Exemplos de CWKSP_Map_DC::IMG_Draw_Begin em C++ (Cpp)

Exemplo n.º 1

Arquivo: wksp_tin.cpp Projeto: johanvdw/SAGA-GIS-git-mirror

//---------------------------------------------------------
void CWKSP_TIN::_Draw_Triangles(CWKSP_Map_DC &dc_Map)
{
	if(	m_Parameters("DISPLAY_TRIANGES")->asBool() && dc_Map.IMG_Draw_Begin(m_Parameters("DISPLAY_TRANSPARENCY")->asDouble() / 100.0) )
	{
		for(int iTriangle=0; iTriangle<asTIN()->Get_Triangle_Count(); iTriangle++)
		{
			CSG_TIN_Triangle	*pTriangle	= asTIN()->Get_Triangle(iTriangle);

			if( dc_Map.m_rWorld.Intersects(pTriangle->Get_Extent()) != INTERSECTION_None )
			{
				TPoint	p[3];

				for(int iNode=0; iNode<3; iNode++)
				{
					CSG_TIN_Node	*pNode	= pTriangle->Get_Node(iNode);
					TSG_Point_Int	Point	= dc_Map.World2DC(pNode->Get_Point());

					p[iNode].x	= Point.x;
					p[iNode].y	= Point.y;
					p[iNode].z	= pNode->asDouble(m_fValue);
				}

				_Draw_Triangle(dc_Map, p);
			}
		}

		dc_Map.IMG_Draw_End();
	}
}

Exemplo n.º 2

Arquivo: wksp_pointcloud.cpp Projeto: am2222/SAGA-GIS

//---------------------------------------------------------
void CWKSP_PointCloud::On_Draw(CWKSP_Map_DC &dc_Map, bool bEdit)
{
	if( Get_Extent().Intersects(dc_Map.m_rWorld) != INTERSECTION_None && dc_Map.IMG_Draw_Begin(m_Parameters("DISPLAY_TRANSPARENCY")->asDouble() / 100.0) )
	{
		_Draw_Points	(dc_Map);

		dc_Map.IMG_Draw_End();
	}
}