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package demos.nurbs.surfaceapp;
import java.awt.event.MouseEvent;
import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener;
import java.util.Vector;
import com.jogamp.opengl.GL;
import com.jogamp.opengl.glu.GLU;
/**
* Třída zpracovávající události myši (implementuje rozhraní zpracovávající stisk tlačítek i pohyb a tažení myší)
* @author Tomáš Hráský
*
*/
public class SurfaceMouseListener implements MouseListener, MouseMotionListener {
/**
* Index aktuálně vybraného řídícího bodu
*/
private int bodIndex;
/**
* Okno k nemuž liustener patří
*/
private SurfaceApp appWindow;
/**
* Typ prováděné činnosti
*/
private String actionType;
/**
* Tolerance pro indikaci kliku na řídící bod
*/
private static final int TOLERANCE=10;
/**
* Vytvoří listener s odkazem na zadané okno
* @param app rodičovské okno
*/
public SurfaceMouseListener(SurfaceApp app) {
this.appWindow=app;
}
/* (non-Javadoc)
* @see java.awt.event.MouseListener#mouseClicked(java.awt.event.MouseEvent)
*/
public void mouseClicked(MouseEvent e) {
if(actionType==SurfaceApp.PRIDAT_AC){
// Surface.getInstance().setIsSurfaceFinished(false);
// float x=e.getX();
// float y=e.getY();
// float z=0;
// float w=1;
// int size;
// float[] newCtrls;
// try{
// size=Surface.getInstance().getCtrlPoints().length;
// }catch (Exception ex) {
// size=0;
// }
// newCtrls=new float[size+4];
// System.arraycopy(Surface.getInstance().getCtrlPoints(),0,newCtrls,0,size);
//
// newCtrls[size]=x;
// newCtrls[size+1]=y;
// newCtrls[size+2]=z;
// newCtrls[size+3]=w;
// Surface.getInstance().setCtrlPoints(newCtrls);
}else if(actionType==SurfaceApp.SMAZAT_AC&&bodIndex>=0){
// Surface.getInstance().setIsSurfaceFinished(false);
// int size=Surface.getInstance().getCtrlPoints().length;
// float[] newCtrls=new float[size-4];
//
// int firstPartSize=(bodIndex)*4;
// int secondPartSize=newCtrls.length-firstPartSize;
// System.arraycopy(Surface.getInstance().getCtrlPoints(),0,newCtrls,0,firstPartSize);
// System.arraycopy(Surface.getInstance().getCtrlPoints(),firstPartSize+4,newCtrls,firstPartSize,secondPartSize);
// bodIndex=-1;
// Surface.getInstance().setBodIndex(bodIndex);
// Surface.getInstance().setCtrlPoints(newCtrls);
}else if(actionType==SurfaceApp.SMAZAT_AC_RADEK&&bodIndex>=0){
Vector<float[]> oldPoints=new Vector<float[]>();
Surface srf=Surface.getInstance();
for(int i=0;i<srf.getCtrlPoints().length;i+=4){
float[] pole={srf.getCtrlPoints()[i],srf.getCtrlPoints()[i+1],srf.getCtrlPoints()[i+2],srf.getCtrlPoints()[i+3]};
oldPoints.add(pole);
}
int index=bodIndex+1;
while(!(index%srf.getPointsInV()==0))
index--;
// index--;
Vector<Integer> indexes=new Vector<Integer>();
for(int i=index;i<index+srf.getPointsInV();i++)
indexes.add(i);
Vector<float[]> newOldPoints=new Vector<float[]>();
for(int i=0;i<oldPoints.size();i++){
if(!indexes.contains(Integer.valueOf(i)))
newOldPoints.add(oldPoints.get(i));
}
// oldPoints.remove(i);
float[] newPoints=new float[newOldPoints.size()*4];
int i=0;
for(float[] f:newOldPoints){
newPoints[i++]=f[0];
newPoints[i++]=f[1];
newPoints[i++]=f[2];
newPoints[i++]=f[3];
}
srf.setIsSurfaceFinished(false);
srf.setPointsInU(srf.getPointsInU()-1);
bodIndex=-1;
srf.setBodIndex(-1);
srf.setCtrlPoints(newPoints);
}else if(actionType==SurfaceApp.SMAZAT_AC_SLOUPEC&&bodIndex>=0){
Vector<float[]> oldPoints=new Vector<float[]>();
Surface srf=Surface.getInstance();
for(int i=0;i<srf.getCtrlPoints().length;i+=4){
float[] pole={srf.getCtrlPoints()[i],srf.getCtrlPoints()[i+1],srf.getCtrlPoints()[i+2],srf.getCtrlPoints()[i+3]};
oldPoints.add(pole);
}
int index=bodIndex+1;
Vector<Integer> indexes=new Vector<Integer>();
for(int i=index;i>=0;i-=srf.getPointsInV()){
indexes.add(i-1);
}
for(int i=index;i<srf.getCtrlPoints().length;i+=srf.getPointsInV()){
indexes.add(i-1);
}
// index--;
// for(int i=index;i<index+srf.getPointsInV();i++)
//
Vector<float[]> newOldPoints=new Vector<float[]>();
for(int i=0;i<oldPoints.size();i++){
if(!indexes.contains(Integer.valueOf(i)))
newOldPoints.add(oldPoints.get(i));
}
// oldPoints.remove(i);
float[] newPoints=new float[newOldPoints.size()*4];
int i=0;
for(float[] f:newOldPoints){
newPoints[i++]=f[0];
newPoints[i++]=f[1];
newPoints[i++]=f[2];
newPoints[i++]=f[3];
}
srf.setIsSurfaceFinished(false);
srf.setPointsInV(srf.getPointsInV()-1);
bodIndex=-1;
srf.setBodIndex(-1);
srf.setCtrlPoints(newPoints);
}
appWindow.updateGLCanvas();
}
/* (non-Javadoc)
* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
*/
public void mousePressed(MouseEvent e) {
float[] ctrlpoints=Surface.getInstance().getCtrlPoints();
int xE=e.getX();
int yE=e.getY();
// System.out.println(xE+" "+yE);
double x,y,z=0;
this.bodIndex=-1;
GL gl=appWindow.getGlCanvas().getGL();
GLU glu=appWindow.getGlListener().getGlu();
int[] viewport;
double[] mvmatrix;
double[] projmatrix;
int realy;
double[] wcoord=new double[4];
viewport=appWindow.getGlListener().getViewport();
mvmatrix=appWindow.getGlListener().getMvmatrix();
projmatrix=appWindow.getGlListener().getProjmatrix();
for(int i=0;i<ctrlpoints.length/4;i++){
x = ctrlpoints[i*4]/ctrlpoints[i*4+3];
y = ctrlpoints[i*4+1]/ctrlpoints[i*4+3];
z=ctrlpoints[i*4+2]/ctrlpoints[i*4+3];
//projekce souřadnic do okna
glu.gluProject(x,y,z,mvmatrix,0,projmatrix,0,viewport,0,wcoord,0);
x=wcoord[0];
y=(viewport[3]-wcoord[1]-1);
if(xE>=x-TOLERANCE&&xE<=x+TOLERANCE&&yE>=y-TOLERANCE&&yE<=y+TOLERANCE){
this.bodIndex=i;
}
}
Surface.getInstance().setBodIndex(bodIndex);
appWindow.updateGLCanvas();
}
/* (non-Javadoc)
* @see java.awt.event.MouseListener#mouseReleased(java.awt.event.MouseEvent)
*/
public void mouseReleased(MouseEvent e) {
// this.bodIndex=-1;
}
/* (non-Javadoc)
* @see java.awt.event.MouseListener#mouseEntered(java.awt.event.MouseEvent)
*/
public void mouseEntered(MouseEvent e) {
}
/* (non-Javadoc)
* @see java.awt.event.MouseListener#mouseExited(java.awt.event.MouseEvent)
*/
public void mouseExited(MouseEvent e) {
}
/* (non-Javadoc)
* @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
*/
public void mouseDragged(MouseEvent e) {
// if(this.bodIndex>=0){
// int x=e.getX();
// int y=e.getY();
//
// Surface.getInstance().setActiveX(x);
// Surface.getInstance().setActiveY(y);
// }
// appWindow.updateGLCanvas();
}
/* (non-Javadoc)
* @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
*/
public void mouseMoved(MouseEvent e) {
}
/**
* Nastaví typ prováděné činnosti
* @param action typ prováděné činnosti
*/
public void setActionType(String action) {
this.actionType=action;
}
/**
* Vrací index aktuálně vybraného řídícího bodu
* @return index aktuálně vybraného řídícího bodu
*/
public int getBodIndex() {
return bodIndex;
}
/**
* Vrací index aktuálně vybraného řídícího bodu
* @param bodIndex aktuálně vybraného řídícího bodu
*/
public void setBodIndex(int bodIndex) {
this.bodIndex = bodIndex;
}
}
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