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My first initial commit with all of mine experimental changes.

Dmitry Kabak (userdima committed 13 years ago

Commit d37b88d1 parent 3f5b46618352 files · +2598093 −-8690Browse files

Showing the changes to java/pkg/sun/java2d/pipe/GeneralCompositePipe.java (1 of 18352 files). Show all

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java/pkg/sun/java2d/pipe/GeneralCompositePipe.java+154−0
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1/*
2 * Copyright (c) 1997, 2002, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package sun.java2d.pipe;
27
28import java.awt.AlphaComposite;
29import java.awt.CompositeContext;
30import java.awt.PaintContext;
31import java.awt.Rectangle;
32import java.awt.Shape;
33import java.awt.RenderingHints;
34import java.awt.image.ColorModel;
35import java.awt.image.BufferedImage;
36import java.awt.image.Raster;
37import java.awt.image.WritableRaster;
38import sun.awt.image.BufImgSurfaceData;
39import sun.java2d.SunGraphics2D;
40import sun.java2d.SurfaceData;
41import sun.java2d.loops.Blit;
42import sun.java2d.loops.MaskBlit;
43import sun.java2d.loops.CompositeType;
44
45public class GeneralCompositePipe implements CompositePipe {
46 class TileContext {
47 SunGraphics2D sunG2D;
48 PaintContext paintCtxt;
49 CompositeContext compCtxt;
50 ColorModel compModel;
51 Object pipeState;
52
53 public TileContext(SunGraphics2D sg, PaintContext pCtx,
54 CompositeContext cCtx, ColorModel cModel) {
55 sunG2D = sg;
56 paintCtxt = pCtx;
57 compCtxt = cCtx;
58 compModel = cModel;
59 }
60 }
61
62 public Object startSequence(SunGraphics2D sg, Shape s, Rectangle devR,
63 int[] abox) {
64 RenderingHints hints = sg.getRenderingHints();
65 ColorModel model = sg.getDeviceColorModel();
66 PaintContext paintContext =
67 sg.paint.createContext(model, devR, s.getBounds2D(),
68 sg.cloneTransform(),
69 hints);
70 CompositeContext compositeContext =
71 sg.composite.createContext(paintContext.getColorModel(), model,
72 hints);
73 return new TileContext(sg, paintContext, compositeContext, model);
74 }
75
76 public boolean needTile(Object ctx, int x, int y, int w, int h) {
77 return true;
78 }
79
80 /**
81 * GeneralCompositePipe.renderPathTile works with custom composite operator
82 * provided by an application
83 */
84 public void renderPathTile(Object ctx,
85 byte[] atile, int offset, int tilesize,
86 int x, int y, int w, int h) {
87 TileContext context = (TileContext) ctx;
88 PaintContext paintCtxt = context.paintCtxt;
89 CompositeContext compCtxt = context.compCtxt;
90 SunGraphics2D sg = context.sunG2D;
91
92 Raster srcRaster = paintCtxt.getRaster(x, y, w, h);
93 ColorModel paintModel = paintCtxt.getColorModel();
94
95 Raster dstRaster;
96 Raster dstIn;
97 WritableRaster dstOut;
98
99 SurfaceData sd = sg.getSurfaceData();
100 dstRaster = sd.getRaster(x, y, w, h);
101 if (dstRaster instanceof WritableRaster && atile == null) {
102 dstOut = (WritableRaster) dstRaster;
103 dstOut = dstOut.createWritableChild(x, y, w, h, 0, 0, null);
104 dstIn = dstOut;
105 } else {
106 dstIn = dstRaster.createChild(x, y, w, h, 0, 0, null);
107 dstOut = dstIn.createCompatibleWritableRaster();
108 }
109
110 compCtxt.compose(srcRaster, dstIn, dstOut);
111
112 if (dstRaster != dstOut && dstOut.getParent() != dstRaster) {
113 if (dstRaster instanceof WritableRaster && atile == null) {
114 ((WritableRaster) dstRaster).setDataElements(x, y, dstOut);
115 } else {
116 ColorModel cm = sg.getDeviceColorModel();
117 BufferedImage resImg =
118 new BufferedImage(cm, dstOut,
119 cm.isAlphaPremultiplied(),
120 null);
121 SurfaceData resData = BufImgSurfaceData.createData(resImg);
122 if (atile == null) {
123 Blit blit = Blit.getFromCache(resData.getSurfaceType(),
124 CompositeType.SrcNoEa,
125 sd.getSurfaceType());
126 blit.Blit(resData, sd, AlphaComposite.Src, null,
127 0, 0, x, y, w, h);
128 } else {
129 MaskBlit blit = MaskBlit.getFromCache(resData.getSurfaceType(),
130 CompositeType.SrcNoEa,
131 sd.getSurfaceType());
132 blit.MaskBlit(resData, sd, AlphaComposite.Src, null,
133 0, 0, x, y, w, h,
134 atile, offset, tilesize);
135 }
136 }
137 }
138 }
139
140 public void skipTile(Object ctx, int x, int y) {
141 return;
142 }
143
144 public void endSequence(Object ctx) {
145 TileContext context = (TileContext) ctx;
146 if (context.paintCtxt != null) {
147 context.paintCtxt.dispose();
148 }
149 if (context.compCtxt != null) {
150 context.compCtxt.dispose();
151 }
152 }
153
154}