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Diffstat (limited to 'src/org/apache/fop/render/pdf/PDFRenderer.java')
-rw-r--r--src/org/apache/fop/render/pdf/PDFRenderer.java426
1 files changed, 0 insertions, 426 deletions
diff --git a/src/org/apache/fop/render/pdf/PDFRenderer.java b/src/org/apache/fop/render/pdf/PDFRenderer.java
index 32498cfd8..b6976fba3 100644
--- a/src/org/apache/fop/render/pdf/PDFRenderer.java
+++ b/src/org/apache/fop/render/pdf/PDFRenderer.java
@@ -50,853 +50,427 @@
*/
package org.apache.fop.render.pdf;
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// FOP
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import org.apache.fop.render.Renderer;
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import org.apache.fop.image.ImageArea;
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import org.apache.fop.image.FopImage;
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import org.apache.fop.layout.*;
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import org.apache.fop.svg.*;
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import org.apache.fop.pdf.*;
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// Java
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.Enumeration;
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/**
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* Renderer that renders areas to PDF
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*/
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public class PDFRenderer implements Renderer {
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/** the PDF Document being created */
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protected PDFDocument pdfDoc;
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/** the /Resources object of the PDF document being created */
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protected PDFResources pdfResources;
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/** the current stream to add PDF commands to */
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PDFStream currentStream;
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/** the current (internal) font name */
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protected String currentFontName;
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/** the current font size in millipoints */
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protected int currentFontSize;
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/** the current colour's red component */
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protected float currentRed = 0;
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/** the current colour's green component */
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protected float currentGreen = 0;
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/** the current colour's blue component */
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protected float currentBlue = 0;
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/** the current vertical position in millipoints from bottom */
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protected int currentYPosition = 0;
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/** the current horizontal position in millipoints from left */
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protected int currentXPosition = 0;
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/** the horizontal position of the current area container */
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private int currentAreaContainerXPosition = 0;
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/**
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* create the PDF renderer
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*/
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public PDFRenderer() {
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this.pdfDoc = new PDFDocument();
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}
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/**
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* set the PDF document's producer
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*
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* @param producer string indicating application producing PDF
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*/
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public void setProducer(String producer) {
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this.pdfDoc.setProducer(producer);
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}
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/**
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* render the areas into PDF
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*
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* @param areaTree the laid-out area tree
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* @param writer the PrintWriter to write the PDF with
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*/
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public void render(AreaTree areaTree, PrintWriter writer) throws IOException {
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System.err.println("rendering areas to PDF");
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this.pdfResources = this.pdfDoc.getResources();
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Enumeration e = areaTree.getPages().elements();
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while (e.hasMoreElements()) {
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this.renderPage((Page) e.nextElement());
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}
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System.err.println("writing out PDF");
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this.pdfDoc.output(writer);
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}
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/**
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* add a line to the current stream
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*
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* @param x1 the start x location in millipoints
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* @param y1 the start y location in millipoints
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* @param x2 the end x location in millipoints
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* @param y2 the end y location in millipoints
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* @param th the thickness in millipoints
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* @param r the red component
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* @param g the green component
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* @param b the blue component
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*/
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protected void addLine(int x1, int y1, int x2, int y2, int th,
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float r, float g, float b) {
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currentStream.add(r + " " + g + " " + b + " RG\n"
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+ (x1/1000f) + " " + (y1/1000f) + " m "
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+ (x2/1000f) + " " + (y2/1000f) + " l "
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+ (th/1000f) + " w S\n"
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+ "0 0 0 RG\n");
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}
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/**
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* add a rectangle to the current stream
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*
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* @param x the x position of left edge in millipoints
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* @param y the y position of top edge in millipoints
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* @param w the width in millipoints
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* @param h the height in millipoints
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* @param r the red component
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* @param g the green component
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* @param b the blue component
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*/
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protected void addRect(int x, int y, int w, int h,
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float r, float g, float b) {
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currentStream.add(r + " " + g + " " + b + " RG\n"
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+ (x/1000f) + " " + (y/1000f) + " "
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+ (w/1000f) + " " + (h/1000f) + " re S\n"
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+ "0 0 0 RG\n");
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}
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/**
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* add a filled rectangle to the current stream
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*
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* @param x the x position of left edge in millipoints
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* @param y the y position of top edge in millipoints
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* @param w the width in millipoints
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* @param h the height in millipoints
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* @param r the red component of edges
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* @param g the green component of edges
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* @param b the blue component of edges
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* @param fr the red component of the fill
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* @param fg the green component of the fill
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* @param fb the blue component of the fill
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*/
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protected void addRect(int x, int y, int w, int h,
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float r, float g, float b,
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float fr, float fg, float fb) {
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currentStream.add(fr + " " + fg + " " + fb + " rg\n"
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+ r + " " + g + " " + b + " RG\n"
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+ (x/1000f) + " " + (y/1000f) + " "
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+ (w/1000f) + " " + (h/1000f) + " re S\n"
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+ (x/1000f) + " " + (y/1000f) + " "
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+ (w/1000f) + " " + (h/1000f) + " re f\n"
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+ "0 0 0 RG 0 0 0 rg\n");
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}
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/**
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* render area container to PDF
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*
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* @param area the area container to render
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*/
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public void renderAreaContainer(AreaContainer area) {
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/* move into position */
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currentStream.add("1 0 0 1 "
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+ (area.getXPosition()/1000f) + " "
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+ (area.getYPosition()/1000f) + " Tm\n");
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this.currentYPosition = area.getYPosition();
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this.currentAreaContainerXPosition = area.getXPosition();
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Enumeration e = area.getChildren().elements();
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while (e.hasMoreElements()) {
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Box b = (Box) e.nextElement();
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b.render(this);
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}
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}
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/**
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* render block area to PDF
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*
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* @param area the block area to render
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*/
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public void renderBlockArea(BlockArea area) {
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int rx = this.currentAreaContainerXPosition
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+ area.getStartIndent();
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int ry = this.currentYPosition;
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int w = area.getContentWidth();
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int h = area.getHeight();
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Enumeration e = area.getChildren().elements();
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while (e.hasMoreElements()) {
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Box b = (Box) e.nextElement();
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b.render(this);
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}
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}
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/**
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* render display space to PDF
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*
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* @param space the display space to render
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*/
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public void renderDisplaySpace(DisplaySpace space) {
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int d = space.getSize();
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this.currentYPosition -= d;
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}
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/**
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* render image area to PDF
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*
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* @param area the image area to render
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*/
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public void renderImageArea(ImageArea area) {
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// adapted from contribution by BoBoGi
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int x = this.currentAreaContainerXPosition +
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area.getXOffset();
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int y = this.currentYPosition;
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int w = area.getContentWidth();
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int h = area.getHeight();
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this.currentYPosition -= h*1000;
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FopImage img = area.getImage();
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int xObjectNum = this.pdfDoc.addImage(img);
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currentStream.add("ET\nq\n" + (img.getWidth()/1000f) + " 0 0 " +
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(img.getHeight()/1000f) + " " +
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((x + img.getX())/1000f) + " " +
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(((y - h) - img.getY())/1000f) + " cm\n" +
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"/Im" + xObjectNum + " Do\nQ\nBT\n");
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}
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/**
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* render SVG area to PDF
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*
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* @param area the SVG area to render
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*/
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public void renderSVGArea(SVGArea area) {
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int x = this.currentAreaContainerXPosition;
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int y = this.currentYPosition;
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int w = area.getContentWidth();
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int h = area.getHeight();
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this.currentYPosition -= h;
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Enumeration e = area.getChildren().elements();
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while (e.hasMoreElements()) {
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Object o = e.nextElement();
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if (o instanceof RectGraphic) {
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int rx = ((RectGraphic)o).x;
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int ry = ((RectGraphic)o).y;
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int rw = ((RectGraphic)o).width;
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int rh = ((RectGraphic)o).height;
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addRect(x+rx,y-ry,rw,-rh,0,0,0);
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} else if (o instanceof LineGraphic) {
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int x1 = ((LineGraphic)o).x1;
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int y1 = ((LineGraphic)o).y1;
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int x2 = ((LineGraphic)o).x2;
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int y2 = ((LineGraphic)o).y2;
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addLine(x+x1,y-y1,x+x2,y-y2,0,0,0,0);
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} else if (o instanceof TextGraphic) {
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int tx = ((TextGraphic)o).x;
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int ty = ((TextGraphic)o).y;
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String s = ((TextGraphic)o).s;
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currentStream.add("1 0 0 1 "
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+ ((x+tx)/1000f) + " "
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+ ((y-ty)/1000f) + " Tm "
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+ "(" + s + ") Tj\n");
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}
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}
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}
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/**
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* render inline area to PDF
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*
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* @param area inline area to render
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*/
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public void renderInlineArea(InlineArea area) {
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char ch;
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StringBuffer pdf = new StringBuffer();
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String name = area.getFontState().getFontName();
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int size = area.getFontState().getFontSize();
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float red = area.getRed();
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float green = area.getGreen();
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float blue = area.getBlue();
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if ((!name.equals(this.currentFontName))
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|| (size != this.currentFontSize)) {
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this.currentFontName = name;
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this.currentFontSize = size;
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pdf = pdf.append("/" + name + " " + (size/1000) + " Tf\n");
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}
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if ((red != this.currentRed)
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|| (green != this.currentGreen)
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|| (blue != this.currentBlue)) {
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this.currentRed = red;
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this.currentGreen = green;
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this.currentBlue = blue;
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pdf = pdf.append(red + " " + green + " " + blue + " rg\n");
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}
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int rx = this.currentXPosition;
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int bl = this.currentYPosition;
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pdf = pdf.append("1 0 0 1 "
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+(rx/1000f) + " " + (bl/1000f)
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+ " Tm (");
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String s = area.getText();
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int l = s.length();
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for (int i=0; i < l; i++) {
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ch = s.charAt(i);
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if (ch > 127) {
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pdf = pdf.append("\\");
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pdf = pdf.append(Integer.toOctalString((int)ch));
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} else {
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switch (ch) {
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case '(' : pdf = pdf.append("\\("); break;
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case ')' : pdf = pdf.append("\\)"); break;
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case '\\' : pdf = pdf.append("\\\\"); break;
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default : pdf = pdf.append(ch); break;
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}
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}
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}
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pdf = pdf.append(") Tj\n");
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currentStream.add(pdf.toString());
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this.currentXPosition += area.getContentWidth();
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}
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/**
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* render inline space to PDF
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*
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* @param space space to render
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*/
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public void renderInlineSpace(InlineSpace space) {
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this.currentXPosition += space.getSize();
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}
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/**
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* render line area to PDF
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*
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* @param area area to render
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*/
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public void renderLineArea(LineArea area) {
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int rx = this.currentAreaContainerXPosition
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+ area.getStartIndent();
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int ry = this.currentYPosition;
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int w = area.getContentWidth();
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int h = area.getHeight();
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this.currentYPosition -= area.getPlacementOffset();
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this.currentXPosition = rx;
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int bl = this.currentYPosition;
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Enumeration e = area.getChildren().elements();
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while (e.hasMoreElements()) {
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Box b = (Box) e.nextElement();
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b.render(this);
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}
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this.currentYPosition = ry-h;
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}
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/**
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* render page into PDF
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*
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* @param page page to render
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*/
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public void renderPage(Page page) {
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AreaContainer body, before, after;
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currentStream = this.pdfDoc.makeStream();
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body = page.getBody();
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before = page.getBefore();
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after = page.getAfter();
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this.currentFontName = "";
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this.currentFontSize = 0;
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currentStream.add("BT\n");
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renderAreaContainer(body);
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if (before != null) {
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renderAreaContainer(before);
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}
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if (after != null) {
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renderAreaContainer(after);
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}
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currentStream.add("ET\n");
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this.pdfDoc.makePage(this.pdfResources, currentStream,
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page.getWidth()/1000, page.getHeight()/1000);
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}
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/**
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* render rule area into PDF
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*
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* @param area area to render
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*/
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public void renderRuleArea(RuleArea area) {
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int rx = this.currentAreaContainerXPosition
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+ area.getStartIndent();
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int ry = this.currentYPosition;
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int w = area.getContentWidth();
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int h = area.getHeight();
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int th = area.getRuleThickness();
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float r = area.getRed();
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float g = area.getGreen();
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float b = area.getBlue();
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addLine(rx, ry, rx+w, ry, th, r, g, b);
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}
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/**
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* set up the font info
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*
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* @param fontInfo font info to set up
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*/
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public void setupFontInfo(FontInfo fontInfo) {
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FontSetup.setup(fontInfo);
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FontSetup.addToResources(this.pdfDoc, fontInfo);
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}
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}
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generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 08:14:07 +0000