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1 : : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : : /*
3 : : * Version: MPL 1.1 / GPLv3+ / LGPLv3+
4 : : *
5 : : * The contents of this file are subject to the Mozilla Public License Version
6 : : * 1.1 (the "License"); you may not use this file except in compliance with
7 : : * the License. You may obtain a copy of the License at
8 : : * http://www.mozilla.org/MPL/
9 : : *
10 : : * Software distributed under the License is distributed on an "AS IS" basis,
11 : : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 : : * for the specific language governing rights and limitations under the
13 : : * License.
14 : : *
15 : : * The Initial Developer of the Original Code is
16 : : * Jan Holesovsky <kendy@suse.cz>
17 : : * Fridrich Strba <fridrich.strba@bluewin.ch>
18 : : * Thorsten Behrens <tbehrens@novell.com>
19 : : *
20 : : * Contributor(s):
21 : : *
22 : : * Alternatively, the contents of this file may be used under the terms of
23 : : * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
24 : : * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
25 : : * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
26 : : * instead of those above.
27 : : */
28 : :
29 : : #include "units.hxx"
30 : : #include <basegfx/range/b2drange.hxx>
31 : : #include "gfxtypes.hxx"
32 : : #include <rtl/ustring.hxx>
33 : : #include <boost/spirit/include/classic.hpp>
34 : :
35 : : namespace svgi
36 : : {
37 : :
38 : 0 : double convLength( double value, SvgUnit unit, const State& rState, char dir )
39 : : {
40 : : // convert svg unit to internal coordinates ("pixel"). Since the
41 : : // OOo drawing layer is still largely integer-based, the initial
42 : : // viewport transformation includes a certain scale factor
43 : 0 : double fRet(value);
44 [ # # # # : 0 : switch ( unit )
# # # #
# ]
45 : : {
46 : 0 : case SVG_LENGTH_UNIT_CM: fRet *= 72.0/2.54; break;
47 : 0 : case SVG_LENGTH_UNIT_IN: fRet *= 72.0; break;
48 : 0 : case SVG_LENGTH_UNIT_MM: fRet *= 72.0/25.4; break;
49 : 0 : case SVG_LENGTH_UNIT_PC: fRet *= 72.0/6.0; break;
50 : : case SVG_LENGTH_UNIT_USER:
51 : : case SVG_LENGTH_UNIT_PX: // no unit defaults to PX in svg,
52 : : // assume display to have 72DPI
53 : 0 : case SVG_LENGTH_UNIT_PT: break;
54 : 0 : case SVG_LENGTH_UNIT_EM: fRet *= rState.mnFontSize; break;
55 : 0 : case SVG_LENGTH_UNIT_EX: fRet *= rState.mnFontSize / 2.0; break;
56 : : case SVG_LENGTH_UNIT_PERCENTAGE:
57 : : {
58 : : double fBoxLen;
59 [ # # ]: 0 : if (rState.maViewBox.isEmpty())
60 : : {
61 : : basegfx::B2DRange aDefaultBox(0, 0,
62 : : convLength(210, SVG_LENGTH_UNIT_MM, rState, 'h'),
63 [ # # ][ # # ]: 0 : convLength(297, SVG_LENGTH_UNIT_MM, rState, 'v'));
[ # # ]
64 : : fBoxLen = (dir=='h' ? aDefaultBox.getWidth() :
65 : : (dir=='v' ? aDefaultBox.getHeight() :
66 [ # # ][ # # ]: 0 : aDefaultBox.getRange().getLength()));
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ][ # # ]
67 : : }
68 : : else
69 : : {
70 : 0 : fBoxLen = (dir=='h' ? rState.maViewBox.getWidth() :
71 : 0 : (dir=='v' ? rState.maViewBox.getHeight() :
72 [ # # ][ # # ]: 0 : rState.maViewBox.getRange().getLength()));
[ # # ][ # # ]
[ # # ][ # # ]
[ # # ][ # # ]
73 : : }
74 : :
75 : 0 : fRet *= fBoxLen/100.0;
76 : : }
77 : 0 : break;
78 : 0 : default: OSL_TRACE( "Unknown length type" ); break;
79 : : }
80 : :
81 : 0 : return fRet;
82 : : }
83 : :
84 : 0 : double convLength( const rtl::OUString& sValue, const State& rState, char dir )
85 : : {
86 : : //FIXME: convert deprecated spirit::classic to use spirit::qi
87 : : using namespace ::boost::spirit::classic;
88 : :
89 : : rtl::OString aUTF8 = rtl::OUStringToOString( sValue,
90 [ # # ]: 0 : RTL_TEXTENCODING_UTF8 );
91 : :
92 : 0 : double nVal=0.0;
93 : 0 : SvgUnit eUnit=SVG_LENGTH_UNIT_PX;
94 : : const bool bRes = parse(aUTF8.getStr(),
95 : : // Begin grammar
96 : : (
97 [ # # ]: 0 : real_p[assign_a(nVal)]
98 [ # # ][ # # ]: 0 : >> ( str_p("cm") [assign_a(eUnit,SVG_LENGTH_UNIT_CM)]
99 [ # # ][ # # ]: 0 : | str_p("em") [assign_a(eUnit,SVG_LENGTH_UNIT_EM)]
[ # # ][ # # ]
100 [ # # ][ # # ]: 0 : | str_p("ex") [assign_a(eUnit,SVG_LENGTH_UNIT_EX)]
[ # # ][ # # ]
101 [ # # ][ # # ]: 0 : | str_p("in") [assign_a(eUnit,SVG_LENGTH_UNIT_IN)]
[ # # ][ # # ]
102 [ # # ][ # # ]: 0 : | str_p("mm") [assign_a(eUnit,SVG_LENGTH_UNIT_MM)]
[ # # ][ # # ]
103 [ # # ][ # # ]: 0 : | str_p("pc") [assign_a(eUnit,SVG_LENGTH_UNIT_PC)]
[ # # ][ # # ]
104 [ # # ][ # # ]: 0 : | str_p("pt") [assign_a(eUnit,SVG_LENGTH_UNIT_PT)]
[ # # ][ # # ]
105 [ # # ][ # # ]: 0 : | str_p("px") [assign_a(eUnit,SVG_LENGTH_UNIT_PX)]
[ # # ][ # # ]
106 [ # # ][ # # ]: 0 : | str_p("%") [assign_a(eUnit,SVG_LENGTH_UNIT_PERCENTAGE)]
[ # # ][ # # ]
107 [ # # ][ # # ]: 0 : | str_p("") [assign_a(eUnit,SVG_LENGTH_UNIT_USER)]
[ # # ][ # # ]
108 [ # # ][ # # ]: 0 : | end_p)
[ # # ]
109 : : ),
110 : : // End grammar
111 [ # # ][ # # ]: 0 : space_p).full;
112 : :
113 [ # # ]: 0 : if( !bRes )
114 : 0 : return 0.0;
115 : :
116 [ # # ]: 0 : return convLength(nVal,eUnit,rState,dir);
117 : : }
118 : :
119 [ + - ][ + - ]: 18 : } // namespace svgi
120 : :
121 : : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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