Impala Documentation

void Impala::Visualization::DirImViewer3D::HandleVisibility	(	int	id,
		bool	visible
	)			`[inline, private]`

Definition at line 224 of file DirImViewer3D.h.

References LoadImageIdx(), max, mDoAspectRatio, and mViews.

Referenced by InitDisplayFunc().

00225     {
00226         OGLIMAGE*   im     = 0;
00227         OGLVIEW3D*  oglV3D = mViews[id];
00228 
00229         view3DSys.SetTagsTo(oglV3D, visibleTag, visible);
00230         if (!visible)
00231             view3DSys.SetImage(oglV3D,0);
00232         else if (!(im = oglV3D->im))
00233         {
00234             im = LoadImageIdx(id);
00235             view3DSys.SetImage(oglV3D, im);
00236             ReleaseOglImage(im);
00237         }
00238 
00239         if (!im) return;
00240 
00241         if (mDoAspectRatio)
00242         {
00243             float div = 100 * (1 + max(im->w, im->h)/200);
00244             oglV3D->w = im->w/div;
00245             oglV3D->h = im->h/div;
00246         }
00247 
00248         // Scale to viewer dims
00249         float tW = im->noTexScaling ? im->texW : im->w;
00250         float tH = im->noTexScaling ? im->texH : im->h;
00251         float zX = (oglV3D->w)*(tW/im->w);
00252         float zY = (oglV3D->h)*(tH/im->h);
00253         view3DSys.SetZoom(oglV3D, zX, zY);
00254     }

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