Esempio n. 1
0
 void Plot2DAxes::_gradColorButtonCB(Fl_Widget * W)
     {
     unsigned char R = _gradColor.R;
     unsigned char G = _gradColor.G;
     unsigned char B = _gradColor.B;
     if (fl_color_chooser("Axes Color", R, G, B, 1) != 0) { graduations(RGBc(R, G, B)); }
     }
Esempio n. 2
0
 void Plot2DAxes::_numColorButtonCB(Fl_Widget * W)
     {
     unsigned char R = _numColor.R;
     unsigned char G = _numColor.G;
     unsigned char B = _numColor.B;
     if (fl_color_chooser("Numbers Color", R, G, B, 1) != 0) { numbers(RGBc(R, G, B)); }
     }
Esempio n. 3
0
        /**
         * The getColor function associated with the image.
         *
         * @param   pos The position
         *
         * @return  The color of the pixel at that position.
         **/
		inline RGBc getColor(iVec2 pos)
            {
            if (_im == nullptr) return RGBc::c_Transparent;
			const int64 lx = _im->width();
			const int64 ly = _im->height();
			int64 x = pos.X();
			int64 y = pos.Y();
			if (_typepos == TYPECENTER) { x += lx/2; y += ly/2; }
			if ((x <0)||(y < 0)||(x >= lx)||(y >= ly)) return RGBc::c_Transparent;
			y = ly - 1 - y;
			const int64 lxy = lx*ly;
			int64 off = x + lx*y;
			const unsigned char * p = _im->data();
			const char r = *(p + off);
			const char g = *(p + off + lxy);
			const char b = *(p + off + 2*lxy);
			const char a = ((_im->spectrum() < 4) ? (const char)255 : (*(p + off + 3*lxy)));
			return RGBc(r, g, b, a);
            }
Esempio n. 4
0
 void Plotter2DObj::setNameWidgetColor()
     {
     if (!isFltkThread()) // run the method in FLTK if not in it
         {
         IndirectMemberProc<Plotter2DObj> proxy(*this, &Plotter2DObj::setNameWidgetColor); // registers the call
         runInFltkThread(proxy);
         return;
         }
     if ((pnot)_ownercb == nullptr) return;  // return if not inserted
     RGBc coul = nameWidgetColor();
     if (coul.isTransparent()) { return; }
     _nameBox->color(toFlColor(coul));
     if ((int)coul.comp.R + (int)coul.comp.G + (int)coul.comp.B < 300)
         {
         _nameBox->labelcolor(toFlColor(RGBc(230, 230, 230)));
         }
     else
         {
         _nameBox->labelcolor(toFlColor(RGBc::c_Black));
         }
     _nameBox->redraw();
     refresh();
     yieldFocus();
     }