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callbacks.
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Patch D839, needed for SVG-render to be made into an addon.
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This reverts commit 61a330baca0ff9bb3cf477c04f539ef276a0356f.
This completes reverting D785
This feature is to be reworked into an addon.
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This reverts commit 490f2aeb8247463a7ea1a86a3a8c4246fcf45f23.
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This reverts commit db249b787fe0875944e00df1a3d12a58d9a07249.
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This reverts commit 3cbb066b838b4d52673f3fd76c2f695a3491b8b6.
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This reverts commit 06cdc35a68d9a0bd2a84fd92bda2be11318d46ff.
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This reverts commit fc7752b53c793a6985525d4c099108a97cd7867e.
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This reverts commit c35a649a0a6c3c07bb8d56caba680887f726b9e9.
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Loading XML module, registering etree namespaces... etc
on startup for everyone on chance someone may want to export
an SVG from Freestyle is unacceptable.
This shouldn't have got through the review.
also disable loading when built without freestyle.
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Convention for existing export modules
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Features:
* Both still image and animation rendering, as well as polygon
fills are supported.
* The exporter creates a new SVG layer for every Freestyle line
set. The different layers are correctly sorted.
* SVG paths use data from line styles, so the base color of a
line style becomes the color of paths, idem for dashes and
stroke thickness.
* Strokes can be split at invisible parts. This functionality is
useful when exporting for instance dashed lines or line styles
with a Blue Print shader
* The exporter can be used not only in the Parameter Editor mode,
but also from within style modules written for the Python
Scripting mode.
Acknowledgements:
The author would like to thank Francesco Fantoni and Jarno
Leppänen for their [[ https://github.com/hvfrancesco/freestylesvg | Freestyle SVG exporter ]].
Differential revision: https://developer.blender.org/D785
Author: flokkievids (Folkert de Vries)
Reviewed by: kjym3 (Tamito Kajiyama)
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The reported issue was caused by a backward incompatibility due to careless
code changes made when per-material Freestyle line colors were introduced
in rB7915d7277ac8c605f016f30f943080556244fb59. In 2.71 line style
Material color/alpha/thickness modifiers was retrieving alpha transparency
from Material.alpha, whereas in 2.72 Material.line_color[3] was referenced.
The present fix reverts the aforementioned code changes.
This issue is a regression from 2.71, so the fix is appropriate for inclusion in
the 2.72a release.
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This patch removes several stroke shaders written in C++ that are unused
and don't serve a real purpose any more. The removed shaders are:
- BPy_ColorVariationPatternShader
- BPy_StrokeTextureShader
- BPy_TextureAssignerShader
- BPy_ThicknessVariationPatternShader
- BPy_fstreamShader
- BPy_streamShader
and a few more that weren't even exposed to the Python API.
Some minor edits were made by the reviewer.
Differential Revision: https://developer.blender.org/D801
Reviewed by: kjym3
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The following two sort keys are added for sorting chains.
* Projected X - Sort by the projected X value in the image coordinate system.
* Projected Y - Sort by the projected Y value in the image coordinate system.
A new line style option for the selection of first N chains is also added.
Moreover, the chain sorting and chain selection operations are now executed
in this order instead of the reverse order used previously. The UI has also
changed accordingly. This functional change is backward compatible and
won't result in visual differences.
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This is a safe fix for a regression from 2.71, so should be back ported to 2.72.
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Fixed dead references of API identifiers (e.g., freestyle.types.Interface0D)
due to relocations of the identifiers into submodules. Also made various minor
revisions of mark-ups and typos.
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Freestyle sections of the API docs were empty due to Freestyle module reorganization
in commit rB6498b96ce7081db039354228213d72e8c70bd3aa.
Module __all__ property was added to submodules so as to properly exclude irrelevant
documentation elements such as mathutils.Vector.
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The problem addressed here is that there was no mean to check if an iterator
points the last of the elements being iterated over. Such checking is necessary
to reliably dereference the iterator (i.e., calling the operator*() method of the
underlying C++ iterator object).
Now Interface0DIterator and StrokeVertexIterator have an .at_last property
to check if an iterator points the last element. Using this new API feature,
the present commit partly reverts the previous commit rBeb8964fb7f19 to
better address T41464.
Differential revision: https://developer.blender.org/D752
Author: flokkievids (Folkert de Vries)
Reviewed by: kjym3 (Tamito Kajiyama)
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The reported issue was caused by an old bug combined with another bug
introduced by recent Freestyle Python API updates.
The old bug was that a mutable reference to CurvePoint was treated as if
it were immutable. Iteration over CurvePoint objects is implemented by
the C++ CurvePointIterator class, whose dereference method
CurvePointIterator::operator*() returns a reference to a mutable data
member (probably originally intended for better performance). Hence the
returned reference may vary upon iteration over different CurvePoints.
This implementation detail was overlooked and the returned reference was
treated as immutable (which is the case in fact for other Interface0D
subclasses except for CurvePoint). This bug was surprisingly old as it
existed before the beginning of Freestyle integration into Blender.
The other bug was in the MaterialBoundaryUP0D predicate class that was
not properly handling the end of iteration. It is noted that when the
iter() and next() built-in functions are applied to Interface0DIterator,
it is no longer possible to reliably check the end of iteration by the
.is_end property of the iterator. Namely, the .is_end property works as
expected only when iteration is carried out in combination with the
conventional .increment() and .decrement() methods of the iterator. For
this reason the commit rBb408d8af31c9 was partly reverted to recover the
previous definition of MaterialBoundaryUP0D.
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Also made minor code cleanup.
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Removed the previous changes for passing a line style through the Controller, and
revised the BlenderTextureShader to assign the shader node tree of a line style
(if specified) to strokes. This way the assignment of shading nodes can be done
through both the Freestyle GUI and Python scripting.
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node-based textured strokes.
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In addition to D319, this patch updates the parameter editor, the UI of Freestyle.
Using new API functionality and experience gained in making D319, this patch
provides a quite noticable speedup for commonly-used Freestyle linestyle modifiers.
As this patch touches a lot of code (and mainly the foundations) it is likely that
mistakes are made. The patch has been tested with a regression suite for Freestyle
(https://github.com/folkertdev/freestyle-regression-tests/tree/master), but testing
with scenes used in production is very much appreciated.
Differential revision: https://developer.blender.org/D623
Author: flokkievids (Folkert de Vries)
Reviewed by: kjym3 (Tamito Kajiyama)
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New properties 'line_color' and 'line_priority' are added to Material ID data blocks.
The 'line_color' property allows users to specify a per-material line color that can be
used as a Freestyle line color through Material color modifiers of line style settings.
The new line color property is intended to provide a solution for line color
stylization when a proper Freestyle support for Cycles is implemented (likely
as part of the upcoming Blender 2.72 release; see Patch D632). Materials in
Cycles are usually set up using shader nodes, and Freestyle won't be capable
of retrieving colors and other properties from node-based materials any soon.
The new line color property of materials addresses this foreseen limitation by
providing artists with an intuitive alternative mean to specify line colors on a
per-material basis independently from node trees.
The 'line_priority' property gives users a way to control line colors at material
boundaries. When a line is drawn along a feature edge at material boundaries,
one of the two materials on both sides of the edge has to be picked up to
determine the line color. So far there was no way to control this selection
(which was in effect at random). Now the material with a higher line color
priority will be selected.
The new per-material line settings are shown in the new Freestyle Line tab in
the Material context of the Properties window (only when Freestyle is enabled).
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freestyle.chainingiterators.__all__.
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This revision is meant to update Freestyle's Python scripts to make full usage
of the new features of Python and Freestyle's Python API.
Freestyle's Python scripts are pretty old already, and were never given much
attention. With the 2.7x generation of Blender coming up, this is an excellent
time to update Freestyle's Python scripts, hopefully adding some new features
and achieving some speed improvements on the way.
Main goals:
* use for loops where possible
* general cleanup, making use of more recent python features (generators,
ternary operator, ect.)
* update the documentation on the way (it's lacking atm)
Differential revision: https://developer.blender.org/D319
Author: flokkievids (Folkert de Vries)
Reviewed by: kjym3 (Tamito Kajiyama)
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This bug fix is likely to affect the visual results of existing Freestyle setups using the
Material color/alpha/thickness modifiers with the 'material_attribute' parameter set to
either 'Diffuse' (default) or 'Specular', and also the Ramp option enabled in the case
of the Material color modifier.
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hidden lines.
This commit is intended to fully fix the problem described in
https://developer.blender.org/T36425#19 (see also the previous commit rB08528f577dcb).
Addition of a small offset (to avoid singularity in stroke rendering due to overlapping vertices)
was not performed for all overlapping vertices.
Removed the StrokeCleaner and related helper functions which were added as a
temporary workaround in rB2a5b6d9c8f16.
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Dashed lines were resetting stroke segment visibility by mistake (making invisible segments
visible, for example when applied to the results of square blueprint geometry modifier).
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Paolo Acampora.
Reviewers: brecht, kjym3, #freestyle
Reviewed By: brecht, kjym3
Differential Revision: https://developer.blender.org/D246
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Line styles now have a set of new options for rearranging the stacking order of lines.
This gives artists more control to determine which lines should be drawn on top of others.
Two available sort keys are the distance from camera and curvilinear 2D length.
Since the distance of a line from camera may vary over vertices, another option called
integration type is used to compute the sort key for a line from the values computed at
individual vertices. Available integration types are MEAN, MIN, MAX, FIRST and LAST
(see the tool tips for more detail).
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The implemented operators are:
freestyle.predicates.AndBP1D
freestyle.predicates.NotBP1D
freestyle.predicates.OrBP1D
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integration type.
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These modifiers were not working properly when they were applied to strokes
whose backbone was already modified by other geometry shaders. This problem
was due to the use of Normal2DF0D that compute 2D vertex normals based on
the underlying FEdges up on which initial stroke geometry is defined. Now vertex
normals are computed on the basis of modified stroke vertices.
A helper function 'stroke_normal' for computing normals of stroke vertices was
added to the 'freestyle.utils' API module.
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edge marks and at material boundaries.
Problem report by Postoman on the BlenderArtists.org Freestyle thread, thanks a lot!
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'freestyle.types' submodule.
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