X-Git-Url: https://oss.titaniummirror.com/gitweb/?a=blobdiff_plain;f=libjava%2Fjava%2Fawt%2Fimage%2FRGBImageFilter.java;fp=libjava%2Fjava%2Fawt%2Fimage%2FRGBImageFilter.java;h=0000000000000000000000000000000000000000;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=f682cd8b959c30abca148ebcb014d672091bd4e0;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git diff --git a/libjava/java/awt/image/RGBImageFilter.java b/libjava/java/awt/image/RGBImageFilter.java deleted file mode 100644 index f682cd8b..00000000 --- a/libjava/java/awt/image/RGBImageFilter.java +++ /dev/null @@ -1,244 +0,0 @@ -/* RGBImageFilter.java -- Java class for filtering Pixels by RGB values - Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA -02111-1307 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.image; - -/** - * A filter designed to filter images in the default RGBColorModel regardless of - * the ImageProducer's ColorModel. - * - * @author Mark Benvenuto - */ -public abstract class RGBImageFilter extends ImageFilter -{ - protected ColorModel origmodel = ColorModel.getRGBdefault(); - - protected ColorModel newmodel; - - /** - Specifies whether to apply the filter to the index entries of the - IndexColorModel. Subclasses should set this to true if the filter - does not depend on the pixel's coordinate. - */ - protected boolean canFilterIndexColorModel = false; - - /** - Construct new RGBImageFilter. - */ - public RGBImageFilter() - { - } - - /** - * Sets the ColorModel used to filter with. If the specified ColorModel is IndexColorModel - * and canFilterIndexColorModel is true, we subsitute the ColorModel for a filtered one - * here and in setPixels whenever the original one appears. Otherwise overrides the default - * ColorModel of ImageProducer and specifies the default RGBColorModel - * - * @param model the color model to be used most often by setPixels - * @see ColorModel */ - public void setColorModel(ColorModel model) - { - origmodel = model; - newmodel = model; - - if( ( model instanceof IndexColorModel) && canFilterIndexColorModel ) { - newmodel = filterIndexColorModel( (IndexColorModel) model ); - } - } - - /** - Registers a new ColorModel to subsitute for the old ColorModel when - setPixels encounters the a pixel with the old ColorModel. The pixel - remains unchanged except for a new ColorModel. - - @param oldcm the old ColorModel - @param newcm the new ColorModel - */ - public void substituteColorModel(ColorModel oldcm, - ColorModel newcm) - { - origmodel = oldcm; - newmodel = newcm; - } - - /** - Filters an IndexColorModel through the filterRGB function. Uses - coordinates of -1 to indicate its filtering an index and not a pixel. - - @param icm an IndexColorModel to filter - */ - public IndexColorModel filterIndexColorModel(IndexColorModel icm) - { - int len = icm.getMapSize(), rgb; - byte reds[] = new byte[len], greens[] = new byte[len], blues[] = new byte[len], alphas[] = new byte[len]; - - icm.getAlphas( alphas ); - icm.getReds( reds ); - icm.getGreens( greens ); - icm.getBlues( blues ); - - for( int i = 0; i < len; i++ ) - { - rgb = filterRGB( -1, -1, makeColor ( alphas[i], reds[i], greens[i], blues[i] ) ); - alphas[i] = (byte)(( 0xff000000 & rgb ) >> 24); - reds[i] = (byte)(( 0xff0000 & rgb ) >> 16); - greens[i] = (byte)(( 0xff00 & rgb ) >> 8); - blues[i] = (byte)(0xff & rgb); - } - return new IndexColorModel( icm.getPixelSize(), len, reds, greens, blues, alphas ); - } - - private int makeColor( byte a, byte r, byte g, byte b ) - { - return ( 0xff000000 & (a << 24) | 0xff0000 & (r << 16) | 0xff00 & (b << 8) | 0xff & g ); - } - - /** - This functions filters a set of RGB pixels through filterRGB. - - @param x the x coordinate of the rectangle - @param y the y coordinate of the rectangle - @param w the width of the rectangle - @param h the height of the rectangle - @param model the ColorModel used to translate the pixels - @param pixels the array of pixel values - @param offset the index of the first pixels in the pixels array - @param scansize the width to use in extracting pixels from the pixels array - */ - public void filterRGBPixels(int x, - int y, - int w, - int h, - int[] pixels, - int off, - int scansize) - { - int xp, yp, i; - - for( xp = x; xp < ( x + w); xp++ ) - for( yp = y; yp < (y + h); yp++ ) - pixels[ off + yp * scansize + xp ] = filterRGB( xp, yp, pixels[ off + yp * scansize + xp ] ); - } - - - /** - * If the ColorModel is the same ColorModel which as already converted - * then it converts it the converted ColorModel. Otherwise it passes the - * array of pixels through filterRGBpixels. - * - * @param x the x coordinate of the rectangle - * @param y the y coordinate of the rectangle - * @param w the width of the rectangle - * @param h the height of the rectangle - * @param model the ColorModel used to translate the pixels - * @param pixels the array of pixel values - * @param offset the index of the first pixels in the pixels array - * @param scansize the width to use in extracting pixels from the pixels array - */ - public void setPixels(int x, int y, int w, int h, - ColorModel model, byte[] pixels, int offset, int scansize) - { - if( model == origmodel ) { - consumer.setPixels(x, y, w, h, newmodel, pixels, offset, scansize); - } else { - //FIXME - //convert to proper CM - int pixelsi[] = new int[ pixels.length / 4 ]; - filterRGBPixels( x, y, w, h, pixelsi, offset, scansize ); - } - } - - /** - * This function delivers a rectangle of pixels where any - * pixel(m,n) is stored in the array as an int at - * index (n * scansize + m + offset). - * - * @param x the x coordinate of the rectangle - * @param y the y coordinate of the rectangle - * @param w the width of the rectangle - * @param h the height of the rectangle - * @param model the ColorModel used to translate the pixels - * @param pixels the array of pixel values - * @param offset the index of the first pixels in the pixels array - * @param scansize the width to use in extracting pixels from the pixels array - */ - public void setPixels(int x, int y, int w, int h, - ColorModel model, int[] pixels, int offset, int scansize) - { - if( model == origmodel ) { - consumer.setPixels(x, y, w, h, newmodel, pixels, offset, scansize); - } else { - convertColorModelToDefault( x, y, w, h, model, pixels, offset, scansize ); - filterRGBPixels( x, y, w, h, pixels, offset, scansize ); - } - } - - private void convertColorModelToDefault( int x, int y, int w, int h, - ColorModel model, int pixels[], int offset, int scansize) - { - int xp, yp, i; - - for( xp = x; xp < ( x + w); xp++ ) - for( yp = y; yp < (y + h); yp++ ) - pixels[ offset + yp * scansize + xp ] = makeColorbyDefaultCM( pixels[ offset + yp * scansize + xp ] ); - - } - private int makeColorbyDefaultCM( int rgb ) - { - return makeColor( origmodel.getRed( rgb ), origmodel.getGreen( rgb ), origmodel.getGreen( rgb ), origmodel.getBlue( rgb ) ); - } - - - private int makeColor( int a, int r, int g, int b ) - { - return (int)( 0xff000000 & (a << 24) | 0xff0000 & (r << 16) | 0xff00 & (b << 8) | 0xff & g ); - } - - - /** - Filters a single pixel from the default ColorModel. - - @param x x-coordinate - @param y y-coordinate - @param rgb color - */ - public abstract int filterRGB(int x, - int y, - int rgb); -}