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- /*
- * 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.geom.AffineTransform;
- import java.io.IOException;
- import java.util.Map;
-
- import org.apache.fop.afp.AFPDitheredRectanglePainter;
- import org.apache.fop.afp.AFPPaintingState;
- import org.apache.fop.afp.AFPRectanglePainter;
- import org.apache.fop.afp.AFPResourceLevelDefaults;
- import org.apache.fop.afp.AFPResourceManager;
- import org.apache.fop.afp.AFPUnitConverter;
- import org.apache.fop.afp.AbstractAFPPainter;
- import org.apache.fop.afp.DataStream;
- import org.apache.fop.afp.fonts.AFPFontCollection;
- import org.apache.fop.afp.fonts.AFPPageFonts;
- import org.apache.fop.afp.modca.ResourceObject;
- import org.apache.fop.afp.util.DefaultFOPResourceAccessor;
- import org.apache.fop.afp.util.ResourceAccessor;
- import org.apache.fop.apps.MimeConstants;
- import org.apache.fop.fonts.FontCollection;
- import org.apache.fop.fonts.FontEventAdapter;
- import org.apache.fop.fonts.FontInfo;
- import org.apache.fop.fonts.FontManager;
- import org.apache.fop.render.afp.extensions.AFPElementMapping;
- import org.apache.fop.render.afp.extensions.AFPIncludeFormMap;
- import org.apache.fop.render.afp.extensions.AFPInvokeMediumMap;
- import org.apache.fop.render.afp.extensions.AFPPageSetup;
- import org.apache.fop.render.intermediate.AbstractBinaryWritingIFDocumentHandler;
- import org.apache.fop.render.intermediate.IFDocumentHandlerConfigurator;
- import org.apache.fop.render.intermediate.IFException;
- import org.apache.fop.render.intermediate.IFPainter;
-
- /**
- * {@code IFDocumentHandler} implementation that produces AFP (MO:DCA).
- */
- public class AFPDocumentHandler extends AbstractBinaryWritingIFDocumentHandler
- implements AFPCustomizable {
-
- //** logging instance */
- //private static Log log = LogFactory.getLog(AFPDocumentHandler.class);
-
- /** the resource manager */
- private AFPResourceManager resourceManager;
-
- /** the painting state */
- private final AFPPaintingState paintingState;
-
- /** unit converter */
- private final AFPUnitConverter unitConv;
-
- /** the AFP datastream */
- private DataStream dataStream;
-
- /** the map of page segments */
- private Map/*<String,String>*/pageSegmentMap
- = new java.util.HashMap/*<String,String>*/();
-
- /** Medium Map referenced on previous page **/
- private String lastMediumMap;
-
- private static final int LOC_ELSEWHERE = 0;
- private static final int LOC_FOLLOWING_PAGE_SEQUENCE = 1;
- private static final int LOC_IN_PAGE_HEADER = 2;
-
- private int location = LOC_ELSEWHERE;
-
- /** the shading mode for filled rectangles */
- private AFPShadingMode shadingMode = AFPShadingMode.COLOR;
-
- /**
- * Default constructor.
- */
- public AFPDocumentHandler() {
- this.resourceManager = new AFPResourceManager();
- this.paintingState = new AFPPaintingState();
- this.unitConv = paintingState.getUnitConverter();
- }
-
- /** {@inheritDoc} */
- public boolean supportsPagesOutOfOrder() {
- return false;
- }
-
- /** {@inheritDoc} */
- public String getMimeType() {
- return MimeConstants.MIME_AFP;
- }
-
- /** {@inheritDoc} */
- public IFDocumentHandlerConfigurator getConfigurator() {
- return new AFPRendererConfigurator(getUserAgent());
- }
-
- /** {@inheritDoc} */
- public void setDefaultFontInfo(FontInfo fontInfo) {
- FontManager fontManager = getUserAgent().getFactory().getFontManager();
- FontCollection[] fontCollections = new FontCollection[] {
- new AFPFontCollection(getUserAgent().getEventBroadcaster(), null)
- };
-
- FontInfo fi = (fontInfo != null ? fontInfo : new FontInfo());
- fi.setEventListener(new FontEventAdapter(getUserAgent().getEventBroadcaster()));
- fontManager.setup(fi, fontCollections);
- setFontInfo(fi);
- }
-
- AFPPaintingState getPaintingState() {
- return this.paintingState;
- }
-
- DataStream getDataStream() {
- return this.dataStream;
- }
-
- AFPResourceManager getResourceManager() {
- return this.resourceManager;
- }
-
- AbstractAFPPainter createRectanglePainter() {
- if (AFPShadingMode.DITHERED.equals(this.shadingMode)) {
- return new AFPDitheredRectanglePainter(
- getPaintingState(), getDataStream(), getResourceManager());
- } else {
- return new AFPRectanglePainter(
- getPaintingState(), getDataStream());
- }
- }
-
- /** {@inheritDoc} */
- public void startDocument() throws IFException {
- super.startDocument();
- try {
- paintingState.setColor(Color.WHITE);
-
- this.dataStream = resourceManager.createDataStream(paintingState, outputStream);
-
- this.dataStream.startDocument();
- } catch (IOException e) {
- throw new IFException("I/O error in startDocument()", e);
- }
- }
-
- /** {@inheritDoc} */
- public void endDocumentHeader() throws IFException {
- }
-
- /** {@inheritDoc} */
- public void endDocument() throws IFException {
- try {
- this.dataStream.endDocument();
- this.dataStream = null;
- this.resourceManager.writeToStream();
- this.resourceManager = null;
- } catch (IOException ioe) {
- throw new IFException("I/O error in endDocument()", ioe);
- }
- super.endDocument();
- }
-
- /** {@inheritDoc} */
- public void startPageSequence(String id) throws IFException {
- try {
- dataStream.startPageGroup();
- } catch (IOException ioe) {
- throw new IFException("I/O error in startPageSequence()", ioe);
- }
- this.location = LOC_FOLLOWING_PAGE_SEQUENCE;
- }
-
- /** {@inheritDoc} */
- public void endPageSequence() throws IFException {
- //nop
- }
-
- /**
- * Returns the base AFP transform
- *
- * @return the base AFP transform
- */
- private AffineTransform getBaseTransform() {
- AffineTransform baseTransform = new AffineTransform();
- double scale = unitConv.mpt2units(1);
- baseTransform.scale(scale, scale);
- return baseTransform;
- }
-
- /** {@inheritDoc} */
- public void startPage(int index, String name, String pageMasterName, Dimension size)
- throws IFException {
- this.location = LOC_ELSEWHERE;
- paintingState.clear();
- pageSegmentMap.clear();
-
- AffineTransform baseTransform = getBaseTransform();
- paintingState.concatenate(baseTransform);
-
- int pageWidth = Math.round(unitConv.mpt2units(size.width));
- paintingState.setPageWidth(pageWidth);
-
- int pageHeight = Math.round(unitConv.mpt2units(size.height));
- paintingState.setPageHeight(pageHeight);
-
- int pageRotation = paintingState.getPageRotation();
- int resolution = paintingState.getResolution();
-
- dataStream.startPage(pageWidth, pageHeight, pageRotation,
- resolution, resolution);
- }
-
- /** {@inheritDoc} */
- public void startPageHeader() throws IFException {
- super.startPageHeader();
- this.location = LOC_IN_PAGE_HEADER;
- }
-
- /** {@inheritDoc} */
- public void endPageHeader() throws IFException {
- this.location = LOC_ELSEWHERE;
- super.endPageHeader();
- }
-
- /** {@inheritDoc} */
- public IFPainter startPageContent() throws IFException {
- return new AFPPainter(this);
- }
-
- /** {@inheritDoc} */
- public void endPageContent() throws IFException {
- }
-
- /** {@inheritDoc} */
- public void endPage() throws IFException {
- try {
- AFPPageFonts pageFonts = paintingState.getPageFonts();
- if (pageFonts != null && !pageFonts.isEmpty()) {
- dataStream.addFontsToCurrentPage(pageFonts);
- }
-
- dataStream.endPage();
- } catch (IOException ioe) {
- throw new IFException("I/O error in endPage()", ioe);
- }
- }
-
- /** {@inheritDoc} */
- public void handleExtensionObject(Object extension) throws IFException {
- if (extension instanceof AFPPageSetup) {
- AFPPageSetup aps = (AFPPageSetup)extension;
- String element = aps.getElementName();
- if (AFPElementMapping.TAG_LOGICAL_ELEMENT.equals(element)) {
- if (this.location != LOC_IN_PAGE_HEADER
- && this.location != LOC_FOLLOWING_PAGE_SEQUENCE) {
- throw new IFException(
- "TLE extension must be in the page header or between page-sequence"
- + " and the first page: " + aps, null);
- }
- String name = aps.getName();
- String value = aps.getValue();
- dataStream.createTagLogicalElement(name, value);
- } else {
- if (this.location != LOC_IN_PAGE_HEADER) {
- throw new IFException(
- "AFP page setup extension encountered outside the page header: " + aps,
- null);
- }
- if (AFPElementMapping.INCLUDE_PAGE_OVERLAY.equals(element)) {
- String overlay = aps.getName();
- if (overlay != null) {
- dataStream.createIncludePageOverlay(overlay);
- }
- } else if (AFPElementMapping.INCLUDE_PAGE_SEGMENT.equals(element)) {
- String name = aps.getName();
- String source = aps.getValue();
- pageSegmentMap.put(source, name);
- } else if (AFPElementMapping.NO_OPERATION.equals(element)) {
- String content = aps.getContent();
- if (content != null) {
- dataStream.createNoOperation(content);
- }
- }
- }
- } else if (extension instanceof AFPInvokeMediumMap) {
- if (this.location != LOC_FOLLOWING_PAGE_SEQUENCE
- && this.location != LOC_IN_PAGE_HEADER) {
-
- throw new IFException(
- "AFP IMM extension must be between page-sequence"
- + " and the first page or child of page-header: "
- + extension, null);
- }
- AFPInvokeMediumMap imm = (AFPInvokeMediumMap)extension;
- String mediumMap = imm.getName();
- if (mediumMap != null && !mediumMap.equals(lastMediumMap)) {
- dataStream.createInvokeMediumMap(mediumMap);
- lastMediumMap = mediumMap;
- }
- } else if (extension instanceof AFPIncludeFormMap) {
- AFPIncludeFormMap formMap = (AFPIncludeFormMap)extension;
- ResourceAccessor accessor = new DefaultFOPResourceAccessor(
- getUserAgent(), null, null);
- try {
- getResourceManager().createIncludedResource(formMap.getName(),
- formMap.getSrc(), accessor,
- ResourceObject.TYPE_FORMDEF);
- } catch (IOException ioe) {
- throw new IFException(
- "I/O error while embedding form map resource: " + formMap.getName(), ioe);
- }
- }
- }
-
- // ---=== AFPCustomizable ===---
-
- /** {@inheritDoc} */
- public void setBitsPerPixel(int bitsPerPixel) {
- paintingState.setBitsPerPixel(bitsPerPixel);
- }
-
- /** {@inheritDoc} */
- public void setColorImages(boolean colorImages) {
- paintingState.setColorImages(colorImages);
- }
-
- /** {@inheritDoc} */
- public void setNativeImagesSupported(boolean nativeImages) {
- paintingState.setNativeImagesSupported(nativeImages);
- }
-
- /** {@inheritDoc} */
- public void setShadingMode(AFPShadingMode shadingMode) {
- this.shadingMode = shadingMode;
- }
-
- /** {@inheritDoc} */
- public void setResolution(int resolution) {
- paintingState.setResolution(resolution);
- }
-
- /** {@inheritDoc} */
- public int getResolution() {
- return paintingState.getResolution();
- }
-
- /** {@inheritDoc} */
- public void setDefaultResourceGroupFilePath(String filePath) {
- resourceManager.setDefaultResourceGroupFilePath(filePath);
- }
-
- /** {@inheritDoc} */
- public void setResourceLevelDefaults(AFPResourceLevelDefaults defaults) {
- resourceManager.setResourceLevelDefaults(defaults);
- }
-
- /**
- * Returns the page segment name for a given URI if it actually represents a page segment.
- * Otherwise, it just returns null.
- * @param uri the URI that identifies the page segment
- * @return the page segment name or null if there's no page segment for the given URI
- */
- String getPageSegmentNameFor(String uri) {
- return (String)pageSegmentMap.get(uri);
- }
-
- }
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