tdf#161826 - Add uniform Glow effect for texts in shapes

- Add new text Glow effect properties for shapes

- Using TextGlowPrimitive for rendering uniform text glow in shapes

- Add/allow new UI Glow Effect for texts in shapes on sidebar
(Only for Impress/Draw and Calc)

- Import/Export ooxml files with Glow effect on texts in shapes
(Only PPTX/XLSX)

- Import/Export odf files with Glow effect on texts in shapes

- Add unit test for glow text attributes in ODF

- Add uni tests for OOXML import/export

Note: Also this patch effects on
tdf#144061 - Effects: Allow GLOW to apply to Text (as we have for shapes)

Change-Id: I16586c01654f197f532129e4e06aa2ef9f214395
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/172216
Reviewed-by: Balazs Varga <balazs.varga.extern@allotropia.de>
Tested-by: Jenkins
Reviewed-by: Regina Henschel <rb.henschel@t-online.de>

2 files changed, 90 insertions, 0 deletions

diff --git a/include/oox/drawingml/effectproperties.hxx b/include/oox/drawingml/effectproperties.hxx
new file mode 100644
index 000000000000..71b05af78752
--- /dev/null
+++ b/include/oox/drawingml/effectproperties.hxx
@@ -0,0 +1,89 @@
+/* -*- 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/.
+ */
+
+#ifndef INCLUDED_OOX_DRAWINGML_EFFECTPROPERTIES_HXX
+#define INCLUDED_OOX_DRAWINGML_EFFECTPROPERTIES_HXX
+
+#include <oox/drawingml/color.hxx>
+#include <oox/helper/propertymap.hxx>
+
+#include <memory>
+#include <vector>
+#include <map>
+
+namespace model
+{
+enum class RectangleAlignment;
+}
+
+namespace oox::drawingml
+{
+struct EffectGlowProperties
+{
+    std::optional<sal_Int64> moGlowRad; // size of glow effect
+    Color moGlowColor;
+    // TODO saturation and luminance missing
+
+    void assignUsed(const EffectGlowProperties& rSourceProps);
+};
+
+struct EffectSoftEdgeProperties
+{
+    std::optional<sal_Int64> moRad; // size of effect
+
+    void assignUsed(const EffectSoftEdgeProperties& rSourceProps);
+};
+
+struct EffectShadowProperties
+{
+    std::optional<sal_Int64> moShadowDist;
+    std::optional<sal_Int64> moShadowDir;
+    std::optional<sal_Int64> moShadowSx;
+    std::optional<sal_Int64> moShadowSy;
+    Color moShadowColor;
+    std::optional<sal_Int64> moShadowBlur; // size of blur effect
+    std::optional<model::RectangleAlignment> moShadowAlignment;
+
+    /** Overwrites all members that are explicitly set in rSourceProps. */
+    void assignUsed(const EffectShadowProperties& rSourceProps);
+};
+
+struct Effect
+{
+    OUString msName;
+    std::map<OUString, css::uno::Any> maAttribs;
+    Color moColor;
+
+    css::beans::PropertyValue getEffect();
+};
+
+struct EffectProperties
+{
+    EffectShadowProperties maShadow;
+    EffectGlowProperties maGlow;
+    EffectSoftEdgeProperties maSoftEdge;
+
+    /** Stores all effect properties, including those not supported by core yet */
+    std::vector<std::unique_ptr<Effect>> m_Effects;
+
+    EffectProperties() {}
+    EffectProperties(EffectProperties const& rOther) { assignUsed(rOther); }
+
+    /** Overwrites all members that are explicitly set in rSourceProps. */
+    void assignUsed(const EffectProperties& rSourceProps);
+
+    /** Writes the properties to the passed property map. */
+    void pushToPropMap(PropertyMap& rPropMap, const GraphicHelper& rGraphicHelper) const;
+};
+
+} // namespace oox::drawingml
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/include/oox/export/drawingml.hxx b/include/oox/export/drawingml.hxx
index 864aaebbb61c..14df9e9cad8c 100644
--- a/include/oox/export/drawingml.hxx
+++ b/include/oox/export/drawingml.hxx
@@ -339,6 +339,7 @@ protected:
     bool IsFontworkShape(const css::uno::Reference< css::beans::XPropertySet >& rXShapePropSet);
 
     void WriteGlowEffect(const css::uno::Reference<css::beans::XPropertySet>& rXPropSet);
+    void WriteTextGlowEffect(const css::uno::Reference<css::beans::XPropertySet>& rXPropSet);
     void WriteSoftEdgeEffect(const css::uno::Reference<css::beans::XPropertySet>& rXPropSet);
     void WriteCustomGeometryPoint(const css::drawing::EnhancedCustomShapeParameterPair& rParamPair,
                                   const EnhancedCustomShape2d& rCustomShape2d,