# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : invisible_lines.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws all lines whose Quantitative Invisibility
# is different from 0
from freestyle import ChainSilhouetteIterator, ConstantColorShader, ConstantThicknessShader, \
Operators, QuantitativeInvisibilityUP1D, SamplingShader, TrueUP1D
from logical_operators import NotUP1D
upred = NotUP1D(QuantitativeInvisibilityUP1D(0))
Operators.select(upred)
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(upred))
shaders_list = [
SamplingShader(5.0),
ConstantThicknessShader(3.0),
ConstantColorShader(0.7, 0.7, 0.7),
]
Operators.create(TrueUP1D(), shaders_list)
thickness += it.object.attribute.thickness
#end: while
self.output.write('<path d="{0}" fill="none" stroke="{1}" stroke-width="{2:.2f}" />\n'.format(
path, "black", (thickness.x + thickness.y) / (2 * nVertices)
))
#end: shade
from freestyle import ChainSilhouetteIterator, ConstantColorShader, ConstantThicknessShader, \
Operators, PolygonalizationShader, QuantitativeInvisibilityUP1D, SamplingShader, TrueUP1D
from logical_operators import NotUP1D
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
shaders_list = [
SamplingShader(2.0),
ConstantThicknessShader(3),
ConstantColorShader(0.0, 0.0, 0.0),
SVGShader(output),
]
Operators.create(TrueUP1D(), shaders_list)
shaders_list = [
SamplingShader(2.0),
ConstantThicknessShader(1),
ConstantColorShader(0.0, 0.0, 0.0),
PolygonalizationShader(8),
SVGShader(output),
]
Operators.create(TrueUP1D(), shaders_list)
output.write('</svg>');
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : blueprint_squares.py
# Author : Emmanuel Turquin
# Date : 04/08/2005
# Purpose : Produces a blueprint using square contour strokes
from freestyle import ChainPredicateIterator, ConstantThicknessShader, ContourUP1D, IncreasingColorShader, \
Operators, QuantitativeInvisibilityUP1D, SameShapeIdBP1D, TextureAssignerShader, TrueUP1D
from PredicatesU1D import pyHigherLengthUP1D
from logical_operators import AndUP1D, NotUP1D
from shaders import pyBluePrintSquaresShader, pyPerlinNoise1DShader
upred = AndUP1D(QuantitativeInvisibilityUP1D(0), ContourUP1D())
bpred = SameShapeIdBP1D()
Operators.select(upred)
Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(upred))
Operators.select(pyHigherLengthUP1D(200))
shaders_list = [
ConstantThicknessShader(8),
pyBluePrintSquaresShader(2, 20),
pyPerlinNoise1DShader(0.07, 10, 8),
TextureAssignerShader(4),
IncreasingColorShader(0.6, 0.3, 0.3, 0.7, 0.6, 0.3, 0.3, 0.3),
ConstantThicknessShader(4),
]
Operators.create(TrueUP1D(), shaders_list)
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : apriori_and_causal_density.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Selects the lines with high a priori density and
# subjects them to the causal density so as to avoid
# cluttering
from freestyle import ChainPredicateIterator, ConstantColorShader, ConstantThicknessShader, IntegrationType, \
Operators, QuantitativeInvisibilityUP1D, TrueBP1D
from PredicatesU1D import pyDensityUP1D, pyHighViewMapDensityUP1D
from logical_operators import AndUP1D, NotUP1D
upred = AndUP1D(QuantitativeInvisibilityUP1D(0), pyHighViewMapDensityUP1D(0.3, IntegrationType.LAST))
Operators.select(upred)
bpred = TrueBP1D()
Operators.bidirectional_chain(ChainPredicateIterator(upred, bpred), NotUP1D(QuantitativeInvisibilityUP1D(0)))
shaders_list = [
ConstantThicknessShader(2),
ConstantColorShader(0, 0, 0, 1),
]
Operators.create(pyDensityUP1D(1, 0.1, IntegrationType.MEAN), shaders_list)
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : split_at_tvertices.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws strokes that starts and stops at Tvertices (visible or not)
from freestyle import ChainSilhouetteIterator, ConstantThicknessShader, IncreasingColorShader, \
Nature, Operators, QuantitativeInvisibilityUP1D, TextureAssignerShader, TrueUP1D
from PredicatesU0D import pyVertexNatureUP0D
from logical_operators import NotUP1D
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(),
NotUP1D(QuantitativeInvisibilityUP1D(0)))
start = pyVertexNatureUP0D(Nature.T_VERTEX)
## use the same predicate to decide where to start and where to stop
## the strokes:
Operators.sequential_split(start, start, 10)
shaders_list = [
ConstantThicknessShader(5),
IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
TextureAssignerShader(3),
]
Operators.create(TrueUP1D(), shaders_list)
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : qi2.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws lines hidden by two surfaces.
# *** Quantitative Invisibility must have been
# enabled in the options dialog to use this style module ****
from freestyle import ChainSilhouetteIterator, ConstantColorShader, ConstantThicknessShader, \
Operators, QuantitativeInvisibilityUP1D, SamplingShader, TrueUP1D
from logical_operators import NotUP1D
Operators.select(QuantitativeInvisibilityUP1D(2))
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(2)))
shaders_list = [
SamplingShader(10),
ConstantThicknessShader(1.5),
ConstantColorShader(0.7, 0.7, 0.7, 1),
]
Operators.create(TrueUP1D(), shaders_list)
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : split_at_highest_2d_curvature.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws the visible lines (chaining follows same nature lines)
# (most basic style module)
from freestyle import ChainSilhouetteIterator, ConstantThicknessShader, IncreasingColorShader, \
Operators, QuantitativeInvisibilityUP1D, TextureAssignerShader, TrueUP1D
from Functions0D import pyInverseCurvature2DAngleF0D
from PredicatesU0D import pyParameterUP0D
from PredicatesU1D import pyHigherLengthUP1D
from logical_operators import NotUP1D
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(),
NotUP1D(QuantitativeInvisibilityUP1D(0)))
func = pyInverseCurvature2DAngleF0D()
Operators.recursive_split(func, pyParameterUP0D(0.4, 0.6),
NotUP1D(pyHigherLengthUP1D(100)), 2)
shaders_list = [
ConstantThicknessShader(10),
IncreasingColorShader(1, 0, 0, 1, 0, 1, 0, 1),
TextureAssignerShader(3),
]
Operators.create(TrueUP1D(), shaders_list)
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# Filename : stroke_texture.py
# Author : Stephane Grabli
# Date : 04/08/2005
# Purpose : Draws textured strokes (illustrate the StrokeTextureShader shader)
from freestyle import BezierCurveShader, ChainSilhouetteIterator, ConstantColorShader, \
ConstantThicknessShader, Operators, QuantitativeInvisibilityUP1D, SamplingShader, \
Stroke, StrokeTextureShader, TrueUP1D
from logical_operators import NotUP1D
Operators.select(QuantitativeInvisibilityUP1D(0))
Operators.bidirectional_chain(ChainSilhouetteIterator(), NotUP1D(QuantitativeInvisibilityUP1D(0)))
shaders_list = [
SamplingShader(3),
BezierCurveShader(4),
StrokeTextureShader("washbrushAlpha.bmp", Stroke.DRY_MEDIUM, True),
ConstantThicknessShader(40),
ConstantColorShader(0, 0, 0, 1),
]
Operators.create(TrueUP1D(), shaders_list)