Added code to convert colors to #RRGGBB format
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JSCHILL1
parent
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commit
a7d2593a58
4 changed files with 250 additions and 18 deletions
238
scour.py
238
scour.py
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@ -30,9 +30,6 @@
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# * Specify a limit to the precision of all positional elements.
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# * Clean up Definitions
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# * Collapse duplicate gradient definitions
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# * Clean up CSS
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# * Convert RGB colours from RGB(r,g,b) to #RRGGBB format
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# * Convert RGB colours from #RRGGBB to #RGB if possible
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# * Clean up paths
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# * Eliminate last segment in a polygon
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# * Collapse straight curves.
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@ -46,10 +43,10 @@
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# Next Up:
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# + Up-revved enthought's path parser for integer coords with sci notation:
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# https://svn.enthought.com/enthought/changeset/23583?format=diff&new=23583
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# + Convert rgb() into #RRGGBB
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# + Convert #RRGGBB into #RGB where possible
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# - prevent elements from being stripped if they are referenced in a <style> element
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# (for instance, filter, marker, pattern) - need a crude CSS parser
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# - Convert all colors to #RRGGBB format
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# - Reduce #RRGGBB format to #RGB format when possible
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# - Remove any unused glyphs from font elements?
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# necessary to get true division
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@ -125,7 +122,156 @@ svgAttributes = [
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'visibility'
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]
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colors = {
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'aliceblue': 'rgb(240, 248, 255)',
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'antiquewhite': 'rgb(250, 235, 215)',
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'aqua': 'rgb( 0, 255, 255)',
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'aquamarine': 'rgb(127, 255, 212)',
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'azure': 'rgb(240, 255, 255)',
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'beige': 'rgb(245, 245, 220)',
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'bisque': 'rgb(255, 228, 196)',
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'black': 'rgb( 0, 0, 0)',
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'blanchedalmond': 'rgb(255, 235, 205)',
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'blue': 'rgb( 0, 0, 255)',
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'blueviolet': 'rgb(138, 43, 226)',
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'brown': 'rgb(165, 42, 42)',
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'burlywood': 'rgb(222, 184, 135)',
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'cadetblue': 'rgb( 95, 158, 160)',
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'chartreuse': 'rgb(127, 255, 0)',
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'chocolate': 'rgb(210, 105, 30)',
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'coral': 'rgb(255, 127, 80)',
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'cornflowerblue': 'rgb(100, 149, 237)',
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'cornsilk': 'rgb(255, 248, 220)',
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'crimson': 'rgb(220, 20, 60)',
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'cyan': 'rgb( 0, 255, 255)',
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'darkblue': 'rgb( 0, 0, 139)',
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'darkcyan': 'rgb( 0, 139, 139)',
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'darkgoldenrod': 'rgb(184, 134, 11)',
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'darkgray': 'rgb(169, 169, 169)',
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'darkgreen': 'rgb( 0, 100, 0)',
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'darkgrey': 'rgb(169, 169, 169)',
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'darkkhaki': 'rgb(189, 183, 107)',
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'darkmagenta': 'rgb(139, 0, 139)',
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'darkolivegreen': 'rgb( 85, 107, 47)',
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'darkorange': 'rgb(255, 140, 0)',
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'darkorchid': 'rgb(153, 50, 204)',
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'darkred': 'rgb(139, 0, 0)',
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'darksalmon': 'rgb(233, 150, 122)',
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'darkseagreen': 'rgb(143, 188, 143)',
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'darkslateblue': 'rgb( 72, 61, 139)',
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'darkslategray': 'rgb( 47, 79, 79)',
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'darkslategrey': 'rgb( 47, 79, 79)',
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'darkturquoise': 'rgb( 0, 206, 209)',
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'darkviolet': 'rgb(148, 0, 211)',
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'deeppink': 'rgb(255, 20, 147)',
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'deepskyblue': 'rgb( 0, 191, 255)',
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'dimgray': 'rgb(105, 105, 105)',
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'dimgrey': 'rgb(105, 105, 105)',
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'dodgerblue': 'rgb( 30, 144, 255)',
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'firebrick': 'rgb(178, 34, 34)',
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'floralwhite': 'rgb(255, 250, 240)',
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'forestgreen': 'rgb( 34, 139, 34)',
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'fuchsia': 'rgb(255, 0, 255)',
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'gainsboro': 'rgb(220, 220, 220)',
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'ghostwhite': 'rgb(248, 248, 255)',
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'gold': 'rgb(255, 215, 0)',
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'goldenrod': 'rgb(218, 165, 32)',
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'gray': 'rgb(128, 128, 128)',
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'grey': 'rgb(128, 128, 128)',
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'green': 'rgb( 0, 128, 0)',
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'greenyellow': 'rgb(173, 255, 47)',
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'honeydew': 'rgb(240, 255, 240)',
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'hotpink': 'rgb(255, 105, 180)',
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'indianred': 'rgb(205, 92, 92)',
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'indigo': 'rgb( 75, 0, 130)',
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'ivory': 'rgb(255, 255, 240)',
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'khaki': 'rgb(240, 230, 140)',
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'lavender': 'rgb(230, 230, 250)',
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'lavenderblush': 'rgb(255, 240, 245)',
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'lawngreen': 'rgb(124, 252, 0)',
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'lemonchiffon': 'rgb(255, 250, 205)',
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'lightblue': 'rgb(173, 216, 230)',
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'lightcoral': 'rgb(240, 128, 128)',
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'lightcyan': 'rgb(224, 255, 255)',
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'lightgoldenrodyellow': 'rgb(250, 250, 210)',
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'lightgray': 'rgb(211, 211, 211)',
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'lightgreen': 'rgb(144, 238, 144)',
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'lightgrey': 'rgb(211, 211, 211)',
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'lightpink': 'rgb(255, 182, 193)',
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'lightsalmon': 'rgb(255, 160, 122)',
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'lightseagreen': 'rgb( 32, 178, 170)',
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'lightskyblue': 'rgb(135, 206, 250)',
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'lightslategray': 'rgb(119, 136, 153)',
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'lightslategrey': 'rgb(119, 136, 153)',
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'lightsteelblue': 'rgb(176, 196, 222)',
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'lightyellow': 'rgb(255, 255, 224)',
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'lime': 'rgb( 0, 255, 0)',
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'limegreen': 'rgb( 50, 205, 50)',
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'linen': 'rgb(250, 240, 230)',
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'magenta': 'rgb(255, 0, 255)',
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'maroon': 'rgb(128, 0, 0)',
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'mediumaquamarine': 'rgb(102, 205, 170)',
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'mediumblue': 'rgb( 0, 0, 205)',
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'mediumorchid': 'rgb(186, 85, 211)',
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'mediumpurple': 'rgb(147, 112, 219)',
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'mediumseagreen': 'rgb( 60, 179, 113)',
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'mediumslateblue': 'rgb(123, 104, 238)',
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'mediumspringgreen': 'rgb( 0, 250, 154)',
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'mediumturquoise': 'rgb( 72, 209, 204)',
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'mediumvioletred': 'rgb(199, 21, 133)',
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'midnightblue': 'rgb( 25, 25, 112)',
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'mintcream': 'rgb(245, 255, 250)',
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'mistyrose': 'rgb(255, 228, 225)',
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'moccasin': 'rgb(255, 228, 181)',
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'navajowhite': 'rgb(255, 222, 173)',
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'navy': 'rgb( 0, 0, 128)',
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'oldlace': 'rgb(253, 245, 230)',
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'olive': 'rgb(128, 128, 0)',
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'olivedrab': 'rgb(107, 142, 35)',
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'orange': 'rgb(255, 165, 0)',
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'orangered': 'rgb(255, 69, 0)',
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'orchid': 'rgb(218, 112, 214)',
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'palegoldenrod': 'rgb(238, 232, 170)',
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'palegreen': 'rgb(152, 251, 152)',
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'paleturquoise': 'rgb(175, 238, 238)',
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'palevioletred': 'rgb(219, 112, 147)',
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'papayawhip': 'rgb(255, 239, 213)',
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'peachpuff': 'rgb(255, 218, 185)',
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'peru': 'rgb(205, 133, 63)',
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'pink': 'rgb(255, 192, 203)',
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'plum': 'rgb(221, 160, 221)',
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'powderblue': 'rgb(176, 224, 230)',
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'purple': 'rgb(128, 0, 128)',
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'red': 'rgb(255, 0, 0)',
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'rosybrown': 'rgb(188, 143, 143)',
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'royalblue': 'rgb( 65, 105, 225)',
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'saddlebrown': 'rgb(139, 69, 19)',
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'salmon': 'rgb(250, 128, 114)',
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'sandybrown': 'rgb(244, 164, 96)',
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'seagreen': 'rgb( 46, 139, 87)',
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'seashell': 'rgb(255, 245, 238)',
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'sienna': 'rgb(160, 82, 45)',
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'silver': 'rgb(192, 192, 192)',
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'skyblue': 'rgb(135, 206, 235)',
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'slateblue': 'rgb(106, 90, 205)',
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'slategray': 'rgb(112, 128, 144)',
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'slategrey': 'rgb(112, 128, 144)',
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'snow': 'rgb(255, 250, 250)',
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'springgreen': 'rgb( 0, 255, 127)',
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'steelblue': 'rgb( 70, 130, 180)',
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'tan': 'rgb(210, 180, 140)',
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'teal': 'rgb( 0, 128, 128)',
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'thistle': 'rgb(216, 191, 216)',
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'tomato': 'rgb(255, 99, 71)',
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'turquoise': 'rgb( 64, 224, 208)',
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'violet': 'rgb(238, 130, 238)',
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'wheat': 'rgb(245, 222, 179)',
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'white': 'rgb(255, 255, 255)',
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'whitesmoke': 'rgb(245, 245, 245)',
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'yellow': 'rgb(255, 255, 0)',
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'yellowgreen': 'rgb(154, 205, 50)',
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}
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coord = re.compile("\\-?\\d+\\.?\\d*")
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scinumber = re.compile("[\\-\\+]?(\\d*\\.?)?\\d+[eE][\\-\\+]?\\d+")
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number = re.compile("[\\-\\+]?(\\d*\\.?)?\\d+")
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@ -281,6 +427,7 @@ numAttrsRemoved = 0
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numRastersEmbedded = 0
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numPathSegmentsReduced = 0
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numBytesSavedInPathData = 0
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numBytesSavedInColors = 0
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# removes all unreferenced elements except for <svg>, <font>, <metadata>, <title>, and <desc>
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# also vacuums the defs of any non-referenced renderable elements
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@ -643,12 +790,78 @@ def repairStyle(node, options):
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node.setAttribute('style', fixedStyle)
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else:
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node.removeAttribute('style')
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# recurse for our child elements
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for child in node.childNodes :
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num += repairStyle(child,options)
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return num
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# convert blue to rgb(r,g,b)
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# convert rgb(r%,g%,b%) to rgb(r,g,b)
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# convert rgb(r,g,b) to #RRGGBB
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# finally convert #RRGGBB to #RGB if possible
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rgb = re.compile("\\s*rgb\\(\\s*(\\d+)\\s*\\,\\s*(\\d+)\\s*\\,\\s*(\\d+)\\s*\\)\\s*")
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rgbp = re.compile("\\s*rgb\\(\\s*(\\d*\\.?\\d+)\\%\\s*\\,\\s*(\\d*\\.?\\d+)\\%\\s*\\,\\s*(\\d*\\.?\\d+)\\%\\s*\\)\\s*")
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def convertColor(value):
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s = value
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if s in colors.keys():
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s = colors[s]
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rgbpMatch = rgbp.match(s)
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if rgbpMatch != None :
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r = int( string.atof( rgbpMatch.group(1) ) * 255.0 / 100.0 )
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g = int( string.atof( rgbpMatch.group(2) ) * 255.0 / 100.0 )
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b = int( string.atof( rgbpMatch.group(3) ) * 255.0 / 100.0 )
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s = 'rgb(%d,%d,%d)' % (r,g,b)
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rgbMatch = rgb.match(s)
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if rgbMatch != None :
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r = hex( int( rgbMatch.group(1) ) )[2:].upper()
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g = hex( int( rgbMatch.group(2) ) )[2:].upper()
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b = hex( int( rgbMatch.group(3) ) )[2:].upper()
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if len(r) == 1: r='0'+r
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if len(g) == 1: g='0'+g
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if len(b) == 1: b='0'+b
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s = '#'+r+g+b
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if s[0] == '#' and s[1]==s[2] and s[3]==s[4] and s[5]==s[6]:
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s = s.upper()
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s = '#'+s[1]+s[3]+s[5]
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return s
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def convertColors(element) :
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numBytes = 0
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if element.nodeType != 1: return 0
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# set up list of color attributes for each element type
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attrsToConvert = []
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if element.nodeName in ['rect', 'circle', 'ellipse', 'polygon', \
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'line', 'polyline', 'path', 'g', 'a']:
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attrsToConvert = ['fill', 'stroke']
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elif element.nodeName in ['stop']:
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attrsToConvert = ['stop-color']
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elif element.nodeName in ['solidColor']:
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attrsToConvert = ['solid-color']
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# now convert all the color formats
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for attr in attrsToConvert:
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val = element.getAttribute(attr)
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oldBytes = len(val)
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if val != '':
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element.setAttribute(attr, convertColor(val))
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numBytes += (oldBytes - len(element.getAttribute(attr)))
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# now recurse for our child elements
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for child in element.childNodes :
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numBytes += convertColors(child)
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return numBytes
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def cleanPath(element) :
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global numBytesSavedInPathData
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global numPathSegmentsReduced
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@ -981,6 +1194,7 @@ def scourString(in_string, options=[]):
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global numAttrsRemoved
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global numStylePropsFixed
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global numElemsRemoved
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global numBytesSavedInColors
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doc = xml.dom.minidom.parseString(in_string)
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# for whatever reason this does not always remove all inkscape/sodipodi attributes/elements
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@ -1005,8 +1219,9 @@ def scourString(in_string, options=[]):
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# repair style (remove unnecessary style properties and change them into XML attributes)
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numStylePropsFixed = repairStyle(doc.documentElement, options)
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# TODO: change color properties to #RRGGBB format
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# TODO: change color properties to #RGB where possible
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# convert colors to #RRGGBB format
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if not '--disable-simplify-colors' in options:
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numBytesSavedInColors = convertColors(doc.documentElement)
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# remove empty defs, metadata, g
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# NOTE: these elements will be removed even if they have (invalid) text nodes
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@ -1098,6 +1313,7 @@ def printSyntaxAndQuit():
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print 'If the output file is not specified, stdout is used.'
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print 'If an option is not available below that means it occurs automatically'
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print 'when scour is invoked. Available OPTIONS:\n'
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print ' --disable-simplify-colors : Scour will not convert all colors to #RRGGBB format'
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print ' --disable-style-to-xml : Scour will not convert style properties into XML attributes'
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print ' --disable-group-collapsing : Scour will not collapse <g> elements'
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print ' --enable-id-stripping : Scour will remove all un-referenced ID attributes'
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@ -1116,6 +1332,7 @@ def parseCLA():
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output = sys.stdout
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options = []
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validOptions = [
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'--disable-simplify-colors',
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'--disable-style-to-xml',
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'--disable-group-collapsing',
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'--enable-id-stripping',
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@ -1191,7 +1408,10 @@ if __name__ == '__main__':
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print ' Number of raster images embedded inline:', numRastersEmbedded
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print ' Number of path segments reduced/removed:', numPathSegmentsReduced
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print ' Number of bytes saved in path data:', numBytesSavedInPathData
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print ' Number of bytes saved in colors:', numBytesSavedInColors
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oldsize = os.path.getsize(inputfilename)
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newsize = os.path.getsize(outputfilename)
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sizediff = (newsize / oldsize);
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print ' Original file size:', oldsize, 'bytes; new file size:', newsize, 'bytes (' + str(sizediff)[:5] + 'x)'
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