Split BasePrimitive2D UNO interface into separate object

Rather than make all the BasePrimitive2D classes bear the cost of being an UNO
object, we just wrap the top level BasePrimitive2D in this class when we need
to pass them over UNO.

This reduces the locking overhead when doing normal drawinglayer operations,
and reduces the size of drawinglayer objects and the cost of initialising
them, which shaves 5% off the load/display time of a large barchart.

Add new drawinglayer::convertPrimitive2DContainerToBitmapEx utility
method to avoid needing to convert to Sequence<XPrimitive2D>

Change-Id: I553eaa4c16ba016b098cb21f6c55f5008f0d9b53
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/126487
Tested-by: Noel Grandin <noel.grandin@collabora.co.uk>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

1 files changed, 8 insertions, 0 deletions

diff --git a/include/drawinglayer/converters.hxx b/include/drawinglayer/converters.hxx
index a0b8c4c4be78..1fda7a2f8350 100644
--- a/include/drawinglayer/converters.hxx
+++ b/include/drawinglayer/converters.hxx
@@ -29,6 +29,14 @@ convertToBitmapEx(drawinglayer::primitive2d::Primitive2DContainer&& rSeq,
                   const geometry::ViewInformation2D& rViewInformation2D, sal_uInt32 nDiscreteWidth,
                   sal_uInt32 nDiscreteHeight, sal_uInt32 nMaxSquarePixels);
 
+// helper to convert any Primitive2DSequence to a good quality BitmapEx,
+// using default parameters
+BitmapEx DRAWINGLAYER_DLLPUBLIC convertPrimitive2DContainerToBitmapEx(
+    drawinglayer::primitive2d::Primitive2DContainer&& rSeq, const basegfx::B2DRange& rTargetRange,
+    const sal_uInt32 nMaximumQuadraticPixels = 500000,
+    const o3tl::Length eTargetUnit = o3tl::Length::mm100,
+    const std::optional<Size>& rTargetDPI = std::nullopt);
+
 } // end of namespace drawinglayer
 
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