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134 lines
3.5 KiB
Java
134 lines
3.5 KiB
Java
/* Copyright (C) 2000, 2001 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 gnu.awt.j2d;
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import java.awt.Color;
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import java.awt.Image;
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import java.awt.Shape;
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import java.awt.Rectangle;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.GraphicsConfiguration;
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import java.awt.Font;
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import java.awt.FontMetrics;
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import java.awt.image.ImageObserver;
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/**
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* Base class for graphics state objects (State pattern, GOF book)
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* that represents the current pipeline configuration. The Graphics2D
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* object forwards most of the requests to the state object. The
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* Graphics2D object itself only administers properties that are not
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* specific for a certain state.
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*/
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public abstract class AbstractGraphicsState implements Cloneable
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{
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Graphics2DImpl frontend;
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public void setFrontend(Graphics2DImpl frontend)
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{
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this.frontend = frontend;
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}
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public void dispose()
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{
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frontend = null;
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}
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// -------- Graphics methods:
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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 void setFont(Font font);
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public abstract FontMetrics getFontMetrics(Font font);
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public abstract void setClip(Shape clip);
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public abstract Shape getClip();
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public abstract Rectangle getClipBounds();
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public abstract void copyArea(int x, int y,
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int width, int height,
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int dx, int dy);
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public abstract void drawLine(int x1, int y1,
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int x2, int y2);
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public abstract void fillRect(int x, int y,
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int width, int height);
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public abstract void clearRect(int x, int y,
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int width, int height);
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public abstract void drawRoundRect(int x, int y,
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int width, int height,
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int arcWidth, int arcHeight);
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public abstract void fillRoundRect(int x, int y,
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int width, int height,
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int arcWidth, int arcHeight);
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public abstract void drawOval(int x, int y,
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int width, int height);
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public abstract void fillOval(int x, int y,
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int width, int height);
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public abstract void drawArc(int x, int y,
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int width, int height,
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int startAngle, int arcAngle);
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public abstract void fillArc(int x, int y,
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int width, int height,
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int startAngle, int arcAngle);
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public abstract void drawPolyline(int[] xPoints, int[] yPoints,int nPoints);
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public abstract void drawPolygon(int[] xPoints, int[] yPoints, int nPoints);
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public abstract void fillPolygon(int[] xPoints, int[] yPoints, int nPoints);
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public abstract boolean drawImage(Image image, int x, int y,
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ImageObserver observer);
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// -------- Graphics2D methods:
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public abstract void draw(Shape shape);
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public abstract void fill(Shape shape);
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public abstract boolean hit(Rectangle rect, Shape text, boolean onStroke);
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public abstract void drawString(String text, int x, int y);
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public abstract void drawString(String text, float x, float y);
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public abstract void translate(int x, int y);
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public abstract void translate(double tx, double ty);
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public abstract void rotate(double theta);
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public abstract void rotate(double theta, double x, double y);
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public abstract void scale(double scaleX, double scaleY);
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public abstract void shear(double shearX, double shearY);
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public Object clone ()
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{
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return super.clone ();
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}
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}
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