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blender-archive/source/blender/python/api2_2x/Font.c

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/*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* This is a new part of Blender.
*
* Contributor(s): Joilnen Leite
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#include "Font.h" /*This must come first*/
#include "DNA_packedFile_types.h"
#include "BKE_packedFile.h"
#include "BKE_global.h"
#include "BKE_library.h" /* for rename_id() */
#include "BLI_blenlib.h"
#include "gen_utils.h"
#include "BKE_main.h" /* so we can access G.main->vfont.first */
#include "DNA_space_types.h" /* for FILE_MAXDIR only */
extern PyObject *M_Text3d_LoadFont( PyObject * self, PyObject * args );
/*--------------------Python API function prototypes for the Font module----*/
static PyObject *M_Font_Load( PyObject * self, PyObject * args );
static PyObject *M_Font_Get( PyObject * self, PyObject * args );
/*------------------------Python API Doc strings for the Font module--------*/
char M_Font_doc[] = "The Blender Font module\n\n\
This module provides control over **Font Data** objects in Blender.\n\n\
Example::\n\n\
from Blender import Text3d.Font\n\
l = Text3d.Font.Load('/usr/share/fonts/verdata.ttf')\n";
char M_Font_Get_doc[] = "(name) - return an existing font called 'name'\
when no argument is given it returns a list of blenders fonts.";
char M_Font_Load_doc[] =
"(filename) - return font from file filename as Font Object, \
returns None if not found.\n";
/*----- Python method structure definition for Blender.Text3d.Font module---*/
struct PyMethodDef M_Font_methods[] = {
{"Get", ( PyCFunction ) M_Font_Get, METH_VARARGS, M_Font_Get_doc},
{"Load", ( PyCFunction ) M_Font_Load, METH_VARARGS, M_Font_Load_doc},
{NULL, NULL, 0, NULL}
};
/*--------------- Python BPy_Font methods declarations:-------------------*/
static PyObject *Font_pack( BPy_Font * self );
static PyObject *Font_unpack( BPy_Font * self, PyObject * args );
/*--------------- Python BPy_Font methods table:--------------------------*/
static PyMethodDef BPy_Font_methods[] = {
{"pack", ( PyCFunction ) Font_pack, METH_NOARGS,
"() - pack this Font"},
{"unpack", ( PyCFunction ) Font_unpack, METH_VARARGS,
"(mode) - unpack this packed font"},
{NULL, NULL, 0, NULL}
};
/*--------------- Python TypeFont callback function prototypes----------*/
static void Font_dealloc( BPy_Font * font );
static int Font_compare( BPy_Font * a1, BPy_Font * a2 );
static PyObject *Font_repr( BPy_Font * font );
/*--------------- Python Font Module methods------------------------*/
/*--------------- Blender.Text3d.Font.Get()-----------------------*/
static PyObject *M_Font_Get( PyObject * self, PyObject * args )
{
char *name = NULL;
VFont *vfont_iter;
if( !PyArg_ParseTuple( args, "|s", &name ) )
return ( EXPP_ReturnPyObjError( PyExc_TypeError,
"expected string argument (or nothing)" ) );
vfont_iter = G.main->vfont.first;
if( name ) { /* (name) - Search font by name */
BPy_Font *wanted_vfont = NULL;
while(vfont_iter) {
if( strcmp( name, vfont_iter->id.name + 2 ) == 0 ) {
wanted_vfont =
( BPy_Font * )
Font_CreatePyObject( vfont_iter );
break;
}
vfont_iter = vfont_iter->id.next;
}
if( wanted_vfont == NULL ) { /* Requested font doesn't exist */
char error_msg[64];
PyOS_snprintf( error_msg, sizeof( error_msg ),
"Font \"%s\" not found", name );
return ( EXPP_ReturnPyObjError
( PyExc_NameError, error_msg ) );
}
return ( PyObject * ) wanted_vfont;
}
else { /* () - return a list of all fonts in the scene */
int index = 0;
PyObject *vfontlist, *pyobj;
vfontlist = PyList_New( BLI_countlist( &( G.main->vfont ) ) );
if( vfontlist == NULL )
return ( EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create font list" ) );
while( vfont_iter ) {
pyobj = Font_CreatePyObject( vfont_iter );
if( !pyobj )
return ( EXPP_ReturnPyObjError
( PyExc_MemoryError,
"couldn't create Object" ) );
PyList_SET_ITEM( vfontlist, index, pyobj );
vfont_iter = vfont_iter->id.next;
index++;
}
return vfontlist;
}
}
/*--------------- Blender.Text3d.Font.New()-----------------------*/
PyObject *M_Font_Load( PyObject * self, PyObject * args )
{
char *filename_str;
BPy_Font *py_font = NULL; /* for Font Data object wrapper in Python */
PyObject *tmp;
if( !PyArg_ParseTuple( args, "s", &filename_str ) )
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
"expected string or empty argument" ) );
/*create python font*/
if( !S_ISDIR(BLI_exist(filename_str)) ) {
tmp= Py_BuildValue("(s)", filename_str);
py_font= (BPy_Font *) M_Text3d_LoadFont (self, Py_BuildValue("(s)", filename_str));
Py_DECREF (tmp);
}
else
return EXPP_incr_ret( Py_None );
return ( PyObject * ) py_font;
}
/*--------------- Python BPy_Font methods---------------------------*/
/*--------------- BPy_Font.getName()--------------------------------*/
static PyObject *Font_getName( BPy_Font * self )
{
PyObject *attr = NULL;
if( self->font )
attr = PyString_FromString( self->font->id.name+2 );
if( attr )
return attr;
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
"couldn't get Font.name attribute" ) );
}
/*--------------- BPy_Font.getFilename()--------------------------------*/
static PyObject *Font_getFilename( BPy_Font * self )
{
PyObject *attr = NULL;
if( self->font )
attr = PyString_FromString( self->font->name );
if( attr )
return attr;
return ( EXPP_ReturnPyObjError( PyExc_RuntimeError,
"couldn't get Font.filename attribute" ) );
}
static int Font_setName( BPy_Font * self, PyObject * value )
{
char *name = NULL;
char buf[21];
if( !(self->font) )
return EXPP_ReturnIntError( PyExc_RuntimeError,
"Blender Font was deleted!" );
name = PyString_AsString ( value );
if( !name )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected string argument" );
PyOS_snprintf( buf, sizeof( buf ), "%s", name );
rename_id( &self->font->id, buf );
return 0;
}
static int Font_setFilename( BPy_Font * self, PyObject * value )
{
char *name = NULL;
/* max len is FILE_MAXDIR = 160 chars like done in DNA_image_types.h */
name = PyString_AsString ( value );
if( !name )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected string argument" );
PyOS_snprintf( self->font->name, FILE_MAXDIR * sizeof( char ), "%s",
name );
return 0;
}
/*--------------- BPy_Font.pack()---------------------------------*/
static PyObject *Font_pack( BPy_Font * self )
{
if( !self->font->packedfile )
self->font->packedfile = newPackedFile(self->font->name);
return EXPP_incr_ret( Py_None );
}
/*--------------- BPy_Font.unpack()---------------------------------*/
static PyObject *Font_unpack( BPy_Font * self, PyObject * args )
{
int mode= 0;
VFont *font= self->font;
if( !PyArg_ParseTuple( args, "i", &mode ) )
return ( EXPP_ReturnPyObjError
( PyExc_AttributeError,
"expected int argument from Blender.UnpackModes" ) );
if (font->packedfile)
if (unpackVFont(font, mode) == RET_ERROR)
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"error unpacking font" );
return EXPP_incr_ret( Py_None );
}
/*--------------- BPy_Font.packed---------------------------------*/
static PyObject *Font_getPacked( BPy_Font * self )
{
if (G.fileflags & G_AUTOPACK)
return EXPP_incr_ret_True();
else
return EXPP_incr_ret_False();
}
static PyObject *Font_getUsers( BPy_Font* self )
{
return PyInt_FromLong( self->font->id.us );
}
/*****************************************************************************/
/* Python attributes get/set structure: */
/*****************************************************************************/
static PyGetSetDef BPy_Font_getseters[] = {
{"name",
(getter)Font_getName, (setter)Font_setName,
"Font name",
NULL},
{"filename",
(getter)Font_getFilename, (setter)Font_setFilename,
"Font filepath",
NULL},
{"users",
(getter)Font_getUsers, (setter)NULL,
"Number of font users",
NULL},
{"packed",
(getter)Font_getPacked, (setter)NULL,
"Packed status",
NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
/*****************************************************************************/
/* Python TypeFont structure definition: */
/*****************************************************************************/
PyTypeObject Font_Type = {
PyObject_HEAD_INIT( NULL ) /* required py macro */
0, /* ob_size */
/* For printing, in format "<module>.<name>" */
"Blender Font", /* char *tp_name; */
sizeof( BPy_Font ), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
( destructor ) Font_dealloc,/* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
( cmpfunc ) Font_compare, /* cmpfunc tp_compare; */
( reprfunc ) Font_repr, /* reprfunc tp_repr; */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
NULL, /* PySequenceMethods *tp_as_sequence; */
NULL, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
NULL, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
NULL, /* reprfunc tp_str; */
NULL, /* getattrofunc tp_getattro; */
NULL, /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
BPy_Font_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
BPy_Font_getseters, /* struct PyGetSetDef *tp_getset; */
NULL, /* struct _typeobject *tp_base; */
NULL, /* PyObject *tp_dict; */
NULL, /* descrgetfunc tp_descr_get; */
NULL, /* descrsetfunc tp_descr_set; */
0, /* long tp_dictoffset; */
NULL, /* initproc tp_init; */
NULL, /* allocfunc tp_alloc; */
NULL, /* newfunc tp_new; */
/* Low-level free-memory routine */
NULL, /* freefunc tp_free; */
/* For PyObject_IS_GC */
NULL, /* inquiry tp_is_gc; */
NULL, /* PyObject *tp_bases; */
/* method resolution order */
NULL, /* PyObject *tp_mro; */
NULL, /* PyObject *tp_cache; */
NULL, /* PyObject *tp_subclasses; */
NULL, /* PyObject *tp_weaklist; */
NULL
};
/*--------------- Font Module Init-----------------------------*/
PyObject *Font_Init( void )
{
PyObject *submodule;
if( PyType_Ready( &Font_Type ) < 0 )
return NULL;
submodule = Py_InitModule3( "Blender.Text3d.Font",
M_Font_methods, M_Font_doc );
return ( submodule );
}
/*--------------- Font module internal callbacks-----------------*/
/*---------------BPy_Font internal callbacks/methods-------------*/
//--------------- dealloc------------------------------------------
static void Font_dealloc( BPy_Font * self )
{
PyObject_DEL( self );
}
/*--------------- repr---------------------------------------------*/
static PyObject *Font_repr( BPy_Font * self )
{
if( self->font )
return PyString_FromFormat( "[Font \"%s\"]",
self->font->id.name+2 );
else
return PyString_FromString( "NULL" );
}
/*--------------- compare------------------------------------------*/
static int Font_compare( BPy_Font * a, BPy_Font * b )
{
return ( a->font == b->font ) ? 0 : -1;
}
/*--------------- Font_CreatePyObject---------------------------------*/
PyObject *Font_CreatePyObject( struct VFont * font )
{
BPy_Font *blen_font;
blen_font = ( BPy_Font * ) PyObject_NEW( BPy_Font, &Font_Type );
blen_font->font = font;
return ( ( PyObject * ) blen_font );
}
/*--------------- Font_CheckPyObject--------------------------------*/
int Font_CheckPyObject( PyObject * py_obj )
{
return ( py_obj->ob_type == &Font_Type );
}
/*--------------- Font_FromPyObject---------------------------------*/
struct VFont *Font_FromPyObject( PyObject * py_obj )
{
BPy_Font *blen_obj;
blen_obj = ( BPy_Font * ) py_obj;
if( !( ( BPy_Font * ) py_obj )->font ) { /*test to see if linked to text3d*/
//use python vars
return NULL;
} else {
return ( blen_obj->font );
}
}
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