LibreOffice Module sdext (master)  1
pdfihelper.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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8  *
9  * This file incorporates work covered by the following license notice:
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15  * License, Version 2.0 (the "License"); you may not use this file
16  * except in compliance with the License. You may obtain a copy of
17  * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18  */
19 
20 
21 #include <pdfihelper.hxx>
22 
23 #include <rtl/ustrbuf.hxx>
25 #include <rtl/math.hxx>
26 
27 #include <math.h>
28 
29 using namespace pdfi;
30 using namespace com::sun::star;
31 
33 {
34  double rotate, shearX;
35  basegfx::B2DTuple scale, translation;
36  matrix.decompose(scale, translation, rotate, shearX);
37  return (fabs(scale.getX()) + fabs(scale.getY())) / 2.0;
38 }
39 
40 void pdfi::FillDashStyleProps(PropertyMap& props, const std::vector<double>& dashArray, double scale)
41 {
42  size_t pairCount = dashArray.size() / 2;
43 
44  double distance = 0.0;
45  for (size_t i = 0; i < pairCount; i++)
46  distance += dashArray[i * 2 + 1];
47  distance /= pairCount;
48 
49  props["draw:style"] = "rect";
50  props["draw:distance"] = convertPixelToUnitString(distance * scale);
51 
52  int dotStage = 0;
53  int dotCounts[3] = {0, 0, 0};
54  double dotLengths[3] = {0.0, 0.0, 0.0};
55 
56  for (size_t i = 0; i < pairCount; i++)
57  {
58  if (!rtl::math::approxEqual(dotLengths[dotStage], dashArray[i * 2]))
59  {
60  dotStage++;
61  if (dotStage == 3)
62  break;
63 
64  dotCounts[dotStage] = 1;
65  dotLengths[dotStage] = dashArray[i * 2];
66  }
67  else
68  {
69  dotCounts[dotStage]++;
70  }
71  }
72 
73  for (int i = 1; i < 3; i++)
74  {
75  if (dotCounts[i] == 0)
76  continue;
77  props["draw:dots" + OUString::number(i)] = OUString::number(dotCounts[i]);
78  props["draw:dots" + OUString::number(i) + "-length"] =
79  convertPixelToUnitString(dotLengths[i] * scale);
80  }
81 }
82 
83 OUString pdfi::getColorString( const rendering::ARGBColor& rCol )
84 {
85  OUStringBuffer aBuf( 7 );
86  const sal_uInt8 nRed ( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Red * 255.0 ) ) );
87  const sal_uInt8 nGreen( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Green * 255.0 ) ) );
88  const sal_uInt8 nBlue ( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Blue * 255.0 ) ) );
89  aBuf.append( '#' );
90  if( nRed < 16 )
91  aBuf.append( '0' );
92  aBuf.append( sal_Int32(nRed), 16 );
93  if( nGreen < 16 )
94  aBuf.append( '0' );
95  aBuf.append( sal_Int32(nGreen), 16 );
96  if( nBlue < 16 )
97  aBuf.append( '0' );
98  aBuf.append( sal_Int32(nBlue), 16 );
99 
100  return aBuf.makeStringAndClear();
101 }
102 
103 OUString pdfi::getPercentString(double value)
104 {
105  return OUString::number(value) + "%";
106 }
107 
108 OUString pdfi::unitMMString( double fMM )
109 {
110  OUStringBuffer aBuf( 32 );
111  aBuf.append( rtl_math_round( fMM, 2, rtl_math_RoundingMode_Floor ) );
112  aBuf.append( "mm" );
113 
114  return aBuf.makeStringAndClear();
115 }
116 
117 OUString pdfi::convertPixelToUnitString( double fPix )
118 {
119  OUStringBuffer aBuf( 32 );
120  aBuf.append( rtl_math_round( convPx2mm( fPix ), 2, rtl_math_RoundingMode_Floor ) );
121  aBuf.append( "mm" );
122 
123  return aBuf.makeStringAndClear();
124 }
125 
126 
127 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
std::unordered_map< OUString, OUString > PropertyMap
Definition: pdfihelper.hxx:45
OUString unitMMString(double fMM)
Definition: pdfihelper.cxx:108
OUString getPercentString(double value)
Definition: pdfihelper.cxx:103
double getX() const
OUString convertPixelToUnitString(double fPix)
Definition: pdfihelper.cxx:117
aBuf
double getY() const
def rotate(shapename, deg)
double convPx2mm(double fPix)
Definition: pdfihelper.hxx:54
B2IRange fround(const B2DRange &rRange)
double distance
int i
bool decompose(B2DTuple &rScale, B2DTuple &rTranslate, double &rRotate, double &rShearX) const
double GetAverageTransformationScale(const basegfx::B2DHomMatrix &matrix)
Definition: pdfihelper.cxx:32
sal_Int32 scale
OUString getColorString(const css::rendering::ARGBColor &)
Convert color to "#FEFEFE" color notation.
void FillDashStyleProps(PropertyMap &props, const std::vector< double > &dashArray, double scale)
Definition: pdfihelper.cxx:40
unsigned char sal_uInt8