jogamp.opengl.glu.nurbs.CArrayOfFloats Maven / Gradle / Ivy
package jogamp.opengl.glu.nurbs;
/**
* Class replacing C language pointer
*
* @author Tomas Hrasky
*
*/
public class CArrayOfFloats {
/**
* Underlaying array
*/
private float[] array;
/**
* Pointer to array member
*/
private int pointer;
/**
* Don't check for array borders?
*/
private boolean noCheck = true;
/**
* Makes new CArray
*
* @param array
* underlaying array
* @param pointer
* pointer (index) to array
*/
public CArrayOfFloats(float[] array, int pointer) {
this.array = array;
// this.pointer=pointer;
setPointer(pointer);
}
/**
* Makes new CArray from other CArray
*
* @param carray
* reference array
*/
public CArrayOfFloats(CArrayOfFloats carray) {
this.array = carray.array;
// this.pointer=carray.pointer;
setPointer(carray.pointer);
}
/**
* Makes new CArray with pointer set to 0
*
* @param ctlarray
* underlaying array
*/
public CArrayOfFloats(float[] ctlarray) {
this.array = ctlarray;
this.pointer = 0;
}
/**
* Returns element at pointer
*
* @return element at pointer
*/
public float get() {
return array[pointer];
}
/**
* Increases pointer by one (++)
*/
public void pp() {
// pointer++;
setPointer(pointer + 1);
}
/**
* Sets element at pointer
*
* @param f
* desired value
*/
public void set(float f) {
array[pointer] = f;
}
/**
* Returns array element at specified index
*
* @param i
* array index
* @return element at index
*/
public float get(int i) {
return array[i];
}
/**
* Returns array element at specified index relatively to pointer
*
* @param i
* relative index
* @return element at relative index
*/
public float getRelative(int i) {
return array[pointer + i];
}
/**
* Sets value of element at specified index relatively to pointer
*
* @param i
* relative index
* @param value
* value to be set
*/
public void setRelative(int i, float value) {
array[pointer + i] = value;
}
/**
* Lessens pointer by value
*
* @param i
* lessen by
*/
public void lessenPointerBy(int i) {
// pointer-=i;
setPointer(pointer - i);
}
/**
* Returns pointer value
*
* @return pointer value
*/
public int getPointer() {
return pointer;
}
/**
* Sets ponter value
*
* @param pointer
* pointer value to be set
*/
public void setPointer(int pointer) {
if (!noCheck && pointer > array.length)
throw new IllegalArgumentException("Pointer " + pointer
+ " out of bounds " + array.length);
this.pointer = pointer;
}
/**
* Raises pointer by value
*
* @param i
* raise by
*/
public void raisePointerBy(int i) {
// pointer+=i;
setPointer(pointer + i);
}
/**
* Lessens ponter by one (--)
*/
public void mm() {
// pointer--;
setPointer(pointer - 1);
}
/**
* Returns underlaying array
*
* @return underlaying array
*/
public float[] getArray() {
return array;
}
/**
* Sets underlaying array
*
* @param array
* underlaying array
*/
public void setArray(float[] array) {
this.array = array;
}
}