// ****************************************************************************
//
// Function Name: RSingleSelection::DrawResizeTrackingRect( )
//
// Description: Draws the selection tracking rect for resizing.
//
// Returns: Nothing
//
// Exceptions: Memory
//
// ****************************************************************************
//
void RSingleSelection::DrawResizeTrackingFeedback( RDrawingSurface& drawingSurface,
const R2dTransform& transform,
const RRealPoint& scalingCenter,
const RRealSize& scaleFactor,
BOOLEAN fMaintainAspectRatio ) const
{
if( m_pSelectedObject->GetComponentAttributes( ).IsResizable( ) )
{
// Setup the drawing surface
drawingSurface.SetPenWidth( kSelectionOutlineWidth );
drawingSurface.SetPenStyle( kSolidPen );
// Get the components bounding rect
YComponentBoundingRect boundingRect = m_pSelectedObject->GetBoundingRect( );
// Constrain the scale factor
RRealSize constrainedScaleFactor = m_pSelectedObject->ApplyResizeConstraint( scaleFactor );
// Dont force to maintain aspect ratio if it really doesnt want to
fMaintainAspectRatio = fMaintainAspectRatio && ::AreFloatsEqual( constrainedScaleFactor.m_dx, constrainedScaleFactor.m_dy );
// Add the scale operation
boundingRect.UnrotateAndScaleAboutPoint( scalingCenter, constrainedScaleFactor, m_pSelectedObject->GetMinimumSize( ), m_pSelectedObject->GetMaximumSize( ), fMaintainAspectRatio );
// Tell the object to draw tracking feedback
m_pSelectedObject->RenderTrackingFeedback( drawingSurface, boundingRect.GetTransform( ) * transform, *GetView( ) );
}
}
// ****************************************************************************
//
// Function Name: RSingleSelection::DrawDragTrackingRect( )
//
// Description: Draws the selection tracking rect for dragging
//
// Returns: Nothing
//
// Exceptions: None
//
// ****************************************************************************
//
void RSingleSelection::DrawDragTrackingFeedback( RDrawingSurface& drawingSurface,
const R2dTransform& transform,
const RRealSize& offset ) const
{
if( m_pSelectedObject->GetComponentAttributes( ).IsMovable( ) )
{
// Setup the drawing surface
drawingSurface.SetPenWidth( kSelectionOutlineWidth );
drawingSurface.SetPenStyle( kSolidPen );
// Get the components bounding rect
YComponentBoundingRect boundingRect = m_pSelectedObject->GetBoundingRect( );
// Add the translate operation
boundingRect.Offset( offset );
// Tell the object to draw tracking feedback
m_pSelectedObject->RenderTrackingFeedback( drawingSurface, boundingRect.GetTransform( ) * transform, *GetView( ) );
}
}
void RSingleSelection::DrawRotateTrackingFeedback( RDrawingSurface& drawingSurface,
const R2dTransform& transform,
const RRealPoint& rotationCenter,
YAngle rotationAngle ) const
{
if( m_pSelectedObject->GetComponentAttributes( ).IsRotatable( ) )
{
// Setup the drawing surface
drawingSurface.SetPenWidth( kSelectionOutlineWidth );
drawingSurface.SetPenStyle( kSolidPen );
// Get the components bounding rect
YComponentBoundingRect boundingRect = m_pSelectedObject->GetBoundingRect( );
// Add the rotate operation
boundingRect.RotateAboutPoint( rotationCenter, rotationAngle );
// Tell the object to draw tracking feedback
m_pSelectedObject->RenderTrackingFeedback( drawingSurface, boundingRect.GetTransform( ) * transform, *GetView( ) );
}
}
// ****************************************************************************
//
// Function Name: RSingleSelection::Render( )
//
// Description: Draws the selection rect and handles
//
// Returns: Nothing
//
// Exceptions: Memory
//
// ****************************************************************************
//
void RSingleSelection::Render( RDrawingSurface& drawingSurface, const R2dTransform& transform, const RIntRect& rcRender, BOOLEAN fRenderIfLocked ) const
{
// Get the component attributes
const RComponentAttributes& componentAttributes = m_pSelectedObject->GetComponentAttributes( );
BOOLEAN fIsLocked = componentAttributes.IsLocked( );
if( fRenderIfLocked || !fIsLocked )
{
// Set surface attributes
drawingSurface.SetPenWidth( kSelectionOutlineWidth );
drawingSurface.SetPenStyle( kSolidPen );
RRealRect resizeHandleRect;
// Draw the resize handles
if( componentAttributes.IsResizable( FALSE ) )
{
RArray<RRealRect> rectList;
RRealSize scaleFactor( kDummyScale, kDummyScale );
scaleFactor = m_pSelectedObject->ApplyResizeConstraint( scaleFactor );
GetResizeSelectionHandle( resizeHandleRect, transform, kTopLeftResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
GetResizeSelectionHandle( resizeHandleRect, transform, kTopRightResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
GetResizeSelectionHandle( resizeHandleRect, transform, kBottomRightResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
GetResizeSelectionHandle( resizeHandleRect, transform, kBottomLeftResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
if ( !AreFloatsEqual( scaleFactor.m_dy, kConstrainedScale ) )
{
GetResizeSelectionHandle( resizeHandleRect, transform, kBottomResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
GetResizeSelectionHandle( resizeHandleRect, transform, kTopResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
}
if ( !AreFloatsEqual( scaleFactor.m_dx, kConstrainedScale ) )
{
GetResizeSelectionHandle( resizeHandleRect, transform, kRightResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
GetResizeSelectionHandle( resizeHandleRect, transform, kLeftResizeHandle, TRUE );
rectList.InsertAtEnd( resizeHandleRect );
}
RArray<RRealRect>::YIterator iterator = rectList.Start( );
RArray<RRealRect>::YIterator iteratorEnd = rectList.End( );
if( fIsLocked )
{
while ( iterator != iteratorEnd )
drawingSurface.FrameRectangle( *iterator++ );
}
else
{
while ( iterator != iteratorEnd )
drawingSurface.FillRectangle( *iterator++ );
}
}
// Draw the rotate line and handle
if( componentAttributes.IsRotatable( ) )
DrawRotateHandle( drawingSurface, transform, rcRender );
// Draw the selection frame
m_pSelectedObject->DrawSelectionFrame( drawingSurface, transform );
}
}
