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- /*
- * $Id$
- * Copyright (C) 2001 The Apache Software Foundation. All rights reserved.
- * For details on use and redistribution please refer to the
- * LICENSE file included with these sources.
- */
-
- // Author : Seshadri G
-
- package org.apache.fop.render.mif;
-
- // FOP
- import org.apache.fop.render.Renderer;
- import org.apache.fop.render.AbstractRenderer;
- import org.apache.fop.image.ImageArea;
- import org.apache.fop.image.FopImage;
- import org.apache.fop.apps.FOPException;
- import org.apache.fop.fo.properties.*;
- import org.apache.fop.fo.*;
- import org.apache.fop.layout.*;
- import org.apache.fop.layout.inline.*;
- import org.apache.fop.datatypes.*;
- import org.apache.fop.svg.*;
- import org.apache.fop.mif.*;
- import org.apache.fop.layout.*;
- import org.apache.fop.image.*;
-
- import org.w3c.dom.*;
- import org.w3c.dom.svg.*;
- import org.w3c.dom.css.*;
- import org.w3c.dom.svg.SVGLength;
-
- // Java
- import java.io.IOException;
- import java.io.OutputStream;
- import java.util.Enumeration;
- import java.awt.Rectangle;
- import java.util.Vector;
- import java.util.Hashtable;
-
- /**
- * Renderer that renders areas to MIF
- *
- * Modified by Mark Lillywhite mark-fop@inomial.com. Updated to
- * collect all the Pages and print them out at the end. This means
- * that the MIF renderer does not stream, but on the other hand
- * it should still work. I don't have an MIF view to test it with,
- * you see.
- */
- public class MIFRenderer extends AbstractRenderer {
-
- private String currentFontName;
- private String currentFontSize;
- private int pageHeight;
- private int pageWidth;
-
- /**
- * the current vertical position in millipoints from bottom
- */
- protected int currentYPosition = 0;
-
- /**
- * the current horizontal position in millipoints from left
- */
- protected int currentXPosition = 0;
-
- /**
- * the horizontal position of the current area container
- */
- private int currentAreaContainerXPosition = 0;
-
-
- /**
- * the MIF Document being created
- */
- protected MIFDocument mifDoc;
-
-
- /* is a table currently open? */
- private boolean inTable = false;
-
- /**
- * options
- */
- protected Hashtable options;
-
- /**
- * create the MIF renderer
- */
- public MIFRenderer() {
- this.mifDoc = new MIFDocument();
- }
-
- /**
- * set up renderer options
- */
- public void setOptions(Hashtable options) {
- this.options = options;
- }
-
- /**
- * set up the given FontInfo
- */
- public void setupFontInfo(FontInfo fontInfo) {
-
- FontSetup.setup(fontInfo);
- // FontSetup.addToFontFormat(this.mifDoc, fontInfo);
-
- }
-
- /**
- * set the producer of the rendering
- */
- public void setProducer(String producer) {}
-
-
- public void renderAreaContainer(AreaContainer area) {
-
- if (area.foCreator != null
- && area.foCreator.getName() == "fo:table") {
-
- this.mifDoc.createTable();
- this.inTable = true;
- } else if (area.foCreator != null
- && area.foCreator.getName() == "fo:table-body") {
-
- this.mifDoc.setCurrent("fo:table-body");
- } else if (area.foCreator != null
- && area.foCreator.getName() == "fo:table-column") {
-
- int colWidth =
- ((org.apache.fop.fo.flow.TableColumn)area.foCreator).getColumnWidth();
- this.mifDoc.setColumnProp(colWidth);
- } else if (area.foCreator != null
- && area.foCreator.getName() == "fo:table-row") {
-
- this.mifDoc.startRow();
- } else if (area.foCreator != null
- && area.foCreator.getName() == "fo:table-cell") {
-
- int rowSpan =
- ((org.apache.fop.fo.flow.TableCell)area.foCreator).getNumRowsSpanned();
- int colSpan =
- ((org.apache.fop.fo.flow.TableCell)area.foCreator).getNumColumnsSpanned();
- this.mifDoc.startCell(rowSpan, colSpan);
- } else if (inTable) {
-
- inTable = false;
- this.mifDoc.endTable();
-
- }
- int saveY = this.currentYPosition;
- int saveX = this.currentAreaContainerXPosition;
-
- if (area.getPosition() == Position.ABSOLUTE) {
- // Y position is computed assuming positive Y axis, adjust for negative postscript one
- this.currentYPosition = area.getYPosition()
- - 2 * area.getPaddingTop()
- - 2 * area.getBorderTopWidth();
-
- this.currentAreaContainerXPosition = area.getXPosition();
- } else if (area.getPosition() == Position.RELATIVE) {
-
- this.currentYPosition -= area.getYPosition();
- this.currentAreaContainerXPosition += area.getXPosition();
-
- } else if (area.getPosition() == Position.STATIC) {
-
- this.currentYPosition -= area.getPaddingTop()
- + area.getBorderTopWidth();
- this.currentAreaContainerXPosition += area.getPaddingLeft()
- + area.getBorderLeftWidth();
- }
-
- this.currentXPosition = this.currentAreaContainerXPosition;
- doFrame(area);
-
- Enumeration e = area.getChildren().elements();
- while (e.hasMoreElements()) {
- Box b = (Box)e.nextElement();
- b.render(this);
- }
- if (area.getPosition() != Position.STATIC) {
- this.currentYPosition = saveY;
- this.currentAreaContainerXPosition = saveX;
- } else
- this.currentYPosition -= area.getHeight();
- }
-
- public void renderBodyAreaContainer(BodyAreaContainer area) {
-
-
- int saveY = this.currentYPosition;
- int saveX = this.currentAreaContainerXPosition;
-
- if (area.getPosition() == Position.ABSOLUTE) {
- // Y position is computed assuming positive Y axis, adjust for negative postscript one
- this.currentYPosition = area.getYPosition();
- this.currentAreaContainerXPosition = area.getXPosition();
- } else if (area.getPosition() == Position.RELATIVE) {
- this.currentYPosition -= area.getYPosition();
- this.currentAreaContainerXPosition += area.getXPosition();
- }
-
- this.currentXPosition = this.currentAreaContainerXPosition;
- int w, h;
- int rx = this.currentAreaContainerXPosition;
- w = area.getContentWidth();
- h = area.getContentHeight();
- int ry = this.currentYPosition;
- ColorType bg = area.getBackgroundColor();
-
- /*
- * // I'm not sure I should have to check for bg being null
- * // but I do
- * if ((bg != null) && (bg.alpha() == 0)) {
- * this.addRect(rx, ry, w, -h, new PDFColor(bg), new PDFColor(bg));
- * }
- */
- /*
- * // floats & footnotes stuff
- * renderAreaContainer(area.getBeforeFloatReferenceArea());
- * renderAreaContainer(area.getFootnoteReferenceArea());
- */
- // main reference area
- Enumeration e = area.getMainReferenceArea().getChildren().elements();
- while (e.hasMoreElements()) {
- Box b = (Box)e.nextElement();
- b.render(this); // span areas
- }
-
-
- if (area.getPosition() != Position.STATIC) {
- this.currentYPosition = saveY;
- this.currentAreaContainerXPosition = saveX;
- } else
- this.currentYPosition -= area.getHeight();
-
- }
-
- private void doFrame(Area area) {
- int w, h;
- int rx = this.currentAreaContainerXPosition;
- w = area.getContentWidth();
-
- if (area instanceof BlockArea)
- rx += ((BlockArea)area).getStartIndent();
-
- h = area.getContentHeight();
- int ry = this.currentYPosition;
- ColorType bg = area.getBackgroundColor();
-
- rx = rx - area.getPaddingLeft();
- ry = ry + area.getPaddingTop();
- w = w + area.getPaddingLeft() + area.getPaddingRight();
- h = h + area.getPaddingTop() + area.getPaddingBottom();
-
- /*
- * // I'm not sure I should have to check for bg being null
- * // but I do
- * if ((bg != null) && (bg.alpha() == 0)) {
- * this.addRect(rx, ry, w, -h,
- * new PDFColor(bg),
- * new PDFColor(bg));
- * }
- */
-
- rx = rx - area.getBorderLeftWidth();
- ry = ry + area.getBorderTopWidth();
- w = w + area.getBorderLeftWidth() + area.getBorderRightWidth();
- h = h + area.getBorderTopWidth() + area.getBorderBottomWidth();
-
- // Create a textrect with these dimensions.
- // The y co-ordinate is measured +ve downwards so subtract page-height
-
- this.mifDoc.setTextRectProp(rx, pageHeight - ry, w, h);
-
- /*
- * BorderAndPadding bp = area.getBorderAndPadding();
- * if (area.getBorderTopWidth() != 0)
- * addLine(rx, ry, rx + w, ry, area.getBorderTopWidth(),
- * new PDFColor(bp.getBorderColor(BorderAndPadding.TOP)));
- * if (area.getBorderLeftWidth() != 0)
- * addLine(rx, ry, rx, ry - h, area.getBorderLeftWidth(),
- * new PDFColor(bp.getBorderColor(BorderAndPadding.LEFT)));
- * if (area.getBorderRightWidth() != 0)
- * addLine(rx + w, ry, rx + w, ry - h, area.getBorderRightWidth(),
- * new PDFColor(bp.getBorderColor(BorderAndPadding.RIGHT)));
- * if (area.getBorderBottomWidth() != 0)
- * addLine(rx, ry - h, rx + w, ry - h, area.getBorderBottomWidth(),
- * new PDFColor(bp.getBorderColor(BorderAndPadding.BOTTOM)));
- */
- }
-
- public void renderSpanArea(SpanArea area) {
-
- // A span maps to a textframe
-
-
- this.mifDoc.createTextRect(area.getColumnCount());
-
- Enumeration e = area.getChildren().elements();
- while (e.hasMoreElements()) {
- Box b = (Box)e.nextElement();
- b.render(this); // column areas
- }
-
- }
-
- /**
- * render the given block area
- */
- public void renderBlockArea(BlockArea area) {
-
- this.mifDoc.setBlockProp(area.getStartIndent(), area.getEndIndent());
- Enumeration e = area.getChildren().elements();
- while (e.hasMoreElements()) {
- Box b = (Box)e.nextElement();
- b.render(this);
- }
-
- }
-
- /**
- * render the given display space
- */
- public void renderDisplaySpace(DisplaySpace space) {
-
- int d = space.getSize();
- this.currentYPosition -= d;
-
- }
-
- /**
- * render the given SVG area
- */
- public void renderSVGArea(SVGArea area) {}
-
- /**
- * render a foreign object area
- */
- public void renderForeignObjectArea(ForeignObjectArea area) {}
-
-
- public void renderWordArea(WordArea area) {
- String s;
- s = area.getText();
- this.mifDoc.addToStream(s);
-
- this.currentXPosition += area.getContentWidth();
- }
-
- /**
- * render the given image area
- */
- public void renderImageArea(ImageArea area) {
-
- int x = this.currentAreaContainerXPosition + area.getXOffset();
- int y = this.currentYPosition;
- int w = area.getContentWidth();
- int h = area.getHeight();
-
- this.currentYPosition -= h;
-
- FopImage img = area.getImage();
- if (img instanceof SVGImage) {
- /*
- * try {
- * SVGSVGElement svg =
- * ((SVGImage) img).getSVGDocument().getRootElement();
- * currentStream.add("ET\nq\n" + (((float) w) / 1000f) +
- * " 0 0 " + (((float) h) / 1000f) + " " +
- * (((float) x) / 1000f) + " " +
- * (((float)(y - h)) / 1000f) + " cm\n");
- * // renderSVG(svg, (int) x, (int) y);
- * currentStream.add("Q\nBT\n");
- * } catch (FopImageException e) {
- * }
- */
-
- log.warn("SVG images not supported in this version");
- } else {
- String url = img.getURL();
- this.mifDoc.addImage(url, x, pageHeight - y, w, h);
-
- }
- }
-
- /**
- * render the given inline area
- */
- public void renderInlineArea(InlineArea area) {}
-
- /**
- * render the given inline space
- */
- public void renderInlineSpace(InlineSpace space) {
-
- // I dont need the size of space! I just need to
- // leave a blank space each time
- String s = " ";
- this.mifDoc.addToStream(s); // cool!
- this.currentXPosition += space.getSize();
- }
-
- /**
- * render the given line area
- */
- public void renderLineArea(LineArea area) {
-
- int rx = this.currentAreaContainerXPosition + area.getStartIndent();
- int ry = this.currentYPosition;
- int w = area.getContentWidth();
- int h = area.getHeight();
-
- this.currentYPosition -= area.getPlacementOffset();
- this.currentXPosition = rx;
-
- int bl = this.currentYPosition;
-
- // The start of a new linearea corresponds to a new para in FM
-
- this.mifDoc.startLine();
-
- Enumeration e = area.getChildren().elements();
- while (e.hasMoreElements()) {
-
- Box b = (Box)e.nextElement();
- this.currentYPosition = ry - area.getPlacementOffset();
- b.render(this);
-
- }
- this.currentYPosition = ry - h;
- this.currentXPosition = rx;
-
- }
-
- /**
- * render the given page
- */
- public void renderPage(Page page) {
-
- AreaContainer before, after;
- BodyAreaContainer body;
- body = page.getBody();
- before = page.getBefore();
- after = page.getAfter();
-
- this.currentFontName = "";
- this.currentFontSize = "0";
-
- pageHeight = page.getHeight();
- pageWidth = page.getWidth();
- this.mifDoc.setDocumentHeightWidth(pageHeight, pageWidth);
-
- this.mifDoc.createPage();
-
- renderBodyAreaContainer(body);
-
-
- // If the area is an instance of anything other than body, it goes into the
- // corresponding master page.
-
-
- if (before != null) {
-
- this.mifDoc.createTextRect(1); // Create a rect with one col
- renderAreaContainer(before);
- }
-
- if (after != null) {
-
- this.mifDoc.createTextRect(1); // Create a rect with one col
- renderAreaContainer(after);
- }
-
- }
-
- /**
- * render the given leader area
- */
- public void renderLeaderArea(LeaderArea area) {}
-
- /**
- Default start renderer method. This would
- normally be overridden. (mark-fop@inomial.com).
- */
- public void startRenderer(OutputStream outputStream)
- throws IOException {
- log.info("rendering areas to MIF");
- }
-
- /**
- Default stop renderer method. This would
- normally be overridden. (mark-fop@inomial.com)
- */
- public void stopRenderer(OutputStream outputStream)
- throws IOException {
- log.info("writing out MIF");
- this.mifDoc.output(outputStream);
- outputStream.flush();
- }
-
- public void render(Page page, OutputStream outputStream) {
- this.renderPage(page);
- }
- }
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