236 lines
5.6 KiB
Java
236 lines
5.6 KiB
Java
/* Copyright (C) 2000 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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package java.awt;
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import java.awt.image.ImageObserver;
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/**
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* @author Warren Levy <warrenl@cygnus.com>
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* @date March 15, 2000.
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*/
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/**
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* Written using on-line Java Platform 1.2 API Specification, as well
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* as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
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* Status: Almost complete
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*/
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public abstract class Graphics
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{
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protected Graphics() {}
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public abstract Graphics create();
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public Graphics create(int x, int y, int width, int height)
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{
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Graphics gfx = create();
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gfx.translate(x, y);
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gfx.setClip(0, y, width, height);
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return gfx;
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}
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public abstract void translate(int x, int y);
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public abstract Color getColor();
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public abstract void setColor(Color color);
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public abstract void setPaintMode();
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public abstract void setXORMode(Color altColor);
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public abstract Font getFont();
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public abstract void setFont(Font font);
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public FontMetrics getFontMetrics()
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{
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return getFontMetrics(getFont());
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}
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public abstract FontMetrics getFontMetrics(Font font);
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public abstract Rectangle getClipBounds();
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public abstract void clipRect(int x, int y, int width, int height);
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public abstract void setClip(int x, int y, int width, int height);
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public abstract Shape getClip();
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public abstract void setClip(Shape clip);
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public abstract void copyArea(int x, int y, int width, int height,
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int dx, int dy);
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public abstract void drawLine(int x1, int y1, int x2, int y2);
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public abstract void fillRect(int x, int y, int width, int height);
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public void drawRect(int x, int y, int width, int height)
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{
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int x1 = x;
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int y1 = y;
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int x2 = x + width;
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int y2 = y + height;
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drawLine(x1, y1, x2, y1);
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drawLine(x2, y1, x2, y2);
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drawLine(x2, y2, x1, y2);
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drawLine(x1, y2, x1, y1);
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}
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public abstract void clearRect(int x, int y, int width, int height);
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public abstract void drawRoundRect(int x, int y, int width, int height,
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int arcWidth, int arcHeight);
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public abstract void fillRoundRect(int x, int y, int width, int height,
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int arcWidth, int arcHeight);
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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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{
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Color color = getColor();
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Color tl = color.brighter();
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Color br = color.darker();
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if (!raised)
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{
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Color tmp = tl;
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tl = br;
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br = tmp;
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}
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int x1 = x;
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int y1 = y;
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int x2 = x + width;
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int y2 = y + height;
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setColor(tl);
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drawLine(x1, y1, x2, y1);
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drawLine(x1, y2, x1, y1);
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setColor(br);
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drawLine(x2, y1, x2, y2);
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drawLine(x2, y1, x1, y2);
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setColor(color);
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}
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public void fill3DRect(int x, int y, int width, int height,
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boolean raised)
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{
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fillRect(x, y, width, height);
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draw3DRect(x, y, width-1, height-1, raised);
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}
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public abstract void drawOval(int x, int y, int width, int height);
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public abstract void fillOval(int x, int y, int width, int height);
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public abstract void drawArc(int x, int y, int width, int height,
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int startAngle, int arcAngle);
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public abstract void fillArc(int x, int y, int width, int height,
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int startAngle, int arcAngle);
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public abstract void drawPolyline(int[] xPoints, int[] yPoints,
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int nPoints);
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public abstract void drawPolygon(int[] xPoints, int[] yPoints,
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int nPoints);
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//public void drawPolygon(Polygon p);
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public abstract void fillPolygon(int[] xPoints, int[] yPoints,
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int nPoints);
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//public void fillPolygon(Polygon p);
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public abstract void drawString(String str, int x, int y);
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/*
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public abstract void drawString(AttributedCharacterIterator iterator,
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int x, int y)
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*/
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public void drawChars(char[] data, int offset, int length,
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int x, int y)
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{
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String str = new String(data, offset, length);
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drawString(str, x, y);
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}
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public void drawBytes(byte[] data, int offset, int length,
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int x, int y)
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{
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String str = new String(data, offset, length);
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drawString(str, x, y);
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}
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public abstract boolean drawImage(Image img, int x, int y,
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ImageObserver observer);
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public abstract boolean drawImage(Image img, int x, int y,
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int width, int height,
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ImageObserver observer);
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public abstract boolean drawImage(Image img, int x, int y, Color bgcolor,
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ImageObserver observer);
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public abstract boolean drawImage(Image img, int x, int y,
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int width, int height, Color bgcolor,
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ImageObserver observer);
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public abstract boolean drawImage(Image img,
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int dx1, int dy1, int dx2, int dy2,
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int sx1, int sy1, int sx2, int sy2,
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ImageObserver observer);
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public abstract boolean drawImage(Image img,
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int dx1, int dy1, int dx2, int dy2,
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int sx1, int sy1, int sx2, int sy2,
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Color bgcolor, ImageObserver observer);
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public abstract void dispose();
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public void finalize()
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{
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dispose();
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}
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public String toString()
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{
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return super.toString(); // FIXME
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}
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/** @deprecated */
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public Rectangle getClipRect()
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{
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return getClipBounds(null);
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}
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public boolean hitClip(int x, int y, int width, int height)
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{
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throw new UnsupportedOperationException("not implemented yet");
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}
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public Rectangle getClipBounds(Rectangle r)
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{
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Rectangle clipBounds = getClipBounds();
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if (r == null)
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return clipBounds;
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r.x = clipBounds.x;
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r.y = clipBounds.y;
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r.width = clipBounds.width;
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r.height = clipBounds.height;
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return r;
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}
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}
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