sc: theme color support for sparklines + ODF & OOXML import/export

This changes Sparkline colors to use complex colors instead and
adds Sparkline theme color import and export support for ODF and
OOXML.

Change-Id: I58edd525d50f95199bd4fe7825afb51aaa7fc091
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/155113
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
(cherry picked from commit c8d8bf4282cbd04abacfa69ba2cc0fa4300e35e1)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156106
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>

3 files changed, 62 insertions, 1 deletions

diff --git a/oox/Library_oox.mk b/oox/Library_oox.mk
index ac130d90350c..f7c96ea1498b 100644
--- a/oox/Library_oox.mk
+++ b/oox/Library_oox.mk
@@ -228,6 +228,7 @@ $(eval $(call gb_Library_add_exception_objects,oox,\
     oox/source/dump/oledumper \
     oox/source/dump/pptxdumper \
     oox/source/export/ColorPropertySet \
+    oox/source/export/ColorExportUtils \
     oox/source/export/drawingml \
     oox/source/export/DMLPresetShapeExport \
     oox/source/export/shapes \
diff --git a/oox/source/drawingml/color.cxx b/oox/source/drawingml/color.cxx
index cb0929c4fc00..1a9e39f3832d 100644
--- a/oox/source/drawingml/color.cxx
+++ b/oox/source/drawingml/color.cxx
@@ -823,9 +823,14 @@ model::ComplexColor Color::createComplexColor(const GraphicHelper& /*rGraphicHel
         auto eTheme = getThemeColorType();
         aNewComplexColor.setSchemeColor(eTheme);
     }
+    else if (meMode == COLOR_RGB)
+    {
+        ::Color aColor(ColorTransparency, lclRgbComponentsToRgb(mnC1, mnC2, mnC3));
+        aNewComplexColor = model::ComplexColor::RGB(aColor);
+    }
     else
     {
-        // TODO
+        // TODO - Add other options
         return aNewComplexColor;
     }
 
diff --git a/oox/source/export/ColorExportUtils.cxx b/oox/source/export/ColorExportUtils.cxx
new file mode 100644
index 000000000000..2b9f7baabc53
--- /dev/null
+++ b/oox/source/export/ColorExportUtils.cxx
@@ -0,0 +1,55 @@
+/* -*- 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/.
+ */
+
+#include <sal/config.h>
+#include <array>
+#include <oox/export/ColorExportUtils.hxx>
+#include <docmodel/color/ComplexColor.hxx>
+
+namespace oox
+{
+double convertColorTransformsToTintOrShade(model::ComplexColor const& rComplexColor)
+{
+    sal_Int16 nLumMod = 10'000;
+    sal_Int16 nLumOff = 0;
+
+    for (auto const& rTransform : rComplexColor.getTransformations())
+    {
+        if (rTransform.meType == model::TransformationType::LumMod)
+            nLumMod = rTransform.mnValue;
+        if (rTransform.meType == model::TransformationType::LumOff)
+            nLumOff = rTransform.mnValue;
+    }
+
+    if (nLumMod == 10'000 && nLumOff == 0)
+        return 0.0;
+
+    double fTint = 0.0;
+
+    if (nLumOff > 0) // tint
+        fTint = double(nLumOff) / 10'000.0;
+    else
+        fTint = -double(10'000 - nLumMod) / 10'000.0;
+
+    return fTint;
+}
+
+sal_Int32 convertThemeColorTypeToExcelThemeNumber(model::ThemeColorType eType)
+{
+    if (eType == model::ThemeColorType::Unknown)
+        return -1;
+
+    static constexpr std::array<sal_Int32, 12> constThemeColorMapToXmlMap
+        = { 1, 0, 3, 2, 4, 5, 6, 7, 8, 9, 10, 11 };
+
+    return constThemeColorMapToXmlMap[sal_Int32(eType)];
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */