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blender-archive/source/blender/python/api2_2x/Camera.c
Campbell Barton be0b8ccfaa Used GET_INT_FROM_POINTER to get rid of many warnings that only occurred with 64bit os's
Also use Py_ssize_t which we might need to define for older python's
2008-04-17 21:14:55 +00:00

1056 lines
31 KiB
C

/*
* $Id$
*
* ***** BEGIN GPL 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.
*
* 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, Johnny Matthews, Ken Hughes
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "Camera.h" /*This must come first */
#include "BKE_main.h"
#include "BKE_global.h"
#include "BKE_object.h"
#include "BKE_library.h"
#include "BKE_utildefines.h"
#include "BLI_blenlib.h"
#include "BLI_arithb.h" /* for M_PI */
#include "BSE_editipo.h"
#include "BIF_space.h"
#include "mydevice.h"
#include "gen_utils.h"
#include "gen_library.h"
#include "Ipo.h"
#define IPOKEY_LENS 0
#define IPOKEY_CLIPPING 1
enum cam_consts {
EXPP_CAM_ATTR_LENS = 0,
EXPP_CAM_ATTR_ANGLE,
EXPP_CAM_ATTR_DOFDIST,
EXPP_CAM_ATTR_CLIPEND,
EXPP_CAM_ATTR_CLIPSTART,
EXPP_CAM_ATTR_SCALE,
EXPP_CAM_ATTR_DRAWSIZE,
EXPP_CAM_ATTR_SHIFTX,
EXPP_CAM_ATTR_SHIFTY,
EXPP_CAM_ATTR_ALPHA,
};
/*****************************************************************************/
/* Python API function prototypes for the Camera module. */
/*****************************************************************************/
static PyObject *M_Camera_New( PyObject * self, PyObject * args,
PyObject * keywords );
static PyObject *M_Camera_Get( PyObject * self, PyObject * args );
/*****************************************************************************/
/* The following string definitions are used for documentation strings. */
/* In Python these will be written to the console when doing a */
/* Blender.Camera.__doc__ */
/*****************************************************************************/
static char M_Camera_doc[] = "The Blender Camera module\n\
\n\
This module provides access to **Camera Data** objects in Blender\n\
\n\
Example::\n\
\n\
from Blender import Camera, Object, Scene\n\
c = Camera.New('ortho') # create new ortho camera data\n\
c.scale = 6.0 # set scale value\n\
scn = Scene.GetCurrent() # get current Scene\n\
ob = scn.objects.new(c) # Make an object from this data in the scene\n\
cur.setCurrentCamera(ob) # make this camera the active";
static char M_Camera_New_doc[] =
"Camera.New (type = 'persp', name = 'CamData'):\n\
Return a new Camera Data object with the given type and name.";
static char M_Camera_Get_doc[] = "Camera.Get (name = None):\n\
Return the camera data with the given 'name', None if not found, or\n\
Return a list with all Camera Data objects in the current scene,\n\
if no argument was given.";
/*****************************************************************************/
/* Python method structure definition for Blender.Camera module: */
/*****************************************************************************/
struct PyMethodDef M_Camera_methods[] = {
{"New", ( PyCFunction ) M_Camera_New, METH_VARARGS | METH_KEYWORDS,
M_Camera_New_doc},
{"Get", M_Camera_Get, METH_VARARGS, M_Camera_Get_doc},
{"get", M_Camera_Get, METH_VARARGS, M_Camera_Get_doc},
{NULL, NULL, 0, NULL}
};
/*****************************************************************************/
/* Python BPy_Camera methods declarations: */
/*****************************************************************************/
static PyObject *Camera_oldgetType( BPy_Camera * self );
static PyObject *Camera_oldgetMode( BPy_Camera * self );
static PyObject *Camera_oldgetLens( BPy_Camera * self );
static PyObject *Camera_oldgetClipStart( BPy_Camera * self );
static PyObject *Camera_oldgetClipEnd( BPy_Camera * self );
static PyObject *Camera_oldgetDrawSize( BPy_Camera * self );
static PyObject *Camera_oldgetScale( BPy_Camera * self );
static PyObject *Camera_getIpo( BPy_Camera * self );
static int Camera_setIpo( BPy_Camera * self, PyObject * value );
static PyObject *Camera_oldsetIpo( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldsetType( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldsetMode( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldsetLens( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldsetClipStart( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldsetClipEnd( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldsetDrawSize( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldsetScale( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldgetScriptLinks( BPy_Camera * self, PyObject * value );
static PyObject *Camera_addScriptLink( BPy_Camera * self, PyObject * args );
static PyObject *Camera_oldclearIpo( BPy_Camera * self );
static PyObject *Camera_clearScriptLinks( BPy_Camera * self, PyObject * args );
static PyObject *Camera_insertIpoKey( BPy_Camera * self, PyObject * args );
static PyObject *Camera_copy( BPy_Camera * self );
/*****************************************************************************/
/* Python BPy_Camera methods table: */
/*****************************************************************************/
static PyMethodDef BPy_Camera_methods[] = {
/* name, method, flags, doc */
{"getIpo", ( PyCFunction ) Camera_getIpo, METH_NOARGS,
"() - Return Camera Data Ipo"},
{"getName", ( PyCFunction ) GenericLib_getName, METH_NOARGS,
"() - Return Camera Data name"},
{"getType", ( PyCFunction ) Camera_oldgetType, METH_NOARGS,
"() - Return Camera type - 'persp':0, 'ortho':1"},
{"getMode", ( PyCFunction ) Camera_oldgetMode, METH_NOARGS,
"() - Return Camera mode flags (or'ed value) -\n"
" 'showLimits':1, 'showMist':2"},
{"getLens", ( PyCFunction ) Camera_oldgetLens, METH_NOARGS,
"() - Return *perspective* Camera lens value"},
{"getScale", ( PyCFunction ) Camera_oldgetScale, METH_NOARGS,
"() - Return *ortho* Camera scale value"},
{"getClipStart", ( PyCFunction ) Camera_oldgetClipStart, METH_NOARGS,
"() - Return Camera clip start value"},
{"getClipEnd", ( PyCFunction ) Camera_oldgetClipEnd, METH_NOARGS,
"() - Return Camera clip end value"},
{"getDrawSize", ( PyCFunction ) Camera_oldgetDrawSize, METH_NOARGS,
"() - Return Camera draw size value"},
{"setIpo", ( PyCFunction ) Camera_oldsetIpo, METH_VARARGS,
"(Blender Ipo) - Set Camera Ipo"},
{"clearIpo", ( PyCFunction ) Camera_oldclearIpo, METH_NOARGS,
"() - Unlink Ipo from this Camera."},
{"insertIpoKey", ( PyCFunction ) Camera_insertIpoKey, METH_VARARGS,
"( Camera IPO type ) - Inserts a key into IPO"},
{"setName", ( PyCFunction ) GenericLib_setName_with_method, METH_VARARGS,
"(s) - Set Camera Data name"},
{"setType", ( PyCFunction ) Camera_oldsetType, METH_O,
"(s) - Set Camera type, which can be 'persp' or 'ortho'"},
{"setMode", ( PyCFunction ) Camera_oldsetMode, METH_VARARGS,
"(<s<,s>>) - Set Camera mode flag(s): 'showLimits' and 'showMist'"},
{"setLens", ( PyCFunction ) Camera_oldsetLens, METH_O,
"(f) - Set *perpective* Camera lens value"},
{"setScale", ( PyCFunction ) Camera_oldsetScale, METH_O,
"(f) - Set *ortho* Camera scale value"},
{"setClipStart", ( PyCFunction ) Camera_oldsetClipStart, METH_O,
"(f) - Set Camera clip start value"},
{"setClipEnd", ( PyCFunction ) Camera_oldsetClipEnd, METH_O,
"(f) - Set Camera clip end value"},
{"setDrawSize", ( PyCFunction ) Camera_oldsetDrawSize, METH_O,
"(f) - Set Camera draw size value"},
{"getScriptLinks", ( PyCFunction ) Camera_oldgetScriptLinks, METH_O,
"(eventname) - Get a list of this camera's scriptlinks (Text names) "
"of the given type\n"
"(eventname) - string: FrameChanged, Redraw or Render."},
{"addScriptLink", ( PyCFunction ) Camera_addScriptLink, METH_VARARGS,
"(text, evt) - Add a new camera scriptlink.\n"
"(text) - string: an existing Blender Text name;\n"
"(evt) string: FrameChanged, Redraw or Render."},
{"clearScriptLinks", ( PyCFunction ) Camera_clearScriptLinks,
METH_NOARGS,
"() - Delete all scriptlinks from this camera.\n"
"([s1<,s2,s3...>]) - Delete specified scriptlinks from this camera."},
{"__copy__", ( PyCFunction ) Camera_copy, METH_NOARGS,
"() - Return a copy of the camera."},
{"copy", ( PyCFunction ) Camera_copy, METH_NOARGS,
"() - Return a copy of the camera."},
{NULL, NULL, 0, NULL}
};
/*****************************************************************************/
/* Python Camera_Type callback function prototypes: */
/*****************************************************************************/
static int Camera_compare( BPy_Camera * a, BPy_Camera * b );
static PyObject *Camera_repr( BPy_Camera * self );
static PyObject *M_Camera_New( PyObject * self, PyObject * args,
PyObject * kwords )
{
char *type_str = "persp"; /* "persp" is type 0, "ortho" is type 1 */
char *name_str = "Camera";
static char *kwlist[] = { "type_str", "name_str", NULL };
PyObject *pycam; /* for Camera Data object wrapper in Python */
Camera *blcam; /* for actual Camera Data we create in Blender */
/* Parse the arguments passed in by the Python interpreter */
if( !PyArg_ParseTupleAndKeywords( args, kwords, "|ss", kwlist,
&type_str, &name_str ) )
/* We expected string(s) (or nothing) as argument, but we didn't get that. */
return EXPP_ReturnPyObjError( PyExc_AttributeError,
"expected zero, one or two strings as arguments" );
blcam = add_camera( name_str ); /* first create the Camera Data in Blender */
if( blcam ) /* now create the wrapper obj in Python */
pycam = Camera_CreatePyObject( blcam );
else
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"couldn't create Camera Data in Blender" );
/* let's return user count to zero, because ... */
blcam->id.us = 0; /* ... add_camera() incref'ed it */
/* XXX XXX Do this in other modules, too */
if( pycam == NULL )
return EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create Camera PyObject" );
if( strcmp( type_str, "persp" ) == 0 )
/* default, no need to set, so */
/*blcam->type = (short)EXPP_CAM_TYPE_PERSP */
;
/* we comment this line */
else if( strcmp( type_str, "ortho" ) == 0 )
blcam->type = ( short ) EXPP_CAM_TYPE_ORTHO;
else
return EXPP_ReturnPyObjError( PyExc_AttributeError,
"unknown camera type" );
return pycam;
}
static PyObject *M_Camera_Get( PyObject * self, PyObject * args )
{
char *name = NULL;
Camera *cam_iter;
if( !PyArg_ParseTuple( args, "|s", &name ) )
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected string argument (or nothing)" );
cam_iter = G.main->camera.first;
if( name ) { /* (name) - Search camera by name */
PyObject *wanted_cam = NULL;
while( cam_iter && !wanted_cam ) {
if( strcmp( name, cam_iter->id.name + 2 ) == 0 ) {
wanted_cam = Camera_CreatePyObject( cam_iter );
break;
}
cam_iter = cam_iter->id.next;
}
if( !wanted_cam ) { /* Requested camera doesn't exist */
char error_msg[64];
PyOS_snprintf( error_msg, sizeof( error_msg ),
"Camera \"%s\" not found", name );
return EXPP_ReturnPyObjError( PyExc_NameError,
error_msg );
}
return wanted_cam;
}
else { /* () - return a list of wrappers for all cameras in the scene */
int index = 0;
PyObject *cam_pylist, *pyobj;
cam_pylist =
PyList_New( BLI_countlist( &( G.main->camera ) ) );
if( !cam_pylist )
return EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create PyList" );
while( cam_iter ) {
pyobj = Camera_CreatePyObject( cam_iter );
if( !pyobj ) {
Py_DECREF(cam_pylist);
return EXPP_ReturnPyObjError
( PyExc_MemoryError,
"couldn't create Camera PyObject" );
}
PyList_SET_ITEM( cam_pylist, index, pyobj );
cam_iter = cam_iter->id.next;
index++;
}
return cam_pylist;
}
}
PyObject *Camera_Init( void )
{
PyObject *submodule;
if( PyType_Ready( &Camera_Type ) < 0 )
return NULL;
submodule = Py_InitModule3( "Blender.Camera",
M_Camera_methods, M_Camera_doc );
PyModule_AddIntConstant( submodule, "LENS", IPOKEY_LENS );
PyModule_AddIntConstant( submodule, "CLIPPING", IPOKEY_CLIPPING );
return submodule;
}
/* Three Python Camera_Type helper functions needed by the Object module: */
PyObject *Camera_CreatePyObject( Camera * cam )
{
BPy_Camera *pycam;
pycam = ( BPy_Camera * ) PyObject_NEW( BPy_Camera, &Camera_Type );
if( !pycam )
return EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create BPy_Camera PyObject" );
pycam->camera = cam;
return ( PyObject * ) pycam;
}
Camera *Camera_FromPyObject( PyObject * pyobj )
{
return ( ( BPy_Camera * ) pyobj )->camera;
}
/*****************************************************************************/
/* Python BPy_Camera methods: */
/*****************************************************************************/
static PyObject *Camera_oldgetType( BPy_Camera * self )
{
return PyInt_FromLong( self->camera->type );
}
static PyObject *Camera_oldgetMode( BPy_Camera * self )
{
return PyInt_FromLong( self->camera->flag );
}
static PyObject *Camera_oldgetLens( BPy_Camera * self )
{
return PyFloat_FromDouble( self->camera->lens );
}
static PyObject *Camera_oldgetScale( BPy_Camera * self )
{
return PyFloat_FromDouble( self->camera->ortho_scale );
}
static PyObject *Camera_oldgetClipStart( BPy_Camera * self )
{
return PyFloat_FromDouble( self->camera->clipsta );
}
static PyObject *Camera_oldgetClipEnd( BPy_Camera * self )
{
return PyFloat_FromDouble( self->camera->clipend );
}
static PyObject *Camera_oldgetDrawSize( BPy_Camera * self )
{
return PyFloat_FromDouble( self->camera->drawsize );
}
static PyObject *Camera_oldsetIpo( BPy_Camera * self, PyObject * args )
{
return EXPP_setterWrapper( (void *)self, args, (setter)Camera_setIpo );
}
static PyObject *Camera_oldclearIpo( BPy_Camera * self )
{
Camera *cam = self->camera;
Ipo *ipo = ( Ipo * ) cam->ipo;
if( ipo ) {
ID *id = &ipo->id;
if( id->us > 0 )
id->us--;
cam->ipo = NULL;
return EXPP_incr_ret_True();
}
return EXPP_incr_ret_False(); /* no ipo found */
}
static PyObject *Camera_oldsetType( BPy_Camera * self, PyObject * value )
{
char *type = PyString_AsString(value);
if(!value)
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected string argument" );
if( strcmp( type, "persp" ) == 0 )
self->camera->type = ( short ) EXPP_CAM_TYPE_PERSP;
else if( strcmp( type, "ortho" ) == 0 )
self->camera->type = ( short ) EXPP_CAM_TYPE_ORTHO;
else
return EXPP_ReturnPyObjError( PyExc_AttributeError,
"unknown camera type" );
Py_RETURN_NONE;
}
static PyObject *Camera_oldsetMode( BPy_Camera * self, PyObject * args )
{
char *mode_str1 = NULL, *mode_str2 = NULL;
short flag = 0;
if( !PyArg_ParseTuple( args, "|ss", &mode_str1, &mode_str2 ) )
return EXPP_ReturnPyObjError( PyExc_AttributeError,
"expected one or two strings as arguments" );
if( mode_str1 != NULL ) {
if( strcmp( mode_str1, "showLimits" ) == 0 )
flag |= ( short ) EXPP_CAM_MODE_SHOWLIMITS;
else if( strcmp( mode_str1, "showMist" ) == 0 )
flag |= ( short ) EXPP_CAM_MODE_SHOWMIST;
else
return EXPP_ReturnPyObjError( PyExc_AttributeError,
"first argument is an unknown camera flag" );
if( mode_str2 != NULL ) {
if( strcmp( mode_str2, "showLimits" ) == 0 )
flag |= ( short ) EXPP_CAM_MODE_SHOWLIMITS;
else if( strcmp( mode_str2, "showMist" ) == 0 )
flag |= ( short ) EXPP_CAM_MODE_SHOWMIST;
else
return EXPP_ReturnPyObjError
( PyExc_AttributeError,
"second argument is an unknown camera flag" );
}
}
self->camera->flag = flag;
Py_RETURN_NONE;
}
static PyObject *Camera_oldsetLens( BPy_Camera * self, PyObject * value )
{
float param = PyFloat_AsDouble(value);
if (PyErr_Occurred())
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected float argument" );
self->camera->lens = EXPP_ClampFloat( param,
EXPP_CAM_LENS_MIN,
EXPP_CAM_LENS_MAX );
Py_RETURN_NONE;
}
static PyObject *Camera_oldsetScale( BPy_Camera * self, PyObject * value )
{
float param = PyFloat_AsDouble(value);
if (PyErr_Occurred())
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected float argument" );
self->camera->ortho_scale = EXPP_ClampFloat( param,
EXPP_CAM_SCALE_MIN,
EXPP_CAM_SCALE_MAX );
Py_RETURN_NONE;
}
static PyObject *Camera_oldsetClipStart( BPy_Camera * self, PyObject * value )
{
float param = PyFloat_AsDouble(value);
if (PyErr_Occurred())
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected float argument" );
self->camera->clipsta = EXPP_ClampFloat( param,
EXPP_CAM_CLIPSTART_MIN,
EXPP_CAM_CLIPSTART_MAX );
Py_RETURN_NONE;
}
static PyObject *Camera_oldsetClipEnd( BPy_Camera * self, PyObject * value )
{
float param = PyFloat_AsDouble(value);
if (PyErr_Occurred())
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected float argument" );
self->camera->clipend = EXPP_ClampFloat( param,
EXPP_CAM_CLIPEND_MIN,
EXPP_CAM_CLIPEND_MAX );
Py_RETURN_NONE;
}
static PyObject *Camera_oldsetDrawSize( BPy_Camera * self, PyObject * value )
{
float param = PyFloat_AsDouble(value);
if (PyErr_Occurred())
return EXPP_ReturnPyObjError( PyExc_TypeError,
"expected float argument" );
self->camera->drawsize = EXPP_ClampFloat( param,
EXPP_CAM_DRAWSIZE_MIN,
EXPP_CAM_DRAWSIZE_MAX );
Py_RETURN_NONE;
}
/* cam.addScriptLink */
static PyObject *Camera_addScriptLink( BPy_Camera * self, PyObject * args )
{
Camera *cam = self->camera;
ScriptLink *slink = NULL;
slink = &( cam )->scriptlink;
return EXPP_addScriptLink( slink, args, 0 );
}
/* cam.clearScriptLinks */
static PyObject *Camera_clearScriptLinks( BPy_Camera * self, PyObject * args )
{
Camera *cam = self->camera;
ScriptLink *slink = NULL;
slink = &( cam )->scriptlink;
return EXPP_clearScriptLinks( slink, args );
}
/* cam.getScriptLinks */
static PyObject *Camera_oldgetScriptLinks( BPy_Camera * self, PyObject * value )
{
Camera *cam = self->camera;
ScriptLink *slink = NULL;
PyObject *ret = NULL;
slink = &( cam )->scriptlink;
ret = EXPP_getScriptLinks( slink, value, 0 );
if( ret )
return ret;
else
return NULL;
}
/* cam.__copy__ */
static PyObject *Camera_copy( BPy_Camera * self )
{
PyObject *pycam; /* for Camera Data object wrapper in Python */
Camera *blcam; /* for actual Camera Data we create in Blender */
blcam = copy_camera( self->camera ); /* first create the Camera Data in Blender */
if( blcam ) /* now create the wrapper obj in Python */
pycam = Camera_CreatePyObject( blcam );
else
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"couldn't create Camera Data in Blender" );
/* let's return user count to zero, because ... */
blcam->id.us = 0; /* ... copy_camera() incref'ed it */
/* XXX XXX Do this in other modules, too */
if( pycam == NULL )
return EXPP_ReturnPyObjError( PyExc_MemoryError,
"couldn't create Camera PyObject" );
return pycam;
}
static PyObject *Camera_getType( BPy_Camera * self )
{
if (self->camera->type == EXPP_CAM_TYPE_PERSP)
return PyString_FromString("persp");
else /* must be EXPP_CAM_TYPE_ORTHO */
return PyString_FromString("ortho");
}
static int Camera_setType( BPy_Camera * self, PyObject * value )
{
char *type = NULL;
type = PyString_AsString(value);
if (!type)
return EXPP_ReturnIntError( PyExc_ValueError,
"expected a string" );
if (strcmp("persp", type)==0) {
self->camera->type = EXPP_CAM_TYPE_PERSP;
return 0;
} else if (strcmp("ortho", type)==0) {
self->camera->type = EXPP_CAM_TYPE_ORTHO;
return 0;
}
return EXPP_ReturnIntError( PyExc_ValueError,
"expected a string \"ortho\" or \"persp\"" );
}
static PyObject *Camera_getMode( BPy_Camera * self )
{
return PyInt_FromLong(self->camera->flag);
}
static int Camera_setMode( BPy_Camera * self, PyObject * value )
{
unsigned int flag = 0;
if( !PyInt_Check( value ) )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected an integer (bitmask) as argument" );
flag = ( unsigned int )PyInt_AS_LONG( value );
self->camera->flag = flag;
return 0;
}
static PyObject *Camera_getIpo( BPy_Camera * self )
{
struct Ipo *ipo = self->camera->ipo;
if( ipo )
return Ipo_CreatePyObject( ipo );
Py_RETURN_NONE;
}
static int Camera_setIpo( BPy_Camera * self, PyObject * value )
{
return GenericLib_assignData(value, (void **) &self->camera->ipo, 0, 1, ID_IP, ID_CA);
}
/*
* get floating point attributes
*/
static PyObject *getFloatAttr( BPy_Camera *self, void *type )
{
float param;
struct Camera *cam= self->camera;
switch( GET_INT_FROM_POINTER(type) ) {
case EXPP_CAM_ATTR_LENS:
param = cam->lens;
break;
case EXPP_CAM_ATTR_ANGLE:
param = 360.0f * atan(16.0f/cam->lens) / M_PI;
break;
case EXPP_CAM_ATTR_DOFDIST:
param = cam->YF_dofdist;
break;
case EXPP_CAM_ATTR_CLIPSTART:
param = cam->clipsta;
break;
case EXPP_CAM_ATTR_CLIPEND:
param = cam->clipend;
break;
case EXPP_CAM_ATTR_DRAWSIZE:
param = cam->drawsize;
break;
case EXPP_CAM_ATTR_SCALE:
param = cam->ortho_scale;
break;
case EXPP_CAM_ATTR_ALPHA:
param = cam->passepartalpha;
break;
case EXPP_CAM_ATTR_SHIFTX:
param = cam->shiftx;
break;
case EXPP_CAM_ATTR_SHIFTY:
param = cam->shifty;
break;
default:
return EXPP_ReturnPyObjError( PyExc_RuntimeError,
"undefined type in getFloatAttr" );
}
return PyFloat_FromDouble( param );
}
/*
* set floating point attributes which require clamping
*/
static int setFloatAttrClamp( BPy_Camera *self, PyObject *value, void *type )
{
float *param;
struct Camera *cam = self->camera;
float min, max;
int ret;
switch( GET_INT_FROM_POINTER(type) ) {
case EXPP_CAM_ATTR_LENS:
min = 1.0;
max = 250.0;
param = &cam->lens;
break;
case EXPP_CAM_ATTR_ANGLE:
min = 7.323871;
max = 172.847331;
param = &cam->lens;
break;
case EXPP_CAM_ATTR_DOFDIST:
min = 0.0;
max = 5000.0;
param = &cam->YF_dofdist;
break;
case EXPP_CAM_ATTR_CLIPSTART:
min = 0.0;
max = 100.0;
param = &cam->clipsta;
break;
case EXPP_CAM_ATTR_CLIPEND:
min = 1.0;
max = 5000.0;
param = &cam->clipend;
break;
case EXPP_CAM_ATTR_DRAWSIZE:
min = 0.1f;
max = 10.0;
param = &cam->drawsize;
break;
case EXPP_CAM_ATTR_SCALE:
min = 0.01f;
max = 1000.0;
param = &cam->ortho_scale;
break;
case EXPP_CAM_ATTR_ALPHA:
min = 0.0;
max = 1.0;
param = &cam->passepartalpha;
break;
case EXPP_CAM_ATTR_SHIFTX:
min = -2.0;
max = 2.0;
param = &cam->shiftx;
break;
case EXPP_CAM_ATTR_SHIFTY:
min = -2.0;
max = 2.0;
param = &cam->shifty;
break;
default:
return EXPP_ReturnIntError( PyExc_RuntimeError,
"undefined type in setFloatAttrClamp" );
}
ret = EXPP_setFloatClamped( value, param, min, max );
if (ret==0) {
if (GET_INT_FROM_POINTER(type) == EXPP_CAM_ATTR_ANGLE) {
cam->lens = 16.0f / tan(M_PI*cam->lens/360.0f);
}
}
return ret;
}
/*
* get floating point attributes
*/
static PyObject *getFlagAttr( BPy_Camera *self, void *type )
{
if (self->camera->flag & GET_INT_FROM_POINTER(type))
Py_RETURN_TRUE;
else
Py_RETURN_FALSE;
}
/*
* set floating point attributes which require clamping
*/
static int setFlagAttr( BPy_Camera *self, PyObject *value, void *type )
{
int param = PyObject_IsTrue( value );
if( param == -1 )
return EXPP_ReturnIntError( PyExc_TypeError,
"expected True/False or 0/1" );
if (param)
self->camera->flag |= GET_INT_FROM_POINTER(type);
else
self->camera->flag &= ~GET_INT_FROM_POINTER(type);
return 0;
}
/*****************************************************************************/
/* Python attributes get/set structure: */
/*****************************************************************************/
static PyGetSetDef BPy_Camera_getseters[] = {
GENERIC_LIB_GETSETATTR,
{"type",
(getter)Camera_getType, (setter)Camera_setType,
"camera type \"persp\" or \"ortho\"",
NULL},
{"mode",
(getter)Camera_getMode, (setter)Camera_setMode,
"Cameras mode",
NULL},
{"ipo",
(getter)Camera_getIpo, (setter)Camera_setIpo,
"Cameras ipo",
NULL},
/* float settings */
{"lens",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"lens angle for perspective cameras",
(void *)EXPP_CAM_ATTR_LENS},
{"angle",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"lens angle for perspective cameras",
(void *)EXPP_CAM_ATTR_ANGLE},
{"scale",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"scale for ortho cameras",
(void *)EXPP_CAM_ATTR_SCALE},
{"clipStart",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the cameras clip start",
(void *)EXPP_CAM_ATTR_CLIPSTART},
{"clipEnd",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the cameras clip end",
(void *)EXPP_CAM_ATTR_CLIPEND},
{"shiftX",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the cameras X perspective shift",
(void *)EXPP_CAM_ATTR_SHIFTX},
{"shiftY",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the cameras Y perspective shift",
(void *)EXPP_CAM_ATTR_SHIFTY},
{"dofDist",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"cameras dof distance",
(void *)EXPP_CAM_ATTR_DOFDIST},
{"drawSize",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"the cameras display size",
(void *)EXPP_CAM_ATTR_DRAWSIZE},
{"alpha",
(getter)getFloatAttr, (setter)setFloatAttrClamp,
"passepart alpha value for display",
(void *)EXPP_CAM_ATTR_ALPHA},
/* flags - use flags as defined in DNA_camera_types.h */
{"drawLimits",
(getter)getFlagAttr, (setter)setFlagAttr,
"toggle the draw limits display flag",
(void *)CAM_SHOWLIMITS},
{"drawMist",
(getter)getFlagAttr, (setter)setFlagAttr,
"toggle the draw mist display flag",
(void *)CAM_SHOWMIST},
{"drawName",
(getter)getFlagAttr, (setter)setFlagAttr,
"toggle the draw name display flag",
(void *)CAM_SHOWNAME},
{"drawTileSafe",
(getter)getFlagAttr, (setter)setFlagAttr,
"toggle the tile safe display flag",
(void *)CAM_SHOWTITLESAFE},
{"drawPassepartout",
(getter)getFlagAttr, (setter)setFlagAttr,
"toggle the passPartOut display flag",
(void *)CAM_SHOWPASSEPARTOUT},
{"angleToggle",
(getter)getFlagAttr, (setter)setFlagAttr,
"toggle the camera input unit flag",
(void *)CAM_ANGLETOGGLE},
{NULL,NULL,NULL,NULL} /* Sentinel */
};
/*****************************************************************************/
/* Python Camera_Type structure definition: */
/*****************************************************************************/
PyTypeObject Camera_Type = {
PyObject_HEAD_INIT( NULL ) /* required py macro */
0, /* ob_size */
/* For printing, in format "<module>.<name>" */
"Blender Camera", /* char *tp_name; */
sizeof( BPy_Camera ), /* int tp_basicsize; */
0, /* tp_itemsize; For allocation */
/* Methods to implement standard operations */
NULL, /* destructor tp_dealloc; */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
( cmpfunc ) Camera_compare, /* cmpfunc tp_compare; */
( reprfunc ) Camera_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_Camera_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
BPy_Camera_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
};
static int Camera_compare( BPy_Camera * a, BPy_Camera * b )
{
Camera *pa = a->camera, *pb = b->camera;
return ( pa == pb ) ? 0 : -1;
}
static PyObject *Camera_repr( BPy_Camera * self )
{
return PyString_FromFormat( "[Camera \"%s\"]",
self->camera->id.name + 2 );
}
/*
* Camera_insertIpoKey()
* inserts Camera IPO key for LENS and CLIPPING
*/
static PyObject *Camera_insertIpoKey( BPy_Camera * self, PyObject * args )
{
int key = 0;
if( !PyArg_ParseTuple( args, "i", &( key ) ) )
return ( EXPP_ReturnPyObjError( PyExc_AttributeError,
"expected int argument" ) );
if (key == IPOKEY_LENS){
insertkey((ID *)self->camera, ID_CA, NULL, NULL, CAM_LENS, 0);
}
else if (key == IPOKEY_CLIPPING){
insertkey((ID *)self->camera, ID_CA, NULL, NULL, CAM_STA, 0);
insertkey((ID *)self->camera, ID_CA, NULL, NULL, CAM_END, 0);
}
allspace(REMAKEIPO, 0);
EXPP_allqueue(REDRAWIPO, 0);
EXPP_allqueue(REDRAWVIEW3D, 0);
EXPP_allqueue(REDRAWACTION, 0);
EXPP_allqueue(REDRAWNLA, 0);
Py_RETURN_NONE;
}