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* Added to python/BPy_Convert.{cpp,h} 4 utility converters below for
better introspection-based automatic type conversion.
PyObject * Any_BPy_Interface0D_from_Interface0D( Interface0D& if0D );
PyObject * Any_BPy_Interface1D_from_Interface1D( Interface1D& if1D );
PyObject * Any_BPy_FEdge_from_FEdge( FEdge& fe );
PyObject * Any_BPy_ViewVertex_from_ViewVertex( ViewVertex& vv );
There are 4 corresponding converters without the "Any_" prefix. All
calls of them in the code base were replaced with these new converters
so that the introspection-based automatic conversion would take place
universally.
* python/BPy_Convert.{cpp,h}: Those C++ to Python converters having
had a "_ptr" suffix were renamed to a name without the suffix, and
their arguments were changed so as to take a reference (e.g.,
ViewVertex&) instead of a pointer (e.g., ViewVertex *). The changed
converters and their new function prototypes are listed below. These
converters now return a Python wrapper object that retains the passed
reference, instead of retaining a newly created C++ object by the
converters.
// Interface0D converters
PyObject * BPy_Interface0D_from_Interface0D( Interface0D& if0D );
PyObject * BPy_CurvePoint_from_CurvePoint( CurvePoint& cp );
PyObject * BPy_StrokeVertex_from_StrokeVertex( StrokeVertex& sv );
PyObject * BPy_SVertex_from_SVertex( SVertex& sv );
PyObject * BPy_ViewVertex_from_ViewVertex( ViewVertex& vv );
PyObject * BPy_TVertex_from_TVertex( TVertex& tv );
PyObject * BPy_NonTVertex_from_NonTVertex( NonTVertex& ntv );
// Interface1D converters
PyObject * BPy_Interface1D_from_Interface1D( Interface1D& if1D );
PyObject * BPy_Chain_from_Chain( Chain& c );
PyObject * BPy_FEdge_from_FEdge( FEdge& fe );
PyObject * BPy_FEdgeSharp_from_FEdgeSharp( FEdgeSharp& fes );
PyObject * BPy_FEdgeSmooth_from_FEdgeSmooth( FEdgeSmooth& fes );
PyObject * BPy_Stroke_from_Stroke( Stroke& s );
PyObject * BPy_ViewEdge_from_ViewEdge( ViewEdge& ve );
PyObject * BPy_directedViewEdge_from_directedViewEdge( ViewVertex::directedViewEdge& dve );
// some other converters
PyObject * BPy_ViewShape_from_ViewShape( ViewShape& vs );
PyObject * BPy_SShape_from_SShape( SShape& ss );
PyObject * BPy_FrsMaterial_from_FrsMaterial( FrsMaterial& m );
PyObject * BPy_StrokeAttribute_from_StrokeAttribute( StrokeAttribute& sa );
* Added a "borrowed" flag to the definitions of Python types being
used to wrap C++ components of Freestyle's internal data structures.
The flag indicates whether or not a Python wrapper object has a
reference to a C++ object that comprises the internal data structures.
The deallocation routines of the Python types check this flag and
release a wrapped C++ object only when it is not part of the internal
data structures. The following files were modified:
python/BPy_FrsMaterial.{cpp,h}
python/BPy_Interface0D.{cpp,h}
python/BPy_Interface1D.{cpp,h}
python/BPy_SShape.{cpp,h}
python/BPy_StrokeAttribute.{cpp,h}
python/BPy_ViewShape.{cpp,h}
python/Interface0D/BPy_CurvePoint.cpp
python/Interface0D/BPy_SVertex.cpp
python/Interface0D/BPy_ViewVertex.cpp
python/Interface0D/CurvePoint/BPy_StrokeVertex.cpp
python/Interface0D/ViewVertex/BPy_NonTVertex.cpp
python/Interface0D/ViewVertex/BPy_TVertex.cpp
python/Interface1D/BPy_FEdge.cpp
python/Interface1D/BPy_FrsCurve.cpp
python/Interface1D/BPy_Stroke.cpp
python/Interface1D/BPy_ViewEdge.cpp
python/Interface1D/Curve/BPy_Chain.cpp
python/Interface1D/FEdge/BPy_FEdgeSharp.cpp
python/Interface1D/FEdge/BPy_FEdgeSmooth.cpp
* view_map/Interface[01]D.h, python/BPy_Interface[01]D.cpp: Removed
from the Interface0D and Interface1D C++ classes a back pointer to a
Python wrapper object and all "director" calls. These classes (and
their subclasses) are used to build Freestyle's main data structures
(such as a view map and strokes) and their class hierarchy is static.
Python wrappers of these C++ classes are only used to access the data
structures from the Python layer, and not intended to extend the data
structures by subclassing the Python wrappers. Without the necessity
of subclassing in the Python layer, the back pointer to a wrapping
Python object and "director" calls would be useless (actually they
were not used at all), so they were all removed.
* python/Director.{cpp,h}: Removed the definitions of directors that
were no longer used.
* stroke/Stroke.{cpp,h}: Removed an (unused) back pointer to a Python
wrapper object.
* python/BPy_ViewMap.cpp: Fixed a possible null pointer reference.
* python/Interface1D/BPy_FEdge.cpp: Fixed parameter checking in
FEdge___init__().
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orientedViewEdgeIterator.
* Simplified Python-related error handling in C++ class definitions.
The definitions of the following C++ methods were simplified and most
code segments using the C/Python API were moved to Director.cpp.
ChainingIterator::init()
ChainingIterator::traverse()
UnaryPredicate0D::operator()()
UnaryPredicate1D::operator()()
BinaryPredicate0D::operator()()
BinaryPredicate1D::operator()()
UnaryFunction0D::operator()()
UnaryFunction1D::operator()()
StrokeShader.shade()
* Moved part of the introspection-based automatic type conversion code
from BPy_Interface0DIterator.cpp and Director.cpp to BPy_Convert.cpp
for the sake of better code organization.
* Fixed an uninitialized member in StrokeVertexIterator___init__().
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of the original styles are supported: stroke attributes are correctly taken into account, Python shaders are supported. Added SamplingShader.
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polymorphism for UnaryFunction0D, Interface0D, Interface1D. Add to change UnaryFunction1D<void> to static UnaryFunction1D_void. Resolved namespace collision on the Image class (changed to FrsImage). There is greater support for style modules but somehow, some do not show anything yet (japanese_bigbrush being an example).
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modules having with strokes without a representation and iterators not being correctly routed. For example, the cartoon style module should work now.
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polymorphism for the following classes: BinaryPredicate0D (__call__), BinaryPredicate1D (__call__), UnaryPredicate0D (__call__), UnaryPredicate1D (__call__), StrokeShader (shade), ChainingIterator (init, traverse).
Other methods could easily be supported in the future. The method now works as planned for the contour style. For style modules with Python shaders, there still is a problem that I will fix right away.
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former predicate methods were not working. As Stéphane had mentioned a few months ago, Freestyle uses SWIG directors to provide cross-language polymorphism. The API and the system I had provided did not support that feature and only implementations in C++ were supported. To correct the problem, after researching how directors are implemented in SWIG, I provided the same functionality. So far, I only provided the code for the UnaryPredicate1D class and it works. The implementation is in intern/python/Director.cpp and Operators.cpp. I will port the remaining directors tonight and continue to test it.
To prevent strokes from piling up after each render, I clear the canvas at each render now (as it should have been all along)
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