3 files changed, 81 insertions, 0 deletions
diff --git a/drawinglayer/source/attribute/fillgradientattribute.cxx b/drawinglayer/source/attribute/fillgradientattribute.cxx
index e02fdd4a5dad..54f455f647ef 100644
--- a/drawinglayer/source/attribute/fillgradientattribute.cxx
+++ b/drawinglayer/source/attribute/fillgradientattribute.cxx
@@ -223,6 +223,39 @@ namespace drawinglayer::attribute
             return mpFillGradientAttribute->getSteps();
         }
 
+        bool FillGradientAttribute::sameDefinitionThanAlpha(const FillGradientAttribute& rAlpha) const
+        {
+            // entries that are used by all gradient styles
+            if (getStyle() != rAlpha.getStyle()
+                || getBorder() != rAlpha.getBorder()
+                || getSteps() != rAlpha.getSteps())
+            {
+                return false;
+            }
+
+            // check for offsets if not ignored
+            const bool bIgnoreOffset(css::awt::GradientStyle_LINEAR == getStyle() || css::awt::GradientStyle_AXIAL == getStyle());
+            if (!bIgnoreOffset && (getOffsetX() != rAlpha.getOffsetX() || getOffsetY() != rAlpha.getOffsetY()))
+            {
+                return false;
+            }
+
+            // check for angle if not ignored
+            const bool bIgnoreAngle(css::awt::GradientStyle_RADIAL == getStyle());
+            if (!bIgnoreAngle && getAngle() != rAlpha.getAngle())
+            {
+                return false;
+            }
+
+            // check for same count & offsets in the gradients (all except 'colors')
+            if (!getColorStops().sameSizeAndDistances(rAlpha.getColorStops()))
+            {
+                return false;
+            }
+
+            return true;
+        }
+
 } // end of namespace
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/source/primitive2d/PolyPolygonGradientPrimitive2D.cxx b/drawinglayer/source/primitive2d/PolyPolygonGradientPrimitive2D.cxx
index 4fe3321e62f8..2e6b83ab526f 100644
--- a/drawinglayer/source/primitive2d/PolyPolygonGradientPrimitive2D.cxx
+++ b/drawinglayer/source/primitive2d/PolyPolygonGradientPrimitive2D.cxx
@@ -22,6 +22,8 @@
 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
 #include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
+#include <drawinglayer/primitive2d/transparenceprimitive2d.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
 #include <rtl/ref.hxx>
 #include <utility>
 
@@ -84,6 +86,50 @@ sal_uInt32 PolyPolygonGradientPrimitive2D::getPrimitive2DID() const
     return PRIMITIVE2D_ID_POLYPOLYGONGRADIENTPRIMITIVE2D;
 }
 
+Primitive2DReference PolyPolygonRGBAGradientPrimitive2D::create2DDecomposition(
+    const geometry::ViewInformation2D& /*rViewInformation*/) const
+{
+    Primitive2DContainer aContent{ new PolyPolygonGradientPrimitive2D(
+        getB2DPolyPolygon(), getDefinitionRange(), getFillGradient()) };
+
+    Primitive2DContainer aAlpha{ new FillGradientPrimitive2D(
+        basegfx::utils::getRange(getB2DPolyPolygon()), getDefinitionRange(),
+        getFillGradientAlpha()) };
+
+    return Primitive2DReference{ new TransparencePrimitive2D(std::move(aContent),
+                                                             std::move(aAlpha)) };
+}
+
+PolyPolygonRGBAGradientPrimitive2D::PolyPolygonRGBAGradientPrimitive2D(
+    basegfx::B2DPolyPolygon aPolyPolygon, const basegfx::B2DRange& rDefinitionRange,
+    attribute::FillGradientAttribute aFillGradient,
+    attribute::FillGradientAttribute aFillGradientAlpha)
+    : PolyPolygonGradientPrimitive2D(aPolyPolygon, rDefinitionRange, aFillGradient)
+    , maFillGradientAlpha(aFillGradientAlpha)
+{
+    // assert when the definition is not allowed, it HAS to fulfil the
+    // requested preconditions
+    assert(aFillGradient.sameDefinitionThanAlpha(aFillGradientAlpha));
+}
+
+bool PolyPolygonRGBAGradientPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
+{
+    if (PolyPolygonGradientPrimitive2D::operator==(rPrimitive))
+    {
+        const PolyPolygonRGBAGradientPrimitive2D& rCompare
+            = static_cast<const PolyPolygonRGBAGradientPrimitive2D&>(rPrimitive);
+
+        return getFillGradientAlpha() == rCompare.getFillGradientAlpha();
+    }
+
+    return false;
+}
+
+sal_uInt32 PolyPolygonRGBAGradientPrimitive2D::getPrimitive2DID() const
+{
+    return PRIMITIVE2D_ID_POLYPOLYGONRGBAGRADIENTPRIMITIVE2D;
+}
+
 } // end drawinglayer::primitive2d namespace
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/drawinglayer/source/primitive2d/Tools.cxx b/drawinglayer/source/primitive2d/Tools.cxx
index bd74a4b5cd00..b13505bc3fd6 100644
--- a/drawinglayer/source/primitive2d/Tools.cxx
+++ b/drawinglayer/source/primitive2d/Tools.cxx
@@ -233,6 +233,8 @@ OUString idToString(sal_uInt32 nId)
             return u"SINGLELINEPRIMITIVE"_ustr;
         case PRIMITIVE2D_ID_EXCLUSIVEEDITVIEWPRIMITIVE2D:
             return u"EXCLUSIVEEDITVIEWPRIMITIVE2D"_ustr;
+        case PRIMITIVE2D_ID_POLYPOLYGONRGBAGRADIENTPRIMITIVE2D:
+            return u"POLYPOLYGONRGBAGRADIENTPRIMITIVE2D"_ustr;
         default:
             return OUString::number((nId >> 16) & 0xFF) + "|" + OUString::number(nId & 0xFF);
     }