterShape;
24:
25: /**
26: * Creates a MaxFilterOpImage subclass for the given input
27: * mask type
28: * @see MaxFilterOpImage
29: */
30: public class MaxFilterRIF implements RenderedImageFactory {
31:
32: /** Constructor. */
33: public MaxFilterRIF() {
34: }
35:
36: /**
37: * Create a new instance of MaxFilterOpImage in the rendered layer.
38: * This method satisfies the implementation of RIF.
39: *
40: * @param paramBlock The source image and the convolution kernel.
41: */
42: public RenderedImage create(ParameterBlock paramBlock,
43: RenderingHints renderHints) {
44: // Get ImageLayout from renderHints if any.
45: ImageLayout layout = RIFUtil.getImageLayoutHint(renderHints);
46:
47: // Get BorderExtender from renderHints if any.
48: BorderExtender extender = RIFUtil
49: .getBorderExtenderHint(renderHints);
50:
51: MaxFilterShape maskType = (MaxFilterShape) paramBlock
52: .getObjectParameter(0);
53: int maskSize = paramBlock.getIntParameter(1);
54: RenderedImage ri = paramBlock.getRenderedSource(0);
55:
56: if (maskType.equals(MaxFilterDescriptor.MAX_MASK_SQUARE)) {
57: return new MaxFilterSquareOpImage(ri, extender,
58: renderHints, layout, maskSize);
59: } else if (maskType.equals(MaxFilterDescriptor.MAX_MASK_PLUS)) {
60: return new MaxFilterPlusOpImage(ri, extender, renderHints,
61: layout, maskSize);
62: } else if (maskType.equals(MaxFilterDescriptor.MAX_MASK_X)) {
63: return new MaxFilterXOpImage(ri, extender, renderHints,
64: layout, maskSize);
65: } else if (maskType
66: .equals(MaxFilterDescriptor.MAX_MASK_SQUARE_SEPARABLE)) {
67: return new MaxFilterSeparableOpImage(ri, extender,
68: renderHints, layout, maskSize);
69: }
70: return null;
71: }
72: }
|