1/*
2 * Copyright 2017 ARM Ltd.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#ifndef GrDistanceFieldGenFromVector_DEFINED
9#define GrDistanceFieldGenFromVector_DEFINED
10
11#include "include/core/SkPath.h"
12
13class SkMatrix;
14
15/** Given a vector path, generate the associated distance field.
16
17 * @param distanceField The distance field to be generated. Should already be allocated
18 * by the client with the padding defined in "SkDistanceFieldGen.h".
19 * @param path The path we're using to generate the distance field.
20 * @param matrix Transformation matrix for path.
21 * @param width Width of the distance field.
22 * @param height Height of the distance field.
23 * @param rowBytes Size of each row in the distance field, in bytes.
24 */
25bool GrGenerateDistanceFieldFromPath(unsigned char* distanceField,
26 const SkPath& path, const SkMatrix& viewMatrix,
27 int width, int height, size_t rowBytes);
28
29inline bool IsDistanceFieldSupportedFillType(SkPathFillType fFillType)
30{
31 return (SkPathFillType::kEvenOdd == fFillType ||
32 SkPathFillType::kInverseEvenOdd == fFillType);
33}
34
35#endif
36