LibreOffice Module vcl (master)  1
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 
28 // #i121267# Added tooling to be able to support old exporters which are based on
29 // metafiles as graphic content, but do not implement using the contained clip
30 // regions.
31 // The given metafile will internally clip it's graphic content against the
32 // included clip regions so that it is safe to ignore clip actions there. This
33 // is not done completely, but implemented and extended as needed (on demand)
34 // since all this is a workaround; the better and long term solution will be to
35 // reimplement these im/exports to use primitives and not metafiles as base
36 // information.
37 
39 
40 
41 // Allow to check if a Metafile contains clipping or not
42 
43 bool VCL_DLLPUBLIC usesClipActions(const GDIMetaFile& rSource);
44 
45 // hook to access metafile members in classes of modules above vcl. Currently
46 // used in MetafilePrimitive2D to be able to access the local Metafile member
47 // e.g. from vcl module
48 class UNLESS_MERGELIBS(VCL_DLLPUBLIC) MetafileAccessor
49 {
50 public:
51  virtual void accessMetafile(GDIMetaFile& rTargetMetafile) const = 0;
52  virtual ~MetafileAccessor();
53 };
54 
55 
56 #endif // INCLUDED_VCL_GDIMETAFILETOOLS_HXX
57 
58 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
bool VCL_DLLPUBLIC usesClipActions(const GDIMetaFile &rSource)
#define VCL_DLLPUBLIC
Definition: dllapi.h:29
void VCL_DLLPUBLIC clipMetafileContentAgainstOwnRegions(GDIMetaFile &rSource)