Mercurial > MadButterfly
changeset 62:7d976d925431
Generate C header files for SVG files.
| author | Thinker K.F. Li <thinker@branda.to> |
|---|---|
| date | Tue, 12 Aug 2008 08:48:16 +0800 |
| parents | db5f203d7c19 |
| children | f4b792afa74e |
| files | tools/mb_c_header.m4 tools/svg2code.py |
| diffstat | 2 files changed, 254 insertions(+), 0 deletions(-) [+] |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/mb_c_header.m4 Tue Aug 12 08:48:16 2008 +0800 @@ -0,0 +1,32 @@ +changequote(`[', `]')dnl +define([ADD_LINEAR_PAINT],[[ paint_t *$1; +]])dnl +define([ADD_RADIAL_PAINT],[[ paint_t *$1; +]])dnl +define([ADD_PATH],[[ shape_t *$1; +]])dnl +define([ADD_RECT],[[ shape_t *$1; +]])dnl +define([ADD_COORD],[[ coord_t *$1; +]])dnl +dnl +define([REF_STOPS],)dnl +define([ADD_STOP],)dnl +define([FILL_SHAPE],)dnl +define([STROKE_SHAPE],)dnl +define([FILL_SHAPE_WITH_PAINT],)dnl +define([STROKE_SHAPE_WITH_PAINT],)dnl +dnl +define([MADBUTTERFLY],[dnl +[#ifndef __$1_H_ +#define __$1_H_] + +[typedef struct $1 $1_t;] + +struct [$1] { +$2dnl +}; + +[#endif /* __$1_H_ */] +])dnl +dnl \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tools/svg2code.py Tue Aug 12 08:48:16 2008 +0800 @@ -0,0 +1,222 @@ +#! /usr/bin/env python +from xml.dom.minidom import parse +import sys + +svgns='http://www.w3.org/2000/svg' +xlinkns='http://www.w3.org/1999/xlink' + +def translate_stops(parent, codefo, parent_id): + for node in parent.childNodes: + if node.localName == 'stop' and node.namespaceURI == svgns: + style = node.getAttribute('style') + style_props = [prop.strip() for prop in style.split(';') + if prop.strip()] + style_kvpairs = [prop.split(':') for prop in style_props] + style_kvpairs = [(prop[0].strip(), prop[1].strip()) + for prop in style_kvpairs] + style_map = dict(style_kvpairs) + + color = style_map['stop-color'].strip() + if len(color) == 7 and color[0] == '#': + r = float(int(color[1:3], 16)) / 255.0 + g = float(int(color[3:5], 16)) / 255.0 + b = float(int(color[5:7], 16)) / 255.0 + else: + raise ValueError, '\'%s\' is invalid color value.' % (color) + + opacity = style_map['stop-opacity'] + offset = node.getAttribute('offset') + print >> codefo, 'ADD_STOP([%s], [%f, %f, %f, %f], [%f])dnl' % ( + parent_id, r, g, b, float(opacity), float(offset)) + pass + pass + pass + +def translate_linearGradient(linear, codefo, doc): + linear_id = linear.getAttribute('id') + if linear.hasAttribute('x1'): + x1 = float(linear.getAttribute('x1')) + y1 = float(linear.getAttribute('y1')) + x2 = float(linear.getAttribute('x2')) + y2 = float(linear.getAttribute('y2')) + else: + x1 = y1 = x2 = y2 = 0 + pass + print >> codefo, 'ADD_LINEAR_PAINT([%s], [%f, %f, %f, %f])dnl' % ( + linear_id, x1, y1, x2, y2) + translate_stops(linear, codefo, linear_id) + + href = linear.getAttributeNS(xlinkns, 'href').strip() + if href and href[0] == '#': + print >> codefo, 'REF_STOPS([%s], [%s])dnl' % (linear_id, href[1:]) + pass + pass + +def translate_radialGradient(radial, codefo, doc): + radial_id = radial.getAttribute('id') + try: + cx = float(radial.getAttribute('cx')) + cy = float(radial.getAttribute('cy')) + except: + cx = cy = 0 + pass + try: + r = float(radial.getAttribute('r')) + except: + r = 0.5 + pass + print >> codefo, 'ADD_RADIAL_PAINT([%s], [%f, %f], %f)dnl' % ( + radial_id, cx, cy, r) + translate_stops(radial, codefo, radial_id) + + href = radial.getAttributeNS(xlinkns, 'href').strip() + if href[0] == '#': + print >> codefo, 'REF_STOPS([%s], [%s])dnl' % (radial_id, href[1:]) + pass + pass + +def translate_defs(defs, codefo, doc): + for node in defs.childNodes: + if node.namespaceURI != svgns: + continue + if node.localName == 'linearGradient': + translate_linearGradient(node, codefo, doc) + pass + elif node.localName == 'radialGradient': + translate_radialGradient(node, codefo, doc) + pass + pass + pass + +def trans_color(code): + return int(code[1:3], 16) / 255.0, \ + int(code[3:5], 16) / 255.0, \ + int(code[5:7], 16) / 255.0 + +def translate_style(node, coord_id, codefo, doc): + node_id = node.getAttribute('id') + style_str = node.getAttribute('style') + prop_strs = [s.strip() for s in style_str.split(';')] + prop_kvs = [s.split(':') for s in prop_strs if s] + prop_kvs = [(k.strip(), v.strip()) for k, v in prop_kvs] + prop_map = dict(prop_kvs) + + try: + opacity = float(node.getAttribute('opacity')) + except: + opacity = 1.0 + pass + + if prop_map.has_key('fill'): + fill = prop_map['fill'].strip() + if fill.startswith('#') and len(fill) == 7: + r, g, b = trans_color(fill) + print >> codefo, 'FILL_SHAPE([%s], %f, %f, %f, %f)dnl' % ( + node_id, r, g, b, opacity) + elif fill.startswith('url(') and fill.endswith(')'): + paint_id = fill[5:-1] + print >> codefo, 'FILL_SHAPE_WITH_PAINT([%s], [%s])dnl' % ( + node_id, paint_id) + else: + raise ValueError, '\'%s\' is an invalid value for fill.' % (fill) + pass + + try: + stroke_opacity = float(node.getAttribute('stroke-opacity')) + except: + stroke_opacity = 1.0 + pass + + if prop_map.has_key('stroke'): + stroke = prop_map['stroke'].strip() + if stroke.startswith('#') and len(stroke) == 7: + r, g, b = trans_color(stroke) + print >> codefo, 'STROKE_SHAPE([%s], %f, %f, %f, %f)dnl' % ( + node_id, r, g, b, stroke_opacity) + elif stroke.startswith('url(') and stroke.endswith(')'): + paint_id = stroke[5:-1] + print >> codefo, 'STROKE_SHAPE_WITH_PAINT([%s], [%s])dnl' % ( + node_id, paint_id) + else: + raise ValueError, '\'%s\' is an invalid value for stroke.' \ + % (stroke) + pass + pass + +def translate_path(path, coord_id, codefo, doc): + path_id = path.getAttribute('id') + d = path.getAttribute('d') + print >> codefo, 'dnl' + print >> codefo, 'ADD_PATH([%s], [%s], [%s])dnl' % (path_id, d, coord_id) + translate_style(path, coord_id, codefo, doc) + pass + +def translate_rect(rect, coord_id, codefo, doc): + rect_id = rect.getAttribute('id') + x = float(rect.getAttribute('x')) + y = float(rect.getAttribute('y')) + width = float(rect.getAttribute('width')) + height = float(rect.getAttribute('height')) + print >> codefo, 'dnl' + print >> codefo, 'ADD_RECT([%s], %f, %f, %f, %f, [%s])dnl' % ( + rect_id, x, y, width, height, coord_id) + translate_style(rect, coord_id, codefo, doc) + pass + +def translate_group(group, parent_id, codefo, doc): + group_id = group.getAttribute('id') + print >> codefo, 'dnl' + print >> codefo, 'ADD_COORD([%s], [%s])dnl' % (group_id, parent_id) + for node in group.childNodes: + if node.namespaceURI != svgns: + continue + if node.localName == 'g': + translate_group(node, group_id, codefo, doc) + elif node.localName == 'path': + translate_path(node, group_id, codefo, doc) + elif node.localName == 'rect': + translate_rect(node, group_id, codefo, doc) + pass + pass + pass + +def svg_2_code(dom, codefo): + for node in dom.childNodes: + if node.localName == 'svg' and node.namespaceURI == svgns: + break; + pass + else: + raise ValueErr, 'no any svg tag node.' + + svg = node + for node in svg.childNodes: + if node.localName == 'defs' and node.namespaceURI == svgns: + translate_defs(node, codefo, dom) + pass + elif node.localName == 'g' and node.namespaceURI == svgns: + translate_group(node, 'root_coord', codefo, dom) + pass + pass + pass + +if __name__ == '__main__': + from os import path + if len(sys.argv) == 3: + svgfn = sys.argv[1] + codefn = sys.argv[2] + elif len(sys.argv) == 2: + svgfn = sys.argv[1] + codefn = 'out.mb' + else: + print >> sys.stderr, '%s <SVG file> [<output>]' % (sys.argv[0]) + pass + + struct_name = path.basename(svgfn).split('.')[0] + + dom = parse(svgfn) + codefo = file(codefn, 'w+') + print >> codefo, 'MADBUTTERFLY([%s],[dnl' % (struct_name) + svg_2_code(dom, codefo) + print >> codefo, '])dnl' + pass +