/*
* $Id: LLBitmap.java,v 1.3 2002/02/24 02:10:19 skavish Exp $
*
* ==========================================================================
*
* The JGenerator Software License, Version 1.0
*
* Copyright (c) 2000 Dmitry Skavish (skavish@usa.net). All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by Dmitry Skavish
* (skavish@usa.net, http://www.flashgap.com/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The name "The JGenerator" must not be used to endorse or promote
* products derived from this software without prior written permission.
* For written permission, please contact skavish@usa.net.
*
* 5. Products derived from this software may not be called "The JGenerator"
* nor may "The JGenerator" appear in their names without prior written
* permission of Dmitry Skavish.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL DMITRY SKAVISH OR THE OTHER
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
package org.openlaszlo.iv.flash.api.image;
import java.io.*;
import java.awt.image.*;
import java.awt.geom.*;
import java.util.zip.*;
import org.openlaszlo.iv.flash.util.*;
import org.openlaszlo.iv.flash.url.*;
import org.openlaszlo.iv.flash.parser.*;
import org.openlaszlo.iv.flash.api.*;
import com.sun.image.codec.jpeg.*;
public class LLBitmap extends Bitmap {
protected DataMarker zlibData;
protected Rectangle2D bounds;
protected int format; // 3 - 8 bit, 4 - 16 bit, 5 - 32 bit
protected int colorTableSize; // This value is one less than the actual size of the color table
public LLBitmap() {}
public static Bitmap parse( Parser p ) {
LLBitmap o = new LLBitmap();
o.setID( p.getUWord() );
o.tagCode = p.getTagCode();
o.format = p.getUByte();
int width = p.getUWord();
int height = p.getUWord();
o.bounds = GeomHelper.newRectangle(0, 0, width, height);
// in the other cases there is no color table, thus no color table size !
if( o.format == 3 ) {
o.colorTableSize = p.getUByte();
}
o.zlibData = new DataMarker( p.getBuf(), p.getPos(), p.getTagEndPos() );
return o;
}
public void write( FlashOutput fob ) {
int tagSize = 2+1+4+((colorTableSize>=0&&format==3)?1:0)+zlibData.length();
// always write long tag?
fob.writeLongTag( tagCode, tagSize );
fob.writeDefID(this);
fob.writeByte(format);
fob.writeWord(getWidth());
fob.writeWord(getHeight());
// the colorTableSize should not be written if the color table is empty !
if( colorTableSize>=0 && format == 3 ) {
fob.writeByte( colorTableSize );
}
zlibData.write(fob);
}
public int getSize() {
return zlibData.buffer.length;
}
public Rectangle2D getBounds() { return bounds; }
public void setBounds( Rectangle2D rect ) { this.bounds = rect; }
public void setWidth( int width ) {
if( bounds == null ) bounds = GeomHelper.newRectangle();
bounds.setFrame( 0, 0, width, getHeight() );
}
public void setHeight( int height ) {
if( bounds == null ) bounds = GeomHelper.newRectangle();
bounds.setFrame( 0, 0, getWidth(), height );
}
public int getFormat() { return format; }
public void setFormat( int format ) { this.format = format; }
public int getColorTableSize() { return colorTableSize; }
public void setColorTableSize( int colorTableSize ) { this.colorTableSize = colorTableSize; }
public DataMarker getZLibData() { return zlibData; }
public void setZLibData( DataMarker data ) { this.zlibData = data; }
public void setAlpha( boolean withAlpha ) {
if( withAlpha ) {
tagCode = Tag.DEFINEBITSLOSSLESS2;
} else {
tagCode = Tag.DEFINEBITSLOSSLESS;
}
}
public boolean isAlpha() {
return tagCode == Tag.DEFINEBITSLOSSLESS2;
}
public static LLBitmap newGIFBitmap( String fileName )
throws IVException, IOException
{
return newGIFBitmap( IVUrl.newUrl(fileName) );
}
public static LLBitmap newGIFBitmap( IVUrl url )
throws IVException, IOException
{
return newGIFBitmap( Util.readUrl(url) );
}
public static LLBitmap newGIFBitmap( FlashBuffer fob ) throws IVException {
LLBitmap bitmap = new LLBitmap();
try {
GIFHelper gh = new GIFHelper();
gh.doRead(fob);
bitmap.setWidth(gh.getWidth());
bitmap.setHeight(gh.getHeight());
bitmap.setFormat(3); // GIF image are always 8 bits
bitmap.setAlpha(gh.isAlpha()); // but can have transparency
bitmap.setColorTableSize(gh.getColorTableSize());
bitmap.setZLibData(gh.getZlibData());
} catch( IOException e ) {
throw new IVException(Resource.ERRREADINGGIF, e);
}
return bitmap;
}
public static LLBitmap newPNGBitmap( String fileName )
throws IVException, IOException
{
return newPNGBitmap( IVUrl.newUrl(fileName) );
}
public static LLBitmap newPNGBitmap( IVUrl url )
throws IVException, IOException
{
return newPNGBitmap( Util.readUrl(url) );
}
public static LLBitmap newPNGBitmap( FlashBuffer fob ) throws IVException {
LLBitmap bitmap = new LLBitmap();
try {
PNGHelper pnh = new PNGHelper();
pnh.setInputBuffer(fob);
bitmap.setZLibData(pnh.getZlibData());
bitmap.setWidth(pnh.getWidth());
bitmap.setHeight(pnh.getHeight());
bitmap.setFormat(pnh.getFormat());
bitmap.setAlpha(pnh.hasTransparency());
bitmap.setColorTableSize(pnh.getColorTableSize());
} catch( IOException e ) {
throw new IVException(Resource.ERRREADINGPNG, e);
}
return bitmap;
}
public void printContent( PrintStream out, String indent ) {
out.println( indent+"LossLessBitmap("+Tag.tagNames[tagCode]+"): id="+getID()+" name='"+getName()+"'");
out.print( indent+" format="+(format==3?"8 bit":(format==4?"16 bit":"32 bit")) );
out.println( ", colorTableSize="+colorTableSize+", width="+getWidth()+", height="+getHeight() );
// print zlib data info
/* try {
InflaterInputStream zin = new InflaterInputStream( zlibData.getInputStream() );
FlashBuffer fob = new FlashBuffer(zin);
System.out.println( "size="+fob.getSize() );
out.println( indent+" colortable: RGB"+(isAlpha()?"A":"")+"["+(colorTableSize+1)+"]" );
int size = (isAlpha()?4:3)*(colorTableSize+1);
Util.dump(fob.getBuf(),0,size,out);
int datasize = fob.getSize()-size;
int width = bounds.getWidth();
int height = bounds.getHeight();
int datasize1 = ((width+3)&~0x03)*height;
out.println( indent+" colordata: UI8["+datasize+"] (rounded(width)*height="+datasize1+")" );
Util.dump(fob.getBuf(),size,datasize,out);
} catch( IOException e ) {
}*/
}
protected FlashItem copyInto( FlashItem item, ScriptCopier copier ) {
super.copyInto( item, copier );
((LLBitmap)item).zlibData = (DataMarker) zlibData.getCopy();
((LLBitmap)item).bounds = (Rectangle2D) bounds.clone();
((LLBitmap)item).format = format;
((LLBitmap)item).colorTableSize = colorTableSize;
return item;
}
public FlashItem getCopy( ScriptCopier copier ) {
return copyInto( new LLBitmap(), copier );
}
/*
public JPEGBitmap convertToJPEG( float quality ) {
if( isAlpha() ) {
Log.logRB( Resource.STR, "Alpha channel has been stripped from image during conversion to JPEG" );
}
InflaterInputStream zin = new InflaterInputStream( zlibData.getInputStream() );
FlashBuffer fob = new FlashBuffer(zin);
int width = bounds.getWidth();
int height = bounds.getHeight();
int scansize = (width+3)&~0x03;
int datasize = scansize*height;
int pixelsize = isAlpha()?4:3;
int bitsperpixel;
// if 8bit image, then get rid of color table
if( format == 3 ) {
bitsperpixel = 24;
//int newscansize = (width*3+3)&~0x03;
int newscansize = scansize*3;
FrashBuffer fb = new FlashBuffer(newscansize*height);
byte[] newtable = fb.getBuf();
byte[] table = fob.getBuf();
int dataend = fob.getSize();
int pos = (colorTableSize+1)*pixelsize;
int newpos = 0;
for( ; pos<dataend; pos++ ) {
int idx = table[pos];
newtable[newpos++] = table[idx]; // R
newtable[newpos++] = table[idx+1]; // G
newtable[newpos++] = table[idx+2]; // B
}
fob = fb;
} else if( isAlpha() ) {
// get rid of alpha
}
DataBuffer db = new DataBufferByte(fob.getBuf(), fob.getSize());
WritableRaster raster = Raster.createPackedRaster(db,width,height,,null);
Raster raster = Raster.createRaster(sm,db,null);
fob = new FlashBuffer(fob.getSize()/4);
OutputStream os = fob.getOutputStream();
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(os);
JPEGEncodeParam params = encoder.getDefaultJPEGEncodeParam(raster,colorID);
params.setQuality(quality,true);
encoder.encode(raster,params);
}*/
}
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