///////////////////////////////////////////////////////////////////////////////
// Eine MapInfodatei öffnen
HRESULT CMiTabDatasource::OpenFile(const char *pszNewName, bool fUpdate, bool fTestOpen)
{
_ASSERTE(NULL != pszNewName);
if (NULL == pszNewName)
return E_POINTER;
mitab_handle hMIF = NULL;
#if defined(_READWRITE)
if (fUpdate)
hMIF = mitab_c_create(pszNewName, NULL, NULL, 0.0, 0.0, 0.0, 0.0);
else
#endif // defined(_READWRITE)
hMIF = mitab_c_open (pszNewName);
if (NULL == hMIF)
return S_FALSE;
// Extract the basename of the file.
COM_TRY {
// Create the layer object and add layer to data source layer list.
os_path path (pszNewName);
m_Layers.push_back (new CMiTabLayer(path.base().c_str(), hMIF, fUpdate));
} COM_CATCH;
return S_OK;
}
static void WriteFile( const char * pszDest, const char * pszMifOrTab )
{
mitab_handle dataset;
mitab_feature feature;
double x[100], y[100];
int field_index;
dataset = mitab_c_create( pszDest, pszMifOrTab,
"CoordSys Earth Projection 1, 0",
90, 0, 180, -180 );
if( dataset == NULL )
{
printf( "Failed to create %s file %s.\n%s\n",
pszMifOrTab, pszDest, mitab_c_getlasterrormsg() );
return;
}
/* -------------------------------------------------------------------- */
/* Add a text, float and integer field. */
/* -------------------------------------------------------------------- */
field_index = mitab_c_add_field( dataset, "TestInt",
TABFT_Integer, 8, 0 );
assert( field_index == 0 );
field_index = mitab_c_add_field( dataset, "TestFloat", TABFT_Float,
12, 2 );
assert( field_index == 1 );
field_index = mitab_c_add_field( dataset, "TestString", TABFT_Char,
10, 0 );
assert( field_index == 2 );
/* -------------------------------------------------------------------- */
/* Write a point. */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Point );
x[0] = 98;
y[0] = 50;
mitab_c_set_points( feature, 0, 1, x, y );
mitab_c_set_symbol( feature, 41, 15, 255*256 );
mitab_c_set_field( feature, 0, "100" );
mitab_c_set_field( feature, 1, "100.5" );
mitab_c_set_field( feature, 2, "12345678901234567890" );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Write a line. */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Polyline );
x[0] = 100;
y[0] = 49;
x[1] = 101;
y[1] = 48;
mitab_c_set_points( feature, 0, 2, x, y );
mitab_c_set_pen( feature, 1, 2, 255 );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Write text. */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Text );
x[0] = 101;
y[0] = 51;
mitab_c_set_points( feature, 0, 1, x, y );
mitab_c_set_text( feature, "My text" );
mitab_c_set_font( feature, "Arial" );
mitab_c_set_text_display( feature,
45.0, /* angle */
1.0, 7.0, /* Text MBR height and width */
255*65536,/* FG Color */
0, /* BG Color */
-1, -1, -1 );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Write region (polygon). */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Region );
x[0] = 101;
y[0] = 51;
x[1] = 100;
y[1] = 51;
x[2] = 100;
y[2] = 50;
x[3] = 101;
y[3] = 50;
x[4] = 101;
y[4] = 51;
mitab_c_set_points( feature, 0, 5, x, y );
x[0] = 100.5;
y[0] = 50.5;
x[1] = 100.5;
y[1] = 50.7;
x[2] = 100.7;
y[2] = 50.7;
x[3] = 100.7;
y[3] = 50.5;
x[4] = 100.5;
y[4] = 50.5;
mitab_c_set_points( feature, 1, 5, x, y );
mitab_c_set_brush( feature, 255, 0, 2, 0 );
mitab_c_set_pen( feature, 1, 2, 65535 );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Write multiple polyline (3 parts). */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Polyline );
x[0] = 111;
y[0] = 57;
x[1] = 110;
y[1] = 57;
x[2] = 110;
y[2] = 56;
mitab_c_set_points( feature, 0, 3, x, y );
x[0] = 108;
y[0] = 56;
x[1] = 109;
y[1] = 57;
mitab_c_set_points( feature, 1, 2, x, y );
x[0] = 105;
y[0] = 55;
x[1] = 105;
y[1] = 57;
x[2] = 107;
y[2] = 57;
x[3] = 107;
y[3] = 55;
mitab_c_set_points( feature, 2, 4, x, y );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Write an arc */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Arc );
mitab_c_set_arc( feature, 70, 75, 10, 5, 45, 270);
mitab_c_set_field( feature, 0, "123" );
mitab_c_set_field( feature, 1, "456" );
mitab_c_set_field( feature, 2, "12345678901234567890" );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Write an ellipse */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Ellipse );
mitab_c_set_arc( feature, 70, 75, 10, 5, 0, 0);
mitab_c_set_field( feature, 0, "1" );
mitab_c_set_field( feature, 1, "2" );
mitab_c_set_field( feature, 2, "3" );
mitab_c_set_brush( feature, 255, 0, 2, 0 );
mitab_c_set_pen( feature, 1, 2, 65535 );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Write rectangle. */
/* The MBR of the array of points will be used for the */
/* rectangle corners. */
/* -------------------------------------------------------------------- */
feature = mitab_c_create_feature( dataset, TABFC_Rectangle );
x[0] = 91;
y[0] = 61;
x[1] = 90;
y[1] = 61;
x[2] = 90;
y[2] = 60;
x[3] = 91;
y[3] = 60;
x[4] = 91;
y[4] = 61;
mitab_c_set_points( feature, 0, 5, x, y );
mitab_c_set_brush( feature, 255, 0, 2, 0 );
mitab_c_set_pen( feature, 1, 2, 65535 );
mitab_c_write_feature( dataset, feature );
mitab_c_destroy_feature( feature );
/* -------------------------------------------------------------------- */
/* Cleanup */
/* -------------------------------------------------------------------- */
mitab_c_close( dataset );
}
