package com.sun.javafx.image.impl;
import com.sun.javafx.image.BytePixelGetter;
import com.sun.javafx.image.ByteToIntPixelConverter;
import com.sun.javafx.image.IntPixelSetter;
import java.nio.ByteBuffer;
import java.nio.IntBuffer;
public abstract class BaseByteToIntConverter
implements ByteToIntPixelConverter
{
protected final BytePixelGetter getter;
protected final IntPixelSetter setter;
protected final int nSrcElems;
BaseByteToIntConverter(BytePixelGetter getter, IntPixelSetter setter) {
this.getter = getter;
this.setter = setter;
this.nSrcElems = getter.getNumElements();
}
@Override
public final BytePixelGetter getGetter() {
return getter;
}
@Override
public final IntPixelSetter getSetter() {
return setter;
}
abstract void doConvert(byte srcarr[], int srcoff, int srcscanbytes,
int dstarr[], int dstoff, int dstscanints,
int w, int h);
abstract void doConvert(ByteBuffer srcbuf, int srcoff, int srcscanbytes,
IntBuffer dstbuf, int dstoff, int dstscanints,
int w, int h);
@Override
public final void convert(byte srcarr[], int srcoff, int srcscanbytes,
int dstarr[], int dstoff, int dstscanints,
int w, int h)
{
if (w <= 0 || h <= 0) return;
if (srcscanbytes == w * nSrcElems &&
dstscanints == w)
{
w *= h;
h = 1;
}
doConvert(srcarr, srcoff, srcscanbytes,
dstarr, dstoff, dstscanints,
w, h);
}
@Override
public final void convert(ByteBuffer srcbuf, int srcoff, int srcscanbytes,
IntBuffer dstbuf, int dstoff, int dstscanints,
int w, int h)
{
if (w <= 0 || h <= 0) return;
if (srcscanbytes == w * nSrcElems &&
dstscanints == w)
{
w *= h;
h = 1;
}
if (srcbuf.hasArray() && dstbuf.hasArray()) {
srcoff += srcbuf.arrayOffset();
dstoff += dstbuf.arrayOffset();
doConvert(srcbuf.array(), srcoff, srcscanbytes,
dstbuf.array(), dstoff, dstscanints,
w, h);
} else {
doConvert(srcbuf, srcoff, srcscanbytes,
dstbuf, dstoff, dstscanints,
w, h);
}
}
@Override
public final void convert(ByteBuffer srcbuf, int srcoff, int srcscanbytes,
int dstarr[], int dstoff, int dstscanints,
int w, int h)
{
if (w <= 0 || h <= 0) return;
if (srcscanbytes == w * nSrcElems &&
dstscanints == w)
{
w *= h;
h = 1;
}
if (srcbuf.hasArray()) {
byte srcarr[] = srcbuf.array();
srcoff += srcbuf.arrayOffset();
doConvert(srcarr, srcoff, srcscanbytes,
dstarr, dstoff, dstscanints,
w, h);
} else {
IntBuffer dstbuf = IntBuffer.wrap(dstarr);
doConvert(srcbuf, srcoff, srcscanbytes,
dstbuf, dstoff, dstscanints,
w, h);
}
}
@Override
public final void convert(byte srcarr[], int srcoff, int srcscanbytes,
IntBuffer dstbuf, int dstoff, int dstscanints,
int w, int h)
{
if (w <= 0 || h <= 0) return;
if (srcscanbytes == w * nSrcElems &&
dstscanints == w)
{
w *= h;
h = 1;
}
if (dstbuf.hasArray()) {
int dstarr[] = dstbuf.array();
dstoff += dstbuf.arrayOffset();
doConvert(srcarr, srcoff, srcscanbytes,
dstarr, dstoff, dstscanints,
w, h);
} else {
ByteBuffer srcbuf = ByteBuffer.wrap(srcarr);
doConvert(srcbuf, srcoff, srcscanbytes,
dstbuf, dstoff, dstscanints,
w, h);
}
}
}