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IndexColorModel.java: New version from classpath.

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2003-06-19  Michael Koch  <konqueror@gmx.de>

	* java/awt/image/IndexColorModel.java:
	New version from classpath.

From-SVN: r68185
This commit is contained in:
Michael Koch 2003-06-19 09:33:40 +00:00 committed by Michael Koch
parent 8500943597
commit 16e4b777c8
2 changed files with 58 additions and 35 deletions
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5
libjava/ChangeLog
View File

@ -1,3 +1,8 @@
2003-06-19 Michael Koch <konqueror@gmx.de>
* java/awt/image/IndexColorModel.java:
New version from classpath.
2003-06-18 Tom Tromey <tromey@redhat.com>
* java/net/Inet6Address.java (isAnyLocalAddress): Don't use "=="

88
libjava/java/awt/image/IndexColorModel.java
View File

@ -39,7 +39,6 @@ exception statement from your version. */
package java.awt.image;
/**
*
* @author C. Brian Jones (cbj@gnu.org)
*/
public class IndexColorModel extends ColorModel
@ -47,7 +46,6 @@ public class IndexColorModel extends ColorModel
private int map_size;
private boolean opaque;
private int trans = -1;
private int[] rgb;
/**
@ -63,7 +61,8 @@ public class IndexColorModel extends ColorModel
* @param blues the blue component of all colors
*/
public IndexColorModel(int bits, int size, byte[] reds, byte[] greens,
byte[] blues) {
byte[] blues)
{
this(bits, size, reds, greens, blues, (byte[])null);
}
@ -81,7 +80,8 @@ public class IndexColorModel extends ColorModel
* @param trans the index of the transparent color
*/
public IndexColorModel(int bits, int size, byte[] reds, byte[] greens,
byte[] blues, int trans) {
byte[] blues, int trans)
{
this(bits, size, reds, greens, blues, (byte[])null);
this.trans = trans;
}
@ -100,26 +100,31 @@ public class IndexColorModel extends ColorModel
* @param alphas the alpha component of all colors
*/
public IndexColorModel(int bits, int size, byte[] reds, byte[] greens,
byte[] blues, byte[] alphas) {
byte[] blues, byte[] alphas)
{
super(bits);
map_size = size;
opaque = (alphas == null);
rgb = new int[size];
if (alphas == null) {
for (int i = 0; i < size; i++) {
rgb[i] = 0xff000000 |
((reds[i] & 0xff) << 16) |
((greens[i] & 0xff) << 8) |
(blues[i] & 0xff);
if (alphas == null)
{
for (int i = 0; i < size; i++)
{
rgb[i] = (0xff000000
| ((reds[i] & 0xff) << 16)
| ((greens[i] & 0xff) << 8)
| (blues[i] & 0xff));
}
}
else {
for (int i = 0; i < size; i++) {
rgb[i] = ((alphas[i] & 0xff) << 24 |
((reds[i] & 0xff) << 16) |
((greens[i] & 0xff) << 8) |
(blues[i] & 0xff));
else
{
for (int i = 0; i < size; i++)
{
rgb[i] = ((alphas[i] & 0xff) << 24
| ((reds[i] & 0xff) << 16)
| ((greens[i] & 0xff) << 8)
| (blues[i] & 0xff));
}
}
}
@ -137,7 +142,8 @@ public class IndexColorModel extends ColorModel
* @param hasAlpha <code>cmap</code> has alpha values
*/
public IndexColorModel(int bits, int size, byte[] cmap, int start,
boolean hasAlpha) {
boolean hasAlpha)
{
this(bits, size, cmap, start, hasAlpha, -1);
}
@ -155,49 +161,56 @@ public class IndexColorModel extends ColorModel
* @param trans the index of the transparent color
*/
public IndexColorModel(int bits, int size, byte[] cmap, int start,
boolean hasAlpha, int trans) {
boolean hasAlpha, int trans)
{
super(bits);
map_size = size;
opaque = !hasAlpha;
this.trans = trans;
}
public final int getMapSize() {
public final int getMapSize ()
{
return map_size;
}
/**
* Get the index of the transparent color in this color model
*/
public final int getTransparentPixel() {
public final int getTransparentPixel ()
{
return trans;
}
/**
* <br>
*/
public final void getReds(byte[] r) {
public final void getReds (byte[] r)
{
getComponents( r, 2 );
}
/**
* <br>
*/
public final void getGreens(byte[] g) {
public final void getGreens (byte[] g)
{
getComponents( g, 1 );
}
/**
* <br>
*/
public final void getBlues(byte[] b) {
public final void getBlues (byte[] b)
{
getComponents( b, 0 );
}
/**
* <br>
*/
public final void getAlphas(byte[] a) {
public final void getAlphas (byte[] a)
{
getComponents( a, 3 );
}
@ -210,54 +223,59 @@ public class IndexColorModel extends ColorModel
/**
* Get the red component of the given pixel.
* <br>
*/
public final int getRed(int pixel) {
public final int getRed (int pixel)
{
if( pixel < map_size )
return (int)(( generateMask( 2 ) & rgb[pixel]) >> (2 * pixel_bits ) );
return 0;
}
/**
* Get the green component of the given pixel.
* <br>
*/
public final int getGreen(int pixel) {
public final int getGreen (int pixel)
{
if( pixel < map_size )
return (int)(( generateMask( 1 ) & rgb[pixel]) >> (1 * pixel_bits ) );
return 0;
}
/**
* Get the blue component of the given pixel.
* <br>
*/
public final int getBlue(int pixel) {
public final int getBlue (int pixel)
{
if( pixel < map_size )
return (int)( generateMask( 0 ) & rgb[pixel]);
return 0;
}
/**
* Get the alpha component of the given pixel.
* <br>
*/
public final int getAlpha(int pixel) {
public final int getAlpha (int pixel)
{
if( pixel < map_size )
return (int)(( generateMask( 3 ) & rgb[pixel]) >> (3 * pixel_bits ) );
return 0;
}
/**
* Get the RGB color value of the given pixel using the default
* RGB color model.
* <br>
*
* @param pixel a pixel value
*/
public final int getRGB(int pixel) {
public final int getRGB (int pixel)
{
if( pixel < map_size )
return rgb[pixel];
return 0;
}