michael@0: /*
michael@0:  *  CAUTION: EXPERIMENTAL CODE
michael@0:  *
michael@0:  *  This code is not to be used and will not be supported
michael@0:  *  if it fails on you. DO NOT USE!
michael@0:  *
michael@0:  */
michael@0: 
michael@0: #ifndef SkPathUtils_DEFINED
michael@0: #define SkPathUtils_DEFINED
michael@0: 
michael@0: #include "SkPath.h"
michael@0: 
michael@0: /*
michael@0:  * The following methods return the boundary path given a 1-bit bitmap, specified
michael@0:  * by width/height and stride. The bits are interpreted as 1 being "in" the path,
michael@0:  * and 0 being "out". The bits are interpreted as MSB on the left, and LSB on the right.
michael@0:  */
michael@0: 
michael@0: class SK_API SkPathUtils {
michael@0: public:
michael@0:     /**
michael@0:        This variation iterates the binary data sequentially (as in scanline fashion)
michael@0:        and will add each run of 1's to the path as a rectangular path. Upon parsing
michael@0:        all binary data the path is simplified using the PathOps::Simplify() method.
michael@0:     */
michael@0:     static void BitsToPath_Path(SkPath* path, const char* bitmap,
michael@0:                             int w, int h, int rowBytes);
michael@0: 
michael@0:     /**
michael@0:        This variation utilizes the SkRegion class to generate paths, adding
michael@0:        each run of 1's to the SkRegion as an SkIRect. Upon parsing the entirety
michael@0:        of the binary the SkRegion is converted to a Path via getBoundaryPath().
michael@0:     */
michael@0:     static void BitsToPath_Region(SkPath* path, const char* bitmap,
michael@0:                                    int w, int h, int rowBytes);
michael@0: 
michael@0: };
michael@0: 
michael@0: #endif