filter/source/svg/units.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9 #ifndef INCLUDED_UNITS_HXX
  10 #define INCLUDED_UNITS_HXX
  11
  12 #include <sal/config.h>
  13 #include <rtl/ustring.hxx>
  14
  15 namespace svgi
  16 {
  17     struct State;
  18     enum SvgUnit
  19     {
  20         SVG_LENGTH_UNIT_CM,
  21         SVG_LENGTH_UNIT_EM,
  22         SVG_LENGTH_UNIT_EX,
  23         SVG_LENGTH_UNIT_IN,
  24         SVG_LENGTH_UNIT_MM,
  25         SVG_LENGTH_UNIT_PC,
  26         SVG_LENGTH_UNIT_PT,
  27         SVG_LENGTH_UNIT_PX,
  28         SVG_LENGTH_UNIT_PERCENTAGE,
  29         SVG_LENGTH_UNIT_USER
  30     };
  31
  32     /** return svg_length_t in 100th's of mm
  33          @param fVal value to convert
  34          @param unit unit the value is in
  35          @param rState current state (needed for viewport dimensions etc.)
  36          @param dir direction - either 'h' or 'v' for horizonal or vertical, resp.
  37      */
  38     double convLength( double fVal, SvgUnit unit, const State& rState, char dir );
  39
  40     /** return svg_length_t in 100th's of mm
  41          @param sValue value to convert
  42          @param rState current state (needed for viewport dimensions etc.)
  43          @param dir direction - either 'h' or 'v' for horizonal or vertical, resp.
  44      */
  45     double convLength( const OUString& sValue, const State& rState, char dir );
  46
  47     inline double pt2mm(double fVal) { return fVal*25.4/72.0; }
  48     inline double pt100thmm(double fVal) { return fVal*2540.0/72.0; }
  49
  50 } // namespace svgi
  51
  52 #endif
  53
  54 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */