New merge text extension (see Bug #960046).

Fixed bugs:
  - https://launchpad.net/bugs/960046

(bzr r12484)

3 files changed, 235 insertions, 0 deletions

diff --git a/share/extensions/Makefile.am b/share/extensions/Makefile.am
index d9597b33f..b63356a8f 100644
--- a/share/extensions/Makefile.am
+++ b/share/extensions/Makefile.am
@@ -166,6 +166,7 @@ extensions = \
 	text_flipcase.py \
 	text_randomcase.py \
 	text_braille.py \
+	text_merge.py \
 	triangle.py \
 	txt2svg.pl \
 	uniconv-ext.py \
@@ -348,6 +349,7 @@ modules = \
 	text_flipcase.inx \
 	text_randomcase.inx \
 	text_braille.inx \
+	text_merge.inx \
 	triangle.inx \
 	txt2svg.inx \
 	voronoi2svg.inx \
diff --git a/share/extensions/text_merge.inx b/share/extensions/text_merge.inx
new file mode 100644
index 000000000..c871f52c0
--- /dev/null
+++ b/share/extensions/text_merge.inx
@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<inkscape-extension xmlns="http://www.inkscape.org/namespace/inkscape/extension">
+  <_name>Merge</_name>
+  <id>org.inkscape.text.merge</id>
+  <dependency type="executable" location="extensions">text_merge.py</dependency>
+  <dependency type="executable" location="extensions">inkex.py</dependency>
+  <param name="direction" type="enum" _gui-text="Text direction:">
+    <_item value="lr">Left to right</_item>
+    <_item value="bt">Bottom to top</_item>
+    <_item value="rl">Right to left</_item>
+    <_item value="tb">Top to bottom</_item>
+  </param>
+  <param name="xanchor" type="enum" _gui-text="Horizontal point:">
+    <_item value="l">Left</_item>
+    <_item value="m">Middle</_item>
+    <_item value="r">Right</_item>
+  </param>
+  <param name="yanchor" type="enum" _gui-text="Vertical point:">
+    <_item value="t">Top</_item>
+    <_item value="m">Middle</_item>
+    <_item value="b">Bottom</_item>
+  </param>
+  <param name="flowtext" type="boolean" _gui-text="Flow text">false</param>
+  <param name="keepstyle" type="boolean" _gui-text="Keep style">true</param>
+  <effect>
+    <object-type>all</object-type>
+    <effects-menu>
+      <submenu _name="Text"/>
+    </effects-menu>
+  </effect>
+  <script>
+    <command reldir="extensions" interpreter="python">text_merge.py</command>
+  </script>
+</inkscape-extension>
diff --git a/share/extensions/text_merge.py b/share/extensions/text_merge.py
new file mode 100644
index 000000000..8cd8b751d
--- /dev/null
+++ b/share/extensions/text_merge.py
@@ -0,0 +1,199 @@
+#!/usr/bin/env python
+"""
+Copyright (C) 2013 Nicolas Dufour (jazzynico)
+Direction code from the Restack extension, by Rob Antonishen
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+"""
+# standard library
+import chardataeffect
+import copy
+import csv
+import math
+import os
+import string
+try:
+    from subprocess import Popen, PIPE
+    bsubprocess = True
+except:
+    bsubprocess = False
+# local library
+import inkex
+
+
+class Merge(inkex.Effect):
+    def __init__(self):
+        inkex.Effect.__init__(self)
+        self.OptionParser.add_option("-d", "--direction",
+                        action="store", type="string", 
+                        dest="direction", default="tb",
+                        help="direction to merge text")
+        self.OptionParser.add_option("-x", "--xanchor",
+                        action="store", type="string", 
+                        dest="xanchor", default="m",
+                        help="horizontal point to compare")
+        self.OptionParser.add_option("-y", "--yanchor",
+                        action="store", type="string", 
+                        dest="yanchor", default="m",
+                        help="vertical point to compare")
+        self.OptionParser.add_option("-t", "--flowtext",
+                        action="store", type="inkbool", 
+                        dest="flowtext", default=False,
+                        help="use a flow text structure instead of a normal text element")
+        self.OptionParser.add_option("-k", "--keepstyle",
+                        action="store", type="inkbool", 
+                        dest="keepstyle", default=False,
+                        help="keep format")
+                        
+    def effect(self):
+        if len(self.selected)==0:
+            for node in self.document.xpath('//svg:text | //svg:flowRoot', namespaces=inkex.NSS):
+                self.selected[node.get('id')] = node
+    
+        if len( self.selected ) > 0:
+            objlist = []
+            svg = self.document.getroot()
+            parentnode = self.current_layer
+            file = self.args[ -1 ]
+
+            #get all bounding boxes in file by calling inkscape again with the --query-all command line option
+            #it returns a comma seperated list structured id,x,y,w,h
+            if bsubprocess:
+                p = Popen('inkscape --query-all "%s"' % (file), shell=True, stdout=PIPE, stderr=PIPE)
+                err = p.stderr
+                f = p.communicate()[0]
+                try:
+                    reader=csv.CSVParser().parse_string(f)    #there was a module cvs.py in earlier inkscape that behaved differently
+                except:
+                    reader=csv.reader(f.split( os.linesep ))
+                err.close() 
+            else:
+                _,f,err = os.popen3('inkscape --query-all "%s"' % ( file ) )
+                reader=csv.reader( f )
+                err.close()
+
+            #build a dictionary with id as the key
+            dimen = dict()
+            for line in reader:
+                if len(line) > 0:
+                    dimen[line[0]] = map( float, line[1:])
+
+            if not bsubprocess: #close file if opened using os.popen3
+                f.close
+
+            #find the center of all selected objects **Not the average!
+            x,y,w,h = dimen[self.selected.keys()[0]]
+            minx = x
+            miny = y
+            maxx = x + w
+            maxy = y + h
+
+            for id, node in self.selected.iteritems():
+                # get the bounding box
+                x,y,w,h = dimen[id]
+                if x < minx:
+                    minx = x
+                if (x + w) > maxx:
+                    maxx = x + w
+                if y < miny:
+                    miny = y
+                if (y + h) > maxy:
+                    maxy = y + h
+
+            midx = (minx + maxx) / 2
+            midy = (miny + maxy) / 2
+
+            #calculate distances for each selected object
+            for id, node in self.selected.iteritems():
+                # get the bounding box
+                x,y,w,h = dimen[id]
+
+                # calc the comparison coords
+                if self.options.xanchor == "l":
+                    cx = x
+                elif self.options.xanchor == "r":
+                    cx = x + w
+                else:  # middle
+                    cx = x + w / 2
+
+                if self.options.yanchor == "t":
+                    cy = y
+                elif self.options.yanchor == "b":
+                    cy = y + h
+                else:  # middle
+                    cy = y + h / 2
+
+                #direction chosen
+                if self.options.direction == "tb":
+                    objlist.append([cy,id])
+                elif self.options.direction == "bt":
+                    objlist.append([-cy,id])
+                elif self.options.direction == "lr":
+                    objlist.append([cx,id])
+                elif self.options.direction == "rl":
+                    objlist.append([-cx,id])
+
+            objlist.sort()
+            #move them to the top of the object stack in this order.
+            
+            if self.options.flowtext:
+                self.text_element = "flowRoot"
+                self.text_span = "flowPara"
+            else:
+                self.text_element = "text"
+                self.text_span = "tspan"
+                
+            self.textRoot=inkex.etree.SubElement(parentnode,inkex.addNS(self.text_element,'svg'),{inkex.addNS('space','xml'):'preserve'})
+            self.textRoot.set(inkex.addNS('style', ''), 'font-size:20px;font-style:normal;font-weight:normal;line-height:125%;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;')
+
+            for item in objlist:
+                self.recurse(self.selected[item[1]], self.textRoot)
+                
+            if self.options.flowtext:
+                self.region=inkex.etree.SubElement(self.textRoot,inkex.addNS('flowRegion','svg'),{inkex.addNS('space','xml'):'preserve'})
+                self.rect=inkex.etree.SubElement(self.region,inkex.addNS('rect','svg'),{inkex.addNS('space','xml'):'preserve'})
+                self.rect.set(inkex.addNS('height', ''), '200')
+                self.rect.set(inkex.addNS('width', ''), '200')
+    
+    def recurse(self, node, span):
+        #istext = (node.tag == '{http://www.w3.org/2000/svg}flowPara' or node.tag == '{http://www.w3.org/2000/svg}flowDiv' or node.tag == '{http://www.w3.org/2000/svg}tspan')
+        if node.tag != '{http://www.w3.org/2000/svg}flowRegion':
+
+            newspan=inkex.etree.SubElement(span,inkex.addNS(self.text_span,'svg'),{inkex.addNS('space','xml'):'preserve'})
+
+            if node.get('{http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd}role'):
+                newspan.set(inkex.addNS('role', 'sodipodi'), node.get('{http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd}role'))
+            if (node.tag == '{http://www.w3.org/2000/svg}text' or node.tag == '{http://www.w3.org/2000/svg}flowPara'):
+                newspan.set(inkex.addNS('role', 'sodipodi'), 'line')
+
+            if self.options.keepstyle:
+                if node.get('style'):
+                    newspan.set(inkex.addNS('style', ''), node.get('style'))
+
+            if node.text != None:
+                newspan.text = node.text
+            for child in node:
+                self.recurse(child, newspan)
+
+if __name__ == '__main__':
+    e = Merge()
+    e.affect()
+
+# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 encoding=utf-8 textwidth=99