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Side by Side Diff: include/utils/SkPathUtils.h

Issue 18552005: Animated the PathUtils Sample to show path contours (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Fixed (lower)casing of local variables. Created 7 years, 5 months ago
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1 /* 1 /*
2 * CAUTION: EXPERIMENTAL CODE 2 * CAUTION: EXPERIMENTAL CODE
3 * 3 *
4 * This code is not to be used and will not be supported 4 * This code is not to be used and will not be supported
5 * if it fails on you. DO NOT USE! 5 * if it fails on you. DO NOT USE!
6 * 6 *
7 */ 7 */
8 8
9 #ifndef SkPathUtils_DEFINED 9 #ifndef SkPathUtils_DEFINED
10 #define SkPathUtils_DEFINED 10 #define SkPathUtils_DEFINED
11 11
12 #include "SkPath.h" 12 #include "SkPath.h"
13 13
14 /* 14 /*
15 * The following methods return the boundary path given a 1-bit bitmap, specifie d 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 , 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. 17 * and 0 being "out". The bits are interpreted as MSB on the left, and LSB on th e right.
18 */ 18 */
19 19
20 class SK_API SkPathUtils { 20 class SK_API SkPathUtils {
21 public: 21 public:
22 /** 22 /**
23 This variation iterates the binary data sequentially (as in scanline fash ion) 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 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. 25 all binary data the path is simplified using the PathOps::Simplify() meth od.
26 */ 26 */
27 static void BitsToPath_Path(SkPath* path, const char* bitmap, 27 static void BitsToPath_Path(SkPath* path, const char* bitmap,
28 int h, int w, int stride); 28 int w, int h, int rowBytes);
29 29
30 /** 30 /**
31 This variation utilizes the SkRegion class to generate paths, adding 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 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(). 33 of the binary the SkRegion is converted to a Path via getBoundaryPath().
34 */ 34 */
35 static void BitsToPath_Region(SkPath* path, const char* bitmap, 35 static void BitsToPath_Region(SkPath* path, const char* bitmap,
36 int h, int w, int stride); 36 int w, int h, int rowBytes);
37 37
38 }; 38 };
39 39
40 #endif 40 #endif
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