class SVGReader:
"An svg carving."
def __init__( self ):
"Add empty lists."
self.bridgeRotation = None
self.rotatedLoopLayers = []
self.stopProcessing = False
self.z = 0.0
def flipDirectLayer(self, rotatedLoopLayer):
"Flip the y coordinate of the layer and direct the loops."
for loop in rotatedLoopLayer.loops:
for pointIndex, point in enumerate(loop):
loop[pointIndex] = complex(point.real, -point.imag)
rotatedLoopLayer.loops = trianglemesh.getLoopsInOrderOfArea(trianglemesh.compareAreaDescending, rotatedLoopLayer.loops)
for loopIndex, loop in enumerate(rotatedLoopLayer.loops):
isInsideLoops = euclidean.isPointInsideLoopsZone(rotatedLoopLayer.loops[: loopIndex], euclidean.getLeftPoint(loop))
booleansolid.directLoop((not isInsideLoops), loop)
def getRotatedLoopLayer( self ):
"Return the rotated loop layer."
if self.z != None:
rotatedLoopLayer = euclidean.RotatedLoopLayer( self.z )
self.rotatedLoopLayers.append( rotatedLoopLayer )
rotatedLoopLayer.rotation = self.bridgeRotation
self.z = None
return self.rotatedLoopLayers[ - 1 ]
def parseSVG( self, fileName, svgText ):
"Parse SVG text and store the layers."
self.fileName = fileName
self.xmlParser = XMLSimpleReader(fileName, None, svgText)
self.sliceDictionary = svg_writer.getSliceDictionary( self.xmlParser.getRoot() )
self.yAxisPointingUpward = euclidean.getBooleanFromDictionaryDefault(False, self.sliceDictionary, 'yAxisPointingUpward')
self.processXMLElement( self.xmlParser.getRoot() )
if not self.yAxisPointingUpward:
for rotatedLoopLayer in self.rotatedLoopLayers:
self.flipDirectLayer(rotatedLoopLayer)
def processXMLElement( self, xmlElement ):
"Process the xml element."
if self.stopProcessing:
return
lowerClassName = xmlElement.className.lower()
global globalProcessSVGElementDictionary
if lowerClassName in globalProcessSVGElementDictionary:
try:
globalProcessSVGElementDictionary[ lowerClassName ]( self, xmlElement )
except:
print('Warning, in processXMLElement in svg_reader, could not process:')
print(xmlElement)
traceback.print_exc( file = sys.stdout )
for child in xmlElement.children:
self.processXMLElement( child )
class FontReader:
"Class to read a font in the fonts folder."
def __init__(self, fontFamily):
"Initialize."
self.fontFamily = fontFamily
self.glyphDictionary = {}
self.glyphXMLElementDictionary = {}
self.missingGlyph = None
fileName = os.path.join(getFontsDirectoryPath(), fontFamily + '.svg')
self.xmlParser = XMLSimpleReader(fileName, None, archive.getFileText(fileName))
self.fontXMLElement = self.xmlParser.getRoot().getFirstChildWithClassName('defs').getFirstChildWithClassName('font')
self.fontFaceXMLElement = self.fontXMLElement.getFirstChildWithClassName('font-face')
self.unitsPerEM = float(self.fontFaceXMLElement.attributeDictionary['units-per-em'])
glyphXMLElements = self.fontXMLElement.getChildrenWithClassName('glyph')
for glyphXMLElement in glyphXMLElements:
self.glyphXMLElementDictionary[glyphXMLElement.attributeDictionary['unicode']] = glyphXMLElement
def getGlyph(self, character, yAxisPointingUpward):
"Get the glyph for the character."
if character not in self.glyphXMLElementDictionary:
if self.missingGlyph == None:
missingGlyphXMLElement = self.fontXMLElement.getFirstChildWithClassName('missing-glyph')
self.missingGlyph = Glyph(self.unitsPerEM, missingGlyphXMLElement, yAxisPointingUpward)
return self.missingGlyph
if character not in self.glyphDictionary:
self.glyphDictionary[character] = Glyph(self.unitsPerEM, self.glyphXMLElementDictionary[character], yAxisPointingUpward)
return self.glyphDictionary[character]
class FontReader:
"Class to read a font in the fonts folder."
def __init__(self, fontFamily):
"Initialize."
self.fontFamily = fontFamily
self.glyphDictionary = {}
self.glyphXMLElementDictionary = {}
self.missingGlyph = None
fileName = os.path.join(getFontsDirectoryPath(), fontFamily + '.svg')
self.xmlParser = XMLSimpleReader(fileName, None, gcodec.getFileText(fileName))
self.fontXMLElement = self.xmlParser.getRoot().getFirstChildWithClassName('defs').getFirstChildWithClassName('font')
self.fontFaceXMLElement = self.fontXMLElement.getFirstChildWithClassName('font-face')
self.unitsPerEM = float(self.fontFaceXMLElement.attributeDictionary['units-per-em'])
glyphXMLElements = self.fontXMLElement.getChildrenWithClassName('glyph')
for glyphXMLElement in glyphXMLElements:
self.glyphXMLElementDictionary[glyphXMLElement.attributeDictionary['unicode']] = glyphXMLElement
def getGlyph(self, character, yAxisPointingUpward):
"Get the glyph for the character."
if character not in self.glyphXMLElementDictionary:
if self.missingGlyph == None:
missingGlyphXMLElement = self.fontXMLElement.getFirstChildWithClassName('missing-glyph')
self.missingGlyph = Glyph(self.unitsPerEM, missingGlyphXMLElement, yAxisPointingUpward)
return self.missingGlyph
if character not in self.glyphDictionary:
self.glyphDictionary[character] = Glyph(self.unitsPerEM, self.glyphXMLElementDictionary[character], yAxisPointingUpward)
return self.glyphDictionary[character]
def parseSVG(self, fileName, svgText):
"Parse SVG text and store the layers."
self.fileName = fileName
xmlParser = XMLSimpleReader(fileName, None, svgText)
self.root = xmlParser.getRoot()
if self.root == None:
print('Warning, root was None in parseSVG in SVGReader, so nothing will be done for:')
print(fileName)
return
self.parseSVGByXMLElement(self.root)
def getCarving( fileName = ''): "Get the carving for the xml file." xmlText = gcodec.getFileText( fileName ) if xmlText == '': return None xmlParser = XMLSimpleReader( fileName, None, xmlText ) lowerClassName = xmlParser.getRoot().className.lower() pluginModule = gcodec.getModuleWithDirectoryPath( getPluginsDirectoryPath(), lowerClassName ) if pluginModule == None: return None return pluginModule.getCarvingFromParser( xmlParser )
def getCarving(fileName=''): "Get the carving for the xml file." xmlText = archive.getFileText(fileName) if xmlText == '': return None xmlParser = XMLSimpleReader( fileName, None, xmlText ) lowerClassName = xmlParser.getRoot().className.lower() pluginModule = archive.getModuleWithDirectoryPath( getPluginsDirectoryPath(), lowerClassName ) if pluginModule == None: return None return pluginModule.getCarvingFromParser( xmlParser )
def parseSVG(self, fileName, svgText):
"Parse SVG text and store the layers."
self.fileName = fileName
xmlParser = XMLSimpleReader(fileName, None, svgText)
self.root = xmlParser.getRoot()
if self.root == None:
print(
'Warning, root was None in parseSVG in SVGReader, so nothing will be done for:'
)
print(fileName)
return
self.parseSVGByXMLElement(self.root)
def getCraftedGcode(self, fileName, repository, svgText):
"Parse svgText and store the bottom svgText."
xmlParser = XMLSimpleReader(fileName, None, svgText)
root = xmlParser.getRoot()
sliceElements = getSliceElements(root)
sliceDictionary = svg_writer.getSliceDictionary(root)
decimalPlacesCarried = int(sliceDictionary['decimalPlacesCarried'])
layerThickness = float(sliceDictionary['layerThickness'])
procedures = sliceDictionary['procedureDone'].split(',')
procedures.append('bottom')
sliceDictionary['procedureDone'] = ','.join(procedures)
zMinimum = 987654321.0
for sliceElement in sliceElements:
zMinimum = min(getSliceElementZ(sliceElement), zMinimum)
deltaZ = repository.altitude.value + 0.5 * layerThickness - zMinimum
for sliceElementIndex, sliceElement in enumerate(sliceElements):
z = getSliceElementZ(sliceElement) + deltaZ
setSliceElementZ(decimalPlacesCarried, sliceElement, sliceElementIndex, z)
output = cStringIO.StringIO()
root.addXML(0, output)
return output.getvalue()
class SVGWriter:
'A base class to get an svg skein from a carving.'
def __init__(self,
addLayerTemplateToSVG,
cornerMaximum,
cornerMinimum,
decimalPlacesCarried,
layerThickness,
perimeterWidth=None):
'Initialize.'
self.addLayerTemplateToSVG = addLayerTemplateToSVG
self.cornerMaximum = cornerMaximum
self.cornerMinimum = cornerMinimum
self.decimalPlacesCarried = decimalPlacesCarried
self.layerThickness = layerThickness
self.perimeterWidth = perimeterWidth
self.textHeight = 22.5
self.unitScale = 3.7
def addLayerBegin(self, layerIndex, rotatedLoopLayer):
'Add the start lines for the layer.'
zRounded = self.getRounded(rotatedLoopLayer.z)
self.graphicsCopy = self.graphicsXMLElement.getCopy(
zRounded, self.graphicsXMLElement.parentNode)
if self.addLayerTemplateToSVG:
translateXRounded = self.getRounded(self.controlBoxWidth +
self.margin + self.margin)
layerTranslateY = self.marginTop
layerTranslateY += layerIndex * self.textHeight + (
layerIndex + 1) * (self.extent.y * self.unitScale +
self.margin)
translateYRounded = self.getRounded(layerTranslateY)
self.graphicsCopy.attributeDictionary[
'transform'] = 'translate(%s, %s)' % (translateXRounded,
translateYRounded)
layerString = 'Layer %s, z:%s' % (layerIndex, zRounded)
self.graphicsCopy.getFirstChildByLocalName(
'text').text = layerString
self.graphicsCopy.attributeDictionary[
'inkscape:groupmode'] = 'layer'
self.graphicsCopy.attributeDictionary[
'inkscape:label'] = layerString
self.pathXMLElement = self.graphicsCopy.getFirstChildByLocalName(
'path')
self.pathDictionary = self.pathXMLElement.attributeDictionary
def addOriginalAsComment(self, xmlElement):
'Add original xmlElement as a comment.'
if xmlElement == None:
return
if xmlElement.localName == 'comment':
xmlElement.setParentAddToChildNodes(self.svgElement)
return
commentElement = xml_simple_reader.XMLElement()
commentElement.localName = 'comment'
xmlElementOutput = cStringIO.StringIO()
xmlElement.addXML(0, xmlElementOutput)
textLines = archive.getTextLines(xmlElementOutput.getvalue())
commentElementOutput = cStringIO.StringIO()
isComment = False
for textLine in textLines:
lineStripped = textLine.strip()
if lineStripped[:len('<!--')] == '<!--':
isComment = True
if not isComment:
if len(textLine) > 0:
commentElementOutput.write(textLine + '\n')
if '-->' in lineStripped:
isComment = False
commentElement.text = '%s%s-->\n' % (globalOriginalTextString,
commentElementOutput.getvalue())
commentElement.setParentAddToChildNodes(self.svgElement)
def addRotatedLoopLayerToOutput(self, layerIndex, rotatedLoopLayer):
'Add rotated boundary layer to the output.'
self.addLayerBegin(layerIndex, rotatedLoopLayer)
if rotatedLoopLayer.rotation != None:
self.graphicsCopy.attributeDictionary['bridgeRotation'] = str(
rotatedLoopLayer.rotation)
if self.addLayerTemplateToSVG:
self.pathDictionary['transform'] = self.getTransformString()
else:
del self.pathDictionary['transform']
self.pathDictionary['d'] = self.getSVGStringForLoops(
rotatedLoopLayer.loops)
def addRotatedLoopLayersToOutput(self, rotatedLoopLayers):
'Add rotated boundary layers to the output.'
for rotatedLoopLayerIndex, rotatedLoopLayer in enumerate(
rotatedLoopLayers):
self.addRotatedLoopLayerToOutput(rotatedLoopLayerIndex,
rotatedLoopLayer)
def getReplacedSVGTemplate(self,
fileName,
procedureName,
rotatedLoopLayers,
xmlElement=None):
'Get the lines of text from the layer_template.svg file.'
self.extent = self.cornerMaximum - self.cornerMinimum
svgTemplateText = archive.getFileText(
archive.getTemplatesPath('layer_template.svg'))
self.xmlParser = XMLSimpleReader(fileName, None, svgTemplateText)
self.svgElement = self.xmlParser.getRoot()
svgElementDictionary = self.svgElement.attributeDictionary
self.sliceDictionary = getSliceDictionary(self.svgElement)
self.controlBoxHeight = float(self.sliceDictionary['controlBoxHeight'])
self.controlBoxWidth = float(self.sliceDictionary['controlBoxWidth'])
self.margin = float(self.sliceDictionary['margin'])
self.marginTop = float(self.sliceDictionary['marginTop'])
self.textHeight = float(self.sliceDictionary['textHeight'])
self.unitScale = float(self.sliceDictionary['unitScale'])
svgMinWidth = float(self.sliceDictionary['svgMinWidth'])
self.controlBoxHeightMargin = self.controlBoxHeight + self.marginTop
if not self.addLayerTemplateToSVG:
self.svgElement.getXMLElementByID(
'layerTextTemplate').removeFromIDNameParent()
del self.svgElement.getXMLElementByID(
'sliceElementTemplate').attributeDictionary['transform']
self.graphicsXMLElement = self.svgElement.getXMLElementByID(
'sliceElementTemplate')
self.graphicsXMLElement.attributeDictionary['id'] = 'z:'
self.addRotatedLoopLayersToOutput(rotatedLoopLayers)
self.setMetadataNoscriptElement('layerThickness', 'Layer Thickness: ',
self.layerThickness)
self.setMetadataNoscriptElement('maxX', 'X: ', self.cornerMaximum.x)
self.setMetadataNoscriptElement('minX', 'X: ', self.cornerMinimum.x)
self.setMetadataNoscriptElement('maxY', 'Y: ', self.cornerMaximum.y)
self.setMetadataNoscriptElement('minY', 'Y: ', self.cornerMinimum.y)
self.setMetadataNoscriptElement('maxZ', 'Z: ', self.cornerMaximum.z)
self.setMetadataNoscriptElement('minZ', 'Z: ', self.cornerMinimum.z)
self.textHeight = float(self.sliceDictionary['textHeight'])
controlTop = len(rotatedLoopLayers) * (
self.margin + self.extent.y * self.unitScale +
self.textHeight) + self.marginTop + self.textHeight
self.svgElement.getFirstChildByLocalName(
'title').text = os.path.basename(fileName) + ' - Slice Layers'
svgElementDictionary['height'] = '%spx' % self.getRounded(
max(controlTop, self.controlBoxHeightMargin))
width = max(self.extent.x * self.unitScale, svgMinWidth)
svgElementDictionary['width'] = '%spx' % self.getRounded(width)
self.sliceDictionary['decimalPlacesCarried'] = str(
self.decimalPlacesCarried)
if self.perimeterWidth != None:
self.sliceDictionary['perimeterWidth'] = self.getRounded(
self.perimeterWidth)
self.sliceDictionary['yAxisPointingUpward'] = 'true'
self.sliceDictionary['procedureName'] = procedureName
self.setDimensionTexts('dimX', 'X: ' + self.getRounded(self.extent.x))
self.setDimensionTexts('dimY', 'Y: ' + self.getRounded(self.extent.y))
self.setDimensionTexts('dimZ', 'Z: ' + self.getRounded(self.extent.z))
self.setTexts('numberOfLayers',
'Number of Layers: %s' % len(rotatedLoopLayers))
volume = 0.0
for rotatedLoopLayer in rotatedLoopLayers:
volume += euclidean.getAreaLoops(rotatedLoopLayer.loops)
volume *= 0.001
self.setTexts('volume', 'Volume: %s cm3' % self.getRounded(volume))
if not self.addLayerTemplateToSVG:
self.svgElement.getFirstChildByLocalName(
'script').removeFromIDNameParent()
self.svgElement.getXMLElementByID(
'isoControlBox').removeFromIDNameParent()
self.svgElement.getXMLElementByID(
'layerControlBox').removeFromIDNameParent()
self.svgElement.getXMLElementByID(
'scrollControlBox').removeFromIDNameParent()
self.graphicsXMLElement.removeFromIDNameParent()
self.addOriginalAsComment(xmlElement)
output = cStringIO.StringIO()
output.write(self.xmlParser.beforeRoot)
self.svgElement.addXML(0, output)
return xml_simple_writer.getBeforeRootOutput(self.xmlParser)
def getRounded(self, number):
'Get number rounded to the number of carried decimal places as a string.'
return euclidean.getRoundedToPlacesString(self.decimalPlacesCarried,
number)
def getRoundedComplexString(self, point):
'Get the rounded complex string.'
return self.getRounded(point.real) + ' ' + self.getRounded(point.imag)
def getSVGStringForLoop(self, loop):
'Get the svg loop string.'
if len(loop) < 1:
return ''
return self.getSVGStringForPath(loop) + ' z'
def getSVGStringForLoops(self, loops):
'Get the svg loops string.'
loopString = ''
if len(loops) > 0:
loopString += self.getSVGStringForLoop(loops[0])
for loop in loops[1:]:
loopString += ' ' + self.getSVGStringForLoop(loop)
return loopString
def getSVGStringForPath(self, path):
'Get the svg path string.'
svgLoopString = ''
for point in path:
stringBeginning = 'M '
if len(svgLoopString) > 0:
stringBeginning = ' L '
svgLoopString += stringBeginning + self.getRoundedComplexString(
point)
return svgLoopString
def setMetadataNoscriptElement(self, key, prefix, value):
'Set the metadata value and the text.'
valueString = self.getRounded(value)
self.sliceDictionary[key] = valueString
self.setDimensionTexts(key, prefix + valueString)
def setDimensionTexts(self, key, valueString):
'Set the texts to the valueString followed by mm.'
self.setTexts(key, valueString + ' mm')
def setTexts(self, key, valueString):
'Set the texts to the valueString.'
self.svgElement.getXMLElementByID(key + 'Iso').text = valueString
self.svgElement.getXMLElementByID(key + 'Layer').text = valueString
self.svgElement.getXMLElementByID(key + 'Scroll').text = valueString
def getTransformString(self):
'Get the svg transform string.'
cornerMinimumXString = self.getRounded(-self.cornerMinimum.x)
cornerMinimumYString = self.getRounded(-self.cornerMinimum.y)
return 'scale(%s, %s) translate(%s, %s)' % (
self.unitScale, -self.unitScale, cornerMinimumXString,
cornerMinimumYString)
class SVGWriter:
'A base class to get an svg skein from a carving.'
def __init__(self,
addLayerTemplateToSVG,
cornerMaximum,
cornerMinimum,
decimalPlacesCarried,
layerThickness,
perimeterWidth=None):
'Initialize.'
self.addLayerTemplateToSVG = addLayerTemplateToSVG
self.cornerMaximum = cornerMaximum
self.cornerMinimum = cornerMinimum
self.decimalPlacesCarried = decimalPlacesCarried
self.layerThickness = layerThickness
self.perimeterWidth = perimeterWidth
self.textHeight = 22.5
self.unitScale = 3.7
def addLayerBegin(self, layerIndex, rotatedLoopLayer):
'Add the start lines for the layer.'
zRounded = self.getRounded(rotatedLoopLayer.z)
self.graphicsCopy = self.graphicsXMLElement.getCopy(zRounded, self.graphicsXMLElement.parent)
if self.addLayerTemplateToSVG:
translateXRounded = self.getRounded(self.controlBoxWidth + self.margin + self.margin)
layerTranslateY = self.marginTop
layerTranslateY += layerIndex * self.textHeight + (layerIndex + 1) * (self.extent.y * self.unitScale + self.margin)
translateYRounded = self.getRounded(layerTranslateY)
self.graphicsCopy.attributeDictionary['transform'] = 'translate(%s, %s)' % (translateXRounded, translateYRounded)
layerString = 'Layer %s, z:%s' % (layerIndex, zRounded)
self.graphicsCopy.getFirstChildWithClassName('text').text = layerString
self.graphicsCopy.attributeDictionary['inkscape:groupmode'] = 'layer'
self.graphicsCopy.attributeDictionary['inkscape:label'] = layerString
self.pathXMLElement = self.graphicsCopy.getFirstChildWithClassName('path')
self.pathDictionary = self.pathXMLElement.attributeDictionary
def addOriginalAsComment(self, xmlElement):
'Add original xmlElement as a comment.'
if xmlElement == None:
return
if xmlElement.className == 'comment':
xmlElement.setParentAddToChildren(self.svgElement)
return
commentElement = xml_simple_reader.XMLElement()
commentElement.className = 'comment'
xmlElementOutput = cStringIO.StringIO()
xmlElement.addXML(0, xmlElementOutput)
textLines = archive.getTextLines(xmlElementOutput.getvalue())
commentElementOutput = cStringIO.StringIO()
isComment = False
for textLine in textLines:
lineStripped = textLine.strip()
if lineStripped[: len('<!--')] == '<!--':
isComment = True
if not isComment:
if len(textLine) > 0:
commentElementOutput.write(textLine + '\n')
if '-->' in lineStripped:
isComment = False
commentElement.text = '%s%s-->\n' % (globalOriginalTextString, commentElementOutput.getvalue())
commentElement.setParentAddToChildren(self.svgElement)
def addRotatedLoopLayerToOutput(self, layerIndex, rotatedLoopLayer):
'Add rotated boundary layer to the output.'
self.addLayerBegin(layerIndex, rotatedLoopLayer)
if rotatedLoopLayer.rotation != None:
self.graphicsCopy.attributeDictionary['bridgeRotation'] = str(rotatedLoopLayer.rotation)
if self.addLayerTemplateToSVG:
self.pathDictionary['transform'] = self.getTransformString()
else:
del self.pathDictionary['transform']
self.pathDictionary['d'] = self.getSVGStringForLoops(rotatedLoopLayer.loops)
def addRotatedLoopLayersToOutput(self, rotatedLoopLayers):
'Add rotated boundary layers to the output.'
for rotatedLoopLayerIndex, rotatedLoopLayer in enumerate(rotatedLoopLayers):
self.addRotatedLoopLayerToOutput(rotatedLoopLayerIndex, rotatedLoopLayer)
def getReplacedSVGTemplate(self, fileName, procedureName, rotatedLoopLayers, xmlElement=None):
'Get the lines of text from the layer_template.svg file.'
self.extent = self.cornerMaximum - self.cornerMinimum
svgTemplateText = archive.getFileText(archive.getTemplatesPath('layer_template.svg'))
self.xmlParser = XMLSimpleReader( fileName, None, svgTemplateText )
self.svgElement = self.xmlParser.getRoot()
svgElementDictionary = self.svgElement.attributeDictionary
self.sliceDictionary = getSliceDictionary(self.svgElement)
self.controlBoxHeight = float(self.sliceDictionary['controlBoxHeight'])
self.controlBoxWidth = float(self.sliceDictionary['controlBoxWidth'])
self.margin = float(self.sliceDictionary['margin'])
self.marginTop = float(self.sliceDictionary['marginTop'])
self.textHeight = float(self.sliceDictionary['textHeight'])
self.unitScale = float(self.sliceDictionary['unitScale'])
svgMinWidth = float(self.sliceDictionary['svgMinWidth'])
self.controlBoxHeightMargin = self.controlBoxHeight + self.marginTop
if not self.addLayerTemplateToSVG:
self.svgElement.getXMLElementByID('layerTextTemplate').removeFromIDNameParent()
del self.svgElement.getXMLElementByID('sliceElementTemplate').attributeDictionary['transform']
self.graphicsXMLElement = self.svgElement.getXMLElementByID('sliceElementTemplate')
self.graphicsXMLElement.attributeDictionary['id'] = 'z:'
self.addRotatedLoopLayersToOutput(rotatedLoopLayers)
self.setMetadataNoscriptElement('layerThickness', 'Layer Thickness: ', self.layerThickness)
self.setMetadataNoscriptElement('maxX', 'X: ', self.cornerMaximum.x)
self.setMetadataNoscriptElement('minX', 'X: ', self.cornerMinimum.x)
self.setMetadataNoscriptElement('maxY', 'Y: ', self.cornerMaximum.y)
self.setMetadataNoscriptElement('minY', 'Y: ', self.cornerMinimum.y)
self.setMetadataNoscriptElement('maxZ', 'Z: ', self.cornerMaximum.z)
self.setMetadataNoscriptElement('minZ', 'Z: ', self.cornerMinimum.z)
self.textHeight = float( self.sliceDictionary['textHeight'] )
controlTop = len(rotatedLoopLayers) * (self.margin + self.extent.y * self.unitScale + self.textHeight) + self.marginTop + self.textHeight
self.svgElement.getFirstChildWithClassName('title').text = os.path.basename(fileName) + ' - Slice Layers'
svgElementDictionary['height'] = '%spx' % self.getRounded(max(controlTop, self.controlBoxHeightMargin))
width = max(self.extent.x * self.unitScale, svgMinWidth)
svgElementDictionary['width'] = '%spx' % self.getRounded( width )
self.sliceDictionary['decimalPlacesCarried'] = str( self.decimalPlacesCarried )
if self.perimeterWidth != None:
self.sliceDictionary['perimeterWidth'] = self.getRounded( self.perimeterWidth )
self.sliceDictionary['yAxisPointingUpward'] = 'true'
self.sliceDictionary['procedureName'] = procedureName
self.setDimensionTexts('dimX', 'X: ' + self.getRounded(self.extent.x))
self.setDimensionTexts('dimY', 'Y: ' + self.getRounded(self.extent.y))
self.setDimensionTexts('dimZ', 'Z: ' + self.getRounded(self.extent.z))
self.setTexts('numberOfLayers', 'Number of Layers: %s' % len(rotatedLoopLayers))
volume = 0.0
for rotatedLoopLayer in rotatedLoopLayers:
volume += euclidean.getAreaLoops(rotatedLoopLayer.loops)
volume *= 0.001
self.setTexts('volume', 'Volume: %s cm3' % self.getRounded(volume))
if not self.addLayerTemplateToSVG:
self.svgElement.getFirstChildWithClassName('script').removeFromIDNameParent()
self.svgElement.getXMLElementByID('isoControlBox').removeFromIDNameParent()
self.svgElement.getXMLElementByID('layerControlBox').removeFromIDNameParent()
self.svgElement.getXMLElementByID('scrollControlBox').removeFromIDNameParent()
self.graphicsXMLElement.removeFromIDNameParent()
self.addOriginalAsComment(xmlElement)
output = cStringIO.StringIO()
output.write(self.xmlParser.beforeRoot)
self.svgElement.addXML(0, output)
return xml_simple_writer.getBeforeRootOutput(self.xmlParser)
def getRounded(self, number):
'Get number rounded to the number of carried decimal places as a string.'
return euclidean.getRoundedToPlacesString(self.decimalPlacesCarried, number)
def getRoundedComplexString(self, point):
'Get the rounded complex string.'
return self.getRounded( point.real ) + ' ' + self.getRounded( point.imag )
def getSVGStringForLoop( self, loop ):
'Get the svg loop string.'
if len(loop) < 1:
return ''
return self.getSVGStringForPath(loop) + ' z'
def getSVGStringForLoops( self, loops ):
'Get the svg loops string.'
loopString = ''
if len(loops) > 0:
loopString += self.getSVGStringForLoop( loops[0] )
for loop in loops[1 :]:
loopString += ' ' + self.getSVGStringForLoop(loop)
return loopString
def getSVGStringForPath( self, path ):
'Get the svg path string.'
svgLoopString = ''
for point in path:
stringBeginning = 'M '
if len( svgLoopString ) > 0:
stringBeginning = ' L '
svgLoopString += stringBeginning + self.getRoundedComplexString(point)
return svgLoopString
def setMetadataNoscriptElement(self, key, prefix, value):
'Set the metadata value and the text.'
valueString = self.getRounded(value)
self.sliceDictionary[key] = valueString
self.setDimensionTexts(key, prefix + valueString)
def setDimensionTexts(self, key, valueString):
'Set the texts to the valueString followed by mm.'
self.setTexts(key, valueString + ' mm')
def setTexts(self, key, valueString):
'Set the texts to the valueString.'
self.svgElement.getXMLElementByID(key + 'Iso').text = valueString
self.svgElement.getXMLElementByID(key + 'Layer').text = valueString
self.svgElement.getXMLElementByID(key + 'Scroll').text = valueString
def getTransformString(self):
'Get the svg transform string.'
cornerMinimumXString = self.getRounded(-self.cornerMinimum.x)
cornerMinimumYString = self.getRounded(-self.cornerMinimum.y)
return 'scale(%s, %s) translate(%s, %s)' % (self.unitScale, - self.unitScale, cornerMinimumXString, cornerMinimumYString)
def parseSVG(self, fileName, svgText): "Parse SVG text and store the layers." self.fileName = fileName xmlParser = XMLSimpleReader(fileName, None, svgText) self.parseSVGByXMLElement(xmlParser.getRoot())
def parseSVG(self, fileName, svgText): "Parse SVG text and store the layers." self.fileName = fileName xmlParser = XMLSimpleReader(fileName, None, svgText) self.parseSVGByXMLElement(xmlParser.getRoot())
class SVGWriter:
"A base class to get an svg skein from a carving."
def __init__(self, addLayerTemplateToSVG, carving, decimalPlacesCarried, perimeterWidth = None):
self.addLayerTemplateToSVG = addLayerTemplateToSVG
self.carving = carving
self.decimalPlacesCarried = decimalPlacesCarried
self.margin = 20
self.perimeterWidth = perimeterWidth
self.textHeight = 22.5
self.unitScale = 3.7
def addLayerBegin(self, layerIndex, rotatedBoundaryLayer):
"Add the start lines for the layer."
zRounded = self.getRounded( rotatedBoundaryLayer.z )
self.graphicsCopy = self.graphicsXMLElement.getCopy(zRounded, self.graphicsXMLElement.parent)
if self.addLayerTemplateToSVG:
marginRounded = self.getRounded(self.margin)
layerTranslateY = layerIndex * self.textHeight + (layerIndex + 1) * (self.extent.y * self.unitScale + self.margin)
translateYRounded = self.getRounded(layerTranslateY)
self.graphicsCopy.attributeDictionary['transform'] = 'translate(%s, %s)' % (marginRounded, translateYRounded)
self.graphicsCopy.getFirstChildWithClassName('text').text = 'Layer %s, z:%s' % (layerIndex, zRounded)
self.pathXMLElement = self.graphicsCopy.getFirstChildWithClassName('path')
self.pathDictionary = self.pathXMLElement.attributeDictionary
def addRotatedLoopLayerToOutput( self, layerIndex, rotatedBoundaryLayer ):
"Add rotated boundary layer to the output."
self.addLayerBegin( layerIndex, rotatedBoundaryLayer )
if rotatedBoundaryLayer.rotation != None:
self.graphicsCopy.attributeDictionary['bridgeRotation'] = str( rotatedBoundaryLayer.rotation )
if self.addLayerTemplateToSVG:
self.pathDictionary['transform'] = self.getTransformString()
else:
del self.pathDictionary['transform']
self.pathDictionary['d'] = self.getSVGStringForLoops(rotatedBoundaryLayer.loops)
def addRotatedLoopLayersToOutput( self, rotatedBoundaryLayers ):
"Add rotated boundary layers to the output."
for rotatedBoundaryLayerIndex, rotatedBoundaryLayer in enumerate( rotatedBoundaryLayers ):
self.addRotatedLoopLayerToOutput( rotatedBoundaryLayerIndex, rotatedBoundaryLayer )
def getReplacedSVGTemplate(self, fileName, procedureName, rotatedBoundaryLayers, xmlElement):
"Get the lines of text from the layer_template.svg file."
# ( layers.length + 1 ) * (margin + sliceDimY * unitScale + txtHeight) + margin + txtHeight + margin + 110
cornerMaximum = self.carving.getCarveCornerMaximum()
cornerMinimum = self.carving.getCarveCornerMinimum()
self.extent = cornerMaximum - cornerMinimum
svgTemplateText = gcodec.getFileTextInFileDirectory( __file__, os.path.join('templates', 'layer_template.svg') )
self.xmlParser = XMLSimpleReader( fileName, None, svgTemplateText )
self.svgElement = self.xmlParser.getRoot()
if not self.addLayerTemplateToSVG:
self.svgElement.getXMLElementByID('layerTextTemplate').removeFromIDNameParent()
del self.svgElement.getXMLElementByID('sliceElementTemplate').attributeDictionary['transform']
svgElementDictionary = self.svgElement.attributeDictionary
self.graphicsXMLElement = self.svgElement.getXMLElementByID('sliceElementTemplate')
self.graphicsXMLElement.attributeDictionary['id'] = 'z:'
self.addRotatedLoopLayersToOutput( rotatedBoundaryLayers )
self.sliceDictionary = getSliceDictionary( self.svgElement )
self.setMetadataNoscriptElement('layerThickness', self.carving.getCarveLayerThickness() )
self.setMetadataNoscriptElement('maxX', cornerMaximum.x )
self.setMetadataNoscriptElement('minX', cornerMinimum.x )
self.setMetadataNoscriptElement('maxY', cornerMaximum.y )
self.setMetadataNoscriptElement('minY', cornerMinimum.y )
self.setMetadataNoscriptElement('maxZ', cornerMaximum.z )
self.setMetadataNoscriptElement('minZ', cornerMinimum.z )
self.margin = float( self.sliceDictionary['margin'] )
self.textHeight = float( self.sliceDictionary['textHeight'] )
javascriptControlBoxWidth = float( self.sliceDictionary['javascriptControlBoxWidth'] )
noJavascriptControlBoxHeight = float( self.sliceDictionary['noJavascriptControlBoxHeight'] )
controlTop = len( rotatedBoundaryLayers ) * ( self.margin + self.extent.y * self.unitScale + self.textHeight ) + 2.0 * self.margin + self.textHeight
self.svgElement.getFirstChildWithClassName('title').text = os.path.basename(fileName) + ' - Slice Layers'
svgElementDictionary['height'] = '%spx' % self.getRounded( controlTop + noJavascriptControlBoxHeight + self.margin )
# width = margin + (sliceDimX * unitScale) + margin;
width = 2.0 * self.margin + max( self.extent.x * self.unitScale, javascriptControlBoxWidth )
svgElementDictionary['width'] = '%spx' % self.getRounded( width )
self.sliceDictionary['decimalPlacesCarried'] = str( self.decimalPlacesCarried )
if self.perimeterWidth != None:
self.sliceDictionary['perimeterWidth'] = self.getRounded( self.perimeterWidth )
self.sliceDictionary['yAxisPointingUpward'] = 'true'
self.sliceDictionary['procedureDone'] = procedureName
noJavascriptDictionary = self.svgElement.getXMLElementByID('noJavascriptControls').attributeDictionary
noJavascriptDictionary['transform'] = 'translate(%s, %s)' % ( self.getRounded(self.margin), self.getRounded( controlTop ) )
self.svgElement.getXMLElementByID('dimXNoJavascript').text = self.getRounded( self.extent.x )
self.svgElement.getXMLElementByID('dimYNoJavascript').text = self.getRounded( self.extent.y )
self.svgElement.getXMLElementByID('dimZNoJavascript').text = self.getRounded( self.extent.z )
if not self.addLayerTemplateToSVG:
self.svgElement.getFirstChildWithClassName('script').removeFromIDNameParent()
self.svgElement.getXMLElementByID('beginningOfControlSection').removeFromIDNameParent()
self.svgElement.getXMLElementByID('noJavascriptControls').removeFromIDNameParent()
self.graphicsXMLElement.removeFromIDNameParent()
if xmlElement != None:
xmlElement.setParentAddToChildren(self.svgElement)
output = cStringIO.StringIO()
output.write( self.xmlParser.beforeRoot )
self.svgElement.addXML( 0, output )
return output.getvalue()
def getRounded(self, number):
"Get number rounded to the number of carried decimal places as a string."
return euclidean.getRoundedToDecimalPlacesString(self.decimalPlacesCarried, number)
def getRoundedComplexString(self, point):
"Get the rounded complex string."
return self.getRounded( point.real ) + ' ' + self.getRounded( point.imag )
def getSVGStringForLoop( self, loop ):
"Get the svg loop string."
if len(loop) < 1:
return ''
return self.getSVGStringForPath(loop) + ' z'
def getSVGStringForLoops( self, loops ):
"Get the svg loops string."
loopString = ''
if len(loops) > 0:
loopString += self.getSVGStringForLoop( loops[0] )
for loop in loops[1 :]:
loopString += ' ' + self.getSVGStringForLoop(loop)
return loopString
def getSVGStringForPath( self, path ):
"Get the svg path string."
svgLoopString = ''
for point in path:
stringBeginning = 'M '
if len( svgLoopString ) > 0:
stringBeginning = ' L '
svgLoopString += stringBeginning + self.getRoundedComplexString(point)
return svgLoopString
def getTransformString(self):
"Get the svg transform string."
cornerMinimumXString = self.getRounded( - self.carving.getCarveCornerMinimum().x )
cornerMinimumYString = self.getRounded( - self.carving.getCarveCornerMinimum().y )
return 'scale(%s, %s) translate(%s, %s)' % ( self.unitScale, - self.unitScale, cornerMinimumXString, cornerMinimumYString )
def setMetadataNoscriptElement( self, prefix, value ):
"Set the metadata value and the NoJavascript text."
valueString = self.getRounded(value)
self.sliceDictionary[ prefix ] = valueString
self.svgElement.getXMLElementByID( prefix + 'NoJavascript').text = valueString
class SVGWriter:
"A base class to get an svg skein from a carving."
def __init__(self,
addLayerTemplateToSVG,
carving,
decimalPlacesCarried,
perimeterWidth=None):
self.addLayerTemplateToSVG = addLayerTemplateToSVG
self.carving = carving
self.decimalPlacesCarried = decimalPlacesCarried
self.margin = 20
self.perimeterWidth = perimeterWidth
self.textHeight = 22.5
self.unitScale = 3.7
def addLayerBegin(self, layerIndex, rotatedBoundaryLayer):
"Add the start lines for the layer."
zRounded = self.getRounded(rotatedBoundaryLayer.z)
self.graphicsCopy = self.graphicsXMLElement.getCopy(
zRounded, self.graphicsXMLElement.parent)
if self.addLayerTemplateToSVG:
marginRounded = self.getRounded(self.margin)
layerTranslateY = layerIndex * self.textHeight + (
layerIndex + 1) * (self.extent.y * self.unitScale +
self.margin)
translateYRounded = self.getRounded(layerTranslateY)
self.graphicsCopy.attributeDictionary[
'transform'] = 'translate(%s, %s)' % (marginRounded,
translateYRounded)
self.graphicsCopy.getFirstChildWithClassName(
'text').text = 'Layer %s, z:%s' % (layerIndex, zRounded)
self.pathXMLElement = self.graphicsCopy.getFirstChildWithClassName(
'path')
self.pathDictionary = self.pathXMLElement.attributeDictionary
def addOriginalAsComment(self, xmlElement):
"Add original xmlElement as a comment."
if xmlElement == None:
return
commentElement = XMLElement()
commentElement.className = 'comment'
xmlElementOutput = cStringIO.StringIO()
xmlElement.addXML(0, xmlElementOutput)
textLines = archive.getTextLines(xmlElementOutput.getvalue())
commentElementOutput = cStringIO.StringIO()
isComment = False
for textLine in textLines:
lineStripped = textLine.strip()
if lineStripped[:len('<!--')] == '<!--':
isComment = True
if not isComment:
if len(textLine) > 0:
commentElementOutput.write(textLine + '\n')
if '-->' in lineStripped:
isComment = False
commentElement.text = '<!-- Original XML Text:\n%s-->\n' % commentElementOutput.getvalue(
)
commentElement.setParentAddToChildren(self.svgElement)
def addRotatedLoopLayerToOutput(self, layerIndex, rotatedBoundaryLayer):
"Add rotated boundary layer to the output."
self.addLayerBegin(layerIndex, rotatedBoundaryLayer)
if rotatedBoundaryLayer.rotation != None:
self.graphicsCopy.attributeDictionary['bridgeRotation'] = str(
rotatedBoundaryLayer.rotation)
if self.addLayerTemplateToSVG:
self.pathDictionary['transform'] = self.getTransformString()
else:
del self.pathDictionary['transform']
self.pathDictionary['d'] = self.getSVGStringForLoops(
rotatedBoundaryLayer.loops)
def addRotatedLoopLayersToOutput(self, rotatedBoundaryLayers):
"Add rotated boundary layers to the output."
for rotatedBoundaryLayerIndex, rotatedBoundaryLayer in enumerate(
rotatedBoundaryLayers):
self.addRotatedLoopLayerToOutput(rotatedBoundaryLayerIndex,
rotatedBoundaryLayer)
def getReplacedSVGTemplate(self,
fileName,
procedureName,
rotatedBoundaryLayers,
xmlElement=None):
"Get the lines of text from the layer_template.svg file."
# ( layers.length + 1 ) * (margin + sliceDimY * unitScale + txtHeight) + margin + txtHeight + margin + 110
cornerMaximum = self.carving.getCarveCornerMaximum()
cornerMinimum = self.carving.getCarveCornerMinimum()
self.extent = cornerMaximum - cornerMinimum
svgTemplateText = archive.getFileTextInFileDirectory(
__file__, os.path.join('templates', 'layer_template.svg'))
self.xmlParser = XMLSimpleReader(fileName, None, svgTemplateText)
self.svgElement = self.xmlParser.getRoot()
if not self.addLayerTemplateToSVG:
self.svgElement.getXMLElementByID(
'layerTextTemplate').removeFromIDNameParent()
del self.svgElement.getXMLElementByID(
'sliceElementTemplate').attributeDictionary['transform']
svgElementDictionary = self.svgElement.attributeDictionary
self.graphicsXMLElement = self.svgElement.getXMLElementByID(
'sliceElementTemplate')
self.graphicsXMLElement.attributeDictionary['id'] = 'z:'
self.addRotatedLoopLayersToOutput(rotatedBoundaryLayers)
self.sliceDictionary = getSliceDictionary(self.svgElement)
self.setMetadataNoscriptElement('layerThickness',
self.carving.getCarveLayerThickness())
self.setMetadataNoscriptElement('maxX', cornerMaximum.x)
self.setMetadataNoscriptElement('minX', cornerMinimum.x)
self.setMetadataNoscriptElement('maxY', cornerMaximum.y)
self.setMetadataNoscriptElement('minY', cornerMinimum.y)
self.setMetadataNoscriptElement('maxZ', cornerMaximum.z)
self.setMetadataNoscriptElement('minZ', cornerMinimum.z)
self.margin = float(self.sliceDictionary['margin'])
self.textHeight = float(self.sliceDictionary['textHeight'])
javascriptControlBoxWidth = float(
self.sliceDictionary['javascriptControlBoxWidth'])
noJavascriptControlBoxHeight = float(
self.sliceDictionary['noJavascriptControlBoxHeight'])
controlTop = len(rotatedBoundaryLayers) * (
self.margin + self.extent.y * self.unitScale +
self.textHeight) + 2.0 * self.margin + self.textHeight
self.svgElement.getFirstChildWithClassName(
'title').text = os.path.basename(fileName) + ' - Slice Layers'
svgElementDictionary['height'] = '%spx' % self.getRounded(
controlTop + noJavascriptControlBoxHeight + self.margin)
# width = margin + (sliceDimX * unitScale) + margin;
width = 2.0 * self.margin + max(self.extent.x * self.unitScale,
javascriptControlBoxWidth)
svgElementDictionary['width'] = '%spx' % self.getRounded(width)
self.sliceDictionary['decimalPlacesCarried'] = str(
self.decimalPlacesCarried)
if self.perimeterWidth != None:
self.sliceDictionary['perimeterWidth'] = self.getRounded(
self.perimeterWidth)
self.sliceDictionary['yAxisPointingUpward'] = 'true'
self.sliceDictionary['procedureDone'] = procedureName
noJavascriptDictionary = self.svgElement.getXMLElementByID(
'noJavascriptControls').attributeDictionary
noJavascriptDictionary['transform'] = 'translate(%s, %s)' % (
self.getRounded(self.margin), self.getRounded(controlTop))
self.svgElement.getXMLElementByID(
'dimXNoJavascript').text = self.getRounded(self.extent.x)
self.svgElement.getXMLElementByID(
'dimYNoJavascript').text = self.getRounded(self.extent.y)
self.svgElement.getXMLElementByID(
'dimZNoJavascript').text = self.getRounded(self.extent.z)
if not self.addLayerTemplateToSVG:
self.svgElement.getFirstChildWithClassName(
'script').removeFromIDNameParent()
self.svgElement.getXMLElementByID(
'beginningOfControlSection').removeFromIDNameParent()
self.svgElement.getXMLElementByID(
'noJavascriptControls').removeFromIDNameParent()
self.graphicsXMLElement.removeFromIDNameParent()
self.addOriginalAsComment(xmlElement)
output = cStringIO.StringIO()
output.write(self.xmlParser.beforeRoot)
self.svgElement.addXML(0, output)
return output.getvalue()
def getRounded(self, number):
"Get number rounded to the number of carried decimal places as a string."
return euclidean.getRoundedToDecimalPlacesString(
self.decimalPlacesCarried, number)
def getRoundedComplexString(self, point):
"Get the rounded complex string."
return self.getRounded(point.real) + ' ' + self.getRounded(point.imag)
def getSVGStringForLoop(self, loop):
"Get the svg loop string."
if len(loop) < 1:
return ''
return self.getSVGStringForPath(loop) + ' z'
def getSVGStringForLoops(self, loops):
"Get the svg loops string."
loopString = ''
if len(loops) > 0:
loopString += self.getSVGStringForLoop(loops[0])
for loop in loops[1:]:
loopString += ' ' + self.getSVGStringForLoop(loop)
return loopString
def getSVGStringForPath(self, path):
"Get the svg path string."
svgLoopString = ''
for point in path:
stringBeginning = 'M '
if len(svgLoopString) > 0:
stringBeginning = ' L '
svgLoopString += stringBeginning + self.getRoundedComplexString(
point)
return svgLoopString
def getTransformString(self):
"Get the svg transform string."
cornerMinimumXString = self.getRounded(
-self.carving.getCarveCornerMinimum().x)
cornerMinimumYString = self.getRounded(
-self.carving.getCarveCornerMinimum().y)
return 'scale(%s, %s) translate(%s, %s)' % (
self.unitScale, -self.unitScale, cornerMinimumXString,
cornerMinimumYString)
def setMetadataNoscriptElement(self, prefix, value):
"Set the metadata value and the NoJavascript text."
valueString = self.getRounded(value)
self.sliceDictionary[prefix] = valueString
self.svgElement.getXMLElementByID(prefix +
'NoJavascript').text = valueString