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1 /* | |
2 * Copyright 2010 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 | |
8 #ifndef GrRect_DEFINED | |
9 #define GrRect_DEFINED | |
10 | |
11 #include "SkTypes.h" | |
12 #include "SkRect.h" | |
13 | |
14 struct GrIRect16 { | |
15 int16_t fLeft, fTop, fRight, fBottom; | |
16 | |
17 static GrIRect16 SK_WARN_UNUSED_RESULT MakeEmpty() { | |
18 GrIRect16 r; | |
19 r.setEmpty(); | |
20 return r; | |
21 } | |
22 | |
23 static GrIRect16 SK_WARN_UNUSED_RESULT MakeWH(int16_t w, int16_t h) { | |
24 GrIRect16 r; | |
25 r.set(0, 0, w, h); | |
26 return r; | |
27 } | |
28 | |
29 static GrIRect16 SK_WARN_UNUSED_RESULT MakeXYWH(int16_t x, int16_t y, int16_
t w, int16_t h) { | |
30 GrIRect16 r; | |
31 r.set(x, y, x + w, y + h); | |
32 return r; | |
33 } | |
34 | |
35 int width() const { return fRight - fLeft; } | |
36 int height() const { return fBottom - fTop; } | |
37 int area() const { return this->width() * this->height(); } | |
38 bool isEmpty() const { return fLeft >= fRight || fTop >= fBottom; } | |
39 | |
40 void setEmpty() { memset(this, 0, sizeof(*this)); } | |
41 | |
42 void set(int16_t left, int16_t top, int16_t right, int16_t bottom) { | |
43 fLeft = left; | |
44 fTop = top; | |
45 fRight = right; | |
46 fBottom = bottom; | |
47 } | |
48 | |
49 void set(const SkIRect& r) { | |
50 fLeft = SkToS16(r.fLeft); | |
51 fTop = SkToS16(r.fTop); | |
52 fRight = SkToS16(r.fRight); | |
53 fBottom = SkToS16(r.fBottom); | |
54 } | |
55 }; | |
56 | |
57 #endif | |
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