C++ OGRStyleTool::SetUnit方法代码示例

本文整理汇总了C++中OGRStyleTool::SetUnit方法的典型用法代码示例。如果您正苦于以下问题：C++ OGRStyleTool::SetUnit方法的具体用法？C++ OGRStyleTool::SetUnit怎么用？C++ OGRStyleTool::SetUnit使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类OGRStyleTool的用法示例。

在下文中一共展示了OGRStyleTool::SetUnit方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: WriteTEXT

OGRErr OGRDXFWriterLayer::WriteTEXT( OGRFeature *poFeature )

{
    WriteValue( 0, "MTEXT" );
    WriteCore( poFeature );
    WriteValue( 100, "AcDbEntity" );
    WriteValue( 100, "AcDbMText" );

/* -------------------------------------------------------------------- */
/*      Do we have styling information?                                 */
/* -------------------------------------------------------------------- */
    OGRStyleTool *poTool = nullptr;
    OGRStyleMgr oSM;

    if( poFeature->GetStyleString() != nullptr )
    {
        oSM.InitFromFeature( poFeature );

        if( oSM.GetPartCount() > 0 )
            poTool = oSM.GetPart(0);
    }

/* ==================================================================== */
/*      Process the LABEL tool.                                         */
/* ==================================================================== */
    double dfDx = 0.0;
    double dfDy = 0.0;

    if( poTool && poTool->GetType() == OGRSTCLabel )
    {
        OGRStyleLabel *poLabel = (OGRStyleLabel *) poTool;
        GBool  bDefault;

/* -------------------------------------------------------------------- */
/*      Color                                                           */
/* -------------------------------------------------------------------- */
        if( poLabel->ForeColor(bDefault) != nullptr && !bDefault )
            WriteValue( 62, ColorStringToDXFColor(
                            poLabel->ForeColor(bDefault) ) );

/* -------------------------------------------------------------------- */
/*      Angle                                                           */
/* -------------------------------------------------------------------- */
        const double dfAngle = poLabel->Angle(bDefault);

        if( !bDefault )
            WriteValue( 50, dfAngle );

/* -------------------------------------------------------------------- */
/*      Height - We need to fetch this in georeferenced units - I'm     */
/*      doubt the default translation mechanism will be much good.      */
/* -------------------------------------------------------------------- */
        poTool->SetUnit( OGRSTUGround );
        const double dfHeight = poLabel->Size(bDefault);

        if( !bDefault )
            WriteValue( 40, dfHeight );

/* -------------------------------------------------------------------- */
/*      Anchor / Attachment Point                                       */
/* -------------------------------------------------------------------- */
        const int nAnchor = poLabel->Anchor(bDefault);

        if( !bDefault )
        {
            const static int anAnchorMap[] =
                { -1, 7, 8, 9, 4, 5, 6, 1, 2, 3, 7, 8, 9 };

            if( nAnchor > 0 && nAnchor < 13 )
                WriteValue( 71, anAnchorMap[nAnchor] );
        }

/* -------------------------------------------------------------------- */
/*      Offset                                                          */
/* -------------------------------------------------------------------- */
        dfDx = poLabel->SpacingX(bDefault);
        dfDy = poLabel->SpacingY(bDefault);

/* -------------------------------------------------------------------- */
/*      Escape the text, and convert to ISO8859.                        */
/* -------------------------------------------------------------------- */
        const char *pszText = poLabel->TextString( bDefault );

        if( pszText != nullptr && !bDefault )
        {
            CPLString osEscaped = TextEscape( pszText );
            while( osEscaped.size() > 250 )
            {
                WriteValue( 3, osEscaped.substr( 0, 250 ).c_str() );
                osEscaped.erase( 0, 250 );
            }
            WriteValue( 1, osEscaped );
        }

/* -------------------------------------------------------------------- */
/*      Store the text style in the map.                                */
/* -------------------------------------------------------------------- */
        std::map<CPLString, CPLString> oTextStyleDef =
            PrepareTextStyleDefinition( poLabel );
        CPLString osStyleName;
//.........这里部分代码省略.........

开发者ID:OSGeo，项目名称:gdal，代码行数:101，代码来源:ogrdxfwriterlayer.cpp

示例2: WriteTEXT

OGRErr OGRDXFWriterLayer::WriteTEXT( OGRFeature *poFeature )

{
    WriteValue( 0, "MTEXT" );
    WriteCore( poFeature );
    WriteValue( 100, "AcDbEntity" );
    WriteValue( 100, "AcDbMText" );

/* -------------------------------------------------------------------- */
/*      Do we have styling information?                                 */
/* -------------------------------------------------------------------- */
    OGRStyleTool *poTool = NULL;
    OGRStyleMgr oSM;

    if( poFeature->GetStyleString() != NULL )
    {
        oSM.InitFromFeature( poFeature );

        if( oSM.GetPartCount() > 0 )
            poTool = oSM.GetPart(0);
    }

/* ==================================================================== */
/*      Process the LABEL tool.                                         */
/* ==================================================================== */
    if( poTool && poTool->GetType() == OGRSTCLabel )
    {
        OGRStyleLabel *poLabel = (OGRStyleLabel *) poTool;
        GBool  bDefault;

/* -------------------------------------------------------------------- */
/*      Color                                                           */
/* -------------------------------------------------------------------- */
        if( poLabel->ForeColor(bDefault) != NULL && !bDefault )
            WriteValue( 62, ColorStringToDXFColor( 
                            poLabel->ForeColor(bDefault) ) );

/* -------------------------------------------------------------------- */
/*      Angle                                                           */
/* -------------------------------------------------------------------- */
        double dfAngle = poLabel->Angle(bDefault);

        // The DXF2000 reference says this is in radians, but in files
        // I see it seems to be in degrees. Perhaps this is version dependent?
        if( !bDefault )
            WriteValue( 50, dfAngle );

/* -------------------------------------------------------------------- */
/*      Height - We need to fetch this in georeferenced units - I'm     */
/*      doubt the default translation mechanism will be much good.      */
/* -------------------------------------------------------------------- */
        poTool->SetUnit( OGRSTUGround );
        double dfHeight = poLabel->Size(bDefault);

        if( !bDefault )
            WriteValue( 40, dfHeight );

/* -------------------------------------------------------------------- */
/*      Anchor / Attachment Point                                       */
/* -------------------------------------------------------------------- */
        int nAnchor = poLabel->Anchor(bDefault);
        
        if( !bDefault )
        {
            const static int anAnchorMap[] = 
                { -1, 7, 8, 9, 4, 5, 6, 1, 2, 3, 7, 8, 9 };

            if( nAnchor > 0 && nAnchor < 13 )
                WriteValue( 71, anAnchorMap[nAnchor] );
        }

/* -------------------------------------------------------------------- */
/*      Escape the text, and convert to ISO8859.                        */
/* -------------------------------------------------------------------- */
        const char *pszText = poLabel->TextString( bDefault );

        if( pszText != NULL && !bDefault )
        {
            CPLString osEscaped = TextEscape( pszText );
            WriteValue( 1, osEscaped );
        }
    }

    delete poTool;

/* -------------------------------------------------------------------- */
/*      Write the location.                                             */
/* -------------------------------------------------------------------- */
    OGRPoint *poPoint = (OGRPoint *) poFeature->GetGeometryRef();

    WriteValue( 10, poPoint->getX() );
    if( !WriteValue( 20, poPoint->getY() ) ) 
        return OGRERR_FAILURE;

    if( poPoint->getGeometryType() == wkbPoint25D )
    {
        if( !WriteValue( 30, poPoint->getZ() ) )
            return OGRERR_FAILURE;
    }
    
//.........这里部分代码省略.........

开发者ID:rashadkm，项目名称:lib_gdal，代码行数:101，代码来源:ogrdxfwriterlayer.cpp

注：本文中的OGRStyleTool::SetUnit方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。