| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| #ifndef SkPathOps_DEFINED |
| #define SkPathOps_DEFINED |
| |
| class SkPath; |
| |
| // FIXME: move this into SkPaths.h or just use the equivalent in SkRegion.h |
| enum SkPathOp { |
| kDifference_PathOp, //!< subtract the op path from the first path |
| kIntersect_PathOp, //!< intersect the two paths |
| kUnion_PathOp, //!< union (inclusive-or) the two paths |
| kXOR_PathOp, //!< exclusive-or the two paths |
| /** subtract the first path from the op path */ |
| kReverseDifference_PathOp, // FIXME: unsupported |
| kReplace_PathOp //!< replace the dst path with the op FIXME: unsupported: should it be? |
| }; |
| |
| // FIXME: these functions become members of SkPath |
| /** |
| * Set this path to the result of applying the Op to this path and the |
| * specified path: this = (this op operand). The resulting path will be constructed |
| * from non-overlapping contours. The curve order is reduced where possible so that cubics may |
| * be turned into quadratics, and quadratics maybe turned into lines. |
| */ |
| void Op(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result); |
| |
| /** |
| * Set this path to a set of non-overlapping contours that describe the same |
| * area as the original path. The curve order is reduced where possible so that cubics may |
| * be turned into quadratics, and quadratics maybe turned into lines. |
| */ |
| void Simplify(const SkPath& path, SkPath* result); |
| |
| #endif |