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, specified 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 the right. 18 */ 19 20 class SK_API SkPathUtils { 21 public: 22 /** 23 This variation iterates the binary data sequentially (as in scanline fashion) 24 and will add each run of 1's to the path as a rectangular path. Upon parsing 25 all binary data the path is simplified using the PathOps::Simplify() method. 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 41
