C++ (Cpp) Draw_Symbol示例

示例#1

文件： wksp_shapes_points.cpp 项目： am2222/SAGA-GIS

//---------------------------------------------------------
void CWKSP_Shapes_Points::_Draw_Shape(CWKSP_Map_DC &dc_Map, CSG_Shape *pShape, bool bSelection)
{
	if( (m_iSize >= 0 && pShape->is_NoData(m_iSize)) || (m_iColor >= 0 && pShape->is_NoData(m_iColor)) )
		return;

	//-----------------------------------------------------
	int		Size;

	if( CWKSP_Shapes_Point::_Draw_Initialize(dc_Map, Size, pShape, bSelection) )
	{
		for(int iPart=0; iPart<pShape->Get_Part_Count(); iPart++)
		{
			for(int iPoint=0; iPoint<pShape->Get_Point_Count(iPart); iPoint++)
			{
				TSG_Point_Int	p	= dc_Map.World2DC(pShape->Get_Point(iPoint, iPart));

				Draw_Symbol(dc_Map.dc, p.x, p.y, Size);
			}
		}

		//-------------------------------------------------
		if( bSelection )
		{
			CWKSP_Shapes_Point::_Draw_Initialize(dc_Map);
		}
	}
}

示例#2

文件： wksp_shapes_point.cpp 项目： johanvdw/saga-debian

//---------------------------------------------------------
void CWKSP_Shapes_Point::Draw_Shape(CWKSP_Map_DC &dc_Map, CSG_Shape *pShape, int Selection)
{
	if( m_iSize >= 0 && pShape->is_NoData(m_iSize) )
	{
		return;
	}

	//-----------------------------------------------------
	int		Size;

	if( Draw_Initialize(dc_Map, Size, pShape, Selection) )
	{
		TSG_Point_Int	p(dc_Map.World2DC(pShape->Get_Point(0)));

		Draw_Symbol(dc_Map.dc, p.x, p.y, Size);

		//-------------------------------------------------
		if( Selection )
		{
			Draw_Initialize(dc_Map);
		}
	}
}