ButtonPeer.java: Replace with Classpath version.
* java/awt/peer/ButtonPeer.java: Replace with Classpath version. * java/awt/peer/CanvasPeer.java: Replace with Classpath version. * java/awt/peer/CheckboxMenuItemPeer.java: Replace with Classpath version. * java/awt/peer/CheckboxPeer.java: Replace with Classpath version. * java/awt/peer/ChoicePeer.java: Replace with Classpath version. * java/awt/peer/ComponentPeer.java: Replace with Classpath version. * java/awt/peer/ContainerPeer.java: Replace with Classpath version. * java/awt/peer/DialogPeer.java: Replace with Classpath version. * java/awt/peer/FileDialogPeer.java: Replace with Classpath version. * java/awt/peer/FontPeer.java: Replace with Classpath version. * java/awt/peer/FramePeer.java: Replace with Classpath version. * java/awt/peer/LabelPeer.java: Replace with Classpath version. * java/awt/peer/LightweightPeer.java: Replace with Classpath version. * java/awt/peer/ListPeer.java: Replace with Classpath version. * java/awt/peer/MenuBarPeer.java: Replace with Classpath version. * java/awt/peer/MenuComponentPeer.java: Replace with Classpath version. * java/awt/peer/MenuItemPeer.java: Replace with Classpath version. * java/awt/peer/MenuPeer.java: Replace with Classpath version. * java/awt/peer/PanelPeer.java: Replace with Classpath version. * java/awt/peer/PopupMenuPeer.java: Replace with Classpath version. * java/awt/peer/ScrollPanePeer.java: Replace with Classpath version. * java/awt/peer/ScrollbarPeer.java: Replace with Classpath version. * java/awt/peer/TextAreaPeer.java: Replace with Classpath version. * java/awt/peer/TextComponentPeer.java: Replace with Classpath version. * java/awt/peer/TextFieldPeer.java: Replace with Classpath version. * java/awt/peer/WindowPeer.java: Replace with Classpath version. * gnu/awt/xlib/XPanelPeer.java (insets): New method. * gnu/awt/xlib/XCanvasPeer.java (show, hide): New methods. (minimumSize, preferredSize, reshape): Likewise. * gnu/awt/xlib/XFramePeer.java (insets, enable, disable, getColorModel): New methods. * java/awt/PopupMenu.java: Merged with Classpath. * java/awt/MenuBar.java: Merged with Classpath. * java/awt/SystemColor.java: Replace with Classpath version. * java/awt/Panel.java: Merged with Classpath. * java/awt/PaintContext.java: Updated copyright. * java/awt/MenuShortcut.java: Merged with Classpath. * java/awt/MenuContainer.java: Merged with Classpath. * java/awt/Menu.java: Merged with Classpath. * java/awt/MediaEntry.java: New file from Classpath. * java/awt/MediaTracker.java: New file from Classpath. * java/awt/List.java: Merged with Classpath version. * java/awt/Insets.java: Merged with Classpath version. * java/awt/ImageMediaEntry.java: New file from Classpath. * java/awt/Image.java: Replaced with Classpath version. * java/awt/FontMetrics.java: Merged with Classpath version. * java/awt/Cursor.java (getDefaultCursor): Use DEFAULT_CURSOR constant. * java/awt/Font.java: Merged with Classpath version. * java/awt/Dialog.java: Merged with Classpath version. * java/awt/Color.java: Merged with Classpath version. * java/awt/Choice.java: Merged with Classpath version. * java/awt/CheckboxMenuItem.java: Merged with Classpath version. * java/awt/Adjustable.java: Replace with Classpath version. * java/awt/MenuItem.java (paramString): Don't include class name or brackets. Call superclass paramString. * java/awt/MenuComponent.java (toString): Call paramString. (paramString): Compute string; don't call toString. * java/awt/Label.java (paramString): Don't include class name or brackets. Call superclass paramString. * java/awt/Checkbox.java (paramString): Don't include class name or brackets. Call superclass paramString. * java/awt/Button.java (paramString): Don't include class name or brackets. Call superclass paramString. * java/awt/MenuComponent.java (getTreeLock): Now protected. From-SVN: r49099
This commit is contained in:
Tom Tromey
Tom Tromey
parent
e3b0efd1ee
commit
bda1450543
58 changed files with 6837 additions and 2479 deletions
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@ -1,122 +1,522 @@
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/* Copyright (C) 2000 Free Software Foundation
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/* Color.java -- Class representing a color in Java
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Copyright (C) 1999, 2002 Free Software Foundation, Inc.
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This file is part of libgcj.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
General Public License for more details.
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||||
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
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Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA.
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As a special exception, if you link this library with other files to
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produce an executable, this library does not by itself cause the
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resulting executable to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why the
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executable file might be covered by the GNU General Public License. */
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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 java.awt;
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/**
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* @author Warren Levy <warrenl@cygnus.com>
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* @date March 15, 2000.
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* This class represents a color value in the AWT system.
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*
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* @author Aaron M. Renn (arenn@urbanophile.com)
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*/
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public class Color implements java.io.Serializable
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{
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/*
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* Static Variables
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*/
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/**
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* Written using on-line Java Platform 1.2 API Specification, as well
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* as "The Java Class Libraries", 2nd edition (Addison-Wesley, 1998).
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* Status: Stubbed; A very incomplete implementation.
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* Constant for the color white
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*/
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public static final Color white = new Color(255,255,255,255);
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/**
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* Constant for the color light gray
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*/
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public static final Color lightGray = new Color(192,192,192,255);
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/**
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* Constant for the color gray
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*/
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public static final Color gray = new Color(128,128,128,255);
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/**
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* Constant for the color dark gray
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*/
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public static final Color darkGray = new Color(64,64,64,255);
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/**
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* Constant for the color black
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*/
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public static final Color black = new Color(0,0,0,255);
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/**
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* Constant for the color red
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*/
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public static final Color red = new Color(255,0,0,255);
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/**
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* Constant for the color pink
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*/
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public static final Color pink = new Color(255, 175, 175,255);
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/**
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* Constant for the color orange
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*/
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public static final Color orange = new Color(255, 200, 0,255);
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/**
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* Constant for the color yellow
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*/
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public static final Color yellow = new Color(255,255,0,255);
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/**
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* Constant for the color green
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*/
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public static final Color green = new Color(0,255,0,255);
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/**
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* Constant for the color magenta
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*/
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public static final Color magenta = new Color(255,0,255,255);
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/**
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* Constant for the color cyan
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*/
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public static final Color cyan = new Color(0,255,255,255);
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/**
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* Constant for the color blue
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*/
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public static final Color blue = new Color(0,0,255,255);
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// Serialization Constant
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private static final long serialVersionUID = 118526816881161077L;
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// Masks for individual color components
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private static final int redmask = 255 << 16;
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private static final int greenmask = 255 << 8;
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private static final int bluemask = 255;
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private static final int alphamask = 255 << 24;
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private static final int BRIGHT_STEP = 0x30;
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/*************************************************************************/
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/*
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* Instance Variables
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*/
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public class Color extends Object implements Paint, java.io.Serializable
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/**
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* @serial The RGB value of the color.
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*/
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private int value = 0xFFFFFFFF;
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/*************************************************************************/
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/*
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* Static Methods
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*/
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/**
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* Converts the specified string to a number and creates a new instance
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* of <code>Color</code> from the value.
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*
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* @param str The numeric color string.
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*
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* @return A new instance of <code>Color</code> for the string.
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*
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* @exception NumberFormatException If the string cannot be parsed.
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*/
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public static Color
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decode(String str) throws NumberFormatException
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{
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public static final Color white = new Color(0xFFFFFFFF, true);
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public static final Color lightGray = new Color(0xFFC0C0C0, true);
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public static final Color gray = new Color(0xFF808080, true);
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public static final Color darkGray = new Color(0xFF404040, true);
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public static final Color black = new Color(0xFF000000, true);
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public static final Color red = new Color(0xFFFF0000, true);
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public static final Color pink = new Color(0xFFFFAFAF, true);
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public static final Color orange = new Color(0xFFFFC800, true);
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public static final Color yellow = new Color(0xFFFFFF00, true);
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public static final Color green = new Color(0xFF00FF00, true);
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public static final Color magenta = new Color(0xFFFF00FF, true);
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public static final Color cyan = new Color(0xFF00FFFF, true);
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public static final Color blue = new Color(0xFF0000FF, true);
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// The internal sRGB representation.
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// Alpha is bits 24-31, if hasalpha is true.
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// Red is bits 16-23; Green is bits 8-15; Blue is bits 0-7.
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int rgba = 0xFFFFFFFF;
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public Color(int rgb)
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{
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this(rgb, false);
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}
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public Color(int rgba, boolean hasalpha)
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{
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this.rgba = rgba;
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if (!hasalpha)
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rgba |= 0xFF000000;
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}
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public Color(int r, int g, int b)
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{
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this(r, g, b, 0xFF);
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}
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public Color(int r, int g, int b, int a)
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{
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rgba = a << 24 | ((r << 16) & 0x00FF0000) | ((g << 8) & 0x0000FF00) |
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(b & 0x000000FF);
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}
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public int getRed()
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{
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return (rgba >> 16) & 0xFF;
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}
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public int getGreen()
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{
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return (rgba >> 8) & 0xFF;
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}
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public int getBlue()
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{
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return rgba & 0xFF;
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}
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public int getAlpha()
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{
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return (rgba >> 24) & 0xFF;
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}
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public int getRGB()
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{
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return rgba;
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}
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static final int BRIGHT_STEP = 0x30;
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public Color brighter()
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{
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return new Color(Math.min(255, getRed() + BRIGHT_STEP),
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Math.min(255, getGreen() + BRIGHT_STEP),
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Math.min(255, getBlue() + BRIGHT_STEP),
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getAlpha());
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}
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public Color darker()
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{
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return new Color(Math.max(0, getRed() - BRIGHT_STEP),
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Math.max(0, getGreen() - BRIGHT_STEP),
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Math.max(0, getBlue() - BRIGHT_STEP),
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getAlpha());
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}
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public int hashCode()
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{
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return rgba;
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}
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public int getTransparency()
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{
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if (getAlpha() == 0xFF)
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return Transparency.OPAQUE;
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else
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return Transparency.TRANSLUCENT;
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}
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Integer i = Integer.decode(str);
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return(new Color(i.intValue()));
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}
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/*************************************************************************/
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/**
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* Returns a new instance of <code>Color</code> from the value of
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* the system property named by the specified string. If the property
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* does not exist, or cannot be parsed, then <code>null</code> will be
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* returned.
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*
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* @param prop The system property to retrieve.
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*/
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public static Color
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getColor(String prop)
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{
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return(getColor(prop, null));
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}
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/*************************************************************************/
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/**
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* Returns a new instance of <code>Color</code> from the value of the
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* system property named by the specified string. If the property does
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* not exist, or cannot be parsed, then the default RGB value will be
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* used to create a return value.
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*
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* @param prop The system property to retrieve.
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* @param defrgb The default RGB value.
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*/
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public static Color
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getColor(String prop, int defrgb)
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{
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return(getColor(prop, new Color(defrgb)));
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}
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/*************************************************************************/
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/**
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* Returns a new instance of <code>Color</code> from the value of the
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* system property named by the specified string. If the property does
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* not exist, or cannot be parsed, then the default color value will be
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* returned
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*
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* @param prop The system property to retrieve.
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* @param defcolor The default color
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*/
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public static Color
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getColor(String prop, Color defcolor)
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{
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String val = System.getProperty(prop);
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if (val == null)
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return(defcolor);
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try
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{
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return(decode(val));
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}
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catch(NumberFormatException e)
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{
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return(defcolor);
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}
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}
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/*************************************************************************/
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/**
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* Converts from the HSB (hue, saturation, brightness) color model to
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* the RGB (red, green, blue) color model.
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*
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* @param hue The hue of the HSB value.
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* @param saturation The saturation of the HSB value.
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* @param brightness The brightness of the HSB value.
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*
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* @return The RGB value.
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*/
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public static int
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HSBtoRGB(float hue, float saturation, float brightness)
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{
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// FIXME: Implement
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throw new RuntimeException("Not implemented yet");
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}
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/*************************************************************************/
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/**
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* Converts from the RGB (red, green, blue) color model to the HSB
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* (hue, saturation, brightness) color model.
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*
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* @param red The red part of the RGB value.
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* @param green The green part of the RGB value.
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* @param blue The blue part of the RGB value.
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* @param hsbvals An array of three floats used for storing the HSB values,
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* or <code>null</code> if this return mechanism is not used.
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*
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* @return The HSB value.
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*/
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public static float[]
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RGBtoHSB(int red, int green, int blue, float hsbvals[])
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{
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// FIXME: Implement
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throw new RuntimeException("Not implemented yet");
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}
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/*************************************************************************/
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/**
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* Returns a new instance of <code>Color</code> based on the specified
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* HSB values.
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*
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* @param hue The hue of the HSB value.
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* @param saturation The saturation of the HSB value.
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* @param brightness The brightness of the HSB value.
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*
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* @return The new <code>Color</code> object.
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*/
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public static Color
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getHSBColor(float hue, float saturation, float brightness)
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{
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return(new Color(HSBtoRGB(hue, saturation, brightness)));
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}
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/*************************************************************************/
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/*
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* Constructors
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*/
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/**
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* Initializes a new instance of <code>Color</code> using the specified
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* red, green, and blue values, which must be given as integers in the
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* range of 0-255.
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*
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* @param red The red component of the RGB value.
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* @param green The green component of the RGB value.
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* @param blue The blue component of the RGB value.
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*
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* @exception IllegalArgumentException If the values are out of range.
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*/
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public
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Color(int red, int green, int blue)
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{
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if ((red < 0) || (red > 255) || (green < 0) || (green > 255) ||
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(blue < 0) || (blue > 255))
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throw new IllegalArgumentException("Bad RGB values");
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value = blue + (green << 8) + (red << 16);
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}
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public
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Color(int red, int green, int blue, int alpha)
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{
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if ((red < 0) || (red > 255) || (green < 0) || (green > 255) ||
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(blue < 0) || (blue > 255))
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throw new IllegalArgumentException("Bad RGB values");
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value = blue + (green << 8) + (red << 16) + (alpha << 24);
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}
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/*************************************************************************/
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/**
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* Initializes a new instance of <code>Color</code> using the specified
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* RGB value. The blue value is in bits 0-7, green in bits 8-15, and
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* red in bits 16-23. The other bits are ignored.
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*
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* @param value The RGB value
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*/
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public
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Color(int value)
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{
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this.value = value;
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}
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public
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Color(int value, boolean hasalpha)
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{
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this.value = value;
|
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if (! hasalpha)
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this.value |= 0xFF000000;
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}
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/*************************************************************************/
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/**
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* Initializes a new instance of <code>Color</code> using the specified
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* RGB values. These must be in the range of 0.0-1.0.
|
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*
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* @param red The red component of the RGB value.
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* @param green The green component of the RGB value.
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* @param blue The blue component of the RGB value.
|
||||
*
|
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* @exception IllegalArgumentException If the values are out of range.
|
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*/
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public
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Color(float red, float green, float blue)
|
||||
{
|
||||
if ((red < 0.0) || (red > 1.0) || (green < 0.0) || (green > 1.0) ||
|
||||
(blue < 0.0) || (blue > 1.0))
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throw new IllegalArgumentException("Bad RGB values");
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int redval = (int)(255 * red);
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int greenval = (int)(255 * green);
|
||||
int blueval = (int)(255 * blue);
|
||||
|
||||
value = blueval + (greenval << 8) + (redval << 16);
|
||||
}
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||||
|
||||
/*************************************************************************/
|
||||
|
||||
/*
|
||||
* Instance Methods
|
||||
*/
|
||||
|
||||
/**
|
||||
* Returns the red value for this color.
|
||||
*
|
||||
* @return The red value for this color.
|
||||
*/
|
||||
public int
|
||||
getRed()
|
||||
{
|
||||
int redval = (value & redmask) >> 16;
|
||||
|
||||
return(redval);
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Returns the green value for this color.
|
||||
*
|
||||
* @return The green value for this color.
|
||||
*/
|
||||
public int
|
||||
getGreen()
|
||||
{
|
||||
int greenval = (value & greenmask) >> 8;
|
||||
|
||||
return(greenval);
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Returns the blue value for this color.
|
||||
*
|
||||
* @return The blue value for this color.
|
||||
*/
|
||||
public int
|
||||
getBlue()
|
||||
{
|
||||
int blueval = (value & bluemask);
|
||||
|
||||
return(blueval);
|
||||
}
|
||||
|
||||
public int
|
||||
getAlpha()
|
||||
{
|
||||
int alphaval = (value & alphamask);
|
||||
|
||||
return(alphaval);
|
||||
}
|
||||
|
||||
public int
|
||||
getTransparency()
|
||||
{
|
||||
if (getAlpha() == 0xFF)
|
||||
return Transparency.OPAQUE;
|
||||
else
|
||||
return Transparency.TRANSLUCENT;
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Returns the RGB value for this color. The blue value will be in bits
|
||||
* 0-7, green in 8-15, and red in 6-23. The upper bits should be ignored.
|
||||
*
|
||||
* @return The RGB value for this color.
|
||||
*/
|
||||
public int
|
||||
getRGB()
|
||||
{
|
||||
return(value);
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Returns a brighter version of this color. This is done by increasing
|
||||
* the RGB values by an arbitrary scale factor. Note that this method
|
||||
* and the <code>darker()</code> method are not necessarily inverses.
|
||||
*
|
||||
* @return A brighter version of this color.
|
||||
*/
|
||||
public Color
|
||||
brighter()
|
||||
{
|
||||
return new Color(Math.min(255, getRed() + BRIGHT_STEP),
|
||||
Math.min(255, getGreen() + BRIGHT_STEP),
|
||||
Math.min(255, getBlue() + BRIGHT_STEP),
|
||||
getAlpha());
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Returns a darker version of this color. This is done by decreasing
|
||||
* the RGB values by an arbitrary scale factor. Note that this method
|
||||
* and the <code>brighter()</code> method are not necessarily inverses.
|
||||
*
|
||||
* @return A darker version of this color.
|
||||
*/
|
||||
public Color
|
||||
darker()
|
||||
{
|
||||
return new Color(Math.max(0, getRed() - BRIGHT_STEP),
|
||||
Math.max(0, getGreen() - BRIGHT_STEP),
|
||||
Math.max(0, getBlue() - BRIGHT_STEP),
|
||||
getAlpha());
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Returns a hash value for this color.
|
||||
*
|
||||
* @return A hash value for this color.
|
||||
*/
|
||||
public int
|
||||
hashCode()
|
||||
{
|
||||
return(value);
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Tests this object for equality against the specified object. This will
|
||||
* be true if and only if the specified object is an instance of
|
||||
* <code>Color</code> and has the same red, green, and blue values as
|
||||
* this object.
|
||||
*
|
||||
* @return <code>true</code> if the specified object is equal to this one,
|
||||
* <code>false</code> otherwise.
|
||||
*/
|
||||
public boolean
|
||||
equals(Object obj)
|
||||
{
|
||||
if (!(obj instanceof Color))
|
||||
return(false);
|
||||
|
||||
Color c = (Color)obj;
|
||||
return value == c.value;
|
||||
}
|
||||
|
||||
/*************************************************************************/
|
||||
|
||||
/**
|
||||
* Returns a string representation of this object.
|
||||
*
|
||||
* @return A string representation of this object.
|
||||
*/
|
||||
public String
|
||||
toString()
|
||||
{
|
||||
return(getClass().getName() + "(red=" + getRed() + ",green=" + getGreen() +
|
||||
",blue=" + getBlue() + ")");
|
||||
}
|
||||
|
||||
} // class Color
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue