converters.hxx

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#pragma once
 
#include <vcl/bitmapex.hxx>
#include <drawinglayer/primitive2d/Primitive2DContainer.hxx>
 
namespace drawinglayer
{
// Helper that just creates the AlphaMask for a given Seq of Primitives.
// If only the mask is needed this can be significantly faster then
// creating content & mask in a BitmapEx (since the creation uses
// e.g. a unified color for gradients instead of having to fully paint
// these)
// New mode: bUseLuminance allows simple creation of alpha channels
//           for any content (e.g. gradients)
AlphaMask DRAWINGLAYER_DLLPUBLIC createAlphaMask(
    drawinglayer::primitive2d::Primitive2DContainer&& rSeq,
    const geometry::ViewInformation2D& rViewInformation2D, sal_uInt32 nDiscreteWidth,
    sal_uInt32 nDiscreteHeight, sal_uInt32 nMaxSquarePixels, bool bUseLuminance = false);
 
// Helper for convertPrimitive2DContainerToBitmapEx below, but can be also used
// directly
BitmapEx DRAWINGLAYER_DLLPUBLIC
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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