62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
#ifndef __geom_h
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#define __geom_h
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typedef struct Point {
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int x;
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int y;
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} Point;
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#define POINT_SET(pt, nx, ny) (pt).x = (nx), (pt).y = (ny)
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typedef struct Size {
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int width;
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int height;
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} Size;
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#define SIZE_SET(sz, w, h) (sz).width = (w), (sz).height = (h)
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typedef struct Rect {
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int x;
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int y;
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int width;
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int height;
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} Rect;
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#define RECT_SET_POINT(r, nx, ny) \
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(r).x = (ny), (r).y = (ny)
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#define RECT_SET_SIZE(r, w, h) \
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(r).width = (w), (r).height = (h)
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#define RECT_SET(r, nx, ny, w, h) \
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(r).x = (nx), (r).y = (ny), (r).width = (w), (r).height = (h)
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#define RECT_EQUAL(r1, r2) ((r1).x == (r2).x && (r1).y == (r2).y && \
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(r1).width == (r2).width && \
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(r1).height == (r2).height)
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#define RECT_CONTAINS(r, x, y) \
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((x) >= (r).x && (x) < (r).x + (r).width && \
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(y) >= (r).y && (y) < (r).y + (r).height)
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#define RECT_CONTAINS_RECT(r, o) \
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((o).x >= (r).x && (o).x + (o).width <= (r).x + (r).width && \
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(o).y >= (r).y && (o).y + (o).height <= (r).y + (r).height)
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#define RECT_INTERSECTS_RECT(r, o) \
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((o).x < (r).x + (r).width && (o).x + (o).width > (r).x && \
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(o).y < (r).y + (r).height && (o).y + (o).height > (r).y)
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typedef struct Strut {
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int left;
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int top;
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int right;
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int bottom;
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} Strut;
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#define STRUT_SET(s, l, t, r, b) \
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(s).left = (l), (s).top = (t), (s).right = (r), (s).bottom = (b)
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#define STRUT_ADD(s1, s2) \
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(s1).left = MAX((s1).left, (s2).left), \
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(s1).right = MAX((s1).right, (s2).right), \
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(s1).top = MAX((s1).top, (s2).top), \
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(s1).bottom = MAX((s1).bottom, (s2).bottom)
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#endif
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