| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.xmlgraphics.java2d; |
| |
| import java.awt.Color; |
| import java.awt.Font; |
| import java.awt.FontMetrics; |
| import java.awt.Graphics; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.Image; |
| import java.awt.Shape; |
| import java.awt.geom.AffineTransform; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.ImageObserver; |
| import java.awt.image.RenderedImage; |
| import java.awt.image.renderable.RenderableImage; |
| import java.text.AttributedCharacterIterator; |
| |
| /** |
| * 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:vincent.hardy@eng.sun.com">Vincent Hardy</a> |
| * @version $Id$ |
| * @see org.apache.xmlgraphics.java2d.AbstractGraphics2D |
| */ |
| public class DefaultGraphics2D extends AbstractGraphics2D { |
| /** |
| * Default constructor |
| */ |
| public DefaultGraphics2D(boolean textAsShapes){ |
| super(textAsShapes); |
| } |
| |
| /** |
| * This constructor supports the create method |
| */ |
| public DefaultGraphics2D(DefaultGraphics2D g){ |
| super(g); |
| } |
| |
| /** |
| * 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 DefaultGraphics2D(this); |
| } |
| |
| /** |
| * 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. |
| * @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){ |
| System.err.println("drawImage"); |
| return true; |
| } |
| |
| /** |
| * 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. |
| * @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) { |
| System.out.println("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(){ |
| System.out.println("dispose"); |
| } |
| |
| /** |
| * 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(java.awt.Stroke) |
| * @see #setPaint(java.awt.Paint) |
| * @see java.awt.Graphics#setColor |
| * @see #setTransform(AffineTransform) |
| * @see #setClip(Shape) |
| * @see #setComposite(java.awt.Composite) |
| */ |
| public void draw(Shape s){ |
| System.out.println("draw(Shape)"); |
| } |
| |
| /** |
| * 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 #setTransform(AffineTransform) |
| * @see #setComposite(java.awt.Composite) |
| * @see #setClip(Shape) |
| */ |
| public void drawRenderedImage(RenderedImage img, |
| AffineTransform xform) { |
| System.out.println("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 #setTransform(AffineTransform) |
| * @see #setComposite(java.awt.Composite) |
| * @see #setClip(Shape) |
| * @see #drawRenderedImage |
| */ |
| public void drawRenderableImage(RenderableImage img, |
| AffineTransform xform){ |
| System.out.println("drawRenderableImage"); |
| } |
| |
| /** |
| * 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(java.awt.Paint) |
| * @see java.awt.Graphics#setColor |
| * @see java.awt.Graphics#setFont |
| * @see #setTransform(AffineTransform) |
| * @see #setComposite(java.awt.Composite) |
| * @see #setClip(Shape) |
| */ |
| public void drawString(String s, float x, float y){ |
| System.out.println("drawString(String)"); |
| } |
| |
| /** |
| * 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(java.awt.Paint) |
| * @see java.awt.Graphics#setColor |
| * @see #setTransform(AffineTransform) |
| * @see #setComposite(java.awt.Composite) |
| * @see #setClip(Shape) |
| */ |
| public void drawString(AttributedCharacterIterator iterator, |
| float x, float y) { |
| System.err.println("drawString(AttributedCharacterIterator)"); |
| } |
| |
| |
| |
| /** |
| * 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(java.awt.Paint) |
| * @see java.awt.Graphics#setColor |
| * @see #setTransform(AffineTransform) |
| * @see #setComposite(java.awt.Composite) |
| * @see #setClip(Shape) |
| */ |
| public void fill(Shape s){ |
| System.err.println("fill"); |
| } |
| |
| /** |
| * Returns the device configuration associated with this |
| * <code>Graphics2D</code>. |
| */ |
| public GraphicsConfiguration getDeviceConfiguration(){ |
| System.out.println("getDeviceConviguration"); |
| return null; |
| } |
| |
| /** |
| * Used to create proper font metrics |
| */ |
| private Graphics2D fmg; |
| |
| { |
| BufferedImage bi |
| = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB); |
| |
| fmg = bi.createGraphics(); |
| } |
| |
| /** |
| * 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 FontMetrics getFontMetrics(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){ |
| System.out.println("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){ |
| System.out.println("copyArea"); |
| } |
| |
| } |
