gfx/skia/trunk/include/utils/SkPathUtils.h@6474c204b198
gfx/skia/trunk/include/utils/SkPathUtils.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
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 */
9 #ifndef SkPathUtils_DEFINED
10 #define SkPathUtils_DEFINED
12 #include "SkPath.h"
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 */
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);
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);
38 };
40 #endif
