MsgResult TEMPLATESGallery::Message(Msg* Message)
{
if (IS_OUR_DIALOG_MSG(Message))
{
DialogMsg* Msg = (DialogMsg*)Message;
switch (Msg->DlgMsg)
{
case DIM_CREATE:
SGInit::UpdateGalleryButton(OPTOKEN_DISPLAYTEMPLATEGALLERY, TRUE);
break;
case DIM_CANCEL:
SGInit::UpdateGalleryButton(OPTOKEN_DISPLAYTEMPLATEGALLERY, FALSE);
break;
}
return(SuperGallery::Message(Message));
}
// If we have no displaytree, then we have not been shown, or something terrible has
// happened, so we don't bother handling any of these messages.
if (DisplayTree == NULL)
return(SuperGallery::Message(Message));
// **** TO DO ****
// Just another note: Most galleries ignore most messages when closed (!IsVisible())
// This means that they must re-create themselves properly to get back up to date
// when they are opened - this is done in the PostCreate handler. If you wish to
// respond to messages to keep up to date while closed, you should address the
// default code in the PostCreate handler as well.
if (IsVisible() && MESSAGE_IS_A(Message, DocChangingMsg))
{
DocChangingMsg *TheMsg = (DocChangingMsg *) Message;
switch ( TheMsg->State )
{
case DocChangingMsg::DocState::BORN: // New document - add to display tree
{
INT32 Extent = GetDisplayExtent(); // Remember previous list extent
CreateNewSubtree(TheMsg->pChangingDoc); // Add a subtree for this doc
ShadeGallery(FALSE); // Unshade the gallery
InvalidateCachedFormat(); // And redraw what is necessary
RedrawEverythingBelow(-Extent);
}
break; // Pass this message on to the base class as well
}
}
return(SuperGallery::Message(Message));
}
void WITVolumeViz::ActiveImageExtents(double transPts[4][3], double transNormal[4])
{
// get the active image extents
double pts[4][3];
int displayExtent[6];
double planeNormal[4]= {0,0,0,0};
uint dim[4];
// get the image dimensions
_vol->getDimension (dim[0], dim[1], dim[2], dim[3]);
DTIVoxel lPos = DTIVoxel(3);
// map position from ACPC to 3d world space
WorldToLocal(_vol->getTransformMatrix(), _vPos, dim, lPos);
memset(pts, 0, sizeof(double)*4*3);
int i = ActiveImage();
GetDisplayExtent ((DTISceneActorID)i,displayExtent);
for (int j = 0; j < 4; j++)
pts[j][i] = lPos[i];
planeNormal[i] = 1;
// get the 4 corners depending on which image plane is selected
switch (ActiveImage())
{
case DTI_ACTOR_SAGITTAL_TOMO:
pts[1][1] = displayExtent[3];
pts[2][1] = displayExtent[3];
pts[2][2] = displayExtent[5];
pts[3][2] = displayExtent[5];
break;
case DTI_ACTOR_CORONAL_TOMO:
pts[1][0] = displayExtent[1];
pts[2][0] = displayExtent[1];
pts[2][2] = displayExtent[5];
pts[3][2] = displayExtent[5];
break;
case DTI_ACTOR_AXIAL_TOMO:
pts[1][0] = displayExtent[1];
pts[2][0] = displayExtent[1];
pts[2][1] = displayExtent[3];
pts[3][1] = displayExtent[3];
break;
default:
break;
};
vtkMatrix4x4 *mx = GetUserMatrix();
// map the points from 3d world space to ACPC space
for (int i = 0; i < 4; i++)
{
double fooIn[4] = {pts[i][0], pts[i][1], pts[i][2], 1};
double fooOut[4];
mx->MultiplyPoint (fooIn, fooOut);
transPts[i][0] = fooOut[0];
transPts[i][1] = fooOut[1];
transPts[i][2] = fooOut[2];
}
// inverse of transpose:
vtkMatrix4x4 *invertedMx = vtkMatrix4x4::New();
vtkMatrix4x4 *transposedMx = vtkMatrix4x4::New();
mx->Invert (mx, invertedMx);
mx->Transpose (invertedMx, transposedMx);
mx->MultiplyPoint (planeNormal, transNormal);
transposedMx->Delete();
invertedMx->Delete();
}
