diff options
Diffstat (limited to 'renderer')
24 files changed, 3134 insertions, 0 deletions
diff --git a/renderer/Makefile b/renderer/Makefile new file mode 100644 index 0000000..0c6f340 --- /dev/null +++ b/renderer/Makefile @@ -0,0 +1,35 @@ +# Environment variables: +# INKSCAPE_DXF_FLATNESS controls inkscape SVG->DXF export curve flatness (default: 0.1) +# INKSCAPE, OPENSCAD: Commands to use for inkscape and openscad + +OPENSCAD ?= openscad + +all: out.zip + +out.zip: out/jig.stl out/pcb_shape.dxf out/kicad + zip -r out.zip out + +src/input.preprocessed.dxf: src/input.preprocessed.svg + support/inkscape_exporter.py $< $@ + +out/pcb_shape.dxf: src/pcb_shape.scad src/input.preprocessed.dxf out + $(OPENSCAD) -o $@ $< + +out/jig.stl: src/jig.scad src/input.preprocessed.dxf + $(OPENSCAD) -o $@ $< + +out/kicad: input.svg out/pcb_shape.dxf + support/generate_kicad.py $^ $@ + +src/input.preprocessed.svg: input.svg + support/inkscape_svg_filter_layers.py $< $@ --only --name "Test Points" "Mounting Holes" "Grip Slots" "Outline" + +out: + mkdir -p out + +.PHONY: clean +clean: + rm -f src/input.preprocessed.dxf + rm -f src/input.preprocessed.svg + rm -rf out + diff --git a/renderer/src/_lib.scad b/renderer/src/_lib.scad new file mode 100644 index 0000000..2654ed7 --- /dev/null +++ b/renderer/src/_lib.scad @@ -0,0 +1,83 @@ + +module hole(l, step, w){ + translate([0, 0, -eps]) { + union(){ + linear_extrude(l+eps*2) + children(); + minkowski(){ + linear_extrude(eps) children(); + cylinder(step, w, 0); + } + } + marker_r = 4; + marker_w = 1; + linear_extrude(1) + difference() { + offset(marker_r+0.5*marker_w) children(); + offset(marker_r-0.5*marker_w) children(); + } + } +} + +module top_chamfer(height, chamfer){ + difference(){ + linear_extrude(height) children(); + translate([0,0,height+eps]) + union() { + for(w=[0:.2:chamfer]){ + mirror([0,0,1]) + linear_extrude(chamfer-w) + difference(){ + offset(1) children(); + offset(-w) children(); + } + } + } + } +} + +module base_shape(wall){ + offset(grip_rounding) offset(-grip_rounding)difference(){ + hull() offset(wall) + children(); + import(input_file, layer="Grip Slots"); + } +} + +module holder(height, depth, wall, tolerance, chamfer){ + difference() { + top_chamfer(height, chamfer/2) + //linear_extrude(height) + base_shape(wall) children(); + translate([0,0,height-depth]) + linear_extrude(depth+eps) offset(tolerance) + children(); + translate([0,0,height-chamfer+eps]) minkowski(){ + linear_extrude(eps) children(); + cylinder(chamfer, 0, chamfer); + } + } +} + +module mounting_hole(height, inset_depth, inset_extra){ + union(){ + translate([0,0,-eps]) + linear_extrude(height+2*eps) + children(); + translate([0,0,height-inset_depth]) + linear_extrude(inset_depth+eps) + offset(inset_extra) + children(); + } +} + +module jig(height, depth, wall, tolerance, chamfer) { + difference(){ + holder(height, depth, wall, tolerance, chamfer) + import(input_file, layer="Outline"); + hole(height-depth, 2, 1) + import(input_file, layer="Test Points"); + mounting_hole(height, 3, 2) + import(input_file, layer="Mounting Holes"); + } +} diff --git a/renderer/src/_settings.scad b/renderer/src/_settings.scad new file mode 100644 index 0000000..f51736a --- /dev/null +++ b/renderer/src/_settings.scad @@ -0,0 +1,12 @@ + +height=15; +depth=6; +wall=10; +pcb_extra=7; +tolerance=0.2; +chamfer=3; +grip_rounding = 1.5; + +input_file = "input.preprocessed.dxf"; +$fs=0.01; +eps=0.1; diff --git a/renderer/src/jig.scad b/renderer/src/jig.scad new file mode 100644 index 0000000..d953f29 --- /dev/null +++ b/renderer/src/jig.scad @@ -0,0 +1,4 @@ +include <_settings.scad> +include <_lib.scad> + +jig(height, depth, wall, tolerance, chamfer);
\ No newline at end of file diff --git a/renderer/src/pcb_shape.scad b/renderer/src/pcb_shape.scad new file mode 100644 index 0000000..a3e1db9 --- /dev/null +++ b/renderer/src/pcb_shape.scad @@ -0,0 +1,8 @@ +include <_settings.scad> +include <_lib.scad> + +difference(){ + base_shape(wall+pcb_extra) + import(input_file, layer="Outline"); + import(input_file, layer="Mounting Holes"); +}
\ No newline at end of file diff --git a/renderer/support/generate_kicad.py b/renderer/support/generate_kicad.py new file mode 100755 index 0000000..3e1b614 --- /dev/null +++ b/renderer/support/generate_kicad.py @@ -0,0 +1,322 @@ +#!/usr/bin/env python3 + +import os +import sys +import time +from os import path +from textwrap import dedent +import pkgutil +import subprocess +import xml.etree.ElementTree as xe + +import ezdxf + + +__version__ = '0.1' + +PIN_TS_BASE = 0x23420000 +TEDIT_BASE = 0x23430000 +PATH_BASE = 0x23440000 + + +def sch_template(name, num_pins, yspace=200): + templ = f''' + EESchema Schematic File Version 5 + EELAYER 30 0 + EELAYER END + $Descr A3 16535 11693 + encoding utf-8 + Sheet 1 1 + Title "{name}" + Date "{time.strftime("%d %b %Y")}" + Rev "" + Comp "" + Comment1 "" + Comment2 "" + Comment3 "" + Comment4 "" + Comment5 "" + Comment6 "" + Comment7 "" + Comment8 "" + Comment9 "" + $EndDescr + {{components}} + $EndSCHEMATC + ''' + + components = [] + for i in range(num_pins): + identifier = f'TP{i}' + value = 'pogopin' + x, y = 1000, 1000 + i*yspace + components.append(dedent(f''' + $Comp + L Connector:Conn_01x01_Female {identifier} + U 1 1 {PIN_TS_BASE + i:08X} + P {x} {y} + F 0 "{identifier}" H {x-50} {y+50} 50 0000 R CNN + F 1 "{value}" H {x+50} {y} 50 0000 L CNN + F 2 "Pogopin:AutogeneratedPogopinFootprint" H {x} {y} 50 0001 C CNN + F 3 "~" H {x} {y} 50 0001 C CNN + 1 {x} {y} + -1 0 0 1 + $EndComp + ''').strip()) + + return dedent(templ).lstrip().format(components='\n'.join(components)) + +def pcb_template(outline, pins, annular=0.5): + pcb_templ = f''' + (kicad_pcb (version 20190605) (host pogojig "({__version__})") + + (general + (thickness 1.6) + (drawings {len(pins)}) + (tracks 0) + (modules {len(pins)}) + (nets {len(pins)+1}) + ) + + (page "A4") + (layers + (0 "F.Cu" signal) + (31 "B.Cu" signal) + (32 "B.Adhes" user) + (33 "F.Adhes" user) + (34 "B.Paste" user) + (35 "F.Paste" user) + (36 "B.SilkS" user) + (37 "F.SilkS" user) + (38 "B.Mask" user) + (39 "F.Mask" user) + (40 "Dwgs.User" user) + (41 "Cmts.User" user) + (42 "Eco1.User" user) + (43 "Eco2.User" user) + (44 "Edge.Cuts" user) + (45 "Margin" user) + (46 "B.CrtYd" user) + (47 "F.CrtYd" user) + (48 "B.Fab" user) + (49 "F.Fab" user) + ) + + (setup + (last_trace_width 0.25) + (trace_clearance 0.2) + (zone_clearance 0.508) + (zone_45_only no) + (trace_min 0.2) + (via_size 0.8) + (via_drill 0.4) + (via_min_size 0.4) + (via_min_drill 0.3) + (uvia_size 0.3) + (uvia_drill 0.1) + (uvias_allowed no) + (uvia_min_size 0.2) + (uvia_min_drill 0.1) + (max_error 0.005) + (defaults + (edge_clearance 0.01) + (edge_cuts_line_width 0.05) + (courtyard_line_width 0.05) + (copper_line_width 0.2) + (copper_text_dims (size 1.5 1.5) (thickness 0.3) keep_upright) + (silk_line_width 0.12) + (silk_text_dims (size 1 1) (thickness 0.15) keep_upright) + (other_layers_line_width 0.1) + (other_layers_text_dims (size 1 1) (thickness 0.15) keep_upright) + ) + (pad_size 3.14159 3.14159) + (pad_drill 1.41421) + (pad_to_mask_clearance 0.051) + (solder_mask_min_width 0.25) + (aux_axis_origin 0 0) + (visible_elements FFFFFF7F) + (pcbplotparams + (layerselection 0x010fc_ffffffff) + (usegerberextensions false) + (usegerberattributes false) + (usegerberadvancedattributes false) + (creategerberjobfile false) + (excludeedgelayer true) + (linewidth 0.100000) + (plotframeref false) + (viasonmask false) + (mode 1) + (useauxorigin false) + (hpglpennumber 1) + (hpglpenspeed 20) + (hpglpendiameter 15.000000) + (psnegative false) + (psa4output false) + (plotreference true) + (plotvalue true) + (plotinvisibletext false) + (padsonsilk false) + (subtractmaskfromsilk false) + (outputformat 1) + (mirror false) + (drillshape 1) + (scaleselection 1) + (outputdirectory "")) + ) + + (net 0 "") + {{net_defs}} + + (net_class "Default" "This is the default net class." + (clearance 0.2) + (trace_width 0.25) + (via_dia 0.8) + (via_drill 0.4) + (uvia_dia 0.3) + (uvia_drill 0.1) + {{net_class_defs}} + ) + + {{module_defs}} + + {{edge_cuts}} + )''' + + module_defs = [] + for i, pin in enumerate(pins): + (x, y), hole_dia = pin # all dimensions in mm here + pad_dia = hole_dia + 2*annular + mod = f''' + (module "Pogopin:AutogeneratedPogopinFootprint" (layer "F.Cu") (tedit {TEDIT_BASE + i:08X}) (tstamp {PIN_TS_BASE + i:08X}) + (at {x} {y}) + (descr "Pogo pin {i}") + (tags "test point plated hole") + (path "/{PATH_BASE + i:08X}") + (attr virtual) + (fp_text reference "TP{i}" (at 0 -{pad_dia/2 + 1}) (layer "F.SilkS") + (effects (font (size 1 1) (thickness 0.15))) + ) + (fp_text value "pogo pin {i}" (at 0 {pad_dia/2 + 1}) (layer "F.Fab") + (effects (font (size 1 1) (thickness 0.15))) + ) + (fp_text user "%R" (at 0 -{pad_dia/2 + 1}) (layer "F.Fab") + (effects (font (size 1 1) (thickness 0.15))) + ) + (fp_circle (center 0 0) (end {pad_dia} 0) (layer "F.CrtYd") (width 0.05)) + (fp_circle (center 0 0) (end 0 -{pad_dia}) (layer "F.SilkS") (width 0.12)) + (pad "1" thru_hole circle (at 0 0) (size {pad_dia} {pad_dia}) (drill {hole_dia}) (layers *.Cu *.Mask) + (net {i+1} "pogo{i}")) + )''' + module_defs.append(mod) + + edge_cuts = [ f'(gr_line (start {x1} {y1}) (end {x2} {y2}) (layer "Edge.Cuts") (width 0.05))' + for (x1, y1), (x2, y2) in outline ] + + net_defs = [ f'(net {i+1} "pogo{i}")' for i, _pin in enumerate(pins) ] + net_class_defs = [ f'(add_net "pogo{i}")' for i, _pin in enumerate(pins) ] + return pcb_templ.format( + net_defs='\n'.join(net_defs), + net_class_defs='\n'.join(net_class_defs), + module_defs='\n'.join(module_defs), + edge_cuts='\n'.join(edge_cuts)) + +def inkscape_query_all(filename): + proc = subprocess.run([ os.environ.get('INKSCAPE', 'inkscape'), filename, '--query-all'], capture_output=True) + proc.check_returncode() + data = [ line.split(',') for line in proc.stdout.decode().splitlines() ] + return { id: (float(x), float(y), float(w), float(h)) for id, x, y, w, h in data } + +SVG_NS = { + 'svg': 'http://www.w3.org/2000/svg', + 'inkscape': 'http://www.inkscape.org/namespaces/inkscape', + 'sodipodi': 'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd' +} + +def svg_find_elements(doc, tag, layer=None): + for i, g in enumerate(doc.findall('svg:g', SVG_NS)): + if g.attrib.get(f'{{{SVG_NS["inkscape"]}}}groupmode') != 'layer': + continue + + label = g.attrib.get(f'{{{SVG_NS["inkscape"]}}}label', '') + if not layer or label == layer: + yield from g.iter(tag) + +# def svg_get_scale(doc): +# w = doc.attrib['width'] +# h = doc.attrib['height'] +# +# if not w.endswith('mm') and h.endswith('mm'): +# raise ValueError('Document dimensions in SVG must be set to millimeters') +# +# w, h = float(w[:-2]), float(h[:-2]) +# _x, _y, vb_w, vb_h = map(float, doc.attrib['viewBox'].split()) +# scale_x, scale_y = vb_w / w, vb_h / h +# assert abs(1 - scale_x/scale_y) < 0.001 +# return scale_x + +def svg_get_viewbox_mm(doc): + w = doc.attrib['width'] + h = doc.attrib['height'] + + if not w.endswith('mm') and h.endswith('mm'): + raise ValueError('Document dimensions in SVG must be set to millimeters') + + w, h = float(w[:-2]), float(h[:-2]) + x, y, vb_w, vb_h = map(float, doc.attrib['viewBox'].split()) + scale_x, scale_y = vb_w / w, vb_h / h + return x/scale_x, y/scale_y, w, h + +if __name__ == '__main__': + import argparse + parser = argparse.ArgumentParser() + parser.add_argument('svg', metavar='pogo_map.svg', help='Input inkscape SVG pogo pin map (use provided template!)') + parser.add_argument('outline', metavar='outline.dxf', help='Board outline DXF generated by OpenSCAD') + parser.add_argument('output', default='kicad', help='Output directory/project name and path') + parser.add_argument('-y', '--yspace', type=int, default=200, help='Schematic pin Y spacing in mil (default: 200)') + parser.add_argument('-a', '--annular', type=float, default=0.5, help='Pogo pin annular ring width in mm (default: 0.5)') + parser.add_argument('-l', '--svg-layer', type=str, default='Test Points', help='Name of SVG layer containing pogo pins') + parser.add_argument('-n', '--name', default='jig', help='Output KiCAD project name') + args = parser.parse_args() + + if not path.exists(args.output): + os.mkdir(args.output) + + if not path.isdir(args.output): + raise SystemError(f'Output path "{args.output}" is not a directory') + + with open(args.svg, 'r') as f: + doc = xe.fromstring(f.read()) + pogo_circle_ids = [ circle.attrib['id'] for circle in svg_find_elements(doc, f'{{{SVG_NS["svg"]}}}circle', args.svg_layer) ] + # scale = svg_get_scale(doc) + page_x, page_y, page_w, page_h = svg_get_viewbox_mm(doc) + MM_PER_IN = 25.4 + SVG_DEF_DPI = 96 + px_to_mm = lambda px: px/SVG_DEF_DPI * MM_PER_IN + query = inkscape_query_all(args.svg) + dims = [ query[id] for id in pogo_circle_ids ] + assert all( abs(1 - w/h) < 0.001 for _x, _y, w, h in dims ) + print('origin:', page_x, page_y) + print('dims:', page_w, page_h) + pins = [ ( + (page_x + px_to_mm(x) + px_to_mm(w)/2, + page_y - page_h + px_to_mm(y) + px_to_mm(w)/2), + px_to_mm(w)) for x, y, w, h in dims ] + + doc = ezdxf.readfile(args.outline) + outline = [] + for line in doc.modelspace().query('LINE'): + (x1, y1, _z1), (x2, y2, _z2) = line.dxf.start, line.dxf.end + outline.append(((x1, -y1), (x2, -y2))) + + with open(path.join(args.output, f'{args.name}.sch'), 'w', encoding='utf8') as sch: + sch.write(sch_template(f'{args.name} generated schematic (PogoJig v{__version__})', len(pins), yspace=args.yspace)) + + with open(path.join(args.output, f'{args.name}.kicad_pcb'), 'w', encoding='utf8') as pcb: + pcb.write(pcb_template(outline, pins, annular=args.annular)) + + with open(path.join(args.output, f'{args.name}.pro'), 'w', encoding='utf8') as f: + f.write(pkgutil.get_data('pogojig.kicad', 'kicad.pro').decode('utf8')) + + with open(path.join(args.output, f'{args.name}-cache.lib'), 'w', encoding='utf8') as f: + f.write(pkgutil.get_data('pogojig.kicad', 'kicad-cache.lib').decode('utf8')) + diff --git a/renderer/support/inkscape_exporter.py b/renderer/support/inkscape_exporter.py new file mode 100755 index 0000000..25fcabe --- /dev/null +++ b/renderer/support/inkscape_exporter.py @@ -0,0 +1,65 @@ +#!/usr/bin/env python3 + +import os +import shutil +import tempfile + +from pogojig.inkscape import effect, inkscape + +from xvfbwrapper import Xvfb + + +def _unfuck_svg_document(temp_svg_path): + """ + Unfucks an SVG document so is can be processed by the better_dxf_export + plugin (or what's left of it). + """ + command_line = inkscape.InkscapeCommandLine(temp_svg_path) + layers = command_line.layers + + command_line.apply_to_document('LayerUnlockAll', 'LayerShowAll') + + layer_copies = [] + + for i in layers: + layer_copy = command_line.duplicate_layer(i) + layer_copies.append(layer_copy) + + command_line.apply_to_layer_content(layer_copy, 'ObjectToPath') + command_line.apply_to_layer_content(layer_copy, 'SelectionUnGroup') + + if not i.use_paths: + command_line.apply_to_layer_content(layer_copy, 'StrokeToPath') + command_line.apply_to_layer_content(layer_copy, 'SelectionUnion') + + for original, copy in zip(layers, layer_copies): + command_line.clear_layer(original) + command_line.move_content(copy, original) + command_line.delete_layer(copy) + + command_line.apply_to_document('FileSave', 'FileClose', 'FileQuit') + command_line.run() + + +if __name__ == '__main__': + import argparse + parser = argparse.ArgumentParser() + parser.add_argument('infile', metavar='input.svg', help='Inkscape SVG input file') + parser.add_argument('outfile', metavar='output.dxf', help='DXF output file') + args = parser.parse_args() + + with Xvfb(): + effect.ExportEffect.check_document_units(args.infile) + + with tempfile.TemporaryDirectory() as tmpdir: + temp_svg_path = os.path.join(tmpdir, os.path.basename(args.infile)) + shutil.copyfile(args.infile, temp_svg_path) + + _unfuck_svg_document(temp_svg_path) + + export_effect = effect.ExportEffect() + export_effect.affect(args=[temp_svg_path], output=False) + + with open(args.outfile, 'w') as f: + export_effect.write_dxf(f) + diff --git a/renderer/support/inkscape_svg_filter_layers.py b/renderer/support/inkscape_svg_filter_layers.py new file mode 100755 index 0000000..9301e1e --- /dev/null +++ b/renderer/support/inkscape_svg_filter_layers.py @@ -0,0 +1,51 @@ +#!/usr/bin/env python3 + +import xml.etree.ElementTree as xe +import argparse +import re + + +if __name__ != '__main__': + raise SystemError('Not running as shell script') + + +parser = argparse.ArgumentParser() +parser.add_argument('infile', metavar='input.svg', type=argparse.FileType('r')) +parser.add_argument('outfile', metavar='output.svg', type=argparse.FileType('wb')) +parser.add_argument('-n', '--name', nargs='+', default=[], help='Remove layers with this exact name (case-insensitive)') +parser.add_argument('-r', '--regex', nargs='+', default=[], help='Remove layers with names matching this regex') +parser.add_argument('-i', '--invisible', action='store_true', help='Remove hidden (invisible) layers') +parser.add_argument('-o', '--only', action='store_true', help='Invert logic, i.e. keep matched layers and discard others') +parser.add_argument('-d', '--strip-defs', action='store_true', help='Also strip any <defs> tags (off by default)') +args = parser.parse_args() + +doc = xe.fromstring(args.infile.read()) +ns = { + 'svg': 'http://www.w3.org/2000/svg', + 'inkscape': 'http://www.inkscape.org/namespaces/inkscape', + 'sodipodi': 'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd' +} + +if args.strip_defs: + for elem in doc.findall('svg:defs', ns): + doc.remove(elem) + +for i, g in enumerate(doc.findall('svg:g', ns)): + if g.attrib.get(f'{{{ns["inkscape"]}}}groupmode') != 'layer': + continue + + label = g.attrib.get(f'{{{ns["inkscape"]}}}label', '') + match = ( + any(label == name for name in args.name) or + any(re.match(regex, label) for regex in args.regex) or + ('display:none' in g.attrib.get('style', '') and args.hidden) + ) + print(f'Layer {i} "{label}": {"match" if match else "not found"}', end='') + + if match != args.only: + print(', removing.') + doc.remove(g) + else: + print() + +args.outfile.write(xe.tostring(doc)) diff --git a/renderer/support/pogojig/__init__.py b/renderer/support/pogojig/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/renderer/support/pogojig/__init__.py diff --git a/renderer/support/pogojig/inkscape/__init__.py b/renderer/support/pogojig/inkscape/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/renderer/support/pogojig/inkscape/__init__.py diff --git a/renderer/support/pogojig/inkscape/bezmisc.py b/renderer/support/pogojig/inkscape/bezmisc.py new file mode 100644 index 0000000..68a338d --- /dev/null +++ b/renderer/support/pogojig/inkscape/bezmisc.py @@ -0,0 +1,287 @@ +#!/usr/bin/env python +''' +Copyright (C) 2010 Nick Drobchenko, nick@cnc-club.ru +Copyright (C) 2005 Aaron Spike, aaron@ekips.org + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +''' + +import math, cmath + +def rootWrapper(a,b,c,d): + if a: + # Monics formula see http://en.wikipedia.org/wiki/Cubic_function#Monic_formula_of_roots + a,b,c = (b/a, c/a, d/a) + m = 2.0*a**3 - 9.0*a*b + 27.0*c + k = a**2 - 3.0*b + n = m**2 - 4.0*k**3 + w1 = -.5 + .5*cmath.sqrt(-3.0) + w2 = -.5 - .5*cmath.sqrt(-3.0) + if n < 0: + m1 = pow(complex((m+cmath.sqrt(n))/2),1./3) + n1 = pow(complex((m-cmath.sqrt(n))/2),1./3) + else: + if m+math.sqrt(n) < 0: + m1 = -pow(-(m+math.sqrt(n))/2,1./3) + else: + m1 = pow((m+math.sqrt(n))/2,1./3) + if m-math.sqrt(n) < 0: + n1 = -pow(-(m-math.sqrt(n))/2,1./3) + else: + n1 = pow((m-math.sqrt(n))/2,1./3) + x1 = -1./3 * (a + m1 + n1) + x2 = -1./3 * (a + w1*m1 + w2*n1) + x3 = -1./3 * (a + w2*m1 + w1*n1) + return (x1,x2,x3) + elif b: + det=c**2.0-4.0*b*d + if det: + return (-c+cmath.sqrt(det))/(2.0*b),(-c-cmath.sqrt(det))/(2.0*b) + else: + return -c/(2.0*b), + elif c: + return 1.0*(-d/c), + return () + +def bezierparameterize(points): + #parametric bezier + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = points + x0=bx0 + y0=by0 + cx=3*(bx1-x0) + bx=3*(bx2-bx1)-cx + ax=bx3-x0-cx-bx + cy=3*(by1-y0) + by=3*(by2-by1)-cy + ay=by3-y0-cy-by + + return ax,ay,bx,by,cx,cy,x0,y0 + #ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))) + +def linebezierintersect(line, bezier): + #parametric line + ((lx1,ly1),(lx2,ly2)) = line + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = bezier + dd=lx1 + cc=lx2-lx1 + bb=ly1 + aa=ly2-ly1 + + if aa: + coef1=cc/aa + coef2=1 + else: + coef1=1 + coef2=aa/cc + + ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))) + #cubic intersection coefficients + a=coef1*ay-coef2*ax + b=coef1*by-coef2*bx + c=coef1*cy-coef2*cx + d=coef1*(y0-bb)-coef2*(x0-dd) + + roots = rootWrapper(a,b,c,d) + retval = [] + for i in roots: + if type(i) is complex and i.imag==0: + i = i.real + if type(i) is not complex and 0<=i<=1: + retval.append(bezierpointatt(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)),i)) + return retval + +def bezierpointatt(xxx_todo_changeme3,t): + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = xxx_todo_changeme3 + ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))) + x=ax*(t**3)+bx*(t**2)+cx*t+x0 + y=ay*(t**3)+by*(t**2)+cy*t+y0 + return x,y + +def bezierslopeatt(xxx_todo_changeme4,t): + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = xxx_todo_changeme4 + ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))) + dx=3*ax*(t**2)+2*bx*t+cx + dy=3*ay*(t**2)+2*by*t+cy + return dx,dy + +def beziertatslope(xxx_todo_changeme5, xxx_todo_changeme6): + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = xxx_todo_changeme5 + (dy,dx) = xxx_todo_changeme6 + ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))) + #quadratic coefficents of slope formula + if dx: + slope = 1.0*(dy/dx) + a=3*ay-3*ax*slope + b=2*by-2*bx*slope + c=cy-cx*slope + elif dy: + slope = 1.0*(dx/dy) + a=3*ax-3*ay*slope + b=2*bx-2*by*slope + c=cx-cy*slope + else: + return [] + + roots = rootWrapper(0,a,b,c) + retval = [] + for i in roots: + if type(i) is complex and i.imag==0: + i = i.real + if type(i) is not complex and 0<=i<=1: + retval.append(i) + return retval + +def tpoint(xxx_todo_changeme7, xxx_todo_changeme8,t): + (x1,y1) = xxx_todo_changeme7 + (x2,y2) = xxx_todo_changeme8 + return x1+t*(x2-x1),y1+t*(y2-y1) +def beziersplitatt(xxx_todo_changeme9,t): + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = xxx_todo_changeme9 + m1=tpoint((bx0,by0),(bx1,by1),t) + m2=tpoint((bx1,by1),(bx2,by2),t) + m3=tpoint((bx2,by2),(bx3,by3),t) + m4=tpoint(m1,m2,t) + m5=tpoint(m2,m3,t) + m=tpoint(m4,m5,t) + + return ((bx0,by0),m1,m4,m),(m,m5,m3,(bx3,by3)) + +''' +Approximating the arc length of a bezier curve +according to <http://www.cit.gu.edu.au/~anthony/info/graphics/bezier.curves> + +if: + L1 = |P0 P1| +|P1 P2| +|P2 P3| + L0 = |P0 P3| +then: + L = 1/2*L0 + 1/2*L1 + ERR = L1-L0 +ERR approaches 0 as the number of subdivisions (m) increases + 2^-4m + +Reference: +Jens Gravesen <gravesen@mat.dth.dk> +"Adaptive subdivision and the length of Bezier curves" +mat-report no. 1992-10, Mathematical Institute, The Technical +University of Denmark. +''' +def pointdistance(xxx_todo_changeme10, xxx_todo_changeme11): + (x1,y1) = xxx_todo_changeme10 + (x2,y2) = xxx_todo_changeme11 + return math.sqrt(((x2 - x1) ** 2) + ((y2 - y1) ** 2)) +def Gravesen_addifclose(b, len, error = 0.001): + box = 0 + for i in range(1,4): + box += pointdistance(b[i-1], b[i]) + chord = pointdistance(b[0], b[3]) + if (box - chord) > error: + first, second = beziersplitatt(b, 0.5) + Gravesen_addifclose(first, len, error) + Gravesen_addifclose(second, len, error) + else: + len[0] += (box / 2.0) + (chord / 2.0) +def bezierlengthGravesen(b, error = 0.001): + len = [0] + Gravesen_addifclose(b, len, error) + return len[0] + +# balf = Bezier Arc Length Function +balfax,balfbx,balfcx,balfay,balfby,balfcy = 0,0,0,0,0,0 +def balf(t): + retval = (balfax*(t**2) + balfbx*t + balfcx)**2 + (balfay*(t**2) + balfby*t + balfcy)**2 + return math.sqrt(retval) + +def Simpson(f, a, b, n_limit, tolerance): + n = 2 + multiplier = (b - a)/6.0 + endsum = f(a) + f(b) + interval = (b - a)/2.0 + asum = 0.0 + bsum = f(a + interval) + est1 = multiplier * (endsum + (2.0 * asum) + (4.0 * bsum)) + est0 = 2.0 * est1 + #print multiplier, endsum, interval, asum, bsum, est1, est0 + while n < n_limit and abs(est1 - est0) > tolerance: + n *= 2 + multiplier /= 2.0 + interval /= 2.0 + asum += bsum + bsum = 0.0 + est0 = est1 + for i in range(1, n, 2): + bsum += f(a + (i * interval)) + est1 = multiplier * (endsum + (2.0 * asum) + (4.0 * bsum)) + #print multiplier, endsum, interval, asum, bsum, est1, est0 + return est1 + +def bezierlengthSimpson(xxx_todo_changeme12, tolerance = 0.001): + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = xxx_todo_changeme12 + global balfax,balfbx,balfcx,balfay,balfby,balfcy + ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))) + balfax,balfbx,balfcx,balfay,balfby,balfcy = 3*ax,2*bx,cx,3*ay,2*by,cy + return Simpson(balf, 0.0, 1.0, 4096, tolerance) + +def beziertatlength(xxx_todo_changeme13, l = 0.5, tolerance = 0.001): + ((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)) = xxx_todo_changeme13 + global balfax,balfbx,balfcx,balfay,balfby,balfcy + ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))) + balfax,balfbx,balfcx,balfay,balfby,balfcy = 3*ax,2*bx,cx,3*ay,2*by,cy + t = 1.0 + tdiv = t + curlen = Simpson(balf, 0.0, t, 4096, tolerance) + targetlen = l * curlen + diff = curlen - targetlen + while abs(diff) > tolerance: + tdiv /= 2.0 + if diff < 0: + t += tdiv + else: + t -= tdiv + curlen = Simpson(balf, 0.0, t, 4096, tolerance) + diff = curlen - targetlen + return t + +#default bezier length method +bezierlength = bezierlengthSimpson + +if __name__ == '__main__': + #print linebezierintersect(((,),(,)),((,),(,),(,),(,))) + #print linebezierintersect(((0,1),(0,-1)),((-1,0),(-.5,0),(.5,0),(1,0))) + tol = 0.00000001 + curves = [((0,0),(1,5),(4,5),(5,5)), + ((0,0),(0,0),(5,0),(10,0)), + ((0,0),(0,0),(5,1),(10,0)), + ((-10,0),(0,0),(10,0),(10,10)), + ((15,10),(0,0),(10,0),(-5,10))] + ''' + for curve in curves: + timing.start() + g = bezierlengthGravesen(curve,tol) + timing.finish() + gt = timing.micro() + + timing.start() + s = bezierlengthSimpson(curve,tol) + timing.finish() + st = timing.micro() + + print g, gt + print s, st + ''' + for curve in curves: + print(beziertatlength(curve,0.5)) + + +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 diff --git a/renderer/support/pogojig/inkscape/cspsubdiv.py b/renderer/support/pogojig/inkscape/cspsubdiv.py new file mode 100644 index 0000000..72da473 --- /dev/null +++ b/renderer/support/pogojig/inkscape/cspsubdiv.py @@ -0,0 +1,38 @@ +#!/usr/bin/env python +from .bezmisc import * +from .ffgeom import * + +def maxdist(points): + ((p0x,p0y),(p1x,p1y),(p2x,p2y),(p3x,p3y)) = points + p0 = Point(p0x,p0y) + p1 = Point(p1x,p1y) + p2 = Point(p2x,p2y) + p3 = Point(p3x,p3y) + + s1 = Segment(p0,p3) + return max(s1.distanceToPoint(p1),s1.distanceToPoint(p2)) + + +def cspsubdiv(csp,flat): + for sp in csp: + subdiv(sp,flat) + +def subdiv(sp,flat,i=1): + while i < len(sp): + p0 = sp[i-1][1] + p1 = sp[i-1][2] + p2 = sp[i][0] + p3 = sp[i][1] + + b = (p0,p1,p2,p3) + m = maxdist(b) + if m <= flat: + i += 1 + else: + one, two = beziersplitatt(b,0.5) + sp[i-1][2] = one[1] + sp[i][0] = two[2] + p = [one[2],one[3],two[1]] + sp[i:1] = [p] + +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 diff --git a/renderer/support/pogojig/inkscape/cubicsuperpath.py b/renderer/support/pogojig/inkscape/cubicsuperpath.py new file mode 100644 index 0000000..a594660 --- /dev/null +++ b/renderer/support/pogojig/inkscape/cubicsuperpath.py @@ -0,0 +1,174 @@ +#!/usr/bin/env python +""" +cubicsuperpath.py + +Copyright (C) 2005 Aaron Spike, aaron@ekips.org + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +""" +from . import simplepath +from math import * + +def matprod(mlist): + prod=mlist[0] + for m in mlist[1:]: + a00=prod[0][0]*m[0][0]+prod[0][1]*m[1][0] + a01=prod[0][0]*m[0][1]+prod[0][1]*m[1][1] + a10=prod[1][0]*m[0][0]+prod[1][1]*m[1][0] + a11=prod[1][0]*m[0][1]+prod[1][1]*m[1][1] + prod=[[a00,a01],[a10,a11]] + return prod +def rotmat(teta): + return [[cos(teta),-sin(teta)],[sin(teta),cos(teta)]] +def applymat(mat, pt): + x=mat[0][0]*pt[0]+mat[0][1]*pt[1] + y=mat[1][0]*pt[0]+mat[1][1]*pt[1] + pt[0]=x + pt[1]=y +def norm(pt): + return sqrt(pt[0]*pt[0]+pt[1]*pt[1]) + +def ArcToPath(p1,params): + A=p1[:] + rx,ry,teta,longflag,sweepflag,x2,y2=params[:] + teta = teta*pi/180.0 + B=[x2,y2] + if rx==0 or ry==0 or A==B: + return([[A[:],A[:],A[:]],[B[:],B[:],B[:]]]) + mat=matprod((rotmat(teta),[[1/rx,0],[0,1/ry]],rotmat(-teta))) + applymat(mat, A) + applymat(mat, B) + k=[-(B[1]-A[1]),B[0]-A[0]] + d=k[0]*k[0]+k[1]*k[1] + k[0]/=sqrt(d) + k[1]/=sqrt(d) + d=sqrt(max(0,1-d/4)) + if longflag==sweepflag: + d*=-1 + O=[(B[0]+A[0])/2+d*k[0],(B[1]+A[1])/2+d*k[1]] + OA=[A[0]-O[0],A[1]-O[1]] + OB=[B[0]-O[0],B[1]-O[1]] + start=acos(OA[0]/norm(OA)) + if OA[1]<0: + start*=-1 + end=acos(OB[0]/norm(OB)) + if OB[1]<0: + end*=-1 + + if sweepflag and start>end: + end +=2*pi + if (not sweepflag) and start<end: + end -=2*pi + + NbSectors=int(abs(start-end)*2/pi)+1 + dTeta=(end-start)/NbSectors + #v=dTeta*2/pi*0.552 + #v=dTeta*2/pi*4*(sqrt(2)-1)/3 + v = 4*tan(dTeta/4)/3 + #if not sweepflag: + # v*=-1 + p=[] + for i in range(0,NbSectors+1,1): + angle=start+i*dTeta + v1=[O[0]+cos(angle)-(-v)*sin(angle),O[1]+sin(angle)+(-v)*cos(angle)] + pt=[O[0]+cos(angle) ,O[1]+sin(angle) ] + v2=[O[0]+cos(angle)- v *sin(angle),O[1]+sin(angle)+ v *cos(angle)] + p.append([v1,pt,v2]) + + mat=matprod((rotmat(teta),[[rx,0],[0,ry]],rotmat(-teta))) + for pts in p: + applymat(mat, pts[0]) + applymat(mat, pts[1]) + applymat(mat, pts[2]) + + # Use exact coordinates for the endpoints. This prevents small drifts when relative coordinates are used and guarantees that a path ending with a z command closes perfectly. + p[0][0] = p1[:] + p[0][1] = p1[:] + p[-1][1] = [x2, y2] + p[-1][2] = [x2, y2] + + return p + +def CubicSuperPath(simplepath): + csp = [] + subpath = -1 + subpathstart = [] + last = [] + lastctrl = [] + for s in simplepath: + cmd, params = s + if cmd == 'M': + if last: + csp[subpath].append([lastctrl[:],last[:],last[:]]) + subpath += 1 + csp.append([]) + subpathstart = params[:] + last = params[:] + lastctrl = params[:] + elif cmd == 'L': + csp[subpath].append([lastctrl[:],last[:],last[:]]) + last = params[:] + lastctrl = params[:] + elif cmd == 'C': + csp[subpath].append([lastctrl[:],last[:],params[:2]]) + last = params[-2:] + lastctrl = params[2:4] + elif cmd == 'Q': + q0=last[:] + q1=params[0:2] + q2=params[2:4] + x0= q0[0] + x1=1./3*q0[0]+2./3*q1[0] + x2= 2./3*q1[0]+1./3*q2[0] + x3= q2[0] + y0= q0[1] + y1=1./3*q0[1]+2./3*q1[1] + y2= 2./3*q1[1]+1./3*q2[1] + y3= q2[1] + csp[subpath].append([lastctrl[:],[x0,y0],[x1,y1]]) + last = [x3,y3] + lastctrl = [x2,y2] + elif cmd == 'A': + arcp=ArcToPath(last[:],params[:]) + arcp[ 0][0]=lastctrl[:] + last=arcp[-1][1] + lastctrl = arcp[-1][0] + csp[subpath]+=arcp[:-1] + elif cmd == 'Z': + csp[subpath].append([lastctrl[:],last[:],last[:]]) + last = subpathstart[:] + lastctrl = subpathstart[:] + #append final superpoint + csp[subpath].append([lastctrl[:],last[:],last[:]]) + return csp + +def unCubicSuperPath(csp): + a = [] + for subpath in csp: + if subpath: + a.append(['M',subpath[0][1][:]]) + for i in range(1,len(subpath)): + a.append(['C',subpath[i-1][2][:] + subpath[i][0][:] + subpath[i][1][:]]) + return a + +def parsePath(d): + return CubicSuperPath(simplepath.parsePath(d)) + +def formatPath(p): + return simplepath.formatPath(unCubicSuperPath(p)) + + +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 diff --git a/renderer/support/pogojig/inkscape/dxf_footer.txt b/renderer/support/pogojig/inkscape/dxf_footer.txt new file mode 100644 index 0000000..a225dd7 --- /dev/null +++ b/renderer/support/pogojig/inkscape/dxf_footer.txt @@ -0,0 +1,62 @@ +0 +ENDSEC +0 +SECTION +2 +OBJECTS +0 +DICTIONARY +5 +C +330 +0 +100 +AcDbDictionary +3 +ACAD_GROUP +350 +D +3 +ACAD_MLINESTYLE +350 +17 +0 +DICTIONARY +5 +D +330 +C +100 +AcDbDictionary +0 +DICTIONARY +5 +1A +330 +C +100 +AcDbDictionary +0 +DICTIONARY +5 +17 +330 +C +100 +AcDbDictionary +3 +STANDARD +350 +18 +0 +DICTIONARY +5 +19 +330 +C +100 +AcDbDictionary +0 +ENDSEC +0 +EOF diff --git a/renderer/support/pogojig/inkscape/dxf_header.txt b/renderer/support/pogojig/inkscape/dxf_header.txt new file mode 100644 index 0000000..341cb1b --- /dev/null +++ b/renderer/support/pogojig/inkscape/dxf_header.txt @@ -0,0 +1,580 @@ +0 +SECTION +2 +HEADER +9 +$ACADVER +1 +AC1014 +9 +$HANDSEED +5 +FFFF +0 +ENDSEC +0 +SECTION +2 +TABLES +0 +TABLE +2 +VPORT +5 +8 +330 +0 +100 +AcDbSymbolTable +70 +4 +0 +VPORT +5 +2E +330 +8 +100 +AcDbSymbolTableRecord +100 +AcDbViewportTableRecord +2 +*ACTIVE +70 +0 +10 +0.0 +20 +0.0 +11 +1.0 +21 +1.0 +12 +4.25 +22 +5.5 +13 +0.0 +23 +0.0 +14 +10.0 +24 +10.0 +15 +10.0 +25 +10.0 +16 +0.0 +26 +0.0 +36 +1.0 +17 +0.0 +27 +0.0 +37 +0.0 +40 +11 +41 +1.24 +42 +50.0 +43 +0.0 +44 +0.0 +50 +0.0 +51 +0.0 +71 +0 +72 +100 +73 +1 +74 +3 +75 +0 +76 +0 +77 +0 +78 +0 +0 +ENDTAB +0 +TABLE +2 +LTYPE +5 +5 +330 +0 +100 +AcDbSymbolTable +70 +1 +0 +LTYPE +5 +14 +330 +5 +100 +AcDbSymbolTableRecord +100 +AcDbLinetypeTableRecord +2 +BYBLOCK +70 +0 +3 + +72 +65 +73 +0 +40 +0.0 +0 +LTYPE +5 +15 +330 +5 +100 +AcDbSymbolTableRecord +100 +AcDbLinetypeTableRecord +2 +BYLAYER +70 +0 +3 + +72 +65 +73 +0 +40 +0.0 +0 +LTYPE +5 +16 +330 +5 +100 +AcDbSymbolTableRecord +100 +AcDbLinetypeTableRecord +2 +CONTINUOUS +70 +0 +3 +Solid line +72 +65 +73 +0 +40 +0.0 +0 +ENDTAB +0 +TABLE +2 +LAYER +5 +2 +330 +0 +100 +AcDbSymbolTable +70 +1 +0 +LAYER +5 +10 +330 +2 +100 +AcDbSymbolTableRecord +100 +AcDbLayerTableRecord +2 +0 +70 +0 +62 +7 +6 +CONTINUOUS +0 +ENDTAB +0 +TABLE +2 +STYLE +5 +3 +330 +0 +100 +AcDbSymbolTable +70 +1 +0 +STYLE +5 +11 +330 +3 +100 +AcDbSymbolTableRecord +100 +AcDbTextStyleTableRecord +2 +STANDARD +70 +0 +40 +0.0 +41 +1.0 +50 +0.0 +71 +0 +42 +2.5 +3 +txt +4 + +0 +ENDTAB +0 +TABLE +2 +VIEW +5 +6 +330 +0 +100 +AcDbSymbolTable +70 +0 +0 +ENDTAB +0 +TABLE +2 +UCS +5 +7 +330 +0 +100 +AcDbSymbolTable +70 +0 +0 +ENDTAB +0 +TABLE +2 +APPID +5 +9 +330 +0 +100 +AcDbSymbolTable +70 +2 +0 +APPID +5 +12 +330 +9 +100 +AcDbSymbolTableRecord +100 +AcDbRegAppTableRecord +2 +ACAD +70 +0 +0 +ENDTAB +0 +TABLE +2 +DIMSTYLE +5 +A +330 +0 +100 +AcDbSymbolTable +70 +1 +0 +DIMSTYLE +105 +27 +330 +A +100 +AcDbSymbolTableRecord +100 +AcDbDimStyleTableRecord +2 +ISO-25 +70 +0 +3 + +4 + +5 + +6 + +7 + +40 +1.0 +41 +2.5 +42 +0.625 +43 +3.75 +44 +1.25 +45 +0.0 +46 +0.0 +47 +0.0 +48 +0.0 +140 +2.5 +141 +2.5 +142 +0.0 +143 +0.03937007874016 +144 +1.0 +145 +0.0 +146 +1.0 +147 +0.625 +71 +0 +72 +0 +73 +0 +74 +0 +75 +0 +76 +0 +77 +1 +78 +8 +170 +0 +171 +3 +172 +1 +173 +0 +174 +0 +175 +0 +176 +0 +177 +0 +178 +0 +270 +2 +271 +2 +272 +2 +273 +2 +274 +3 +340 +11 +275 +0 +280 +0 +281 +0 +282 +0 +283 +0 +284 +8 +285 +0 +286 +0 +287 +3 +288 +0 +0 +ENDTAB +0 +TABLE +2 +BLOCK_RECORD +5 +1 +330 +0 +100 +AcDbSymbolTable +70 +1 +0 +BLOCK_RECORD +5 +1F +330 +1 +100 +AcDbSymbolTableRecord +100 +AcDbBlockTableRecord +2 +*MODEL_SPACE +0 +BLOCK_RECORD +5 +1B +330 +1 +100 +AcDbSymbolTableRecord +100 +AcDbBlockTableRecord +2 +*PAPER_SPACE +0 +ENDTAB +0 +ENDSEC +0 +SECTION +2 +BLOCKS +0 +BLOCK +5 +20 +330 +1F +100 +AcDbEntity +8 +0 +100 +AcDbBlockBegin +2 +*MODEL_SPACE +70 +0 +10 +0.0 +20 +0.0 +30 +0.0 +3 +*MODEL_SPACE +1 + +0 +ENDBLK +5 +21 +330 +1F +100 +AcDbEntity +8 +0 +100 +AcDbBlockEnd +0 +BLOCK +5 +1C +330 +1B +100 +AcDbEntity +67 +1 +8 +0 +100 +AcDbBlockBegin +2 +*PAPER_SPACE +1 + +0 +ENDBLK +5 +1D +330 +1B +100 +AcDbEntity +67 +1 +8 +0 +100 +AcDbBlockEnd +0 +ENDSEC +0 +SECTION +2 +ENTITIES diff --git a/renderer/support/pogojig/inkscape/effect.py b/renderer/support/pogojig/inkscape/effect.py new file mode 100644 index 0000000..89824e9 --- /dev/null +++ b/renderer/support/pogojig/inkscape/effect.py @@ -0,0 +1,279 @@ +""" +Based on code from Aaron Spike. See +http://www.bobcookdev.com/inkscape/inkscape-dxf.html +""" + +import collections +import itertools +import os +import pkgutil +import re +from lxml import etree + +from . import inkex, simpletransform, cubicsuperpath, cspsubdiv, inkscape + + +def _get_unit_factors_map(): + # Fluctuates somewhat between Inkscape releases _and_ between SVG version. + pixels_per_inch = 96. + pixels_per_mm = pixels_per_inch / 25.4 + + return { + 'px': 1.0, + 'mm': pixels_per_mm, + 'cm': pixels_per_mm * 10, + 'm': pixels_per_mm * 1e3, + 'km': pixels_per_mm * 1e6, + 'pt': pixels_per_inch / 72, + 'pc': pixels_per_inch / 6, + 'in': pixels_per_inch, + 'ft': pixels_per_inch * 12, + 'yd': pixels_per_inch * 36} + + +class ExportEffect(inkex.Effect): + _unit_factors = _get_unit_factors_map() + _asymptote_all_paths_name = 'all' + + def __init__(self): + inkex.Effect.__init__(self) + + self._flatness = float(os.environ.get('INKSCAPE_DXF_FLATNESS', 0.1)) + + self._layers = None + self._paths = None + + def _get_document_scale(self): + """ + Return scaling factor applied to the document because of a viewBox + setting. This currently ignores any setting of a preserveAspectRatio + attribute (like Inkscape). + """ + document_height = self._get_height() + view_box = self._get_view_box() + + if view_box is None or document_height is None: + return 1 + else: + _, _, _, view_box_height = view_box + + return document_height / view_box_height + + def _get_document_height(self): + """ + Get the height of the document in pixels in the document coordinate + system as it is interpreted by Inkscape. + """ + view_box = self._get_view_box() + document_height = self._get_height() + + if view_box is not None: + _, _, _, view_box_height = view_box + + return view_box_height + elif document_height is not None: + return document_height + else: + return 0 + + def _get_height(self): + height_attr = self.document.getroot().get('height') + + if height_attr is None: + return None + else: + return self._measure_to_pixels(height_attr) + + def _get_view_box(self): + view_box_attr = self.document.getroot().get('viewBox') + + if view_box_attr is None: + return None + else: + return [float(i) for i in view_box_attr.split()] + + def _get_shape_paths(self, node, transform): + shape = cubicsuperpath.parsePath(node.get('d')) + + transform = simpletransform.composeTransform( + transform, + simpletransform.composeParents(node, [[1, 0, 0], [0, 1, 0]])) + + simpletransform.applyTransformToPath(transform, shape) + + def iter_paths(): + for path in shape: + cspsubdiv.subdiv(path, self._flatness) + + # path contains two control point coordinates and the actual + # coordinates per point. + yield [i for _, i, _ in path] + + return list(iter_paths()) + + def effect(self): + document_height = self._get_document_height() + document_scale = self._get_document_scale() + + transform = simpletransform.composeTransform( + [[document_scale, 0, 0], [0, document_scale, 0]], + [[1, 0, 0], [0, -1, document_height]]) + + layers = inkscape.get_inkscape_layers(self.svg_file) + layers_by_inkscape_name = {i.inkscape_name: i for i in layers} + + def iter_paths(): + for node in self.document.getroot().xpath('//svg:path', namespaces=inkex.NSS): + layer = layers_by_inkscape_name.get(self._get_inkscape_layer_name(node)) + + for path in self._get_shape_paths(node, transform): + yield layer, path + + self._layers = layers + self._paths = list(iter_paths()) + + def write_dxf(self, file): + # Scales pixels to millimeters. This is the predominant unit in CAD. + unit_factor = self._unit_factors['mm'] + + layer_indices = {l: i for i, l in enumerate(self._layers)} + + file.write(pkgutil.get_data(__name__, 'dxf_header.txt').decode('ASCII')) + + def write_instruction(code, value): + print(code, file=file) + print(value, file=file) + + handle_iter = itertools.count(256) + + for layer, path in self._paths: + for (x1, y1), (x2, y2) in zip(path, path[1:]): + write_instruction(0, 'LINE') + + if layer is not None: + write_instruction(8, layer.export_name) + write_instruction(62, layer_indices.get(layer, 0)) + + write_instruction(5, '{:x}'.format(next(handle_iter))) + write_instruction(100, 'AcDbEntity') + write_instruction(100, 'AcDbLine') + write_instruction(10, repr(x1 / unit_factor)) + write_instruction(20, repr(y1 / unit_factor)) + write_instruction(30, 0.0) + write_instruction(11, repr(x2 / unit_factor)) + write_instruction(21, repr(y2 / unit_factor)) + write_instruction(31, 0.0) + + file.write(pkgutil.get_data(__name__, 'dxf_footer.txt').decode('ASCII')) + + def write_asy(self, file): + def write_line(format, *args): + print >> file, format.format(*args) + ';' + + # Scales pixels to points. Asymptote uses PostScript points (1 / 72 + # inch) by default. + unit_factor = self._unit_factors['pt'] + + paths_by_layer = collections.defaultdict(list) + variable_names = [] + + for layer, path in self._paths: + paths_by_layer[layer].append(path) + + for layer in self._layers + [None]: + paths = paths_by_layer[layer] + variable_name = self._asymptote_identifier_from_layer(layer) + write_line('path[] {}', variable_name) + + variable_names.append(variable_name) + + for path in paths: + point_strs = ['({}, {})'.format(x / unit_factor, y / unit_factor) for x, y in path] + + # Hack. We should determine this from whether Z or z was used + # to close the path in the SVG document. + if path[0] == path[-1]: + point_strs[-1] = 'cycle' + + write_line('{}.push({})', variable_name, ' -- '.join(point_strs)) + + if self._asymptote_all_paths_name not in variable_names: + write_line('path[] {}', self._asymptote_all_paths_name) + + for i in variable_names: + write_line('{}.append({})', self._asymptote_all_paths_name, i) + + @classmethod + def _parse_measure(cls, string): + value_match = re.match(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)', string) + unit_match = re.search('(%s)$' % '|'.join(cls._unit_factors.keys()), string) + + value = float(string[value_match.start():value_match.end()]) + + if unit_match: + unit = string[unit_match.start():unit_match.end()] + else: + unit = None + + return value, unit + + @classmethod + def _measure_to_pixels(cls, string): + """ + Parse a string containing a measure and return it's value converted + to pixels. + """ + value, unit = cls._parse_measure(string) + + return value * cls._get_unit_factor(unit) + + @classmethod + def _get_inkscape_layer_name(cls, node): + while node is not None: + layer = node.get(inkex.addNS('label', 'inkscape')) + + if layer is not None: + return layer + + node = node.getparent() + + return None + + @classmethod + def _get_unit_factor(cls, unit): + if unit is None: + return 1 + else: + return cls._unit_factors[unit] + + @classmethod + def _asymptote_identifier_from_layer(cls, layer): + if layer is None: + return '_' + else: + return re.sub('[^a-zA-Z0-9]', '_', layer.export_name) + + @classmethod + def check_document_units(cls, path): + with open(path, 'r') as file: + p = etree.XMLParser(huge_tree = True) + document = etree.parse(file, parser = p) + + height_attr = document.getroot().get('height') + + if height_attr is None: + raise ValueError( + 'SVG document has no height attribute. See ' + 'https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements') + + _, height_unit = cls._parse_measure(height_attr) + + if height_unit is None or height_unit == 'px': + raise ValueError( + 'Height of SVG document is not an absolute measure. See ' + 'https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements') + + if document.getroot().get('viewBox') is None: + raise ValueError( + 'SVG document has no viewBox attribute. See ' + 'https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements') diff --git a/renderer/support/pogojig/inkscape/ffgeom.py b/renderer/support/pogojig/inkscape/ffgeom.py new file mode 100644 index 0000000..368a29a --- /dev/null +++ b/renderer/support/pogojig/inkscape/ffgeom.py @@ -0,0 +1,137 @@ +#!/usr/bin/env python +""" + ffgeom.py + Copyright (C) 2005 Aaron Cyril Spike, aaron@ekips.org + + This file is part of FretFind 2-D. + + FretFind 2-D is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + FretFind 2-D 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 FretFind 2-D; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +""" +import math + +class Point: + precision = 5 + def __init__(self, x, y): + self.__coordinates = {'x' : float(x), 'y' : float(y)} + def __getitem__(self, key): + return self.__coordinates[key] + def __setitem__(self, key, value): + self.__coordinates[key] = float(value) + def __repr__(self): + return '(%s, %s)' % (round(self['x'],self.precision),round(self['y'],self.precision)) + def copy(self): + return Point(self['x'],self['y']) + def translate(self, x, y): + self['x'] += x + self['y'] += y + def move(self, x, y): + self['x'] = float(x) + self['y'] = float(y) + +class Segment: + def __init__(self, e0, e1): + self.__endpoints = [e0, e1] + def __getitem__(self, key): + return self.__endpoints[key] + def __setitem__(self, key, value): + self.__endpoints[key] = value + def __repr__(self): + return repr(self.__endpoints) + def copy(self): + return Segment(self[0],self[1]) + def translate(self, x, y): + self[0].translate(x,y) + self[1].translate(x,y) + def move(self,e0,e1): + self[0] = e0 + self[1] = e1 + def delta_x(self): + return self[1]['x'] - self[0]['x'] + def delta_y(self): + return self[1]['y'] - self[0]['y'] + #alias functions + run = delta_x + rise = delta_y + def slope(self): + if self.delta_x() != 0: + return self.delta_x() / self.delta_y() + return math.nan + def intercept(self): + if self.delta_x() != 0: + return self[1]['y'] - (self[0]['x'] * self.slope()) + return math.nan + def distanceToPoint(self, p): + s2 = Segment(self[0],p) + c1 = dot(s2,self) + if c1 <= 0: + return Segment(p,self[0]).length() + c2 = dot(self,self) + if c2 <= c1: + return Segment(p,self[1]).length() + return self.perpDistanceToPoint(p) + def perpDistanceToPoint(self, p): + len = self.length() + if len == 0: + return math.nan + return math.fabs(((self[1]['x'] - self[0]['x']) * (self[0]['y'] - p['y'])) - \ + ((self[0]['x'] - p['x']) * (self[1]['y'] - self[0]['y']))) / len + def angle(self): + return math.pi * (math.atan2(self.delta_y(), self.delta_x())) / 180 + def length(self): + return math.sqrt((self.delta_x() ** 2) + (self.delta_y() ** 2)) + def pointAtLength(self, len): + if self.length() == 0: return Point(math.nan, math.nan) + ratio = len / self.length() + x = self[0]['x'] + (ratio * self.delta_x()) + y = self[0]['y'] + (ratio * self.delta_y()) + return Point(x, y) + def pointAtRatio(self, ratio): + if self.length() == 0: return Point(math.nan, math.nan) + x = self[0]['x'] + (ratio * self.delta_x()) + y = self[0]['y'] + (ratio * self.delta_y()) + return Point(x, y) + def createParallel(self, p): + return Segment(Point(p['x'] + self.delta_x(), p['y'] + self.delta_y()), p) + def intersect(self, s): + return intersectSegments(self, s) + +def intersectSegments(s1, s2): + x1 = s1[0]['x'] + x2 = s1[1]['x'] + x3 = s2[0]['x'] + x4 = s2[1]['x'] + + y1 = s1[0]['y'] + y2 = s1[1]['y'] + y3 = s2[0]['y'] + y4 = s2[1]['y'] + + denom = ((y4 - y3) * (x2 - x1)) - ((x4 - x3) * (y2 - y1)) + num1 = ((x4 - x3) * (y1 - y3)) - ((y4 - y3) * (x1 - x3)) + num2 = ((x2 - x1) * (y1 - y3)) - ((y2 - y1) * (x1 - x3)) + + num = num1 + + if denom != 0: + x = x1 + ((num / denom) * (x2 - x1)) + y = y1 + ((num / denom) * (y2 - y1)) + return Point(x, y) + return Point(math.nan, math.nan) + +def dot(s1, s2): + return s1.delta_x() * s2.delta_x() + s1.delta_y() * s2.delta_y() + + +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 diff --git a/renderer/support/pogojig/inkscape/inkex.py b/renderer/support/pogojig/inkscape/inkex.py new file mode 100644 index 0000000..609ffeb --- /dev/null +++ b/renderer/support/pogojig/inkscape/inkex.py @@ -0,0 +1,363 @@ +#!/usr/bin/env python +# -*- coding: utf-8 -*- +""" +inkex.py +A helper module for creating Inkscape extensions + +Copyright (C) 2005,2010 Aaron Spike <aaron@ekips.org> and contributors + +Contributors: + Aurélio A. Heckert <aurium(a)gmail.com> + Bulia Byak <buliabyak@users.sf.net> + Nicolas Dufour, nicoduf@yahoo.fr + Peter J. R. Moulder <pjrm@users.sourceforge.net> + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +""" +import copy +import gettext +import optparse +import os +import random +import re +import sys +from math import * + +from lxml import etree + +#a dictionary of all of the xmlns prefixes in a standard inkscape doc +NSS = { +u'sodipodi' :u'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd', +u'cc' :u'http://creativecommons.org/ns#', +u'ccOLD' :u'http://web.resource.org/cc/', +u'svg' :u'http://www.w3.org/2000/svg', +u'dc' :u'http://purl.org/dc/elements/1.1/', +u'rdf' :u'http://www.w3.org/1999/02/22-rdf-syntax-ns#', +u'inkscape' :u'http://www.inkscape.org/namespaces/inkscape', +u'xlink' :u'http://www.w3.org/1999/xlink', +u'xml' :u'http://www.w3.org/XML/1998/namespace' +} + +def localize(): + domain = 'inkscape' + if sys.platform.startswith('win'): + import locale + current_locale, encoding = locale.getdefaultlocale() + os.environ['LANG'] = current_locale + try: + localdir = os.environ['INKSCAPE_LOCALEDIR']; + trans = gettext.translation(domain, localdir, [current_locale], fallback=True) + except KeyError: + trans = gettext.translation(domain, fallback=True) + elif sys.platform.startswith('darwin'): + try: + localdir = os.environ['INKSCAPE_LOCALEDIR']; + trans = gettext.translation(domain, localdir, fallback=True) + except KeyError: + try: + localdir = os.environ['PACKAGE_LOCALE_DIR']; + trans = gettext.translation(domain, localdir, fallback=True) + except KeyError: + trans = gettext.translation(domain, fallback=True) + else: + try: + localdir = os.environ['PACKAGE_LOCALE_DIR']; + trans = gettext.translation(domain, localdir, fallback=True) + except KeyError: + trans = gettext.translation(domain, fallback=True) + #sys.stderr.write(str(localdir) + "\n") + trans.install() + +def debug(what): + sys.stderr.write(str(what) + "\n") + return what + +def errormsg(msg): + """Intended for end-user-visible error messages. + + (Currently just writes to stderr with an appended newline, but could do + something better in future: e.g. could add markup to distinguish error + messages from status messages or debugging output.) + + Note that this should always be combined with translation: + + import inkex + inkex.localize() + ... + inkex.errormsg(_("This extension requires two selected paths.")) + """ + if isinstance(msg, unicode): + sys.stderr.write(msg.encode("UTF-8") + "\n") + else: + sys.stderr.write((unicode(msg, "utf-8", errors='replace') + "\n").encode("UTF-8")) + +def are_near_relative(a, b, eps): + if (a-b <= a*eps) and (a-b >= -a*eps): + return True + else: + return False + +def check_inkbool(option, opt, value): + if str(value).capitalize() == 'True': + return True + elif str(value).capitalize() == 'False': + return False + else: + raise optparse.OptionValueError("option %s: invalid inkbool value: %s" % (opt, value)) + +def addNS(tag, ns=None): + val = tag + if ns!=None and len(ns)>0 and ns in NSS and len(tag)>0 and tag[0]!='{': + val = "{%s}%s" % (NSS[ns], tag) + return val + +class InkOption(optparse.Option): + TYPES = optparse.Option.TYPES + ("inkbool",) + TYPE_CHECKER = copy.copy(optparse.Option.TYPE_CHECKER) + TYPE_CHECKER["inkbool"] = check_inkbool + +class Effect: + """A class for creating Inkscape SVG Effects""" + + def __init__(self, *args, **kwargs): + self.document=None + self.original_document=None + self.ctx=None + self.selected={} + self.doc_ids={} + self.options=None + self.args=None + self.OptionParser = optparse.OptionParser(usage="usage: %prog [options] SVGfile",option_class=InkOption) + self.OptionParser.add_option("--id", + action="append", type="string", dest="ids", default=[], + help="id attribute of object to manipulate") + + def effect(self): + pass + + def getoptions(self,args=sys.argv[1:]): + """Collect command line arguments""" + self.options, self.args = self.OptionParser.parse_args(args) + + def parse(self, filename=None): + """Parse document in specified file or on stdin""" + + # First try to open the file from the function argument + if filename != None: + try: + stream = open(filename, 'r') + except Exception: + errormsg(_("Unable to open specified file: %s") % filename) + sys.exit() + + # If it wasn't specified, try to open the file specified as + # an object member + elif self.svg_file != None: + try: + stream = open(self.svg_file, 'r') + except Exception: + errormsg(_("Unable to open object member file: %s") % self.svg_file) + sys.exit() + + # Finally, if the filename was not specified anywhere, use + # standard input stream + else: + stream = sys.stdin + + p = etree.XMLParser(huge_tree=True) + self.document = etree.parse(stream, parser=p) + self.original_document = copy.deepcopy(self.document) + stream.close() + + # defines view_center in terms of document units + def getposinlayer(self): + #defaults + self.current_layer = self.document.getroot() + self.view_center = (0.0,0.0) + + layerattr = self.document.xpath('//sodipodi:namedview/@inkscape:current-layer', namespaces=NSS) + if layerattr: + layername = layerattr[0] + layer = self.document.xpath('//svg:g[@id="%s"]' % layername, namespaces=NSS) + if layer: + self.current_layer = layer[0] + + xattr = self.document.xpath('//sodipodi:namedview/@inkscape:cx', namespaces=NSS) + yattr = self.document.xpath('//sodipodi:namedview/@inkscape:cy', namespaces=NSS) + if xattr and yattr: + x = self.unittouu( xattr[0] + 'px' ) + y = self.unittouu( yattr[0] + 'px') + doc_height = self.unittouu(self.document.getroot().get('height')) + if x and y: + self.view_center = (float(x), doc_height - float(y)) # FIXME: y-coordinate flip, eliminate it when it's gone in Inkscape + + def getselected(self): + """Collect selected nodes""" + for i in self.options.ids: + path = '//*[@id="%s"]' % i + for node in self.document.xpath(path, namespaces=NSS): + self.selected[i] = node + + def getElementById(self, id): + path = '//*[@id="%s"]' % id + el_list = self.document.xpath(path, namespaces=NSS) + if el_list: + return el_list[0] + else: + return None + + def getParentNode(self, node): + for parent in self.document.getiterator(): + if node in parent.getchildren(): + return parent + break + + + def getdocids(self): + docIdNodes = self.document.xpath('//@id', namespaces=NSS) + for m in docIdNodes: + self.doc_ids[m] = 1 + + def getNamedView(self): + return self.document.xpath('//sodipodi:namedview', namespaces=NSS)[0] + + def createGuide(self, posX, posY, angle): + atts = { + 'position': str(posX)+','+str(posY), + 'orientation': str(sin(radians(angle)))+','+str(-cos(radians(angle))) + } + guide = etree.SubElement( + self.getNamedView(), + addNS('guide','sodipodi'), atts ) + return guide + + def output(self): + """Serialize document into XML on stdout""" + original = etree.tostring(self.original_document) + result = etree.tostring(self.document) + if original != result: + self.document.write(sys.stdout) + + def affect(self, args=sys.argv[1:], output=True): + """Affect an SVG document with a callback effect""" + self.svg_file = args[-1] + self.getoptions(args) + self.parse() + self.getposinlayer() + self.getselected() + self.getdocids() + self.effect() + if output: self.output() + + def uniqueId(self, old_id, make_new_id = True): + new_id = old_id + if make_new_id: + while new_id in self.doc_ids: + new_id += random.choice('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ') + self.doc_ids[new_id] = 1 + return new_id + + def xpathSingle(self, path): + try: + retval = self.document.xpath(path, namespaces=NSS)[0] + except: + errormsg(_("No matching node for expression: %s") % path) + retval = None + return retval + + #a dictionary of unit to user unit conversion factors + __uuconv = {'in':96.0, 'pt':1.33333333333, 'px':1.0, 'mm':3.77952755913, 'cm':37.7952755913, + 'm':3779.52755913, 'km':3779527.55913, 'pc':16.0, 'yd':3456.0 , 'ft':1152.0} + + # Function returns the unit used for the values in SVG. + # For lack of an attribute in SVG that explicitly defines what units are used for SVG coordinates, + # try to calculate the unit from the SVG width and SVG viewbox. + # Defaults to 'px' units. + def getDocumentUnit(self): + svgunit = 'px' #default to pixels + + svgwidth = self.document.getroot().get('width') + viewboxstr = self.document.getroot().get('viewBox') + if viewboxstr: + unitmatch = re.compile('(%s)$' % '|'.join(self.__uuconv.keys())) + param = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)') + + p = param.match(svgwidth) + u = unitmatch.search(svgwidth) + + width = 100 #default + viewboxwidth = 100 #default + svgwidthunit = 'px' #default assume 'px' unit + if p: + width = float(p.string[p.start():p.end()]) + else: + errormsg(_("SVG Width not set correctly! Assuming width = 100")) + if u: + svgwidthunit = u.string[u.start():u.end()] + + viewboxnumbers = [] + for t in viewboxstr.split(): + try: + viewboxnumbers.append(float(t)) + except ValueError: + pass + if len(viewboxnumbers) == 4: #check for correct number of numbers + viewboxwidth = viewboxnumbers[2] + + svgunitfactor = self.__uuconv[svgwidthunit] * width / viewboxwidth + + # try to find the svgunitfactor in the list of units known. If we don't find something, ... + eps = 0.01 #allow 1% error in factor + for key in self.__uuconv: + if are_near_relative(self.__uuconv[key], svgunitfactor, eps): + #found match! + svgunit = key; + + return svgunit + + + def unittouu(self, string): + '''Returns userunits given a string representation of units in another system''' + unit = re.compile('(%s)$' % '|'.join(self.__uuconv.keys())) + param = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)') + + p = param.match(string) + u = unit.search(string) + if p: + retval = float(p.string[p.start():p.end()]) + else: + retval = 0.0 + if u: + try: + return retval * (self.__uuconv[u.string[u.start():u.end()]] / self.__uuconv[self.getDocumentUnit()]) + except KeyError: + pass + else: # default assume 'px' unit + return retval / self.__uuconv[self.getDocumentUnit()] + + return retval + + def uutounit(self, val, unit): + return val / (self.__uuconv[unit] / self.__uuconv[self.getDocumentUnit()]) + + def addDocumentUnit(self, value): + ''' Add document unit when no unit is specified in the string ''' + try: + float(value) + return value + self.getDocumentUnit() + except ValueError: + return value + +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 diff --git a/renderer/support/pogojig/inkscape/inkscape.py b/renderer/support/pogojig/inkscape/inkscape.py new file mode 100644 index 0000000..efe7677 --- /dev/null +++ b/renderer/support/pogojig/inkscape/inkscape.py @@ -0,0 +1,124 @@ +import os +import subprocess +import xml.etree.ElementTree as etree + +def get_inkscape_layers(svg_path): + document = etree.parse(svg_path) + + layers = [] + nodes = document.findall( + '{http://www.w3.org/2000/svg}g[@{http://www.inkscape.org/namespaces/inkscape}groupmode="layer"]') + + for i in nodes: + inkscape_name = i.get('{http://www.inkscape.org/namespaces/inkscape}label').strip() + + if inkscape_name.endswith(']'): + export_name, args = inkscape_name[:-1].rsplit('[', 1) + + export_name = export_name.strip() + args = args.strip() + + use_paths = 'p' in args + else: + use_paths = False + export_name = inkscape_name + + layers.append(Layer(inkscape_name, export_name, use_paths)) + return layers + + +def _inkscape(svg_path, verbs): + subprocess.run([os.environ.get('INKSCAPE', 'inkscape'), *(x for verb in verbs for x in ('--verb', verb)), svg_path]) + + +class Layer(object): + def __init__(self, inkscape_name, export_name, use_paths): + self.inkscape_name = inkscape_name + self.export_name = export_name + self.use_paths = use_paths + + +class InkscapeCommandLine(object): + def __init__(self, path): + self._path = path + self._layers = get_inkscape_layers(path) + self._current_layer_index = None + self._verbs = [] + + def apply_to_document(self, *verb): + self._verbs.extend(verb) + + def apply_to_layer(self, layer, *verb): + self._go_to_layer(layer) + self.apply_to_document(*verb) + + def select_all_in_layer(self, layer): + self.apply_to_layer(layer, 'EditSelectAll') + + def apply_to_layer_content(self, layer, *verbs): + self.select_all_in_layer(layer) + self.apply_to_document(*verbs) + + def _go_to_layer(self, layer, with_selection=False): + if self._current_layer_index is None: + # Initialize to a known state. We cannot assume that any layer is + # selected and thus we need as many LayerPrev as we have layers. + self._current_layer_index = len(self._layers) + self._go_to_layer(self._layers[0]) + + target_index = self._layers.index(layer) + + if with_selection: + next_command = 'LayerMoveToNext' + previous_command = 'LayerMoveToPrev' + else: + next_command = 'LayerNext' + previous_command = 'LayerPrev' + + while self._current_layer_index != target_index: + if self._current_layer_index < target_index: + self.apply_to_document(next_command) + self._current_layer_index += 1 + else: + self.apply_to_document(previous_command) + self._current_layer_index -= 1 + + if with_selection: + # When using LayerMoveToNext and LayerMoveToPrev, inkscape does + # not reliably select the next/previous layer. + self._current_layer_index = None + + def duplicate_layer(self, layer): + self.apply_to_layer(layer, 'LayerDuplicate') + + # Inkscape 0.91 places a duplicated layer above (after) the selected + # one and selects the new layer. + new_layer = Layer(layer.inkscape_name + ' copy', layer.export_name, layer.use_paths) + self._layers.insert(self._current_layer_index + 1, new_layer) + + # Whether the original or the new layer is selected after the operation + # fluctuates between Inkscape versions. + self._current_layer_index = None + + return new_layer + + def delete_layer(self, layer): + self.apply_to_layer(layer, 'LayerDelete') + + # Inkscape 0.91 selects the layer above (after) the deleted layer. + del self._layers[self._current_layer_index] + + def clear_layer(self, layer): + self.select_all_in_layer(layer) + self.apply_to_document('EditDelete') + + def move_content(self, source_layer, target_layer): + self.select_all_in_layer(source_layer) + self._go_to_layer(target_layer, True) + + def run(self): + _inkscape(self._path, self._verbs) + + @property + def layers(self): + return list(self._layers) diff --git a/renderer/support/pogojig/inkscape/simplepath.py b/renderer/support/pogojig/inkscape/simplepath.py new file mode 100644 index 0000000..8d4f0a7 --- /dev/null +++ b/renderer/support/pogojig/inkscape/simplepath.py @@ -0,0 +1,213 @@ +#!/usr/bin/env python +""" +simplepath.py +functions for digesting paths into a simple list structure + +Copyright (C) 2005 Aaron Spike, aaron@ekips.org + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + +""" +import re, math + +def lexPath(d): + """ + returns and iterator that breaks path data + identifies command and parameter tokens + """ + offset = 0 + length = len(d) + delim = re.compile(r'[ \t\r\n,]+') + command = re.compile(r'[MLHVCSQTAZmlhvcsqtaz]') + parameter = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)') + while 1: + m = delim.match(d, offset) + if m: + offset = m.end() + if offset >= length: + break + m = command.match(d, offset) + if m: + yield [d[offset:m.end()], True] + offset = m.end() + continue + m = parameter.match(d, offset) + if m: + yield [d[offset:m.end()], False] + offset = m.end() + continue + #TODO: create new exception + raise ValueError('Invalid path data!') +''' +pathdefs = {commandfamily: + [ + implicitnext, + #params, + [casts,cast,cast], + [coord type,x,y,0] + ]} +''' +pathdefs = { + 'M':['L', 2, [float, float], ['x','y']], + 'L':['L', 2, [float, float], ['x','y']], + 'H':['H', 1, [float], ['x']], + 'V':['V', 1, [float], ['y']], + 'C':['C', 6, [float, float, float, float, float, float], ['x','y','x','y','x','y']], + 'S':['S', 4, [float, float, float, float], ['x','y','x','y']], + 'Q':['Q', 4, [float, float, float, float], ['x','y','x','y']], + 'T':['T', 2, [float, float], ['x','y']], + 'A':['A', 7, [float, float, float, int, int, float, float], ['r','r','a',0,'s','x','y']], + 'Z':['L', 0, [], []] + } + +def parsePath(d): + """ + Parse SVG path and return an array of segments. + Removes all shorthand notation. + Converts coordinates to absolute. + """ + retval = [] + lexer = lexPath(d) + + pen = (0.0,0.0) + subPathStart = pen + lastControl = pen + lastCommand = '' + + while 1: + try: + token, isCommand = next(lexer) + except StopIteration: + break + params = [] + needParam = True + if isCommand: + if not lastCommand and token.upper() != 'M': + raise ValueError('Invalid path, must begin with moveto.') + else: + command = token + else: + #command was omited + #use last command's implicit next command + needParam = False + if lastCommand: + if lastCommand.isupper(): + command = pathdefs[lastCommand][0] + else: + command = pathdefs[lastCommand.upper()][0].lower() + else: + raise ValueError('Invalid path, no initial command.') + numParams = pathdefs[command.upper()][1] + while numParams > 0: + if needParam: + try: + token, isCommand = next(lexer) + if isCommand: + raise ValueError('Invalid number of parameters') + except StopIteration: + raise ValueError('Unexpected end of path') + cast = pathdefs[command.upper()][2][-numParams] + param = cast(token) + if command.islower(): + if pathdefs[command.upper()][3][-numParams]=='x': + param += pen[0] + elif pathdefs[command.upper()][3][-numParams]=='y': + param += pen[1] + params.append(param) + needParam = True + numParams -= 1 + #segment is now absolute so + outputCommand = command.upper() + + #Flesh out shortcut notation + if outputCommand in ('H','V'): + if outputCommand == 'H': + params.append(pen[1]) + if outputCommand == 'V': + params.insert(0,pen[0]) + outputCommand = 'L' + if outputCommand in ('S','T'): + params.insert(0,pen[1]+(pen[1]-lastControl[1])) + params.insert(0,pen[0]+(pen[0]-lastControl[0])) + if outputCommand == 'S': + outputCommand = 'C' + if outputCommand == 'T': + outputCommand = 'Q' + + #current values become "last" values + if outputCommand == 'M': + subPathStart = tuple(params[0:2]) + pen = subPathStart + if outputCommand == 'Z': + pen = subPathStart + else: + pen = tuple(params[-2:]) + + if outputCommand in ('Q','C'): + lastControl = tuple(params[-4:-2]) + else: + lastControl = pen + lastCommand = command + + retval.append([outputCommand,params]) + return retval + +def formatPath(a): + """Format SVG path data from an array""" + return "".join([cmd + " ".join([str(p) for p in params]) for cmd, params in a]) + +def translatePath(p, x, y): + for cmd,params in p: + defs = pathdefs[cmd] + for i in range(defs[1]): + if defs[3][i] == 'x': + params[i] += x + elif defs[3][i] == 'y': + params[i] += y + +def scalePath(p, x, y): + for cmd,params in p: + defs = pathdefs[cmd] + for i in range(defs[1]): + if defs[3][i] == 'x': + params[i] *= x + elif defs[3][i] == 'y': + params[i] *= y + elif defs[3][i] == 'r': # radius parameter + params[i] *= x + elif defs[3][i] == 's': # sweep-flag parameter + if x*y < 0: + params[i] = 1 - params[i] + elif defs[3][i] == 'a': # x-axis-rotation angle + if y < 0: + params[i] = - params[i] + +def rotatePath(p, a, cx = 0, cy = 0): + if a == 0: + return p + for cmd,params in p: + defs = pathdefs[cmd] + for i in range(defs[1]): + if defs[3][i] == 'x': + x = params[i] - cx + y = params[i + 1] - cy + r = math.sqrt((x**2) + (y**2)) + if r != 0: + theta = math.atan2(y, x) + a + params[i] = (r * math.cos(theta)) + cx + params[i + 1] = (r * math.sin(theta)) + cy + + +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 diff --git a/renderer/support/pogojig/inkscape/simpletransform.py b/renderer/support/pogojig/inkscape/simpletransform.py new file mode 100644 index 0000000..610cb57 --- /dev/null +++ b/renderer/support/pogojig/inkscape/simpletransform.py @@ -0,0 +1,242 @@ +''' +Copyright (C) 2006 Jean-Francois Barraud, barraud@math.univ-lille1.fr +Copyright (C) 2010 Alvin Penner, penner@vaxxine.com + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +barraud@math.univ-lille1.fr + +This code defines several functions to make handling of transform +attribute easier. +''' + +import math, re + +from . import inkex, cubicsuperpath + +def parseTransform(transf,mat=[[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]): + if transf=="" or transf==None: + return(mat) + stransf = transf.strip() + result=re.match("(translate|scale|rotate|skewX|skewY|matrix)\s*\(([^)]*)\)\s*,?",stransf) +#-- translate -- + if result.group(1)=="translate": + args=result.group(2).replace(',',' ').split() + dx=float(args[0]) + if len(args)==1: + dy=0.0 + else: + dy=float(args[1]) + matrix=[[1,0,dx],[0,1,dy]] +#-- scale -- + if result.group(1)=="scale": + args=result.group(2).replace(',',' ').split() + sx=float(args[0]) + if len(args)==1: + sy=sx + else: + sy=float(args[1]) + matrix=[[sx,0,0],[0,sy,0]] +#-- rotate -- + if result.group(1)=="rotate": + args=result.group(2).replace(',',' ').split() + a=float(args[0])*math.pi/180 + if len(args)==1: + cx,cy=(0.0,0.0) + else: + cx,cy=map(float,args[1:]) + matrix=[[math.cos(a),-math.sin(a),cx],[math.sin(a),math.cos(a),cy]] + matrix=composeTransform(matrix,[[1,0,-cx],[0,1,-cy]]) +#-- skewX -- + if result.group(1)=="skewX": + a=float(result.group(2))*math.pi/180 + matrix=[[1,math.tan(a),0],[0,1,0]] +#-- skewY -- + if result.group(1)=="skewY": + a=float(result.group(2))*math.pi/180 + matrix=[[1,0,0],[math.tan(a),1,0]] +#-- matrix -- + if result.group(1)=="matrix": + a11,a21,a12,a22,v1,v2=result.group(2).replace(',',' ').split() + matrix=[[float(a11),float(a12),float(v1)], [float(a21),float(a22),float(v2)]] + + matrix=composeTransform(mat,matrix) + if result.end() < len(stransf): + return(parseTransform(stransf[result.end():], matrix)) + else: + return matrix + +def formatTransform(mat): + return ("matrix(%f,%f,%f,%f,%f,%f)" % (mat[0][0], mat[1][0], mat[0][1], mat[1][1], mat[0][2], mat[1][2])) + +def composeTransform(M1,M2): + a11 = M1[0][0]*M2[0][0] + M1[0][1]*M2[1][0] + a12 = M1[0][0]*M2[0][1] + M1[0][1]*M2[1][1] + a21 = M1[1][0]*M2[0][0] + M1[1][1]*M2[1][0] + a22 = M1[1][0]*M2[0][1] + M1[1][1]*M2[1][1] + + v1 = M1[0][0]*M2[0][2] + M1[0][1]*M2[1][2] + M1[0][2] + v2 = M1[1][0]*M2[0][2] + M1[1][1]*M2[1][2] + M1[1][2] + return [[a11,a12,v1],[a21,a22,v2]] + +def composeParents(node, mat): + trans = node.get('transform') + if trans: + mat = composeTransform(parseTransform(trans), mat) + if node.getparent().tag == inkex.addNS('g','svg'): + mat = composeParents(node.getparent(), mat) + return mat + +def applyTransformToNode(mat,node): + m=parseTransform(node.get("transform")) + newtransf=formatTransform(composeTransform(mat,m)) + node.set("transform", newtransf) + +def applyTransformToPoint(mat,pt): + x = mat[0][0]*pt[0] + mat[0][1]*pt[1] + mat[0][2] + y = mat[1][0]*pt[0] + mat[1][1]*pt[1] + mat[1][2] + pt[0]=x + pt[1]=y + +def applyTransformToPath(mat,path): + for comp in path: + for ctl in comp: + for pt in ctl: + applyTransformToPoint(mat,pt) + +def fuseTransform(node): + if node.get('d')==None: + #FIXME: how do you raise errors? + raise AssertionError('can not fuse "transform" of elements that have no "d" attribute') + t = node.get("transform") + if t == None: + return + m = parseTransform(t) + d = node.get('d') + p = cubicsuperpath.parsePath(d) + applyTransformToPath(m,p) + node.set('d', cubicsuperpath.formatPath(p)) + del node.attrib["transform"] + +#################################################################### +##-- Some functions to compute a rough bbox of a given list of objects. +##-- this should be shipped out in an separate file... + +def boxunion(b1,b2): + if b1 is None: + return b2 + elif b2 is None: + return b1 + else: + return((min(b1[0],b2[0]), max(b1[1],b2[1]), min(b1[2],b2[2]), max(b1[3],b2[3]))) + +def roughBBox(path): + xmin,xMax,ymin,yMax = path[0][0][0][0],path[0][0][0][0],path[0][0][0][1],path[0][0][0][1] + for pathcomp in path: + for ctl in pathcomp: + for pt in ctl: + xmin = min(xmin,pt[0]) + xMax = max(xMax,pt[0]) + ymin = min(ymin,pt[1]) + yMax = max(yMax,pt[1]) + return xmin,xMax,ymin,yMax + +def refinedBBox(path): + xmin,xMax,ymin,yMax = path[0][0][1][0],path[0][0][1][0],path[0][0][1][1],path[0][0][1][1] + for pathcomp in path: + for i in range(1, len(pathcomp)): + cmin, cmax = cubicExtrema(pathcomp[i-1][1][0], pathcomp[i-1][2][0], pathcomp[i][0][0], pathcomp[i][1][0]) + xmin = min(xmin, cmin) + xMax = max(xMax, cmax) + cmin, cmax = cubicExtrema(pathcomp[i-1][1][1], pathcomp[i-1][2][1], pathcomp[i][0][1], pathcomp[i][1][1]) + ymin = min(ymin, cmin) + yMax = max(yMax, cmax) + return xmin,xMax,ymin,yMax + +def cubicExtrema(y0, y1, y2, y3): + cmin = min(y0, y3) + cmax = max(y0, y3) + d1 = y1 - y0 + d2 = y2 - y1 + d3 = y3 - y2 + if (d1 - 2*d2 + d3): + if (d2*d2 > d1*d3): + t = (d1 - d2 + math.sqrt(d2*d2 - d1*d3))/(d1 - 2*d2 + d3) + if (t > 0) and (t < 1): + y = y0*(1-t)*(1-t)*(1-t) + 3*y1*t*(1-t)*(1-t) + 3*y2*t*t*(1-t) + y3*t*t*t + cmin = min(cmin, y) + cmax = max(cmax, y) + t = (d1 - d2 - math.sqrt(d2*d2 - d1*d3))/(d1 - 2*d2 + d3) + if (t > 0) and (t < 1): + y = y0*(1-t)*(1-t)*(1-t) + 3*y1*t*(1-t)*(1-t) + 3*y2*t*t*(1-t) + y3*t*t*t + cmin = min(cmin, y) + cmax = max(cmax, y) + elif (d3 - d1): + t = -d1/(d3 - d1) + if (t > 0) and (t < 1): + y = y0*(1-t)*(1-t)*(1-t) + 3*y1*t*(1-t)*(1-t) + 3*y2*t*t*(1-t) + y3*t*t*t + cmin = min(cmin, y) + cmax = max(cmax, y) + return cmin, cmax + +def computeBBox(aList,mat=[[1,0,0],[0,1,0]]): + bbox=None + for node in aList: + m = parseTransform(node.get('transform')) + m = composeTransform(mat,m) + #TODO: text not supported! + d = None + if node.get("d"): + d = node.get('d') + elif node.get('points'): + d = 'M' + node.get('points') + elif node.tag in [ inkex.addNS('rect','svg'), 'rect', inkex.addNS('image','svg'), 'image' ]: + d = 'M' + node.get('x', '0') + ',' + node.get('y', '0') + \ + 'h' + node.get('width') + 'v' + node.get('height') + \ + 'h-' + node.get('width') + elif node.tag in [ inkex.addNS('line','svg'), 'line' ]: + d = 'M' + node.get('x1') + ',' + node.get('y1') + \ + ' ' + node.get('x2') + ',' + node.get('y2') + elif node.tag in [ inkex.addNS('circle','svg'), 'circle', \ + inkex.addNS('ellipse','svg'), 'ellipse' ]: + rx = node.get('r') + if rx is not None: + ry = rx + else: + rx = node.get('rx') + ry = node.get('ry') + cx = float(node.get('cx', '0')) + cy = float(node.get('cy', '0')) + x1 = cx - float(rx) + x2 = cx + float(rx) + d = 'M %f %f ' % (x1, cy) + \ + 'A' + rx + ',' + ry + ' 0 1 0 %f,%f' % (x2, cy) + \ + 'A' + rx + ',' + ry + ' 0 1 0 %f,%f' % (x1, cy) + + if d is not None: + p = cubicsuperpath.parsePath(d) + applyTransformToPath(m,p) + bbox=boxunion(refinedBBox(p),bbox) + + elif node.tag == inkex.addNS('use','svg') or node.tag=='use': + refid=node.get(inkex.addNS('href','xlink')) + path = '//*[@id="%s"]' % refid[1:] + refnode = node.xpath(path) + bbox=boxunion(computeBBox(refnode,m),bbox) + + bbox=boxunion(computeBBox(node,m),bbox) + return bbox + + +# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99 diff --git a/renderer/support/pogojig/kicad/__init__.py b/renderer/support/pogojig/kicad/__init__.py new file mode 100644 index 0000000..e69de29 --- /dev/null +++ b/renderer/support/pogojig/kicad/__init__.py diff --git a/renderer/support/pogojig/kicad/kicad-cache.lib b/renderer/support/pogojig/kicad/kicad-cache.lib new file mode 100644 index 0000000..a98cd73 --- /dev/null +++ b/renderer/support/pogojig/kicad/kicad-cache.lib @@ -0,0 +1,21 @@ +EESchema-LIBRARY Version 2.4 +#encoding utf-8 +# +# Connector_Conn_01x01_Female +# +DEF Connector_Conn_01x01_Female J 0 40 Y N 1 F N +F0 "J" 0 100 50 H V C CNN +F1 "Connector_Conn_01x01_Female" 0 -100 50 H V C CNN +F2 "" 0 0 50 H I C CNN +F3 "" 0 0 50 H I C CNN +$FPLIST + Connector*:* +$ENDFPLIST +DRAW +A 0 0 20 901 -901 1 1 6 N 0 20 0 -20 +P 2 1 1 6 -50 0 -20 0 N +X Pin_1 1 -200 0 150 R 50 50 1 1 P +ENDDRAW +ENDDEF +# +#End Library diff --git a/renderer/support/pogojig/kicad/kicad.pro b/renderer/support/pogojig/kicad/kicad.pro new file mode 100644 index 0000000..5cd0983 --- /dev/null +++ b/renderer/support/pogojig/kicad/kicad.pro @@ -0,0 +1,34 @@ +update=05/04/2019 20:44:53 +version=1 +last_client=kicad +[general] +version=1 +RootSch= +BoardNm= +[pcbnew] +version=1 +LastNetListRead= +UseCmpFile=1 +PadDrill=0.600000000000 +PadDrillOvalY=0.600000000000 +PadSizeH=1.500000000000 +PadSizeV=1.500000000000 +PcbTextSizeV=1.500000000000 +PcbTextSizeH=1.500000000000 +PcbTextThickness=0.300000000000 +ModuleTextSizeV=1.000000000000 +ModuleTextSizeH=1.000000000000 +ModuleTextSizeThickness=0.150000000000 +SolderMaskClearance=0.000000000000 +SolderMaskMinWidth=0.000000000000 +DrawSegmentWidth=0.200000000000 +BoardOutlineThickness=0.100000000000 +ModuleOutlineThickness=0.150000000000 +CopperEdgeClearance=0.000000000000 +[cvpcb] +version=1 +NetIExt=net +[eeschema] +version=1 +LibDir= +[eeschema/libraries] |