--- old/jdk/src/java.desktop/share/classes/sun/dc/DuctusRenderingEngine.java 2016-07-01 17:48:52.624261462 +0200 +++ /dev/null 2016-02-18 10:58:42.502130963 +0100 @@ -1,836 +0,0 @@ -/* - * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * This code is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 only, as - * published by the Free Software Foundation. Oracle designates this - * particular file as subject to the "Classpath" exception as provided - * by Oracle in the LICENSE file that accompanied this code. - * - * This code is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - * version 2 for more details (a copy is included in the LICENSE file that - * accompanied this code). - * - * You should have received a copy of the GNU General Public License version - * 2 along with this work; if not, write to the Free Software Foundation, - * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. - * - * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA - * or visit www.oracle.com if you need additional information or have any - * questions. - */ - -package sun.dc; - -import java.awt.Shape; -import java.awt.BasicStroke; -import java.awt.geom.Path2D; -import java.awt.geom.PathIterator; -import java.awt.geom.AffineTransform; - -import sun.awt.geom.PathConsumer2D; -import sun.java2d.pipe.Region; -import sun.java2d.pipe.AATileGenerator; -import sun.java2d.pipe.RenderingEngine; - -import sun.dc.pr.Rasterizer; -import sun.dc.pr.PathStroker; -import sun.dc.pr.PathDasher; -import sun.dc.pr.PRException; -import sun.dc.path.PathConsumer; -import sun.dc.path.PathException; -import sun.dc.path.FastPathProducer; - -public class DuctusRenderingEngine extends RenderingEngine { - static final float PenUnits = 0.01f; - static final int MinPenUnits = 100; - static final int MinPenUnitsAA = 20; - static final float MinPenSizeAA = PenUnits * MinPenUnitsAA; - - static final float UPPER_BND = Float.MAX_VALUE / 2.0f; - static final float LOWER_BND = -UPPER_BND; - - private static final int RasterizerCaps[] = { - Rasterizer.BUTT, Rasterizer.ROUND, Rasterizer.SQUARE - }; - - private static final int RasterizerCorners[] = { - Rasterizer.MITER, Rasterizer.ROUND, Rasterizer.BEVEL - }; - - static float[] getTransformMatrix(AffineTransform transform) { - float matrix[] = new float[4]; - double dmatrix[] = new double[6]; - transform.getMatrix(dmatrix); - for (int i = 0; i < 4; i++) { - matrix[i] = (float) dmatrix[i]; - } - return matrix; - } - - /** - * {@inheritDoc} - */ - @Override - public Shape createStrokedShape(Shape src, - float width, - int caps, - int join, - float miterlimit, - float dashes[], - float dashphase) - { - FillAdapter filler = new FillAdapter(); - PathStroker stroker = new PathStroker(filler); - PathDasher dasher = null; - - try { - PathConsumer consumer; - - stroker.setPenDiameter(width); - stroker.setPenT4(null); - stroker.setCaps(RasterizerCaps[caps]); - stroker.setCorners(RasterizerCorners[join], miterlimit); - if (dashes != null) { - dasher = new PathDasher(stroker); - dasher.setDash(dashes, dashphase); - dasher.setDashT4(null); - consumer = dasher; - } else { - consumer = stroker; - } - - feedConsumer(consumer, src.getPathIterator(null)); - } finally { - stroker.dispose(); - if (dasher != null) { - dasher.dispose(); - } - } - - return filler.getShape(); - } - - /** - * {@inheritDoc} - */ - @Override - public void strokeTo(Shape src, - AffineTransform transform, - BasicStroke bs, - boolean thin, - boolean normalize, - boolean antialias, - PathConsumer2D sr) - { - PathStroker stroker = new PathStroker(sr); - PathConsumer consumer = stroker; - - float matrix[] = null; - if (!thin) { - stroker.setPenDiameter(bs.getLineWidth()); - if (transform != null) { - matrix = getTransformMatrix(transform); - } - stroker.setPenT4(matrix); - stroker.setPenFitting(PenUnits, MinPenUnits); - } - stroker.setCaps(RasterizerCaps[bs.getEndCap()]); - stroker.setCorners(RasterizerCorners[bs.getLineJoin()], - bs.getMiterLimit()); - float[] dashes = bs.getDashArray(); - if (dashes != null) { - PathDasher dasher = new PathDasher(stroker); - dasher.setDash(dashes, bs.getDashPhase()); - if (transform != null && matrix == null) { - matrix = getTransformMatrix(transform); - } - dasher.setDashT4(matrix); - consumer = dasher; - } - - try { - PathIterator pi = src.getPathIterator(transform); - - feedConsumer(pi, consumer, normalize, 0.25f); - } catch (PathException e) { - throw new InternalError("Unable to Stroke shape ("+ - e.getMessage()+")", e); - } finally { - while (consumer != null && consumer != sr) { - PathConsumer next = consumer.getConsumer(); - consumer.dispose(); - consumer = next; - } - } - } - - /* - * Feed a path from a PathIterator to a Ductus PathConsumer. - */ - public static void feedConsumer(PathIterator pi, PathConsumer consumer, - boolean normalize, float norm) - throws PathException - { - consumer.beginPath(); - boolean pathClosed = false; - boolean skip = false; - boolean subpathStarted = false; - float mx = 0.0f; - float my = 0.0f; - float point[] = new float[6]; - float rnd = (0.5f - norm); - float ax = 0.0f; - float ay = 0.0f; - - while (!pi.isDone()) { - int type = pi.currentSegment(point); - if (pathClosed == true) { - pathClosed = false; - if (type != PathIterator.SEG_MOVETO) { - // Force current point back to last moveto point - consumer.beginSubpath(mx, my); - subpathStarted = true; - } - } - if (normalize) { - int index; - switch (type) { - case PathIterator.SEG_CUBICTO: - index = 4; - break; - case PathIterator.SEG_QUADTO: - index = 2; - break; - case PathIterator.SEG_MOVETO: - case PathIterator.SEG_LINETO: - index = 0; - break; - case PathIterator.SEG_CLOSE: - default: - index = -1; - break; - } - if (index >= 0) { - float ox = point[index]; - float oy = point[index+1]; - float newax = (float) Math.floor(ox + rnd) + norm; - float neway = (float) Math.floor(oy + rnd) + norm; - point[index] = newax; - point[index+1] = neway; - newax -= ox; - neway -= oy; - switch (type) { - case PathIterator.SEG_CUBICTO: - point[0] += ax; - point[1] += ay; - point[2] += newax; - point[3] += neway; - break; - case PathIterator.SEG_QUADTO: - point[0] += (newax + ax) / 2; - point[1] += (neway + ay) / 2; - break; - case PathIterator.SEG_MOVETO: - case PathIterator.SEG_LINETO: - case PathIterator.SEG_CLOSE: - break; - } - ax = newax; - ay = neway; - } - } - switch (type) { - case PathIterator.SEG_MOVETO: - - /* Checking SEG_MOVETO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles NaN - * and Infinity values. Skipping next path segment in case of - * invalid data. - */ - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND) - { - mx = point[0]; - my = point[1]; - consumer.beginSubpath(mx, my); - subpathStarted = true; - skip = false; - } else { - skip = true; - } - break; - case PathIterator.SEG_LINETO: - /* Checking SEG_LINETO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles NaN - * and Infinity values. Ignoring current path segment in case - * of invalid data. If segment is skipped its endpoint - * (if valid) is used to begin new subpath. - */ - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND) - { - if (skip) { - consumer.beginSubpath(point[0], point[1]); - subpathStarted = true; - skip = false; - } else { - consumer.appendLine(point[0], point[1]); - } - } - break; - case PathIterator.SEG_QUADTO: - // Quadratic curves take two points - - /* Checking SEG_QUADTO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles NaN - * and Infinity values. Ignoring current path segment in case - * of invalid endpoints's data. Equivalent to the SEG_LINETO - * if endpoint coordinates are valid but there are invalid data - * among other coordinates - */ - if (point[2] < UPPER_BND && point[2] > LOWER_BND && - point[3] < UPPER_BND && point[3] > LOWER_BND) - { - if (skip) { - consumer.beginSubpath(point[2], point[3]); - subpathStarted = true; - skip = false; - } else { - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND) - { - consumer.appendQuadratic(point[0], point[1], - point[2], point[3]); - } else { - consumer.appendLine(point[2], point[3]); - } - } - } - break; - case PathIterator.SEG_CUBICTO: - // Cubic curves take three points - - /* Checking SEG_CUBICTO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles NaN - * and Infinity values. Ignoring current path segment in case - * of invalid endpoints's data. Equivalent to the SEG_LINETO - * if endpoint coordinates are valid but there are invalid data - * among other coordinates - */ - if (point[4] < UPPER_BND && point[4] > LOWER_BND && - point[5] < UPPER_BND && point[5] > LOWER_BND) - { - if (skip) { - consumer.beginSubpath(point[4], point[5]); - subpathStarted = true; - skip = false; - } else { - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND && - point[2] < UPPER_BND && point[2] > LOWER_BND && - point[3] < UPPER_BND && point[3] > LOWER_BND) - { - consumer.appendCubic(point[0], point[1], - point[2], point[3], - point[4], point[5]); - } else { - consumer.appendLine(point[4], point[5]); - } - } - } - break; - case PathIterator.SEG_CLOSE: - if (subpathStarted) { - consumer.closedSubpath(); - subpathStarted = false; - pathClosed = true; - } - break; - } - pi.next(); - } - - consumer.endPath(); - } - - private static Rasterizer theRasterizer; - - public static synchronized Rasterizer getRasterizer() { - Rasterizer r = theRasterizer; - if (r == null) { - r = new Rasterizer(); - } else { - theRasterizer = null; - } - return r; - } - - public static synchronized void dropRasterizer(Rasterizer r) { - r.reset(); - theRasterizer = r; - } - - /** - * {@inheritDoc} - */ - @Override - public float getMinimumAAPenSize() { - return MinPenSizeAA; - } - - /** - * {@inheritDoc} - */ - @Override - public AATileGenerator getAATileGenerator(Shape s, - AffineTransform at, - Region clip, - BasicStroke bs, - boolean thin, - boolean normalize, - int bbox[]) - { - Rasterizer r = getRasterizer(); - PathIterator pi = s.getPathIterator(at); - - if (bs != null) { - float matrix[] = null; - r.setUsage(Rasterizer.STROKE); - if (thin) { - r.setPenDiameter(MinPenSizeAA); - } else { - r.setPenDiameter(bs.getLineWidth()); - if (at != null) { - matrix = getTransformMatrix(at); - r.setPenT4(matrix); - } - r.setPenFitting(PenUnits, MinPenUnitsAA); - } - r.setCaps(RasterizerCaps[bs.getEndCap()]); - r.setCorners(RasterizerCorners[bs.getLineJoin()], - bs.getMiterLimit()); - float[] dashes = bs.getDashArray(); - if (dashes != null) { - r.setDash(dashes, bs.getDashPhase()); - if (at != null && matrix == null) { - matrix = getTransformMatrix(at); - } - r.setDashT4(matrix); - } - } else { - r.setUsage(pi.getWindingRule() == PathIterator.WIND_EVEN_ODD - ? Rasterizer.EOFILL - : Rasterizer.NZFILL); - } - - r.beginPath(); - { - boolean pathClosed = false; - boolean skip = false; - boolean subpathStarted = false; - float mx = 0.0f; - float my = 0.0f; - float point[] = new float[6]; - float ax = 0.0f; - float ay = 0.0f; - - while (!pi.isDone()) { - int type = pi.currentSegment(point); - if (pathClosed == true) { - pathClosed = false; - if (type != PathIterator.SEG_MOVETO) { - // Force current point back to last moveto point - r.beginSubpath(mx, my); - subpathStarted = true; - } - } - if (normalize) { - int index; - switch (type) { - case PathIterator.SEG_CUBICTO: - index = 4; - break; - case PathIterator.SEG_QUADTO: - index = 2; - break; - case PathIterator.SEG_MOVETO: - case PathIterator.SEG_LINETO: - index = 0; - break; - case PathIterator.SEG_CLOSE: - default: - index = -1; - break; - } - if (index >= 0) { - float ox = point[index]; - float oy = point[index+1]; - float newax = (float) Math.floor(ox) + 0.5f; - float neway = (float) Math.floor(oy) + 0.5f; - point[index] = newax; - point[index+1] = neway; - newax -= ox; - neway -= oy; - switch (type) { - case PathIterator.SEG_CUBICTO: - point[0] += ax; - point[1] += ay; - point[2] += newax; - point[3] += neway; - break; - case PathIterator.SEG_QUADTO: - point[0] += (newax + ax) / 2; - point[1] += (neway + ay) / 2; - break; - case PathIterator.SEG_MOVETO: - case PathIterator.SEG_LINETO: - case PathIterator.SEG_CLOSE: - break; - } - ax = newax; - ay = neway; - } - } - switch (type) { - case PathIterator.SEG_MOVETO: - - /* Checking SEG_MOVETO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles NaN - * and Infinity values. Skipping next path segment in case - * of invalid data. - */ - - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND) - { - mx = point[0]; - my = point[1]; - r.beginSubpath(mx, my); - subpathStarted = true; - skip = false; - } else { - skip = true; - } - break; - - case PathIterator.SEG_LINETO: - /* Checking SEG_LINETO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles - * NaN and Infinity values. Ignoring current path segment - * in case of invalid data. If segment is skipped its - * endpoint (if valid) is used to begin new subpath. - */ - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND) - { - if (skip) { - r.beginSubpath(point[0], point[1]); - subpathStarted = true; - skip = false; - } else { - r.appendLine(point[0], point[1]); - } - } - break; - - case PathIterator.SEG_QUADTO: - // Quadratic curves take two points - - /* Checking SEG_QUADTO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles - * NaN and Infinity values. Ignoring current path segment - * in case of invalid endpoints's data. Equivalent to the - * SEG_LINETO if endpoint coordinates are valid but there - * are invalid data among other coordinates - */ - if (point[2] < UPPER_BND && point[2] > LOWER_BND && - point[3] < UPPER_BND && point[3] > LOWER_BND) - { - if (skip) { - r.beginSubpath(point[2], point[3]); - subpathStarted = true; - skip = false; - } else { - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND) - { - r.appendQuadratic(point[0], point[1], - point[2], point[3]); - } else { - r.appendLine(point[2], point[3]); - } - } - } - break; - case PathIterator.SEG_CUBICTO: - // Cubic curves take three points - - /* Checking SEG_CUBICTO coordinates if they are out of the - * [LOWER_BND, UPPER_BND] range. This check also handles - * NaN and Infinity values. Ignoring current path segment - * in case of invalid endpoints's data. Equivalent to the - * SEG_LINETO if endpoint coordinates are valid but there - * are invalid data among other coordinates - */ - - if (point[4] < UPPER_BND && point[4] > LOWER_BND && - point[5] < UPPER_BND && point[5] > LOWER_BND) - { - if (skip) { - r.beginSubpath(point[4], point[5]); - subpathStarted = true; - skip = false; - } else { - if (point[0] < UPPER_BND && point[0] > LOWER_BND && - point[1] < UPPER_BND && point[1] > LOWER_BND && - point[2] < UPPER_BND && point[2] > LOWER_BND && - point[3] < UPPER_BND && point[3] > LOWER_BND) - { - r.appendCubic(point[0], point[1], - point[2], point[3], - point[4], point[5]); - } else { - r.appendLine(point[4], point[5]); - } - } - } - break; - case PathIterator.SEG_CLOSE: - if (subpathStarted) { - r.closedSubpath(); - subpathStarted = false; - pathClosed = true; - } - break; - } - pi.next(); - } - } - - try { - r.endPath(); - r.getAlphaBox(bbox); - clip.clipBoxToBounds(bbox); - if (bbox[0] >= bbox[2] || bbox[1] >= bbox[3]) { - dropRasterizer(r); - return null; - } - r.setOutputArea(bbox[0], bbox[1], - bbox[2] - bbox[0], - bbox[3] - bbox[1]); - } catch (PRException e) { - /* - * This exeption is thrown from the native part of the Ductus - * (only in case of a debug build) to indicate that some - * segments of the path have very large coordinates. - * See 4485298 for more info. - */ - System.err.println("DuctusRenderingEngine.getAATileGenerator: "+e); - } - - return r; - } - - /** - * {@inheritDoc} - */ - @Override - public AATileGenerator getAATileGenerator(double x, double y, - double dx1, double dy1, - double dx2, double dy2, - double lw1, double lw2, - Region clip, - int bbox[]) - { - // REMIND: Deal with large coordinates! - double ldx1, ldy1, ldx2, ldy2; - boolean innerpgram = (lw1 > 0 && lw2 > 0); - - if (innerpgram) { - ldx1 = dx1 * lw1; - ldy1 = dy1 * lw1; - ldx2 = dx2 * lw2; - ldy2 = dy2 * lw2; - x -= (ldx1 + ldx2) / 2.0; - y -= (ldy1 + ldy2) / 2.0; - dx1 += ldx1; - dy1 += ldy1; - dx2 += ldx2; - dy2 += ldy2; - if (lw1 > 1 && lw2 > 1) { - // Inner parallelogram was entirely consumed by stroke... - innerpgram = false; - } - } else { - ldx1 = ldy1 = ldx2 = ldy2 = 0; - } - - Rasterizer r = getRasterizer(); - - r.setUsage(Rasterizer.EOFILL); - - r.beginPath(); - r.beginSubpath((float) x, (float) y); - r.appendLine((float) (x+dx1), (float) (y+dy1)); - r.appendLine((float) (x+dx1+dx2), (float) (y+dy1+dy2)); - r.appendLine((float) (x+dx2), (float) (y+dy2)); - r.closedSubpath(); - if (innerpgram) { - x += ldx1 + ldx2; - y += ldy1 + ldy2; - dx1 -= 2.0 * ldx1; - dy1 -= 2.0 * ldy1; - dx2 -= 2.0 * ldx2; - dy2 -= 2.0 * ldy2; - r.beginSubpath((float) x, (float) y); - r.appendLine((float) (x+dx1), (float) (y+dy1)); - r.appendLine((float) (x+dx1+dx2), (float) (y+dy1+dy2)); - r.appendLine((float) (x+dx2), (float) (y+dy2)); - r.closedSubpath(); - } - - try { - r.endPath(); - r.getAlphaBox(bbox); - clip.clipBoxToBounds(bbox); - if (bbox[0] >= bbox[2] || bbox[1] >= bbox[3]) { - dropRasterizer(r); - return null; - } - r.setOutputArea(bbox[0], bbox[1], - bbox[2] - bbox[0], - bbox[3] - bbox[1]); - } catch (PRException e) { - /* - * This exeption is thrown from the native part of the Ductus - * (only in case of a debug build) to indicate that some - * segments of the path have very large coordinates. - * See 4485298 for more info. - */ - System.err.println("DuctusRenderingEngine.getAATileGenerator: "+e); - } - - return r; - } - - private void feedConsumer(PathConsumer consumer, PathIterator pi) { - try { - consumer.beginPath(); - boolean pathClosed = false; - float mx = 0.0f; - float my = 0.0f; - float point[] = new float[6]; - - while (!pi.isDone()) { - int type = pi.currentSegment(point); - if (pathClosed == true) { - pathClosed = false; - if (type != PathIterator.SEG_MOVETO) { - // Force current point back to last moveto point - consumer.beginSubpath(mx, my); - } - } - switch (type) { - case PathIterator.SEG_MOVETO: - mx = point[0]; - my = point[1]; - consumer.beginSubpath(point[0], point[1]); - break; - case PathIterator.SEG_LINETO: - consumer.appendLine(point[0], point[1]); - break; - case PathIterator.SEG_QUADTO: - consumer.appendQuadratic(point[0], point[1], - point[2], point[3]); - break; - case PathIterator.SEG_CUBICTO: - consumer.appendCubic(point[0], point[1], - point[2], point[3], - point[4], point[5]); - break; - case PathIterator.SEG_CLOSE: - consumer.closedSubpath(); - pathClosed = true; - break; - } - pi.next(); - } - - consumer.endPath(); - } catch (PathException e) { - throw new InternalError("Unable to Stroke shape ("+ - e.getMessage()+")", e); - } - } - - private class FillAdapter implements PathConsumer { - boolean closed; - Path2D.Float path; - - public FillAdapter() { - // Ductus only supplies float coordinates so - // Path2D.Double is not necessary here. - path = new Path2D.Float(Path2D.WIND_NON_ZERO); - } - - public Shape getShape() { - return path; - } - - public void dispose() { - } - - public PathConsumer getConsumer() { - return null; - } - - public void beginPath() {} - - public void beginSubpath(float x0, float y0) { - if (closed) { - path.closePath(); - closed = false; - } - path.moveTo(x0, y0); - } - - public void appendLine(float x1, float y1) { - path.lineTo(x1, y1); - } - - public void appendQuadratic(float xm, float ym, float x1, float y1) { - path.quadTo(xm, ym, x1, y1); - } - - public void appendCubic(float xm, float ym, - float xn, float yn, - float x1, float y1) { - path.curveTo(xm, ym, xn, yn, x1, y1); - } - - public void closedSubpath() { - closed = true; - } - - public void endPath() { - if (closed) { - path.closePath(); - closed = false; - } - } - - public void useProxy(FastPathProducer proxy) - throws PathException - { - proxy.sendTo(this); - } - - public long getCPathConsumer() { - return 0; - } - } -}