basegfx/source/tools/numbertools.cxx

   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
  10 #include <basegfx/tools/tools.hxx>
  11 #include <basegfx/matrix/b2dhommatrix.hxx>
  12 #include <basegfx/polygon/b2dpolypolygon.hxx>
  13 #include <basegfx/polygon/b2dpolypolygontools.hxx>
  14
  15 #include <rtl/ustrbuf.hxx>
  16 #include <rtl/math.hxx>
  17
  18 #include <utility>
  19
  20 namespace basegfx { namespace tools
  21 {
  22     B2DPolyPolygon number2PolyPolygon(double fValue, sal_Int32 nTotalDigits, sal_Int32 nDecPlaces, bool bLitSegments)
  23     {
  24         // config here
  25         // {
  26         const double fSpace=0.2;
  27         // }
  28         // config here
  29
  30         rtl::OUStringBuffer aNum;
  31         rtl::math::doubleToUStringBuffer(aNum,
  32                                          fValue,
  33                                          rtl_math_StringFormat_F,
  34                                          nDecPlaces, '.',
  35                                          0, ',');
  36
  37         B2DPolyPolygon aRes;
  38         B2DHomMatrix aMat;
  39         double fCurrX=std::max(nTotalDigits-aNum.getLength(),
  40                                sal_Int32(0)) * (1.0+fSpace);
  41         for( sal_Int32 i=0; i<aNum.getLength(); ++i )
  42         {
  43             B2DPolyPolygon aCurr;
  44             aCurr=createSevenSegmentPolyPolygon(aNum[i],
  45                                                 bLitSegments);
  46
  47             aMat.identity();
  48             aMat.translate(fCurrX,0.0);
  49             aCurr.transform(aMat);
  50
  51             fCurrX += 1.0+fSpace;
  52
  53             aRes.append(aCurr);
  54         }
  55
  56         return aRes;
  57     }
  58
  59 } }
  60
  61 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */