Dogcows Code - chaz/openbox/blob - otk/rect.cc

   1 #include "rect.hh"
   2
   3 namespace otk {
   4
   5 void Rect::setX(int x) {
   6   _x2 += x - _x1;
   7   _x1 = x;
   8 }
   9
  10
  11 void Rect::setY(int y)
  12 {
  13   _y2 += y - _y1;
  14   _y1 = y;
  15 }
  16
  17
  18 void Rect::setPos(int x, int y) {
  19   _x2 += x - _x1;
  20   _x1 = x;
  21   _y2 += y - _y1;
  22   _y1 = y;
  23 }
  24
  25
  26 void Rect::setWidth(unsigned int w) {
  27   _x2 = w + _x1 - 1;
  28 }
  29
  30
  31 void Rect::setHeight(unsigned int h) {
  32   _y2 = h + _y1 - 1;
  33 }
  34
  35
  36 void Rect::setSize(unsigned int w, unsigned int h) {
  37   _x2 = w + _x1 - 1;
  38   _y2 = h + _y1 - 1;
  39 }
  40
  41
  42 void Rect::setRect(int x, int y, unsigned int w, unsigned int h) {
  43   *this = Rect(x, y, w, h);
  44 }
  45
  46
  47 void Rect::setCoords(int l, int t, int r, int b) {
  48   _x1 = l;
  49   _y1 = t;
  50   _x2 = r;
  51   _y2 = b;
  52 }
  53
  54
  55 Rect Rect::operator|(const Rect &a) const {
  56   Rect b;
  57
  58   b._x1 = std::min(_x1, a._x1);
  59   b._y1 = std::min(_y1, a._y1);
  60   b._x2 = std::max(_x2, a._x2);
  61   b._y2 = std::max(_y2, a._y2);
  62
  63   return b;
  64 }
  65
  66
  67 Rect Rect::operator&(const Rect &a) const {
  68   Rect b;
  69
  70   b._x1 = std::max(_x1, a._x1);
  71   b._y1 = std::max(_y1, a._y1);
  72   b._x2 = std::min(_x2, a._x2);
  73   b._y2 = std::min(_y2, a._y2);
  74
  75   return b;
  76 }
  77
  78
  79 bool Rect::intersects(const Rect &a) const {
  80   return std::max(_x1, a._x1) <= std::min(_x2, a._x2) &&
  81          std::max(_y1, a._y1) <= std::min(_y2, a._y2);
  82 }
  83
  84
  85 bool Rect::contains(int x, int y) const {
  86   return x >= _x1 && x <= _x2 &&
  87          y >= _y1 && y <= _y2;
  88 }
  89
  90
  91 bool Rect::contains(const Rect& a) const {
  92   return a._x1 >= _x1 && a._x2 <= _x2 &&
  93          a._y1 >= _y1 && a._y2 <= _y2;
  94 }
  95
  96 }