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Side by Side Diff: include/pathops/SkPathOps.h

Issue 18912002: Export SkPathOps.h functions for external use. (Closed) Base URL: https://skia.googlecode.com/svn/trunk
Patch Set: Created 7 years, 5 months ago
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1 /* 1 /*
2 * Copyright 2012 Google Inc. 2 * Copyright 2012 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 #ifndef SkPathOps_DEFINED 7 #ifndef SkPathOps_DEFINED
8 #define SkPathOps_DEFINED 8 #define SkPathOps_DEFINED
9 9
10 #include "SkPreConfig.h"
11
10 class SkPath; 12 class SkPath;
11 13
12 // FIXME: move everything below into the SkPath class 14 // FIXME: move everything below into the SkPath class
13 /** 15 /**
14 * The logical operations that can be performed when combining two paths. 16 * The logical operations that can be performed when combining two paths.
15 */ 17 */
16 enum SkPathOp { 18 enum SkPathOp {
17 kDifference_PathOp, //!< subtract the op path from the first path 19 kDifference_PathOp, //!< subtract the op path from the first path
18 kIntersect_PathOp, //!< intersect the two paths 20 kIntersect_PathOp, //!< intersect the two paths
19 kUnion_PathOp, //!< union (inclusive-or) the two paths 21 kUnion_PathOp, //!< union (inclusive-or) the two paths
20 kXOR_PathOp, //!< exclusive-or the two paths 22 kXOR_PathOp, //!< exclusive-or the two paths
21 kReverseDifference_PathOp, //!< subtract the first path from the op path 23 kReverseDifference_PathOp, //!< subtract the first path from the op path
22 }; 24 };
23 25
24 /** Set this path to the result of applying the Op to this path and the 26 /** Set this path to the result of applying the Op to this path and the
25 specified path: this = (this op operand). 27 specified path: this = (this op operand).
26 The resulting path will be constructed from non-overlapping contours. 28 The resulting path will be constructed from non-overlapping contours.
27 The curve order is reduced where possible so that cubics may be turned 29 The curve order is reduced where possible so that cubics may be turned
28 into quadratics, and quadratics maybe turned into lines. 30 into quadratics, and quadratics maybe turned into lines.
29 31
30 Returns true if operation was able to produce a result; 32 Returns true if operation was able to produce a result;
31 otherwise, result is unmodified. 33 otherwise, result is unmodified.
32 34
33 @param one The first operand (for difference, the minuend) 35 @param one The first operand (for difference, the minuend)
34 @param two The second operand (for difference, the subtrahend) 36 @param two The second operand (for difference, the subtrahend)
35 @param result The product of the operands. The result may be one of the 37 @param result The product of the operands. The result may be one of the
36 inputs. 38 inputs.
37 @return True if operation succeeded. 39 @return True if operation succeeded.
38 */ 40 */
39 bool Op(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result); 41 bool SK_API Op(const SkPath& one, const SkPath& two, SkPathOp op, SkPath* result );
40 42
41 /** Set this path to a set of non-overlapping contours that describe the 43 /** Set this path to a set of non-overlapping contours that describe the
42 same area as the original path. 44 same area as the original path.
43 The curve order is reduced where possible so that cubics may 45 The curve order is reduced where possible so that cubics may
44 be turned into quadratics, and quadratics maybe turned into lines. 46 be turned into quadratics, and quadratics maybe turned into lines.
45 47
46 Returns true if operation was able to produce a result; 48 Returns true if operation was able to produce a result;
47 otherwise, result is unmodified. 49 otherwise, result is unmodified.
48 50
49 @param path The path to simplify. 51 @param path The path to simplify.
50 @param result The simplified path. The result may be the input. 52 @param result The simplified path. The result may be the input.
51 @return True if simplification succeeded. 53 @return True if simplification succeeded.
52 */ 54 */
53 bool Simplify(const SkPath& path, SkPath* result); 55 bool SK_API Simplify(const SkPath& path, SkPath* result);
54 56
55 #endif 57 #endif
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