c/geom.h

   1 #ifndef __geom_h
   2 #define __geom_h
   3
   4 #ifdef HAVE_ASSERT_H
   5 #  include <assert.h>
   6 #endif
   7
   8 typedef struct Point {
   9     int x;
  10     int y;
  11 } Point;
  12
  13 #define POINT_SET(pt, nx, ny) {pt.x = nx; pt.y = ny;}
  14
  15 typedef struct Size {
  16     int width;
  17     int height;
  18 } Size;
  19
  20 #define SIZE_SET(sz, w, h) {sz.width = w; sz.height = h;}
  21
  22 typedef struct Rect {
  23     int x;
  24     int y;
  25     int width;
  26     int height;
  27 } Rect;
  28
  29 #define RECT_SET_POINT(r, nx, ny) \
  30   {r.x = ny; r.y = ny;}
  31 #define RECT_SET_SIZE(r, w, h) \
  32   {r.width = w; r.height = h;}
  33 #define RECT_SET(r, nx, ny, w, h) \
  34   {r.x = nx; r.y = ny; r.width = w; r.height = h;}
  35
  36 #define RECT_EQUAL(r1, r2) (r1.x == r2.x && r1.y == r2.y && \
  37                             r1.width == r2.width && r1.height == r2.height)
  38
  39 typedef struct Strut {
  40     int left;
  41     int top;
  42     int right;
  43     int bottom;
  44 } Strut;
  45
  46 #define STRUT_SET(s, l, t, r, b) \
  47   {s.left = l; s.top = t; s.right = r; s.bottom = b; }
  48
  49 #define STRUT_ADD(s1, s2) \
  50   {s1.left = MAX(s1.left, s2.left); s1.right = MAX(s1.right, s2.right); \
  51    s1.top = MAX(s1.top, s2.top); s1.bottom = MAX(s1.bottom, s2.bottom); }
  52
  53 #endif