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-rw-r--r--wqflask/utility/svg.py723
1 files changed, 403 insertions, 320 deletions
diff --git a/wqflask/utility/svg.py b/wqflask/utility/svg.py
index b92cc2d1..eddb97da 100644
--- a/wqflask/utility/svg.py
+++ b/wqflask/utility/svg.py
@@ -172,7 +172,7 @@ def _viewboxlist(a):
"""formats a tuple"""
s = ''
for e in a:
- s += str(e)+' '
+ s += str(e) + ' '
return s
@@ -189,7 +189,7 @@ class pathdata:
def __init__(self, x=None, y=None):
self.path = []
if x is not None and y is not None:
- self.path.append('M '+str(x)+' '+str(y))
+ self.path.append('M ' + str(x) + ' ' + str(y))
def closepath(self):
"""ends the path"""
@@ -197,79 +197,83 @@ class pathdata:
def move(self, x, y):
"""move to absolute"""
- self.path.append('M '+str(x)+' '+str(y))
+ self.path.append('M ' + str(x) + ' ' + str(y))
def relmove(self, x, y):
"""move to relative"""
- self.path.append('m '+str(x)+' '+str(y))
+ self.path.append('m ' + str(x) + ' ' + str(y))
def line(self, x, y):
"""line to absolute"""
- self.path.append('L '+str(x)+' '+str(y))
+ self.path.append('L ' + str(x) + ' ' + str(y))
def relline(self, x, y):
"""line to relative"""
- self.path.append('l '+str(x)+' '+str(y))
+ self.path.append('l ' + str(x) + ' ' + str(y))
def hline(self, x):
"""horizontal line to absolute"""
- self.path.append('H'+str(x))
+ self.path.append('H' + str(x))
def relhline(self, x):
"""horizontal line to relative"""
- self.path.append('h'+str(x))
+ self.path.append('h' + str(x))
def vline(self, y):
"""verical line to absolute"""
- self.path.append('V'+str(y))
+ self.path.append('V' + str(y))
def relvline(self, y):
"""vertical line to relative"""
- self.path.append('v'+str(y))
+ self.path.append('v' + str(y))
def bezier(self, x1, y1, x2, y2, x, y):
"""bezier with xy1 and xy2 to xy absolut"""
- self.path.append('C'+str(x1)+','+str(y1)+' '+str(x2) +
- ','+str(y2)+' '+str(x)+','+str(y))
+ self.path.append('C' + str(x1) + ',' + str(y1) + ' ' + str(x2)
+ + ',' + str(y2) + ' ' + str(x) + ',' + str(y))
def relbezier(self, x1, y1, x2, y2, x, y):
"""bezier with xy1 and xy2 to xy relative"""
- self.path.append('c'+str(x1)+','+str(y1)+' '+str(x2) +
- ','+str(y2)+' '+str(x)+','+str(y))
+ self.path.append('c' + str(x1) + ',' + str(y1) + ' ' + str(x2)
+ + ',' + str(y2) + ' ' + str(x) + ',' + str(y))
def smbezier(self, x2, y2, x, y):
"""smooth bezier with xy2 to xy absolut"""
- self.path.append('S'+str(x2)+','+str(y2)+' '+str(x)+','+str(y))
+ self.path.append('S' + str(x2) + ',' + str(y2) + \
+ ' ' + str(x) + ',' + str(y))
def relsmbezier(self, x2, y2, x, y):
"""smooth bezier with xy2 to xy relative"""
- self.path.append('s'+str(x2)+','+str(y2)+' '+str(x)+','+str(y))
+ self.path.append('s' + str(x2) + ',' + str(y2) + \
+ ' ' + str(x) + ',' + str(y))
def qbezier(self, x1, y1, x, y):
"""quadratic bezier with xy1 to xy absolut"""
- self.path.append('Q'+str(x1)+','+str(y1)+' '+str(x)+','+str(y))
+ self.path.append('Q' + str(x1) + ',' + str(y1) + \
+ ' ' + str(x) + ',' + str(y))
def relqbezier(self, x1, y1, x, y):
"""quadratic bezier with xy1 to xy relative"""
- self.path.append('q'+str(x1)+','+str(y1)+' '+str(x)+','+str(y))
+ self.path.append('q' + str(x1) + ',' + str(y1) + \
+ ' ' + str(x) + ',' + str(y))
def smqbezier(self, x, y):
"""smooth quadratic bezier to xy absolut"""
- self.path.append('T'+str(x)+','+str(y))
+ self.path.append('T' + str(x) + ',' + str(y))
def relsmqbezier(self, x, y):
"""smooth quadratic bezier to xy relative"""
- self.path.append('t'+str(x)+','+str(y))
+ self.path.append('t' + str(x) + ',' + str(y))
def ellarc(self, rx, ry, xrot, laf, sf, x, y):
"""elliptival arc with rx and ry rotating with xrot using large-arc-flag and sweep-flag to xy absolut"""
- self.path.append('A'+str(rx)+','+str(ry)+' '+str(xrot) +
- ' '+str(laf)+' '+str(sf)+' '+str(x)+' '+str(y))
+ self.path.append('A' + str(rx) + ',' + str(ry) + ' ' + str(xrot)
+ + ' ' + str(laf) + ' ' + str(sf) + ' ' + str(x) + ' ' + str(y))
def relellarc(self, rx, ry, xrot, laf, sf, x, y):
"""elliptival arc with rx and ry rotating with xrot using large-arc-flag and sweep-flag to xy relative"""
- self.path.append('a'+str(rx)+','+str(ry)+' '+str(xrot) +
- ' '+str(laf)+' '+str(sf)+' '+str(x)+' '+str(y))
+ self.path.append('a' + str(rx) + ',' + str(ry) + ' ' + str(xrot)
+ + ' ' + str(laf) + ' ' + str(sf) + ' ' + str(x) + ' ' + str(y))
def __repr__(self):
return ' '.join(self.path)
@@ -312,36 +316,36 @@ class SVGelement:
self.elements.append(SVGelement)
def toXml(self, level, f):
- f.write('\t'*level)
- f.write('<'+self.type)
+ f.write('\t' * level)
+ f.write('<' + self.type)
for attkey in list(self.attributes.keys()):
- f.write(' '+_escape(str(attkey))+'=' +
- _quoteattr(str(self.attributes[attkey])))
+ f.write(' ' + _escape(str(attkey)) + '='
+ + _quoteattr(str(self.attributes[attkey])))
if self.namespace:
- f.write(' xmlns="' + _escape(str(self.namespace)) +
- '" xmlns:xlink="http://www.w3.org/1999/xlink"')
+ f.write(' xmlns="' + _escape(str(self.namespace))
+ + '" xmlns:xlink="http://www.w3.org/1999/xlink"')
if self.elements or self.text or self.cdata:
f.write('>')
if self.elements:
f.write('\n')
for element in self.elements:
- element.toXml(level+1, f)
+ element.toXml(level + 1, f)
if self.cdata:
- f.write('\n'+'\t'*(level+1)+'<![CDATA[')
+ f.write('\n' + '\t' * (level + 1) + '<![CDATA[')
for line in self.cdata.splitlines():
- f.write('\n'+'\t'*(level+2)+line)
- f.write('\n'+'\t'*(level+1)+']]>\n')
+ f.write('\n' + '\t' * (level + 2) + line)
+ f.write('\n' + '\t' * (level + 1) + ']]>\n')
if self.text:
if isinstance(self.text, type('')): # If the text is only text
f.write(_escape(str(self.text)))
else: # If the text is a spannedtext class
f.write(str(self.text))
if self.elements:
- f.write('\t'*level+'</'+self.type+'>\n')
+ f.write('\t' * level + '</' + self.type + '>\n')
elif self.text:
- f.write('</'+self.type+'>\n')
+ f.write('</' + self.type + '>\n')
elif self.cdata:
- f.write('\t'*level+'</'+self.type+'>\n')
+ f.write('\t' * level + '</' + self.type + '>\n')
else:
f.write('/>\n')
@@ -447,38 +451,41 @@ class rect(SVGelement):
if width == None or height == None:
raise ValueError('both height and width are required')
- SVGelement.__init__(self, 'rect', {'width':width,'height':height}, **args)
- if x!=None:
- self.attributes['x']=x
- if y!=None:
- self.attributes['y']=y
- if fill!=None:
- self.attributes['fill']=fill
- if stroke!=None:
- self.attributes['stroke']=stroke
- if stroke_width!=None:
- self.attributes['stroke-width']=stroke_width
+ SVGelement.__init__(
+ self, 'rect', {'width': width, 'height': height}, **args)
+ if x != None:
+ self.attributes['x'] = x
+ if y != None:
+ self.attributes['y'] = y
+ if fill != None:
+ self.attributes['fill'] = fill
+ if stroke != None:
+ self.attributes['stroke'] = stroke
+ if stroke_width != None:
+ self.attributes['stroke-width'] = stroke_width
+
class ellipse(SVGelement):
"""e=ellipse(rx,ry,x,y,fill,stroke,stroke_width,**args)
an ellipse is defined as a center and a x and y radius.
"""
- def __init__(self,cx=None,cy=None,rx=None,ry=None,fill=None,stroke=None,stroke_width=None,**args):
- if rx==None or ry== None:
+
+ def __init__(self, cx=None, cy=None, rx=None, ry=None, fill=None, stroke=None, stroke_width=None, **args):
+ if rx == None or ry == None:
raise ValueError('both rx and ry are required')
- SVGelement.__init__(self, 'ellipse', {'rx':rx,'ry':ry}, **args)
- if cx!=None:
- self.attributes['cx']=cx
- if cy!=None:
- self.attributes['cy']=cy
- if fill!=None:
- self.attributes['fill']=fill
- if stroke!=None:
- self.attributes['stroke']=stroke
- if stroke_width!=None:
- self.attributes['stroke-width']=stroke_width
+ SVGelement.__init__(self, 'ellipse', {'rx': rx, 'ry': ry}, **args)
+ if cx != None:
+ self.attributes['cx'] = cx
+ if cy != None:
+ self.attributes['cy'] = cy
+ if fill != None:
+ self.attributes['fill'] = fill
+ if stroke != None:
+ self.attributes['stroke'] = stroke
+ if stroke_width != None:
+ self.attributes['stroke-width'] = stroke_width
class circle(SVGelement):
@@ -486,20 +493,22 @@ class circle(SVGelement):
The circle creates an element using a x, y and radius values eg
"""
- def __init__(self,cx=None,cy=None,r=None,fill=None,stroke=None,stroke_width=None,**args):
- if r==None:
+
+ def __init__(self, cx=None, cy=None, r=None, fill=None, stroke=None, stroke_width=None, **args):
+ if r == None:
raise ValueError('r is required')
- SVGelement.__init__(self, 'circle', {'r':r}, **args)
- if cx!=None:
- self.attributes['cx']=cx
- if cy!=None:
- self.attributes['cy']=cy
- if fill!=None:
- self.attributes['fill']=fill
- if stroke!=None:
- self.attributes['stroke']=stroke
- if stroke_width!=None:
- self.attributes['stroke-width']=stroke_width
+ SVGelement.__init__(self, 'circle', {'r': r}, **args)
+ if cx != None:
+ self.attributes['cx'] = cx
+ if cy != None:
+ self.attributes['cy'] = cy
+ if fill != None:
+ self.attributes['fill'] = fill
+ if stroke != None:
+ self.attributes['stroke'] = stroke
+ if stroke_width != None:
+ self.attributes['stroke-width'] = stroke_width
+
class point(circle):
"""p=point(x,y,color)
@@ -507,72 +516,83 @@ class point(circle):
A point is defined as a circle with a size 1 radius. It may be more efficient to use a
very small rectangle if you use many points because a circle is difficult to render.
"""
- def __init__(self,x,y,fill='black',**args):
+
+ def __init__(self, x, y, fill='black', **args):
circle.__init__(self, x, y, 1, fill, **args)
+
class line(SVGelement):
"""l=line(x1,y1,x2,y2,stroke,stroke_width,**args)
A line is defined by a begin x,y pair and an end x,y pair
"""
- def __init__(self,x1=None,y1=None,x2=None,y2=None,stroke=None,stroke_width=None,**args):
+
+ def __init__(self, x1=None, y1=None, x2=None, y2=None, stroke=None, stroke_width=None, **args):
SVGelement.__init__(self, 'line', **args)
- if x1!=None:
- self.attributes['x1']=x1
- if y1!=None:
- self.attributes['y1']=y1
- if x2!=None:
- self.attributes['x2']=x2
- if y2!=None:
- self.attributes['y2']=y2
- if stroke_width!=None:
- self.attributes['stroke-width']=stroke_width
- if stroke!=None:
- self.attributes['stroke']=stroke
+ if x1 != None:
+ self.attributes['x1'] = x1
+ if y1 != None:
+ self.attributes['y1'] = y1
+ if x2 != None:
+ self.attributes['x2'] = x2
+ if y2 != None:
+ self.attributes['y2'] = y2
+ if stroke_width != None:
+ self.attributes['stroke-width'] = stroke_width
+ if stroke != None:
+ self.attributes['stroke'] = stroke
+
class polyline(SVGelement):
"""pl=polyline([[x1,y1],[x2,y2],...],fill,stroke,stroke_width,**args)
a polyline is defined by a list of xy pairs
"""
- def __init__(self,points,fill=None,stroke=None,stroke_width=None,**args):
- SVGelement.__init__(self, 'polyline', {'points':_xypointlist(points)}, **args)
- if fill!=None:
- self.attributes['fill']=fill
- if stroke_width!=None:
- self.attributes['stroke-width']=stroke_width
- if stroke!=None:
- self.attributes['stroke']=stroke
+
+ def __init__(self, points, fill=None, stroke=None, stroke_width=None, **args):
+ SVGelement.__init__(self, 'polyline', {
+ 'points': _xypointlist(points)}, **args)
+ if fill != None:
+ self.attributes['fill'] = fill
+ if stroke_width != None:
+ self.attributes['stroke-width'] = stroke_width
+ if stroke != None:
+ self.attributes['stroke'] = stroke
+
class polygon(SVGelement):
"""pl=polyline([[x1,y1],[x2,y2],...],fill,stroke,stroke_width,**args)
a polygon is defined by a list of xy pairs
"""
- def __init__(self,points,fill=None,stroke=None,stroke_width=None,**args):
- SVGelement.__init__(self, 'polygon', {'points':_xypointlist(points)}, **args)
- if fill!=None:
- self.attributes['fill']=fill
- if stroke_width!=None:
- self.attributes['stroke-width']=stroke_width
- if stroke!=None:
- self.attributes['stroke']=stroke
+
+ def __init__(self, points, fill=None, stroke=None, stroke_width=None, **args):
+ SVGelement.__init__(
+ self, 'polygon', {'points': _xypointlist(points)}, **args)
+ if fill != None:
+ self.attributes['fill'] = fill
+ if stroke_width != None:
+ self.attributes['stroke-width'] = stroke_width
+ if stroke != None:
+ self.attributes['stroke'] = stroke
+
class path(SVGelement):
"""p=path(path,fill,stroke,stroke_width,**args)
a path is defined by a path object and optional width, stroke and fillcolor
"""
- def __init__(self,pathdata,fill=None,stroke=None,stroke_width=None,id=None,**args):
- SVGelement.__init__(self, 'path', {'d':str(pathdata)}, **args)
- if stroke!=None:
- self.attributes['stroke']=stroke
- if fill!=None:
- self.attributes['fill']=fill
- if stroke_width!=None:
- self.attributes['stroke-width']=stroke_width
- if id!=None:
- self.attributes['id']=id
+
+ def __init__(self, pathdata, fill=None, stroke=None, stroke_width=None, id=None, **args):
+ SVGelement.__init__(self, 'path', {'d': str(pathdata)}, **args)
+ if stroke != None:
+ self.attributes['stroke'] = stroke
+ if fill != None:
+ self.attributes['fill'] = fill
+ if stroke_width != None:
+ self.attributes['stroke-width'] = stroke_width
+ if id != None:
+ self.attributes['id'] = id
class text(SVGelement):
@@ -580,20 +600,21 @@ class text(SVGelement):
a text element can bge used for displaying text on the screen
"""
- def __init__(self,x=None,y=None,text=None,font_size=None,font_family=None,text_anchor=None,**args):
+
+ def __init__(self, x=None, y=None, text=None, font_size=None, font_family=None, text_anchor=None, **args):
SVGelement.__init__(self, 'text', **args)
- if x!=None:
- self.attributes['x']=x
- if y!=None:
- self.attributes['y']=y
- if font_size!=None:
- self.attributes['font-size']=font_size
- if font_family!=None:
- self.attributes['font-family']=font_family
- if text!=None:
- self.text=text
- if text_anchor!=None:
- self.attributes['text-anchor']=text_anchor
+ if x != None:
+ self.attributes['x'] = x
+ if y != None:
+ self.attributes['y'] = y
+ if font_size != None:
+ self.attributes['font-size'] = font_size
+ if font_family != None:
+ self.attributes['font-family'] = font_family
+ if text != None:
+ self.text = text
+ if text_anchor != None:
+ self.attributes['text-anchor'] = text_anchor
class textpath(SVGelement):
@@ -601,10 +622,12 @@ class textpath(SVGelement):
a textpath places a text on a path which is referenced by a link.
"""
- def __init__(self,link,text=None,**args):
- SVGelement.__init__(self, 'textPath', {'xlink:href':link}, **args)
- if text!=None:
- self.text=text
+
+ def __init__(self, link, text=None, **args):
+ SVGelement.__init__(self, 'textPath', {'xlink:href': link}, **args)
+ if text != None:
+ self.text = text
+
class pattern(SVGelement):
"""p=pattern(x,y,width,height,patternUnits,**args)
@@ -613,18 +636,20 @@ class pattern(SVGelement):
graphic object which can be replicated ("tiled") at fixed intervals
in x and y to cover the areas to be painted.
"""
- def __init__(self,x=None,y=None,width=None,height=None,patternUnits=None,**args):
+
+ def __init__(self, x=None, y=None, width=None, height=None, patternUnits=None, **args):
SVGelement.__init__(self, 'pattern', **args)
- if x!=None:
- self.attributes['x']=x
- if y!=None:
- self.attributes['y']=y
- if width!=None:
- self.attributes['width']=width
- if height!=None:
- self.attributes['height']=height
- if patternUnits!=None:
- self.attributes['patternUnits']=patternUnits
+ if x != None:
+ self.attributes['x'] = x
+ if y != None:
+ self.attributes['y'] = y
+ if width != None:
+ self.attributes['width'] = width
+ if height != None:
+ self.attributes['height'] = height
+ if patternUnits != None:
+ self.attributes['patternUnits'] = patternUnits
+
class title(SVGelement):
"""t=title(text,**args)
@@ -632,10 +657,12 @@ class title(SVGelement):
a title is a text element. The text is displayed in the title bar
add at least one to the root svg element
"""
- def __init__(self,text=None,**args):
+
+ def __init__(self, text=None, **args):
SVGelement.__init__(self, 'title', **args)
- if text!=None:
- self.text=text
+ if text != None:
+ self.text = text
+
class description(SVGelement):
"""d=description(text,**args)
@@ -643,10 +670,12 @@ class description(SVGelement):
a description can be added to any element and is used for a tooltip
Add this element before adding other elements.
"""
- def __init__(self,text=None,**args):
+
+ def __init__(self, text=None, **args):
SVGelement.__init__(self, 'desc', **args)
- if text!=None:
- self.text=text
+ if text != None:
+ self.text = text
+
class lineargradient(SVGelement):
"""lg=lineargradient(x1,y1,x2,y2,id,**args)
@@ -654,18 +683,20 @@ class lineargradient(SVGelement):
defines a lineargradient using two xy pairs.
stop elements van be added to define the gradient colors.
"""
- def __init__(self,x1=None,y1=None,x2=None,y2=None,id=None,**args):
+
+ def __init__(self, x1=None, y1=None, x2=None, y2=None, id=None, **args):
SVGelement.__init__(self, 'linearGradient', **args)
- if x1!=None:
- self.attributes['x1']=x1
- if y1!=None:
- self.attributes['y1']=y1
- if x2!=None:
- self.attributes['x2']=x2
- if y2!=None:
- self.attributes['y2']=y2
- if id!=None:
- self.attributes['id']=id
+ if x1 != None:
+ self.attributes['x1'] = x1
+ if y1 != None:
+ self.attributes['y1'] = y1
+ if x2 != None:
+ self.attributes['x2'] = x2
+ if y2 != None:
+ self.attributes['y2'] = y2
+ if id != None:
+ self.attributes['id'] = id
+
class radialgradient(SVGelement):
"""rg=radialgradient(cx,cy,r,fx,fy,id,**args)
@@ -673,38 +704,43 @@ class radialgradient(SVGelement):
defines a radial gradient using a outer circle which are defined by a cx,cy and r and by using a focalpoint.
stop elements van be added to define the gradient colors.
"""
- def __init__(self,cx=None,cy=None,r=None,fx=None,fy=None,id=None,**args):
+
+ def __init__(self, cx=None, cy=None, r=None, fx=None, fy=None, id=None, **args):
SVGelement.__init__(self, 'radialGradient', **args)
- if cx!=None:
- self.attributes['cx']=cx
- if cy!=None:
- self.attributes['cy']=cy
- if r!=None:
- self.attributes['r']=r
- if fx!=None:
- self.attributes['fx']=fx
- if fy!=None:
- self.attributes['fy']=fy
- if id!=None:
- self.attributes['id']=id
+ if cx != None:
+ self.attributes['cx'] = cx
+ if cy != None:
+ self.attributes['cy'] = cy
+ if r != None:
+ self.attributes['r'] = r
+ if fx != None:
+ self.attributes['fx'] = fx
+ if fy != None:
+ self.attributes['fy'] = fy
+ if id != None:
+ self.attributes['id'] = id
+
class stop(SVGelement):
"""st=stop(offset,stop_color,**args)
Puts a stop color at the specified radius
"""
- def __init__(self,offset,stop_color=None,**args):
- SVGelement.__init__(self, 'stop', {'offset':offset}, **args)
- if stop_color!=None:
- self.attributes['stop-color']=stop_color
+
+ def __init__(self, offset, stop_color=None, **args):
+ SVGelement.__init__(self, 'stop', {'offset': offset}, **args)
+ if stop_color != None:
+ self.attributes['stop-color'] = stop_color
+
class style(SVGelement):
"""st=style(type,cdata=None,**args)
Add a CDATA element to this element for defing in line stylesheets etc..
"""
- def __init__(self,type,cdata=None,**args):
- SVGelement.__init__(self, 'style', {'type':type}, cdata=cdata, **args)
+
+ def __init__(self, type, cdata=None, **args):
+ SVGelement.__init__(self, 'style', {'type': type}, cdata=cdata, **args)
class image(SVGelement):
@@ -712,22 +748,26 @@ class image(SVGelement):
adds an image to the drawing. Supported formats are .png, .jpg and .svg.
"""
- def __init__(self,url,x=None,y=None,width=None,height=None,**args):
- if width==None or height==None:
+
+ def __init__(self, url, x=None, y=None, width=None, height=None, **args):
+ if width == None or height == None:
raise ValueError('both height and width are required')
- SVGelement.__init__(self, 'image', {'xlink:href':url,'width':width,'height':height}, **args)
- if x!=None:
- self.attributes['x']=x
- if y!=None:
- self.attributes['y']=y
+ SVGelement.__init__(
+ self, 'image', {'xlink:href': url, 'width': width, 'height': height}, **args)
+ if x != None:
+ self.attributes['x'] = x
+ if y != None:
+ self.attributes['y'] = y
+
class cursor(SVGelement):
"""c=cursor(url,**args)
defines a custom cursor for a element or a drawing
"""
- def __init__(self,url,**args):
- SVGelement.__init__(self, 'cursor', {'xlink:href':url}, **args)
+
+ def __init__(self, url, **args):
+ SVGelement.__init__(self, 'cursor', {'xlink:href': url}, **args)
class marker(SVGelement):
@@ -736,20 +776,22 @@ class marker(SVGelement):
defines a marker which can be used as an endpoint for a line or other pathtypes
add an element to it which should be used as a marker.
"""
- def __init__(self,id=None,viewBox=None,refx=None,refy=None,markerWidth=None,markerHeight=None,**args):
+
+ def __init__(self, id=None, viewBox=None, refx=None, refy=None, markerWidth=None, markerHeight=None, **args):
SVGelement.__init__(self, 'marker', **args)
- if id!=None:
- self.attributes['id']=id
- if viewBox!=None:
- self.attributes['viewBox']=_viewboxlist(viewBox)
- if refx!=None:
- self.attributes['refX']=refx
- if refy!=None:
- self.attributes['refY']=refy
- if markerWidth!=None:
- self.attributes['markerWidth']=markerWidth
- if markerHeight!=None:
- self.attributes['markerHeight']=markerHeight
+ if id != None:
+ self.attributes['id'] = id
+ if viewBox != None:
+ self.attributes['viewBox'] = _viewboxlist(viewBox)
+ if refx != None:
+ self.attributes['refX'] = refx
+ if refy != None:
+ self.attributes['refY'] = refy
+ if markerWidth != None:
+ self.attributes['markerWidth'] = markerWidth
+ if markerHeight != None:
+ self.attributes['markerHeight'] = markerHeight
+
class group(SVGelement):
"""g=group(id,**args)
@@ -757,10 +799,12 @@ class group(SVGelement):
a group is defined by an id and is used to contain elements
g.addElement(SVGelement)
"""
- def __init__(self,id=None,**args):
+
+ def __init__(self, id=None, **args):
SVGelement.__init__(self, 'g', **args)
- if id!=None:
- self.attributes['id']=id
+ if id != None:
+ self.attributes['id'] = id
+
class symbol(SVGelement):
"""sy=symbol(id,viewbox,**args)
@@ -771,21 +815,24 @@ class symbol(SVGelement):
sy.addElement(SVGelement)
"""
- def __init__(self,id=None,viewBox=None,**args):
+ def __init__(self, id=None, viewBox=None, **args):
SVGelement.__init__(self, 'symbol', **args)
- if id!=None:
- self.attributes['id']=id
- if viewBox!=None:
- self.attributes['viewBox']=_viewboxlist(viewBox)
+ if id != None:
+ self.attributes['id'] = id
+ if viewBox != None:
+ self.attributes['viewBox'] = _viewboxlist(viewBox)
+
class defs(SVGelement):
"""d=defs(**args)
container for defining elements
"""
- def __init__(self,**args):
+
+ def __init__(self, **args):
SVGelement.__init__(self, 'defs', **args)
+
class switch(SVGelement):
"""sw=switch(**args)
@@ -793,7 +840,8 @@ class switch(SVGelement):
requiredFeatures, requiredExtensions and systemLanguage.
Refer to the SVG specification for details.
"""
- def __init__(self,**args):
+
+ def __init__(self, **args):
SVGelement.__init__(self, 'switch', **args)
@@ -802,17 +850,18 @@ class use(SVGelement):
references a symbol by linking to its id and its position, height and width
"""
- def __init__(self,link,x=None,y=None,width=None,height=None,**args):
- SVGelement.__init__(self, 'use', {'xlink:href':link}, **args)
- if x!=None:
- self.attributes['x']=x
- if y!=None:
- self.attributes['y']=y
- if width!=None:
- self.attributes['width']=width
- if height!=None:
- self.attributes['height']=height
+ def __init__(self, link, x=None, y=None, width=None, height=None, **args):
+ SVGelement.__init__(self, 'use', {'xlink:href': link}, **args)
+ if x != None:
+ self.attributes['x'] = x
+ if y != None:
+ self.attributes['y'] = y
+
+ if width != None:
+ self.attributes['width'] = width
+ if height != None:
+ self.attributes['height'] = height
class link(SVGelement):
@@ -821,17 +870,21 @@ class link(SVGelement):
a link is defined by a hyperlink. add elements which have to be linked
a.addElement(SVGelement)
"""
- def __init__(self,link='',**args):
- SVGelement.__init__(self, 'a', {'xlink:href':link}, **args)
+
+ def __init__(self, link='', **args):
+ SVGelement.__init__(self, 'a', {'xlink:href': link}, **args)
+
class view(SVGelement):
"""v=view(id,**args)
a view can be used to create a view with different attributes"""
- def __init__(self,id=None,**args):
+
+ def __init__(self, id=None, **args):
SVGelement.__init__(self, 'view', **args)
- if id!=None:
- self.attributes['id']=id
+ if id != None:
+ self.attributes['id'] = id
+
class script(SVGelement):
"""sc=script(type,type,cdata,**args)
@@ -839,78 +892,94 @@ class script(SVGelement):
adds a script element which contains CDATA to the SVG drawing
"""
- def __init__(self,type,cdata=None,**args):
- SVGelement.__init__(self, 'script', {'type':type}, cdata=cdata, **args)
+
+ def __init__(self, type, cdata=None, **args):
+ SVGelement.__init__(
+ self, 'script', {'type': type}, cdata=cdata, **args)
+
class animate(SVGelement):
"""an=animate(attribute,from,to,during,**args)
animates an attribute.
"""
- def __init__(self,attribute,fr=None,to=None,dur=None,**args):
- SVGelement.__init__(self, 'animate', {'attributeName':attribute}, **args)
- if fr!=None:
- self.attributes['from']=fr
- if to!=None:
- self.attributes['to']=to
- if dur!=None:
- self.attributes['dur']=dur
+
+ def __init__(self, attribute, fr=None, to=None, dur=None, **args):
+ SVGelement.__init__(
+ self, 'animate', {'attributeName': attribute}, **args)
+ if fr != None:
+ self.attributes['from'] = fr
+ if to != None:
+ self.attributes['to'] = to
+ if dur != None:
+ self.attributes['dur'] = dur
+
class animateMotion(SVGelement):
"""an=animateMotion(pathdata,dur,**args)
animates a SVGelement over the given path in dur seconds
"""
- def __init__(self,pathdata,dur,**args):
+
+ def __init__(self, pathdata, dur, **args):
SVGelement.__init__(self, 'animateMotion', **args)
- if pathdata!=None:
- self.attributes['path']=str(pathdata)
- if dur!=None:
- self.attributes['dur']=dur
+ if pathdata != None:
+ self.attributes['path'] = str(pathdata)
+ if dur != None:
+ self.attributes['dur'] = dur
+
class animateTransform(SVGelement):
"""antr=animateTransform(type,from,to,dur,**args)
transform an element from and to a value.
"""
- def __init__(self,type=None,fr=None,to=None,dur=None,**args):
- SVGelement.__init__(self, 'animateTransform', {'attributeName':'transform'}, **args)
+
+ def __init__(self, type=None, fr=None, to=None, dur=None, **args):
+ SVGelement.__init__(self, 'animateTransform', {
+ 'attributeName': 'transform'}, **args)
# As far as I know the attributeName is always transform
- if type!=None:
- self.attributes['type']=type
- if fr!=None:
- self.attributes['from']=fr
- if to!=None:
- self.attributes['to']=to
- if dur!=None:
- self.attributes['dur']=dur
+ if type != None:
+ self.attributes['type'] = type
+ if fr != None:
+ self.attributes['from'] = fr
+ if to != None:
+ self.attributes['to'] = to
+ if dur != None:
+ self.attributes['dur'] = dur
+
+
class animateColor(SVGelement):
"""ac=animateColor(attribute,type,from,to,dur,**args)
Animates the color of a element
"""
- def __init__(self,attribute,type=None,fr=None,to=None,dur=None,**args):
- SVGelement.__init__(self, 'animateColor', {'attributeName':attribute}, **args)
- if type!=None:
- self.attributes['type']=type
- if fr!=None:
- self.attributes['from']=fr
- if to!=None:
- self.attributes['to']=to
- if dur!=None:
- self.attributes['dur']=dur
+
+ def __init__(self, attribute, type=None, fr=None, to=None, dur=None, **args):
+ SVGelement.__init__(self, 'animateColor', {
+ 'attributeName': attribute}, **args)
+ if type != None:
+ self.attributes['type'] = type
+ if fr != None:
+ self.attributes['from'] = fr
+ if to != None:
+ self.attributes['to'] = to
+ if dur != None:
+ self.attributes['dur'] = dur
+
+
class set(SVGelement):
"""st=set(attribute,to,during,**args)
sets an attribute to a value for a
"""
- def __init__(self,attribute,to=None,dur=None,**args):
- SVGelement.__init__(self, 'set', {'attributeName':attribute}, **args)
- if to!=None:
- self.attributes['to']=to
- if dur!=None:
- self.attributes['dur']=dur
+ def __init__(self, attribute, to=None, dur=None, **args):
+ SVGelement.__init__(self, 'set', {'attributeName': attribute}, **args)
+ if to != None:
+ self.attributes['to'] = to
+ if dur != None:
+ self.attributes['dur'] = dur
class svg(SVGelement):
@@ -928,15 +997,17 @@ class svg(SVGelement):
d.setSVG(s)
d.toXml()
"""
- def __init__(self,viewBox=None, width=None, height=None,**args):
+
+ def __init__(self, viewBox=None, width=None, height=None, **args):
SVGelement.__init__(self, 'svg', **args)
- if viewBox!=None:
- self.attributes['viewBox']=_viewboxlist(viewBox)
- if width!=None:
- self.attributes['width']=width
- if height!=None:
- self.attributes['height']=height
- self.namespace="http://www.w3.org/2000/svg"
+ if viewBox != None:
+ self.attributes['viewBox'] = _viewboxlist(viewBox)
+ if width != None:
+ self.attributes['width'] = width
+ if height != None:
+ self.attributes['height'] = height
+ self.namespace = "http://www.w3.org/2000/svg"
+
class drawing:
"""d=drawing()
@@ -950,29 +1021,32 @@ class drawing:
"""
def __init__(self, entity={}):
- self.svg=None
+ self.svg = None
self.entity = entity
+
def setSVG(self, svg):
- self.svg=svg
+ self.svg = svg
# Voeg een element toe aan de grafiek toe.
- if use_dom_implementation==0:
- def toXml(self, filename='',compress=False):
+ if use_dom_implementation == 0:
+ def toXml(self, filename='', compress=False):
import io
- xml=io.StringIO()
+ xml = io.StringIO()
xml.write("<?xml version='1.0' encoding='UTF-8'?>\n")
- xml.write("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\" \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\"")
+ xml.write(
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\" \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\"")
if self.entity:
xml.write(" [\n")
for item in list(self.entity.keys()):
- xml.write("<!ENTITY %s \"%s\">\n" % (item, self.entity[item]))
+ xml.write("<!ENTITY %s \"%s\">\n" %
+ (item, self.entity[item]))
xml.write("]")
xml.write(">\n")
self.svg.toXml(0, xml)
if not filename:
if compress:
import gzip
- f=io.StringIO()
- zf=gzip.GzipFile(fileobj=f, mode='wb')
+ f = io.StringIO()
+ zf = gzip.GzipFile(fileobj=f, mode='wb')
zf.write(xml.getvalue())
zf.close()
f.seek(0)
@@ -980,57 +1054,62 @@ class drawing:
else:
return xml.getvalue()
else:
- if filename[-4:]=='svgz':
+ if filename[-4:] == 'svgz':
import gzip
- f=gzip.GzipFile(filename=filename, mode="wb", compresslevel=9)
+ f = gzip.GzipFile(filename=filename,
+ mode="wb", compresslevel=9)
f.write(xml.getvalue())
f.close()
else:
- f=file(filename, 'w')
+ f = file(filename, 'w')
f.write(xml.getvalue())
f.close()
else:
- def toXml(self,filename='',compress=False):
+ def toXml(self, filename='', compress=False):
"""drawing.toXml() ---->to the screen
drawing.toXml(filename)---->to the file
writes a svg drawing to the screen or to a file
compresses if filename ends with svgz or if compress is true
"""
- doctype = implementation.createDocumentType('svg', "-//W3C//DTD SVG 1.0//EN""", 'http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd ')
+ doctype = implementation.createDocumentType(
+ 'svg', "-//W3C//DTD SVG 1.0//EN""", 'http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd ')
global root
# root is defined global so it can be used by the appender. Its also possible to use it as an arugument but
# that is a bit messy.
- root=implementation.createDocument(None, None, doctype)
+ root = implementation.createDocument(None, None, doctype)
# Create the xml document.
global appender
+
def appender(element, elementroot):
"""This recursive function appends elements to an element and sets the attributes
and type. It stops when alle elements have been appended"""
if element.namespace:
- e=root.createElementNS(element.namespace, element.type)
+ e = root.createElementNS(element.namespace, element.type)
else:
- e=root.createElement(element.type)
+ e = root.createElement(element.type)
if element.text:
- textnode=root.createTextNode(element.text)
+ textnode = root.createTextNode(element.text)
e.appendChild(textnode)
- for attribute in list(element.attributes.keys()): #in element.attributes is supported from python 2.2
- e.setAttribute(attribute, str(element.attributes[attribute]))
+ # in element.attributes is supported from python 2.2
+ for attribute in list(element.attributes.keys()):
+ e.setAttribute(attribute, str(
+ element.attributes[attribute]))
if element.elements:
for el in element.elements:
- e=appender(el, e)
+ e = appender(el, e)
elementroot.appendChild(e)
return elementroot
- root=appender(self.svg, root)
+ root = appender(self.svg, root)
if not filename:
import io
- xml=io.StringIO()
+ xml = io.StringIO()
PrettyPrint(root, xml)
if compress:
import gzip
- f=io.StringIO()
- zf=gzip.GzipFile(fileobj=f, mode='wb')
+ f = io.StringIO()
+ zf = gzip.GzipFile(fileobj=f, mode='wb')
zf.write(xml.getvalue())
zf.close()
f.seek(0)
@@ -1039,63 +1118,67 @@ class drawing:
return xml.getvalue()
else:
try:
- if filename[-4:]=='svgz':
+ if filename[-4:] == 'svgz':
import gzip
import io
- xml=io.StringIO()
+ xml = io.StringIO()
PrettyPrint(root, xml)
- f=gzip.GzipFile(filename=filename, mode='wb', compresslevel=9)
+ f = gzip.GzipFile(filename=filename,
+ mode='wb', compresslevel=9)
f.write(xml.getvalue())
f.close()
else:
- f=open(filename, 'w')
+ f = open(filename, 'w')
PrettyPrint(root, f)
f.close()
except:
print(("Cannot write SVG file: " + filename))
+
def validate(self):
try:
import xml.parsers.xmlproc.xmlval
except:
- raise exceptions.ImportError('PyXml is required for validating SVG')
- svg=self.toXml()
- xv=xml.parsers.xmlproc.xmlval.XMLValidator()
+ raise exceptions.ImportError(
+ 'PyXml is required for validating SVG')
+ svg = self.toXml()
+ xv = xml.parsers.xmlproc.xmlval.XMLValidator()
try:
xv.feed(svg)
except:
raise Exception("SVG is not well formed, see messages above")
else:
print("SVG well formed")
-if __name__=='__main__':
- d=drawing()
- s=svg((0, 0, 100, 100))
- r=rect(-100, -100, 300, 300, 'cyan')
+if __name__ == '__main__':
+
+ d = drawing()
+ s = svg((0, 0, 100, 100))
+ r = rect(-100, -100, 300, 300, 'cyan')
s.addElement(r)
- t=title('SVGdraw Demo')
+ t = title('SVGdraw Demo')
s.addElement(t)
- g=group('animations')
- e=ellipse(0, 0, 5, 2)
+ g = group('animations')
+ e = ellipse(0, 0, 5, 2)
g.addElement(e)
- c=circle(0, 0, 1, 'red')
+ c = circle(0, 0, 1, 'red')
g.addElement(c)
- pd=pathdata(0, -10)
+ pd = pathdata(0, -10)
for i in range(6):
pd.relsmbezier(10, 5, 0, 10)
pd.relsmbezier(-10, 5, 0, 10)
- an=animateMotion(pd, 10)
- an.attributes['rotate']='auto-reverse'
- an.attributes['repeatCount']="indefinite"
+ an = animateMotion(pd, 10)
+ an.attributes['rotate'] = 'auto-reverse'
+ an.attributes['repeatCount'] = "indefinite"
g.addElement(an)
s.addElement(g)
for i in range(20, 120, 20):
- u=use('#animations', i, 0)
+ u = use('#animations', i, 0)
s.addElement(u)
for i in range(0, 120, 20):
for j in range(5, 105, 10):
- c=circle(i, j, 1, 'red', 'black', .5)
+ c = circle(i, j, 1, 'red', 'black', .5)
s.addElement(c)
d.setSVG(s)
generated by cgit v1.2.3 (git 2.44.0) at 2024-11-21 21:51:18 +0000