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Diffstat (limited to 'src/java/org/apache/fop/render/ps/PSState.java')
| -rw-r--r-- | src/java/org/apache/fop/render/ps/PSState.java | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/java/org/apache/fop/render/ps/PSState.java b/src/java/org/apache/fop/render/ps/PSState.java deleted file mode 100644 index 7421c5f28..000000000 --- a/src/java/org/apache/fop/render/ps/PSState.java +++ /dev/null @@ -1,201 +0,0 @@ -/* - * Copyright 1999-2005 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; - -import java.io.IOException; -import java.io.Serializable; -import java.util.List; -import java.awt.Color; -import java.awt.geom.AffineTransform; - -/** - * This class holds the current state of the PostScript interpreter. - * - * @author <a href="mailto:fop-dev@xml.apache.org">Apache XML FOP Development Team</a> - * @version $Id$ - */ -public class PSState implements Serializable { - - /** Default for setdash */ - public static final String DEFAULT_DASH = "[] 0"; - /** Default color in PostScript */ - public static final Color DEFAULT_RGB_COLOR = Color.black; - - private AffineTransform transform = new AffineTransform(); - private List transformConcatList = new java.util.ArrayList(); - - private int linecap = 0; - private double linewidth = 1.0f; - private String dashpattern = DEFAULT_DASH; - private Color rgbColor = DEFAULT_RGB_COLOR; - - //Font state - private String fontname; - private float fontsize; - - /** - * Default constructor - */ - public PSState() { - //nop - } - - /** - * Copy constructor - * @param org the original to copy from - * @param copyTransforms true if the list of matrix concats should be cloned, too - */ - public PSState(PSState org, boolean copyTransforms) { - this.transform = (AffineTransform)org.transform.clone(); - if (copyTransforms) { - this.transformConcatList.addAll(org.transformConcatList); - } - this.linecap = org.linecap; - this.linewidth = org.linewidth; - this.dashpattern = org.dashpattern; - this.rgbColor = org.rgbColor; - this.fontname = org.fontname; - this.fontsize = org.fontsize; - } - - /** - * Returns the transform. - * @return the current transformation matrix - */ - public AffineTransform getTransform() { - return this.transform; - } - - /** - * Check the current transform. - * The transform for the current state is the combination of all - * transforms in the current state. The parameter is compared - * against this current transform. - * - * @param tf the transform the check against - * @return true if the new transform is different then the current transform - */ - public boolean checkTransform(AffineTransform tf) { - return !tf.equals(this.transform); - } - - /** - * Concats the given transformation matrix with the current one. - * @param transform The new transformation matrix - */ - public void concatMatrix(AffineTransform transform) { - this.transformConcatList.add(transform); - this.transform.concatenate(transform); - } - - /** - * Establishes the specified line cap. - * @param value line cap (0, 1 or 2) as defined by the setlinecap command - * @return true if the line cap changed compared to the previous setting - */ - public boolean useLineCap(int value) { - if (linecap != value) { - linecap = value; - return true; - } else { - return false; - } - } - - /** - * Establishes the specified line width. - * @param value line width as defined by the setlinewidth command - * @return true if the line width changed compared to the previous setting - */ - public boolean useLineWidth(double value) { - if (linewidth != value) { - linewidth = value; - return true; - } else { - return false; - } - } - - /** - * Establishes the specified dash. - * @param pattern dash pattern as defined by the setdash command - * @return true if the dash pattern changed compared to the previous setting - */ - public boolean useDash(String pattern) { - if (!dashpattern.equals(pattern)) { - dashpattern = pattern; - return true; - } else { - return false; - } - } - - /** - * Establishes the specified color (RGB). - * @param value color as defined by the setrgbcolor command - * @return true if the color changed compared to the previous setting - */ - public boolean useColor(Color value) { - if (!rgbColor.equals(value)) { - rgbColor = value; - return true; - } else { - return false; - } - } - - /** - * Establishes the specified font and size. - * @param name name of the font for the "F" command (see FOP Std Proc Set) - * @param size size of the font - * @return true if the font changed compared to the previous setting - */ - public boolean useFont(String name, float size) { - if (name == null) { - throw new NullPointerException("font name must not be null"); - } - if (fontname == null || !fontname.equals(name) || fontsize != size) { - fontname = name; - fontsize = size; - return true; - } else { - return false; - } - } - - /** - * Reestablishes the graphics state represented by this instance by issueing the - * necessary commands. - * @param gen The generator to use for output - * @exception IOException In case of an I/O problem - */ - public void reestablish(PSGenerator gen) throws IOException { - for (int i = 0, len = transformConcatList.size(); i < len; i++) { - gen.concatMatrix((AffineTransform)transformConcatList.get(i)); - } - gen.useLineCap(linecap); - gen.useLineWidth(linewidth); - gen.useDash(dashpattern); - gen.useRGBColor(rgbColor); - if (fontname != null) { - gen.useFont(fontname, fontsize); - } - } - -} |