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blender-archive/source/blender/freestyle/intern/python/BPy_Freestyle.cpp
Tamito Kajiyama 7afbdff1b6 Fix for a crash due to the changes in the trunk revision 50087 for thread safety in curve evaluation.
Problem report from Vicente Carro with an example .blend file for reproducing the issue.  Thanks!
2012-09-23 15:05:29 +00:00

510 lines
15 KiB
C++

#include "BPy_Freestyle.h"
#include "BPy_BBox.h"
#include "BPy_BinaryPredicate0D.h"
#include "BPy_BinaryPredicate1D.h"
#include "BPy_ContextFunctions.h"
#include "BPy_Convert.h"
#include "BPy_FrsMaterial.h"
#include "BPy_FrsNoise.h"
#include "BPy_Id.h"
#include "BPy_IntegrationType.h"
#include "BPy_Interface0D.h"
#include "BPy_Interface1D.h"
#include "BPy_Iterator.h"
#include "BPy_MediumType.h"
#include "BPy_Nature.h"
#include "BPy_Operators.h"
#include "BPy_SShape.h"
#include "BPy_StrokeAttribute.h"
#include "BPy_StrokeShader.h"
#include "BPy_UnaryFunction0D.h"
#include "BPy_UnaryFunction1D.h"
#include "BPy_UnaryPredicate0D.h"
#include "BPy_UnaryPredicate1D.h"
#include "BPy_ViewMap.h"
#include "BPy_ViewShape.h"
#ifdef __cplusplus
extern "C" {
#endif
///////////////////////////////////////////////////////////////////////////////////////////
//------------------------ MODULE FUNCTIONS ----------------------------------
#include "FRS_freestyle.h"
#include "RNA_access.h"
#include "bpy_rna.h" /* pyrna_struct_CreatePyObject() */
static char Freestyle_getCurrentScene___doc__[] =
".. function:: getCurrentScene()\n"
"\n"
" Returns the current scene.\n"
"\n"
" :return: The current scene.\n"
" :rtype: :class:`bpy.types.Scene`\n";
static PyObject *Freestyle_getCurrentScene( PyObject *self )
{
if (!freestyle_scene) {
PyErr_SetString(PyExc_TypeError, "current scene not available");
return NULL;
}
PointerRNA ptr_scene;
RNA_pointer_create(NULL, &RNA_Scene, freestyle_scene, &ptr_scene);
return pyrna_struct_CreatePyObject(&ptr_scene);
}
#include "DNA_material_types.h"
static int ramp_blend_type(const char *type)
{
if (!strcmp(type, "MIX")) return MA_RAMP_BLEND;
if (!strcmp(type, "ADD")) return MA_RAMP_ADD;
if (!strcmp(type, "MULTIPLY")) return MA_RAMP_MULT;
if (!strcmp(type, "SUBTRACT")) return MA_RAMP_SUB;
if (!strcmp(type, "SCREEN")) return MA_RAMP_SCREEN;
if (!strcmp(type, "DIVIDE")) return MA_RAMP_DIV;
if (!strcmp(type, "DIFFERENCE")) return MA_RAMP_DIFF;
if (!strcmp(type, "DARKEN")) return MA_RAMP_DARK;
if (!strcmp(type, "LIGHTEN")) return MA_RAMP_LIGHT;
if (!strcmp(type, "OVERLAY")) return MA_RAMP_OVERLAY;
if (!strcmp(type, "DODGE")) return MA_RAMP_DODGE;
if (!strcmp(type, "BURN")) return MA_RAMP_BURN;
if (!strcmp(type, "HUE")) return MA_RAMP_HUE;
if (!strcmp(type, "SATURATION")) return MA_RAMP_SAT;
if (!strcmp(type, "VALUE")) return MA_RAMP_VAL;
if (!strcmp(type, "COLOR")) return MA_RAMP_COLOR;
if (!strcmp(type, "SOFT LIGHT")) return MA_RAMP_SOFT;
if (!strcmp(type, "LINEAR LIGHT")) return MA_RAMP_LINEAR;
return -1;
}
#include "BKE_material.h" /* ramp_blend() */
static char Freestyle_blendRamp___doc__[] =
".. function:: blendRamp(type, color1, fac, color2)\n"
"\n"
" Blend two colors according to a ramp blend type.\n"
"\n"
" :arg type: Ramp blend type.\n"
" :type type: int\n"
" :arg color1: 1st color.\n"
" :type color1: :class:`mathutils.Vector`, list or tuple of 3 real numbers\n"
" :arg fac: Blend factor.\n"
" :type fac: float\n"
" :arg color2: 1st color.\n"
" :type color2: :class:`mathutils.Vector`, list or tuple of 3 real numbers\n"
" :return: Blended color in RGB format.\n"
" :rtype: :class:`mathutils.Vector`\n";
static PyObject *Freestyle_blendRamp( PyObject *self, PyObject *args )
{
PyObject *obj1, *obj2;
char *s;
int type;
Vec3f *v1 = NULL, *v2 = NULL;
float a[3], fac, b[3];
if (!PyArg_ParseTuple(args, "sOfO", &s, &obj1, &fac, &obj2))
return NULL;
type = ramp_blend_type(s);
if (type < 0) {
PyErr_SetString(PyExc_TypeError, "argument 1 is an unknown ramp blend type");
goto error;
}
v1 = Vec3f_ptr_from_PyObject(obj1);
if (!v1) {
PyErr_SetString(PyExc_TypeError, "argument 2 must be a 3D vector (either a tuple/list of 3 elements or Vector)");
goto error;
}
v2 = Vec3f_ptr_from_PyObject(obj2);
if (!v2) {
PyErr_SetString(PyExc_TypeError, "argument 4 must be a 3D vector (either a tuple/list of 3 elements or Vector)");
goto error;
}
a[0] = v1->x(); b[0] = v2->x();
a[1] = v1->y(); b[1] = v2->y();
a[2] = v1->z(); b[2] = v2->z();
ramp_blend(type, a, fac, b);
delete v1;
delete v2;
return Vector_CreatePyObject( a, 3, Py_NEW, NULL);
error:
if (v1) delete v1;
if (v2) delete v2;
return NULL;
}
#include "BKE_texture.h" /* do_colorband() */
static char Freestyle_evaluateColorRamp___doc__[] =
".. function:: evaluateColorRamp(ramp, in)\n"
"\n"
" Evaluate a color ramp at a point in the interval 0 to 1.\n"
"\n"
" :arg ramp: Color ramp object.\n"
" :type ramp: :class:`bpy.types.ColorRamp`\n"
" :arg in: Value in the interval 0 to 1.\n"
" :type in: float\n"
" :return: color in RGBA format.\n"
" :rtype: :class:`mathutils.Vector`\n";
static PyObject *Freestyle_evaluateColorRamp( PyObject *self, PyObject *args )
{
BPy_StructRNA *py_srna;
ColorBand *coba;
float in, out[4];
if(!( PyArg_ParseTuple(args, "O!f", &pyrna_struct_Type, &py_srna, &in) ))
return NULL;
if(!RNA_struct_is_a(py_srna->ptr.type, &RNA_ColorRamp)) {
PyErr_SetString(PyExc_TypeError, "1st argument is not a ColorRamp object");
return NULL;
}
coba = (ColorBand *)py_srna->ptr.data;
if (!do_colorband(coba, in, out)) {
PyErr_SetString(PyExc_ValueError, "failed to evaluate the color ramp");
return NULL;
}
return Vector_CreatePyObject( out, 4, Py_NEW, NULL);
}
#include "DNA_color_types.h"
#include "BKE_colortools.h" /* curvemapping_evaluateF() */
static char Freestyle_evaluateCurveMappingF___doc__[] =
".. function:: evaluateCurveMappingF(cumap, cur, value)\n"
"\n"
" Evaluate a curve mapping at a point in the interval 0 to 1.\n"
"\n"
" :arg cumap: Curve mapping object.\n"
" :type cumap: :class:`bpy.types.CurveMapping`\n"
" :arg cur: Index of the curve to be used (0 <= cur <= 3).\n"
" :type cur: int\n"
" :arg value: Input value in the interval 0 to 1.\n"
" :type value: float\n"
" :return: Mapped output value.\n"
" :rtype: float\n";
static PyObject *Freestyle_evaluateCurveMappingF( PyObject *self, PyObject *args )
{
BPy_StructRNA *py_srna;
CurveMapping *cumap;
int cur;
float value;
if(!( PyArg_ParseTuple(args, "O!if", &pyrna_struct_Type, &py_srna, &cur, &value) ))
return NULL;
if(!RNA_struct_is_a(py_srna->ptr.type, &RNA_CurveMapping)) {
PyErr_SetString(PyExc_TypeError, "1st argument is not a CurveMapping object");
return NULL;
}
if (cur < 0 || cur > 3) {
PyErr_SetString(PyExc_ValueError, "2nd argument is out of range");
return NULL;
}
cumap = (CurveMapping *)py_srna->ptr.data;
curvemapping_initialize(cumap);
/* disable extrapolation if enabled */
if ((cumap->cm[cur].flag & CUMA_EXTEND_EXTRAPOLATE)) {
cumap->cm[cur].flag &= ~( CUMA_EXTEND_EXTRAPOLATE );
curvemapping_changed(cumap, 0);
}
return PyFloat_FromDouble(curvemapping_evaluateF(cumap, cur, value));
}
/*-----------------------Freestyle module docstring----------------------------*/
static char module_docstring[] =
"This module provides classes for defining line drawing rules (such as\n"
"predicates, functions, chaining iterators, and stroke shaders), as well\n"
"as helper functions for style module writing.\n"
"\n"
"Class hierarchy:\n"
"\n"
"- :class:`BBox`\n"
"- :class:`BinaryPredicate0D`\n"
"- :class:`BinaryPredicate1D`\n"
"\n"
" - :class:`FalseBP1D`\n"
" - :class:`Length2DBP1D`\n"
" - :class:`SameShapeIdBP1D`\n"
" - :class:`TrueBP1D`\n"
" - :class:`ViewMapGradientNormBP1D`\n"
"\n"
"- :class:`Id`\n"
"- :class:`Interface0D`\n"
"\n"
" - :class:`CurvePoint`\n"
"\n"
" - :class:`StrokeVertex`\n"
"\n"
" - :class:`SVertex`\n"
" - :class:`ViewVertex`\n"
"\n"
" - :class:`NonTVertex`\n"
" - :class:`TVertex`\n"
"\n"
"- :class:`Interface1D`\n"
"\n"
" - :class:`Curve`\n"
"\n"
" - :class:`Chain`\n"
"\n"
" - :class:`FEdge`\n"
"\n"
" - :class:`FEdgeSharp`\n"
" - :class:`FEdgeSmooth`\n"
"\n"
" - :class:`Stroke`\n"
" - :class:`ViewEdge`\n"
"\n"
"- :class:`Iterator`\n"
"\n"
" - :class:`AdjacencyIterator`\n"
" - :class:`CurvePointIterator`\n"
" - :class:`Interface0DIterator`\n"
" - :class:`SVertexIterator`\n"
" - :class:`StrokeVertexIterator`\n"
" - :class:`ViewEdgeIterator`\n"
"\n"
" - :class:`ChainingIterator`\n"
"\n"
" - :class:`ChainPredicateIterator`\n"
" - :class:`ChainSilhouetteIterator`\n"
"\n"
" - :class:`orientedViewEdgeIterator`\n"
"\n"
"- :class:`Material`\n"
"- :class:`Noise`\n"
"- :class:`Operators`\n"
"- :class:`SShape`\n"
"- :class:`StrokeAttribute`\n"
"- :class:`StrokeShader`\n"
"\n"
" - :class:`BackboneStretcherShader`\n"
" - :class:`BezierCurveShader`\n"
" - :class:`CalligraphicShader`\n"
" - :class:`ColorNoiseShader`\n"
" - :class:`ColorVariationPatternShader`\n"
" - :class:`ConstantColorShader`\n"
" - :class:`ConstantThicknessShader`\n"
" - :class:`ConstrainedIncreasingThicknessShader`\n"
" - :class:`GuidingLinesShader`\n"
" - :class:`IncreasingColorShader`\n"
" - :class:`IncreasingThicknessShader`\n"
" - :class:`PolygonalizationShader`\n"
" - :class:`SamplingShader`\n"
" - :class:`SmoothingShader`\n"
" - :class:`SpatialNoiseShader`\n"
" - :class:`StrokeTextureShader`\n"
" - :class:`TextureAssignerShader`\n"
" - :class:`ThicknessNoiseShader`\n"
" - :class:`ThicknessVariationPatternShader`\n"
" - :class:`TipRemoverShader`\n"
" - :class:`fstreamShader`\n"
" - :class:`streamShader`\n"
"\n"
"- :class:`UnaryFunction0D`\n"
"\n"
" - :class:`UnaryFunction0DDouble`\n"
"\n"
" - :class:`Curvature2DAngleF0D`\n"
" - :class:`DensityF0D`\n"
" - :class:`GetProjectedXF0D`\n"
" - :class:`GetProjectedYF0D`\n"
" - :class:`GetProjectedZF0D`\n"
" - :class:`GetXF0D`\n"
" - :class:`GetYF0D`\n"
" - :class:`GetZF0D`\n"
" - :class:`LocalAverageDepthF0D`\n"
" - :class:`ZDiscontinuityF0D`\n"
"\n"
" - :class:`UnaryFunction0DEdgeNature`\n"
"\n"
" - :class:`CurveNatureF0D`\n"
"\n"
" - :class:`UnaryFunction0DFloat`\n"
"\n"
" - :class:`GetCurvilinearAbscissaF0D`\n"
" - :class:`GetParameterF0D`\n"
" - :class:`GetViewMapGradientNormF0D`\n"
" - :class:`ReadCompleteViewMapPixelF0D`\n"
" - :class:`ReadMapPixelF0D`\n"
" - :class:`ReadSteerableViewMapPixelF0D`\n"
"\n"
" - :class:`UnaryFunction0DId`\n"
"\n"
" - :class:`ShapeIdF0D`\n"
"\n"
" - :class:`UnaryFunction0DMaterial`\n"
"\n"
" - :class:`MaterialF0D`\n"
"\n"
" - :class:`UnaryFunction0DUnsigned`\n"
"\n"
" - :class:`QuantitativeInvisibilityF0D`\n"
"\n"
" - :class:`UnaryFunction0DVec2f`\n"
"\n"
" - :class:`Normal2DF0D`\n"
" - :class:`VertexOrientation2DF0D`\n"
"\n"
" - :class:`UnaryFunction0DVec3f`\n"
"\n"
" - :class:`VertexOrientation3DF0D`\n"
"\n"
" - :class:`UnaryFunction0DVectorViewShape`\n"
"\n"
" - :class:`GetOccludersF0D`\n"
"\n"
" - :class:`UnaryFunction0DViewShape`\n"
"\n"
" - :class:`GetOccludeeF0D`\n"
" - :class:`GetShapeF0D`\n"
"\n"
"- :class:`UnaryFunction1D`\n"
"\n"
" - :class:`UnaryFunction1DDouble`\n"
"\n"
" - :class:`Curvature2DAngleF1D`\n"
" - :class:`DensityF1D`\n"
" - :class:`GetCompleteViewMapDensityF1D`\n"
" - :class:`GetDirectionalViewMapDensityF1D`\n"
" - :class:`GetProjectedXF1D`\n"
" - :class:`GetProjectedYF1D`\n"
" - :class:`GetProjectedZF1D`\n"
" - :class:`GetSteerableViewMapDensityF1D`\n"
" - :class:`GetViewMapGradientNormF1D`\n"
" - :class:`GetXF1D`\n"
" - :class:`GetYF1D`\n"
" - :class:`GetZF1D`\n"
" - :class:`LocalAverageDepthF1D`\n"
" - :class:`ZDiscontinuityF1D`\n"
"\n"
" - :class:`UnaryFunction1DEdgeNature`\n"
"\n"
" - :class:`CurveNatureF1D`\n"
"\n"
" - :class:`UnaryFunction1DFloat`\n"
" - :class:`UnaryFunction1DUnsigned`\n"
"\n"
" - :class:`QuantitativeInvisibilityF1D`\n"
"\n"
" - :class:`UnaryFunction1DVec2f`\n"
"\n"
" - :class:`Normal2DF1D`\n"
" - :class:`Orientation2DF1D`\n"
"\n"
" - :class:`UnaryFunction1DVec3f`\n"
"\n"
" - :class:`Orientation3DF1D`\n"
"\n"
" - :class:`UnaryFunction1DVectorViewShape`\n"
"\n"
" - :class:`GetOccludeeF1D`\n"
" - :class:`GetOccludersF1D`\n"
" - :class:`GetShapeF1D`\n"
"\n"
" - :class:`UnaryFunction1DVoid`\n"
"\n"
" - :class:`ChainingTimeStampF1D`\n"
" - :class:`IncrementChainingTimeStampF1D`\n"
" - :class:`TimeStampF1D`\n"
"\n"
"- :class:`UnaryPredicate0D`\n"
"\n"
" - :class:`FalseUP0D`\n"
" - :class:`TrueUP0D`\n"
"\n"
"- :class:`UnaryPredicate1D`\n"
"\n"
" - :class:`ContourUP1D`\n"
" - :class:`DensityLowerThanUP1D`\n"
" - :class:`EqualToChainingTimeStampUP1D`\n"
" - :class:`EqualToTimeStampUP1D`\n"
" - :class:`ExternalContourUP1D`\n"
" - :class:`FalseUP1D`\n"
" - :class:`QuantitativeInvisibilityUP1D`\n"
" - :class:`ShapeUP1D`\n"
" - :class:`TrueUP1D`\n"
"\n"
"- :class:`ViewMap`\n"
"- :class:`ViewShape`\n"
"- :class:`IntegrationType`\n"
"- :class:`MediumType`\n"
"- :class:`Nature`\n"
"\n";
/*-----------------------Freestyle module method def---------------------------*/
static PyMethodDef module_functions[] = {
{"getCurrentScene", ( PyCFunction ) Freestyle_getCurrentScene, METH_NOARGS, Freestyle_getCurrentScene___doc__},
{"blendRamp", ( PyCFunction ) Freestyle_blendRamp, METH_VARARGS, Freestyle_blendRamp___doc__},
{"evaluateColorRamp", ( PyCFunction ) Freestyle_evaluateColorRamp, METH_VARARGS, Freestyle_evaluateColorRamp___doc__},
{"evaluateCurveMappingF", ( PyCFunction ) Freestyle_evaluateCurveMappingF, METH_VARARGS, Freestyle_evaluateCurveMappingF___doc__},
{NULL, NULL, 0, NULL}
};
/*-----------------------Freestyle module definition---------------------------*/
static PyModuleDef module_definition = {
PyModuleDef_HEAD_INIT,
"Freestyle",
module_docstring,
-1,
module_functions
};
//-------------------MODULE INITIALIZATION--------------------------------
PyObject *Freestyle_Init( void )
{
PyObject *module;
// initialize modules
module = PyModule_Create(&module_definition);
if (!module)
return NULL;
PyDict_SetItemString(PySys_GetObject("modules"), module_definition.m_name, module);
// attach its classes (adding the object types to the module)
// those classes have to be initialized before the others
MediumType_Init( module );
Nature_Init( module );
BBox_Init( module );
BinaryPredicate0D_Init( module );
BinaryPredicate1D_Init( module );
ContextFunctions_Init( module );
FrsMaterial_Init( module );
FrsNoise_Init( module );
Id_Init( module );
IntegrationType_Init( module );
Interface0D_Init( module );
Interface1D_Init( module );
Iterator_Init( module );
Operators_Init( module );
SShape_Init( module );
StrokeAttribute_Init( module );
StrokeShader_Init( module );
UnaryFunction0D_Init( module );
UnaryFunction1D_Init( module );
UnaryPredicate0D_Init( module );
UnaryPredicate1D_Init( module );
ViewMap_Init( module );
ViewShape_Init( module );
return module;
}
///////////////////////////////////////////////////////////////////////////////////////////
#ifdef __cplusplus
}
#endif