import java.text.AttributedCharacterIterator;
/**
- * This is the abstract superclass of classes for drawing to graphics
- * devices such as the screen or printers.
- *
- * @author Aaron M. Renn (arenn@urbanophile.com)
- * @author Warren Levy (warrenl@cygnus.com)
- */
-public abstract class Graphics
-{
-
-/*
- * Instance Variables
- */
-
-/*************************************************************************/
-
-/*
- * Constructors
- */
-
-/**
- * Default constructor for subclasses.
- */
-protected
-Graphics()
-{
-}
-
-/*************************************************************************/
-
-/*
- * Instance Methods
+ * This is the abstract superclass of classes for drawing to graphics
+ * devices such as the screen or printers.
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ * @author Warren Levy (warrenl@cygnus.com)
*/
-
-/**
- * Returns a copy of this <code>Graphics</code> object.
- *
- * @return A copy of this object.
- */
-public abstract Graphics
-create();
-
-/*************************************************************************/
-
-/**
- * Returns a copy of this <code>Graphics</code> object. The origin point
- * will be translated to the point (x, y) and the cliping rectangle set
- * to the intersection of the clipping rectangle in this object and the
- * rectangle specified by the parameters to this method.
- *
- * @param x The new X coordinate of the clipping region rect.
- * @param y The new Y coordinate of the clipping region rect.
- * @param width The width of the clipping region intersect rectangle.
- * @param height The height of the clipping region intersect rectangle.
- *
- * @return A copy of this object, modified as specified.
- */
-public Graphics
-create(int x, int y, int width, int height)
+public abstract class Graphics
{
- Graphics g = create();
-
- g.translate(x, y);
- // FIXME: I'm not sure if this will work. Are the old clip rect bounds
- // translated above?
- g.clipRect(0, 0, width, height);
- return(g);
-}
-
-/*************************************************************************/
-
-/**
- * Translates this context so that its new origin point is the point
- * (x, y).
- *
- * @param x The new X coordinate of the origin.
- * @param y The new Y coordinate of the origin.
- */
-public abstract void
-translate(int x, int y);
-
-/*************************************************************************/
-
-/**
- * Returns the current color for this object.
- *
- * @return The color for this object.
- */
-public abstract Color
-getColor();
-
-/*************************************************************************/
-
-/**
- * Sets the current color for this object.
- *
- * @param color The new color.
- */
-public abstract void
-setColor(Color color);
-
-/*************************************************************************/
-
-/**
- * Sets this context into "paint" mode, where the target pixels are
- * completely overwritten when drawn on.
- */
-public abstract void
-setPaintMode();
-
-/*************************************************************************/
-
-/**
- * Sets this context info "XOR" mode, where the targe pixles are
- * XOR-ed when drawn on.
- *
- * @param color The color to XOR against.
- */
-public abstract void
-setXORMode(Color color);
+ /**
+ * Default constructor for subclasses.
+ */
+ protected
+ Graphics()
+ {
+ }
+
+ /**
+ * Returns a copy of this <code>Graphics</code> object.
+ *
+ * @return A copy of this object.
+ */
+ public abstract Graphics create();
+
+ /**
+ * Returns a copy of this <code>Graphics</code> object. The origin point
+ * will be translated to the point (x, y) and the cliping rectangle set
+ * to the intersection of the clipping rectangle in this object and the
+ * rectangle specified by the parameters to this method.
+ *
+ * @param x The new X coordinate of the clipping region rect.
+ * @param y The new Y coordinate of the clipping region rect.
+ * @param width The width of the clipping region intersect rectangle.
+ * @param height The height of the clipping region intersect rectangle.
+ *
+ * @return A copy of this object, modified as specified.
+ */
+ public Graphics create(int x, int y, int width, int height)
+ {
+ Graphics g = create();
+
+ g.translate(x, y);
+ // FIXME: I'm not sure if this will work. Are the old clip rect bounds
+ // translated above?
+ g.clipRect(0, 0, width, height);
+
+ return(g);
+ }
+
+ /**
+ * Translates this context so that its new origin point is the point
+ * (x, y).
+ *
+ * @param x The new X coordinate of the origin.
+ * @param y The new Y coordinate of the origin.
+ */
+ public abstract void translate(int x, int y);
+
+ /**
+ * Returns the current color for this object.
+ *
+ * @return The color for this object.
+ */
+ public abstract Color getColor();
+
+ /**
+ * Sets the current color for this object.
+ *
+ * @param color The new color.
+ */
+ public abstract void setColor(Color color);
+
+ /**
+ * Sets this context into "paint" mode, where the target pixels are
+ * completely overwritten when drawn on.
+ */
+ public abstract void setPaintMode();
+
+ /**
+ * Sets this context info "XOR" mode, where the targe pixles are
+ * XOR-ed when drawn on.
+ *
+ * @param color The color to XOR against.
+ */
+ public abstract void setXORMode(Color color);
-/*************************************************************************/
-
-/**
- * Returns the current font for this graphics context.
- *
- * @return The current font.
- */
-public abstract Font
-getFont();
-
-/*************************************************************************/
-
-/**
- * Sets the font for this graphics context to the specified value.
- *
- * @param font The new font.
- */
-public abstract void
-setFont(Font font);
-
-/*************************************************************************/
-
-/**
- * Returns the font metrics for the current font.
- *
- * @return The font metrics for the current font.
- */
-public FontMetrics
-getFontMetrics()
-{
- return(getFontMetrics(getFont()));
-}
-
-/*************************************************************************/
-
-/**
- * Returns the font metrics for the specified font.
- *
- * @param font The font to return metrics for.
- *
- * @return The requested font metrics.
- */
-public abstract FontMetrics
-getFontMetrics(Font font);
-
-/*************************************************************************/
-
-/**
- * Returns the bounding rectangle of the clipping region for this
- * graphics context.
- *
- * @return The bounding rectangle for the clipping region.
- */
-public abstract Rectangle
-getClipBounds();
-
-/*************************************************************************/
-
-/**
- * Returns the bounding rectangle of the clipping region for this
- * graphics context.
- *
- * @return The bounding rectangle for the clipping region.
- *
- * @deprecated This method is deprecated in favor of
- * <code>getClipBounds()</code>.
- */
-public Rectangle
-getClipRect()
-{
- return(getClipBounds());
-}
-
-/*************************************************************************/
-
-/**
- * Sets the clipping region to the intersection of the current clipping
- * region and the rectangle determined by the specified parameters.
- *
- * @param x The X coordinate of the upper left corner of the intersect rect.
- * @param y The Y coordinate of the upper left corner of the intersect rect.
- * @param width The width of the intersect rect.
- * @param height The height of the intersect rect.
- */
-public abstract void
-clipRect(int x, int y, int width, int height);
-
-/*************************************************************************/
-
-/**
- * Sets the clipping region to the rectangle determined by the specified
- * parameters.
- *
- * @param x The X coordinate of the upper left corner of the rect.
- * @param y The Y coordinate of the upper left corner of the rect.
- * @param width The width of the rect.
- * @param height The height of the rect.
- */
-public abstract void
-setClip(int x, int y, int width, int height);
-
-/*************************************************************************/
-
-/**
- * Returns the current clipping region as a <code>Shape</code> object.
- *
- * @return The clipping region as a <code>Shape</code>.
- */
-public abstract Shape
-getClip();
-
-/*************************************************************************/
-
-/**
- * Sets the clipping region to the specified <code>Shape</code>.
- *
- * @param clip The new clipping region.
- */
-public abstract void
-setClip(Shape clip);
-
-/*************************************************************************/
-
-/**
- * Copies the specified rectangle to the specified offset location.
- *
- * @param x The X coordinate of the upper left corner of the copy rect.
- * @param y The Y coordinate of the upper left corner of the copy rect.
- * @param width The width of the copy rect.
- * @param height The height of the copy rect.
- * @param dx The offset from the X value to start drawing.
- * @param dy The offset from the Y value to start drawing.
- */
-public abstract void
-copyArea(int x, int y, int width, int height, int dx, int dy);
-
-/*************************************************************************/
-
-/**
- * Draws a line between the two specified points.
- *
- * @param x1 The X coordinate of the first point.
- * @param y1 The Y coordinate of the first point.
- * @param x2 The X coordinate of the second point.
- * @param y2 The Y coordinate of the second point.
- */
-public abstract void
-drawLine(int x1, int y1, int x2, int y2);
-
-/*************************************************************************/
-
-/**
- * Fills the area bounded by the specified rectangle.
- *
- * @param x The X coordinate of the upper left corner of the fill rect.
- * @param y The Y coordinate of the upper left corner of the fill rect.
- * @param width The width of the fill rect.
- * @param height The height of the fill rect.
- */
-public abstract void
-fillRect(int x, int y, int width, int height);
-
-/*************************************************************************/
-
-/**
- * Draws the outline of the specified rectangle.
- *
- * @param x The X coordinate of the upper left corner of the draw rect.
- * @param y The Y coordinate of the upper left corner of the draw rect.
- * @param width The width of the draw rect.
- * @param height The height of the draw rect.
- */
-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);
-}
-
-/*************************************************************************/
-
-/**
- * Clears the specified rectangle.
- *
- * @param x The X coordinate of the upper left corner of the clear rect.
- * @param y The Y coordinate of the upper left corner of the clear rect.
- * @param width The width of the clear rect.
- * @param height The height of the clear rect.
- */
-public abstract void
-clearRect(int x, int y, int width, int height);
-
-/*************************************************************************/
-
-/**
- * Draws the outline of the specified rectangle with rounded cornders.
- *
- * @param x The X coordinate of the upper left corner of the draw rect.
- * @param y The Y coordinate of the upper left corner of the draw rect.
- * @param width The width of the draw rect.
- * @param height The height of the draw rect.
- * @param arcWidth The width of the corner arcs.
- * @param arcHeight The height of the corner arcs.
- */
-public abstract void
-drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight);
-
-/*************************************************************************/
-
-/**
- * Fills the specified rectangle with rounded cornders.
- *
- * @param x The X coordinate of the upper left corner of the fill rect.
- * @param y The Y coordinate of the upper left corner of the fill rect.
- * @param width The width of the fill rect.
- * @param height The height of the fill rect.
- * @param arcWidth The width of the corner arcs.
- * @param arcHeight The height of the corner arcs.
- */
-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();
+ /**
+ * Returns the current font for this graphics context.
+ *
+ * @return The current font.
+ */
+ public abstract Font getFont();
+
+ /**
+ * Sets the font for this graphics context to the specified value.
+ *
+ * @param font The new font.
+ */
+ public abstract void setFont(Font font);
+
+ /**
+ * Returns the font metrics for the current font.
+ *
+ * @return The font metrics for the current font.
+ */
+ public FontMetrics getFontMetrics()
+ {
+ return getFontMetrics(getFont());
+ }
+
+ /**
+ * Returns the font metrics for the specified font.
+ *
+ * @param font The font to return metrics for.
+ *
+ * @return The requested font metrics.
+ */
+ public abstract FontMetrics getFontMetrics(Font font);
+
+ /**
+ * Returns the bounding rectangle of the clipping region for this
+ * graphics context.
+ *
+ * @return The bounding rectangle for the clipping region.
+ */
+ public abstract Rectangle getClipBounds();
+
+ /**
+ * Returns the bounding rectangle of the clipping region for this
+ * graphics context.
+ *
+ * @return The bounding rectangle for the clipping region.
+ *
+ * @deprecated This method is deprecated in favor of
+ * <code>getClipBounds()</code>.
+ */
+ public Rectangle getClipRect()
+ {
+ return getClipBounds();
+ }
+
+ /**
+ * Sets the clipping region to the intersection of the current clipping
+ * region and the rectangle determined by the specified parameters.
+ *
+ * @param x The X coordinate of the upper left corner of the intersect rect.
+ * @param y The Y coordinate of the upper left corner of the intersect rect.
+ * @param width The width of the intersect rect.
+ * @param height The height of the intersect rect.
+ */
+ public abstract void clipRect(int x, int y, int width, int height);
+
+ /**
+ * Sets the clipping region to the rectangle determined by the specified
+ * parameters.
+ *
+ * @param x The X coordinate of the upper left corner of the rect.
+ * @param y The Y coordinate of the upper left corner of the rect.
+ * @param width The width of the rect.
+ * @param height The height of the rect.
+ */
+ public abstract void setClip(int x, int y, int width, int height);
+
+ /**
+ * Returns the current clipping region as a <code>Shape</code> object.
+ *
+ * @return The clipping region as a <code>Shape</code>.
+ */
+ public abstract Shape getClip();
+
+ /**
+ * Sets the clipping region to the specified <code>Shape</code>.
+ *
+ * @param clip The new clipping region.
+ */
+ public abstract void setClip(Shape clip);
+
+ /**
+ * Copies the specified rectangle to the specified offset location.
+ *
+ * @param x The X coordinate of the upper left corner of the copy rect.
+ * @param y The Y coordinate of the upper left corner of the copy rect.
+ * @param width The width of the copy rect.
+ * @param height The height of the copy rect.
+ * @param dx The offset from the X value to start drawing.
+ * @param dy The offset from the Y value to start drawing.
+ */
+ public abstract void copyArea(int x, int y, int width, int height, int dx,
+ int dy);
+
+ /**
+ * Draws a line between the two specified points.
+ *
+ * @param x1 The X coordinate of the first point.
+ * @param y1 The Y coordinate of the first point.
+ * @param x2 The X coordinate of the second point.
+ * @param y2 The Y coordinate of the second point.
+ */
+ public abstract void drawLine(int x1, int y1, int x2, int y2);
+
+ /**
+ * Fills the area bounded by the specified rectangle.
+ *
+ * @param x The X coordinate of the upper left corner of the fill rect.
+ * @param y The Y coordinate of the upper left corner of the fill rect.
+ * @param width The width of the fill rect.
+ * @param height The height of the fill rect.
+ */
+ public abstract void fillRect(int x, int y, int width, int height);
+
+ /**
+ * Draws the outline of the specified rectangle.
+ *
+ * @param x The X coordinate of the upper left corner of the draw rect.
+ * @param y The Y coordinate of the upper left corner of the draw rect.
+ * @param width The width of the draw rect.
+ * @param height The height of the draw rect.
+ */
+ 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);
+ }
+
+ /**
+ * Clears the specified rectangle.
+ *
+ * @param x The X coordinate of the upper left corner of the clear rect.
+ * @param y The Y coordinate of the upper left corner of the clear rect.
+ * @param width The width of the clear rect.
+ * @param height The height of the clear rect.
+ */
+ public abstract void clearRect(int x, int y, int width, int height);
+
+ /**
+ * Draws the outline of the specified rectangle with rounded cornders.
+ *
+ * @param x The X coordinate of the upper left corner of the draw rect.
+ * @param y The Y coordinate of the upper left corner of the draw rect.
+ * @param width The width of the draw rect.
+ * @param height The height of the draw rect.
+ * @param arcWidth The width of the corner arcs.
+ * @param arcHeight The height of the corner arcs.
+ */
+ public abstract void drawRoundRect(int x, int y, int width, int height,
+ int arcWidth, int arcHeight);
+
+ /**
+ * Fills the specified rectangle with rounded cornders.
+ *
+ * @param x The X coordinate of the upper left corner of the fill rect.
+ * @param y The Y coordinate of the upper left corner of the fill rect.
+ * @param width The width of the fill rect.
+ * @param height The height of the fill rect.
+ * @param arcWidth The width of the corner arcs.
+ * @param arcHeight The height of the corner arcs.
+ */
+ 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;
- }
+ if (!raised)
+ {
+ Color tmp = tl;
+ tl = br;
+ br = tmp;
+ }
- int x1 = x;
- int y1 = y;
- int x2 = x + width;
- int y2 = y + height;
+ 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, y2, x1, y2);
- setColor(color);
-}
-
-/**
- * Fills the specified rectangle with a 3D effect
- *
- * @param x The X coordinate of the upper left corner of the fill rect.
- * @param y The Y coordinate of the upper left corner of the fill rect.
- * @param width The width of the fill rect.
- * @param height The height of the fill rect.
- * @param raised <code>true</code> if the rectangle appears raised,
- * <code>false</code> if it should appear etched.
- */
-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);
-}
-
-/*************************************************************************/
-
-/**
- * Draws an oval that just fits within the specified rectangle.
- *
- * @param x The X coordinate of the upper left corner of the rect.
- * @param y The Y coordinate of the upper left corner of the rect.
- * @param width The width of the rect.
- * @param height The height of the rect.
- */
-public abstract void
-drawOval(int x, int y, int width, int height);
-
-/*************************************************************************/
-
-/**
- * Fills an oval that just fits within the specified rectangle.
- *
- * @param x The X coordinate of the upper left corner of the rect.
- * @param y The Y coordinate of the upper left corner of the rect.
- * @param width The width of the rect.
- * @param height The height of the rect.
- */
-public abstract void
-fillOval(int x, int y, int width, int height);
-
-/*************************************************************************/
-
-/**
- * Draws an arc using the specified bounding rectangle and the specified
- * angle parameter. The arc is centered at the center of the rectangle.
- * The arc starts at the arcAngle position and extend for arcAngle
- * degrees. The degree origin is at the 3 o'clock position.
- *
- * @param x The X coordinate of the upper left corner of the rect.
- * @param y The Y coordinate of the upper left corner of the rect.
- * @param width The width of the rect.
- * @param height The height of the rect.
- * @param arcStart The beginning angle of the arc.
- * @param arcAngle The extent of the arc.
- */
-public abstract void
-drawArc(int x, int y, int width, int height, int arcStart, int arcAngle);
-
-/*************************************************************************/
-
-/**
- * Fills the arc define by the specified bounding rectangle and the specified
- * angle parameter. The arc is centered at the center of the rectangle.
- * The arc starts at the arcAngle position and extend for arcAngle
- * degrees. The degree origin is at the 3 o'clock position.
- *
- * @param x The X coordinate of the upper left corner of the rect.
- * @param y The Y coordinate of the upper left corner of the rect.
- * @param width The width of the rect.
- * @param height The height of the rect.
- * @param arcStart The beginning angle of the arc.
- * @param arcAngle The extent of the arc.
- */
-public abstract void
-fillArc(int x, int y, int width, int height, int arcStart, int arcAngle);
-
-/*************************************************************************/
-
-/**
- * Draws a series of interconnected lines determined by the arrays
- * of corresponding x and y coordinates.
- *
- * @param xPoints The X coordinate array.
- * @param yPoints The Y coordinate array.
- * @param npoints The number of points to draw.
- */
-public abstract void
-drawPolyline(int xPoints[], int yPoints[], int npoints);
-
-/*************************************************************************/
-
-/**
- * Draws a series of interconnected lines determined by the arrays
- * of corresponding x and y coordinates. The figure is closed if necessary
- * by connecting the first and last points.
- *
- * @param xPoints The X coordinate array.
- * @param yPoints The Y coordinate array.
- * @param npoints The number of points to draw.
- */
-public abstract void
-drawPolygon(int xPoints[], int yPoints[], int npoints);
-
-/*************************************************************************/
-
-/**
- * Draws the specified polygon.
- *
- * @param polygon The polygon to draw.
- */
-public void
-drawPolygon(Polygon polygon)
-{
- drawPolygon(polygon.xpoints, polygon.ypoints, polygon.npoints);
-}
-
-/*************************************************************************/
-
-/**
- * Fills the polygon determined by the arrays
- * of corresponding x and y coordinates.
- *
- * @param xPoints The X coordinate array.
- * @param yPoints The Y coordinate array.
- * @param npoints The number of points to draw.
- */
-public abstract void
-fillPolygon(int xPoints[], int yPoints[], int npoints);
-
-/*************************************************************************/
-
-/**
- * Fills the specified polygon
- *
- * @param polygon The polygon to fill.
- */
-public void
-fillPolygon(Polygon polygon)
-{
- fillPolygon(polygon.xpoints, polygon.ypoints, polygon.npoints);
-}
-
-/*************************************************************************/
-
-/**
- * Draws the specified string starting at the specified point.
- *
- * @param string The string to draw.
- * @param x The X coordinate of the point to draw at.
- * @param y The Y coordinate of the point to draw at.
- */
-public abstract void
-drawString(String string, int x, int y);
-
-public abstract void drawString (AttributedCharacterIterator ci, int x, int y);
-
-/*************************************************************************/
-
-/**
- * Draws the specified characters starting at the specified point.
- *
- * @param data The array of characters to draw.
- * @param offset The offset into the array to start drawing characters from.
- * @param length The number of characters to draw.
- * @param x The X coordinate of the point to draw at.
- * @param y The Y coordinate of the point to draw at.
- */
-public void
-drawChars(char data[], int offset, int length, int x, int y)
-{
- drawString(new String(data, offset, length), 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);
-}
-
-/*************************************************************************/
-
-/**
- * Draws all of the image that is available and returns. If the image
- * is not completely loaded, <code>false</code> is returned and
- * the specified iamge observer is notified as more data becomes
- * available.
- *
- * @param image The image to draw.
- * @param x The X coordinate of the point to draw at.
- * @param y The Y coordinate of the point to draw at.
- * @param observer The image observer to notify as data becomes available.
- *
- * @return <code>true</code> if all the image data is available,
- * <code>false</code> otherwise.
- */
-public abstract boolean
-drawImage(Image image, int x, int y, ImageObserver observer);
+ setColor(tl);
+ drawLine(x1, y1, x2, y1);
+ drawLine(x1, y2, x1, y1);
+ setColor(br);
+ drawLine(x2, y1, x2, y2);
+ drawLine(x2, y2, x1, y2);
+ setColor(color);
+ }
+
+ /**
+ * Fills the specified rectangle with a 3D effect
+ *
+ * @param x The X coordinate of the upper left corner of the fill rect.
+ * @param y The Y coordinate of the upper left corner of the fill rect.
+ * @param width The width of the fill rect.
+ * @param height The height of the fill rect.
+ * @param raised <code>true</code> if the rectangle appears raised,
+ * <code>false</code> if it should appear etched.
+ */
+ 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);
+ }
+
+ /**
+ * Draws an oval that just fits within the specified rectangle.
+ *
+ * @param x The X coordinate of the upper left corner of the rect.
+ * @param y The Y coordinate of the upper left corner of the rect.
+ * @param width The width of the rect.
+ * @param height The height of the rect.
+ */
+ public abstract void drawOval(int x, int y, int width, int height);
+
+ /**
+ * Fills an oval that just fits within the specified rectangle.
+ *
+ * @param x The X coordinate of the upper left corner of the rect.
+ * @param y The Y coordinate of the upper left corner of the rect.
+ * @param width The width of the rect.
+ * @param height The height of the rect.
+ */
+ public abstract void fillOval(int x, int y, int width, int height);
+
+ /**
+ * Draws an arc using the specified bounding rectangle and the specified
+ * angle parameter. The arc is centered at the center of the rectangle.
+ * The arc starts at the arcAngle position and extend for arcAngle
+ * degrees. The degree origin is at the 3 o'clock position.
+ *
+ * @param x The X coordinate of the upper left corner of the rect.
+ * @param y The Y coordinate of the upper left corner of the rect.
+ * @param width The width of the rect.
+ * @param height The height of the rect.
+ * @param arcStart The beginning angle of the arc.
+ * @param arcAngle The extent of the arc.
+ */
+ public abstract void drawArc(int x, int y, int width, int height,
+ int arcStart, int arcAngle);
+
+ /**
+ * Fills the arc define by the specified bounding rectangle and the specified
+ * angle parameter. The arc is centered at the center of the rectangle.
+ * The arc starts at the arcAngle position and extend for arcAngle
+ * degrees. The degree origin is at the 3 o'clock position.
+ *
+ * @param x The X coordinate of the upper left corner of the rect.
+ * @param y The Y coordinate of the upper left corner of the rect.
+ * @param width The width of the rect.
+ * @param height The height of the rect.
+ * @param arcStart The beginning angle of the arc.
+ * @param arcAngle The extent of the arc.
+ */
+ public abstract void fillArc(int x, int y, int width, int height,
+ int arcStart, int arcAngle);
+
+ /**
+ * Draws a series of interconnected lines determined by the arrays
+ * of corresponding x and y coordinates.
+ *
+ * @param xPoints The X coordinate array.
+ * @param yPoints The Y coordinate array.
+ * @param npoints The number of points to draw.
+ */
+ public abstract void drawPolyline(int xPoints[], int yPoints[], int npoints);
+
+ /**
+ * Draws a series of interconnected lines determined by the arrays
+ * of corresponding x and y coordinates. The figure is closed if necessary
+ * by connecting the first and last points.
+ *
+ * @param xPoints The X coordinate array.
+ * @param yPoints The Y coordinate array.
+ * @param npoints The number of points to draw.
+ */
+ public abstract void drawPolygon(int xPoints[], int yPoints[], int npoints);
+
+ /**
+ * Draws the specified polygon.
+ *
+ * @param polygon The polygon to draw.
+ */
+ public void drawPolygon(Polygon polygon)
+ {
+ drawPolygon(polygon.xpoints, polygon.ypoints, polygon.npoints);
+ }
+
+ /**
+ * Fills the polygon determined by the arrays
+ * of corresponding x and y coordinates.
+ *
+ * @param xPoints The X coordinate array.
+ * @param yPoints The Y coordinate array.
+ * @param npoints The number of points to draw.
+ */
+ public abstract void fillPolygon(int xPoints[], int yPoints[], int npoints);
+
+ /**
+ * Fills the specified polygon
+ *
+ * @param polygon The polygon to fill.
+ */
+ public void fillPolygon(Polygon polygon)
+ {
+ fillPolygon(polygon.xpoints, polygon.ypoints, polygon.npoints);
+ }
+
+ /**
+ * Draws the specified string starting at the specified point.
+ *
+ * @param string The string to draw.
+ * @param x The X coordinate of the point to draw at.
+ * @param y The Y coordinate of the point to draw at.
+ */
+ public abstract void drawString(String string, int x, int y);
+
+ public abstract void drawString (AttributedCharacterIterator ci, int x,
+ int y);
+
+ /**
+ * Draws the specified characters starting at the specified point.
+ *
+ * @param data The array of characters to draw.
+ * @param offset The offset into the array to start drawing characters from.
+ * @param length The number of characters to draw.
+ * @param x The X coordinate of the point to draw at.
+ * @param y The Y coordinate of the point to draw at.
+ */
+ public void drawChars(char data[], int offset, int length, int x, int y)
+ {
+ drawString(new String(data, offset, length), 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);
+ }
+
+ /**
+ * Draws all of the image that is available and returns. If the image
+ * is not completely loaded, <code>false</code> is returned and
+ * the specified iamge observer is notified as more data becomes
+ * available.
+ *
+ * @param image The image to draw.
+ * @param x The X coordinate of the point to draw at.
+ * @param y The Y coordinate of the point to draw at.
+ * @param observer The image observer to notify as data becomes available.
+ *
+ * @return <code>true</code> if all the image data is available,
+ * <code>false</code> otherwise.
+ */
+ public abstract boolean drawImage(Image image, int x, int y,
+ ImageObserver observer);
-/*************************************************************************/
-
-/**
- * Draws all of the image that is available and returns. The image
- * is scaled to fit in the specified rectangle. If the image
- * is not completely loaded, <code>false</code> is returned and
- * the specified iamge observer is notified as more data becomes
- * available.
- *
- * @param image The image to draw.
- * @param x The X coordinate of the point to draw at.
- * @param y The Y coordinate of the point to draw at.
- * @param width The width of the rectangle to draw in.
- * @param height The height of the rectangle to draw in.
- * @param observer The image observer to notify as data becomes available.
- *
- * @return <code>true</code> if all the image data is available,
- * <code>false</code> otherwise.
- */
-public abstract boolean
-drawImage(Image image, int x, int y, int width, int height,
- ImageObserver observer);
+ /**
+ * Draws all of the image that is available and returns. The image
+ * is scaled to fit in the specified rectangle. If the image
+ * is not completely loaded, <code>false</code> is returned and
+ * the specified iamge observer is notified as more data becomes
+ * available.
+ *
+ * @param image The image to draw.
+ * @param x The X coordinate of the point to draw at.
+ * @param y The Y coordinate of the point to draw at.
+ * @param width The width of the rectangle to draw in.
+ * @param height The height of the rectangle to draw in.
+ * @param observer The image observer to notify as data becomes available.
+ *
+ * @return <code>true</code> if all the image data is available,
+ * <code>false</code> otherwise.
+ */
+ public abstract boolean drawImage(Image image, int x, int y, int width,
+ int height, ImageObserver observer);
-/*************************************************************************/
-
-/**
- * Draws all of the image that is available and returns. If the image
- * is not completely loaded, <code>false</code> is returned and
- * the specified iamge observer is notified as more data becomes
- * available.
- *
- * @param image The image to draw.
- * @param x The X coordinate of the point to draw at.
- * @param y The Y coordinate of the point to draw at.
- * @param bgcolor The background color to use for the image.
- * @param observer The image observer to notify as data becomes available.
- *
- * @return <code>true</code> if all the image data is available,
- * <code>false</code> otherwise.
- */
-public abstract boolean
-drawImage(Image image, int x, int y, Color bgcolor, ImageObserver observer);
+ /**
+ * Draws all of the image that is available and returns. If the image
+ * is not completely loaded, <code>false</code> is returned and
+ * the specified iamge observer is notified as more data becomes
+ * available.
+ *
+ * @param image The image to draw.
+ * @param x The X coordinate of the point to draw at.
+ * @param y The Y coordinate of the point to draw at.
+ * @param bgcolor The background color to use for the image.
+ * @param observer The image observer to notify as data becomes available.
+ *
+ * @return <code>true</code> if all the image data is available,
+ * <code>false</code> otherwise.
+ */
+ public abstract boolean drawImage(Image image, int x, int y, Color bgcolor,
+ ImageObserver observer);
-/*************************************************************************/
-
-/**
- * Draws all of the image that is available and returns. The image
- * is scaled to fit in the specified rectangle. If the image
- * is not completely loaded, <code>false</code> is returned and
- * the specified iamge observer is notified as more data becomes
- * available.
- *
- * @param image The image to draw.
- * @param x The X coordinate of the point to draw at.
- * @param y The Y coordinate of the point to draw at.
- * @param width The width of the rectangle to draw in.
- * @param height The height of the rectangle to draw in.
- * @param bgcolor The background color to use for the image.
- * @param observer The image observer to notify as data becomes available.
- *
- * @return <code>true</code> if all the image data is available,
- * <code>false</code> otherwise.
- */
-public abstract boolean
-drawImage(Image image, int x, int y, int width, int height, Color bgcolor,
- ImageObserver observer);
-
-/*************************************************************************/
-
-/**
- * FIXME: Write Javadocs for this when you understand it.
- */
-public abstract boolean
-drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1,
- int sx2, int sy2, ImageObserver observer);
-
-/*************************************************************************/
-
-/**
- * FIXME: Write Javadocs for this when you understand it.
- */
-public abstract boolean
-drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1,
- int sx2, int sy2, Color bgcolor, ImageObserver observer);
-
-/*************************************************************************/
-
-/**
- * Free any resources held by this graphics context immediately instead
- * of waiting for the object to be garbage collected and finalized.
- */
-public abstract void
-dispose();
-
-/*************************************************************************/
-
-/**
- * Frees the resources held by this graphics context when it is
- * garbage collected.
- */
-public void
-finalize()
-{
- dispose();
-}
-
-/*************************************************************************/
-
-/**
- * Returns a string representation of this object.
- *
- * @return A string representation of this object.
- */
-public String
-toString()
-{
- return getClass ().getName () + "[font=" + getFont () + ",color=" + getColor () + "]";
-}
-
-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();
+ /**
+ * Draws all of the image that is available and returns. The image
+ * is scaled to fit in the specified rectangle. If the image
+ * is not completely loaded, <code>false</code> is returned and
+ * the specified iamge observer is notified as more data becomes
+ * available.
+ *
+ * @param image The image to draw.
+ * @param x The X coordinate of the point to draw at.
+ * @param y The Y coordinate of the point to draw at.
+ * @param width The width of the rectangle to draw in.
+ * @param height The height of the rectangle to draw in.
+ * @param bgcolor The background color to use for the image.
+ * @param observer The image observer to notify as data becomes available.
+ *
+ * @return <code>true</code> if all the image data is available,
+ * <code>false</code> otherwise.
+ */
+ public abstract boolean drawImage(Image image, int x, int y, int width,
+ int height, Color bgcolor,
+ ImageObserver observer);
+
+ /**
+ * FIXME: Write Javadocs for this when you understand it.
+ */
+ public abstract boolean drawImage(Image image, int dx1, int dy1, int dx2,
+ int dy2, int sx1, int sy1, int sx2,
+ int sy2, ImageObserver observer);
+
+ /**
+ * FIXME: Write Javadocs for this when you understand it.
+ */
+ public abstract boolean drawImage(Image image, int dx1, int dy1, int dx2,
+ int dy2, int sx1, int sy1, int sx2,
+ int sy2, Color bgcolor,
+ ImageObserver observer);
+
+ /**
+ * Free any resources held by this graphics context immediately instead
+ * of waiting for the object to be garbage collected and finalized.
+ */
+ public abstract void dispose();
+
+ /**
+ * Frees the resources held by this graphics context when it is
+ * garbage collected.
+ */
+ public void finalize()
+ {
+ dispose();
+ }
+
+ /**
+ * Returns a string representation of this object.
+ *
+ * @return A string representation of this object.
+ */
+ public String toString()
+ {
+ return getClass ().getName () + "[font=" + getFont () + ",color="
+ + getColor () + "]";
+ }
+
+ /**
+ * Returns <code>true</code> if the specified rectangle intersects with the
+ * current clip, <code>false</code> otherwise.
+ *
+ * @param x the X coordinate of the upper left corner of the test rectangle
+ * @param y the Y coordinate of the upper left corner of the test rectangle
+ * @param width the width of the upper left corner of the test rectangle
+ * @param height the height of the upper left corner of the test rectangle
+ * @return <code>true</code> if the specified rectangle intersects with the
+ * current clip, <code>false</code> otherwise
+ */
+ public boolean hitClip(int x, int y, int width, int height)
+ {
+ return getClip().intersects(x, y, width, height);
+ }
+
+ 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;
+ if (r == null)
+ return clipBounds;
+
+ r.x = clipBounds.x;
+ r.y = clipBounds.y;
+ r.width = clipBounds.width;
+ r.height = clipBounds.height;
+ return r;
+ }
}
-
-} // class Graphics
-
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