diff options
Diffstat (limited to 'wqflask/utility/svg.py')
| -rwxr-xr-x | wqflask/utility/svg.py | 133 |
1 files changed, 66 insertions, 67 deletions
diff --git a/wqflask/utility/svg.py b/wqflask/utility/svg.py index e49a6c3c..512bc9e6 100755 --- a/wqflask/utility/svg.py +++ b/wqflask/utility/svg.py @@ -74,7 +74,7 @@ by using easy to use classes and methods usualy you start by creating a drawing d.setSVG(s) #and finaly you xmlify the drawing d.toXml() - + this results in the svg source of the drawing, which consists of a circle on a white background. Its as easy as that;) @@ -112,7 +112,7 @@ if sys.version_info[1]<2: True=1 False=0 file=open - + sys.setrecursionlimit=50 #The recursion limit is set conservative so mistakes like s=svg() s.addElement(s) #won't eat up too much processor time. @@ -167,7 +167,7 @@ def _xypointlist(a): def _viewboxlist(a): """formats a tuple""" s='' - for e in a: + for e in a: s+=str(e)+' ' return s @@ -178,7 +178,7 @@ def _pointlist(a): class pathdata: """class used to create a pathdata object which can be used for a path. although most methods are pretty straightforward it might be useful to look at the SVG specification.""" - #I didn't test the methods below. + #I didn't test the methods below. def __init__(self,x=None,y=None): self.path=[] if x is not None and y is not None: @@ -242,10 +242,10 @@ class pathdata: 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) - - + + class SVGelement: """SVGelement(type,attributes,elements,text,namespace,**args) Creates a arbitrary svg element and is intended to be subclassed not used on its own. @@ -296,7 +296,7 @@ class SVGelement: if self.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+2)+line) f.write('\n'+'\t'*(level+1)+']]>\n') if self.text: if type(self.text)==type(''): #If the text is only text @@ -305,13 +305,13 @@ class SVGelement: f.write(str(self.text)) if self.elements: f.write('\t'*level+'</'+self.type+'>\n') - elif self.text: + elif self.text: f.write('</'+self.type+'>\n') elif self.cdata: f.write('\t'*level+'</'+self.type+'>\n') else: f.write('/>\n') - + class tspan(SVGelement): """ts=tspan(text='',**args) @@ -330,12 +330,12 @@ class tspan(SVGelement): def __repr__(self): s="<tspan" for key,value in self.attributes.items(): - s+= ' %s="%s"' % (key,value) + s+= ' %s="%s"' % (key,value) s+='>' s+=self.text s+='</tspan>' return s - + class tref(SVGelement): """tr=tref(link='',**args) @@ -350,12 +350,12 @@ class tref(SVGelement): SVGelement.__init__(self,'tref',{'xlink:href':link},**args) def __repr__(self): s="<tref" - + for key,value in self.attributes.items(): - s+= ' %s="%s"' % (key,value) + s+= ' %s="%s"' % (key,value) s+='/>' return s - + class spannedtext: """st=spannedtext(textlist=[]) @@ -363,7 +363,7 @@ class spannedtext: You can use it to add to a text element or path element. Don't add it directly to a svg or a group element. usage: - + ts=tspan('this text is bold') ts.attributes['font-weight']='bold' tr=tref('#linktotext') @@ -390,11 +390,11 @@ class spannedtext: for element in self.textlist: s+=str(element) return s - + class rect(SVGelement): """r=rect(width,height,x,y,fill,stroke,stroke_width,**args) - - a rectangle is defined by a width and height and a xy pair + + a rectangle is defined by a width and height and a xy pair """ def __init__(self,x=None,y=None,width=None,height=None,fill=None,stroke=None,stroke_width=None,**args): if width==None or height==None: @@ -415,7 +415,7 @@ class rect(SVGelement): 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) @@ -440,8 +440,8 @@ class ellipse(SVGelement): self.attributes['stroke']=stroke if stroke_width<>None: self.attributes['stroke-width']=stroke_width - - + + class circle(SVGelement): """c=circle(x,y,radius,fill,stroke,stroke_width,**args) @@ -464,7 +464,7 @@ class circle(SVGelement): class point(circle): """p=point(x,y,color) - + 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. """ @@ -473,7 +473,7 @@ class point(circle): 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): @@ -490,10 +490,10 @@ class line(SVGelement): 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): @@ -507,7 +507,7 @@ class polyline(SVGelement): 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): @@ -534,11 +534,11 @@ class path(SVGelement): self.attributes['stroke-width']=stroke_width if id<>None: self.attributes['id']=id - - + + class text(SVGelement): """t=text(x,y,text,font_size,font_family,**args) - + 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): @@ -560,7 +560,7 @@ class text(SVGelement): class textpath(SVGelement): """tp=textpath(text,link,**args) - a textpath places a text on a path which is referenced by a link. + 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) @@ -589,7 +589,7 @@ class pattern(SVGelement): class title(SVGelement): """t=title(text,**args) - + a title is a text element. The text is displayed in the title bar add at least one to the root svg element """ @@ -600,7 +600,7 @@ class title(SVGelement): class description(SVGelement): """d=description(text,**args) - + a description can be added to any element and is used for a tooltip Add this element before adding other elements. """ @@ -648,7 +648,7 @@ class radialgradient(SVGelement): self.attributes['fy']=fy if id<>None: self.attributes['id']=id - + class stop(SVGelement): """st=stop(offset,stop_color,**args) @@ -658,7 +658,7 @@ class stop(SVGelement): 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) @@ -666,8 +666,8 @@ class style(SVGelement): """ def __init__(self,type,cdata=None,**args): SVGelement.__init__(self,'style',{'type':type},cdata=cdata, **args) - - + + class image(SVGelement): """im=image(url,width,height,x,y,**args) @@ -686,7 +686,7 @@ class image(SVGelement): self.attributes['x']=x if y<>None: self.attributes['y']=y - + class cursor(SVGelement): """c=cursor(url,**args) @@ -695,10 +695,10 @@ class cursor(SVGelement): def __init__(self,url,**args): SVGelement.__init__(self,'cursor',{'xlink:href':url},**args) - + class marker(SVGelement): """m=marker(id,viewbox,refX,refY,markerWidth,markerHeight,**args) - + 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. """ @@ -716,10 +716,10 @@ class marker(SVGelement): self.attributes['markerWidth']=markerWidth if markerHeight<>None: self.attributes['markerHeight']=markerHeight - + class group(SVGelement): """g=group(id,**args) - + a group is defined by an id and is used to contain elements g.addElement(SVGelement) """ @@ -736,14 +736,14 @@ class symbol(SVGelement): display it by referencing its id. sy.addElement(SVGelement) """ - + 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) - + class defs(SVGelement): """d=defs(**args) @@ -762,10 +762,10 @@ class switch(SVGelement): def __init__(self,**args): SVGelement.__init__(self,'switch',**args) - + class use(SVGelement): """u=use(link,x,y,width,height,**args) - + 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): @@ -779,8 +779,8 @@ class use(SVGelement): self.attributes['width']=width if height<>None: self.attributes['height']=height - - + + class link(SVGelement): """a=link(url,**args) @@ -789,7 +789,7 @@ class link(SVGelement): """ def __init__(self,link='',**args): SVGelement.__init__(self,'a',{'xlink:href':link},**args) - + class view(SVGelement): """v=view(id,**args) @@ -807,11 +807,11 @@ class script(SVGelement): """ 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. + animates an attribute. """ def __init__(self,attribute,fr=None,to=None,dur=None,**args): SVGelement.__init__(self,'animate',{'attributeName':attribute},**args) @@ -821,7 +821,7 @@ class animate(SVGelement): self.attributes['to']=to if dur<>None: self.attributes['dur']=dur - + class animateMotion(SVGelement): """an=animateMotion(pathdata,dur,**args) @@ -836,7 +836,7 @@ class animateMotion(SVGelement): 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): @@ -864,10 +864,10 @@ class animateColor(SVGelement): if to<>None: self.attributes['to']=to if dur<>None: - self.attributes['dur']=dur + 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): @@ -878,10 +878,10 @@ class set(SVGelement): self.attributes['dur']=dur - + class svg(SVGelement): """s=svg(viewbox,width,height,**args) - + a svg or element is the root of a drawing add all elements to a svg element. You can have different svg elements in one svg file s.addElement(SVGelement) @@ -903,7 +903,7 @@ class svg(SVGelement): if height<>None: self.attributes['height']=height self.namespace="http://www.w3.org/2000/svg" - + class drawing: """d=drawing() @@ -921,17 +921,17 @@ class drawing: def setSVG(self,svg): self.svg=svg #Voeg een element toe aan de grafiek toe. - if use_dom_implementation==0: + if use_dom_implementation==0: def toXml(self, filename='',compress=False): import cStringIO xml=cStringIO.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\"") if self.entity: - xml.write(" [\n") - for item in self.entity.keys(): - xml.write("<!ENTITY %s \"%s\">\n" % (item, self.entity[item])) - xml.write("]") + xml.write(" [\n") + for item in self.entity.keys(): + xml.write("<!ENTITY %s \"%s\">\n" % (item, self.entity[item])) + xml.write("]") xml.write(">\n") self.svg.toXml(0,xml) if not filename: @@ -964,7 +964,7 @@ class drawing: 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 ') - + 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. @@ -1034,12 +1034,12 @@ class drawing: print "SVG well formed" 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') s.addElement(t) g=group('animations') @@ -1064,6 +1064,5 @@ if __name__=='__main__': c=circle(i,j,1,'red','black',.5) s.addElement(c) d.setSVG(s) - - print d.toXml() + print d.toXml() |