vectorgraphicdata.hxx

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#ifndef INCLUDED_VCL_VECTORGRAPHICDATA_HXX
#define INCLUDED_VCL_VECTORGRAPHICDATA_HXX

#include <basegfx/range/b2drange.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <vcl/bitmapex.hxx>
#include <vcl/BinaryDataContainer.hxx>
#include <rtl/ustring.hxx>
#include <deque>
#include <memory>
#include <algorithm>
#include <optional>

namespace com::sun::star::graphic { class XPrimitive2D; }
struct WmfExternal;

typedef css::uno::Sequence<sal_Int8> VectorGraphicDataArray;


// helper to convert any Primitive2DSequence to a good quality BitmapEx,
// using default parameters and graphic::XPrimitive2DRenderer

BitmapEx VCL_DLLPUBLIC convertPrimitive2DSequenceToBitmapEx(
    const std::deque< css::uno::Reference< css::graphic::XPrimitive2D > >& rSequence,
    const basegfx::B2DRange& rTargetRange,
    const sal_uInt32 nMaximumQuadraticPixels = 500000,
    const o3tl::Length eTargetUnit = o3tl::Length::mm100,
    const std::optional<Size>& rTargetDPI = std::nullopt);


enum class VectorGraphicDataType
{
    Svg = 0,
    Emf = 1,
    Wmf = 2,
    Pdf = 3
};

class VCL_DLLPUBLIC VectorGraphicData
{
private:
    // the file and length
    BinaryDataContainer maDataContainer;

    // on demand created content
    bool                        mbSequenceCreated;
    basegfx::B2DRange           maRange;
    std::deque< css::uno::Reference< css::graphic::XPrimitive2D > > maSequence;
    BitmapEx                    maReplacement;
    size_t                      mNestedBitmapSize;
    VectorGraphicDataType meType;

    // extra:
    std::unique_ptr<WmfExternal> mpExternalHeader;

    sal_Int32 mnPageIndex;

    basegfx::B2DTuple maSizeHint;

    bool mbEnableEMFPlus = true;

    // on demand creators
    void ensurePdfReplacement();
    void ensureReplacement();
    void ensureSequenceAndRange();

    VectorGraphicData(const VectorGraphicData&) = delete;
    VectorGraphicData& operator=(const VectorGraphicData&) = delete;

public:
    VectorGraphicData(const OUString& rPath, VectorGraphicDataType eVectorDataType);
    VectorGraphicData(
        const BinaryDataContainer& rDataContainer,
        VectorGraphicDataType eVectorDataType,
        sal_Int32 nPageIndex = -1);
    ~VectorGraphicData();

    bool operator==(const VectorGraphicData& rCandidate) const;

    void setWmfExternalHeader(const WmfExternal& aExtHeader);

    const BinaryDataContainer& getBinaryDataContainer() const
    {
        return maDataContainer;
    }

    enum class State { UNPARSED, PARSED };
    std::pair<State, size_t> getSizeBytes() const;

    const VectorGraphicDataType& getType() const { return meType; }

    const basegfx::B2DRange& getRange() const;
    const std::deque<css::uno::Reference<css::graphic::XPrimitive2D>>& getPrimitive2DSequence() const;
    const BitmapEx& getReplacement() const;
    BitmapChecksum GetChecksum() const;

    sal_Int32 getPageIndex() const
    {
        return std::max(sal_Int32(0), mnPageIndex);
    }

    void setPageIndex(sal_Int32 nPageIndex)
    {
        mnPageIndex = nPageIndex;
    }

    void setSizeHint(const basegfx::B2DTuple& rSizeHint)
    {
        maSizeHint = rSizeHint;
    }

    const basegfx::B2DTuple& getSizeHint() const { return maSizeHint; }

    void setEnableEMFPlus(bool bEnableEMFPlus) { mbEnableEMFPlus = bEnableEMFPlus; }

    bool isPrimitiveSequenceCreated() const { return mbSequenceCreated; }
};

#endif // INCLUDED_VCL_VECTORGRAPHICDATA_HXX

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