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1 /*
2  * Copyright 2012 Google Inc.
3  *
4  * Use of this source code is governed by a BSD-style license that can be
5  * found in the LICENSE file.
6  */
7 #ifndef SkPathOpsRect_DEFINED
8 #define SkPathOpsRect_DEFINED
9 
10 #include "SkPathOpsPoint.h"
11 
12 class SkTCurve;
13 
14 struct SkDRect {
15     double fLeft, fTop, fRight, fBottom;
16 
addSkDRect17     void add(const SkDPoint& pt) {
18         fLeft = SkTMin(fLeft, pt.fX);
19         fTop = SkTMin(fTop, pt.fY);
20         fRight = SkTMax(fRight, pt.fX);
21         fBottom = SkTMax(fBottom, pt.fY);
22     }
23 
containsSkDRect24     bool contains(const SkDPoint& pt) const {
25         return approximately_between(fLeft, pt.fX, fRight)
26                 && approximately_between(fTop, pt.fY, fBottom);
27     }
28 
29     void debugInit();
30 
intersectsSkDRect31     bool intersects(const SkDRect& r) const {
32         SkASSERT(fLeft <= fRight);
33         SkASSERT(fTop <= fBottom);
34         SkASSERT(r.fLeft <= r.fRight);
35         SkASSERT(r.fTop <= r.fBottom);
36         return r.fLeft <= fRight && fLeft <= r.fRight && r.fTop <= fBottom && fTop <= r.fBottom;
37     }
38 
setSkDRect39     void set(const SkDPoint& pt) {
40         fLeft = fRight = pt.fX;
41         fTop = fBottom = pt.fY;
42     }
43 
widthSkDRect44     double width() const {
45         return fRight - fLeft;
46     }
47 
heightSkDRect48     double height() const {
49         return fBottom - fTop;
50     }
51 
setBoundsSkDRect52     void setBounds(const SkDConic& curve) {
53         setBounds(curve, curve, 0, 1);
54     }
55 
56     void setBounds(const SkDConic& curve, const SkDConic& sub, double tStart, double tEnd);
57 
setBoundsSkDRect58     void setBounds(const SkDCubic& curve) {
59         setBounds(curve, curve, 0, 1);
60     }
61 
62     void setBounds(const SkDCubic& curve, const SkDCubic& sub, double tStart, double tEnd);
63 
setBoundsSkDRect64     void setBounds(const SkDQuad& curve) {
65         setBounds(curve, curve, 0, 1);
66     }
67 
68     void setBounds(const SkDQuad& curve, const SkDQuad& sub, double tStart, double tEnd);
69 
70     void setBounds(const SkTCurve& curve);
71 
validSkDRect72     bool valid() const {
73         return fLeft <= fRight && fTop <= fBottom;
74     }
75 };
76 
77 #endif
78