void RRotateDialog::DeriveSourceAndDestinationRects( const RIntSize& sizeBmpRotated, RIntRect& rectSource, RIntRect& rectDest )
{
rectSource.m_Left = 0;
rectSource.m_Top = 0;
rectSource.m_Right = sizeBmpRotated.m_dx;
rectSource.m_Bottom = sizeBmpRotated.m_dy;
RIntPoint ptSourceCenter;
ptSourceCenter.m_x = sizeBmpRotated.m_dx / 2;
ptSourceCenter.m_y = sizeBmpRotated.m_dy / 2;
rectDest = rectSource;
YFloatType flHorzCropFactor = 1.F;
YFloatType flVertCropFactor = 1.F;
if ( sizeBmpRotated.m_dx > m_rSizeStaticDisplay.m_dx )
{
flHorzCropFactor = 1.F - YFloatType( sizeBmpRotated.m_dx - m_rSizeStaticDisplay.m_dx ) / YFloatType( sizeBmpRotated.m_dx );
rectDest.m_Right = YIntCoordinate( YFloatType( rectDest.m_Right ) * flHorzCropFactor );
}
if ( sizeBmpRotated.m_dy > m_rSizeStaticDisplay.m_dy )
{
flVertCropFactor = 1.F - YFloatType( sizeBmpRotated.m_dy - m_rSizeStaticDisplay.m_dy ) / YFloatType( sizeBmpRotated.m_dy );
rectDest.m_Bottom = YIntCoordinate( YFloatType( rectDest.m_Bottom ) * flVertCropFactor );
}
rectDest.Offset( RIntSize(
m_rPtStaticCenter.m_x - YIntCoordinate( YFloatType( rectDest.Width() ) / 2.F ),
m_rPtStaticCenter.m_y - YIntCoordinate( YFloatType( rectDest.Height() ) / 2.F ) )
);
if ( flHorzCropFactor < 1.F )
{
YIntDimension iHorzSrcCropDistance = YIntDimension( ( 1.F - flHorzCropFactor ) * YFloatType( rectSource.m_Right ) / 2.F );
rectSource.m_Left += iHorzSrcCropDistance;
rectSource.m_Right -= iHorzSrcCropDistance;
}
if ( flVertCropFactor < 1.F )
{
YIntDimension iVertSrcCropDistance = YIntDimension( ( 1.F - flVertCropFactor ) * YFloatType( rectSource.m_Bottom ) / 2.F );
rectSource.m_Top += iVertSrcCropDistance;
rectSource.m_Bottom -= iVertSrcCropDistance;
}
}
// ****************************************************************************
//
// Function Name: RSingleSelection::GetResizeSelectionHandle( )
//
// Description: Retrieves a vector rect representing requested resize handle.
//
// Returns: Nothing
//
// Exceptions: Memory
//
// ****************************************************************************
//
void RSingleSelection::GetResizeSelectionHandle( RRealRect& rHandle, const R2dTransform& transform, EHitLocation eHit, BOOLEAN fRender ) const
{
RRealPoint point;
YSelectionBoundingRect boundingRect;
RIntSize outsetSize = (fRender)? RRealSize( kCornerResizeHandleRenderSize, kCornerResizeHandleRenderSize ) :
RRealSize( kResizeHandleHitSize, kResizeHandleHitSize );
// Get the bounding rectangle
GetSelectionBoundingRect( boundingRect );
// Get the proper point to transform
switch ( eHit )
{
case kLeftResizeHandle:
::midpoint( point, boundingRect.m_TopLeft, boundingRect.m_BottomLeft );
outsetSize.m_dx = Max( kEdgeResizeHandleRenderSize, YIntDimension(outsetSize.m_dx/2) );
break;
case kTopResizeHandle:
::midpoint( point, boundingRect.m_TopLeft, boundingRect.m_TopRight );
outsetSize.m_dy = Max( kEdgeResizeHandleRenderSize, YIntDimension(outsetSize.m_dy/2) );
break;
case kRightResizeHandle:
::midpoint( point, boundingRect.m_TopRight, boundingRect.m_BottomRight );
outsetSize.m_dx = Max( kEdgeResizeHandleRenderSize, YIntDimension(outsetSize.m_dx/2) );
break;
case kBottomResizeHandle:
::midpoint( point, boundingRect.m_BottomLeft, boundingRect.m_BottomRight );
outsetSize.m_dy = Max( kEdgeResizeHandleRenderSize, YIntDimension(outsetSize.m_dy/2) );
break;
case kTopLeftResizeHandle:
point = boundingRect.m_TopLeft;
break;
case kTopRightResizeHandle:
point = boundingRect.m_TopRight;
break;
case kBottomLeftResizeHandle:
point = boundingRect.m_BottomLeft;
break;
case kBottomRightResizeHandle:
point = boundingRect.m_BottomRight;
break;
default :
TpsAssertAlways( "Asking for the selection handle of invalid type" );
point = boundingRect.GetCenterPoint();
}
RIntSize halfOutset( outsetSize.m_dx/2, outsetSize.m_dy/2);
::LogicalUnitsToDeviceUnits( point, *m_pView );
rHandle.m_Left = point.m_x - halfOutset.m_dx;
rHandle.m_Top = point.m_y - halfOutset.m_dy;
rHandle.m_Right = point.m_x + outsetSize.m_dx - halfOutset.m_dx;
rHandle.m_Bottom = point.m_y + outsetSize.m_dy - halfOutset.m_dy;
::DeviceUnitsToLogicalUnits( rHandle, *m_pView );
rHandle *= transform;
}
