a509b8adc9
Run everything thru indent to cleanup spaces vs tabs. Clean up some of the comments by hand. BGL.c was not touched due to all that macro wackyness. There are no functional changes to the code. Pre-indent versions of source are tagged with tag bpy-cleanup-20040925 , just in case.
409 lines
13 KiB
C
409 lines
13 KiB
C
/*
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* $Id$
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*
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* This is a new part of Blender.
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*
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* Contributor(s): Willian P. Germano
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#include "rgbTuple.h"
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/* This file is heavily based on the old bpython Constant object code in
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Blender */
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/*****************************************************************************/
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/* Python rgbTuple_Type callback function prototypes: */
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/*****************************************************************************/
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static void rgbTuple_dealloc( BPy_rgbTuple * self );
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static PyObject *rgbTuple_getAttr( BPy_rgbTuple * self, char *name );
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static int rgbTuple_setAttr( BPy_rgbTuple * self, char *name, PyObject * v );
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static PyObject *rgbTuple_repr( BPy_rgbTuple * self );
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static int rgbTupleLength( BPy_rgbTuple * self );
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static PyObject *rgbTupleSubscript( BPy_rgbTuple * self, PyObject * key );
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static int rgbTupleAssSubscript( BPy_rgbTuple * self, PyObject * who,
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PyObject * cares );
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static PyObject *rgbTupleItem( BPy_rgbTuple * self, int i );
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static int rgbTupleAssItem( BPy_rgbTuple * self, int i, PyObject * ob );
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static PyObject *rgbTupleSlice( BPy_rgbTuple * self, int begin, int end );
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static int rgbTupleAssSlice( BPy_rgbTuple * self, int begin, int end,
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PyObject * seq );
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/*****************************************************************************/
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/* Python rgbTuple_Type Mapping Methods table: */
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/*****************************************************************************/
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static PyMappingMethods rgbTupleAsMapping = {
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( inquiry ) rgbTupleLength, /* mp_length */
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( binaryfunc ) rgbTupleSubscript, /* mp_subscript */
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( objobjargproc ) rgbTupleAssSubscript, /* mp_ass_subscript */
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};
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/*****************************************************************************/
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/* Python rgbTuple_Type Sequence Methods table: */
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/*****************************************************************************/
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static PySequenceMethods rgbTupleAsSequence = {
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( inquiry ) rgbTupleLength, /* sq_length */
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( binaryfunc ) 0, /* sq_concat */
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( intargfunc ) 0, /* sq_repeat */
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( intargfunc ) rgbTupleItem, /* sq_item */
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( intintargfunc ) rgbTupleSlice, /* sq_slice */
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( intobjargproc ) rgbTupleAssItem, /* sq_ass_item */
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( intintobjargproc ) rgbTupleAssSlice, /* sq_ass_slice */
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};
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/*****************************************************************************/
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/* Python rgbTuple_Type structure definition: */
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/*****************************************************************************/
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PyTypeObject rgbTuple_Type = {
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PyObject_HEAD_INIT( NULL )
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0, /* ob_size */
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"rgbTuple", /* tp_name */
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sizeof( BPy_rgbTuple ), /* tp_basicsize */
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0, /* tp_itemsize */
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/* methods */
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( destructor ) rgbTuple_dealloc, /* tp_dealloc */
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0, /* tp_print */
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( getattrfunc ) rgbTuple_getAttr, /* tp_getattr */
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( setattrfunc ) rgbTuple_setAttr, /* tp_setattr */
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0, /* tp_compare */
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( reprfunc ) rgbTuple_repr, /* tp_repr */
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0, /* tp_as_number */
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&rgbTupleAsSequence, /* tp_as_sequence */
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&rgbTupleAsMapping, /* tp_as_mapping */
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0, /* tp_as_hash */
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0, 0, 0, 0, 0, 0,
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0, /* tp_doc */
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0, 0, 0, 0, 0, 0,
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0, /* tp_methods */
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0, /* tp_members */
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};
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/*****************************************************************************/
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/* Function: rgbTuple_New */
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/*****************************************************************************/
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PyObject *rgbTuple_New( float *rgb[3] )
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{
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BPy_rgbTuple *rgbTuple;
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rgbTuple_Type.ob_type = &PyType_Type;
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rgbTuple =
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( BPy_rgbTuple * ) PyObject_NEW( BPy_rgbTuple,
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&rgbTuple_Type );
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if( rgbTuple == NULL )
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return EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create rgbTuple object" );
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rgbTuple->rgb[0] = rgb[0];
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rgbTuple->rgb[1] = rgb[1];
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rgbTuple->rgb[2] = rgb[2];
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return ( PyObject * ) rgbTuple;
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}
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/*****************************************************************************/
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/* Functions: rgbTuple_getCol and rgbTuple_setCol */
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/* Description: These functions get/set rgb color triplet values. The */
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/* get function returns a tuple, the set one accepts three */
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/* floats (separated or in a tuple) as arguments. */
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/*****************************************************************************/
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PyObject *rgbTuple_getCol( BPy_rgbTuple * self )
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{
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PyObject *list = PyList_New( 3 );
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if( !list )
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return EXPP_ReturnPyObjError( PyExc_MemoryError,
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"couldn't create PyList" );
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PyList_SET_ITEM( list, 0, Py_BuildValue( "f", *( self->rgb[0] ) ) );
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PyList_SET_ITEM( list, 1, Py_BuildValue( "f", *( self->rgb[1] ) ) );
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PyList_SET_ITEM( list, 2, Py_BuildValue( "f", *( self->rgb[2] ) ) );
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return list;
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}
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PyObject *rgbTuple_setCol( BPy_rgbTuple * self, PyObject * args )
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{
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int ok;
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float r = 0, g = 0, b = 0;
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if( PyObject_Length( args ) == 3 )
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ok = PyArg_ParseTuple( args, "fff", &r, &g, &b );
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else
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ok = PyArg_ParseTuple( args, "|(fff)", &r, &g, &b );
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if( !ok )
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected [f,f,f] or f,f,f as arguments (or nothing)" );
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*( self->rgb[0] ) = EXPP_ClampFloat( r, 0.0, 1.0 );
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*( self->rgb[1] ) = EXPP_ClampFloat( g, 0.0, 1.0 );
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*( self->rgb[2] ) = EXPP_ClampFloat( b, 0.0, 1.0 );
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return EXPP_incr_ret( Py_None );
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}
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/*****************************************************************************/
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/* Function: rgbTuple_dealloc */
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/* Description: This is a callback function for the BPy_rgbTuple type. It is */
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/* the destructor function. */
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/*****************************************************************************/
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static void rgbTuple_dealloc( BPy_rgbTuple * self )
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{
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PyObject_DEL( self );
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}
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/*****************************************************************************/
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/* Function: rgbTuple_getAttr */
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/* Description: This is a callback function for the BPy_rgbTuple type. It is */
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/* the function that accesses BPy_rgbTuple member variables and */
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/* methods. */
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/*****************************************************************************/
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static PyObject *rgbTuple_getAttr( BPy_rgbTuple * self, char *name )
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{
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int i;
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if( strcmp( name, "__members__" ) == 0 )
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return Py_BuildValue( "[s,s,s]", "R", "G", "B" );
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else if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
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i = 0;
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else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
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i = 1;
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else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
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i = 2;
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else
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return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
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"attribute not found" ) );
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return Py_BuildValue( "f", *( self->rgb[i] ) );
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}
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/*****************************************************************************/
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/* Function: rgbTuple_setAttr */
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/* Description: This is a callback function for the BPy_rgbTuple type. It is */
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/* the function that changes BPy_rgbTuple member variables. */
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/*****************************************************************************/
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static int rgbTuple_setAttr( BPy_rgbTuple * self, char *name, PyObject * v )
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{
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float value;
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if( !PyArg_Parse( v, "f", &value ) )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected float argument" );
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value = EXPP_ClampFloat( value, 0.0, 1.0 );
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if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
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*( self->rgb[0] ) = value;
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else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
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*( self->rgb[1] ) = value;
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else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
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*( self->rgb[2] ) = value;
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else
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return ( EXPP_ReturnIntError( PyExc_AttributeError,
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"attribute not found" ) );
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return 0;
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}
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/*****************************************************************************/
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/* Section: rgbTuple as Mapping */
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/* These functions provide code to access rgbTuple objects as */
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/* mappings. */
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/*****************************************************************************/
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static int rgbTupleLength( BPy_rgbTuple * self )
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{
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return 3;
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}
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static PyObject *rgbTupleSubscript( BPy_rgbTuple * self, PyObject * key )
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{
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char *name = NULL;
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int i;
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if( PyNumber_Check( key ) )
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return rgbTupleItem( self, ( int ) PyInt_AsLong( key ) );
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if( !PyArg_ParseTuple( key, "s", &name ) )
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return EXPP_ReturnPyObjError( PyExc_TypeError,
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"expected int or string argument" );
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if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
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i = 0;
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else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
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i = 1;
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else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
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i = 2;
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else
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return EXPP_ReturnPyObjError( PyExc_AttributeError, name );
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return Py_BuildValue( "f", *( self->rgb[i] ) );
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}
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static int rgbTupleAssSubscript( BPy_rgbTuple * self, PyObject * key,
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PyObject * v )
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{
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char *name = NULL;
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int i;
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if( !PyNumber_Check( v ) )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"value to assign must be a number" );
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if( PyNumber_Check( key ) )
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return rgbTupleAssItem( self, ( int ) PyInt_AsLong( key ), v );
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if( !PyArg_Parse( key, "s", &name ) )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"expected int or string argument" );
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if( !strcmp( name, "R" ) || !strcmp( name, "r" ) )
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i = 0;
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else if( !strcmp( name, "G" ) || !strcmp( name, "g" ) )
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i = 1;
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else if( !strcmp( name, "B" ) || !strcmp( name, "b" ) )
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i = 2;
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else
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return EXPP_ReturnIntError( PyExc_AttributeError, name );
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*( self->rgb[i] ) = EXPP_ClampFloat( PyFloat_AsDouble( v ), 0.0, 1.0 );
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return 0;
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}
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/*****************************************************************************/
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/* Section: rgbTuple as Sequence */
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/* These functions provide code to access rgbTuple objects as */
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/* sequences. */
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/*****************************************************************************/
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static PyObject *rgbTupleItem( BPy_rgbTuple * self, int i )
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{
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if( i < 0 || i >= 3 )
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return EXPP_ReturnPyObjError( PyExc_IndexError,
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"array index out of range" );
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return Py_BuildValue( "f", *( self->rgb[i] ) );
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}
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static PyObject *rgbTupleSlice( BPy_rgbTuple * self, int begin, int end )
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{
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PyObject *list;
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int count;
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if( begin < 0 )
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begin = 0;
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if( end > 3 )
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end = 3;
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if( begin > end )
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begin = end;
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list = PyList_New( end - begin );
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for( count = begin; count < end; count++ )
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PyList_SetItem( list, count - begin,
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PyFloat_FromDouble( *( self->rgb[count] ) ) );
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return list;
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}
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static int rgbTupleAssItem( BPy_rgbTuple * self, int i, PyObject * ob )
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{
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if( i < 0 || i >= 3 )
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return EXPP_ReturnIntError( PyExc_IndexError,
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"array assignment index out of range" );
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if( !PyNumber_Check( ob ) )
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return EXPP_ReturnIntError( PyExc_IndexError,
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"color component must be a number" );
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/* XXX this check above is probably ... */
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*( self->rgb[i] ) =
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EXPP_ClampFloat( PyFloat_AsDouble( ob ), 0.0, 1.0 );
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return 0;
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}
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static int rgbTupleAssSlice( BPy_rgbTuple * self, int begin, int end,
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PyObject * seq )
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{
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int count;
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if( begin < 0 )
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begin = 0;
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if( end > 3 )
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end = 3;
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if( begin > end )
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begin = end;
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if( !PySequence_Check( seq ) )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"illegal argument type for built-in operation" );
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if( PySequence_Length( seq ) != ( end - begin ) )
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return EXPP_ReturnIntError( PyExc_TypeError,
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"size mismatch in slice assignment" );
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for( count = begin; count < end; count++ ) {
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float value;
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PyObject *ob = PySequence_GetItem( seq, count );
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if( !PyArg_Parse( ob, "f", &value ) ) {
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Py_DECREF( ob );
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return -1;
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}
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*( self->rgb[count] ) = EXPP_ClampFloat( value, 0.0, 1.0 );
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Py_DECREF( ob );
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}
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return 0;
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}
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/*****************************************************************************/
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/* Function: rgbTuple_repr */
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/* Description: This is a callback function for the BPy_rgbTuple type. It */
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/* builds a meaninful string to represent rgbTuple objects. */
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/*****************************************************************************/
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static PyObject *rgbTuple_repr( BPy_rgbTuple * self )
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{
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float r, g, b;
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r = *( self->rgb[0] );
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g = *( self->rgb[1] );
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b = *( self->rgb[2] );
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return PyString_FromFormat( "[%f, %f, %f]", r, g, b );
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}
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