1 files changed, 119 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/misc/pdfihelper.cxx b/sdext/source/pdfimport/misc/pdfihelper.cxx
new file mode 100644
index 000000000..8268be6b9
--- /dev/null
+++ b/sdext/source/pdfimport/misc/pdfihelper.cxx
@@ -0,0 +1,119 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+
+#include <pdfihelper.hxx>
+
+#include <rtl/ustrbuf.hxx>
+#include <basegfx/numeric/ftools.hxx>
+#include <rtl/math.hxx>
+
+#include <math.h>
+
+using namespace pdfi;
+using namespace com::sun::star;
+
+double pdfi::GetAverageTransformationScale(const basegfx::B2DHomMatrix& matrix)
+{
+    double rotate, shearX;
+    basegfx::B2DTuple scale, translation;
+    matrix.decompose(scale, translation, rotate, shearX);
+    return (fabs(scale.getX()) + fabs(scale.getY())) / 2.0;
+}
+
+void pdfi::FillDashStyleProps(PropertyMap& props, const std::vector<double>& dashArray, double scale)
+{
+    size_t pairCount = dashArray.size() / 2;
+
+    double distance = 0.0;
+    for (size_t i = 0; i < pairCount; i++)
+        distance += dashArray[i * 2 + 1];
+    distance /= pairCount;
+
+    props["draw:style"] = "rect";
+    props["draw:distance"] = convertPixelToUnitString(distance * scale);
+
+    int dotStage = 0;
+    int dotCounts[3] = {0, 0, 0};
+    double dotLengths[3] = {0.0, 0.0, 0.0};
+
+    for (size_t i = 0; i < pairCount; i++)
+    {
+        if (!rtl::math::approxEqual(dotLengths[dotStage], dashArray[i * 2]))
+        {
+            dotStage++;
+            if (dotStage == 3)
+                break;
+
+            dotCounts[dotStage] = 1;
+            dotLengths[dotStage] = dashArray[i * 2];
+        }
+        else
+        {
+            dotCounts[dotStage]++;
+        }
+    }
+
+    for (int i = 1; i < 3; i++)
+    {
+        if (dotCounts[i] == 0)
+            continue;
+        props["draw:dots" + OUString::number(i)] = OUString::number(dotCounts[i]);
+        props["draw:dots" + OUString::number(i) + "-length"] =
+            convertPixelToUnitString(dotLengths[i] * scale);
+    }
+}
+
+OUString pdfi::getColorString( const rendering::ARGBColor& rCol )
+{
+    OUStringBuffer aBuf( 7 );
+    const sal_uInt8 nRed  ( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Red * 255.0 ) ) );
+    const sal_uInt8 nGreen( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Green * 255.0 ) ) );
+    const sal_uInt8 nBlue ( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Blue * 255.0 ) ) );
+    aBuf.append( '#' );
+    if( nRed < 16 )
+        aBuf.append( '0' );
+    aBuf.append( sal_Int32(nRed), 16 );
+    if( nGreen < 16 )
+        aBuf.append( '0' );
+    aBuf.append( sal_Int32(nGreen), 16 );
+    if( nBlue < 16 )
+        aBuf.append( '0' );
+    aBuf.append( sal_Int32(nBlue), 16 );
+
+    return aBuf.makeStringAndClear();
+}
+
+OUString pdfi::getPercentString(double value)
+{
+    return OUString::number(value) + "%";
+}
+
+OUString pdfi::unitMMString( double fMM )
+{
+    return OUString::number(rtl_math_round( fMM, 2, rtl_math_RoundingMode_Floor )) + "mm";
+}
+
+OUString pdfi::convertPixelToUnitString( double fPix )
+{
+    return OUString::number( rtl_math_round( convPx2mm( fPix ), 2, rtl_math_RoundingMode_Floor ) ) + "mm";
+}
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */