- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.render.afp;
-
- import java.awt.Color;
- import java.awt.Dimension;
- import java.awt.Graphics2D;
- import java.awt.Paint;
- import java.awt.Point;
- import java.awt.Rectangle;
- import java.awt.geom.AffineTransform;
- import java.awt.geom.Area;
- import java.awt.geom.Ellipse2D;
- import java.awt.geom.GeneralPath;
- import java.awt.geom.Rectangle2D;
- import java.io.IOException;
- import java.net.URI;
- import java.net.URISyntaxException;
- import java.nio.charset.CharacterCodingException;
- import java.security.MessageDigest;
- import java.util.Map;
-
- import org.w3c.dom.Document;
-
- import org.apache.xmlgraphics.image.loader.Image;
- import org.apache.xmlgraphics.image.loader.ImageException;
- import org.apache.xmlgraphics.image.loader.ImageInfo;
- import org.apache.xmlgraphics.image.loader.ImageProcessingHints;
- import org.apache.xmlgraphics.image.loader.ImageSessionContext;
- import org.apache.xmlgraphics.image.loader.ImageSize;
- import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D;
- import org.apache.xmlgraphics.java2d.Graphics2DImagePainter;
-
- import org.apache.fop.afp.AFPBorderPainter;
- import org.apache.fop.afp.AFPEventProducer;
- import org.apache.fop.afp.AFPObjectAreaInfo;
- import org.apache.fop.afp.AFPPaintingState;
- import org.apache.fop.afp.AFPResourceInfo;
- import org.apache.fop.afp.AFPUnitConverter;
- import org.apache.fop.afp.AbstractAFPPainter;
- import org.apache.fop.afp.BorderPaintingInfo;
- import org.apache.fop.afp.DataStream;
- import org.apache.fop.afp.RectanglePaintingInfo;
- import org.apache.fop.afp.fonts.AFPFont;
- import org.apache.fop.afp.fonts.AFPFontAttributes;
- import org.apache.fop.afp.fonts.AFPPageFonts;
- import org.apache.fop.afp.fonts.CharacterSet;
- import org.apache.fop.afp.modca.AbstractPageObject;
- import org.apache.fop.afp.modca.PresentationTextObject;
- import org.apache.fop.afp.ptoca.PtocaBuilder;
- import org.apache.fop.afp.ptoca.PtocaProducer;
- import org.apache.fop.afp.util.AFPResourceAccessor;
- import org.apache.fop.fonts.Font;
- import org.apache.fop.fonts.FontTriplet;
- import org.apache.fop.fonts.FontType;
- import org.apache.fop.fonts.Typeface;
- import org.apache.fop.render.ImageHandlerUtil;
- import org.apache.fop.render.RenderingContext;
- import org.apache.fop.render.intermediate.AbstractIFPainter;
- import org.apache.fop.render.intermediate.BorderPainter;
- import org.apache.fop.render.intermediate.GraphicsPainter;
- import org.apache.fop.render.intermediate.IFException;
- import org.apache.fop.render.intermediate.IFState;
- import org.apache.fop.render.intermediate.IFUtil;
- import org.apache.fop.traits.BorderProps;
- import org.apache.fop.traits.RuleStyle;
- import org.apache.fop.util.CharUtilities;
-
- /**
- * IFPainter implementation that produces AFP (MO:DCA).
- */
- public class AFPPainter extends AbstractIFPainter<AFPDocumentHandler> {
-
- private static final int X = 0;
-
- private static final int Y = 1;
-
- private final GraphicsPainter graphicsPainter;
-
- /** the border painter */
- private final AFPBorderPainterAdapter borderPainter;
- /** the rectangle painter */
- private final AbstractAFPPainter rectanglePainter;
-
- /** unit converter */
- private final AFPUnitConverter unitConv;
-
- private final AFPEventProducer eventProducer;
- private Integer bytesAvailable;
-
- /**
- * Default constructor.
- * @param documentHandler the parent document handler
- */
- public AFPPainter(AFPDocumentHandler documentHandler) {
- super(documentHandler);
- this.state = IFState.create();
- this.graphicsPainter = new AFPGraphicsPainter(
- new AFPBorderPainter(getPaintingState(), getDataStream()));
- this.borderPainter = new AFPBorderPainterAdapter(graphicsPainter, this, documentHandler);
- this.rectanglePainter = documentHandler.createRectanglePainter();
- this.unitConv = getPaintingState().getUnitConverter();
- this.eventProducer = AFPEventProducer.Provider.get(getUserAgent().getEventBroadcaster());
- }
-
- private AFPPaintingState getPaintingState() {
- return getDocumentHandler().getPaintingState();
- }
-
- private DataStream getDataStream() {
- return getDocumentHandler().getDataStream();
- }
-
- @Override
- public String getFontKey(FontTriplet triplet) throws IFException {
- try {
- return super.getFontKey(triplet);
- } catch (IFException e) {
- eventProducer.invalidConfiguration(null, e);
- return super.getFontKey(FontTriplet.DEFAULT_FONT_TRIPLET);
- }
- }
-
- /** {@inheritDoc} */
- public void startViewport(AffineTransform transform, Dimension size, Rectangle clipRect)
- throws IFException {
- //AFP doesn't support clipping, so we treat viewport like a group
- //this is the same code as for startGroup()
- try {
- saveGraphicsState();
- concatenateTransformationMatrix(transform);
- } catch (IOException ioe) {
- throw new IFException("I/O error in startViewport()", ioe);
- }
- }
-
- /** {@inheritDoc} */
- public void endViewport() throws IFException {
- try {
- restoreGraphicsState();
- } catch (IOException ioe) {
- throw new IFException("I/O error in endViewport()", ioe);
- }
- }
-
- private void concatenateTransformationMatrix(AffineTransform at) {
- if (!at.isIdentity()) {
- getPaintingState().concatenate(at);
- }
- }
-
- /** {@inheritDoc} */
- public void startGroup(AffineTransform transform, String layer) throws IFException {
- try {
- saveGraphicsState();
- concatenateTransformationMatrix(transform);
- } catch (IOException ioe) {
- throw new IFException("I/O error in startGroup()", ioe);
- }
- }
-
- /** {@inheritDoc} */
- public void endGroup() throws IFException {
- try {
- restoreGraphicsState();
- } catch (IOException ioe) {
- throw new IFException("I/O error in endGroup()", ioe);
- }
- }
-
- /** {@inheritDoc} */
- @Override
- protected Map createDefaultImageProcessingHints(ImageSessionContext sessionContext) {
- Map hints = super.createDefaultImageProcessingHints(sessionContext);
-
- //AFP doesn't support alpha channels
- hints.put(ImageProcessingHints.TRANSPARENCY_INTENT,
- ImageProcessingHints.TRANSPARENCY_INTENT_IGNORE);
- hints.put("CMYK", getDocumentHandler().getPaintingState().isCMYKImagesSupported());
- return hints;
- }
-
- /** {@inheritDoc} */
- @Override
- protected RenderingContext createRenderingContext() {
- AFPRenderingContext renderingContext = new AFPRenderingContext(
- getUserAgent(),
- getDocumentHandler().getResourceManager(),
- getPaintingState(),
- getFontInfo(),
- getContext().getForeignAttributes());
- return renderingContext;
- }
-
- /** {@inheritDoc} */
- public void drawImage(String uri, Rectangle rect) throws IFException {
- PageSegmentDescriptor pageSegment = getDocumentHandler().getPageSegmentNameFor(uri);
-
- if (pageSegment != null) {
- float[] srcPts = {rect.x, rect.y};
- int[] coords = unitConv.mpts2units(srcPts);
- int width = Math.round(unitConv.mpt2units(rect.width));
- int height = Math.round(unitConv.mpt2units(rect.height));
-
- getDataStream().createIncludePageSegment(pageSegment.getName(),
- coords[X], coords[Y], width, height);
-
- //Do we need to embed an external page segment?
- if (pageSegment.getURI() != null) {
- AFPResourceAccessor accessor = new AFPResourceAccessor(
- getDocumentHandler().getUserAgent().getResourceResolver());
- try {
- URI resourceUri = new URI(pageSegment.getURI());
- getDocumentHandler().getResourceManager().createIncludedResourceFromExternal(
- pageSegment.getName(), resourceUri, accessor);
-
- } catch (URISyntaxException urie) {
- throw new IFException("Could not handle resource url"
- + pageSegment.getURI(), urie);
- } catch (IOException ioe) {
- throw new IFException("Could not handle resource" + pageSegment.getURI(), ioe);
- }
- }
-
- } else {
- drawImageUsingURI(uri, rect);
- }
- }
-
- /** {@inheritDoc} */
- protected void drawImage(Image image, Rectangle rect,
- RenderingContext context, boolean convert, Map additionalHints)
- throws IOException, ImageException {
-
-
- AFPRenderingContext afpContext = (AFPRenderingContext) context;
-
- AFPResourceInfo resourceInfo = AFPImageHandler.createResourceInformation(
- image.getInfo().getOriginalURI(),
- afpContext.getForeignAttributes());
-
- //Check if the image is cached before processing it again
- if (afpContext.getResourceManager().isObjectCached(resourceInfo)) {
-
- AFPObjectAreaInfo areaInfo = AFPImageHandler.createObjectAreaInfo(
- afpContext.getPaintingState(), rect);
-
- afpContext.getResourceManager().includeCachedObject(resourceInfo, areaInfo);
-
- } else {
- super.drawImage(image, rect, context, convert, additionalHints);
- }
-
- }
-
- /** {@inheritDoc} */
- public void drawImage(Document doc, Rectangle rect) throws IFException {
- drawImageUsingDocument(doc, rect);
- }
-
- /** {@inheritDoc} */
- public void clipRect(Rectangle rect) throws IFException {
- //Not supported!
- }
-
- private float toPoint(int mpt) {
- return mpt / 1000f;
- }
-
- /** {@inheritDoc} */
- public void fillRect(Rectangle rect, Paint fill) throws IFException {
- if (fill == null) {
- return;
- }
- if (rect.width != 0 && rect.height != 0) {
- if (fill instanceof Color) {
- getPaintingState().setColor((Color) fill);
- } else {
- throw new UnsupportedOperationException("Non-Color paints NYI");
- }
- RectanglePaintingInfo rectanglePaintInfo = new RectanglePaintingInfo(
- toPoint(rect.x), toPoint(rect.y), toPoint(rect.width), toPoint(rect.height));
- try {
- rectanglePainter.paint(rectanglePaintInfo);
- } catch (IOException ioe) {
- throw new IFException("IO error while painting rectangle", ioe);
- }
- }
- }
-
- @Override
- public void drawBorderRect(Rectangle rect, BorderProps top, BorderProps bottom,
- BorderProps left, BorderProps right, Color innerBackgroundColor) throws IFException {
- if (top != null || bottom != null || left != null || right != null) {
- this.borderPainter.drawBorders(rect, top, bottom, left, right, innerBackgroundColor);
- }
- }
-
-
- private static final class AFPGraphicsPainter implements GraphicsPainter {
-
- private final AFPBorderPainter graphicsPainter;
-
- private AFPGraphicsPainter(AFPBorderPainter delegate) {
- this.graphicsPainter = delegate;
- }
-
- public void drawBorderLine(int x1, int y1, int x2, int y2,
- boolean horz, boolean startOrBefore, int style, Color color)
- throws IOException {
- BorderPaintingInfo borderPaintInfo = new BorderPaintingInfo(
- toPoints(x1), toPoints(y1), toPoints(x2), toPoints(y2),
- horz, style, color);
- graphicsPainter.paint(borderPaintInfo);
- }
-
- private float toPoints(int mpt) {
- return mpt / 1000f;
- }
-
- public void drawLine(Point start, Point end, int width,
- Color color, RuleStyle style) throws IOException {
- if (start.y != end.y) {
- //TODO Support arbitrary lines if necessary
- throw new UnsupportedOperationException("Can only deal with horizontal lines right now");
- }
- //Simply delegates to drawBorderLine() as AFP line painting is not very sophisticated.
- int halfWidth = width / 2;
- drawBorderLine(start.x, start.y - halfWidth, end.x, start.y + halfWidth,
- true, true, style.getEnumValue(), color);
- }
-
- public void moveTo(int x, int y) throws IOException {
- }
-
- public void lineTo(int x, int y) throws IOException {
- }
-
- public void arcTo(double startAngle, double endAngle, int cx, int cy,
- int width, int height) throws IOException {
- }
-
- public void rotateCoordinates(double angle) throws IOException {
- throw new UnsupportedOperationException("Cannot handle coordinate rotation");
- }
-
- public void translateCoordinates(int xTranslate, int yTranslate) throws IOException {
- throw new UnsupportedOperationException("Cannot handle coordinate translation");
- }
-
- public void scaleCoordinates(float xScale, float yScale) throws IOException {
- throw new UnsupportedOperationException("Cannot handle coordinate scaling");
- }
-
- public void closePath() throws IOException {
- }
-
- public void clip() throws IOException {
- }
-
- public void saveGraphicsState() throws IOException {
- }
-
- public void restoreGraphicsState() throws IOException {
- }
-
-
- }
-
- //TODO Try to resolve the name-clash between the AFPBorderPainter in the afp package
- //and this one. Not done for now to avoid a lot of re-implementation and code duplication.
- private static class AFPBorderPainterAdapter extends BorderPainter {
-
- private final class BorderImagePainter implements Graphics2DImagePainter {
- private final double cornerCorrectionFactor;
- private final Rectangle borderRect;
- private final BorderProps bpsStart;
- private final BorderProps bpsEnd;
- private final BorderProps bpsBefore;
- private final BorderProps bpsAfter;
- private final boolean[] roundCorner;
- private final Color innerBackgroundColor;
-
- /* TODO represent border related parameters in a class */
- private BorderImagePainter(double cornerCorrectionFactor, Rectangle borderRect,
- BorderProps bpsStart, BorderProps bpsEnd,
- BorderProps bpsBefore, BorderProps bpsAfter,
- boolean[] roundCorner, Color innerBackgroundColor) {
- this.cornerCorrectionFactor = cornerCorrectionFactor;
- this.borderRect = borderRect;
- this.bpsStart = bpsStart;
- this.bpsBefore = bpsBefore;
- this.roundCorner = roundCorner;
- this.bpsEnd = bpsEnd;
- this.bpsAfter = bpsAfter;
- this.innerBackgroundColor = innerBackgroundColor;
- }
-
- public void paint(Graphics2D g2d, Rectangle2D area) {
-
- //background
- Area background = new Area(area);
- Area cornerRegion = new Area();
- Area[] cornerBorder = new Area[]{new Area(), new Area(), new Area(), new Area()};
- Area[] clip = new Area[4];
- if (roundCorner[TOP_LEFT]) {
- AffineTransform transform = new AffineTransform();
- int beforeRadius = (int)(cornerCorrectionFactor * bpsBefore.getRadiusStart());
- int startRadius = (int)(cornerCorrectionFactor * bpsStart.getRadiusStart());
-
- int beforeWidth = bpsBefore.width;
- int startWidth = bpsStart.width;
- int corner = TOP_LEFT;
-
- background.subtract(makeCornerClip(beforeRadius, startRadius,
- transform));
-
- clip[TOP_LEFT] = new Area(new Rectangle(0, 0, startRadius, beforeRadius));
- clip[TOP_LEFT].transform(transform);
- cornerRegion.add(clip[TOP_LEFT]);
-
- cornerBorder[TOP].add(makeCornerBorderBPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
-
- cornerBorder[LEFT].add(makeCornerBorderIPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
- }
-
- if (roundCorner[TOP_RIGHT]) {
- AffineTransform transform
- = new AffineTransform(-1, 0, 0, 1, borderRect.width, 0);
-
- int beforeRadius = (int)(cornerCorrectionFactor * bpsBefore.getRadiusEnd());
- int startRadius = (int)(cornerCorrectionFactor * bpsEnd.getRadiusStart());
-
- int beforeWidth = bpsBefore.width;
- int startWidth = bpsEnd.width;
- int corner = TOP_RIGHT;
-
- background.subtract(makeCornerClip(beforeRadius, startRadius,
- transform));
-
- clip[TOP_RIGHT] = new Area(new Rectangle(0, 0, startRadius, beforeRadius));
- clip[TOP_RIGHT].transform(transform);
- cornerRegion.add(clip[TOP_RIGHT]);
-
- cornerBorder[TOP].add(makeCornerBorderBPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
-
- cornerBorder[RIGHT].add(makeCornerBorderIPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
- }
-
- if (roundCorner[BOTTOM_RIGHT]) {
- AffineTransform transform = new AffineTransform(-1, 0, 0, -1,
- borderRect.width, borderRect.height);
-
- int beforeRadius = (int)(cornerCorrectionFactor * bpsAfter.getRadiusEnd());
- int startRadius = (int)(cornerCorrectionFactor * bpsEnd.getRadiusEnd());
-
- int beforeWidth = bpsAfter.width;
- int startWidth = bpsEnd.width;
- int corner = BOTTOM_RIGHT;
-
- background.subtract(makeCornerClip(beforeRadius, startRadius,
- transform));
-
- clip[BOTTOM_RIGHT] = new Area(new Rectangle(0, 0, startRadius, beforeRadius));
- clip[BOTTOM_RIGHT].transform(transform);
- cornerRegion.add(clip[BOTTOM_RIGHT]);
-
- cornerBorder[BOTTOM].add(makeCornerBorderBPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
- cornerBorder[RIGHT].add(makeCornerBorderIPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
- }
-
- if (roundCorner[BOTTOM_LEFT]) {
- AffineTransform transform
- = new AffineTransform(1, 0, 0, -1, 0, borderRect.height);
-
- int beforeRadius = (int)(cornerCorrectionFactor * bpsAfter.getRadiusStart());
- int startRadius = (int)(cornerCorrectionFactor * bpsStart.getRadiusEnd());
-
- int beforeWidth = bpsAfter.width;
- int startWidth = bpsStart.width;
- int corner = BOTTOM_LEFT;
-
- background.subtract(makeCornerClip(beforeRadius, startRadius,
- transform));
-
- clip[BOTTOM_LEFT] = new Area(new Rectangle(0, 0, startRadius, beforeRadius));
- clip[BOTTOM_LEFT].transform(transform);
- cornerRegion.add(clip[BOTTOM_LEFT]);
-
- cornerBorder[BOTTOM].add(makeCornerBorderBPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
- cornerBorder[LEFT].add(makeCornerBorderIPD(beforeRadius,
- startRadius, beforeWidth, startWidth, transform));
- }
-
- g2d.setColor(innerBackgroundColor);
- g2d.fill(background);
-
- //paint the borders
- //TODO refactor to repeating code into method
- if (bpsBefore != null && bpsBefore.width > 0) {
- GeneralPath borderPath = new GeneralPath();
- borderPath.moveTo(0, 0);
- borderPath.lineTo(borderRect.width, 0);
- borderPath.lineTo(
- borderRect.width - (bpsEnd == null ? 0 : bpsEnd.width),
- bpsBefore.width);
- borderPath.lineTo(bpsStart == null ? 0 : bpsStart.width, bpsBefore.width);
-
- Area border = new Area(borderPath);
-
- if (clip[TOP_LEFT] != null) {
- border.subtract(clip[TOP_LEFT]);
- }
- if (clip[TOP_RIGHT] != null) {
- border.subtract(clip[TOP_RIGHT]);
- }
-
- g2d.setColor(bpsBefore.color);
- g2d.fill(border);
- g2d.fill(cornerBorder[TOP]);
- }
-
- if (bpsEnd != null && bpsEnd.width > 0) {
- GeneralPath borderPath = new GeneralPath();
- borderPath.moveTo(borderRect.width, 0);
- borderPath.lineTo(borderRect.width, borderRect.height);
- borderPath.lineTo(
- borderRect.width - bpsEnd.width,
- borderRect.height - (bpsAfter == null ? 0 : bpsAfter.width));
- borderPath.lineTo(
- borderRect.width - bpsEnd.width,
- bpsBefore == null ? 0 : bpsBefore.width);
-
- Area border = new Area(borderPath);
-
- if (clip[BOTTOM_RIGHT] != null) {
- border.subtract(clip[BOTTOM_RIGHT]);
- }
- if (clip[TOP_RIGHT] != null) {
- border.subtract(clip[TOP_RIGHT]);
- }
-
- g2d.setColor(bpsEnd.color);
- g2d.fill(border);
- g2d.fill(cornerBorder[RIGHT]);
- }
-
- if (bpsAfter != null && bpsAfter.width > 0) {
- GeneralPath borderPath = new GeneralPath();
- borderPath.moveTo(0, borderRect.height);
- borderPath.lineTo(borderRect.width, borderRect.height);
- borderPath.lineTo(
- borderRect.width - (bpsEnd == null ? 0 : bpsEnd.width),
- borderRect.height - bpsAfter.width);
- borderPath.lineTo(bpsStart == null ? 0 : bpsStart.width,
- borderRect.height - bpsAfter.width);
- Area border = new Area(borderPath);
- if (clip[BOTTOM_LEFT] != null) {
- border.subtract(clip[BOTTOM_LEFT]);
- }
- if (clip[BOTTOM_RIGHT] != null) {
- border.subtract(clip[BOTTOM_RIGHT]);
- }
- g2d.setColor(bpsAfter.color);
- g2d.fill(border);
- g2d.fill(cornerBorder[BOTTOM]);
- }
-
- if (bpsStart != null && bpsStart.width > 0) {
-
- GeneralPath borderPath = new GeneralPath();
- borderPath.moveTo(bpsStart.width,
- bpsBefore == null ? 0 : bpsBefore.width);
- borderPath.lineTo(bpsStart.width,
- borderRect.height - (bpsAfter == null ? 0 : bpsAfter.width));
- borderPath.lineTo(0, borderRect.height);
- borderPath.lineTo(0, 0);
-
- Area border = new Area(borderPath);
-
- if (clip[BOTTOM_LEFT] != null) {
- border.subtract(clip[BOTTOM_LEFT]);
- }
- if (clip[TOP_LEFT] != null) {
- border.subtract(clip[TOP_LEFT]);
- }
- g2d.setColor(bpsStart.color);
- g2d.fill(border);
- g2d.fill(cornerBorder[LEFT]);
- }
- }
-
- public Dimension getImageSize() {
- return borderRect.getSize();
- }
- }
-
- private final AFPPainter painter;
- private final AFPDocumentHandler documentHandler;
-
- public AFPBorderPainterAdapter(GraphicsPainter graphicsPainter, AFPPainter painter,
- AFPDocumentHandler documentHandler) {
- super(graphicsPainter);
- this.painter = painter;
- this.documentHandler = documentHandler;
- }
-
- public void drawBorders(final Rectangle borderRect,
- final BorderProps bpsBefore, final BorderProps bpsAfter,
- final BorderProps bpsStart, final BorderProps bpsEnd, Color innerBackgroundColor)
- throws IFException {
- drawRoundedCorners(borderRect, bpsBefore, bpsAfter, bpsStart, bpsEnd, innerBackgroundColor);
- }
-
- private boolean isBackgroundRequired(BorderProps bpsBefore, BorderProps bpsAfter,
- BorderProps bpsStart, BorderProps bpsEnd) {
- return !hasRoundedCorners(bpsBefore, bpsAfter, bpsStart, bpsEnd);
- }
-
- private boolean hasRoundedCorners(final BorderProps bpsBefore, final BorderProps bpsAfter,
- final BorderProps bpsStart, final BorderProps bpsEnd) {
- return ((bpsStart == null ? false : bpsStart.getRadiusStart() > 0)
- && (bpsBefore == null ? false : bpsBefore.getRadiusStart() > 0))
- || ((bpsBefore == null ? false : bpsBefore.getRadiusEnd() > 0)
- && (bpsEnd == null ? false : bpsEnd.getRadiusStart() > 0))
- || ((bpsEnd == null ? false : bpsEnd.getRadiusEnd() > 0)
- && (bpsAfter == null ? false : bpsAfter.getRadiusEnd() > 0))
- || ((bpsAfter == null ? false : bpsAfter.getRadiusStart() > 0)
- && (bpsStart == null ? false : bpsStart.getRadiusEnd() > 0));
- }
-
- private void drawRoundedCorners(final Rectangle borderRect,
- final BorderProps bpsBefore, final BorderProps bpsAfter,
- final BorderProps bpsStart, final BorderProps bpsEnd,
- final Color innerBackgroundColor) throws IFException {
- final double cornerCorrectionFactor = calculateCornerCorrectionFactor(borderRect.width,
- borderRect.height, bpsBefore, bpsAfter, bpsStart, bpsEnd);
- final boolean[] roundCorner = new boolean[]{
- bpsBefore != null && bpsStart != null
- && bpsBefore.getRadiusStart() > 0
- && bpsStart.getRadiusStart() > 0
- && isNotCollapseOuter(bpsBefore)
- && isNotCollapseOuter(bpsStart),
- bpsEnd != null && bpsBefore != null
- && bpsEnd.getRadiusStart() > 0
- && bpsBefore.getRadiusEnd() > 0
- && isNotCollapseOuter(bpsEnd)
- && isNotCollapseOuter(bpsBefore),
- bpsEnd != null && bpsAfter != null
- && bpsEnd.getRadiusEnd() > 0
- && bpsAfter.getRadiusEnd() > 0
- && isNotCollapseOuter(bpsEnd)
- && isNotCollapseOuter(bpsAfter),
- bpsStart != null && bpsAfter != null
- && bpsStart.getRadiusEnd() > 0
- && bpsAfter.getRadiusStart() > 0
- && isNotCollapseOuter(bpsStart)
- && isNotCollapseOuter(bpsAfter)
- };
-
- if (!roundCorner[TOP_LEFT] && !roundCorner[TOP_RIGHT]
- && !roundCorner[BOTTOM_RIGHT] && !roundCorner[BOTTOM_LEFT]) {
- try {
- drawRectangularBorders(borderRect, bpsBefore, bpsAfter, bpsStart, bpsEnd);
- } catch (IOException ioe) {
- throw new IFException("IO error drawing borders", ioe);
- }
- return;
- }
-
- String areaKey = makeKey(borderRect,
- bpsBefore, bpsEnd, bpsAfter,
- bpsStart, innerBackgroundColor);
-
- Graphics2DImagePainter painter = null;
- String name = documentHandler.getCachedRoundedCorner(areaKey);
-
- if (name == null) {
-
- name = documentHandler.cacheRoundedCorner(areaKey);
-
- painter = new BorderImagePainter(cornerCorrectionFactor, borderRect,
- bpsStart, bpsEnd, bpsBefore, bpsAfter,
- roundCorner, innerBackgroundColor);
- }
- paintCornersAsBitmap(painter, borderRect, name);
- }
-
- private boolean isNotCollapseOuter(BorderProps bp) {
- return !bp.isCollapseOuter();
- }
-
- private Area makeCornerClip(final int beforeRadius, final int startRadius,
- final AffineTransform transform) {
-
- Rectangle clipR = new Rectangle(0, 0, startRadius, beforeRadius);
-
- Area clip = new Area(clipR);
-
- Ellipse2D.Double e = new Ellipse2D.Double();
- e.x = 0;
- e.y = 0;
- e.width = 2 * startRadius;
- e.height = 2 * beforeRadius;
-
- clip.subtract(new Area(e));
-
- clip.transform(transform);
- return clip;
- }
-
-
- private Area makeCornerBorderBPD(final int beforeRadius, final int startRadius,
- final int beforeWidth, final int startWidth, final AffineTransform transform) {
-
- Rectangle clipR = new Rectangle(0, 0, startRadius, beforeRadius);
-
- Ellipse2D.Double e = new Ellipse2D.Double();
- e.x = 0;
- e.y = 0;
- e.width = 2 * startRadius;
- e.height = 2 * beforeRadius;
-
- Ellipse2D.Double i = new Ellipse2D.Double();
- i.x = startWidth;
- i.y = beforeWidth;
- i.width = 2 * (startRadius - startWidth);
- i.height = 2 * (beforeRadius - beforeWidth);
-
- Area clip = new Area(e);
- clip.subtract(new Area(i));
- clip.intersect(new Area(clipR));
-
- GeneralPath cut = new GeneralPath();
- cut.moveTo(0, 0);
- cut.lineTo(startRadius, ((float) startRadius * beforeWidth) / startWidth);
- cut.lineTo(startRadius, 0);
- clip.intersect(new Area(cut));
- clip.transform(transform);
- return clip;
- }
-
-
- private Area makeCornerBorderIPD(final int beforeRadius, final int startRadius,
- final int beforeWidth, final int startWidth, final AffineTransform transform) {
-
- Rectangle clipR = new Rectangle(0, 0, startRadius, beforeRadius);
-
-
- Ellipse2D.Double e = new Ellipse2D.Double();
- e.x = 0;
- e.y = 0;
- e.width = 2 * startRadius;
- e.height = 2 * beforeRadius;
-
- Ellipse2D.Double i = new Ellipse2D.Double();
- i.x = startWidth;
- i.y = beforeWidth;
- i.width = 2 * (startRadius - startWidth);
- i.height = 2 * (beforeRadius - beforeWidth);
-
- Area clip = new Area(e);
- clip.subtract(new Area(i));
- clip.intersect(new Area(clipR));
-
- GeneralPath cut = new GeneralPath();
- cut.moveTo(0, 0);
- cut.lineTo(startRadius, ((float) startRadius * beforeWidth) / startWidth);
- cut.lineTo(startRadius, 0);
- clip.subtract(new Area(cut));
- clip.transform(transform);
- return clip;
- }
-
- private String makeKey(Rectangle area, BorderProps beforeProps,
- BorderProps endProps, BorderProps afterProps, BorderProps startProps,
- Color innerBackgroundColor) {
-
- return hash(new StringBuffer()
- .append(area.width)
- .append(":")
- .append(area.height)
- .append(":")
- .append(beforeProps)
- .append(":")
- .append(endProps)
- .append(":")
- .append(afterProps)
- .append(":")
- .append(startProps)
- .append(":")
- .append(innerBackgroundColor)
- .toString());
- }
-
-
- private String hash(String text) {
-
- MessageDigest md;
- try {
- md = MessageDigest.getInstance("MD5");
- } catch (Exception e) {
- throw new RuntimeException("Internal error", e);
- }
-
- byte[] result = md.digest(text.getBytes());
-
- StringBuffer sb = new StringBuffer();
- char[] digits = {'0', '1', '2', '3', '4', '5', '6',
- '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
- for (int idx = 0; idx < 6; ++idx) {
- byte b = result[idx];
- sb.append(digits[(b & 0xf0) >> 4]);
- sb.append(digits[b & 0x0f]);
- }
- return sb.toString();
- }
-
- private void paintCornersAsBitmap(Graphics2DImagePainter painter,
- Rectangle boundingBox, String name) throws IFException {
- //TODO parameters ok?
- ImageInfo info = new ImageInfo(name, null);
-
- ImageSize size = new ImageSize();
- size.setSizeInMillipoints(boundingBox.width, boundingBox.height);
-
- //Use the foreign attributes map to set image handling hints
- Map map = new java.util.HashMap(2);
- map.put(AFPForeignAttributeReader.RESOURCE_NAME, name);
- map.put(AFPForeignAttributeReader.RESOURCE_LEVEL, "print-file");
-
- AFPRenderingContext context = (AFPRenderingContext)
- this.painter.createRenderingContext(/*map*/);
-
- size.setResolution(context.getPaintingState().getResolution());
- size.calcPixelsFromSize();
- info.setSize(size);
- ImageGraphics2D img = new ImageGraphics2D(info, painter);
-
- Map hints = new java.util.HashMap();
-
- hints.put(ImageHandlerUtil.CONVERSION_MODE, ImageHandlerUtil.CONVERSION_MODE_BITMAP);
- hints.put("TARGET_RESOLUTION",
- context.getPaintingState().getResolution());
-
-
- try {
- this.painter.drawImage(img, boundingBox, context, true, hints);
- } catch (IOException ioe) {
- throw new IFException(
- "I/O error while painting corner using a bitmap", ioe);
- } catch (ImageException ie) {
- throw new IFException(
- "Image error while painting corner using a bitmap", ie);
- }
- }
-
- protected void arcTo(double startAngle, double endAngle, int cx, int cy, int width,
- int height) throws IOException {
- throw new UnsupportedOperationException("Can only deal with horizontal lines right now");
-
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public void drawLine(Point start, Point end, int width, Color color, RuleStyle style)
- throws IFException {
- try {
- this.graphicsPainter.drawLine(start, end, width, color, style);
- } catch (IOException ioe) {
- throw new IFException("I/O error in drawLine()", ioe);
- }
- }
-
- /** {@inheritDoc} */
- public void drawText(int x, int y, final int letterSpacing, final int wordSpacing,
- final int[][] dp, final String text) throws IFException {
- final int fontSize = this.state.getFontSize();
- getPaintingState().setFontSize(fontSize);
-
- FontTriplet triplet = new FontTriplet(
- state.getFontFamily(), state.getFontStyle(), state.getFontWeight());
- //TODO Ignored: state.getFontVariant()
- String fontKey = getFontKey(triplet);
-
- // register font as necessary
- Map<String, Typeface> fontMetricMap = getFontInfo().getFonts();
- final AFPFont afpFont = (AFPFont) fontMetricMap.get(fontKey);
- final Font font = getFontInfo().getFontInstance(triplet, fontSize);
- AFPPageFonts pageFonts = getPaintingState().getPageFonts();
- AFPFontAttributes fontAttributes = pageFonts.registerFont(fontKey, afpFont, fontSize);
-
- final int fontReference = fontAttributes.getFontReference();
-
- final int[] coords = unitConv.mpts2units(new float[] {x, y});
-
- final CharacterSet charSet = afpFont.getCharacterSet(fontSize);
-
- if (afpFont.isEmbeddable()) {
- try {
- getDocumentHandler().getResourceManager().embedFont(afpFont, charSet);
- } catch (IOException ioe) {
- throw new IFException("Error while embedding font resources", ioe);
- }
- }
-
- AbstractPageObject page = getDataStream().getCurrentPage();
-
- try {
- int size = charSet.encodeChars(text).getLength();
- if (bytesAvailable != null && bytesAvailable < size) {
- page.endPresentationObject();
- }
- } catch (CharacterCodingException e) {
- throw new IFException(e.getMessage(), e);
- }
- final PresentationTextObject pto = page.getPresentationTextObject();
- try {
- pto.createControlSequences(new PtocaProducer() {
-
- public void produce(PtocaBuilder builder) throws IOException {
- Point p = getPaintingState().getPoint(coords[X], coords[Y]);
- builder.setTextOrientation(getPaintingState().getRotation());
- builder.absoluteMoveBaseline(p.y);
- builder.absoluteMoveInline(p.x);
-
- builder.setExtendedTextColor(state.getTextColor());
- builder.setCodedFont((byte) fontReference);
-
- int l = text.length();
- int[] dx = IFUtil.convertDPToDX(dp);
- int dxl = (dx != null ? dx.length : 0);
- StringBuffer sb = new StringBuffer();
-
- if (dxl > 0 && dx[0] != 0) {
- int dxu = Math.round(unitConv.mpt2units(dx[0]));
- builder.relativeMoveInline(-dxu);
- }
-
- //Following are two variants for glyph placement.
- //SVI does not seem to be implemented in the same way everywhere, so
- //a fallback alternative is preserved here.
- final boolean usePTOCAWordSpacing = true;
- if (usePTOCAWordSpacing) {
-
- int interCharacterAdjustment = 0;
- if (letterSpacing != 0) {
- interCharacterAdjustment = Math.round(unitConv.mpt2units(
- letterSpacing));
- }
- builder.setInterCharacterAdjustment(interCharacterAdjustment);
-
- int spaceWidth = font.getCharWidth(CharUtilities.SPACE);
- int fixedSpaceCharacterIncrement = Math.round(unitConv.mpt2units(
- spaceWidth + letterSpacing));
- int varSpaceCharacterIncrement = fixedSpaceCharacterIncrement;
- if (wordSpacing != 0) {
- varSpaceCharacterIncrement = Math.round(unitConv.mpt2units(
- spaceWidth + wordSpacing + letterSpacing));
- }
- builder.setVariableSpaceCharacterIncrement(varSpaceCharacterIncrement);
-
- boolean fixedSpaceMode = false;
- int ttPos = p.x;
-
- for (int i = 0; i < l; i++) {
- char orgChar = text.charAt(i);
- float glyphAdjust = 0;
- if (afpFont.getFontType() == FontType.TRUETYPE) {
- flushText(builder, sb, charSet);
- fixedSpaceMode = true;
- int charWidth = font.getCharWidth(orgChar);
- sb.append(orgChar);
- glyphAdjust += charWidth;
- } else if (CharUtilities.isFixedWidthSpace(orgChar)) {
- flushText(builder, sb, charSet);
- builder.setVariableSpaceCharacterIncrement(
- fixedSpaceCharacterIncrement);
- fixedSpaceMode = true;
- sb.append(CharUtilities.SPACE);
- int charWidth = font.getCharWidth(orgChar);
- glyphAdjust += (charWidth - spaceWidth);
- } else {
- if (fixedSpaceMode) {
- flushText(builder, sb, charSet);
- builder.setVariableSpaceCharacterIncrement(
- varSpaceCharacterIncrement);
- fixedSpaceMode = false;
- }
- char ch;
- if (orgChar == CharUtilities.NBSPACE) {
- ch = ' '; //converted to normal space to allow word spacing
- } else {
- ch = orgChar;
- }
- sb.append(ch);
- }
-
- if (i < dxl - 1) {
- glyphAdjust += dx[i + 1];
- }
-
- if (afpFont.getFontType() == FontType.TRUETYPE) {
- flushText(builder, sb, charSet);
- ttPos += Math.round(unitConv.mpt2units(glyphAdjust));
- builder.absoluteMoveInline(ttPos);
- } else if (glyphAdjust != 0) {
- flushText(builder, sb, charSet);
- int increment = Math.round(unitConv.mpt2units(glyphAdjust));
- builder.relativeMoveInline(increment);
- }
- }
- } else {
- for (int i = 0; i < l; i++) {
- char orgChar = text.charAt(i);
- float glyphAdjust = 0;
- if (CharUtilities.isFixedWidthSpace(orgChar)) {
- sb.append(CharUtilities.SPACE);
- int spaceWidth = font.getCharWidth(CharUtilities.SPACE);
- int charWidth = font.getCharWidth(orgChar);
- glyphAdjust += (charWidth - spaceWidth);
- } else {
- sb.append(orgChar);
- }
-
- if ((wordSpacing != 0) && CharUtilities.isAdjustableSpace(orgChar)) {
- glyphAdjust += wordSpacing;
- }
- glyphAdjust += letterSpacing;
- if (i < dxl - 1) {
- glyphAdjust += dx[i + 1];
- }
-
- if (glyphAdjust != 0) {
- flushText(builder, sb, charSet);
- int increment = Math.round(unitConv.mpt2units(glyphAdjust));
- builder.relativeMoveInline(increment);
- }
- }
- }
- flushText(builder, sb, charSet);
- bytesAvailable = pto.getBytesAvailable();
- }
-
- private void flushText(PtocaBuilder builder, StringBuffer sb,
- final CharacterSet charSet) throws IOException {
- if (sb.length() > 0) {
- builder.addTransparentData(charSet.encodeChars(sb));
- sb.setLength(0);
- }
- }
-
- });
- } catch (IOException ioe) {
- throw new IFException("I/O error in drawText()", ioe);
- }
- }
-
- /**
- * Saves the graphics state of the rendering engine.
- * @throws IOException if an I/O error occurs
- */
- protected void saveGraphicsState() throws IOException {
- getPaintingState().save();
- }
-
- /**
- * Restores the last graphics state of the rendering engine.
- * @throws IOException if an I/O error occurs
- */
- protected void restoreGraphicsState() throws IOException {
- getPaintingState().restore();
- }
-
-
- /** {@inheritDoc} */
- public void clipBackground(Rectangle rect, BorderProps bpsBefore, BorderProps bpsAfter,
- BorderProps bpsStart, BorderProps bpsEnd) throws IFException {
- }
-
- /** {@inheritDoc} */
- public boolean isBackgroundRequired(BorderProps bpsBefore, BorderProps bpsAfter,
- BorderProps bpsStart, BorderProps bpsEnd) {
- return borderPainter.isBackgroundRequired(bpsBefore, bpsAfter, bpsStart, bpsEnd);
- }
-
- /** {@inheritDoc} */
- public void fillBackground(Rectangle rect, Paint fill, BorderProps bpsBefore,
- BorderProps bpsAfter, BorderProps bpsStart, BorderProps bpsEnd) throws IFException {
- // not supported in AFP
- }
- }
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