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Diffstat (limited to 'src/java/org/apache/fop/render/ps/AbstractPSDocumentGraphics2D.java')
| -rw-r--r-- | src/java/org/apache/fop/render/ps/AbstractPSDocumentGraphics2D.java | 263 |
1 files changed, 0 insertions, 263 deletions
diff --git a/src/java/org/apache/fop/render/ps/AbstractPSDocumentGraphics2D.java b/src/java/org/apache/fop/render/ps/AbstractPSDocumentGraphics2D.java deleted file mode 100644 index 33c366a4d..000000000 --- a/src/java/org/apache/fop/render/ps/AbstractPSDocumentGraphics2D.java +++ /dev/null @@ -1,263 +0,0 @@ -/* - * Copyright 1999-2006 The Apache Software Foundation. - * - * Licensed 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.ps; - -//Java -import java.awt.Color; -import java.awt.Shape; -import java.awt.geom.AffineTransform; -import java.io.OutputStream; -import java.io.IOException; - -//FOP -import org.apache.fop.fonts.FontInfo; -import org.apache.fop.fonts.FontSetup; - -/** - * This class is a wrapper for the <tt>PSGraphics2D</tt> that - * is used to create a full document around the PostScript rendering from - * <tt>PSGraphics2D</tt>. - * - * @author <a href="mailto:keiron@aftexsw.com">Keiron Liddle</a> - * @version $Id$ - * @see org.apache.fop.render.ps.PSGraphics2D - */ -public abstract class AbstractPSDocumentGraphics2D extends PSGraphics2D { - - protected static final Integer ZERO = new Integer(0); - - protected int width; - protected int height; - - protected float viewportWidth; - protected float viewportHeight; - - protected int pagecount; - protected boolean pagePending; - - protected Shape initialClip; - protected AffineTransform initialTransform; - - - /** - * Create a new AbstractPSDocumentGraphics2D. - * This is used to create a new PostScript document, the height, - * width and output stream can be setup later. - * For use by the transcoder which needs font information - * for the bridge before the document size is known. - * The resulting document is written to the stream after rendering. - * - * @param textAsShapes set this to true so that text will be rendered - * using curves and not the font. - */ - AbstractPSDocumentGraphics2D(boolean textAsShapes) { - super(textAsShapes); - - if (!textAsShapes) { - fontInfo = new FontInfo(); - FontSetup.setup(fontInfo, null, null); - } - } - - /** - * Setup the document. - * @param stream the output stream to write the document - * @param width the width of the page - * @param height the height of the page - * @throws IOException an io exception if there is a problem - * writing to the output stream - */ - public void setupDocument(OutputStream stream, int width, int height) throws IOException { - this.width = width; - this.height = height; - this.pagecount = 0; - this.pagePending = false; - - //Setup for PostScript generation - setPSGenerator(new PSGenerator(stream)); - - writeFileHeader(); - } - - protected abstract void writeFileHeader() throws IOException; - - /** - * Create a new AbstractPSDocumentGraphics2D. - * This is used to create a new PostScript document of the given height - * and width. - * The resulting document is written to the stream after rendering. - * - * @param textAsShapes set this to true so that text will be rendered - * using curves and not the font. - * @param stream the stream that the final document should be written to. - * @param width the width of the document - * @param height the height of the document - * @throws IOException an io exception if there is a problem - * writing to the output stream - */ - public AbstractPSDocumentGraphics2D(boolean textAsShapes, OutputStream stream, - int width, int height) throws IOException { - this(textAsShapes); - setupDocument(stream, width, height); - } - - /** - * Set the dimensions of the SVG document that will be drawn. - * This is useful if the dimensions of the SVG document are different - * from the PostScript document that is to be created. - * The result is scaled so that the SVG fits correctly inside the - * PostScript document. - * @param w the width of the page - * @param h the height of the page - * @throws IOException in case of an I/O problem - */ - public void setSVGDimension(float w, float h) throws IOException { - this.viewportWidth = w; - this.viewportHeight = h; - /* - if (w != this.width || h != this.height) { - gen.concatMatrix(width / w, 0, 0, height / h, 0, 0); - }*/ - } - - /** - * Set the background of the PostScript document. - * This is used to set the background for the PostScript document - * Rather than leaving it as the default white. - * @param col the background colour to fill - */ - public void setBackgroundColor(Color col) { - /**(todo) Implement this */ - /* - Color c = col; - PDFColor currentColour = new PDFColor(c.getRed(), c.getGreen(), c.getBlue()); - currentStream.write("q\n"); - currentStream.write(currentColour.getColorSpaceOut(true)); - - currentStream.write("0 0 " + width + " " + height + " re\n"); - - currentStream.write("f\n"); - currentStream.write("Q\n"); - */ - } - - public int getPageCount() { - return this.pagecount; - } - - public void nextPage() throws IOException { - closePage(); - } - - protected void closePage() throws IOException { - if (!this.pagePending) { - return; //ignore - } - //Finish page - writePageTrailer(); - this.pagePending = false; - } - - /** - * Writes the page header for a page. - * @throws IOException In case an I/O error occurs - */ - protected abstract void writePageHeader() throws IOException; - - /** - * Writes the page trailer for a page. - * @throws IOException In case an I/O error occurs - */ - protected abstract void writePageTrailer() throws IOException; - - - /** {@inheritDoc} */ - protected void preparePainting() { - if (this.pagePending) { - return; - } - try { - startPage(); - } catch (IOException ioe) { - handleIOException(ioe); - } - } - - protected void startPage() throws IOException { - if (this.pagePending) { - throw new IllegalStateException("Close page first before starting another"); - } - //Start page - this.pagecount++; - - if (this.initialTransform == null) { - //Save initial transformation matrix - this.initialTransform = getTransform(); - this.initialClip = getClip(); - } else { - //Reset transformation matrix - setTransform(this.initialTransform); - setClip(this.initialClip); - } - - writePageHeader(); - if ((this.viewportWidth != this.width - || this.viewportHeight != this.height) - && (this.viewportWidth > 0) && (this.viewportHeight > 0)){ - gen.concatMatrix(this.width / this.viewportWidth, 0, - 0, -1 * (this.height / this.viewportHeight), - 0, this.height); - } else { - gen.concatMatrix(1, 0, 0, -1, 0, this.height); - } - gen.writeDSCComment(DSCConstants.END_PAGE_SETUP); - this.pagePending = true; - } - - /** - * The rendering process has finished. - * This should be called after the rendering has completed as there is - * no other indication it is complete. - * This will then write the results to the output stream. - * @throws IOException an io exception if there is a problem - * writing to the output stream - */ - public void finish() throws IOException { - if (this.pagePending) { - closePage(); - } - - //Finish document - gen.writeDSCComment(DSCConstants.TRAILER); - gen.writeDSCComment(DSCConstants.PAGES, new Integer(this.pagecount)); - gen.writeDSCComment(DSCConstants.EOF); - gen.flush(); - } - - /** - * This constructor supports the create method - * @param g the PostScript document graphics to make a copy of - */ - public AbstractPSDocumentGraphics2D(AbstractPSDocumentGraphics2D g) { - super(g); - } - - -} - |