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Diffstat (limited to 'libjava/classpath/java/awt/Graphics.java')
-rw-r--r-- | libjava/classpath/java/awt/Graphics.java | 639 |
1 files changed, 0 insertions, 639 deletions
diff --git a/libjava/classpath/java/awt/Graphics.java b/libjava/classpath/java/awt/Graphics.java deleted file mode 100644 index dfc7722..0000000 --- a/libjava/classpath/java/awt/Graphics.java +++ /dev/null @@ -1,639 +0,0 @@ -/* Graphics.java -- Abstract Java drawing class - Copyright (C) 1999, 2000, 2002, 2004, 2005 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - - -package java.awt; - -import java.awt.image.ImageObserver; -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 -{ - - /** - * 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(); - - 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, 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. 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 () + "]"; - } - - /** - * 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) - { - Shape clip = getClip(); - if (clip == null) - return true; - 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; - } -} |