add Lightburn .lbrn2 file format support
This commit is contained in:
suks.ae
Florian Festi
parent
1362364c33
commit
e8b88e53f1
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@ -1279,7 +1279,7 @@ class Boxes:
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self.corner(-a)
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@restore
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def text(self, text, x=0, y=0, angle=0, align="", fontsize=10, color=[0.0, 0.0, 0.0]):
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def text(self, text, x=0, y=0, angle=0, align="", fontsize=10, color=[0.0, 0.0, 0.0], font="Arial"):
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"""
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Draw text
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@ -1315,7 +1315,7 @@ class Boxes:
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raise ValueError("Unknown alignment: %s" % align)
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for line in reversed(text):
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self.ctx.show_text(line, fs=fontsize, align=halign, rgb=color)
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self.ctx.show_text(line, fs=fontsize, align=halign, rgb=color, font=font)
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self.moveTo(0, 1.4 * fontsize)
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tx_sizes = {
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@ -1879,7 +1879,7 @@ class Boxes:
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if 2*i in ignore_widths:
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l += edges[i+1].startwidth()
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e2 = self.edges["e"]
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if 2*i+1in ignore_widths:
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if 2*i+1 in ignore_widths:
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e1 = self.edges["e"]
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edges[i](l,
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190
boxes/drawing.py
190
boxes/drawing.py
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@ -718,7 +718,197 @@ showpage
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)
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f.close()
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class LBRN2Surface(Surface):
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invert_y = False
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dbg = False
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fonts = {
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'serif' : 'Times New Roman',
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'sans-serif' : 'Arial',
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'monospaced' : 'Courier New'
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}
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def finish(self, inner_corners="loop"):
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if self.dbg: print("LBRN2 save")
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extents = self._adjust_coordinates()
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w = extents.width * self.scale
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h = extents.height * self.scale
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svg = ET.Element('LightBurnProject', AppVersion="1.0.06", FormatVersion="1", MaterialHeight="0", MirrorX="False", MirrorY="False")
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svg.text = "\n"
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num = 0
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txtOffset = {}
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tree = ET.ElementTree(svg)
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if self.dbg: print ("8", num)
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for i, part in enumerate(self.parts):
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if self.dbg: print ("7", num)
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if not part.pathes:
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continue
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for j, path in enumerate(part.pathes):
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Color = 2*int(path.params["rgb"][0])+4*int(path.params["rgb"][1])+int(path.params["rgb"][2])
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if Color == 4: # 4 is yellow in Lightburn
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Color = 3 # use green instead
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p = []
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x, y = 0, 0
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C = ""
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start = None
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last = None
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path.faster_edges(inner_corners)
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num = 0
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cnt = 1
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ende = len(path.path)-1
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if self.dbg:
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for c in path.path:
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print ("6",num, c)
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num += 1
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num = 0
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c = path.path[num]
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C, x, y = c[0:3]
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if self.dbg: print("ende:" ,ende)
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while num < ende or (C == "T" and num <= ende): #len(path.path):
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if self.dbg: print ("0", num)
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c = path.path[num]
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if self.dbg: print("first: ", num, c)
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C, x, y = c[0:3]
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if C == "M":
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if self.dbg: print ("1", num)
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sh = ET.SubElement(svg, "Shape", Type="Path", CutIndex=str(Color))
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sh.text = "\n "
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sh.tail = "\n"
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vl = ET.SubElement(sh, "VertList")
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vl.text = f"V{x:.3f} {y:.3f}c0x1c1x1"
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vl.tail = "\n"
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pl = ET.SubElement(sh, "PrimList")
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pl.text = ""#f"L{cnt} {cnt+1}"
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pl.tail = "\n"
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start = c
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x0, y0 = x, y
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# do something with M
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done = False
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bspline = False
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while done == False and num < ende: #len(path.path):
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num += 1
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c = path.path[num]
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if self.dbg: print ("next: ",num, c)
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C, x, y = c[0:3]
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if C == "M":
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if start and points_equal(start[1], start[2], x, y):
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pl.text = "LineClosed"
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start = c
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cnt = 1
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if self.dbg: print ("next, because M")
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done = True
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elif C == "T":
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if self.dbg: print ("next, because T")
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done = True
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else:
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if C == "L":
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vl.text+=(f"V{x:.3f} {y:.3f}c0x1c1x1")
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pl.text += f"L{cnt-1} {cnt}"
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cnt +=1
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elif C == "C":
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x1, y1, x2, y2 = c[3:]
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if self.dbg: print ("C: ",x0, y0, x1, y1, x, y, x2, y2)
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vl.text+=(f"V{x0:.3f} {y0:.3f}c0x{(x1):.3f}c0y{(y1):.3f}c1x1V{x:.3f} {y:.3f}c0x1c1x{(x2):.3f}c1y{(y2):.3f}")
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pl.text += f"L{cnt-1} {cnt}B{cnt} {cnt+1}"
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cnt +=2
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bspline = True
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else:
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print("unknown", c)
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if done == False:
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x0, y0 = x, y
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if start and points_equal(start[1], start[2], x0, y0):
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if bspline == False:
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pl.text = "LineClosed"
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start = c
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if self.dbg: print ("2", num)
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elif C == "T":
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cnt = 1
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#C = ""
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if self.dbg: print ("3", num)
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m, text, params = c[3:]
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m = m * Affine.translation(0, params['fs'])
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if self.dbg: print ("T: ",x, y, c)
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num += 1
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font, bold, italic = params['ff']
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if params.get('font', 'Arial')=='Arial':
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f = self.fonts[font]
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else:
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f = params.get('font', 'Arial')
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fontColor = 2*int(params['rgb'][0])+4*int(params['rgb'][1])+int(params['rgb'][2])
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if fontColor == 4: # 4 is yellow in Lightburn
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fontColor = 3 # use green instead
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#alignment can be left|middle|end
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if params.get('align', 'left')=='middle':
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hor = '1'
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else:
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if params.get('align', 'left')=='end':
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hor = '2'
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else:
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hor = '0'
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ver = 2 # vertical is always bottom, text is shifted in box class
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pos = text.find('%')
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offs = 0
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if pos >- 1:
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if self.dbg: print ("p: ", pos, text[pos+1:pos+3])
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texttype = '2'
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if self.dbg: print("l ", len(text[pos+1:pos+3]))
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if text[pos+1:pos+2].isnumeric():
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if self.dbg: print ("t0", text[pos+1:pos+3])
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if text[pos+1:pos+3].isnumeric() and len(text[pos+1:pos+3]) == 2:
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if self.dbg: print ("t1")
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if text[pos:pos+3] in txtOffset:
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if self.dbg: print ("t2")
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offs = txtOffset[text[pos:pos+3]] + 1
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else:
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if self.dbg: print ("t3")
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offs = 0
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txtOffset[text[pos:pos+3]] = offs
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else:
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if self.dbg: print ("t4")
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if text[pos:pos+2] in txtOffset:
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if self.dbg: print ("t5")
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offs = txtOffset[text[pos:pos+2]] + 1
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else:
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offs = 0
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if self.dbg: print ("t6")
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txtOffset[text[pos:pos+2]] = offs
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else:
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if self.dbg: print ("t7")
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texttype = '0'
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else:
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texttype = '0'
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if self.dbg: print ("t8")
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if self.dbg: print ("o: ", text, txtOffset, offs)
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sh = ET.SubElement(svg, "Shape", Type="Text", CutIndex=str(fontColor), Font=f"{f}", H=f"{(params['fs']*1.75*0.6086434):.3f}", Str=f"{text}", Bold=f"{'1' if bold else '0'}", Italic=f"{'1' if italic else '0'}", Ah=f"{str(hor)}", Av=f"{str(ver)}", Eval=f"{texttype}", VariableOffset=f"{str(offs)}") # 1mm = 1.75 Lightburn H units
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sh.text = "\n "
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sh.tail = "\n"
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xf = ET.SubElement(sh, "XForm")
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xf.text = " ".join((f"{m[i]:.3f}" for i in (0, 3, 1, 4, 2, 5)))
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xf.tail = "\n"
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else:
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if self.dbg: print ("4", num)
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print ("next, because not M")
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num += 1
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url = self.metadata["url"].replace("&render=1", "") # remove render argument to get web form again
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pl = ET.SubElement(svg, "Notes", ShowOnLoad="1", Notes="File created by Boxes.py script, programmed by Florian Festi.\nLightburn output by Klaus Steinhammer.\n\nURL with settings:\n" + str(url))
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pl.text = ""
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pl.tail = "\n"
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if self.dbg: print ("5", num)
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tree.write(open(self._fname, "wb"), xml_declaration=True, method="xml", encoding="UTF-8")
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from random import random
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@ -19,18 +19,19 @@ import subprocess
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import tempfile
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import os
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import shutil
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from boxes.drawing import SVGSurface, PSSurface, Context
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from boxes.drawing import SVGSurface, PSSurface, LBRN2Surface, Context
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class Formats:
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pstoedit_candidates = ["/usr/bin/pstoedit", "pstoedit", "pstoedit.exe"]
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_BASE_FORMATS = ['svg', 'svg_Ponoko', 'ps']
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_BASE_FORMATS = ['svg', 'svg_Ponoko', 'ps', 'lbrn2']
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formats = {
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"svg": None,
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"svg_Ponoko": None,
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"ps": None,
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"lbrn2": None,
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"dxf": "-flat 0.1 -f dxf:-mm".split(),
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"gcode": "-f gcode".split(),
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"plt": "-f plot-hpgl".split(),
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@ -42,6 +43,7 @@ class Formats:
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"svg": [('Content-type', 'image/svg+xml; charset=utf-8')],
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"svg_Ponoko": [('Content-type', 'image/svg+xml; charset=utf-8')],
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"ps": [('Content-type', 'application/postscript')],
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"lbrn2": [('Content-type', 'application/lbrn2')],
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"dxf": [('Content-type', 'image/vnd.dxf')],
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"plt": [('Content-type', ' application/vnd.hp-hpgl')],
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"gcode": [('Content-type', 'text/plain; charset=utf-8')],
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@ -64,7 +66,10 @@ class Formats:
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if fmt in ("svg", "svg_Ponoko"):
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surface = SVGSurface(filename)
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else:
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surface = PSSurface(filename)
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if fmt == "lbrn2":
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surface = LBRN2Surface(filename)
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else:
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surface = PSSurface(filename)
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ctx = Context(surface)
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return surface, ctx
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