b777b23e07
- Fix incorrect usage of PySequence_Fast_GET_ITEM() - make EXPP_setFloatRange() convert its argument to float instead of short
422 lines
14 KiB
C
422 lines
14 KiB
C
/*
|
|
* $Id$
|
|
*
|
|
* ***** 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): Willian P. Germano
|
|
*
|
|
* ***** END GPL/BL DUAL LICENSE BLOCK *****
|
|
*/
|
|
|
|
#include "rgbTuple.h" /*This must come first */
|
|
|
|
#include "gen_utils.h"
|
|
|
|
/* This file is heavily based on the old bpython Constant object code in
|
|
Blender */
|
|
|
|
/*****************************************************************************/
|
|
/* Python rgbTuple_Type callback function prototypes: */
|
|
/*****************************************************************************/
|
|
static void rgbTuple_dealloc( BPy_rgbTuple * self );
|
|
static PyObject *rgbTuple_getAttr( BPy_rgbTuple * self, char *name );
|
|
static int rgbTuple_setAttr( BPy_rgbTuple * self, char *name, PyObject * v );
|
|
static PyObject *rgbTuple_repr( BPy_rgbTuple * self );
|
|
|
|
static int rgbTupleLength( void );
|
|
|
|
static PyObject *rgbTupleSubscript( BPy_rgbTuple * self, PyObject * key );
|
|
static int rgbTupleAssSubscript( BPy_rgbTuple * self, PyObject * who,
|
|
PyObject * cares );
|
|
|
|
static PyObject *rgbTupleItem( BPy_rgbTuple * self, int i );
|
|
static int rgbTupleAssItem( BPy_rgbTuple * self, int i, PyObject * ob );
|
|
static PyObject *rgbTupleSlice( BPy_rgbTuple * self, int begin, int end );
|
|
static int rgbTupleAssSlice( BPy_rgbTuple * self, int begin, int end,
|
|
PyObject * seq );
|
|
|
|
/*****************************************************************************/
|
|
/* Python rgbTuple_Type Mapping Methods table: */
|
|
/*****************************************************************************/
|
|
static PyMappingMethods rgbTupleAsMapping = {
|
|
( inquiry ) rgbTupleLength, /* mp_length */
|
|
( binaryfunc ) rgbTupleSubscript, /* mp_subscript */
|
|
( objobjargproc ) rgbTupleAssSubscript, /* mp_ass_subscript */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Python rgbTuple_Type Sequence Methods table: */
|
|
/*****************************************************************************/
|
|
static PySequenceMethods rgbTupleAsSequence = {
|
|
( inquiry ) rgbTupleLength, /* sq_length */
|
|
( binaryfunc ) 0, /* sq_concat */
|
|
( intargfunc ) 0, /* sq_repeat */
|
|
( intargfunc ) rgbTupleItem, /* sq_item */
|
|
( intintargfunc ) rgbTupleSlice, /* sq_slice */
|
|
( intobjargproc ) rgbTupleAssItem, /* sq_ass_item */
|
|
( intintobjargproc ) rgbTupleAssSlice, /* sq_ass_slice */
|
|
0,0,0
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Python rgbTuple_Type structure definition: */
|
|
/*****************************************************************************/
|
|
PyTypeObject rgbTuple_Type = {
|
|
PyObject_HEAD_INIT( NULL )
|
|
0, /* ob_size */
|
|
"rgbTuple", /* tp_name */
|
|
sizeof( BPy_rgbTuple ), /* tp_basicsize */
|
|
0, /* tp_itemsize */
|
|
/* methods */
|
|
( destructor ) rgbTuple_dealloc, /* tp_dealloc */
|
|
0, /* tp_print */
|
|
( getattrfunc ) rgbTuple_getAttr, /* tp_getattr */
|
|
( setattrfunc ) rgbTuple_setAttr, /* tp_setattr */
|
|
0, /* tp_compare */
|
|
( reprfunc ) rgbTuple_repr, /* tp_repr */
|
|
0, /* tp_as_number */
|
|
&rgbTupleAsSequence, /* tp_as_sequence */
|
|
&rgbTupleAsMapping, /* tp_as_mapping */
|
|
0, /* tp_as_hash */
|
|
0, 0, 0, 0, 0, 0,
|
|
0, /* tp_doc */
|
|
0, 0, 0, 0, 0, 0,
|
|
0, /* tp_methods */
|
|
0, /* tp_members */
|
|
};
|
|
|
|
/*****************************************************************************/
|
|
/* Function: rgbTuple_New */
|
|
/*****************************************************************************/
|
|
PyObject *rgbTuple_New( float *rgb[3] )
|
|
{
|
|
BPy_rgbTuple *rgbTuple;
|
|
|
|
rgbTuple_Type.ob_type = &PyType_Type;
|
|
|
|
rgbTuple =
|
|
( BPy_rgbTuple * ) PyObject_NEW( BPy_rgbTuple,
|
|
&rgbTuple_Type );
|
|
|
|
if( rgbTuple == NULL )
|
|
return EXPP_ReturnPyObjError( PyExc_MemoryError,
|
|
"couldn't create rgbTuple object" );
|
|
|
|
rgbTuple->rgb[0] = rgb[0];
|
|
rgbTuple->rgb[1] = rgb[1];
|
|
rgbTuple->rgb[2] = rgb[2];
|
|
|
|
return ( PyObject * ) rgbTuple;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Functions: rgbTuple_getCol and rgbTuple_setCol */
|
|
/* Description: These functions get/set rgb color triplet values. The */
|
|
/* get function returns a tuple, the set one accepts three */
|
|
/* floats (separated or in a tuple) as arguments. */
|
|
/*****************************************************************************/
|
|
PyObject *rgbTuple_getCol( BPy_rgbTuple * self )
|
|
{
|
|
PyObject *attr = Py_BuildValue( "[fff]", *(self->rgb[0]),
|
|
*(self->rgb[1]), *(self->rgb[2]));
|
|
if( !attr )
|
|
return EXPP_ReturnPyObjError( PyExc_MemoryError,
|
|
"Py_BuildValue() failed" );
|
|
return attr;
|
|
}
|
|
|
|
int rgbTuple_setCol( BPy_rgbTuple * self, PyObject * args )
|
|
{
|
|
int ok = 0;
|
|
int i;
|
|
float num[3]={0,0,0};
|
|
|
|
/*
|
|
* since rgbTuple_getCol() returns a list, be sure we accept a list
|
|
* as valid input
|
|
*/
|
|
|
|
if( PyObject_Length( args ) == 3 ) {
|
|
if ( PyList_Check ( args ) ) {
|
|
ok = 1;
|
|
for( i = 0; i < 3; ++i ) {
|
|
PyObject *tmp = PyList_GET_ITEM( args, i );
|
|
if( !PyNumber_Check ( tmp ) ) {
|
|
ok = 0;
|
|
break;
|
|
}
|
|
num[i] = (float)PyFloat_AsDouble( tmp );
|
|
}
|
|
} else
|
|
ok = PyArg_ParseTuple( args, "fff", &num[0], &num[1], &num[2] );
|
|
} else
|
|
ok = PyArg_ParseTuple( args, "|(fff)", &num[0], &num[1], &num[2] );
|
|
|
|
if( !ok )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"expected [f,f,f], (f,f,f) or f,f,f as arguments (or nothing)" );
|
|
|
|
for( i = 0; i < 3; ++i )
|
|
*( self->rgb[i] ) = EXPP_ClampFloat( num[i], 0.0, 1.0 );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: rgbTuple_dealloc */
|
|
/* Description: This is a callback function for the BPy_rgbTuple type. It is */
|
|
/* the destructor function. */
|
|
/*****************************************************************************/
|
|
static void rgbTuple_dealloc( BPy_rgbTuple * self )
|
|
{
|
|
PyObject_DEL( self );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: rgbTuple_getAttr */
|
|
/* Description: This is a callback function for the BPy_rgbTuple type. It is */
|
|
/* the function that accesses BPy_rgbTuple member variables and */
|
|
/* methods. */
|
|
/*****************************************************************************/
|
|
static PyObject *rgbTuple_getAttr( BPy_rgbTuple * self, char *name )
|
|
{
|
|
int i;
|
|
|
|
if( strcmp( name, "__members__" ) == 0 )
|
|
return Py_BuildValue( "[s,s,s]", "R", "G", "B" );
|
|
|
|
else if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
|
|
i = 0;
|
|
else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
|
|
i = 1;
|
|
else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
|
|
i = 2;
|
|
else
|
|
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
|
|
"attribute not found" ) );
|
|
|
|
return Py_BuildValue( "f", *( self->rgb[i] ) );
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: rgbTuple_setAttr */
|
|
/* Description: This is a callback function for the BPy_rgbTuple type. It is */
|
|
/* the function that changes BPy_rgbTuple member variables. */
|
|
/*****************************************************************************/
|
|
static int rgbTuple_setAttr( BPy_rgbTuple * self, char *name, PyObject * v )
|
|
{
|
|
float value;
|
|
|
|
if( !PyArg_Parse( v, "f", &value ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"expected float argument" );
|
|
|
|
value = EXPP_ClampFloat( value, 0.0, 1.0 );
|
|
|
|
if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
|
|
*( self->rgb[0] ) = value;
|
|
|
|
else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
|
|
*( self->rgb[1] ) = value;
|
|
|
|
else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
|
|
*( self->rgb[2] ) = value;
|
|
|
|
else
|
|
return ( EXPP_ReturnIntError( PyExc_AttributeError,
|
|
"attribute not found" ) );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Section: rgbTuple as Mapping */
|
|
/* These functions provide code to access rgbTuple objects as */
|
|
/* mappings. */
|
|
/*****************************************************************************/
|
|
static int rgbTupleLength( void )
|
|
{
|
|
return 3;
|
|
}
|
|
|
|
static PyObject *rgbTupleSubscript( BPy_rgbTuple * self, PyObject * key )
|
|
{
|
|
char *name = NULL;
|
|
int i;
|
|
|
|
if( PyNumber_Check( key ) )
|
|
return rgbTupleItem( self, ( int ) PyInt_AsLong( key ) );
|
|
|
|
if( !PyArg_ParseTuple( key, "s", &name ) )
|
|
return EXPP_ReturnPyObjError( PyExc_TypeError,
|
|
"expected int or string argument" );
|
|
|
|
if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
|
|
i = 0;
|
|
else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
|
|
i = 1;
|
|
else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
|
|
i = 2;
|
|
else
|
|
return EXPP_ReturnPyObjError( PyExc_AttributeError, name );
|
|
|
|
return Py_BuildValue( "f", *( self->rgb[i] ) );
|
|
}
|
|
|
|
static int rgbTupleAssSubscript( BPy_rgbTuple * self, PyObject * key,
|
|
PyObject * v )
|
|
{
|
|
char *name = NULL;
|
|
int i;
|
|
|
|
if( !PyNumber_Check( v ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"value to assign must be a number" );
|
|
|
|
if( PyNumber_Check( key ) )
|
|
return rgbTupleAssItem( self, ( int ) PyInt_AsLong( key ), v );
|
|
|
|
if( !PyArg_Parse( key, "s", &name ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"expected int or string argument" );
|
|
|
|
if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
|
|
i = 0;
|
|
else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
|
|
i = 1;
|
|
else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
|
|
i = 2;
|
|
else
|
|
return EXPP_ReturnIntError( PyExc_AttributeError, name );
|
|
|
|
*( self->rgb[i] ) = EXPP_ClampFloat( (float)PyFloat_AsDouble( v ), 0.0, 1.0 );
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Section: rgbTuple as Sequence */
|
|
/* These functions provide code to access rgbTuple objects as */
|
|
/* sequences. */
|
|
/*****************************************************************************/
|
|
static PyObject *rgbTupleItem( BPy_rgbTuple * self, int i )
|
|
{
|
|
if( i < 0 || i >= 3 )
|
|
return EXPP_ReturnPyObjError( PyExc_IndexError,
|
|
"array index out of range" );
|
|
|
|
return Py_BuildValue( "f", *( self->rgb[i] ) );
|
|
}
|
|
|
|
static PyObject *rgbTupleSlice( BPy_rgbTuple * self, int begin, int end )
|
|
{
|
|
PyObject *list;
|
|
int count;
|
|
|
|
if( begin < 0 )
|
|
begin = 0;
|
|
if( end > 3 )
|
|
end = 3;
|
|
if( begin > end )
|
|
begin = end;
|
|
|
|
list = PyList_New( end - begin );
|
|
|
|
for( count = begin; count < end; count++ )
|
|
PyList_SetItem( list, count - begin,
|
|
PyFloat_FromDouble( *( self->rgb[count] ) ) );
|
|
|
|
return list;
|
|
}
|
|
|
|
static int rgbTupleAssItem( BPy_rgbTuple * self, int i, PyObject * ob )
|
|
{
|
|
if( i < 0 || i >= 3 )
|
|
return EXPP_ReturnIntError( PyExc_IndexError,
|
|
"array assignment index out of range" );
|
|
|
|
if( !PyNumber_Check( ob ) )
|
|
return EXPP_ReturnIntError( PyExc_IndexError,
|
|
"color component must be a number" );
|
|
/* XXX this check above is probably ... */
|
|
*( self->rgb[i] ) =
|
|
EXPP_ClampFloat( (float)PyFloat_AsDouble( ob ), 0.0, 1.0 );
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rgbTupleAssSlice( BPy_rgbTuple * self, int begin, int end,
|
|
PyObject * seq )
|
|
{
|
|
int count;
|
|
|
|
if( begin < 0 )
|
|
begin = 0;
|
|
if( end > 3 )
|
|
end = 3;
|
|
if( begin > end )
|
|
begin = end;
|
|
|
|
if( !PySequence_Check( seq ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"illegal argument type for built-in operation" );
|
|
|
|
if( PySequence_Length( seq ) != ( end - begin ) )
|
|
return EXPP_ReturnIntError( PyExc_TypeError,
|
|
"size mismatch in slice assignment" );
|
|
|
|
for( count = begin; count < end; count++ ) {
|
|
float value;
|
|
PyObject *ob = PySequence_GetItem( seq, count );
|
|
|
|
if( !PyArg_Parse( ob, "f", &value ) ) {
|
|
Py_DECREF( ob );
|
|
return -1;
|
|
}
|
|
|
|
*( self->rgb[count] ) = EXPP_ClampFloat( value, 0.0, 1.0 );
|
|
|
|
Py_DECREF( ob );
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/* Function: rgbTuple_repr */
|
|
/* Description: This is a callback function for the BPy_rgbTuple type. It */
|
|
/* builds a meaninful string to represent rgbTuple objects. */
|
|
/*****************************************************************************/
|
|
static PyObject *rgbTuple_repr( BPy_rgbTuple * self )
|
|
{
|
|
float r, g, b;
|
|
|
|
r = *( self->rgb[0] );
|
|
g = *( self->rgb[1] );
|
|
b = *( self->rgb[2] );
|
|
|
|
return PyString_FromFormat( "[%f, %f, %f]", r, g, b );
|
|
}
|