diff options
Diffstat (limited to 'libjava/java/awt/Graphics.java')
| -rw-r--r-- | libjava/java/awt/Graphics.java | 216 |
1 files changed, 211 insertions, 5 deletions
diff --git a/libjava/java/awt/Graphics.java b/libjava/java/awt/Graphics.java index 8b11f81..56c732f 100644 --- a/libjava/java/awt/Graphics.java +++ b/libjava/java/awt/Graphics.java @@ -8,6 +8,8 @@ details. */ package java.awt; +import java.awt.image.ImageObserver; + /** * @author Warren Levy <warrenl@cygnus.com> * @date March 15, 2000. @@ -16,14 +18,218 @@ package java.awt; /** * Written using on-line Java Platform 1.2 API Specification, as well * as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998). - * Status: Stubbed; A very incomplete placeholder. + * Status: Almost complete */ -public abstract class Graphics extends Object +public abstract class Graphics { - protected 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() { - super(); // ??? - throw new Error ("java.awt.Graphics: not implemented"); + 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; } } |