Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 203 insertions, 0 deletions

diff --git a/svtools/source/misc/unitconv.cxx b/svtools/source/misc/unitconv.cxx
new file mode 100644
index 000000000..395c1b4ac
--- /dev/null
+++ b/svtools/source/misc/unitconv.cxx
@@ -0,0 +1,203 @@
+/* -*- 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 <o3tl/temporary.hxx>
+#include <svtools/unitconv.hxx>
+#include <tools/debug.hxx>
+#include <tools/UnitConversion.hxx>
+#include <vcl/outdev.hxx>
+#include <vcl/weld.hxx>
+
+void SetFieldUnit(weld::MetricSpinButton& rField, FieldUnit eUnit, bool bAll)
+{
+    sal_Int64 nMin, nMax;
+    rField.get_range(nMin, nMax, FieldUnit::TWIP);
+    sal_Int64 nValue = rField.get_value(FieldUnit::TWIP);
+    nMin = rField.denormalize(nMin);
+    nMax = rField.denormalize(nMax);
+    nValue = rField.denormalize(nValue);
+
+    if (!bAll)
+    {
+        switch (eUnit)
+        {
+            case FieldUnit::M:
+            case FieldUnit::KM:
+                eUnit = FieldUnit::CM;
+                break;
+            case FieldUnit::FOOT:
+            case FieldUnit::MILE:
+                eUnit = FieldUnit::INCH;
+                break;
+            default: //prevent warning
+                break;
+        }
+    }
+
+    rField.set_unit(eUnit);
+
+    if (FieldUnit::POINT == eUnit)
+    {
+        if (rField.get_digits() > 1)
+            rField.set_digits(1);
+    }
+    else
+        rField.set_digits(2);
+
+    switch (eUnit)
+    {
+        // _CHAR and _LINE sets the step of "char" and "line" unit, they are same as FieldUnit::MM
+        case FieldUnit::CHAR:
+        case FieldUnit::LINE:
+        case FieldUnit::MM:
+            rField.set_increments(50, 500, eUnit);
+            break;
+        case FieldUnit::INCH:
+            rField.set_increments(2, 20, eUnit);
+            break;
+        default:
+            rField.set_increments(10, 100, eUnit);
+            break;
+    }
+
+    if (!bAll)
+    {
+        nMin = rField.normalize(nMin);
+        nMax = rField.normalize(nMax);
+        rField.set_range(nMin, nMax, FieldUnit::TWIP);
+    }
+
+    rField.set_value(rField.normalize(nValue), FieldUnit::TWIP);
+}
+
+void SetMetricValue(weld::MetricSpinButton& rField, sal_Int64 nCoreValue, MapUnit eUnit)
+{
+    sal_Int64 nVal = OutputDevice::LogicToLogic(nCoreValue, eUnit, MapUnit::Map100thMM);
+    nVal = rField.normalize(nVal);
+    rField.set_value(nVal, FieldUnit::MM_100TH);
+}
+
+sal_Int64 GetCoreValue(const weld::MetricSpinButton& rField, MapUnit eUnit)
+{
+    sal_Int64 nVal = rField.get_value(FieldUnit::MM_100TH);
+    // avoid rounding issues
+    const sal_Int64 nSizeMask = 0xffffffffff000000LL;
+    bool bRoundBefore = true;
+    if( nVal >= 0 )
+    {
+        if( (nVal & nSizeMask) == 0 )
+            bRoundBefore = false;
+    }
+    else
+    {
+        if( ((-nVal) & nSizeMask ) == 0 )
+            bRoundBefore = false;
+    }
+    if( bRoundBefore )
+        nVal = rField.denormalize( nVal );
+    sal_Int64 nUnitVal = OutputDevice::LogicToLogic(nVal, MapUnit::Map100thMM, eUnit);
+    if (!bRoundBefore)
+        nUnitVal = rField.denormalize(nUnitVal);
+    return nUnitVal;
+}
+
+tools::Long CalcToUnit( float nIn, MapUnit eUnit )
+{
+    // nIn is in Points
+
+    DBG_ASSERT( eUnit == MapUnit::MapTwip       ||
+                eUnit == MapUnit::Map100thMM   ||
+                eUnit == MapUnit::Map10thMM    ||
+                eUnit == MapUnit::MapMM         ||
+                eUnit == MapUnit::MapCM, "this unit is not implemented" );
+
+    if (const auto eTo = MapToO3tlLength(eUnit); eTo != o3tl::Length::invalid)
+        return o3tl::convert(nIn, o3tl::Length::pt, eTo);
+
+    return 0;
+}
+
+
+tools::Long ItemToControl( tools::Long nIn, MapUnit eItem, FieldUnit eCtrl )
+{
+    const auto eFrom = MapToO3tlLength(eItem), eTo = FieldToO3tlLength(eCtrl);
+    if (eFrom != o3tl::Length::invalid && eTo != o3tl::Length::invalid)
+        return o3tl::convert(nIn, eFrom, eTo);
+    return 0;
+}
+
+
+tools::Long ControlToItem( tools::Long nIn, FieldUnit eCtrl, MapUnit eItem )
+{
+    return ItemToControl( nIn, eItem, eCtrl );
+}
+
+
+FieldUnit MapToFieldUnit( const MapUnit eUnit )
+{
+    switch ( eUnit )
+    {
+        case MapUnit::Map100thMM:
+        case MapUnit::Map10thMM:
+        case MapUnit::MapMM:
+            return FieldUnit::MM;
+
+        case MapUnit::MapCM:
+            return FieldUnit::CM;
+
+        case MapUnit::Map1000thInch:
+        case MapUnit::Map100thInch:
+        case MapUnit::Map10thInch:
+        case MapUnit::MapInch:
+            return FieldUnit::INCH;
+
+        case MapUnit::MapPoint:
+            return FieldUnit::POINT;
+
+        case MapUnit::MapTwip:
+            return FieldUnit::TWIP;
+        default: ;//prevent warning
+    }
+    return FieldUnit::NONE;
+}
+
+
+tools::Long CalcToPoint( tools::Long nIn, MapUnit eUnit, sal_uInt16 nFactor )
+{
+    DBG_ASSERT( eUnit == MapUnit::MapTwip       ||
+                eUnit == MapUnit::Map100thMM   ||
+                eUnit == MapUnit::Map10thMM    ||
+                eUnit == MapUnit::MapMM         ||
+                eUnit == MapUnit::MapCM, "this unit is not implemented" );
+
+    if (const auto eFrom = MapToO3tlLength(eUnit); eFrom != o3tl::Length::invalid)
+        return o3tl::convert(nIn * static_cast<sal_Int64>(nFactor), eFrom, o3tl::Length::pt);
+    return 0;
+}
+
+
+tools::Long TransformMetric( tools::Long nVal, FieldUnit aOld, FieldUnit aNew )
+{
+    const auto eFrom = FieldToO3tlLength(aOld), eTo = FieldToO3tlLength(aNew);
+    if (eFrom == o3tl::Length::invalid || eTo == o3tl::Length::invalid)
+        return nVal;
+    return o3tl::convert(nVal, eFrom, eTo, o3tl::temporary(bool())); // Just 0 when overflown
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */