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True and False but also various other boolean expressions (e.g., 0,
1, and None) are accepted.
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and __call__ methods so that not only True and False but also various
other boolean expressions (e.g., 0, 1, and None) are accepted.
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Now the function results in 0 (radian) if the given Interface0DIterator
object has only 2 vertices, which is not considered an error.
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* fixed a bug that was introduced in the last commit.
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* changed CurvePointIterator::getObject() according to the changes
in revision 19456.
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* Changed BPy_CurvePoint_from_CurvePoint( CurvePoint& cp ) to
BPy_CurvePoint_from_CurvePoint_ptr( CurvePoint *cp ) so that it
retains a CurvePoint pointer instead of a CurvePoint instance.
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This will allow style modules to process the underlying color buffer ( AppCanvas::readColorPixels ) and depth buffer ( AppCanvas::readDepthPixels ), as was supported in the original program.
Corrected crash when Freestyle is rendered in "Single" render layer mode (for example, in the compositor)
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compiler warning.
Also made minor changes to make IntegrationType a subclass of the built-in int type.
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Cleaned up comments
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propagation up to the toplevel error handler in BPY_txt_do_python_Text().
Before these changes were made, the operator() methods of predicates
and functions, for example, returned a value of various types such as
bool, double and Vec2f. These returned values were not capable to
represent an error state in many cases.
Now the operator() methods always return 0 on normal exit and -1 on
error. The original returned values are stored in the "result" member
variables of the predicate/function classes.
This means that if we have a code fragment like below:
UnaryPredicate1D& pred;
Interface1D& inter;
if (pred(inter)) {
/* do something */
}
then we have to rewrite it as follows:
UnaryPredicate1D& pred;
Interface1D& inter;
if (pred(inter) < 0)
return -1; /* an error in pred() is propagated */
if (pred.result) {
/* do something */
}
Suppose that pred is a user-defined predicate in Python, i.e. the predicate
is likely error-prone (especially when debugging the predicate). The first
code fragment shown above prevents the proper error propagation because
the boolean return value of UnaryPredicate1D::operator() cannot inform the
occurrence of an error to the caller; the second code fragment can.
In addition to the operator() methods of predicates and functions, similar
improvements have been made to all other C++ API functions and methods that
are involved in the execution of user-defined Python code snippets. Changes
in the signatures of functions and methods are summarized as follows (note
that all subclasses of listed classes are also subject to the changes).
Old signatures:
virtual void Iterator::increment();
virtual void Iterator::decrement();
virtual void ChainingIterator::init();
virtual ViewEdge * ChainingIterator::traverse(const AdjacencyIterator &it);
static void Operators::select(UnaryPredicate1D& pred);
static void Operators::chain(ViewEdgeInternal::ViewEdgeIterator& it,
UnaryPredicate1D& pred, UnaryFunction1D_void& modifier);
static void Operators::chain(ViewEdgeInternal::ViewEdgeIterator& it,
UnaryPredicate1D& pred);
static void Operators::bidirectionalChain(ChainingIterator& it,
UnaryPredicate1D& pred);
static void Operators::bidirectionalChain(ChainingIterator& it);
static void Operators::sequentialSplit(UnaryPredicate0D& startingPred,
UnaryPredicate0D& stoppingPred, float sampling = 0);
static void Operators::sequentialSplit(UnaryPredicate0D& pred, float sampling = 0);
static void Operators::recursiveSplit(UnaryFunction0D<double>& func,
UnaryPredicate1D& pred, float sampling = 0);
static void Operators::recursiveSplit(UnaryFunction0D<double>& func,
UnaryPredicate0D& pred0d, UnaryPredicate1D& pred, float sampling = 0);
static void Operators::sort(BinaryPredicate1D& pred);
static void Operators::create(UnaryPredicate1D& pred, vector<StrokeShader*> shaders);
virtual bool UnaryPredicate0D::operator()(Interface0DIterator& it);
virtual bool BinaryPredicate0D::operator()(Interface0D& inter1, Interface0D& inter2);
virtual bool UnaryPredicate1D::operator()(Interface1D& inter);
virtual bool BinaryPredicate1D::operator()(Interface1D& inter1, Interface1D& inter2);
virtual void StrokeShader::shade(Stroke& ioStroke) const;
virtual T UnaryFunction0D::operator()(Interface0DIterator& iter);
virtual T UnaryFunction1D::operator()(Interface1D& inter);
New signatures:
virtual int Iterator::increment();
virtual int Iterator::decrement();
virtual int ChainingIterator::init();
virtual int ChainingIterator::traverse(const AdjacencyIterator &it);
static int Operators::select(UnaryPredicate1D& pred);
static int Operators::chain(ViewEdgeInternal::ViewEdgeIterator& it,
UnaryPredicate1D& pred, UnaryFunction1D_void& modifier);
static int Operators::chain(ViewEdgeInternal::ViewEdgeIterator& it,
UnaryPredicate1D& pred);
static int Operators::bidirectionalChain(ChainingIterator& it,
UnaryPredicate1D& pred);
static int Operators::bidirectionalChain(ChainingIterator& it);
static int Operators::sequentialSplit(UnaryPredicate0D& startingPred,
UnaryPredicate0D& stoppingPred, float sampling = 0);
static int Operators::sequentialSplit(UnaryPredicate0D& pred, float sampling = 0);
static int Operators::recursiveSplit(UnaryFunction0D<double>& func,
UnaryPredicate1D& pred, float sampling = 0);
static int Operators::recursiveSplit(UnaryFunction0D<double>& func,
UnaryPredicate0D& pred0d, UnaryPredicate1D& pred, float sampling = 0);
static int Operators::sort(BinaryPredicate1D& pred);
static int Operators::create(UnaryPredicate1D& pred, vector<StrokeShader*> shaders);
virtual int UnaryPredicate0D::operator()(Interface0DIterator& it);
virtual int BinaryPredicate0D::operator()(Interface0D& inter1, Interface0D& inter2);
virtual int UnaryPredicate1D::operator()(Interface1D& inter);
virtual int BinaryPredicate1D::operator()(Interface1D& inter1, Interface1D& inter2);
virtual int StrokeShader::shade(Stroke& ioStroke) const;
virtual int UnaryFunction0D::operator()(Interface0DIterator& iter);
virtual int UnaryFunction1D::operator()(Interface1D& inter);
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Also exported the Operators.chain() function.
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Also changed the type of integration type constants from int to IntegrationType.
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argument.
Now this method accepts 2D coordinates in the following three forms:
a) Python list of 2 real numbers: setPoint([x, y])
b) Blender Vector of 2 elements: setPoint(Vector(x, y))
c) 2 real numbers: setPoint(x, y)
[The log of Revision 19283 had a wrong message...]
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argument.
Now this method accepts 2D coordinates in the following three forms:
a) Python list of 2 real numbers: setPoint([x, y])
b) Blender Vector of 2 elements: setPoint(Vector(x, y))
c) 2 real numbers: setPoint(x, y)
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Added error handling to prevent crashes even when errors have occurred in user-defined predicates, stroke shaders, and chaining iterators.
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view map based on selected object layers in a render layer, instead of the global selection of object layers. This allows, for example, to have two render layers, one for rendering solid faces in all object layers, and the other for rendering outlines of objects in selected object layers by Freestyle. At the moment, the number of Freestyle-enabled render layers is restricted to one -- a better fix is in the future work.
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added an AppView class to transfer camera information from Blender to Freestyle
removed unused functions
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would end up in the text editor and pollute the text editor file list. This is corrected: executed scripts do not leave trails behind.
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handled case when scene is empty
made controller's view map as public variable
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on OpenGL accumulation buffer.
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renderer to raster strokes.
The render generated from Freestyle's data is currently stored in the original scene's render structure ( as 'freestyle_render'): when the render database is generated, the scene's geometrical data is first imported into Freestyle and strokes are calculated. The generated strokes are used to create a Blender scene, rendered independently. The render result is used in the rendering loop.
The final rendering is performed the same way edge rendering is, in a function ('freestyle_enhance_add') operating on each individual render part. Freestyle strokes are only included if the toggle button "Freestyle" (in the 'Output' panel) is active and if the "Freestyle" render layer is also selected. Freestyle's panel appears when the toggle button 'Freestyle' is active.
IMPORTANT: as of now, rendering ONLY works when OSA is disabled and when Xparts = Yparts = 1. If these settings are not set, a bogus image will be created.
To make the render happen, many modifications had to be made:
- the Canvas::Draw and Operators::create methods no longer render strokes. They only generate shading and locational information.
- a BlenderStrokeRenderer class was added to turn Freestyle's strokes into a Blender scene. Basically, the scene consists of strokes in their projected image 2D coordinates and an orthographic camera centered in the middle of the corresponding canvas. The scene is rendered using vertex colors, in shadeless mode (therefore, no lamp is needed). BlenderStrokeRenderer uses the old GLTextureManager to load textures (as required by the StrokeRenderer class), even though stroke textures are probably not supported (not tested). After the scene is rendered, it is safely and automatically discarded.
- AppCanvas' code was greatly reduced to the bare minimum. The former AppCanvas would use an OpenGL-based back buffer and z buffer to determine the scene's color and depth information. In the future, this data will be determined from the corresponding render passes. Currently, the integration is not achieved so all style modules using depth/color information are sure to fail.
- before, Freestyle needed an OpenGL context to determine the camera's information and to compute the view map. As of now, the modelview and projection matrices are fully determined using data provided by Blender. This means both perspective and orthographic projections are supported. The AppGLWidget will very soon be removed completely.
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StrokeVertexIterator.
freestyle_init.py
* Added a generic getName() method that allows subclasses to omit the method to return their class names.
BPy_Convert.cpp
BPy_Convert.h
* Added to BPy_StrokeVertexIterator_from_StrokeVertexIterator() a second argument to specify the direction (reversed or not) of the iterator to be created.
BPy_Stroke.cpp
* Added support for Python's native iterator protocol.
* Added code to parse the optional argument of strokeVerticesBegin().
BPy_StrokeVertexIterator.cpp
BPy_StrokeVertexIterator.h
* Added support for Python's native iterator protocol.
Stroke.cpp
* Fixed a null pointer reference.
Stroke.h
* Added new method Stroke::strokeVerticeAt(i) that returns the i-th StrokeVertex of the Stroke.
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renderer are respected by the Freestyle renderer as well.
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suggestive contours) and add corresponding UI controls to the Freestyle tab in the Scene buttons.
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nature-related functionalities (e.g. pyNatureUP1D() and CurveNatureF1D()).
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modes (OpenGL and Blender internal), applied a patch to allow CMake to be used for compilation.
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standard directory (.blender/scripts/freestyle), cleaned up some useless files. As of this revision, the environment variable FREESTYLE_BLENDER_DIR is NOT needed anymore
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(providing greater robustness), introduced the FRS_glBlendEquation that uses glBlendEquation/glBlendEquationEXT based on the system's capabilities.
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robustness for the Win32 build on older machines. In detail, the _blendEquation variable from AppCanvas is replaced by a _basic variable in Canvas, determing the rendering mode (standard with blending or basic). This latter variable is used to make sure that strokes are rendered in the right mode
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textures from the project
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joint operation with mxcurioni :)
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