PdfShadingType Enum
Represents types of the PdfShadings.
Fields
| Axial | The PdfShading is a PdfAxialShading. Type 2 (axial) shadings define a color blend that varies along a linear axis between two endpoints and extends indefinitely perpendicular to that axis. |
| CoonsPatchMesh | The PdfShading is a PdfCoonsPatchMeshShading. Type 6 shadings (Coons patch meshes) are constructed from one or more color patches, each bounded by four cubic Bézier curves. |
| FreeTriangleMesh | The PdfShading is a PdfFreeTriangleMeshShading. Type 4 shadings (free-form Gouraud-shaded triangle meshes) are commonly used to represent complex colored and shaded three-dimensional shapes. The area to be shaded is defined by a path composed entirely of triangles. The color at each vertex of the triangles is specified, and a technique known as Gouraud interpolation is used to color the interiors. |
| FunctionBased | The PdfShading is a PdfFunctionBasedShading. In Type 1 (function-based) shadings, the color at every point in the domain is defined by a specified mathematical function. |
| LatticeTriangleMesh | The PdfShading is a PdfLatticeTriangleMeshShading. Type 5 shadings (lattice-form Gouraud-shaded triangle meshes) are similar to PdfFreeTriangleMeshShading, but instead of using free-form geometry, their vertices are arranged in a pseudorectangular lattice, which is topologically equivalent to a rectangular grid. |
| Radial | The PdfShading is a PdfRadialShading. Type 3 (radial) shadings define a color blend that varies between two circles. |
| TensorPatchMesh | The PdfShading is a PdfTensorPatchMeshShading. Type 7 shadings (tensor-product patch meshes) are identical to PdfCoonsPatchMeshShading, except that they are based on a bicubic tensor-product patch defined by 16 control points instead of the 12 control points that define a Coons patch. |