tabmapobjfontpoint.cpp

来自「linux下一款GIS程序源码」· C++ 代码 · 共 55 行

// tabmapobjfontpoint.cpp: implementation of the TABMAPObjFontPoint class.
//
//////////////////////////////////////////////////////////////////////

#include "tabmapobjfontpoint.h"

#include "ugk_errhandle.h"
/**********************************************************************
 *                   TABMAPObjFontPoint::ReadObj()
 *
 * Read Object information starting after the object id
 **********************************************************************/
int TABMAPObjFontPoint::ReadObj(TABMAPObjectBlock *poObjBlock)
{
//__TODO__  For now this is read directly in ReadGeometryFromMAPFile()
//          This will be implemented the day we support random update.
    return 0;
}

/**********************************************************************
 *                   TABMAPObjFontPoint::WriteObj()
 *
 * Write Object information with the type+object id
 *
 * Returns 0 on success, -1 on error.
 **********************************************************************/
int TABMAPObjFontPoint::WriteObj(TABMAPObjectBlock *poObjBlock)
{
    // Write object type and id
    TABMAPObjHdr::WriteObjTypeAndId(poObjBlock);

    poObjBlock->WriteByte(m_nSymbolId);   // symbol shape
    poObjBlock->WriteByte(m_nPointSize);
    poObjBlock->WriteInt16(m_nFontStyle);            // font style

    poObjBlock->WriteByte( m_nR );
    poObjBlock->WriteByte( m_nG );
    poObjBlock->WriteByte( m_nB );

    poObjBlock->WriteByte( 0 );
    poObjBlock->WriteByte( 0 );
    poObjBlock->WriteByte( 0 );
    
    poObjBlock->WriteInt16(m_nAngle);

    poObjBlock->WriteIntCoord(m_nX, m_nY, IsCompressedType());

    poObjBlock->WriteByte(m_nFontId);      // Font name index

    if (UGKGetLastErrorNo() != 0)
        return -1;

    return 0;
}