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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 SkPathOpBounds_DEFINED | 7 #ifndef SkPathOpBounds_DEFINED |
8 #define SkPathOpBounds_DEFINED | 8 #define SkPathOpBounds_DEFINED |
9 | 9 |
10 #include "SkPathOpsRect.h" | 10 #include "SkPathOpsRect.h" |
11 #include "SkRect.h" | 11 #include "SkRect.h" |
12 | 12 |
13 // SkPathOpsBounds, unlike SkRect, does not consider a line to be empty. | 13 // SkPathOpsBounds, unlike SkRect, does not consider a line to be empty. |
14 struct SkPathOpsBounds : public SkRect { | 14 struct SkPathOpsBounds : public SkRect { |
15 static bool Intersects(const SkPathOpsBounds& a, const SkPathOpsBounds& b) { | 15 static bool Intersects(const SkPathOpsBounds& a, const SkPathOpsBounds& b) { |
16 return a.fLeft <= b.fRight && b.fLeft <= a.fRight && | 16 return a.fLeft <= b.fRight && b.fLeft <= a.fRight && |
17 a.fTop <= b.fBottom && b.fTop <= a.fBottom; | 17 a.fTop <= b.fBottom && b.fTop <= a.fBottom; |
18 } | 18 } |
19 | 19 |
20 // FIXME: add() is generically useful and could be added directly to SkRect | 20 // Note that add(), unlike SkRect::join() or SkRect::growToInclude() |
| 21 // does not treat the bounds of horizontal and vertical lines as |
| 22 // empty rectangles. |
21 void add(SkScalar left, SkScalar top, SkScalar right, SkScalar bottom) { | 23 void add(SkScalar left, SkScalar top, SkScalar right, SkScalar bottom) { |
22 if (left < fLeft) fLeft = left; | 24 if (left < fLeft) fLeft = left; |
23 if (top < fTop) fTop = top; | 25 if (top < fTop) fTop = top; |
24 if (right > fRight) fRight = right; | 26 if (right > fRight) fRight = right; |
25 if (bottom > fBottom) fBottom = bottom; | 27 if (bottom > fBottom) fBottom = bottom; |
26 } | 28 } |
27 | 29 |
28 void add(const SkPathOpsBounds& toAdd) { | 30 void add(const SkPathOpsBounds& toAdd) { |
29 add(toAdd.fLeft, toAdd.fTop, toAdd.fRight, toAdd.fBottom); | 31 add(toAdd.fLeft, toAdd.fTop, toAdd.fRight, toAdd.fBottom); |
30 } | 32 } |
(...skipping 21 matching lines...) Expand all Loading... |
52 fLeft = fRight = pt.fX; | 54 fLeft = fRight = pt.fX; |
53 fTop = fBottom = pt.fY; | 55 fTop = fBottom = pt.fY; |
54 } | 56 } |
55 | 57 |
56 typedef SkRect INHERITED; | 58 typedef SkRect INHERITED; |
57 }; | 59 }; |
58 | 60 |
59 extern void (SkPathOpsBounds::*SetCurveBounds[])(const SkPoint[]); | 61 extern void (SkPathOpsBounds::*SetCurveBounds[])(const SkPoint[]); |
60 | 62 |
61 #endif | 63 #endif |
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