C++ (Cpp) gimp_vector_2d_to_3d Examples

Example #1

File: lighting_preview.c Project: Amerekanets/gimp

void
update_light (gint xpos, gint ypos)
{
  gint startx, starty, pw, ph;
  GimpVector3  vp;
  gint         k = mapvals.light_selected;

  compute_preview_rectangle (&startx, &starty, &pw, &ph);

  vp = mapvals.viewpoint;
  vp.z = -vp.z;

  switch (mapvals.lightsource[k].type)
    {
    case        NO_LIGHT:
      break;
    case        POINT_LIGHT:
    case        SPOT_LIGHT:
      gimp_vector_2d_to_3d (startx,
                            starty,
                            pw,
                            ph,
                            xpos, ypos, &vp, &mapvals.lightsource[k].position);
      break;
    case DIRECTIONAL_LIGHT:
      gimp_vector_2d_to_3d (startx,
                            starty,
                            pw,
                            ph,
                            xpos, ypos, &vp, &mapvals.lightsource[k].direction);
      break;
    }
}

Example #2

File: map-object-preview.c Project: jdburton/gimp-osx

void
update_light (gint xpos,
	      gint ypos)
{
  gint    startx, starty, pw, ph;

  pw     = PREVIEW_WIDTH * mapvals.zoom;
  ph     = PREVIEW_HEIGHT * mapvals.zoom;
  startx = (PREVIEW_WIDTH  - pw) / 2;
  starty = (PREVIEW_HEIGHT - ph) / 2;

  gimp_vector_2d_to_3d (startx, starty, pw, ph, xpos, ypos,
			&mapvals.viewpoint, &mapvals.lightsource.position);
  draw_lights (startx, starty,pw, ph);
}