//----------------------------------------------------------------------------
bool WmtfViewer::OnMotion (int, int x, int y, unsigned int)
{
if (mMouseDown)
{
ReadPixelValue(x, y);
OnDisplay();
return true;
}
return false;
}
//----------------------------------------------------------------------------
bool ImViewer::OnSpecialKeyDown (int key, int x, int y)
{
if (mNumDimensions != 3)
{
return false;
}
if (key == KEY_UP_ARROW)
{
// Up arrow pressed, go to next image slize.
if (mZ < mBound[2] - 1)
{
++mZ;
CopySliceToScreen();
if (mMouseDown)
{
ReadPixelValue(x, y);
}
OnDisplay();
}
return true;
}
if (key == KEY_DOWN_ARROW)
{
// Down arrow pressed, go to previous image slice.
if (mZ > 0)
{
--mZ;
CopySliceToScreen();
if (mMouseDown)
{
ReadPixelValue(x, y);
}
OnDisplay();
}
return true;
}
return false;
}
//----------------------------------------------------------------------------
bool WmtfViewer::OnMouseClick (int button, int state, int x, int y,
unsigned int)
{
if (button == MOUSE_LEFT_BUTTON)
{
if (state == MOUSE_DOWN)
{
mMouseDown = true;
ReadPixelValue(x, y);
OnDisplay();
return true;
}
if (state == MOUSE_UP)
{
mMouseDown = false;
ReadPixelValue(-1, -1);
OnDisplay();
return true;
}
}
return false;
}
//----------------------------------------------------------------------------
bool WmtfViewer::OnKeyDown (unsigned char key, int x, int y)
{
switch (key)
{
case 'a':
case 'A':
mAlphaActive = !mAlphaActive;
CopySliceToScreen();
if (mMouseDown)
{
ReadPixelValue(x, y);
}
OnDisplay();
return true;
}
return WindowApplication2::OnKeyDown(key, x, y);
}
