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* java/awt/Color.java: Rewrote to be more memory efficient (& compile).

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From-SVN: r32634
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Warren Levy 2000-03-19 11:23:27 +00:00 committed by Warren Levy
parent b8086379b6
commit b6166b4d0f
2 changed files with 55 additions and 25 deletions
libjava
ChangeLog
java/awt
Color.java

4
libjava/ChangeLog

@ -1,3 +1,7 @@
2000-03-19 Warren Levy <warrenl@cygnus.com>
* java/awt/Color.java: Rewrote to be more memory efficient (& compile).
2000-03-16 Warren Levy <warrenl@cygnus.com>
* java/awt/Color.java: New file.

76
libjava/java/awt/Color.java

@ -21,25 +21,24 @@ package java.awt;
public class Color extends Object implements Paint, Serializable
{
public static final Color white = new Color(0xff, 0xff, 0xff);
public static final Color lightGray = new Color(0xc0, 0xc0, 0xc0);
public static final Color gray = new Color(0x80, 0x80, 0x80);
public static final Color darkGray = new Color(0x40, 0x40, 0x40);
public static final Color black = new Color(0x00, 0x00, 0x00);
public static final Color red = new Color(0xff, 0x00, 0x00);
public static final Color pink = new Color(0xff, 0xaf, 0xaf);
public static final Color orange = new Color(0xff, 0xc8, 0x00);
public static final Color yellow = new Color(0xff, 0xff, 0x00);
public static final Color green = new Color(0x00, 0xff, 0x00);
public static final Color magenta = new Color(0xff, 0x00, 0xff);
public static final Color cyan = new Color(0x00, 0xff, 0xff);
public static final Color blue = new Color(0x00, 0x00, 0xff);
public static final Color white = new Color(0xFFFFFFFF, true);
public static final Color lightGray = new Color(0xFFC0C0C0, true);
public static final Color gray = new Color(0xFF808080, true);
public static final Color darkGray = new Color(0xFF404040, true);
public static final Color black = new Color(0xFF000000, true);
public static final Color red = new Color(0xFFFF0000, true);
public static final Color pink = new Color(0xFFFFAFAF, true);
public static final Color orange = new Color(0xFFFFC800, true);
public static final Color yellow = new Color(0xFFFFFF00, true);
public static final Color green = new Color(0xFF00FF00, true);
public static final Color magenta = new Color(0xFFFF00FF, true);
public static final Color cyan = new Color(0xFF00FFFF, true);
public static final Color blue = new Color(0xFF0000FF, true);
// The internal sRGB representation.
private float r;
private float g;
private float b;
private int alpha = 255;
// Alpha is bits 24-31, if hasalpha is true.
// Red is bits 16-23; Green is bits 8-15; Blue is bits 0-7.
private int rgba = 0xFFFFFFFF;
public Color(int rgb)
{
@ -48,17 +47,44 @@ public class Color extends Object implements Paint, Serializable
public Color(int rgba, boolean hasalpha)
{
// Alpha is bits 24-31, if hasalpha is true.
// Red is bits 16-23; Green is bits 8-15; Blue is bits 0-7.
b = rgb & 0xFF;
g = (rgb >>= 8) & 0xFF;
r = (rgb >>= 8) & 0xFF;
if (hasalpha)
alpha = (rgb >>= 8) & 0xFF;
this.rgba = rgba;
if (!hasalpha)
rgba |= 0xFF000000;
}
public Color(int r, int g, int b)
{
this(r, g, b, 0xFF);
}
public Color(int r, int g, int b, int a)
{
rgba = a << 24 | ((r << 16) & 0x00FF0000) | ((g << 8) & 0x0000FF00) |
(b & 0x000000FF);
}
public int getRed()
{
return (rgba >> 16) & 0xFF;
}
public int getGreen()
{
return (rgba >> 8) & 0xFF;
}
public int getBlue()
{
return rgba & 0xFF;
}
public int getAlpha()
{
return (rgba >> 24) & 0xFF;
}
public int getRGB()
{
return alpha << 24 | r << 16 | g << 8 | b;
return rgba;
}
}