FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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added dpi option for png replace/export

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This commit is contained in:
Mario Voigt 2021-07-15 12:10:40 +02:00
parent 2bec4ded16
commit d921973883
2 changed files with 35 additions and 15 deletions
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1
extensions/fablabchemnitz/export_selection_as/export_selection_as.inx
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@ -13,6 +13,7 @@
<param name="export_dxf" type="bool" gui-text="Export as DXF R14 file (mm units)">false</param>
<param name="export_pdf" type="bool" gui-text="Export as PDF 1.5">false</param>
<param name="export_png" type="bool" gui-text="Export as PNG">false</param>
<param name="png_dpi" type="float" min="1" max="2400" precision="3" gui-text="PNG DPI (applies for export and replace)" gui-description="default is 96">96</param>
<param name="replace_by_png" type="bool" gui-text="Replace by PNG">false</param>
<param name="newwindow" type="bool" gui-text="Open file in new Inkscape instance">false</param>
<label>Note: If svg/dxf/pdf already existed before, they might get accidently deleted or overwritten. Please take care!</label>

49
extensions/fablabchemnitz/export_selection_as/export_selection_as.py
View File

@ -39,6 +39,7 @@ class ExportObject(inkex.EffectExtension):
pars.add_argument("--export_dxf", type=inkex.Boolean, default=False, help="Create a dxf file")
pars.add_argument("--export_pdf", type=inkex.Boolean, default=False, help="Create a pdf file")
pars.add_argument("--export_png", type=inkex.Boolean, default=False, help="Create a png file")
pars.add_argument("--png_dpi", type=float, default=96, help="PNG DPI (applies for export and replace)")
pars.add_argument("--replace_by_png", type=inkex.Boolean, default=False, help="Replace selection by png export")
pars.add_argument("--newwindow", type=inkex.Boolean, default=False, help="Open file in new Inkscape window")
@ -80,10 +81,11 @@ class ExportObject(inkex.EffectExtension):
inkex.errormsg("Selection is empty. Please select some objects first!")
return
#preflight check for DXF input dir
if not os.path.exists(self.options.dxf_exporter_path):
inkex.utils.debug("Location of dxf_outlines.py does not exist. Please select a proper file and try again.")
exit(1)
if self.options.export_dxf is True:
#preflight check for DXF input dir
if not os.path.exists(self.options.dxf_exporter_path):
inkex.utils.debug("Location of dxf_outlines.py does not exist. Please select a proper file and try again.")
exit(1)
export_dir = Path(self.absolute_href(self.options.export_dir))
os.makedirs(export_dir, exist_ok=True)
@ -119,23 +121,29 @@ class ExportObject(inkex.EffectExtension):
group.attrib['transform'] = str(inkex.Transform(((1, 0, -bbox.left), (0, 1, -bbox.top))))
for elem in self.svg.selected.values():
if elem.tag == inkex.addNS('image', 'svg'):
continue #skip images
elem_copy = deepcopy(elem)
elem_copy.attrib['transform'] = str(elem.composed_transform())
elem_copy.attrib['style'] = str(elem.composed_style())
group.append(elem_copy)
template.attrib['viewBox'] = f'{-offset} {-offset} {bbox.width + offset * 2} {bbox.height + offset * 2}'
template.attrib['width'] = f'{bbox.width + offset * 2}' + self.svg.unit
template.attrib['height'] = f'{bbox.height + offset * 2}' + self.svg.unit
template.attrib['viewBox'] = f'{-offset} {-offset} {bbox.width + offset * 2} {bbox.height + offset * 2}'
template.attrib['width'] = f'{bbox.width + offset * 2}' + self.svg.unit
template.attrib['height'] = f'{bbox.height + offset * 2}' + self.svg.unit
if svg_filename is None:
filename_base = elem.attrib.get('id', None).replace(os.sep, '_')
if filename_base:
svg_filename = filename_base + '.svg'
if svg_filename is None:
filename_base = elem.attrib.get('id', None).replace(os.sep, '_')
if filename_base:
svg_filename = filename_base + '.svg'
if not filename_base: #should never be the case. Inkscape might crash if the id attribute is empty or not existent due to invalid SVG
filename_base = self.svg.get_unique_id("selection")
svg_filename = filename_base + '.svg'
if len(group) == 0:
self.msg("Selection does not contain any vector data.")
exit(1)
template.append(group)
svg_out = os.path.join(tempfile.gettempdir(), svg_filename)
@ -149,7 +157,6 @@ class ExportObject(inkex.EffectExtension):
actions_list.append("export-type:svg")
actions_list.append("export-filename:{}".format(svg_out))
actions_list.append("export-do")
extra_param = "--batch-process"
actions = ";".join(actions_list)
cli_output = inkscape(svg_out, extra_param, actions=actions) #process recent file
if len(cli_output) > 0:
@ -202,13 +209,25 @@ class ExportObject(inkex.EffectExtension):
if self.options.replace_by_png is True:
#export to png file to temp
#png_export=os.path.join(export_dir, filename_base + '.png')
png_export=os.path.join(tempfile.gettempdir(), filename_base + '.png')
cli_output = inkscape(os.path.join(tempfile.gettempdir(), svg_filename), extra_param, actions='export-background:white;export-filename:{};export-do'.format(png_export))
try:
os.remove(png_export)
except OSError as e:
#inkex.utils.debug("Error while deleting previously generated output file " + png_export)
pass
actions_list=[]
actions_list.append("export-background:white")
actions_list.append("export-type:png")
actions_list.append("export-dpi:{}".format(self.options.png_dpi))
actions_list.append("export-filename:" + png_export)
actions_list.append("export-do")
actions = ";".join(actions_list)
cli_output = inkscape(os.path.join(tempfile.gettempdir(), svg_filename), extra_param, actions=actions)
if len(cli_output) > 0:
self.msg("Inkscape returned the following output when trying to run the file export; the file export may still have worked:")
self.msg(cli_output)
#then remove the selection and replace it by png
#self.msg(parent.get('id'))
for elem in selected.values():