/* |
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* Copyright (c) 2000, 2007, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package sun.print; |
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import java.awt.Color; |
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import java.awt.Font; |
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import java.awt.FontMetrics; |
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import java.awt.Graphics; |
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import java.awt.Image; |
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import java.awt.Polygon; |
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import java.awt.Rectangle; |
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import java.awt.Shape; |
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import java.awt.image.ImageObserver; |
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import java.text.AttributedCharacterIterator; |
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/** |
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* Implements the Graphics API but does all |
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* rendering through a second Graphics instance. |
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* The primary use of this class is to provide |
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* a Graphics instance without the 2D API to |
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* an application, but to implement the rendering |
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* with a Graphics2D instance. |
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*/ |
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public class ProxyGraphics extends Graphics { |
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/** |
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* The Graphics instance that performs the |
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* drawing for this Graphics. |
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*/ |
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private Graphics g; |
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public ProxyGraphics(Graphics graphics) { |
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g = graphics; |
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} |
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Graphics getGraphics() { |
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return g; |
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} |
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/** |
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* Creates a new <code>Graphics</code> object that is |
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* a copy of this <code>Graphics</code> object. |
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* @return a new graphics context that is a copy of |
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* this graphics context. |
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*/ |
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public Graphics create() { |
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return new ProxyGraphics(g.create()); |
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} |
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/** |
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* Creates a new <code>Graphics</code> object based on this |
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* <code>Graphics</code> object, but with a new translation and clip area. |
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* The new <code>Graphics</code> object has its origin |
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* translated to the specified point (<i>x</i>, <i>y</i>). |
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* Its clip area is determined by the intersection of the original |
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* clip area with the specified rectangle. The arguments are all |
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* interpreted in the coordinate system of the original |
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* <code>Graphics</code> object. The new graphics context is |
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* identical to the original, except in two respects: |
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* <p> |
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* <ul> |
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* <li> |
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* The new graphics context is translated by (<i>x</i>, <i>y</i>). |
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* That is to say, the point (<code>0</code>, <code>0</code>) in the |
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* new graphics context is the same as (<i>x</i>, <i>y</i>) in |
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* the original graphics context. |
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* <li> |
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* The new graphics context has an additional clipping rectangle, in |
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* addition to whatever (translated) clipping rectangle it inherited |
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* from the original graphics context. The origin of the new clipping |
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* rectangle is at (<code>0</code>, <code>0</code>), and its size |
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* is specified by the <code>width</code> and <code>height</code> |
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* arguments. |
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* </ul> |
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* <p> |
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* @param x the <i>x</i> coordinate. |
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* @param y the <i>y</i> coordinate. |
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* @param width the width of the clipping rectangle. |
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* @param height the height of the clipping rectangle. |
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* @return a new graphics context. |
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* @see java.awt.Graphics#translate |
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* @see java.awt.Graphics#clipRect |
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*/ |
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public Graphics create(int x, int y, int width, int height) { |
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return new ProxyGraphics(g.create(x, y, width, height)); |
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} |
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/** |
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* Translates the origin of the graphics context to the point |
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* (<i>x</i>, <i>y</i>) in the current coordinate system. |
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* Modifies this graphics context so that its new origin corresponds |
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* to the point (<i>x</i>, <i>y</i>) in this graphics context's |
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* original coordinate system. All coordinates used in subsequent |
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* rendering operations on this graphics context will be relative |
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* to this new origin. |
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* @param x the <i>x</i> coordinate. |
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* @param y the <i>y</i> coordinate. |
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*/ |
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public void translate(int x, int y) { |
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g.translate(x, y); |
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} |
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/** |
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* Gets this graphics context's current color. |
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* @return this graphics context's current color. |
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* @see java.awt.Color |
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* @see java.awt.Graphics#setColor |
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*/ |
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public Color getColor() { |
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return g.getColor(); |
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} |
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/** |
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* Sets this graphics context's current color to the specified |
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* color. All subsequent graphics operations using this graphics |
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* context use this specified color. |
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* @param c the new rendering color. |
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* @see java.awt.Color |
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* @see java.awt.Graphics#getColor |
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*/ |
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public void setColor(Color c) { |
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g.setColor(c); |
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} |
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/** |
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* Sets the paint mode of this graphics context to overwrite the |
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* destination with this graphics context's current color. |
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* This sets the logical pixel operation function to the paint or |
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* overwrite mode. All subsequent rendering operations will |
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* overwrite the destination with the current color. |
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*/ |
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public void setPaintMode() { |
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g.setPaintMode(); |
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} |
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/** |
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* Sets the paint mode of this graphics context to alternate between |
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* this graphics context's current color and the new specified color. |
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* This specifies that logical pixel operations are performed in the |
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* XOR mode, which alternates pixels between the current color and |
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* a specified XOR color. |
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* <p> |
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* When drawing operations are performed, pixels which are the |
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* current color are changed to the specified color, and vice versa. |
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* <p> |
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* Pixels that are of colors other than those two colors are changed |
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* in an unpredictable but reversible manner; if the same figure is |
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* drawn twice, then all pixels are restored to their original values. |
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* @param c1 the XOR alternation color |
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*/ |
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public void setXORMode(Color c1) { |
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g.setXORMode(c1); |
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} |
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/** |
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* Gets the current font. |
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* @return this graphics context's current font. |
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* @see java.awt.Font |
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* @see java.awt.Graphics#setFont |
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*/ |
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public Font getFont() { |
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return g.getFont(); |
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} |
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/** |
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* Sets this graphics context's font to the specified font. |
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* All subsequent text operations using this graphics context |
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* use this font. |
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* @param font the font. |
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* @see java.awt.Graphics#getFont |
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* @see java.awt.Graphics#drawString(java.lang.String, int, int) |
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* @see java.awt.Graphics#drawBytes(byte[], int, int, int, int) |
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* @see java.awt.Graphics#drawChars(char[], int, int, int, int) |
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*/ |
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public void setFont(Font font) { |
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g.setFont(font); |
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} |
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/** |
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* Gets the font metrics of the current font. |
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* @return the font metrics of this graphics |
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* context's current font. |
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* @see java.awt.Graphics#getFont |
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* @see java.awt.FontMetrics |
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* @see java.awt.Graphics#getFontMetrics(Font) |
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*/ |
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public FontMetrics getFontMetrics() { |
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return g.getFontMetrics(); |
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} |
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/** |
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* Gets the font metrics for the specified font. |
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* @return the font metrics for the specified font. |
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* @param f the specified font |
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* @see java.awt.Graphics#getFont |
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* @see java.awt.FontMetrics |
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* @see java.awt.Graphics#getFontMetrics() |
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*/ |
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public FontMetrics getFontMetrics(Font f) { |
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return g.getFontMetrics(f); |
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} |
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/** |
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* Returns the bounding rectangle of the current clipping area. |
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* This method refers to the user clip, which is independent of the |
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* clipping associated with device bounds and window visibility. |
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* If no clip has previously been set, or if the clip has been |
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* cleared using <code>setClip(null)</code>, this method returns |
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* <code>null</code>. |
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* The coordinates in the rectangle are relative to the coordinate |
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* system origin of this graphics context. |
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* @return the bounding rectangle of the current clipping area, |
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* or <code>null</code> if no clip is set. |
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* @see java.awt.Graphics#getClip |
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* @see java.awt.Graphics#clipRect |
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* @see java.awt.Graphics#setClip(int, int, int, int) |
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* @see java.awt.Graphics#setClip(Shape) |
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* @since JDK1.1 |
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*/ |
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public Rectangle getClipBounds() { |
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return g.getClipBounds(); |
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} |
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/** |
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* Intersects the current clip with the specified rectangle. |
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* The resulting clipping area is the intersection of the current |
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* clipping area and the specified rectangle. If there is no |
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* current clipping area, either because the clip has never been |
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* set, or the clip has been cleared using <code>setClip(null)</code>, |
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* the specified rectangle becomes the new clip. |
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* This method sets the user clip, which is independent of the |
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* clipping associated with device bounds and window visibility. |
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* This method can only be used to make the current clip smaller. |
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* To set the current clip larger, use any of the setClip methods. |
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* Rendering operations have no effect outside of the clipping area. |
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* @param x the x coordinate of the rectangle to intersect the clip with |
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* @param y the y coordinate of the rectangle to intersect the clip with |
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* @param width the width of the rectangle to intersect the clip with |
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* @param height the height of the rectangle to intersect the clip with |
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* @see #setClip(int, int, int, int) |
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* @see #setClip(Shape) |
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*/ |
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public void clipRect(int x, int y, int width, int height) { |
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g.clipRect(x, y, width, height); |
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} |
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/** |
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* Sets the current clip to the rectangle specified by the given |
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* coordinates. This method sets the user clip, which is |
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* independent of the clipping associated with device bounds |
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* and window visibility. |
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* Rendering operations have no effect outside of the clipping area. |
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* @param x the <i>x</i> coordinate of the new clip rectangle. |
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* @param y the <i>y</i> coordinate of the new clip rectangle. |
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* @param width the width of the new clip rectangle. |
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* @param height the height of the new clip rectangle. |
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* @see java.awt.Graphics#clipRect |
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* @see java.awt.Graphics#setClip(Shape) |
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* @since JDK1.1 |
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*/ |
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public void setClip(int x, int y, int width, int height) { |
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g.setClip(x, y, width, height); |
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} |
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/** |
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* Gets the current clipping area. |
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* This method returns the user clip, which is independent of the |
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* clipping associated with device bounds and window visibility. |
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* If no clip has previously been set, or if the clip has been |
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* cleared using <code>setClip(null)</code>, this method returns |
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* <code>null</code>. |
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* @return a <code>Shape</code> object representing the |
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* current clipping area, or <code>null</code> if |
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* no clip is set. |
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* @see java.awt.Graphics#getClipBounds |
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* @see java.awt.Graphics#clipRect |
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* @see java.awt.Graphics#setClip(int, int, int, int) |
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* @see java.awt.Graphics#setClip(Shape) |
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* @since JDK1.1 |
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*/ |
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public Shape getClip() { |
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return g.getClip(); |
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} |
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/** |
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* Sets the current clipping area to an arbitrary clip shape. |
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* Not all objects that implement the <code>Shape</code> |
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* interface can be used to set the clip. The only |
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* <code>Shape</code> objects that are guaranteed to be |
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* supported are <code>Shape</code> objects that are |
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* obtained via the <code>getClip</code> method and via |
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* <code>Rectangle</code> objects. This method sets the |
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* user clip, which is independent of the clipping associated |
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* with device bounds and window visibility. |
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* @param clip the <code>Shape</code> to use to set the clip |
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* @see java.awt.Graphics#getClip() |
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* @see java.awt.Graphics#clipRect |
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* @see java.awt.Graphics#setClip(int, int, int, int) |
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* @since JDK1.1 |
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*/ |
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public void setClip(Shape clip) { |
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g.setClip(clip); |
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} |
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/** |
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* Copies an area of the component by a distance specified by |
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* <code>dx</code> and <code>dy</code>. From the point specified |
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* by <code>x</code> and <code>y</code>, this method |
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* copies downwards and to the right. To copy an area of the |
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* component to the left or upwards, specify a negative value for |
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* <code>dx</code> or <code>dy</code>. |
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* If a portion of the source rectangle lies outside the bounds |
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* of the component, or is obscured by another window or component, |
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* <code>copyArea</code> will be unable to copy the associated |
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* pixels. The area that is omitted can be refreshed by calling |
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* the component's <code>paint</code> method. |
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* @param x the <i>x</i> coordinate of the source rectangle. |
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* @param y the <i>y</i> coordinate of the source rectangle. |
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* @param width the width of the source rectangle. |
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* @param height the height of the source rectangle. |
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* @param dx the horizontal distance to copy the pixels. |
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* @param dy the vertical distance to copy the pixels. |
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*/ |
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public void copyArea(int x, int y, int width, int height, |
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int dx, int dy) { |
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g.copyArea(x, y, width, height, dx, dy); |
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} |
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/** |
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* Draws a line, using the current color, between the points |
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* <code>(x1, y1)</code> and <code>(x2, y2)</code> |
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* in this graphics context's coordinate system. |
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* @param x1 the first point's <i>x</i> coordinate. |
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* @param y1 the first point's <i>y</i> coordinate. |
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* @param x2 the second point's <i>x</i> coordinate. |
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* @param y2 the second point's <i>y</i> coordinate. |
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*/ |
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public void drawLine(int x1, int y1, int x2, int y2) { |
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g.drawLine(x1, y1, x2, y2); |
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} |
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/** |
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* Fills the specified rectangle. |
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* The left and right edges of the rectangle are at |
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* <code>x</code> and <code>x + width - 1</code>. |
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* The top and bottom edges are at |
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* <code>y</code> and <code>y + height - 1</code>. |
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* The resulting rectangle covers an area |
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* <code>width</code> pixels wide by |
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* <code>height</code> pixels tall. |
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* The rectangle is filled using the graphics context's current color. |
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* @param x the <i>x</i> coordinate |
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* of the rectangle to be filled. |
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* @param y the <i>y</i> coordinate |
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* of the rectangle to be filled. |
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* @param width the width of the rectangle to be filled. |
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* @param height the height of the rectangle to be filled. |
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* @see java.awt.Graphics#clearRect |
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* @see java.awt.Graphics#drawRect |
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*/ |
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public void fillRect(int x, int y, int width, int height) { |
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g.fillRect(x, y, width, height); |
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} |
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/** |
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* Draws the outline of the specified rectangle. |
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* The left and right edges of the rectangle are at |
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* <code>x</code> and <code>x + width</code>. |
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* The top and bottom edges are at |
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* <code>y</code> and <code>y + height</code>. |
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* The rectangle is drawn using the graphics context's current color. |
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* @param x the <i>x</i> coordinate |
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* of the rectangle to be drawn. |
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* @param y the <i>y</i> coordinate |
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* of the rectangle to be drawn. |
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* @param width the width of the rectangle to be drawn. |
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* @param height the height of the rectangle to be drawn. |
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* @see java.awt.Graphics#fillRect |
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* @see java.awt.Graphics#clearRect |
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*/ |
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public void drawRect(int x, int y, int width, int height) { |
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g.drawRect(x, y, width, height); |
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} |
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/** |
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* Clears the specified rectangle by filling it with the background |
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* color of the current drawing surface. This operation does not |
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* use the current paint mode. |
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* <p> |
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* Beginning with Java 1.1, the background color |
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* of offscreen images may be system dependent. Applications should |
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* use <code>setColor</code> followed by <code>fillRect</code> to |
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* ensure that an offscreen image is cleared to a specific color. |
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* @param x the <i>x</i> coordinate of the rectangle to clear. |
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* @param y the <i>y</i> coordinate of the rectangle to clear. |
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* @param width the width of the rectangle to clear. |
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* @param height the height of the rectangle to clear. |
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* @see java.awt.Graphics#fillRect(int, int, int, int) |
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* @see java.awt.Graphics#drawRect |
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* @see java.awt.Graphics#setColor(java.awt.Color) |
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* @see java.awt.Graphics#setPaintMode |
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* @see java.awt.Graphics#setXORMode(java.awt.Color) |
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*/ |
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public void clearRect(int x, int y, int width, int height) { |
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g.clearRect(x, y, width, height); |
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} |
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/** |
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* Draws an outlined round-cornered rectangle using this graphics |
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* context's current color. The left and right edges of the rectangle |
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* are at <code>x</code> and <code>x + width</code>, |
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* respectively. The top and bottom edges of the rectangle are at |
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* <code>y</code> and <code>y + height</code>. |
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* @param x the <i>x</i> coordinate of the rectangle to be drawn. |
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* @param y the <i>y</i> coordinate of the rectangle to be drawn. |
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* @param width the width of the rectangle to be drawn. |
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* @param height the height of the rectangle to be drawn. |
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* @param arcWidth the horizontal diameter of the arc |
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* at the four corners. |
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* @param arcHeight the vertical diameter of the arc |
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* at the four corners. |
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* @see java.awt.Graphics#fillRoundRect |
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*/ |
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public void drawRoundRect(int x, int y, int width, int height, |
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int arcWidth, int arcHeight) { |
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g.drawRoundRect(x, y, width, height, arcWidth, arcHeight); |
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} |
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/** |
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* Fills the specified rounded corner rectangle with the current color. |
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* The left and right edges of the rectangle |
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* are at <code>x</code> and <code>x + width - 1</code>, |
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* respectively. The top and bottom edges of the rectangle are at |
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* <code>y</code> and <code>y + height - 1</code>. |
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* @param x the <i>x</i> coordinate of the rectangle to be filled. |
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* @param y the <i>y</i> coordinate of the rectangle to be filled. |
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* @param width the width of the rectangle to be filled. |
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* @param height the height of the rectangle to be filled. |
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* @param arcWidth the horizontal diameter |
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* of the arc at the four corners. |
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* @param arcHeight the vertical diameter |
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* of the arc at the four corners. |
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* @see java.awt.Graphics#drawRoundRect |
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*/ |
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public void fillRoundRect(int x, int y, int width, int height, |
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int arcWidth, int arcHeight) { |
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g.fillRoundRect(x, y, width, height, arcWidth, arcHeight); |
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} |
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/** |
|
* Draws a 3-D highlighted outline of the specified rectangle. |
|
* The edges of the rectangle are highlighted so that they |
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* appear to be beveled and lit from the upper left corner. |
|
* <p> |
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* The colors used for the highlighting effect are determined |
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* based on the current color. |
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* The resulting rectangle covers an area that is |
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* <code>width + 1</code> pixels wide |
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* by <code>height + 1</code> pixels tall. |
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* @param x the <i>x</i> coordinate of the rectangle to be drawn. |
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* @param y the <i>y</i> coordinate of the rectangle to be drawn. |
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* @param width the width of the rectangle to be drawn. |
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* @param height the height of the rectangle to be drawn. |
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* @param raised a boolean that determines whether the rectangle |
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* appears to be raised above the surface |
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* or sunk into the surface. |
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* @see java.awt.Graphics#fill3DRect |
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*/ |
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public void draw3DRect(int x, int y, int width, int height, |
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boolean raised) { |
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g.draw3DRect(x, y, width, height, raised); |
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} |
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/** |
|
* Paints a 3-D highlighted rectangle filled with the current color. |
|
* The edges of the rectangle will be highlighted so that it appears |
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* as if the edges were beveled and lit from the upper left corner. |
|
* The colors used for the highlighting effect will be determined from |
|
* the current color. |
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* @param x the <i>x</i> coordinate of the rectangle to be filled. |
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* @param y the <i>y</i> coordinate of the rectangle to be filled. |
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* @param width the width of the rectangle to be filled. |
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* @param height the height of the rectangle to be filled. |
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* @param raised a boolean value that determines whether the |
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* rectangle appears to be raised above the surface |
|
* or etched into the surface. |
|
* @see java.awt.Graphics#draw3DRect |
|
*/ |
|
public void fill3DRect(int x, int y, int width, int height, |
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boolean raised) { |
|
g.fill3DRect(x, y, width, height, raised); |
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} |
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/** |
|
* Draws the outline of an oval. |
|
* The result is a circle or ellipse that fits within the |
|
* rectangle specified by the <code>x</code>, <code>y</code>, |
|
* <code>width</code>, and <code>height</code> arguments. |
|
* <p> |
|
* The oval covers an area that is |
|
* <code>width + 1</code> pixels wide |
|
* and <code>height + 1</code> pixels tall. |
|
* @param x the <i>x</i> coordinate of the upper left |
|
* corner of the oval to be drawn. |
|
* @param y the <i>y</i> coordinate of the upper left |
|
* corner of the oval to be drawn. |
|
* @param width the width of the oval to be drawn. |
|
* @param height the height of the oval to be drawn. |
|
* @see java.awt.Graphics#fillOval |
|
*/ |
|
public void drawOval(int x, int y, int width, int height) { |
|
g.drawOval(x, y, width, height); |
|
} |
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/** |
|
* Fills an oval bounded by the specified rectangle with the |
|
* current color. |
|
* @param x the <i>x</i> coordinate of the upper left corner |
|
* of the oval to be filled. |
|
* @param y the <i>y</i> coordinate of the upper left corner |
|
* of the oval to be filled. |
|
* @param width the width of the oval to be filled. |
|
* @param height the height of the oval to be filled. |
|
* @see java.awt.Graphics#drawOval |
|
*/ |
|
public void fillOval(int x, int y, int width, int height) { |
|
g.fillOval(x, y, width, height); |
|
} |
|
/** |
|
* Draws the outline of a circular or elliptical arc |
|
* covering the specified rectangle. |
|
* <p> |
|
* The resulting arc begins at <code>startAngle</code> and extends |
|
* for <code>arcAngle</code> degrees, using the current color. |
|
* Angles are interpreted such that 0 degrees |
|
* is at the 3 o'clock position. |
|
* A positive value indicates a counter-clockwise rotation |
|
* while a negative value indicates a clockwise rotation. |
|
* <p> |
|
* The center of the arc is the center of the rectangle whose origin |
|
* is (<i>x</i>, <i>y</i>) and whose size is specified by the |
|
* <code>width</code> and <code>height</code> arguments. |
|
* <p> |
|
* The resulting arc covers an area |
|
* <code>width + 1</code> pixels wide |
|
* by <code>height + 1</code> pixels tall. |
|
* <p> |
|
* The angles are specified relative to the non-square extents of |
|
* the bounding rectangle such that 45 degrees always falls on the |
|
* line from the center of the ellipse to the upper right corner of |
|
* the bounding rectangle. As a result, if the bounding rectangle is |
|
* noticeably longer in one axis than the other, the angles to the |
|
* start and end of the arc segment will be skewed farther along the |
|
* longer axis of the bounds. |
|
* @param x the <i>x</i> coordinate of the |
|
* upper-left corner of the arc to be drawn. |
|
* @param y the <i>y</i> coordinate of the |
|
* upper-left corner of the arc to be drawn. |
|
* @param width the width of the arc to be drawn. |
|
* @param height the height of the arc to be drawn. |
|
* @param startAngle the beginning angle. |
|
* @param arcAngle the angular extent of the arc, |
|
* relative to the start angle. |
|
* @see java.awt.Graphics#fillArc |
|
*/ |
|
public void drawArc(int x, int y, int width, int height, |
|
int startAngle, int arcAngle) { |
|
g.drawArc(x, y, width, height, startAngle, arcAngle); |
|
} |
|
/** |
|
* Fills a circular or elliptical arc covering the specified rectangle. |
|
* <p> |
|
* The resulting arc begins at <code>startAngle</code> and extends |
|
* for <code>arcAngle</code> degrees. |
|
* Angles are interpreted such that 0 degrees |
|
* is at the 3 o'clock position. |
|
* A positive value indicates a counter-clockwise rotation |
|
* while a negative value indicates a clockwise rotation. |
|
* <p> |
|
* The center of the arc is the center of the rectangle whose origin |
|
* is (<i>x</i>, <i>y</i>) and whose size is specified by the |
|
* <code>width</code> and <code>height</code> arguments. |
|
* <p> |
|
* The resulting arc covers an area |
|
* <code>width + 1</code> pixels wide |
|
* by <code>height + 1</code> pixels tall. |
|
* <p> |
|
* The angles are specified relative to the non-square extents of |
|
* the bounding rectangle such that 45 degrees always falls on the |
|
* line from the center of the ellipse to the upper right corner of |
|
* the bounding rectangle. As a result, if the bounding rectangle is |
|
* noticeably longer in one axis than the other, the angles to the |
|
* start and end of the arc segment will be skewed farther along the |
|
* longer axis of the bounds. |
|
* @param x the <i>x</i> coordinate of the |
|
* upper-left corner of the arc to be filled. |
|
* @param y the <i>y</i> coordinate of the |
|
* upper-left corner of the arc to be filled. |
|
* @param width the width of the arc to be filled. |
|
* @param height the height of the arc to be filled. |
|
* @param startAngle the beginning angle. |
|
* @param arcAngle the angular extent of the arc, |
|
* relative to the start angle. |
|
* @see java.awt.Graphics#drawArc |
|
*/ |
|
public void fillArc(int x, int y, int width, int height, |
|
int startAngle, int arcAngle) { |
|
g.fillArc(x, y, width, height, startAngle, arcAngle); |
|
} |
|
/** |
|
* Draws a sequence of connected lines defined by |
|
* arrays of <i>x</i> and <i>y</i> coordinates. |
|
* Each pair of (<i>x</i>, <i>y</i>) coordinates defines a point. |
|
* The figure is not closed if the first point |
|
* differs from the last point. |
|
* @param xPoints an array of <i>x</i> points |
|
* @param yPoints an array of <i>y</i> points |
|
* @param nPoints the total number of points |
|
* @see java.awt.Graphics#drawPolygon(int[], int[], int) |
|
* @since JDK1.1 |
|
*/ |
|
public void drawPolyline(int xPoints[], int yPoints[], |
|
int nPoints) { |
|
g.drawPolyline(xPoints, yPoints, nPoints); |
|
} |
|
/** |
|
* Draws a closed polygon defined by |
|
* arrays of <i>x</i> and <i>y</i> coordinates. |
|
* Each pair of (<i>x</i>, <i>y</i>) coordinates defines a point. |
|
* <p> |
|
* This method draws the polygon defined by <code>nPoint</code> line |
|
* segments, where the first <code>nPoint - 1</code> |
|
* line segments are line segments from |
|
* <code>(xPoints[i - 1], yPoints[i - 1])</code> |
|
* to <code>(xPoints[i], yPoints[i])</code>, for |
|
* 1 ≤ <i>i</i> ≤ <code>nPoints</code>. |
|
* The figure is automatically closed by drawing a line connecting |
|
* the final point to the first point, if those points are different. |
|
* @param xPoints a an array of <code>x</code> coordinates. |
|
* @param yPoints a an array of <code>y</code> coordinates. |
|
* @param nPoints a the total number of points. |
|
* @see java.awt.Graphics#fillPolygon |
|
* @see java.awt.Graphics#drawPolyline |
|
*/ |
|
public void drawPolygon(int xPoints[], int yPoints[], |
|
int nPoints) { |
|
g.drawPolygon(xPoints, yPoints, nPoints); |
|
} |
|
/** |
|
* Draws the outline of a polygon defined by the specified |
|
* <code>Polygon</code> object. |
|
* @param p the polygon to draw. |
|
* @see java.awt.Graphics#fillPolygon |
|
* @see java.awt.Graphics#drawPolyline |
|
*/ |
|
public void drawPolygon(Polygon p) { |
|
g.drawPolygon(p); |
|
} |
|
/** |
|
* Fills a closed polygon defined by |
|
* arrays of <i>x</i> and <i>y</i> coordinates. |
|
* <p> |
|
* This method draws the polygon defined by <code>nPoint</code> line |
|
* segments, where the first <code>nPoint - 1</code> |
|
* line segments are line segments from |
|
* <code>(xPoints[i - 1], yPoints[i - 1])</code> |
|
* to <code>(xPoints[i], yPoints[i])</code>, for |
|
* 1 ≤ <i>i</i> ≤ <code>nPoints</code>. |
|
* The figure is automatically closed by drawing a line connecting |
|
* the final point to the first point, if those points are different. |
|
* <p> |
|
* The area inside the polygon is defined using an |
|
* even-odd fill rule, also known as the alternating rule. |
|
* @param xPoints a an array of <code>x</code> coordinates. |
|
* @param yPoints a an array of <code>y</code> coordinates. |
|
* @param nPoints a the total number of points. |
|
* @see java.awt.Graphics#drawPolygon(int[], int[], int) |
|
*/ |
|
public void fillPolygon(int xPoints[], int yPoints[], |
|
int nPoints) { |
|
g.fillPolygon(xPoints, yPoints, nPoints); |
|
} |
|
/** |
|
* Fills the polygon defined by the specified Polygon object with |
|
* the graphics context's current color. |
|
* <p> |
|
* The area inside the polygon is defined using an |
|
* even-odd fill rule, also known as the alternating rule. |
|
* @param p the polygon to fill. |
|
* @see java.awt.Graphics#drawPolygon(int[], int[], int) |
|
*/ |
|
public void fillPolygon(Polygon p) { |
|
g.fillPolygon(p); |
|
} |
|
/** |
|
* Draws the text given by the specified string, using this |
|
* graphics context's current font and color. The baseline of the |
|
* leftmost character is at position (<i>x</i>, <i>y</i>) in this |
|
* graphics context's coordinate system. |
|
* @param str the string to be drawn. |
|
* @param x the <i>x</i> coordinate. |
|
* @param y the <i>y</i> coordinate. |
|
* @see java.awt.Graphics#drawBytes |
|
* @see java.awt.Graphics#drawChars |
|
*/ |
|
public void drawString(String str, int x, int y) { |
|
g.drawString(str, x, y); |
|
} |
|
/** |
|
* Draws the text given by the specified iterator, using this |
|
* graphics context's current color. The iterator has to specify a font |
|
* for each character. The baseline of the |
|
* leftmost character is at position (<i>x</i>, <i>y</i>) in this |
|
* graphics context's coordinate system. |
|
* @param iterator the iterator whose text is to be drawn |
|
* @param x the <i>x</i> coordinate. |
|
* @param y the <i>y</i> coordinate. |
|
* @see java.awt.Graphics#drawBytes |
|
* @see java.awt.Graphics#drawChars |
|
*/ |
|
public void drawString(AttributedCharacterIterator iterator, |
|
int x, int y) { |
|
g.drawString(iterator, x, y); |
|
} |
|
/** |
|
* Draws the text given by the specified character array, using this |
|
* graphics context's current font and color. The baseline of the |
|
* first character is at position (<i>x</i>, <i>y</i>) in this |
|
* graphics context's coordinate system. |
|
* @param data the array of characters to be drawn |
|
* @param offset the start offset in the data |
|
* @param length the number of characters to be drawn |
|
* @param x the <i>x</i> coordinate of the baseline of the text |
|
* @param y the <i>y</i> coordinate of the baseline of the text |
|
* @see java.awt.Graphics#drawBytes |
|
* @see java.awt.Graphics#drawString |
|
*/ |
|
public void drawChars(char data[], int offset, int length, int x, int y) { |
|
g.drawChars(data, offset, length, x, y); |
|
} |
|
/** |
|
* Draws the text given by the specified byte array, using this |
|
* graphics context's current font and color. The baseline of the |
|
* first character is at position (<i>x</i>, <i>y</i>) in this |
|
* graphics context's coordinate system. |
|
* @param data the data to be drawn |
|
* @param offset the start offset in the data |
|
* @param length the number of bytes that are drawn |
|
* @param x the <i>x</i> coordinate of the baseline of the text |
|
* @param y the <i>y</i> coordinate of the baseline of the text |
|
* @see java.awt.Graphics#drawChars |
|
* @see java.awt.Graphics#drawString |
|
*/ |
|
public void drawBytes(byte data[], int offset, int length, int x, int y) { |
|
g.drawBytes(data, offset, length, x, y); |
|
} |
|
/** |
|
* 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) { |
|
return g.drawImage(img, x, y, observer); |
|
} |
|
/** |
|
* 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) { |
|
return g.drawImage(img, x, y, width, height, observer); |
|
} |
|
/** |
|
* 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 are drawn in the specified |
|
* background color. |
|
* <p> |
|
* This operation is equivalent to filling a rectangle of the |
|
* width and height of the specified image with the given color and then |
|
* drawing the image on top of it, but possibly more efficient. |
|
* <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 bgcolor the background color to paint under the |
|
* non-opaque portions of the image. |
|
* @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, |
|
Color bgcolor, |
|
ImageObserver observer) { |
|
return g.drawImage(img, x, y, bgcolor, observer); |
|
} |
|
/** |
|
* 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 are drawn in the specified |
|
* background color. |
|
* This operation is equivalent to filling a rectangle of the |
|
* width and height of the specified image with the given color and then |
|
* drawing the image on top of it, but possibly more efficient. |
|
* <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 specified image observer. |
|
* <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 bgcolor the background color to paint under the |
|
* non-opaque portions of the image. |
|
* @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, |
|
Color bgcolor, |
|
ImageObserver observer) { |
|
return g.drawImage(img, x, y, width, height, bgcolor, observer); |
|
} |
|
/** |
|
* Draws as much of the specified area of the specified image as is |
|
* currently available, scaling it on the fly to fit inside the |
|
* specified area of the destination drawable surface. Transparent pixels |
|
* do not affect whatever pixels are already there. |
|
* <p> |
|
* This method returns immediately in all cases, even if the |
|
* image area to be drawn 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 specified image observer. |
|
* <p> |
|
* This method always uses the unscaled version of the image |
|
* to render the scaled rectangle and performs the required |
|
* scaling on the fly. It does not use a cached, scaled version |
|
* of the image for this operation. Scaling of the image from source |
|
* to destination is performed such that the first coordinate |
|
* of the source rectangle is mapped to the first coordinate of |
|
* the destination rectangle, and the second source coordinate is |
|
* mapped to the second destination coordinate. The subimage is |
|
* scaled and flipped as needed to preserve those mappings. |
|
* @param img the specified image to be drawn |
|
* @param dx1 the <i>x</i> coordinate of the first corner of the |
|
* destination rectangle. |
|
* @param dy1 the <i>y</i> coordinate of the first corner of the |
|
* destination rectangle. |
|
* @param dx2 the <i>x</i> coordinate of the second corner of the |
|
* destination rectangle. |
|
* @param dy2 the <i>y</i> coordinate of the second corner of the |
|
* destination rectangle. |
|
* @param sx1 the <i>x</i> coordinate of the first corner of the |
|
* source rectangle. |
|
* @param sy1 the <i>y</i> coordinate of the first corner of the |
|
* source rectangle. |
|
* @param sx2 the <i>x</i> coordinate of the second corner of the |
|
* source rectangle. |
|
* @param sy2 the <i>y</i> coordinate of the second corner of the |
|
* source rectangle. |
|
* @param observer object to be notified as more of the image is |
|
* scaled and converted. |
|
* @see java.awt.Image |
|
* @see java.awt.image.ImageObserver |
|
* @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) |
|
* @since JDK1.1 |
|
*/ |
|
public boolean drawImage(Image img, |
|
int dx1, int dy1, int dx2, int dy2, |
|
int sx1, int sy1, int sx2, int sy2, |
|
ImageObserver observer) { |
|
return g.drawImage(img, dx1, dy1, dx2, dy2, |
|
sx1, sy1, sx2, sy2, |
|
observer); |
|
} |
|
/** |
|
* Draws as much of the specified area of the specified image as is |
|
* currently available, scaling it on the fly to fit inside the |
|
* specified area of the destination drawable surface. |
|
* <p> |
|
* Transparent pixels are drawn in the specified background color. |
|
* This operation is equivalent to filling a rectangle of the |
|
* width and height of the specified image with the given color and then |
|
* drawing the image on top of it, but possibly more efficient. |
|
* <p> |
|
* This method returns immediately in all cases, even if the |
|
* image area to be drawn 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 specified image observer. |
|
* <p> |
|
* This method always uses the unscaled version of the image |
|
* to render the scaled rectangle and performs the required |
|
* scaling on the fly. It does not use a cached, scaled version |
|
* of the image for this operation. Scaling of the image from source |
|
* to destination is performed such that the first coordinate |
|
* of the source rectangle is mapped to the first coordinate of |
|
* the destination rectangle, and the second source coordinate is |
|
* mapped to the second destination coordinate. The subimage is |
|
* scaled and flipped as needed to preserve those mappings. |
|
* @param img the specified image to be drawn |
|
* @param dx1 the <i>x</i> coordinate of the first corner of the |
|
* destination rectangle. |
|
* @param dy1 the <i>y</i> coordinate of the first corner of the |
|
* destination rectangle. |
|
* @param dx2 the <i>x</i> coordinate of the second corner of the |
|
* destination rectangle. |
|
* @param dy2 the <i>y</i> coordinate of the second corner of the |
|
* destination rectangle. |
|
* @param sx1 the <i>x</i> coordinate of the first corner of the |
|
* source rectangle. |
|
* @param sy1 the <i>y</i> coordinate of the first corner of the |
|
* source rectangle. |
|
* @param sx2 the <i>x</i> coordinate of the second corner of the |
|
* source rectangle. |
|
* @param sy2 the <i>y</i> coordinate of the second corner of the |
|
* source rectangle. |
|
* @param bgcolor the background color to paint under the |
|
* non-opaque portions of the image. |
|
* @param observer object to be notified as more of the image is |
|
* scaled and converted. |
|
* @see java.awt.Image |
|
* @see java.awt.image.ImageObserver |
|
* @see java.awt.image.ImageObserver#imageUpdate(java.awt.Image, int, int, int, int, int) |
|
* @since JDK1.1 |
|
*/ |
|
public boolean drawImage(Image img, |
|
int dx1, int dy1, int dx2, int dy2, |
|
int sx1, int sy1, int sx2, int sy2, |
|
Color bgcolor, |
|
ImageObserver observer) { |
|
return g.drawImage(img, dx1, dy1, dx2, dy2, |
|
sx1, sy1, sx2, sy2, |
|
bgcolor, |
|
observer); |
|
} |
|
/** |
|
* 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() { |
|
g.dispose(); |
|
} |
|
/** |
|
* Empty finalizer as no clean up needed here. |
|
*/ |
|
public void finalize() { |
|
} |
|
/** |
|
* Returns a <code>String</code> object representing this |
|
* <code>Graphics</code> object's value. |
|
* @return a string representation of this graphics context. |
|
*/ |
|
public String toString() { |
|
return getClass().getName() + "[font=" + getFont() + ",color=" + getColor() + "]"; |
|
} |
|
/** |
|
* @deprecated As of JDK version 1.1, |
|
* replaced by <code>getClipBounds()</code>. |
|
*/ |
|
@Deprecated |
|
public Rectangle getClipRect() { |
|
return g.getClipRect(); |
|
} |
|
/** |
|
* Returns true if the specified rectangular area intersects |
|
* the bounding rectangle of the current clipping area. |
|
* The coordinates in the rectangle are relative to the coordinate |
|
* system origin of this graphics context. |
|
* |
|
* @param x the x coordinate of the rectangle to test against the clip |
|
* @param y the y coordinate of the rectangle to test against the clip |
|
* @param width the width of the rectangle to test against the clip |
|
* @param height the height of the rectangle to test against the clip |
|
*/ |
|
public boolean hitClip(int x, int y, int width, int height) { |
|
return g.hitClip(x, y, width, height); |
|
} |
|
/** |
|
* Returns the bounding rectangle of the current clipping area. |
|
* The coordinates in the rectangle are relative to the coordinate |
|
* system origin of this graphics context. This method differs |
|
* from {@link #getClipBounds() getClipBounds} in that an existing |
|
* rectangle is used instead of allocating a new one. |
|
* This method refers to the user clip, which is independent of the |
|
* clipping associated with device bounds and window visibility. |
|
* If no clip has previously been set, or if the clip has been |
|
* cleared using <code>setClip(null)</code>, this method returns the |
|
* specified <code>Rectangle</code>. |
|
* @param r the rectangle where the current clipping area is |
|
* copied to. Any current values in this rectangle are |
|
* overwritten. |
|
* @return the bounding rectangle of the current clipping area. |
|
*/ |
|
public Rectangle getClipBounds(Rectangle r) { |
|
return g.getClipBounds(r); |
|
} |
|
} |