Mercurial > MadButterfly
changeset 1393:2d56ed5b0995
Add exporter for export svg with bbox information.
All children of svg:g node are attributed with bbox information. It
means all graphic nodes, except top most svg:g nodes, are wroute out
with bbox information.
| author | Thinker K.F. Li <thinker@codemud.net> |
|---|---|
| date | Wed, 30 Mar 2011 13:42:30 +0800 |
| parents | cd5fb45bc247 |
| children | 4a786de1d62f |
| files | pyink/extensions.py pyink/mbbbox.py |
| diffstat | 2 files changed, 133 insertions(+), 2 deletions(-) [+] |
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line diff
--- a/pyink/extensions.py Sun Mar 27 08:27:03 2011 +0800 +++ b/pyink/extensions.py Wed Mar 30 13:42:30 2011 +0800 @@ -1,7 +1,7 @@ import pybExtension -import html5css3 +import html5css3, mbbbox -_all_extensions = [html5css3.extension] +_all_extensions = [html5css3.extension, mbbbox.extension] _DEBUG_FLAG_NAME = 'PYINK_EXT_DBG_ENABLE'
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/pyink/mbbbox.py Wed Mar 30 13:42:30 2011 +0800 @@ -0,0 +1,131 @@ +import pybExtension + +def _print_subtree(node, lvl, out): + def _print_level(txt, lvl, out): + indent = ' ' * lvl + print >> out, '%s%s' % (indent, txt) + pass + + def _print_node_open(node, lvl, out): + node_name = node.name() + + attrs = [] + for attrname in node.allAttributes(): + attrvalue = node.getAttribute(attrname) + attr = '%s="%s"' % (attrname, attrvalue) + attrs.append(attr) + pass + + parent_node = node.parent() + if parent_node: + parent_name = parent_node.name() + if parent_name == 'svg:g': + bbox = node.getBBox() + attr = 'inkscape:bbox-x="%f"' % (bbox[0]) + attrs.append(attr) + bbox = node.getBBox() + attr = 'inkscape:bbox-y="%f"' % (bbox[1]) + attrs.append(attr) + bbox = node.getBBox() + attr = 'inkscape:bbox-width="%f"' % (bbox[2]) + attrs.append(attr) + bbox = node.getBBox() + attr = 'inkscape:bbox-height="%f"' % (bbox[3]) + attrs.append(attr) + pass + pass + + if attrs: + attrs_str = ' '.join(attrs) + line = '<%s %s>' % (node_name, attrs_str) + else: + line = '<%s>' % (node_name) + pass + _print_level(line, lvl, out) + pass + + def _print_node_close(node, lvl, out): + node_name = node.name() + + line = '</%s>' % (node_name) + _print_level(line, lvl, out) + pass + + def _print_node_single(node, lvl, out): + node_name = node.name() + + attrs = [] + for attrname in node.allAttributes(): + attrvalue = node.getAttribute(attrname) + attr = '%s="%s"' % (attrname, attrvalue) + attrs.append(attr) + pass + + parent_node = node.parent() + if parent_node: + parent_name = parent_node.name() + if parent_name == 'svg:g': + bbox = node.getBBox() + attr = 'inkscape:bbox-x="%f"' % (bbox[0]) + attrs.append(attr) + bbox = node.getBBox() + attr = 'inkscape:bbox-y="%f"' % (bbox[1]) + attrs.append(attr) + bbox = node.getBBox() + attr = 'inkscape:bbox-width="%f"' % (bbox[2]) + attrs.append(attr) + bbox = node.getBBox() + attr = 'inkscape:bbox-height="%f"' % (bbox[3]) + attrs.append(attr) + pass + pass + + if attrs: + attrs_str = ' '.join(attrs) + line = '<%s %s/>' % (node_name, attrs_str) + else: + line = '<%s/>' % (node_name) + pass + _print_level(line, lvl, out) + pass + + def _print_node_content(node, lvl, out): + line = node.content() + _print_level(line, lvl, out) + pass + + children = node.childList() + if not children: + if node.name() != 'string': + _print_node_single(node, lvl, out) + else: + _print_node_content(node, lvl, out) + pass + return + + _print_node_open(node, lvl, out) + for child in children: + _print_subtree(child, lvl + 1, out) + pass + _print_node_close(node, lvl, out) + pass + +class mbbbox_ext(pybExtension.PYBindExtImp): + def save(self, module, doc, filename): + out = file(filename, 'w+') + + root = doc.rdoc.root() + _print_subtree(root, 0, out) + + out.close() + pass + pass + + +extension = (mbbbox_ext(), + 'net.scribboo.mbbbox', + 'SVG with BBox exporter', + 'output', + {'extension': '.svg', + 'mimetype': 'image/svg+xml', + '_filetypename': 'SVG+BBox (*.svg)'})