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Diffstat (limited to 'src/java/org/apache/fop/render/ps/PSGraphics2D.java')
| -rw-r--r-- | src/java/org/apache/fop/render/ps/PSGraphics2D.java | 1181 |
1 files changed, 0 insertions, 1181 deletions
diff --git a/src/java/org/apache/fop/render/ps/PSGraphics2D.java b/src/java/org/apache/fop/render/ps/PSGraphics2D.java deleted file mode 100644 index eb7b59e39..000000000 --- a/src/java/org/apache/fop/render/ps/PSGraphics2D.java +++ /dev/null @@ -1,1181 +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.text.AttributedCharacterIterator; -import java.awt.AlphaComposite; -import java.awt.BasicStroke; -import java.awt.Color; -import java.awt.Dimension; -/* java.awt.Font is not imported to avoid confusion with - org.apache.fop.fonts.Font */ -import java.awt.GradientPaint; -import java.awt.Graphics; -import java.awt.Graphics2D; -import java.awt.GraphicsConfiguration; -import java.awt.GraphicsEnvironment; -import java.awt.Image; -import java.awt.Paint; -import java.awt.Rectangle; -import java.awt.Shape; -import java.awt.Stroke; -import java.awt.TexturePaint; -import java.awt.color.ColorSpace; -import java.awt.color.ICC_Profile; -import java.awt.font.FontRenderContext; -import java.awt.font.GlyphVector; -import java.awt.geom.AffineTransform; -import java.awt.geom.PathIterator; -import java.awt.image.BufferedImage; -import java.awt.image.DataBuffer; -import java.awt.image.DataBufferInt; -import java.awt.image.ImageObserver; -import java.awt.image.Raster; -import java.awt.image.RenderedImage; -import java.awt.image.renderable.RenderableImage; -import java.io.IOException; - -//Batik -import org.apache.batik.ext.awt.RenderingHintsKeyExt; -import org.apache.batik.ext.awt.g2d.AbstractGraphics2D; -import org.apache.batik.ext.awt.g2d.GraphicContext; -import org.apache.commons.logging.Log; -import org.apache.commons.logging.LogFactory; - -//FOP -import org.apache.fop.fonts.Font; -import org.apache.fop.fonts.FontInfo; -import org.apache.fop.fonts.FontTriplet; -import org.apache.fop.image.FopImage; - -/** - * This concrete implementation of <tt>AbstractGraphics2D</tt> is a - * simple help to programmers to get started with their own - * implementation of <tt>Graphics2D</tt>. - * <tt>DefaultGraphics2D</tt> implements all the abstract methods - * is <tt>AbstractGraphics2D</tt> and makes it easy to start - * implementing a <tt>Graphic2D</tt> piece-meal. - * - * @author <a href="mailto:keiron@aftexsw.com">Keiron Liddle</a> - * @version $Id$ - * @see org.apache.batik.ext.awt.g2d.AbstractGraphics2D - */ -public class PSGraphics2D extends AbstractGraphics2D { - - private static final AffineTransform IDENTITY_TRANSFORM = new AffineTransform(); - - /** the logger for this class */ - protected Log log = LogFactory.getLog(PSTextPainter.class); - - /** the PostScript generator being created */ - protected PSGenerator gen; - - private boolean clippingDisabled = false; - - /** Currently valid FontState */ - protected Font font; - - /** Overriding FontState */ - protected Font overrideFont = null; - - /** the current (internal) font name */ - protected String currentFontName; - - /** the current font size in millipoints */ - protected int currentFontSize; - - /** - * the current colour for use in svg - */ - protected Color currentColour = new Color(0, 0, 0); - - /** FontInfo containing all available fonts */ - protected FontInfo fontInfo; - - /** - * Create a new Graphics2D that generates PostScript code. - * @param textAsShapes True if text should be rendered as graphics - * @see org.apache.batik.ext.awt.g2d.AbstractGraphics2D#AbstractGraphics2D(boolean) - */ - public PSGraphics2D(boolean textAsShapes) { - super(textAsShapes); - } - - /** - * Create a new Graphics2D that generates PostScript code. - * @param textAsShapes True if text should be rendered as graphics - * @param gen PostScript generator to use for output - * @see org.apache.batik.ext.awt.g2d.AbstractGraphics2D#AbstractGraphics2D(boolean) - */ - public PSGraphics2D(boolean textAsShapes, PSGenerator gen) { - this(textAsShapes); - setPSGenerator(gen); - } - - /** - * Constructor for creating copies - * @param g parent PostScript Graphics2D - */ - public PSGraphics2D(PSGraphics2D g) { - super(g); - - setPSGenerator(g.gen); - this.clippingDisabled = g.clippingDisabled; - this.font = g.font; - this.overrideFont = g.overrideFont; - this.currentFontName = g.currentFontName; - this.currentFontSize = g.currentFontSize; - this.currentColour = g.currentColour; - this.fontInfo = g.fontInfo; - } - - /** - * Sets the PostScript generator - * @param gen the PostScript generator - */ - public void setPSGenerator(PSGenerator gen) { - this.gen = gen; - } - - /** - * Sets the GraphicContext - * @param c GraphicContext to use - */ - public void setGraphicContext(GraphicContext c) { - gc = c; - setPrivateHints(); - } - - private void setPrivateHints() { - setRenderingHint(RenderingHintsKeyExt.KEY_AVOID_TILE_PAINTING, - RenderingHintsKeyExt.VALUE_AVOID_TILE_PAINTING_ON); - } - - /** - * Creates a new <code>Graphics</code> object that is - * a copy of this <code>Graphics</code> object. - * @return a new graphics context that is a copy of - * this graphics context. - */ - public Graphics create() { - return new PSGraphics2D(this); - } - - /** - * Return the font information associated with this object - * @return the FontInfo object - */ - public FontInfo getFontInfo() { - return fontInfo; - } - - /** - * Central handler for IOExceptions for this class. - * @param ioe IOException to handle - */ - protected void handleIOException(IOException ioe) { - //TODO Surely, there's a better way to do this. - ioe.printStackTrace(); - } - - /** - * This method is used by AbstractPSDocumentGraphics2D to prepare a new page if - * necessary. - */ - protected void preparePainting() { - //nop, used by AbstractPSDocumentGraphics2D - } - - /** - * Draws as much of the specified image as is currently available. - * The image is drawn with its top-left corner at - * (<i>x</i>, <i>y</i>) in this graphics context's coordinate - * space. Transparent pixels in the image do not affect whatever - * pixels are already there. - * <p> - * This method returns immediately in all cases, even if the - * complete image has not yet been loaded, and it has not been dithered - * and converted for the current output device. - * <p> - * If the image has not yet been completely loaded, then - * <code>drawImage</code> returns <code>false</code>. As more of - * the image becomes available, the process that draws the image notifies - * the specified image observer. - * @param img the specified image to be drawn. - * @param x the <i>x</i> coordinate. - * @param y the <i>y</i> coordinate. - * @param observer object to be notified as more of - * the image is converted. - * @return True if the image has been fully drawn/loaded - * @see java.awt.Image - * @see java.awt.image.ImageObserver - * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) - */ - public boolean drawImage(Image img, int x, int y, - ImageObserver observer) { - preparePainting(); - log.debug("drawImage: " + x + ", " + y + " " + img.getClass().getName()); - - final int width = img.getWidth(observer); - final int height = img.getHeight(observer); - if (width == -1 || height == -1) { - return false; - } - - Dimension size = new Dimension(width, height); - BufferedImage buf = buildBufferedImage(size); - - java.awt.Graphics2D g = buf.createGraphics(); - g.setComposite(AlphaComposite.SrcOver); - g.setBackground(new Color(1, 1, 1, 0)); - g.setPaint(new Color(1, 1, 1, 0)); - g.fillRect(0, 0, width, height); - g.clip(new Rectangle(0, 0, buf.getWidth(), buf.getHeight())); - - if (!g.drawImage(img, 0, 0, observer)) { - return false; - } - g.dispose(); - - final byte[] result = new byte[buf.getWidth() * buf.getHeight() * 3]; - //final byte[] mask = new byte[buf.getWidth() * buf.getHeight()]; - - Raster raster = buf.getData(); - DataBuffer bd = raster.getDataBuffer(); - - int count = 0; - //int maskpos = 0; - switch (bd.getDataType()) { - case DataBuffer.TYPE_INT: - int[][] idata = ((DataBufferInt)bd).getBankData(); - for (int i = 0; i < idata.length; i++) { - for (int j = 0; j < idata[i].length; j++) { - // mask[maskpos++] = (byte)((idata[i][j] >> 24) & 0xFF); - if (((idata[i][j] >> 24) & 0xFF) != 255) { - result[count++] = (byte)0xFF; - result[count++] = (byte)0xFF; - result[count++] = (byte)0xFF; - } else { - result[count++] = (byte)((idata[i][j] >> 16) & 0xFF); - result[count++] = (byte)((idata[i][j] >> 8) & 0xFF); - result[count++] = (byte)((idata[i][j]) & 0xFF); - } - } - } - break; - default: - // error - break; - } - - try { - FopImage fopimg = new TempImage(width, height, result, null); - AffineTransform at = getTransform(); - gen.saveGraphicsState(); - gen.concatMatrix(at); - Shape imclip = getClip(); - writeClip(imclip); - PSImageUtils.renderBitmapImage(fopimg, - x, y, width, height, gen); - gen.restoreGraphicsState(); - } catch (IOException ioe) { - handleIOException(ioe); - } - - return true; - } - - /** - * Creates a buffered image. - * @param size dimensions of the image to be created - * @return the buffered image - */ - public BufferedImage buildBufferedImage(Dimension size) { - return new BufferedImage(size.width, size.height, - BufferedImage.TYPE_INT_ARGB); - } - - - class TempImage implements FopImage { - private int height; - private int width; - private int bitsPerPixel; - private ColorSpace colorSpace; - private byte[] bitmaps; - private byte[] mask; - private Color transparentColor; - - TempImage(int width, int height, byte[] bitmaps, - byte[] mask) { - this.height = height; - this.width = width; - this.bitsPerPixel = 8; - this.colorSpace = ColorSpace.getInstance(ColorSpace.CS_sRGB); - this.bitmaps = bitmaps; - this.mask = mask; - } - - public String getMimeType() { - return "application/octet-stream"; - } - - public String getOriginalURI() { - return "temp-image:" + this.toString(); - } - - /** - * @see org.apache.fop.image.FopImage#load(int, org.apache.commons.logging.Log) - */ - public boolean load(int type) { - switch (type) { - case FopImage.DIMENSIONS: break; - case FopImage.BITMAP: break; - case FopImage.ORIGINAL_DATA: break; - default: throw new RuntimeException("Unknown load type: " + type); - } - return true; - } - - public int getWidth() { - return this.width; - } - - public int getHeight() { - return this.height; - } - - public ColorSpace getColorSpace() { - return this.colorSpace; - } - - public ICC_Profile getICCProfile() { - return null; - } - - public int getBitsPerPixel() { - return this.bitsPerPixel; - } - - // For transparent images - public boolean isTransparent() { - return getTransparentColor() != null; - } - - public Color getTransparentColor() { - return this.transparentColor; - } - - public boolean hasSoftMask() { - return this.mask != null; - } - - public byte[] getSoftMask() { - return this.mask; - } - - public boolean isInverted() { - return false; - } - - public byte[] getBitmaps() { - return this.bitmaps; - } - - // width * (bitsPerPixel / 8) * height, no ? - public int getBitmapsSize() { - return getWidth() * getHeight() * 3; //Assumes RGB! - } - - // get compressed image bytes - // I don't know if we really need it, nor if it - // should be changed... - public byte[] getRessourceBytes() { - return null; - } - - public int getRessourceBytesSize() { - return 0; - } - - /** @see org.apache.fop.image.FopImage#getIntrinsicWidth() */ - public int getIntrinsicWidth() { - return (int)(getWidth() * 72 / getHorizontalResolution()); - } - - /** @see org.apache.fop.image.FopImage#getIntrinsicHeight() */ - public int getIntrinsicHeight() { - return (int)(getHeight() * 72 / getVerticalResolution()); - } - - /** @see org.apache.fop.image.FopImage#getHorizontalResolution() */ - public double getHorizontalResolution() { - return 72; - } - - /** @see org.apache.fop.image.FopImage#getVerticalResolution() */ - public double getVerticalResolution() { - return 72; - } - - } - - - /** - * Draws as much of the specified image as has already been scaled - * to fit inside the specified rectangle. - * <p> - * The image is drawn inside the specified rectangle of this - * graphics context's coordinate space, and is scaled if - * necessary. Transparent pixels do not affect whatever pixels - * are already there. - * <p> - * This method returns immediately in all cases, even if the - * entire image has not yet been scaled, dithered, and converted - * for the current output device. - * If the current output representation is not yet complete, then - * <code>drawImage</code> returns <code>false</code>. As more of - * the image becomes available, the process that draws the image notifies - * the image observer by calling its <code>imageUpdate</code> method. - * <p> - * A scaled version of an image will not necessarily be - * available immediately just because an unscaled version of the - * image has been constructed for this output device. Each size of - * the image may be cached separately and generated from the original - * data in a separate image production sequence. - * @param img the specified image to be drawn. - * @param x the <i>x</i> coordinate. - * @param y the <i>y</i> coordinate. - * @param width the width of the rectangle. - * @param height the height of the rectangle. - * @param observer object to be notified as more of - * the image is converted. - * @return True if the image has been fully loaded/drawn - * @see java.awt.Image - * @see java.awt.image.ImageObserver - * @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) - */ - public boolean drawImage(Image img, int x, int y, int width, int height, - ImageObserver observer) { - preparePainting(); - log.warn("NYI: drawImage"); - return true; - } - - /** - * Disposes of this graphics context and releases - * any system resources that it is using. - * A <code>Graphics</code> object cannot be used after - * <code>dispose</code>has been called. - * <p> - * When a Java program runs, a large number of <code>Graphics</code> - * objects can be created within a short time frame. - * Although the finalization process of the garbage collector - * also disposes of the same system resources, it is preferable - * to manually free the associated resources by calling this - * method rather than to rely on a finalization process which - * may not run to completion for a long period of time. - * <p> - * Graphics objects which are provided as arguments to the - * <code>paint</code> and <code>update</code> methods - * of components are automatically released by the system when - * those methods return. For efficiency, programmers should - * call <code>dispose</code> when finished using - * a <code>Graphics</code> object only if it was created - * directly from a component or another <code>Graphics</code> object. - * @see java.awt.Graphics#finalize - * @see java.awt.Component#paint - * @see java.awt.Component#update - * @see java.awt.Component#getGraphics - * @see java.awt.Graphics#create - */ - public void dispose() { - this.gen = null; - this.font = null; - this.currentColour = null; - this.fontInfo = null; - } - - /** - * Processes a path iterator generating the nexessary painting operations. - * @param iter PathIterator to process - * @throws IOException In case of an I/O problem. - */ - public void processPathIterator(PathIterator iter) throws IOException { - double[] vals = new double[6]; - while (!iter.isDone()) { - int type = iter.currentSegment(vals); - switch (type) { - case PathIterator.SEG_CUBICTO: - gen.writeln(gen.formatDouble(vals[0]) + " " - + gen.formatDouble(vals[1]) + " " - + gen.formatDouble(vals[2]) + " " - + gen.formatDouble(vals[3]) + " " - + gen.formatDouble(vals[4]) + " " - + gen.formatDouble(vals[5]) - + " curveto"); - break; - case PathIterator.SEG_LINETO: - gen.writeln(gen.formatDouble(vals[0]) + " " - + gen.formatDouble(vals[1]) - + " lineto"); - break; - case PathIterator.SEG_MOVETO: - gen.writeln(gen.formatDouble(vals[0]) + " " - + gen.formatDouble(vals[1]) - + " M"); - break; - case PathIterator.SEG_QUADTO: - gen.writeln(gen.formatDouble(vals[0]) + " " - + gen.formatDouble(vals[1]) + " " - + gen.formatDouble(vals[2]) + " " - + gen.formatDouble(vals[3]) + " QUADTO "); - break; - case PathIterator.SEG_CLOSE: - gen.writeln("closepath"); - break; - default: - break; - } - iter.next(); - } - } - - /** - * Strokes the outline of a <code>Shape</code> using the settings of the - * current <code>Graphics2D</code> context. The rendering attributes - * applied include the <code>Clip</code>, <code>Transform</code>, - * <code>Paint</code>, <code>Composite</code> and - * <code>Stroke</code> attributes. - * @param s the <code>Shape</code> to be rendered - * @see #setStroke - * @see #setPaint - * @see java.awt.Graphics#setColor - * @see #transform - * @see #setTransform - * @see #clip - * @see #setClip - * @see #setComposite - */ - public void draw(Shape s) { - preparePainting(); - try { - gen.saveGraphicsState(); - - AffineTransform trans = getTransform(); - boolean newTransform = gen.getCurrentState().checkTransform(trans) - && !trans.isIdentity(); - - if (newTransform) { - gen.concatMatrix(trans); - } - Shape imclip = getClip(); - writeClip(imclip); - establishColor(getColor()); - - applyPaint(getPaint(), false); - applyStroke(getStroke()); - - gen.writeln("newpath"); - PathIterator iter = s.getPathIterator(IDENTITY_TRANSFORM); - processPathIterator(iter); - doDrawing(false, true, false); - gen.restoreGraphicsState(); - } catch (IOException ioe) { - handleIOException(ioe); - } - } - - /** - * Establishes a clipping region - * @param s Shape defining the clipping region - */ - protected void writeClip(Shape s) { - if (s == null) { - return; - } - if (!this.clippingDisabled) { - preparePainting(); - try { - gen.writeln("newpath"); - PathIterator iter = s.getPathIterator(IDENTITY_TRANSFORM); - processPathIterator(iter); - // clip area - gen.writeln("clip"); - } catch (IOException ioe) { - handleIOException(ioe); - } - } - } - - /** - * Applies a new Paint object. - * @param paint Paint object to use - * @param fill True if to be applied for filling - */ - protected void applyPaint(Paint paint, boolean fill) { - preparePainting(); - if (paint instanceof GradientPaint) { - log.warn("NYI: Gradient paint"); - } else if (paint instanceof TexturePaint) { - log.warn("NYI: texture paint"); - } - } - - /** - * Applies a new Stroke object. - * @param stroke Stroke object to use - */ - protected void applyStroke(Stroke stroke) { - preparePainting(); - try { - if (stroke instanceof BasicStroke) { - BasicStroke bs = (BasicStroke)stroke; - - float[] da = bs.getDashArray(); - if (da != null) { - gen.write("["); - for (int count = 0; count < da.length; count++) { - gen.write("" + ((int)da[count])); - if (count < da.length - 1) { - gen.write(" "); - } - } - gen.write("] "); - float offset = bs.getDashPhase(); - gen.writeln(((int)offset) + " setdash"); - } - int ec = bs.getEndCap(); - switch (ec) { - case BasicStroke.CAP_BUTT: - gen.writeln("0 setlinecap"); - break; - case BasicStroke.CAP_ROUND: - gen.writeln("1 setlinecap"); - break; - case BasicStroke.CAP_SQUARE: - gen.writeln("2 setlinecap"); - break; - default: log.warn("Unsupported line cap: " + ec); - } - - int lj = bs.getLineJoin(); - switch (lj) { - case BasicStroke.JOIN_MITER: - gen.writeln("0 setlinejoin"); - break; - case BasicStroke.JOIN_ROUND: - gen.writeln("1 setlinejoin"); - break; - case BasicStroke.JOIN_BEVEL: - gen.writeln("2 setlinejoin"); - break; - default: log.warn("Unsupported line join: " + lj); - } - float lw = bs.getLineWidth(); - gen.writeln(gen.formatDouble(lw) + " setlinewidth"); - - float ml = bs.getMiterLimit(); - gen.writeln(gen.formatDouble(ml) + " setmiterlimit"); - } - } catch (IOException ioe) { - handleIOException(ioe); - } - } - - /** - * Renders a {@link RenderedImage}, - * applying a transform from image - * space into user space before drawing. - * The transformation from user space into device space is done with - * the current <code>Transform</code> in the <code>Graphics2D</code>. - * The specified transformation is applied to the image before the - * transform attribute in the <code>Graphics2D</code> context is applied. - * The rendering attributes applied include the <code>Clip</code>, - * <code>Transform</code>, and <code>Composite</code> attributes. Note - * that no rendering is done if the specified transform is - * noninvertible. - * @param img the image to be rendered - * @param xform the transformation from image space into user space - * @see #transform - * @see #setTransform - * @see #setComposite - * @see #clip - * @see #setClip - */ - public void drawRenderedImage(RenderedImage img, AffineTransform xform) { - preparePainting(); - log.warn("NYI: drawRenderedImage"); - } - - /** - * Renders a - * {@link RenderableImage}, - * applying a transform from image space into user space before drawing. - * The transformation from user space into device space is done with - * the current <code>Transform</code> in the <code>Graphics2D</code>. - * The specified transformation is applied to the image before the - * transform attribute in the <code>Graphics2D</code> context is applied. - * The rendering attributes applied include the <code>Clip</code>, - * <code>Transform</code>, and <code>Composite</code> attributes. Note - * that no rendering is done if the specified transform is - * noninvertible. - * <p> - * Rendering hints set on the <code>Graphics2D</code> object might - * be used in rendering the <code>RenderableImage</code>. - * If explicit control is required over specific hints recognized by a - * specific <code>RenderableImage</code>, or if knowledge of which hints - * are used is required, then a <code>RenderedImage</code> should be - * obtained directly from the <code>RenderableImage</code> - * and rendered using - * {@link #drawRenderedImage(RenderedImage, AffineTransform) drawRenderedImage}. - * @param img the image to be rendered - * @param xform the transformation from image space into user space - * @see #transform - * @see #setTransform - * @see #setComposite - * @see #clip - * @see #setClip - * @see #drawRenderedImage - */ - public void drawRenderableImage(RenderableImage img, - AffineTransform xform) { - preparePainting(); - log.warn("NYI: drawRenderableImage"); - } - - /** - * Establishes the given color in the PostScript interpreter. - * @param c the color to set - * @throws IOException In case of an I/O problem - */ - protected void establishColor(Color c) throws IOException { - StringBuffer p = new StringBuffer(); - float[] comps = c.getColorComponents(null); - - if (c.getColorSpace().getType() == ColorSpace.TYPE_RGB) { - // according to pdfspec 12.1 p.399 - // if the colors are the same then just use the g or G operator - boolean same = (comps[0] == comps[1] - && comps[0] == comps[2]); - // output RGB - if (same) { - p.append(gen.formatDouble(comps[0])); - } else { - for (int i = 0; i < c.getColorSpace().getNumComponents(); i++) { - if (i > 0) { - p.append(" "); - } - p.append(gen.formatDouble(comps[i])); - } - } - if (same) { - p.append(" setgray"); - } else { - p.append(" setrgbcolor"); - } - } else if (c.getColorSpace().getType() == ColorSpace.TYPE_CMYK) { - // colorspace is CMYK - for (int i = 0; i < c.getColorSpace().getNumComponents(); i++) { - if (i > 0) { - p.append(" "); - } - p.append(gen.formatDouble(comps[i])); - } - p.append(" setcmykcolor"); - } else { - // means we're in DeviceGray or Unknown. - // assume we're in DeviceGray, because otherwise we're screwed. - p.append(gen.formatDouble(comps[0])); - p.append(" setgray"); - } - gen.writeln(p.toString()); - } - - /** - * Renders the text specified by the specified <code>String</code>, - * using the current <code>Font</code> and <code>Paint</code> attributes - * in the <code>Graphics2D</code> context. - * The baseline of the first character is at position - * (<i>x</i>, <i>y</i>) in the User Space. - * The rendering attributes applied include the <code>Clip</code>, - * <code>Transform</code>, <code>Paint</code>, <code>Font</code> and - * <code>Composite</code> attributes. For characters in script systems - * such as Hebrew and Arabic, the glyphs can be rendered from right to - * left, in which case the coordinate supplied is the location of the - * leftmost character on the baseline. - * @param s the <code>String</code> to be rendered - * @param x the x-coordinate where the <code>String</code> - * should be rendered - * @param y the y-coordinate where the <code>String</code> - * should be rendered - * @see #setPaint - * @see java.awt.Graphics#setColor - * @see java.awt.Graphics#setFont - * @see #setTransform - * @see #setComposite - * @see #setClip - */ - public void drawString(String s, float x, float y) { - if (this.textAsShapes) { - drawStringAsShapes(s, x, y); - } else { - drawStringAsText(s, x, y); - } - } - - /** - * Draw a string to the PostScript document. The text is painted as shapes. - * @param s the string to draw - * @param x the x position - * @param y the y position - */ - public void drawStringAsShapes(String s, float x, float y) { - java.awt.Font awtFont = super.getFont(); - FontRenderContext frc = super.getFontRenderContext(); - GlyphVector gv = awtFont.createGlyphVector(frc, s); - Shape glyphOutline = gv.getOutline(x, y); - fill(glyphOutline); - } - - /** - * Draw a string to the PostScript document. The text is painted using - * text operations. - * @param s the string to draw - * @param x the x position - * @param y the y position - */ - public void drawStringAsText(String s, float x, float y) { - preparePainting(); - log.trace("drawString('" + s + "', " + x + ", " + y + ")"); - try { - if (this.overrideFont == null) { - java.awt.Font awtFont = getFont(); - this.font = createFont(awtFont); - } else { - this.font = this.overrideFont; - this.overrideFont = null; - } - - //Color and Font state - establishColor(getColor()); - establishCurrentFont(); - - //Clip - Shape imclip = getClip(); - writeClip(imclip); - - gen.saveGraphicsState(); - - //Prepare correct transformation - AffineTransform trans = getTransform(); - gen.concatMatrix(trans); - gen.writeln(gen.formatDouble(x) + " " - + gen.formatDouble(y) + " moveto "); - gen.writeln("1 -1 scale"); - - StringBuffer sb = new StringBuffer("("); - escapeText(s, sb); - sb.append(") t "); - - gen.writeln(sb.toString()); - - gen.restoreGraphicsState(); - } catch (IOException ioe) { - handleIOException(ioe); - } - } - - private void escapeText(final String text, StringBuffer target) { - final int l = text.length(); - for (int i = 0; i < l; i++) { - final char ch = text.charAt(i); - final char mch = this.font.mapChar(ch); - PSGenerator.escapeChar(mch, target); - } - } - - private Font createFont(java.awt.Font f) { - String fontFamily = f.getFamily(); - if (fontFamily.equals("sanserif")) { - fontFamily = "sans-serif"; - } - int fontSize = 1000 * f.getSize(); - String style = f.isItalic() ? "italic" : "normal"; - int weight = f.isBold() ? Font.BOLD : Font.NORMAL; - - FontTriplet triplet = fontInfo.findAdjustWeight(fontFamily, style, weight); - if (triplet == null) { - triplet = fontInfo.findAdjustWeight("sans-serif", style, weight); - } - return fontInfo.getFontInstance(triplet, fontSize); - } - - private void establishCurrentFont() throws IOException { - if ((currentFontName != this.font.getFontName()) - || (currentFontSize != this.font.getFontSize())) { - gen.writeln(this.font.getFontName() + " " + this.font.getFontSize() + " F"); - currentFontName = this.font.getFontName(); - currentFontSize = this.font.getFontSize(); - } - } - - /** - * Renders the text of the specified iterator, using the - * <code>Graphics2D</code> context's current <code>Paint</code>. The - * iterator must specify a font - * for each character. The baseline of the - * first character is at position (<i>x</i>, <i>y</i>) in the - * User Space. - * The rendering attributes applied include the <code>Clip</code>, - * <code>Transform</code>, <code>Paint</code>, and - * <code>Composite</code> attributes. - * For characters in script systems such as Hebrew and Arabic, - * the glyphs can be rendered from right to left, in which case the - * coordinate supplied is the location of the leftmost character - * on the baseline. - * @param iterator the iterator whose text is to be rendered - * @param x the x-coordinate where the iterator's text is to be - * rendered - * @param y the y-coordinate where the iterator's text is to be - * rendered - * @see #setPaint - * @see java.awt.Graphics#setColor - * @see #setTransform - * @see #setComposite - * @see #setClip - */ - public void drawString(AttributedCharacterIterator iterator, float x, - float y) { - preparePainting(); - log.warn("NYI: drawString(AttributedCharacterIterator)"); - /* - try { - gen.writeln("BT"); - Shape imclip = getClip(); - writeClip(imclip); - establishColor(getColor()); - - AffineTransform trans = getTransform(); - trans.translate(x, y); - double[] vals = new double[6]; - trans.getMatrix(vals); - - for (char ch = iterator.first(); ch != CharacterIterator.DONE; - ch = iterator.next()) { - //Map attr = iterator.getAttributes(); - - gen.writeln(gen.formatDouble(vals[0]) + " " - + gen.formatDouble(vals[1]) + " " - + gen.formatDouble(vals[2]) + " " - + gen.formatDouble(vals[3]) + " " - + gen.formatDouble(vals[4]) + " " - + gen.formatDouble(vals[5]) + " " - + gen.formatDouble(vals[6]) + " Tm [" + ch - + "]"); - } - gen.writeln("ET"); - } catch (IOException ioe) { - handleIOException(ioe); - }*/ - } - - /** - * Fills the interior of a <code>Shape</code> using the settings of the - * <code>Graphics2D</code> context. The rendering attributes applied - * include the <code>Clip</code>, <code>Transform</code>, - * <code>Paint</code>, and <code>Composite</code>. - * @param s the <code>Shape</code> to be filled - * @see #setPaint - * @see java.awt.Graphics#setColor - * @see #transform - * @see #setTransform - * @see #setComposite - * @see #clip - * @see #setClip - */ - public void fill(Shape s) { - preparePainting(); - try { - gen.saveGraphicsState(); - - AffineTransform trans = getTransform(); - boolean newTransform = gen.getCurrentState().checkTransform(trans) - && !trans.isIdentity(); - - if (newTransform) { - gen.concatMatrix(trans); - } - Shape imclip = getClip(); - writeClip(imclip); - - establishColor(getColor()); - - applyPaint(getPaint(), true); - - gen.writeln("newpath"); - PathIterator iter = s.getPathIterator(IDENTITY_TRANSFORM); - processPathIterator(iter); - doDrawing(true, false, - iter.getWindingRule() == PathIterator.WIND_EVEN_ODD); - gen.restoreGraphicsState(); - } catch (IOException ioe) { - handleIOException(ioe); - } - } - - /** - * Commits a painting operation. - * @param fill filling - * @param stroke stroking - * @param nonzero true if the non-zero winding rule should be used when filling - * @exception IOException In case of an I/O problem - */ - protected void doDrawing(boolean fill, boolean stroke, boolean nonzero) - throws IOException { - preparePainting(); - if (fill) { - if (stroke) { - if (!nonzero) { - gen.writeln("gsave fill grestore stroke"); - } else { - gen.writeln("gsave eofill grestore stroke"); - } - } else { - if (!nonzero) { - gen.writeln("fill"); - } else { - gen.writeln("eofill"); - } - } - } else { - // if(stroke) - gen.writeln("stroke"); - } - } - - /** - * Returns the device configuration associated with this - * <code>Graphics2D</code>. - * @return the device configuration - */ - public GraphicsConfiguration getDeviceConfiguration() { - return GraphicsEnvironment.getLocalGraphicsEnvironment(). - getDefaultScreenDevice().getDefaultConfiguration(); - } - - /** - * Used to create proper font metrics - */ - private Graphics2D fmg; - - { - BufferedImage bi = new BufferedImage(1, 1, - BufferedImage.TYPE_INT_ARGB); - - fmg = bi.createGraphics(); - } - - /** - * Sets the overriding font. - * @param font Font to set - */ - public void setOverrideFont(Font font) { - this.overrideFont = font; - } - - /** - * Gets the font metrics for the specified font. - * @return the font metrics for the specified font. - * @param f the specified font - * @see java.awt.Graphics#getFont - * @see java.awt.FontMetrics - * @see java.awt.Graphics#getFontMetrics() - */ - public java.awt.FontMetrics getFontMetrics(java.awt.Font f) { - return fmg.getFontMetrics(f); - } - - /** - * Sets the paint mode of this graphics context to alternate between - * this graphics context's current color and the new specified color. - * This specifies that logical pixel operations are performed in the - * XOR mode, which alternates pixels between the current color and - * a specified XOR color. - * <p> - * When drawing operations are performed, pixels which are the - * current color are changed to the specified color, and vice versa. - * <p> - * Pixels that are of colors other than those two colors are changed - * in an unpredictable but reversible manner; if the same figure is - * drawn twice, then all pixels are restored to their original values. - * @param c1 the XOR alternation color - */ - public void setXORMode(Color c1) { - log.warn("NYI: setXORMode"); - } - - - /** - * Copies an area of the component by a distance specified by - * <code>dx</code> and <code>dy</code>. From the point specified - * by <code>x</code> and <code>y</code>, this method - * copies downwards and to the right. To copy an area of the - * component to the left or upwards, specify a negative value for - * <code>dx</code> or <code>dy</code>. - * If a portion of the source rectangle lies outside the bounds - * of the component, or is obscured by another window or component, - * <code>copyArea</code> will be unable to copy the associated - * pixels. The area that is omitted can be refreshed by calling - * the component's <code>paint</code> method. - * @param x the <i>x</i> coordinate of the source rectangle. - * @param y the <i>y</i> coordinate of the source rectangle. - * @param width the width of the source rectangle. - * @param height the height of the source rectangle. - * @param dx the horizontal distance to copy the pixels. - * @param dy the vertical distance to copy the pixels. - */ - public void copyArea(int x, int y, int width, int height, int dx, - int dy) { - log.warn("NYI: copyArea"); - } - - /* --- for debugging - public void transform(AffineTransform tx) { - System.out.println("transform(" + toArray(tx) + ")"); - super.transform(zx); - } - - public void scale(double sx, double sy) { - System.out.println("scale(" + sx + ", " + sy + ")"); - super.scale(sx, sy); - } - - public void translate(double tx, double ty) { - System.out.println("translate(double " + tx + ", " + ty + ")"); - super.translate(tx, ty); - } - - public void translate(int tx, int ty) { - System.out.println("translate(int " + tx + ", " + ty + ")"); - super.translate(tx, ty); - } - */ - -} |