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1 /* | |
2 * CAUTION: EXPERIMENTAL CODE | |
3 * | |
4 * This code is not to be used and will not be supported | |
5 * if it fails on you. DO NOT USE! | |
6 * | |
7 */ | |
8 | |
9 #ifndef SkPathUtils_DEFINED | |
10 #define SkPathUtils_DEFINED | |
11 | |
12 #include "SkPath.h" | |
13 | |
14 /* | |
15 * The following methods return the boundary path given a 1-bit bitmap, specifie
d | |
16 * by width/height and stride. The bits are interpreted as 1 being "in" the path
, | |
17 * and 0 being "out". The bits are interpreted as MSB on the left, and LSB on th
e right. | |
18 */ | |
19 | |
20 class SK_API SkPathUtils { | |
21 public: | |
22 /** | |
23 This variation iterates the binary data sequentially (as in scanline fash
ion) | |
24 and will add each run of 1's to the path as a rectangular path. Upon pars
ing | |
25 all binary data the path is simplified using the PathOps::Simplify() meth
od. | |
26 */ | |
27 static void BitsToPath_Path(SkPath* path, const char* bitmap, | |
28 int w, int h, int rowBytes); | |
29 | |
30 /** | |
31 This variation utilizes the SkRegion class to generate paths, adding | |
32 each run of 1's to the SkRegion as an SkIRect. Upon parsing the entirety | |
33 of the binary the SkRegion is converted to a Path via getBoundaryPath(). | |
34 */ | |
35 static void BitsToPath_Region(SkPath* path, const char* bitmap, | |
36 int w, int h, int rowBytes); | |
37 | |
38 }; | |
39 | |
40 #endif | |
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