diff options
Diffstat (limited to 'basegfx/inc/basegfx/polygon/b2dpolypolygoncutter.hxx')
| -rw-r--r-- | basegfx/inc/basegfx/polygon/b2dpolypolygoncutter.hxx | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/basegfx/inc/basegfx/polygon/b2dpolypolygoncutter.hxx b/basegfx/inc/basegfx/polygon/b2dpolypolygoncutter.hxx index 3f00b3093f06..53fa1ac4c48f 100644 --- a/basegfx/inc/basegfx/polygon/b2dpolypolygoncutter.hxx +++ b/basegfx/inc/basegfx/polygon/b2dpolypolygoncutter.hxx @@ -30,6 +30,7 @@ #define _BGFX_POLYGON_B2DPOLYPOLYGONCUTTER_HXX #include <basegfx/polygon/b2dpolypolygon.hxx> +#include <basegfx/basegfxdllapi.h> ////////////////////////////////////////////////////////////////////////////// @@ -44,18 +45,18 @@ namespace basegfx // Self crossovers of the contained sub-polygons are implicitely handled, but to not lose // the topological information, it may be necessary to remove self-intersections of the // contained sub-polygons in a preparing step and to explicitely correct their orientations. - B2DPolyPolygon solveCrossovers(const B2DPolyPolygon& rCandidate); + BASEGFX_DLLPUBLIC B2DPolyPolygon solveCrossovers(const B2DPolyPolygon& rCandidate); // Version for single polygons. This is for solving self-intersections. Result will be free of // crossovers. When result contains multiple polygons, it may be necessary to rearrange their // orientations since holes may have been created (use correctOrientations eventually). - B2DPolyPolygon solveCrossovers(const B2DPolygon& rCandidate); + BASEGFX_DLLPUBLIC B2DPolyPolygon solveCrossovers(const B2DPolygon& rCandidate); // Neutral polygons will be stripped. Neutral polygons are ones who's orientation is // neutral, so normally they have no volume -> just closed paths. A polygon with the same // positive and negative oriented volume is also neutral, so this may not be wanted. It is // safe to call with crossover-free polygons, though (that's where it's mostly used). - B2DPolyPolygon stripNeutralPolygons(const B2DPolyPolygon& rCandidate); + BASEGFX_DLLPUBLIC B2DPolyPolygon stripNeutralPolygons(const B2DPolyPolygon& rCandidate); // Remove not necessary polygons. Works only correct with crossover-free polygons. For each // polygon, the depth for the PolyPolygon is calculated. The orientation is used to identify holes. @@ -68,7 +69,7 @@ namespace basegfx // one polygon to another and use this mode -> only parts where two polygons overlapped will be kept. // In combination with correct orientation of the input orientations and the SolveCrossover calls this // can be combined for logical polygon operations or polygon clipping. - B2DPolyPolygon stripDispensablePolygons(const B2DPolyPolygon& rCandidate, bool bKeepAboveZero = false); + BASEGFX_DLLPUBLIC B2DPolyPolygon stripDispensablePolygons(const B2DPolyPolygon& rCandidate, bool bKeepAboveZero = false); // For convenience: The four basic operations OR, XOR, AND and DIFF for // two PolyPolygons. These are combinations of the above methods. To not be forced @@ -87,20 +88,20 @@ namespace basegfx // Preparations: solve self-intersections and intersections, remove neutral // parts and correct orientations. - B2DPolyPolygon prepareForPolygonOperation(const B2DPolygon& rCandidate); - B2DPolyPolygon prepareForPolygonOperation(const B2DPolyPolygon& rCandidate); + BASEGFX_DLLPUBLIC B2DPolyPolygon prepareForPolygonOperation(const B2DPolygon& rCandidate); + BASEGFX_DLLPUBLIC B2DPolyPolygon prepareForPolygonOperation(const B2DPolyPolygon& rCandidate); // OR: Return all areas where CandidateA or CandidateB exist - B2DPolyPolygon solvePolygonOperationOr(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); + BASEGFX_DLLPUBLIC B2DPolyPolygon solvePolygonOperationOr(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); // XOR: Return all areas where CandidateA or CandidateB exist, but not both - B2DPolyPolygon solvePolygonOperationXor(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); + BASEGFX_DLLPUBLIC B2DPolyPolygon solvePolygonOperationXor(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); // AND: Return all areas where CandidateA and CandidateB exist - B2DPolyPolygon solvePolygonOperationAnd(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); + BASEGFX_DLLPUBLIC B2DPolyPolygon solvePolygonOperationAnd(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); // DIFF: Return all areas where CandidateA is not covered by CandidateB (cut B out of A) - B2DPolyPolygon solvePolygonOperationDiff(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); + BASEGFX_DLLPUBLIC B2DPolyPolygon solvePolygonOperationDiff(const B2DPolyPolygon& rCandidateA, const B2DPolyPolygon& rCandidateB); /** merge all single PolyPolygons to a single, OR-ed PolyPolygon @@ -109,7 +110,7 @@ namespace basegfx @return A single PolyPolygon containing the Or-merged result */ - B2DPolyPolygon mergeToSinglePolyPolygon(const std::vector< basegfx::B2DPolyPolygon >& rInput); + BASEGFX_DLLPUBLIC B2DPolyPolygon mergeToSinglePolyPolygon(const std::vector< basegfx::B2DPolyPolygon >& rInput); } // end of namespace tools } // end of namespace basegfx |