| 1 | // LAF Gfx Library |
| 2 | // Copyright (C) 2019 Igara Studio S.A. |
| 3 | // |
| 4 | // This file is released under the terms of the MIT license. |
| 5 | // Read LICENSE.txt for more information. |
| 6 | |
| 7 | #ifdef HAVE_CONFIG_H |
| 8 | #include "config.h" |
| 9 | #endif |
| 10 | |
| 11 | #include "gfx/region.h" |
| 12 | |
| 13 | namespace gfx { |
| 14 | |
| 15 | inline Rect to_rect(const SkIRect& rc) |
| 16 | { |
| 17 | return Rect(rc.x(), rc.y(), rc.width(), rc.height()); |
| 18 | } |
| 19 | |
| 20 | Region::Region() |
| 21 | { |
| 22 | } |
| 23 | |
| 24 | Region::Region(const Region& copy) |
| 25 | : m_region(copy.m_region) |
| 26 | { |
| 27 | } |
| 28 | |
| 29 | Region::Region(const Rect& rect) |
| 30 | : m_region(SkIRect::MakeXYWH(rect.x, rect.y, rect.w, rect.h)) |
| 31 | { |
| 32 | } |
| 33 | |
| 34 | Region& Region::operator=(const Rect& rect) |
| 35 | { |
| 36 | m_region.setRect(SkIRect::MakeXYWH(rect.x, rect.y, rect.w, rect.h)); |
| 37 | return *this; |
| 38 | } |
| 39 | |
| 40 | Region& Region::operator=(const Region& copy) |
| 41 | { |
| 42 | m_region = copy.m_region; |
| 43 | return *this; |
| 44 | } |
| 45 | |
| 46 | Region::iterator Region::begin() |
| 47 | { |
| 48 | iterator it; |
| 49 | it.m_it = SkRegion::Iterator(m_region); |
| 50 | return it; |
| 51 | } |
| 52 | |
| 53 | Region::iterator Region::end() |
| 54 | { |
| 55 | return iterator(); |
| 56 | } |
| 57 | |
| 58 | Region::const_iterator Region::begin() const |
| 59 | { |
| 60 | iterator it; |
| 61 | it.m_it = SkRegion::Iterator(m_region); |
| 62 | return it; |
| 63 | } |
| 64 | |
| 65 | Region::const_iterator Region::end() const |
| 66 | { |
| 67 | return iterator(); |
| 68 | } |
| 69 | |
| 70 | Rect Region::bounds() const |
| 71 | { |
| 72 | return to_rect(m_region.getBounds()); |
| 73 | } |
| 74 | |
| 75 | Region::Overlap Region::contains(const Rect& rect) const |
| 76 | { |
| 77 | auto rc = SkIRect::MakeXYWH(rect.x, rect.y, rect.w, rect.h); |
| 78 | if (m_region.contains(rc)) |
| 79 | return In; |
| 80 | else if (m_region.intersects(rc)) |
| 81 | return Part; |
| 82 | else |
| 83 | return Out; |
| 84 | } |
| 85 | |
| 86 | } // namespace gfx |
| 87 | |