mitab_capi.cpp

mitab,读取MapInfo的地图文件

mitab_c_get_text_height( mitab_feature feature )
    
{
    TABText     *poFeature = (TABText *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        return poFeature->GetTextBoxHeight();
    }
    return 0.0;
}

/************************************************************************/
/*                       mitab_c_get_text_width()                       */
/************************************************************************/

/**
 * Fetch a TABFC_Text object's MBR width property.
 *
 * @param feature the mitab_feature object.
 * @return  the width of the text's MBR in ground units.
 */

double MITAB_STDCALL
mitab_c_get_text_width( mitab_feature feature )
    
{
    TABText     *poFeature = (TABText *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        return poFeature->GetTextBoxWidth();
    }
    return 0.0;
}

/************************************************************************/
/*                      mitab_c_get_text_fgcolor()                      */
/************************************************************************/

/**
 * Fetch a TABFC_Text object's foreground color property.
 *
 * @param feature the mitab_feature object.
 * @return the text foreground color (24 bits RGB value).
 */

int MITAB_STDCALL
mitab_c_get_text_fgcolor( mitab_feature feature )
    
{
    TABText     *poFeature = (TABText *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        return poFeature->GetFontFGColor();
    }
    return 0x000000;
}

/************************************************************************/
/*                      mitab_c_get_text_bgcolor()                      */
/************************************************************************/

/**
 * Fetch a TABFC_Text object's background color property.
 *
 * @param feature the mitab_feature object.
 * @return the text background color (24 bits RGB value).
 */

int MITAB_STDCALL
mitab_c_get_text_bgcolor( mitab_feature feature )
    
{
    TABText     *poFeature = (TABText *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        return poFeature->GetFontBGColor();
    }
    return 0x000000;
}

/************************************************************************/
/*                   mitab_c_get_text_justification()                   */
/************************************************************************/

/**
 * Fetch a TABFC_Text object's justification property.
 *
 * @param feature the mitab_feature object.
 * @return the text justification, one of TABTJ_Left (0), TABTJ_Center (1), or 
 *        TABTJ_Right (2).
 */

int MITAB_STDCALL
mitab_c_get_text_justification( mitab_feature feature )
    
{
    TABText     *poFeature = (TABText *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        return poFeature->GetTextJustification();
    }
    return 0;
}

/************************************************************************/
/*                      mitab_c_get_text_spacing()                      */
/************************************************************************/

/**
 * Fetch a TABFC_Text object's spacing property.
 *
 * @param feature the mitab_feature object.
 * @return the text spacing, one of TABTS_1 (0), TABTS_1_5 (1), or TABTS_2 (2).
 */

int MITAB_STDCALL
mitab_c_get_text_spacing( mitab_feature feature )
    
{
    TABText     *poFeature = (TABText *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        return poFeature->GetTextSpacing();
    }
    return 0;
}

/************************************************************************/
/*                     mitab_c_get_text_linetype()                      */
/************************************************************************/

/**
 * Fetch a TABFC_Text object's linetype property.
 *
 * @param feature the mitab_feature object.
 * @return the text linetype, one of TABTL_NoLine (0), TABTL_Simple (1), or 
 *        TABTL_Arrow (2).
 */

int MITAB_STDCALL
mitab_c_get_text_linetype( mitab_feature feature )
    
{
    TABText     *poFeature = (TABText *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        return poFeature->GetTextLineType();
    }
    return 0;
}

/************************************************************************/
/*                          mitab_c_set_font()                          */
/************************************************************************/

/** 
 * Set the font name in a a TABFC_Text or TABFC_FontPoint object, or set the
 * symbol name in a TABFC_CustomPoint.
 *
 * @param feature the mitab_feature object.
 * @param fontname the new font name.
 */

void MITAB_STDCALL
mitab_c_set_font( mitab_feature feature, const char * fontname )

{
    TABFeature *poFeature = (TABFeature *)feature;
    ITABFeatureFont *poFontFeature = NULL;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        poFontFeature = (TABText *) poFeature;
    }
    else if ( poFeature->GetFeatureClass() == TABFC_FontPoint )
    {
        poFontFeature = (TABFontPoint *) poFeature;
    }
    else if ( poFeature->GetFeatureClass() == TABFC_CustomPoint )
    {
        poFontFeature = (TABCustomPoint *) poFeature;
    }

    if (poFontFeature)
        poFontFeature->SetFontName( fontname );

}

/************************************************************************/
/*                          mitab_c_get_font()                          */
/************************************************************************/

/** 
 * Get the font name from a TABFC_Text or TABFC_FontPoint object, or the
 * symbol name from a TABFC_CustomPoint.
 *
 * @param feature the mitab_feature object.
 * @return the text font name.
 */

const char * MITAB_STDCALL
mitab_c_get_font( mitab_feature feature )

{
    TABFeature *poFeature = (TABFeature *)feature;
    ITABFeatureFont *poFontFeature = NULL;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        poFontFeature = (TABText *) poFeature;
    }
    else if ( poFeature->GetFeatureClass() == TABFC_FontPoint )
    {
        poFontFeature = (TABFontPoint *) poFeature;
    }
    else if ( poFeature->GetFeatureClass() == TABFC_CustomPoint )
    {
        poFontFeature = (TABCustomPoint *) poFeature;
    }

    if (poFontFeature)
        return poFontFeature->GetFontNameRef();

    return "";
}

/************************************************************************/
/*                          mitab_c_get_font_vb()                       */
/************************************************************************/

/** 
 * Get the font name from a TABFC_Text or TABFC_FontPoint object, or the
 * symbol name from a TABFC_CustomPoint. (VB Version)
 *
 * @param feature the mitab_feature object.
 * @param font string buffer to return the text font name.
 * @param l the maximum lentgh of the text string including terminating null.
 * @return the length of the text font name.
 */

int MITAB_STDCALL 
mitab_c_get_font_vb( mitab_feature feature, char * font, int l )
{
    TABFeature *poFeature = (TABFeature *)feature;

    ITABFeatureFont *poFontFeature = NULL;

    if( poFeature->GetFeatureClass() == TABFC_Text )
    {
        poFontFeature = (TABText *) poFeature;
    }
    else if ( poFeature->GetFeatureClass() == TABFC_FontPoint )
    {
        poFontFeature = (TABFontPoint *) poFeature;
    }
    else if ( poFeature->GetFeatureClass() == TABFC_CustomPoint )
    {
        poFontFeature = (TABCustomPoint *) poFeature;
    }

    if( poFontFeature )
    {
        strncpy(font, poFontFeature->GetFontNameRef(), l);
        return strlen(font);
    }

    return 0;
}


/************************************************************************/
/*                         mitab_c_set_brush()                          */
/************************************************************************/

/**
 * Set an object's brush properties.  Applies to region, ellipse and 
 * rectangle objects.
 *
 * See the MIF specs for more details on the meaning and valid values of
 * each parameter.
 *
 * @param feature the mitab_feature object.
 * @param fg_color the foreground color (24 bits RGB value).
 * @param bg_color the background color.
 * @param pattern the brush number (1 is none, 2 is solid fill, etc.).
 * @param transparent either 0 for an opaque brush (using bg color) or 1 for 
 *        transparent (ignore bg color).
 */

void MITAB_STDCALL
mitab_c_set_brush( mitab_feature feature,
                   int fg_color, int bg_color, int pattern, int transparent )

{
    TABRegion   *poFeature = (TABRegion *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Region ||
        poFeature->GetFeatureClass() == TABFC_Ellipse ||
        poFeature->GetFeatureClass() == TABFC_Rectangle )
    {
        poFeature->SetBrushFGColor( fg_color );
        poFeature->SetBrushBGColor( bg_color );
        poFeature->SetBrushPattern( pattern );
        poFeature->SetBrushTransparent( transparent );
    }
}

/************************************************************************/
/*                     mitab_c_get_brush_fgcolor()                      */
/************************************************************************/

/**
 * Get an object's brush foreground color property.  Applies to region, 
 * ellipse and rectangle objects.
 *
 * @param feature the mitab_feature object.
 * @return the brush foreground color (24 bits RGB value).
 */

int MITAB_STDCALL
mitab_c_get_brush_fgcolor( mitab_feature feature )
    
{
    TABRegion   *poFeature = (TABRegion *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Region ||
        poFeature->GetFeatureClass() == TABFC_Ellipse ||
        poFeature->GetFeatureClass() == TABFC_Rectangle )
    {
        return poFeature->GetBrushFGColor();
    }
    return 0x000000;
}

/************************************************************************/
/*                     mitab_c_get_brush_bgcolor()                      */
/************************************************************************/

/**
 * Get an object's brush background color property.  Applies to region, 
 * ellipse and rectangle objects.
 *
 * @param feature the mitab_feature object.
 * @return the brush background color (24 bits RGB value).
 */

int MITAB_STDCALL
mitab_c_get_brush_bgcolor( mitab_feature feature )
    
{
    TABRegion   *poFeature = (TABRegion *) feature;

    if( poFeature->GetFeatureClass() == TABFC_Region ||
        poFeature->GetFeatureClass() == TABFC_Ellipse ||
        poFeature->GetFeatureClass() == TABFC_Rectangle )
    {
        return poFeature->GetBrushBGColor();
    }
    return 0x000000;
}

/************************************************************************/
/*                     mitab_c_get_brush_pattern()                      */
/************************************************************************/

/**
 * Get an object's brush pattern property.  Applies to region, 
 * ellipse and rectangle objects.
 *
 * @param feature the mitab_feature object.
 * @return the brush pattern number (1 is none, 2 is solid fill, etc.).
 */

int MITAB_STDCALL
mitab_c_get_brush_pattern( mitab_feature feature )