Generates a double diamond wipe: More...
#include <doublediamondwipe.hxx>
Inheritance diagram for slideshow::internal::DoubleDiamondWipe:
Collaboration diagram for slideshow::internal::DoubleDiamondWipe:
Public Member Functions | |
| DoubleDiamondWipe () | |
| virtual ::basegfx::B2DPolyPolygon | operator() (double x) override |
| Retrieve the poly-polygon for value t. More... | |
 Public Member Functions inherited from slideshow::internal::ParametricPolyPolygon | |
| virtual | ~ParametricPolyPolygon () |
| virtual ::basegfx::B2DPolyPolygon | operator() (double t)=0 |
| Retrieve the poly-polygon for value t. More... | |
Detailed Description
Generates a double diamond wipe:
Definition at line 30 of file doublediamondwipe.hxx.
Constructor & Destructor Documentation
◆ DoubleDiamondWipe()
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inline |
Definition at line 33 of file doublediamondwipe.hxx.
Member Function Documentation
◆ operator()()
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overridevirtual |
Retrieve the poly-polygon for value t.
- Parameters
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t Current parameter value to retrieve the corresponding poly-polygon for. Permissible values for t must be in the range [0,1].
- Returns
- a poly-polygon corresponding to the given parameter value. The poly-polygon is interpreted as living in the unit rectangle (i.e. [0,1]x[0,1]), but is not necessarily constrained to completely lie in this area (this very much depends on the actual effect to be generated). Although, from a performance perspective, it currently is advantageous to try to keep the poly-polygon within these bounds (at least if there are no hard reasons not to do so), because then reversion or out transformations are potentially faster to compute (see the TransitionInfo::meReverseMethod member in transitionfactory.cxx). Furthermore, if one of the polygon modifications involve subtraction (also see TransitionInfo::meReverseMethod), all generated polygons should be oriented clock-wise (i.e. traversing the polygon vertices with increasing vertex index should generate a clock-wise movement).
Implements slideshow::internal::ParametricPolyPolygon.
Definition at line 27 of file doublediamondwipe.cxx.
References a, basegfx::B2DPolyPolygon::append(), basegfx::B2DPolygon::append(), basegfx::B2DPolygon::clear(), basegfx::B2DPolygon::setClosed(), and t.
The documentation for this class was generated from the following files:
