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diff --git a/filter/README.md b/filter/README.md index 78d469a6859f..19caeb73eaf9 100644 --- a/filter/README.md +++ b/filter/README.md @@ -1,24 +1,24 @@ +# LibreOffice Filters + Filter registration and some simple filters (also descriptions). Desperate splitting of code into small shared libraries for historical reasons presumably (OS/2 and Windows 3.x). The libraries produced from -the code in each subdirectory of filter/source/graphicfilter are +the code in each subdirectory of `filter/source/graphicfilter` are graphic format import or export filters. But they don't have uniform -API. Some have either a GraphicImport or GraphicExport entry point, +API. Some have either a `GraphicImport` or `GraphicExport` entry point, and are loaded and used in a uniform fashion from code in -svtools/source/filter/filter.cxx. Others have different API and are -loaded from other places. For instance "icgm" has ImportCGM, and is -loaded and used by sd/source/filter/cgm/sdcgmfilter.cxx (!). -Svgreader is used for "File->Open" and then to choose the svg file. -For "Insert->Picture->From File", see svgio/source/svgreader directory. +`svtools/source/filter/filter.cxx`. Others have different API and are +loaded from other places. For instance `icgm` has `ImportCGM`, and is +loaded and used by `sd/source/filter/cgm/sdcgmfilter.cxx` (!). +Svgreader is used for "File -> Open" and then to choose the svg file. +For "Insert -> Picture -> From File", see `svgio/source/svgreader` directory. -==================== -filter configuration -==================== +## Filter Configuration The filter configuration consists of two parts, the type definition in -filter/source/config/fragments/types/ and the actual filter definition -in filter/source/config/fragments/filters/. +`filter/source/config/fragments/types/` and the actual filter definition +in `filter/source/config/fragments/filters/`. Each file type e.g. text file should be represented by exactly one type definition. This type can then be referenced by several different |