1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/core/SkDistanceFieldGen.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,25 @@
1.4 +/*
1.5 + * Copyright 2014 Google Inc.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +#ifndef SkDistanceFieldGen_DEFINED
1.11 +#define SkDistanceFieldGen_DEFINED
1.12 +
1.13 +/** Given 8-bit mask data, generate the associated distance field
1.14 +
1.15 + * @param distanceField The distance field to be generated. Should already be allocated
1.16 + * by the client with the padding below.
1.17 + * @param image 8-bit mask we're using to generate the distance field.
1.18 + * @param w Width of the image.
1.19 + * @param h Height of the image.
1.20 + * @param distanceMagnitude Largest possible absolute value for the distance. The distance field
1.21 + * will be padded to w + 2*distanceMagnitude, h + 2*distanceMagnitude.
1.22 + */
1.23 +bool SkGenerateDistanceFieldFromImage(unsigned char* distanceField,
1.24 + const unsigned char* image,
1.25 + int w, int h,
1.26 + int distanceMagnitude);
1.27 +
1.28 +#endif
