/*
* This file is part of the Haven & Hearth game client.
* Copyright (C) 2009 Fredrik Tolf <fredrik@dolda2000.com>, and
* Björn Johannessen <johannessen.bjorn@gmail.com>
*
* Redistribution and/or modification of this file is subject to the
* terms of the GNU Lesser General Public License, version 3, as
* published by the Free Software Foundation.
*
* This program 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.
*
* Other parts of this source tree adhere to other copying
* rights. Please see the file `COPYING' in the root directory of the
* source tree for details.
*
* A copy the GNU Lesser General Public License is distributed along
* with the source tree of which this file is a part in the file
* `doc/LPGL-3'. If it is missing for any reason, please see the Free
* Software Foundation's website at <http://www.fsf.org/>, or write
* to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*/
package haven;
import java.awt.Graphics;
import java.awt.image.*;
import java.awt.color.ColorSpace;
import java.nio.ByteBuffer;
import javax.media.opengl.*;
public class TexI extends TexGL {
public static ComponentColorModel glcm = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), new int[] {8, 8, 8, 8}, true, false, ComponentColorModel.TRANSLUCENT, DataBuffer.TYPE_BYTE);
public BufferedImage back;
private int fmt = GL.GL_RGBA;
public Mipmapper mmalg = Mipmapper.avg;
public TexI(BufferedImage img) {
super(Utils.imgsz(img));
back = img;
}
public TexI(Coord sz) {
super(sz);
}
/* Java's image model is a little bit complex, so these may not be
* entirely correct. They should be corrected if oddities are
* detected. */
public static int detectfmt(BufferedImage img) {
ColorModel cm = img.getColorModel();
if(!(img.getSampleModel() instanceof PixelInterleavedSampleModel))
return(-1);
PixelInterleavedSampleModel sm = (PixelInterleavedSampleModel)img.getSampleModel();
int[] cs = cm.getComponentSize();
int[] off = sm.getBandOffsets();
/*
System.err.print(this + ": " + cm.getNumComponents() + ", (");
for(int i = 0; i < off.length; i++)
System.err.print(((i > 0)?" ":"") + off[i]);
System.err.print("), (");
for(int i = 0; i < off.length; i++)
System.err.print(((i > 0)?" ":"") + cs[i]);
System.err.print(")");
System.err.println();
*/
if((cm.getNumComponents() == 4) && (off.length == 4)) {
if(((cs[0] == 8) && (cs[1] == 8) && (cs[2] == 8) && (cs[3] == 8)) &&
(cm.getTransferType() == DataBuffer.TYPE_BYTE) &&
(cm.getTransparency() == java.awt.Transparency.TRANSLUCENT)) {
if((off[0] == 0) && (off[1] == 1) && (off[2] == 2) && (off[3] == 3))
return(GL.GL_RGBA);
if((off[0] == 2) && (off[1] == 1) && (off[2] == 0) && (off[3] == 3))
return(GL.GL_BGRA);
}
} else if((cm.getNumComponents() == 3) && (off.length == 3)) {
if(((cs[0] == 8) && (cs[1] == 8) && (cs[2] == 8)) &&
(cm.getTransferType() == DataBuffer.TYPE_BYTE) &&
(cm.getTransparency() == java.awt.Transparency.OPAQUE)) {
if((off[0] == 0) && (off[1] == 1) && (off[2] == 2))
return(GL.GL_RGB);
if((off[0] == 2) && (off[1] == 1) && (off[2] == 0))
return(GL2.GL_BGR);
}
}
return(-1);
}
protected void fill(GOut g) {
GL gl = g.gl;
Coord sz = Utils.imgsz(back);
int ifmt = detectfmt(back);
if((ifmt == GL.GL_RGBA) || (ifmt == GL.GL_BGRA)) {
byte[] pixels = ((DataBufferByte)back.getRaster().getDataBuffer()).getData();
if(sz.equals(tdim)) {
gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, fmt, tdim.x, tdim.y, 0, ifmt, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(pixels));
if(mipmap)
genmipmap(gl, 1, tdim, pixels, ifmt);
} else {
gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, fmt, tdim.x, tdim.y, 0, ifmt, GL.GL_UNSIGNED_BYTE, null);
gl.glTexSubImage2D(GL.GL_TEXTURE_2D, 0, 0, 0, sz.x, sz.y, ifmt, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(pixels));
}
} else if((ifmt == GL.GL_RGB) || (ifmt == GL2.GL_BGR)) {
gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
byte[] pixels = ((DataBufferByte)back.getRaster().getDataBuffer()).getData();
if(sz.equals(tdim)) {
gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, fmt, tdim.x, tdim.y, 0, ifmt, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(pixels));
if(mipmap)
genmipmap3(gl, 1, tdim, pixels, ifmt);
} else {
gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, fmt, tdim.x, tdim.y, 0, ifmt, GL.GL_UNSIGNED_BYTE, null);
gl.glTexSubImage2D(GL.GL_TEXTURE_2D, 0, 0, 0, sz.x, sz.y, ifmt, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(pixels));
}
} else {
/* System.err.println("Weird: " + this); */
byte[] pixels = convert(back, tdim);
gl.glTexImage2D(GL.GL_TEXTURE_2D, 0, fmt, tdim.x, tdim.y, 0, GL.GL_RGBA, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(pixels));
if(mipmap)
genmipmap(gl, 1, tdim, pixels, GL.GL_RGBA);
}
}
private void genmipmap(GL gl, int lev, Coord dim, byte[] data, int ifmt) {
Coord ndim = Mipmapper.nextsz(dim);
byte[] ndata = mmalg.gen4(dim, data, ifmt);
gl.glTexImage2D(GL.GL_TEXTURE_2D, lev, fmt, ndim.x, ndim.y, 0, ifmt, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(ndata));
if((ndim.x > 1) || (ndim.y > 1))
genmipmap(gl, lev + 1, ndim, ndata, ifmt);
}
private void genmipmap3(GL gl, int lev, Coord dim, byte[] data, int ifmt) {
if(mmalg instanceof Mipmapper.Mipmapper3) {
Coord ndim = Mipmapper.nextsz(dim);
byte[] ndata = ((Mipmapper.Mipmapper3)mmalg).gen3(dim, data, ifmt);
gl.glTexImage2D(GL.GL_TEXTURE_2D, lev, fmt, ndim.x, ndim.y, 0, ifmt, GL.GL_UNSIGNED_BYTE, ByteBuffer.wrap(ndata));
if((ndim.x > 1) || (ndim.y > 1))
genmipmap3(gl, lev + 1, ndim, ndata, ifmt);
} else {
genmipmap(gl, lev, dim, convert(back, dim), GL.GL_RGBA);
}
}
public int getRGB(Coord c) {
return(back.getRGB(c.x, c.y));
}
public TexI mkmask() {
TexI n = new TexI(back);
n.fmt = GL.GL_ALPHA;
return(n);
}
public static BufferedImage mkbuf(Coord sz) {
WritableRaster buf = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, sz.x, sz.y, 4, null);
BufferedImage tgt = new BufferedImage(glcm, buf, false, null);
return(tgt);
}
public static byte[] convert(BufferedImage img, Coord tsz, Coord ul, Coord sz) {
WritableRaster buf = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, tsz.x, tsz.y, 4, null);
BufferedImage tgt = new BufferedImage(glcm, buf, false, null);
Graphics g = tgt.createGraphics();
g.drawImage(img, 0, 0, sz.x, sz.y, ul.x, ul.y, ul.x + sz.x, ul.y + sz.y, null);
g.dispose();
return(((DataBufferByte)buf.getDataBuffer()).getData());
}
public static byte[] convert(BufferedImage img, Coord tsz) {
return(convert(img, tsz, Coord.z, Utils.imgsz(img)));
}
}