svn propset svn:eol-style native *.py

(bzr r5228)

1 files changed, 177 insertions, 177 deletions

diff --git a/share/extensions/simpletransform.py b/share/extensions/simpletransform.py
index f434d80ed..4e4de3019 100644
--- a/share/extensions/simpletransform.py
+++ b/share/extensions/simpletransform.py
@@ -1,177 +1,177 @@
-#!/usr/bin/env python

-'''

-Copyright (C) 2006 Jean-Francois Barraud, barraud@math.univ-lille1.fr

-

-This program is free software; you can redistribute it and/or modify

-it under the terms of the GNU General Public License as published by

-the Free Software Foundation; either version 2 of the License, or

-(at your option) any later version.

-

-This program is distributed in the hope that it will be useful,

-but WITHOUT ANY WARRANTY; without even the implied warranty of

-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

-GNU General Public License for more details.

-

-You should have received a copy of the GNU General Public License

-along with this program; if not, write to the Free Software

-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

-barraud@math.univ-lille1.fr

-

-This code defines several functions to make handling of transform

-attribute easier.

-'''

-import inkex, cubicsuperpath, bezmisc, simplestyle

-import copy, math, re

-

-def parseTransform(transf,mat=[[1.0,0.0,0.0],[0.0,1.0,0.0]]):

-    if transf=="" or transf==None:

-        return(mat)

-    result=re.match("(translate|scale|rotate|skewX|skewY|matrix)\(([^)]*)\)",transf)

-#-- translate --

-    if result.group(1)=="translate":

-        args=result.group(2).split(",")

-        dx=float(args[0])

-        if len(args)==1:

-            dy=0.0

-        else:

-            dy=float(args[1])

-        matrix=[[1,0,dx],[0,1,dy]]

-#-- scale --

-    if result.groups(1)=="scale":

-        args=result.group(2).split(",")

-        sx=float(args[0])

-        if len(args)==1:

-            sy=sx

-        else:

-            sy=float(args[1])

-        matrix=[[sx,0,0],[0,sy,0]]

-#-- rotate --

-    if result.groups(1)=="rotate":

-        args=result.group(2).split(",")

-        a=float(args[0])*math.pi/180

-        if len(args)==1:

-            cx,cy=(0.0,0.0)

-        else:

-            cx,cy=args[1:]

-        matrix=[[math.cos(a),-math.sin(a),cx],[math.sin(a),math.cos(a),cy]]

-#-- skewX --

-    if result.groups(1)=="skewX":

-        a=float(result.group(2))*math.pi/180

-        matrix=[[1,math.tan(a),0],[0,1,0]]

-#-- skewX --

-    if result.groups(1)=="skewX":

-        a=float(result.group(2))*math.pi/180

-        matrix=[[1,0,0],[math.tan(a),1,0]]

-#-- matrix --

-    if result.group(1)=="matrix":

-        a11,a21,a12,a22,v1,v2=result.group(2).split(",")

-        matrix=[[float(a11),float(a12),float(v1)],[float(a21),float(a22),float(v2)]]

-    

-    matrix=composeTransform(mat,matrix)

-    if result.end()<len(transf):

-        return(parseTransform(transf[result.end():],matrix))

-    else:

-        return matrix

-

-def formatTransform(mat):

-    return("matrix(%f,%f,%f,%f,%f,%f)"%(mat[0][0],mat[1][0],mat[0][1],mat[1][1],mat[0][2],mat[1][2]))

-

-def composeTransform(M1,M2):

-    a11=M1[0][0]*M2[0][0]+M1[0][1]*M2[1][0]

-    a12=M1[0][0]*M2[0][1]+M1[0][1]*M2[1][1]

-    a21=M1[1][0]*M2[0][0]+M1[1][1]*M2[1][0]

-    a22=M1[1][0]*M2[0][1]+M1[1][1]*M2[1][1]

-

-    v1=M1[0][0]*M2[0][2]+M1[0][1]*M2[1][2]+M1[0][2]

-    v2=M1[1][0]*M2[0][2]+M1[1][1]*M2[1][2]+M1[1][2]

-    return [[a11,a12,v1],[a21,a22,v2]]

-

-def applyTransformToNode(mat,node):

-    m=parseTransform(node.get("transform"))

-    newtransf=formatTransform(composeTransform(mat,m))

-    node.set("transform", newtransf)

-

-def applyTransformToPoint(mat,pt):

-    x=mat[0][0]*pt[0]+mat[0][1]*pt[1]+mat[0][2]

-    y=mat[1][0]*pt[0]+mat[1][1]*pt[1]+mat[1][2]

-    pt[0]=x

-    pt[1]=y

-

-def applyTransformToPath(mat,path):

-    for comp in path:

-        for ctl in comp:

-            for pt in ctl:

-                applyTransformToPoint(mat,pt)

-

-def fuseTransform(node):

-    if node.get('d')==None:

-        #FIX ME: how do you raise errors?

-        raise AssertionError, 'can not fuse "transform" of elements that have no "d" attribute'

-    t = node.get("transform")

-    if t == None:

-        return

-    m = parseTransform(t)

-    d = node.get('d')

-    p = cubicsuperpath.parsePath(d)

-    applyTransformToPath(m,p)

-    node.set('d', cubicsuperpath.formatPath(p))

-    del node.attrib["transform"]

-

-####################################################################

-##-- Some functions to compute a rough bbox of a given list of objects.

-##-- this should be shipped out in an separate file...

-

-def boxunion(b1,b2):

-    if b1 is None:

-        return b2

-    elif b2 is None:

-        return b1    

-    else:

-        return((min(b1[0],b2[0]),max(b1[1],b2[1]),min(b1[2],b2[2]),max(b1[3],b2[3])))

-

-def roughBBox(path):

-    xmin,xMax,ymin,yMax=path[0][0][0][0],path[0][0][0][0],path[0][0][0][1],path[0][0][0][1]

-    for pathcomp in path:

-        for ctl in pathcomp:

-           for pt in ctl:

-               xmin=min(xmin,pt[0])

-               xMax=max(xMax,pt[0])

-               ymin=min(ymin,pt[1])

-               yMax=max(yMax,pt[1])

-    return xmin,xMax,ymin,yMax

-

-def computeBBox(aList,mat=[[1,0,0],[0,1,0]]):

-    bbox=None

-    for node in aList:

-        m = parseTransform(node.get('transform'))

-        m = composeTransform(mat,m)

-        #TODO: text not supported!

-        if node.get("d"):

-            d = node.get('d')

-            p = cubicsuperpath.parsePath(d)

-            applyTransformToPath(m,p)

-            bbox=boxunion(roughBBox(p),bbox)

-

-        elif node.tag == inkex.addNS('rect','svg') or node.tag=='rect':

-            w = float(node.get('width'))/2.

-            h = float(node.get('height'))/2.

-            x = float(node.get('x'))

-            y = float(node.get('y'))

-            C = [x + w , y + h ]

-            applyTransformToPoint(mat,C)

-            xmin = C[0] - abs(m[0][0]) * w - abs(m[0][1]) * h

-            xmax = C[0] + abs(m[0][0]) * w + abs(m[0][1]) * h

-            ymin = C[1] - abs(m[1][0]) * w - abs(m[1][1]) * h

-            ymax = C[1] + abs(m[1][0]) * w + abs(m[1][1]) * h

-            bbox = xmin,xmax,ymin,ymax

-            

-        elif node.tag == inkex.addNS('use','svg') or node.tag=='use':

-            refid=node.get(inkex.addNS('href','xlink'))

-            path = '//*[@id="%s"]' % refid[1:]

-            refnode = node.xpath(path)

-            bbox=boxunion(computeBBox(refnode,m),bbox)

-            

-        bbox=boxunion(computeBBox(node,m),bbox)

-    return bbox

-

-

+#!/usr/bin/env python
+'''
+Copyright (C) 2006 Jean-Francois Barraud, barraud@math.univ-lille1.fr
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+barraud@math.univ-lille1.fr
+
+This code defines several functions to make handling of transform
+attribute easier.
+'''
+import inkex, cubicsuperpath, bezmisc, simplestyle
+import copy, math, re
+
+def parseTransform(transf,mat=[[1.0,0.0,0.0],[0.0,1.0,0.0]]):
+    if transf=="" or transf==None:
+        return(mat)
+    result=re.match("(translate|scale|rotate|skewX|skewY|matrix)\(([^)]*)\)",transf)
+#-- translate --
+    if result.group(1)=="translate":
+        args=result.group(2).split(",")
+        dx=float(args[0])
+        if len(args)==1:
+            dy=0.0
+        else:
+            dy=float(args[1])
+        matrix=[[1,0,dx],[0,1,dy]]
+#-- scale --
+    if result.groups(1)=="scale":
+        args=result.group(2).split(",")
+        sx=float(args[0])
+        if len(args)==1:
+            sy=sx
+        else:
+            sy=float(args[1])
+        matrix=[[sx,0,0],[0,sy,0]]
+#-- rotate --
+    if result.groups(1)=="rotate":
+        args=result.group(2).split(",")
+        a=float(args[0])*math.pi/180
+        if len(args)==1:
+            cx,cy=(0.0,0.0)
+        else:
+            cx,cy=args[1:]
+        matrix=[[math.cos(a),-math.sin(a),cx],[math.sin(a),math.cos(a),cy]]
+#-- skewX --
+    if result.groups(1)=="skewX":
+        a=float(result.group(2))*math.pi/180
+        matrix=[[1,math.tan(a),0],[0,1,0]]
+#-- skewX --
+    if result.groups(1)=="skewX":
+        a=float(result.group(2))*math.pi/180
+        matrix=[[1,0,0],[math.tan(a),1,0]]
+#-- matrix --
+    if result.group(1)=="matrix":
+        a11,a21,a12,a22,v1,v2=result.group(2).split(",")
+        matrix=[[float(a11),float(a12),float(v1)],[float(a21),float(a22),float(v2)]]
+    
+    matrix=composeTransform(mat,matrix)
+    if result.end()<len(transf):
+        return(parseTransform(transf[result.end():],matrix))
+    else:
+        return matrix
+
+def formatTransform(mat):
+    return("matrix(%f,%f,%f,%f,%f,%f)"%(mat[0][0],mat[1][0],mat[0][1],mat[1][1],mat[0][2],mat[1][2]))
+
+def composeTransform(M1,M2):
+    a11=M1[0][0]*M2[0][0]+M1[0][1]*M2[1][0]
+    a12=M1[0][0]*M2[0][1]+M1[0][1]*M2[1][1]
+    a21=M1[1][0]*M2[0][0]+M1[1][1]*M2[1][0]
+    a22=M1[1][0]*M2[0][1]+M1[1][1]*M2[1][1]
+
+    v1=M1[0][0]*M2[0][2]+M1[0][1]*M2[1][2]+M1[0][2]
+    v2=M1[1][0]*M2[0][2]+M1[1][1]*M2[1][2]+M1[1][2]
+    return [[a11,a12,v1],[a21,a22,v2]]
+
+def applyTransformToNode(mat,node):
+    m=parseTransform(node.get("transform"))
+    newtransf=formatTransform(composeTransform(mat,m))
+    node.set("transform", newtransf)
+
+def applyTransformToPoint(mat,pt):
+    x=mat[0][0]*pt[0]+mat[0][1]*pt[1]+mat[0][2]
+    y=mat[1][0]*pt[0]+mat[1][1]*pt[1]+mat[1][2]
+    pt[0]=x
+    pt[1]=y
+
+def applyTransformToPath(mat,path):
+    for comp in path:
+        for ctl in comp:
+            for pt in ctl:
+                applyTransformToPoint(mat,pt)
+
+def fuseTransform(node):
+    if node.get('d')==None:
+        #FIX ME: how do you raise errors?
+        raise AssertionError, 'can not fuse "transform" of elements that have no "d" attribute'
+    t = node.get("transform")
+    if t == None:
+        return
+    m = parseTransform(t)
+    d = node.get('d')
+    p = cubicsuperpath.parsePath(d)
+    applyTransformToPath(m,p)
+    node.set('d', cubicsuperpath.formatPath(p))
+    del node.attrib["transform"]
+
+####################################################################
+##-- Some functions to compute a rough bbox of a given list of objects.
+##-- this should be shipped out in an separate file...
+
+def boxunion(b1,b2):
+    if b1 is None:
+        return b2
+    elif b2 is None:
+        return b1    
+    else:
+        return((min(b1[0],b2[0]),max(b1[1],b2[1]),min(b1[2],b2[2]),max(b1[3],b2[3])))
+
+def roughBBox(path):
+    xmin,xMax,ymin,yMax=path[0][0][0][0],path[0][0][0][0],path[0][0][0][1],path[0][0][0][1]
+    for pathcomp in path:
+        for ctl in pathcomp:
+           for pt in ctl:
+               xmin=min(xmin,pt[0])
+               xMax=max(xMax,pt[0])
+               ymin=min(ymin,pt[1])
+               yMax=max(yMax,pt[1])
+    return xmin,xMax,ymin,yMax
+
+def computeBBox(aList,mat=[[1,0,0],[0,1,0]]):
+    bbox=None
+    for node in aList:
+        m = parseTransform(node.get('transform'))
+        m = composeTransform(mat,m)
+        #TODO: text not supported!
+        if node.get("d"):
+            d = node.get('d')
+            p = cubicsuperpath.parsePath(d)
+            applyTransformToPath(m,p)
+            bbox=boxunion(roughBBox(p),bbox)
+
+        elif node.tag == inkex.addNS('rect','svg') or node.tag=='rect':
+            w = float(node.get('width'))/2.
+            h = float(node.get('height'))/2.
+            x = float(node.get('x'))
+            y = float(node.get('y'))
+            C = [x + w , y + h ]
+            applyTransformToPoint(mat,C)
+            xmin = C[0] - abs(m[0][0]) * w - abs(m[0][1]) * h
+            xmax = C[0] + abs(m[0][0]) * w + abs(m[0][1]) * h
+            ymin = C[1] - abs(m[1][0]) * w - abs(m[1][1]) * h
+            ymax = C[1] + abs(m[1][0]) * w + abs(m[1][1]) * h
+            bbox = xmin,xmax,ymin,ymax
+            
+        elif node.tag == inkex.addNS('use','svg') or node.tag=='use':
+            refid=node.get(inkex.addNS('href','xlink'))
+            path = '//*[@id="%s"]' % refid[1:]
+            refnode = node.xpath(path)
+            bbox=boxunion(computeBBox(refnode,m),bbox)
+            
+        bbox=boxunion(computeBBox(node,m),bbox)
+    return bbox
+
+