image-dialog.cpp

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#include <qvbox.h>
#include <qlabel.h>
#include <qscrollview.h>
#include <qlayout.h>
#include "image-dialog.h"

ImageLabel::ImageLabel(QWidget * parent, const char * name, WFlags f ) : 
  QLabel(parent,name,f)
{
}

void ImageLabel::mousePressEvent(QMouseEvent *e)
{
  emit pointSelected(e->x(),e->y(),e->button()==RightButton);
}

ImagePicker::ImagePicker(ImageValue * i) : QDialog(NULL,"image-picker",TRUE)
{
  image = i;
  QGridLayout *tot = new QGridLayout( this, 1, 1, 11, 6, "layout"); 
  // we want to scroll around if necessary
  QScrollView* sv = new QScrollView(this);
  tot->addWidget(sv,0,0);
  QVBox* big_box = new QVBox(sv->viewport());
  sv->addChild(big_box);
  ImageLabel* child1 = new ImageLabel(big_box);
  const QPixmap pm(i->getQImage(false));
  size_x = image->width_direct();
  size_y = image->height_direct();
  child1->setPixmap(pm);
  connect(child1,SIGNAL(pointSelected(int,int,bool)),this, SLOT(pointSelected(int,int,bool)));
}

void ImagePicker::pointSelected(int x, int y, bool right)
{
  if (x>=size_x ||
      x<0 ||
      y>=size_y ||
      y <0)
    return;
  PointValue point = image->dcsToOcs(DirectPoint(x,y));
  nextPoint(point,right);
}

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