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