Source Code Cross Referenced for GeneralRenderer.java in  » 6.0-JDK-Modules-sun » java2d » sun » java2d » loops » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules sun » java2d » sun.java2d.loops 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


0001:        /*
0002:         * Copyright 1998-2006 Sun Microsystems, Inc.  All Rights Reserved.
0003:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0004:         *
0005:         * This code is free software; you can redistribute it and/or modify it
0006:         * under the terms of the GNU General Public License version 2 only, as
0007:         * published by the Free Software Foundation.  Sun designates this
0008:         * particular file as subject to the "Classpath" exception as provided
0009:         * by Sun in the LICENSE file that accompanied this code.
0010:         *
0011:         * This code is distributed in the hope that it will be useful, but WITHOUT
0012:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0013:         * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
0014:         * version 2 for more details (a copy is included in the LICENSE file that
0015:         * accompanied this code).
0016:         *
0017:         * You should have received a copy of the GNU General Public License version
0018:         * 2 along with this work; if not, write to the Free Software Foundation,
0019:         * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0020:         *
0021:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
0022:         * CA 95054 USA or visit www.sun.com if you need additional information or
0023:         * have any questions.
0024:         */
0025:
0026:        /*
0027:         * @author Charlton Innovations, Inc.
0028:         */
0029:
0030:        package sun.java2d.loops;
0031:
0032:        import java.awt.image.WritableRaster;
0033:        import java.awt.image.DataBuffer;
0034:        import java.awt.image.ColorModel;
0035:        import java.awt.geom.Path2D;
0036:        import java.awt.geom.PathIterator;
0037:        import java.awt.geom.AffineTransform;
0038:        import sun.java2d.pipe.Region;
0039:        import sun.java2d.pipe.SpanIterator;
0040:        import sun.java2d.SunGraphics2D;
0041:        import sun.java2d.SurfaceData;
0042:        import sun.java2d.loops.ProcessPath;
0043:        import sun.font.GlyphList;
0044:
0045:        /**
0046:         * GeneralRenderer collection
0047:         * Basically, a collection of components which permit basic
0048:         * rendering to occur on rasters of any format
0049:         */
0050:
0051:        public final class GeneralRenderer {
0052:            public static void register() {
0053:                Class owner = GeneralRenderer.class;
0054:                GraphicsPrimitive[] primitives = {
0055:                        new GraphicsPrimitiveProxy(owner, "SetFillRectANY",
0056:                                FillRect.methodSignature, FillRect.primTypeID,
0057:                                SurfaceType.AnyColor, CompositeType.SrcNoEa,
0058:                                SurfaceType.Any),
0059:                        new GraphicsPrimitiveProxy(owner, "SetFillPathANY",
0060:                                FillPath.methodSignature, FillPath.primTypeID,
0061:                                SurfaceType.AnyColor, CompositeType.SrcNoEa,
0062:                                SurfaceType.Any),
0063:                        new GraphicsPrimitiveProxy(owner, "SetFillSpansANY",
0064:                                FillSpans.methodSignature,
0065:                                FillSpans.primTypeID, SurfaceType.AnyColor,
0066:                                CompositeType.SrcNoEa, SurfaceType.Any),
0067:                        new GraphicsPrimitiveProxy(owner, "SetDrawLineANY",
0068:                                DrawLine.methodSignature, DrawLine.primTypeID,
0069:                                SurfaceType.AnyColor, CompositeType.SrcNoEa,
0070:                                SurfaceType.Any),
0071:                        new GraphicsPrimitiveProxy(owner, "SetDrawPolygonsANY",
0072:                                DrawPolygons.methodSignature,
0073:                                DrawPolygons.primTypeID, SurfaceType.AnyColor,
0074:                                CompositeType.SrcNoEa, SurfaceType.Any),
0075:                        new GraphicsPrimitiveProxy(owner, "SetDrawPathANY",
0076:                                DrawPath.methodSignature, DrawPath.primTypeID,
0077:                                SurfaceType.AnyColor, CompositeType.SrcNoEa,
0078:                                SurfaceType.Any),
0079:                        new GraphicsPrimitiveProxy(owner, "SetDrawRectANY",
0080:                                DrawRect.methodSignature, DrawRect.primTypeID,
0081:                                SurfaceType.AnyColor, CompositeType.SrcNoEa,
0082:                                SurfaceType.Any),
0083:
0084:                        new GraphicsPrimitiveProxy(owner, "XorFillRectANY",
0085:                                FillRect.methodSignature, FillRect.primTypeID,
0086:                                SurfaceType.AnyColor, CompositeType.Xor,
0087:                                SurfaceType.Any),
0088:                        new GraphicsPrimitiveProxy(owner, "XorFillPathANY",
0089:                                FillPath.methodSignature, FillPath.primTypeID,
0090:                                SurfaceType.AnyColor, CompositeType.Xor,
0091:                                SurfaceType.Any),
0092:                        new GraphicsPrimitiveProxy(owner, "XorFillSpansANY",
0093:                                FillSpans.methodSignature,
0094:                                FillSpans.primTypeID, SurfaceType.AnyColor,
0095:                                CompositeType.Xor, SurfaceType.Any),
0096:                        new GraphicsPrimitiveProxy(owner, "XorDrawLineANY",
0097:                                DrawLine.methodSignature, DrawLine.primTypeID,
0098:                                SurfaceType.AnyColor, CompositeType.Xor,
0099:                                SurfaceType.Any),
0100:                        new GraphicsPrimitiveProxy(owner, "XorDrawPolygonsANY",
0101:                                DrawPolygons.methodSignature,
0102:                                DrawPolygons.primTypeID, SurfaceType.AnyColor,
0103:                                CompositeType.Xor, SurfaceType.Any),
0104:                        new GraphicsPrimitiveProxy(owner, "XorDrawPathANY",
0105:                                DrawPath.methodSignature, DrawPath.primTypeID,
0106:                                SurfaceType.AnyColor, CompositeType.Xor,
0107:                                SurfaceType.Any),
0108:                        new GraphicsPrimitiveProxy(owner, "XorDrawRectANY",
0109:                                DrawRect.methodSignature, DrawRect.primTypeID,
0110:                                SurfaceType.AnyColor, CompositeType.Xor,
0111:                                SurfaceType.Any),
0112:                        new GraphicsPrimitiveProxy(owner,
0113:                                "XorDrawGlyphListANY",
0114:                                DrawGlyphList.methodSignature,
0115:                                DrawGlyphList.primTypeID, SurfaceType.AnyColor,
0116:                                CompositeType.Xor, SurfaceType.Any),
0117:                        new GraphicsPrimitiveProxy(owner,
0118:                                "XorDrawGlyphListAAANY",
0119:                                DrawGlyphListAA.methodSignature,
0120:                                DrawGlyphListAA.primTypeID,
0121:                                SurfaceType.AnyColor, CompositeType.Xor,
0122:                                SurfaceType.Any), };
0123:                GraphicsPrimitiveMgr.register(primitives);
0124:            }
0125:
0126:            static void doDrawPoly(SurfaceData sData, PixelWriter pw,
0127:                    int xPoints[], int yPoints[], int off, int nPoints,
0128:                    Region clip, int transx, int transy, boolean close) {
0129:                int mx, my, x1, y1;
0130:                int[] tmp = null;
0131:                mx = x1 = xPoints[off] + transx;
0132:                my = y1 = yPoints[off] + transy;
0133:                while (--nPoints > 0) {
0134:                    ++off;
0135:                    int x2 = xPoints[off] + transx;
0136:                    int y2 = yPoints[off] + transy;
0137:                    tmp = GeneralRenderer.doDrawLine(sData, pw, tmp, clip, x1,
0138:                            y1, x2, y2);
0139:                    x1 = x2;
0140:                    y1 = y2;
0141:                }
0142:                if (close && (x1 != mx || y1 != my)) {
0143:                    tmp = GeneralRenderer.doDrawLine(sData, pw, tmp, clip, x1,
0144:                            y1, mx, my);
0145:                }
0146:            }
0147:
0148:            static void doSetRect(SurfaceData sData, PixelWriter pw, int x1,
0149:                    int y1, int x2, int y2) {
0150:                WritableRaster dstRast = (WritableRaster) sData.getRaster(x1,
0151:                        y1, x2 - x1, y2 - y1);
0152:                pw.setRaster(dstRast);
0153:
0154:                while (y1 < y2) {
0155:                    for (int x = x1; x < x2; x++) {
0156:                        pw.writePixel(x, y1);
0157:                    }
0158:                    y1++;
0159:                }
0160:            }
0161:
0162:            static int[] doDrawLine(SurfaceData sData, PixelWriter pw,
0163:                    int[] boundPts, Region clip, int origx1, int origy1,
0164:                    int origx2, int origy2) {
0165:                if (boundPts == null) {
0166:                    boundPts = new int[8];
0167:                }
0168:                boundPts[0] = origx1;
0169:                boundPts[1] = origy1;
0170:                boundPts[2] = origx2;
0171:                boundPts[3] = origy2;
0172:                if (!adjustLine(boundPts, clip.getLoX(), clip.getLoY(), clip
0173:                        .getHiX(), clip.getHiY())) {
0174:                    return boundPts;
0175:                }
0176:                int x1 = boundPts[0];
0177:                int y1 = boundPts[1];
0178:                int x2 = boundPts[2];
0179:                int y2 = boundPts[3];
0180:
0181:                WritableRaster dstRast = (WritableRaster) sData.getRaster(Math
0182:                        .min(x1, x2), Math.min(y1, y2), Math.abs(x1 - x2) + 1,
0183:                        Math.abs(y1 - y2) + 1);
0184:                pw.setRaster(dstRast);
0185:
0186:                /* this could be made smaller, more elegant, more traditional. */
0187:                if (x1 == x2) {
0188:                    if (y1 > y2) {
0189:                        do {
0190:                            pw.writePixel(x1, y1);
0191:                            y1--;
0192:                        } while (y1 >= y2);
0193:                    } else {
0194:                        do {
0195:                            pw.writePixel(x1, y1);
0196:                            y1++;
0197:                        } while (y1 <= y2);
0198:                    }
0199:                } else if (y1 == y2) {
0200:                    if (x1 > x2) {
0201:                        do {
0202:                            pw.writePixel(x1, y1);
0203:                            x1--;
0204:                        } while (x1 >= x2);
0205:                    } else {
0206:                        do {
0207:                            pw.writePixel(x1, y1);
0208:                            x1++;
0209:                        } while (x1 <= x2);
0210:                    }
0211:                } else {
0212:                    int dx = boundPts[4];
0213:                    int dy = boundPts[5];
0214:                    int ax = boundPts[6];
0215:                    int ay = boundPts[7];
0216:                    int steps;
0217:                    int bumpmajor;
0218:                    int bumpminor;
0219:                    int errminor;
0220:                    int errmajor;
0221:                    int error;
0222:                    boolean xmajor;
0223:
0224:                    if (ax >= ay) {
0225:                        /* x is dominant */
0226:                        xmajor = true;
0227:                        errmajor = ay * 2;
0228:                        errminor = ax * 2;
0229:                        bumpmajor = (dx < 0) ? -1 : 1;
0230:                        bumpminor = (dy < 0) ? -1 : 1;
0231:                        ax = -ax; /* For clipping adjustment below */
0232:                        steps = x2 - x1;
0233:                    } else {
0234:                        /* y is dominant */
0235:                        xmajor = false;
0236:                        errmajor = ax * 2;
0237:                        errminor = ay * 2;
0238:                        bumpmajor = (dy < 0) ? -1 : 1;
0239:                        bumpminor = (dx < 0) ? -1 : 1;
0240:                        ay = -ay; /* For clipping adjustment below */
0241:                        steps = y2 - y1;
0242:                    }
0243:                    error = -(errminor / 2);
0244:                    if (y1 != origy1) {
0245:                        int ysteps = y1 - origy1;
0246:                        if (ysteps < 0) {
0247:                            ysteps = -ysteps;
0248:                        }
0249:                        error += ysteps * ax * 2;
0250:                    }
0251:                    if (x1 != origx1) {
0252:                        int xsteps = x1 - origx1;
0253:                        if (xsteps < 0) {
0254:                            xsteps = -xsteps;
0255:                        }
0256:                        error += xsteps * ay * 2;
0257:                    }
0258:                    if (steps < 0) {
0259:                        steps = -steps;
0260:                    }
0261:                    if (xmajor) {
0262:                        do {
0263:                            pw.writePixel(x1, y1);
0264:                            x1 += bumpmajor;
0265:                            error += errmajor;
0266:                            if (error >= 0) {
0267:                                y1 += bumpminor;
0268:                                error -= errminor;
0269:                            }
0270:                        } while (--steps >= 0);
0271:                    } else {
0272:                        do {
0273:                            pw.writePixel(x1, y1);
0274:                            y1 += bumpmajor;
0275:                            error += errmajor;
0276:                            if (error >= 0) {
0277:                                x1 += bumpminor;
0278:                                error -= errminor;
0279:                            }
0280:                        } while (--steps >= 0);
0281:                    }
0282:                }
0283:                return boundPts;
0284:            }
0285:
0286:            public static void doDrawRect(PixelWriter pw, SunGraphics2D sg2d,
0287:                    SurfaceData sData, int x, int y, int w, int h) {
0288:                if (w < 0 || h < 0) {
0289:                    return;
0290:                }
0291:                int x2 = Region.dimAdd(Region.dimAdd(x, w), 1);
0292:                int y2 = Region.dimAdd(Region.dimAdd(y, h), 1);
0293:                Region r = sg2d.getCompClip().getBoundsIntersectionXYXY(x, y,
0294:                        x2, y2);
0295:                if (r.isEmpty()) {
0296:                    return;
0297:                }
0298:                int cx1 = r.getLoX();
0299:                int cy1 = r.getLoY();
0300:                int cx2 = r.getHiX();
0301:                int cy2 = r.getHiY();
0302:
0303:                if (w < 2 || h < 2) {
0304:                    doSetRect(sData, pw, cx1, cy1, cx2, cy2);
0305:                    return;
0306:                }
0307:
0308:                if (cy1 == y) {
0309:                    doSetRect(sData, pw, cx1, cy1, cx2, cy1 + 1);
0310:                }
0311:                if (cx1 == x) {
0312:                    doSetRect(sData, pw, cx1, cy1 + 1, cx1 + 1, cy2 - 1);
0313:                }
0314:                if (cx2 == x2) {
0315:                    doSetRect(sData, pw, cx2 - 1, cy1 + 1, cx2, cy2 - 1);
0316:                }
0317:                if (cy2 == y2) {
0318:                    doSetRect(sData, pw, cx1, cy2 - 1, cx2, cy2);
0319:                }
0320:            }
0321:
0322:            /*
0323:             * REMIND: For now this will field both AA and non-AA requests and
0324:             * use a simple threshold to choose pixels if the supplied grey
0325:             * bits are antialiased.  We should really find a way to disable
0326:             * AA text at a higher level or to have the GlyphList be able to
0327:             * reset the glyphs to non-AA after construction.
0328:             */
0329:            static void doDrawGlyphList(SurfaceData sData, PixelWriter pw,
0330:                    GlyphList gl, Region clip) {
0331:                int[] bounds = gl.getBounds();
0332:                clip.clipBoxToBounds(bounds);
0333:                int cx1 = bounds[0];
0334:                int cy1 = bounds[1];
0335:                int cx2 = bounds[2];
0336:                int cy2 = bounds[3];
0337:
0338:                WritableRaster dstRast = (WritableRaster) sData.getRaster(cx1,
0339:                        cy1, cx2 - cx1, cy2 - cy1);
0340:                pw.setRaster(dstRast);
0341:
0342:                int num = gl.getNumGlyphs();
0343:                for (int i = 0; i < num; i++) {
0344:                    gl.setGlyphIndex(i);
0345:                    int metrics[] = gl.getMetrics();
0346:                    int gx1 = metrics[0];
0347:                    int gy1 = metrics[1];
0348:                    int w = metrics[2];
0349:                    int gx2 = gx1 + w;
0350:                    int gy2 = gy1 + metrics[3];
0351:                    int off = 0;
0352:                    if (gx1 < cx1) {
0353:                        off = cx1 - gx1;
0354:                        gx1 = cx1;
0355:                    }
0356:                    if (gy1 < cy1) {
0357:                        off += (cy1 - gy1) * w;
0358:                        gy1 = cy1;
0359:                    }
0360:                    if (gx2 > cx2)
0361:                        gx2 = cx2;
0362:                    if (gy2 > cy2)
0363:                        gy2 = cy2;
0364:                    if (gx2 > gx1 && gy2 > gy1) {
0365:                        byte alpha[] = gl.getGrayBits();
0366:                        w -= (gx2 - gx1);
0367:                        for (int y = gy1; y < gy2; y++) {
0368:                            for (int x = gx1; x < gx2; x++) {
0369:                                if (alpha[off++] < 0) {
0370:                                    pw.writePixel(x, y);
0371:                                }
0372:                            }
0373:                            off += w;
0374:                        }
0375:                    }
0376:                }
0377:            }
0378:
0379:            static final int OUTCODE_TOP = 1;
0380:            static final int OUTCODE_BOTTOM = 2;
0381:            static final int OUTCODE_LEFT = 4;
0382:            static final int OUTCODE_RIGHT = 8;
0383:
0384:            static int outcode(int x, int y, int xmin, int ymin, int xmax,
0385:                    int ymax) {
0386:                int code;
0387:                if (y < ymin) {
0388:                    code = OUTCODE_TOP;
0389:                } else if (y > ymax) {
0390:                    code = OUTCODE_BOTTOM;
0391:                } else {
0392:                    code = 0;
0393:                }
0394:                if (x < xmin) {
0395:                    code |= OUTCODE_LEFT;
0396:                } else if (x > xmax) {
0397:                    code |= OUTCODE_RIGHT;
0398:                }
0399:                return code;
0400:            }
0401:
0402:            public static boolean adjustLine(int[] boundPts, int cxmin,
0403:                    int cymin, int cx2, int cy2) {
0404:                int cxmax = cx2 - 1;
0405:                int cymax = cy2 - 1;
0406:                int x1 = boundPts[0];
0407:                int y1 = boundPts[1];
0408:                int x2 = boundPts[2];
0409:                int y2 = boundPts[3];
0410:
0411:                if ((cxmax < cxmin) || (cymax < cymin)) {
0412:                    return false;
0413:                }
0414:
0415:                if (x1 == x2) {
0416:                    if (x1 < cxmin || x1 > cxmax) {
0417:                        return false;
0418:                    }
0419:                    if (y1 > y2) {
0420:                        int t = y1;
0421:                        y1 = y2;
0422:                        y2 = t;
0423:                    }
0424:                    if (y1 < cymin) {
0425:                        y1 = cymin;
0426:                    }
0427:                    if (y2 > cymax) {
0428:                        y2 = cymax;
0429:                    }
0430:                    if (y1 > y2) {
0431:                        return false;
0432:                    }
0433:                    boundPts[1] = y1;
0434:                    boundPts[3] = y2;
0435:                } else if (y1 == y2) {
0436:                    if (y1 < cymin || y1 > cymax) {
0437:                        return false;
0438:                    }
0439:                    if (x1 > x2) {
0440:                        int t = x1;
0441:                        x1 = x2;
0442:                        x2 = t;
0443:                    }
0444:                    if (x1 < cxmin) {
0445:                        x1 = cxmin;
0446:                    }
0447:                    if (x2 > cxmax) {
0448:                        x2 = cxmax;
0449:                    }
0450:                    if (x1 > x2) {
0451:                        return false;
0452:                    }
0453:                    boundPts[0] = x1;
0454:                    boundPts[2] = x2;
0455:                } else {
0456:                    /* REMIND: This could overflow... */
0457:                    int outcode1, outcode2;
0458:                    int dx = x2 - x1;
0459:                    int dy = y2 - y1;
0460:                    int ax = (dx < 0) ? -dx : dx;
0461:                    int ay = (dy < 0) ? -dy : dy;
0462:                    boolean xmajor = (ax >= ay);
0463:
0464:                    outcode1 = outcode(x1, y1, cxmin, cymin, cxmax, cymax);
0465:                    outcode2 = outcode(x2, y2, cxmin, cymin, cxmax, cymax);
0466:                    while ((outcode1 | outcode2) != 0) {
0467:                        int xsteps, ysteps;
0468:                        if ((outcode1 & outcode2) != 0) {
0469:                            return false;
0470:                        }
0471:                        if (outcode1 != 0) {
0472:                            if (0 != (outcode1 & (OUTCODE_TOP | OUTCODE_BOTTOM))) {
0473:                                if (0 != (outcode1 & OUTCODE_TOP)) {
0474:                                    y1 = cymin;
0475:                                } else {
0476:                                    y1 = cymax;
0477:                                }
0478:                                ysteps = y1 - boundPts[1];
0479:                                if (ysteps < 0) {
0480:                                    ysteps = -ysteps;
0481:                                }
0482:                                xsteps = 2 * ysteps * ax + ay;
0483:                                if (xmajor) {
0484:                                    xsteps += ay - ax - 1;
0485:                                }
0486:                                xsteps = xsteps / (2 * ay);
0487:                                if (dx < 0) {
0488:                                    xsteps = -xsteps;
0489:                                }
0490:                                x1 = boundPts[0] + xsteps;
0491:                            } else if (0 != (outcode1 & (OUTCODE_LEFT | OUTCODE_RIGHT))) {
0492:                                if (0 != (outcode1 & OUTCODE_LEFT)) {
0493:                                    x1 = cxmin;
0494:                                } else {
0495:                                    x1 = cxmax;
0496:                                }
0497:                                xsteps = x1 - boundPts[0];
0498:                                if (xsteps < 0) {
0499:                                    xsteps = -xsteps;
0500:                                }
0501:                                ysteps = 2 * xsteps * ay + ax;
0502:                                if (!xmajor) {
0503:                                    ysteps += ax - ay - 1;
0504:                                }
0505:                                ysteps = ysteps / (2 * ax);
0506:                                if (dy < 0) {
0507:                                    ysteps = -ysteps;
0508:                                }
0509:                                y1 = boundPts[1] + ysteps;
0510:                            }
0511:                            outcode1 = outcode(x1, y1, cxmin, cymin, cxmax,
0512:                                    cymax);
0513:                        } else {
0514:                            if (0 != (outcode2 & (OUTCODE_TOP | OUTCODE_BOTTOM))) {
0515:                                if (0 != (outcode2 & OUTCODE_TOP)) {
0516:                                    y2 = cymin;
0517:                                } else {
0518:                                    y2 = cymax;
0519:                                }
0520:                                ysteps = y2 - boundPts[3];
0521:                                if (ysteps < 0) {
0522:                                    ysteps = -ysteps;
0523:                                }
0524:                                xsteps = 2 * ysteps * ax + ay;
0525:                                if (xmajor) {
0526:                                    xsteps += ay - ax;
0527:                                } else {
0528:                                    xsteps -= 1;
0529:                                }
0530:                                xsteps = xsteps / (2 * ay);
0531:                                if (dx > 0) {
0532:                                    xsteps = -xsteps;
0533:                                }
0534:                                x2 = boundPts[2] + xsteps;
0535:                            } else if (0 != (outcode2 & (OUTCODE_LEFT | OUTCODE_RIGHT))) {
0536:                                if (0 != (outcode2 & OUTCODE_LEFT)) {
0537:                                    x2 = cxmin;
0538:                                } else {
0539:                                    x2 = cxmax;
0540:                                }
0541:                                xsteps = x2 - boundPts[2];
0542:                                if (xsteps < 0) {
0543:                                    xsteps = -xsteps;
0544:                                }
0545:                                ysteps = 2 * xsteps * ay + ax;
0546:                                if (xmajor) {
0547:                                    ysteps -= 1;
0548:                                } else {
0549:                                    ysteps += ax - ay;
0550:                                }
0551:                                ysteps = ysteps / (2 * ax);
0552:                                if (dy > 0) {
0553:                                    ysteps = -ysteps;
0554:                                }
0555:                                y2 = boundPts[3] + ysteps;
0556:                            }
0557:                            outcode2 = outcode(x2, y2, cxmin, cymin, cxmax,
0558:                                    cymax);
0559:                        }
0560:                    }
0561:                    boundPts[0] = x1;
0562:                    boundPts[1] = y1;
0563:                    boundPts[2] = x2;
0564:                    boundPts[3] = y2;
0565:                    boundPts[4] = dx;
0566:                    boundPts[5] = dy;
0567:                    boundPts[6] = ax;
0568:                    boundPts[7] = ay;
0569:                }
0570:                return true;
0571:            }
0572:
0573:            static PixelWriter createSolidPixelWriter(SunGraphics2D sg2d,
0574:                    SurfaceData sData) {
0575:                ColorModel dstCM = sData.getColorModel();
0576:                Object srcPixel = dstCM.getDataElements(sg2d.eargb, null);
0577:
0578:                return new SolidPixelWriter(srcPixel);
0579:            }
0580:
0581:            static PixelWriter createXorPixelWriter(SunGraphics2D sg2d,
0582:                    SurfaceData sData) {
0583:                ColorModel dstCM = sData.getColorModel();
0584:
0585:                Object srcPixel = dstCM.getDataElements(sg2d.eargb, null);
0586:
0587:                XORComposite comp = (XORComposite) sg2d.getComposite();
0588:                int xorrgb = comp.getXorColor().getRGB();
0589:                Object xorPixel = dstCM.getDataElements(xorrgb, null);
0590:
0591:                switch (dstCM.getTransferType()) {
0592:                case DataBuffer.TYPE_BYTE:
0593:                    return new XorPixelWriter.ByteData(srcPixel, xorPixel);
0594:                case DataBuffer.TYPE_SHORT:
0595:                case DataBuffer.TYPE_USHORT:
0596:                    return new XorPixelWriter.ShortData(srcPixel, xorPixel);
0597:                case DataBuffer.TYPE_INT:
0598:                    return new XorPixelWriter.IntData(srcPixel, xorPixel);
0599:                case DataBuffer.TYPE_FLOAT:
0600:                    return new XorPixelWriter.FloatData(srcPixel, xorPixel);
0601:                case DataBuffer.TYPE_DOUBLE:
0602:                    return new XorPixelWriter.DoubleData(srcPixel, xorPixel);
0603:                default:
0604:                    throw new InternalError("Unsupported XOR pixel type");
0605:                }
0606:            }
0607:        }
0608:
0609:        class SetFillRectANY extends FillRect {
0610:            SetFillRectANY() {
0611:                super (SurfaceType.AnyColor, CompositeType.SrcNoEa,
0612:                        SurfaceType.Any);
0613:            }
0614:
0615:            public void FillRect(SunGraphics2D sg2d, SurfaceData sData, int x,
0616:                    int y, int w, int h) {
0617:                PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d,
0618:                        sData);
0619:
0620:                Region r = sg2d.getCompClip().getBoundsIntersectionXYWH(x, y,
0621:                        w, h);
0622:
0623:                GeneralRenderer.doSetRect(sData, pw, r.getLoX(), r.getLoY(), r
0624:                        .getHiX(), r.getHiY());
0625:            }
0626:        }
0627:
0628:        class PixelWriterDrawHandler extends ProcessPath.DrawHandler {
0629:            PixelWriter pw;
0630:            SurfaceData sData;
0631:            Region clip;
0632:
0633:            public PixelWriterDrawHandler(SurfaceData sData, PixelWriter pw,
0634:                    Region clip, int strokeHint) {
0635:                super (clip.getLoX(), clip.getLoY(), clip.getHiX(), clip
0636:                        .getHiY(), strokeHint);
0637:                this .sData = sData;
0638:                this .pw = pw;
0639:                this .clip = clip;
0640:            }
0641:
0642:            public void drawLine(int x0, int y0, int x1, int y1) {
0643:                GeneralRenderer.doDrawLine(sData, pw, null, clip, x0, y0, x1,
0644:                        y1);
0645:            }
0646:
0647:            public void drawPixel(int x0, int y0) {
0648:                GeneralRenderer.doSetRect(sData, pw, x0, y0, x0 + 1, y0 + 1);
0649:            }
0650:
0651:            public void drawScanline(int x0, int x1, int y0) {
0652:                GeneralRenderer.doSetRect(sData, pw, x0, y0, x1 + 1, y0 + 1);
0653:            }
0654:        }
0655:
0656:        class SetFillPathANY extends FillPath {
0657:            SetFillPathANY() {
0658:                super (SurfaceType.AnyColor, CompositeType.SrcNoEa,
0659:                        SurfaceType.Any);
0660:            }
0661:
0662:            public void FillPath(SunGraphics2D sg2d, SurfaceData sData,
0663:                    int transx, int transy, Path2D.Float p2df) {
0664:                PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d,
0665:                        sData);
0666:                ProcessPath.fillPath(new PixelWriterDrawHandler(sData, pw, sg2d
0667:                        .getCompClip(), sg2d.strokeHint), p2df, transx, transy);
0668:            }
0669:        }
0670:
0671:        class SetFillSpansANY extends FillSpans {
0672:            SetFillSpansANY() {
0673:                super (SurfaceType.AnyColor, CompositeType.SrcNoEa,
0674:                        SurfaceType.Any);
0675:            }
0676:
0677:            public void FillSpans(SunGraphics2D sg2d, SurfaceData sData,
0678:                    SpanIterator si) {
0679:                PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d,
0680:                        sData);
0681:
0682:                int span[] = new int[4];
0683:                while (si.nextSpan(span)) {
0684:                    GeneralRenderer.doSetRect(sData, pw, span[0], span[1],
0685:                            span[2], span[3]);
0686:                }
0687:            }
0688:        }
0689:
0690:        class SetDrawLineANY extends DrawLine {
0691:            SetDrawLineANY() {
0692:                super (SurfaceType.AnyColor, CompositeType.SrcNoEa,
0693:                        SurfaceType.Any);
0694:            }
0695:
0696:            public void DrawLine(SunGraphics2D sg2d, SurfaceData sData, int x1,
0697:                    int y1, int x2, int y2) {
0698:                PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d,
0699:                        sData);
0700:
0701:                if (y1 >= y2) {
0702:                    GeneralRenderer.doDrawLine(sData, pw, null, sg2d
0703:                            .getCompClip(), x2, y2, x1, y1);
0704:                } else {
0705:                    GeneralRenderer.doDrawLine(sData, pw, null, sg2d
0706:                            .getCompClip(), x1, y1, x2, y2);
0707:                }
0708:            }
0709:        }
0710:
0711:        class SetDrawPolygonsANY extends DrawPolygons {
0712:            SetDrawPolygonsANY() {
0713:                super (SurfaceType.AnyColor, CompositeType.SrcNoEa,
0714:                        SurfaceType.Any);
0715:            }
0716:
0717:            public void DrawPolygons(SunGraphics2D sg2d, SurfaceData sData,
0718:                    int xPoints[], int yPoints[], int nPoints[], int numPolys,
0719:                    int transx, int transy, boolean close) {
0720:                PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d,
0721:                        sData);
0722:
0723:                int off = 0;
0724:                Region clip = sg2d.getCompClip();
0725:                for (int i = 0; i < numPolys; i++) {
0726:                    int numpts = nPoints[i];
0727:                    GeneralRenderer.doDrawPoly(sData, pw, xPoints, yPoints,
0728:                            off, numpts, clip, transx, transy, close);
0729:                    off += numpts;
0730:                }
0731:            }
0732:        }
0733:
0734:        class SetDrawPathANY extends DrawPath {
0735:            SetDrawPathANY() {
0736:                super (SurfaceType.AnyColor, CompositeType.SrcNoEa,
0737:                        SurfaceType.Any);
0738:            }
0739:
0740:            public void DrawPath(SunGraphics2D sg2d, SurfaceData sData,
0741:                    int transx, int transy, Path2D.Float p2df) {
0742:                PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d,
0743:                        sData);
0744:                ProcessPath.drawPath(new PixelWriterDrawHandler(sData, pw, sg2d
0745:                        .getCompClip(), sg2d.strokeHint), p2df, transx, transy);
0746:            }
0747:        }
0748:
0749:        class SetDrawRectANY extends DrawRect {
0750:            SetDrawRectANY() {
0751:                super (SurfaceType.AnyColor, CompositeType.SrcNoEa,
0752:                        SurfaceType.Any);
0753:            }
0754:
0755:            public void DrawRect(SunGraphics2D sg2d, SurfaceData sData, int x,
0756:                    int y, int w, int h) {
0757:                PixelWriter pw = GeneralRenderer.createSolidPixelWriter(sg2d,
0758:                        sData);
0759:
0760:                GeneralRenderer.doDrawRect(pw, sg2d, sData, x, y, w, h);
0761:            }
0762:        }
0763:
0764:        class XorFillRectANY extends FillRect {
0765:            XorFillRectANY() {
0766:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0767:            }
0768:
0769:            public void FillRect(SunGraphics2D sg2d, SurfaceData sData, int x,
0770:                    int y, int w, int h) {
0771:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0772:                        sData);
0773:
0774:                Region r = sg2d.getCompClip().getBoundsIntersectionXYWH(x, y,
0775:                        w, h);
0776:
0777:                GeneralRenderer.doSetRect(sData, pw, r.getLoX(), r.getLoY(), r
0778:                        .getHiX(), r.getHiY());
0779:            }
0780:        }
0781:
0782:        class XorFillPathANY extends FillPath {
0783:            XorFillPathANY() {
0784:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0785:            }
0786:
0787:            public void FillPath(SunGraphics2D sg2d, SurfaceData sData,
0788:                    int transx, int transy, Path2D.Float p2df) {
0789:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0790:                        sData);
0791:                ProcessPath.fillPath(new PixelWriterDrawHandler(sData, pw, sg2d
0792:                        .getCompClip(), sg2d.strokeHint), p2df, transx, transy);
0793:            }
0794:        }
0795:
0796:        class XorFillSpansANY extends FillSpans {
0797:            XorFillSpansANY() {
0798:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0799:            }
0800:
0801:            public void FillSpans(SunGraphics2D sg2d, SurfaceData sData,
0802:                    SpanIterator si) {
0803:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0804:                        sData);
0805:
0806:                int span[] = new int[4];
0807:                while (si.nextSpan(span)) {
0808:                    GeneralRenderer.doSetRect(sData, pw, span[0], span[1],
0809:                            span[2], span[3]);
0810:                }
0811:            }
0812:        }
0813:
0814:        class XorDrawLineANY extends DrawLine {
0815:            XorDrawLineANY() {
0816:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0817:            }
0818:
0819:            public void DrawLine(SunGraphics2D sg2d, SurfaceData sData, int x1,
0820:                    int y1, int x2, int y2) {
0821:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0822:                        sData);
0823:
0824:                if (y1 >= y2) {
0825:                    GeneralRenderer.doDrawLine(sData, pw, null, sg2d
0826:                            .getCompClip(), x2, y2, x1, y1);
0827:                } else {
0828:                    GeneralRenderer.doDrawLine(sData, pw, null, sg2d
0829:                            .getCompClip(), x1, y1, x2, y2);
0830:                }
0831:            }
0832:        }
0833:
0834:        class XorDrawPolygonsANY extends DrawPolygons {
0835:            XorDrawPolygonsANY() {
0836:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0837:            }
0838:
0839:            public void DrawPolygons(SunGraphics2D sg2d, SurfaceData sData,
0840:                    int xPoints[], int yPoints[], int nPoints[], int numPolys,
0841:                    int transx, int transy, boolean close) {
0842:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0843:                        sData);
0844:
0845:                int off = 0;
0846:                Region clip = sg2d.getCompClip();
0847:                for (int i = 0; i < numPolys; i++) {
0848:                    int numpts = nPoints[i];
0849:                    GeneralRenderer.doDrawPoly(sData, pw, xPoints, yPoints,
0850:                            off, numpts, clip, transx, transy, close);
0851:                    off += numpts;
0852:                }
0853:            }
0854:        }
0855:
0856:        class XorDrawPathANY extends DrawPath {
0857:            XorDrawPathANY() {
0858:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0859:            }
0860:
0861:            public void DrawPath(SunGraphics2D sg2d, SurfaceData sData,
0862:                    int transx, int transy, Path2D.Float p2df) {
0863:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0864:                        sData);
0865:                ProcessPath.drawPath(new PixelWriterDrawHandler(sData, pw, sg2d
0866:                        .getCompClip(), sg2d.strokeHint), p2df, transx, transy);
0867:            }
0868:        }
0869:
0870:        class XorDrawRectANY extends DrawRect {
0871:            XorDrawRectANY() {
0872:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0873:            }
0874:
0875:            public void DrawRect(SunGraphics2D sg2d, SurfaceData sData, int x,
0876:                    int y, int w, int h) {
0877:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0878:                        sData);
0879:
0880:                GeneralRenderer.doDrawRect(pw, sg2d, sData, x, y, w, h);
0881:            }
0882:        }
0883:
0884:        class XorDrawGlyphListANY extends DrawGlyphList {
0885:            XorDrawGlyphListANY() {
0886:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0887:            }
0888:
0889:            public void DrawGlyphList(SunGraphics2D sg2d, SurfaceData sData,
0890:                    GlyphList gl) {
0891:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0892:                        sData);
0893:                GeneralRenderer.doDrawGlyphList(sData, pw, gl, sg2d
0894:                        .getCompClip());
0895:            }
0896:        }
0897:
0898:        class XorDrawGlyphListAAANY extends DrawGlyphListAA {
0899:            XorDrawGlyphListAAANY() {
0900:                super (SurfaceType.AnyColor, CompositeType.Xor, SurfaceType.Any);
0901:            }
0902:
0903:            public void DrawGlyphListAA(SunGraphics2D sg2d, SurfaceData sData,
0904:                    GlyphList gl) {
0905:                PixelWriter pw = GeneralRenderer.createXorPixelWriter(sg2d,
0906:                        sData);
0907:                GeneralRenderer.doDrawGlyphList(sData, pw, gl, sg2d
0908:                        .getCompClip());
0909:            }
0910:        }
0911:
0912:        abstract class PixelWriter {
0913:            protected WritableRaster dstRast;
0914:
0915:            public void setRaster(WritableRaster dstRast) {
0916:                this .dstRast = dstRast;
0917:            }
0918:
0919:            public abstract void writePixel(int x, int y);
0920:        }
0921:
0922:        class SolidPixelWriter extends PixelWriter {
0923:            protected Object srcData;
0924:
0925:            SolidPixelWriter(Object srcPixel) {
0926:                this .srcData = srcPixel;
0927:            }
0928:
0929:            public void writePixel(int x, int y) {
0930:                dstRast.setDataElements(x, y, srcData);
0931:            }
0932:        }
0933:
0934:        abstract class XorPixelWriter extends PixelWriter {
0935:            protected ColorModel dstCM;
0936:
0937:            public void writePixel(int x, int y) {
0938:                Object dstPixel = dstRast.getDataElements(x, y, null);
0939:                xorPixel(dstPixel);
0940:                dstRast.setDataElements(x, y, dstPixel);
0941:            }
0942:
0943:            protected abstract void xorPixel(Object pixData);
0944:
0945:            public static class ByteData extends XorPixelWriter {
0946:                byte[] xorData;
0947:
0948:                ByteData(Object srcPixel, Object xorPixel) {
0949:                    this .xorData = (byte[]) srcPixel;
0950:                    xorPixel(xorPixel);
0951:                    this .xorData = (byte[]) xorPixel;
0952:                }
0953:
0954:                protected void xorPixel(Object pixData) {
0955:                    byte[] dstData = (byte[]) pixData;
0956:                    for (int i = 0; i < dstData.length; i++) {
0957:                        dstData[i] ^= xorData[i];
0958:                    }
0959:                }
0960:            }
0961:
0962:            public static class ShortData extends XorPixelWriter {
0963:                short[] xorData;
0964:
0965:                ShortData(Object srcPixel, Object xorPixel) {
0966:                    this .xorData = (short[]) srcPixel;
0967:                    xorPixel(xorPixel);
0968:                    this .xorData = (short[]) xorPixel;
0969:                }
0970:
0971:                protected void xorPixel(Object pixData) {
0972:                    short[] dstData = (short[]) pixData;
0973:                    for (int i = 0; i < dstData.length; i++) {
0974:                        dstData[i] ^= xorData[i];
0975:                    }
0976:                }
0977:            }
0978:
0979:            public static class IntData extends XorPixelWriter {
0980:                int[] xorData;
0981:
0982:                IntData(Object srcPixel, Object xorPixel) {
0983:                    this .xorData = (int[]) srcPixel;
0984:                    xorPixel(xorPixel);
0985:                    this .xorData = (int[]) xorPixel;
0986:                }
0987:
0988:                protected void xorPixel(Object pixData) {
0989:                    int[] dstData = (int[]) pixData;
0990:                    for (int i = 0; i < dstData.length; i++) {
0991:                        dstData[i] ^= xorData[i];
0992:                    }
0993:                }
0994:            }
0995:
0996:            public static class FloatData extends XorPixelWriter {
0997:                int[] xorData;
0998:
0999:                FloatData(Object srcPixel, Object xorPixel) {
1000:                    float[] srcData = (float[]) srcPixel;
1001:                    float[] xorData = (float[]) xorPixel;
1002:                    this .xorData = new int[srcData.length];
1003:                    for (int i = 0; i < srcData.length; i++) {
1004:                        this .xorData[i] = (Float.floatToIntBits(srcData[i]) ^ Float
1005:                                .floatToIntBits(xorData[i]));
1006:                    }
1007:                }
1008:
1009:                protected void xorPixel(Object pixData) {
1010:                    float[] dstData = (float[]) pixData;
1011:                    for (int i = 0; i < dstData.length; i++) {
1012:                        int v = Float.floatToIntBits(dstData[i]) ^ xorData[i];
1013:                        dstData[i] = Float.intBitsToFloat(v);
1014:                    }
1015:                }
1016:            }
1017:
1018:            public static class DoubleData extends XorPixelWriter {
1019:                long[] xorData;
1020:
1021:                DoubleData(Object srcPixel, Object xorPixel) {
1022:                    double[] srcData = (double[]) srcPixel;
1023:                    double[] xorData = (double[]) xorPixel;
1024:                    this .xorData = new long[srcData.length];
1025:                    for (int i = 0; i < srcData.length; i++) {
1026:                        this .xorData[i] = (Double.doubleToLongBits(srcData[i]) ^ Double
1027:                                .doubleToLongBits(xorData[i]));
1028:                    }
1029:                }
1030:
1031:                protected void xorPixel(Object pixData) {
1032:                    double[] dstData = (double[]) pixData;
1033:                    for (int i = 0; i < dstData.length; i++) {
1034:                        long v = Double.doubleToLongBits(dstData[i])
1035:                                ^ xorData[i];
1036:                        dstData[i] = Double.longBitsToDouble(v);
1037:                    }
1038:                }
1039:            }
1040:        }
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