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- Film Tool - made sure that the reference point is used for all transformations in case of positive film

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This commit is contained in:
Marius Stanciu
2021-02-26 08:27:29 +02:00
committed by Marius
parent dbef2e854d
commit ca29bc0ca3
3 changed files with 93 additions and 69 deletions
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54
camlib.py
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@@ -2285,7 +2285,7 @@ class Geometry(object):
def export_svg(self, scale_stroke_factor=0.00,
scale_factor_x=None, scale_factor_y=None,
skew_factor_x=None, skew_factor_y=None,
skew_reference='center', scale_reference='center',
skew_reference='center', scale_reference='center', mirror_reference='center',
mirror=None):
"""
Exports the Geometry Object as a SVG Element
@@ -2305,26 +2305,46 @@ class Geometry(object):
else:
geom_svg = unary_union(self.flatten())
xmin, ymin, xmax, ymax = geom_svg.bounds
skew_ref = 'center'
if skew_reference != 'center':
xmin, ymin, xmax, ymax = geom_svg.bounds
if skew_reference == 'topleft':
skew_ref = (xmin, ymax)
elif skew_reference == 'bottomleft':
skew_ref = (xmin, ymin)
elif skew_reference == 'topright':
skew_ref = (xmax, ymax)
elif skew_reference == 'bottomright':
skew_ref = (xmax, ymin)
if skew_reference == 'topleft':
skew_ref = (xmin, ymax)
elif skew_reference == 'bottomleft':
skew_ref = (xmin, ymin)
elif skew_reference == 'topright':
skew_ref = (xmax, ymax)
elif skew_reference == 'bottomright':
skew_ref = (xmax, ymin)
scale_ref = 'center'
if scale_reference == 'topleft':
scale_ref = (xmin, ymax)
elif scale_reference == 'bottomleft':
scale_ref = (xmin, ymin)
elif scale_reference == 'topright':
scale_ref = (xmax, ymax)
elif scale_reference == 'bottomright':
scale_ref = (xmax, ymin)
mirror_ref = 'center'
if mirror_reference == 'topleft':
mirror_ref = (xmin, ymax)
elif mirror_reference == 'bottomleft':
mirror_ref = (xmin, ymin)
elif mirror_reference == 'topright':
mirror_ref = (xmax, ymax)
elif mirror_reference == 'bottomright':
mirror_ref = (xmax, ymin)
geom = geom_svg
if scale_factor_x and not scale_factor_y:
geom = affinity.scale(geom_svg, scale_factor_x, 1.0, origin=scale_reference)
geom = affinity.scale(geom_svg, scale_factor_x, 1.0, origin=scale_ref)
elif not scale_factor_x and scale_factor_y:
geom = affinity.scale(geom_svg, 1.0, scale_factor_y, origin=scale_reference)
geom = affinity.scale(geom_svg, 1.0, scale_factor_y, origin=scale_ref)
elif scale_factor_x and scale_factor_y:
geom = affinity.scale(geom_svg, scale_factor_x, scale_factor_y, origin=scale_reference)
geom = affinity.scale(geom_svg, scale_factor_x, scale_factor_y, origin=scale_ref)
if skew_factor_x and not skew_factor_y:
geom = affinity.skew(geom_svg, skew_factor_x, 0.0, origin=skew_ref)
@@ -2335,11 +2355,11 @@ class Geometry(object):
if mirror:
if mirror == 'x':
geom = affinity.scale(geom_svg, 1.0, -1.0)
geom = affinity.scale(geom_svg, 1.0, -1.0, origin=mirror_ref)
if mirror == 'y':
geom = affinity.scale(geom_svg, -1.0, 1.0)
geom = affinity.scale(geom_svg, -1.0, 1.0, origin=mirror_ref)
if mirror == 'both':
geom = affinity.scale(geom_svg, -1.0, -1.0)
geom = affinity.scale(geom_svg, -1.0, -1.0, origin=mirror_ref)
# scale_factor is a multiplication factor for the SVG stroke-width used within shapely's svg export
# If 0 or less which is invalid then default to 0.01