| /* 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; |
| } |
| } |