pvbrowser manual - Flussi liberi informatici

5.7. GRAFICA 61
{
if(p == NULL || id == 0 || d == NULL || x < -1000 || y < -1000) return -1;
if(id == centerWidget) // the SVG
{
// drag the SVG with your mouse
d->svgAnimator.moveMainObject(x,y);
drawSVG1(p,centerWidget,d);
}
return 0;
}
Pan del grafico SVG con i pulsanti
static int slotButtonEvent(PARAM *p, int id, DATA *d)
{
if(p == NULL || id == 0 || d == NULL) return -1;
if (id == iCenter)
{
pvSetImage(p,iCenter,"1center2.png");
d->svgAnimator.zoomCenter(1.0f);
d->svgAnimator.setMouseXY0(0,0);
d->svgAnimator.setXY0(0.0f,0.0f);
d->svgAnimator.moveMainObject(0,0);
drawSVG1(p,centerWidget,d);
pvSetValue(p,sliderZoom,100);
}
else if(id == iUp)
{
pvSetImage(p,iUp,"1uparrow2.png");
d->svgAnimator.setMouseXY0(0,0);
d->svgAnimator.moveMainObject(0,-DELTA);
drawSVG1(p,centerWidget,d);
}
else if(id == iDown)
{
pvSetImage(p,iDown,"1downarrow2.png");
d->svgAnimator.setMouseXY0(0,0);
d->svgAnimator.moveMainObject(0,DELTA);
drawSVG1(p,centerWidget,d);
}
else if(id == iLeft)
{
pvSetImage(p,iLeft,"1leftarrow2.png");
d->svgAnimator.setMouseXY0(0,0);
d->svgAnimator.moveMainObject(-DELTA,0);
drawSVG1(p,centerWidget,d);
}
else if(id == iRight)
{
pvSetImage(p,iRight,"1rightarrow2.png");
d->svgAnimator.setMouseXY0(0,0);
d->svgAnimator.moveMainObject(DELTA,0);
drawSVG1(p,centerWidget,d);
}
return 0;
}
Esempi di grafica SVG
I primi 2 esempi sono in pvsexample che viene fornito con pvbrowser.