include/vcl/gdimetafiletools.hxx

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  19 #ifndef INCLUDED_VCL_GDIMETAFILETOOLS_HXX
  20 #define INCLUDED_VCL_GDIMETAFILETOOLS_HXX
  21
  22 #include <config_options.h>
  23 #include <vcl/dllapi.h>
  24
  25 class GDIMetaFile;
  26
  27 // #i121267# Added tooling to be able to support old exporters which are based on
  28 // metafiles as graphic content, but do not implement using the contained clip
  29 // regions.
  30 // The given metafile will internally clip it's graphic content against the
  31 // included clip regions so that it is safe to ignore clip actions there. This
  32 // is not done completely, but implemented and extended as needed (on demand)
  33 // since all this is a workaround; the better and long term solution will be to
  34 // reimplement these im/exports to use primitives and not metafiles as base
  35 // information.
  36
  37 void clipMetafileContentAgainstOwnRegions(GDIMetaFile& rSource);
  38
  39 // Allow to check if a Metafile contains clipping or not
  40
  41 bool usesClipActions(const GDIMetaFile& rSource);
  42
  43 // hook to access metafile members in classes of modules above vcl. Currently
  44 // used in MetafilePrimitive2D to be able to access the local Metafile member
  45 // e.g. from vcl module
  46 class UNLESS_MERGELIBS(VCL_DLLPUBLIC) SAL_LOPLUGIN_ANNOTATE("crosscast") MetafileAccessor
  47 {
  48 public:
  49     virtual void accessMetafile(GDIMetaFile& rTargetMetafile) const = 0;
  50     virtual ~MetafileAccessor();
  51 };
  52
  53 #endif // INCLUDED_VCL_GDIMETAFILETOOLS_HXX
  54
  55 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */