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+absolute moving functions

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anon 2025-01-10 13:17:03 +01:00
parent 7409985bc3
commit 0de6ae8175
1 changed files with 37 additions and 0 deletions
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37
dyrect.h
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@ -18,6 +18,7 @@
// TODO: further macro hell x, y, width and height so they can be user overwritten too
// TODO: theres a logical inconsistency between ride-hang and rock-paper; either justify it or normalize it
// TODO: absolute sizing functions
/* Dyrect can use an arbitrary C style namespace,
* or use the prefix `dr_` if the following feature macro is requested.
@ -85,6 +86,8 @@ static inline rect_t DYRECT_PREFIX(get_unit_rect)(void);
static inline rect_t DYRECT_PREFIX(scaley)(rect_t a, float f);
static inline rect_t DYRECT_PREFIX(scalex)(rect_t a, float f);
static inline rect_t DYRECT_PREFIX(scale)(rect_t a, float f);
static inline rect_t DYRECT_PREFIX(shift)(rect_t source, int n);
static inline rect_t DYRECT_PREFIX(slip)(rect_t source, int n);
static inline rect_t DYRECT_PREFIX(balance)(rect_t dest, rect_t source);
static inline rect_t DYRECT_PREFIX(buoyance)(rect_t dest, rect_t source);
static inline rect_t DYRECT_PREFIX(center)(rect_t dest, rect_t source);
@ -183,6 +186,40 @@ rect_t DYRECT_PREFIX(scale)(rect_t a, float f) {
};
}
/* Move horizontally by an absolute number of units.
*
* +-+ __\ +-+
* +-+ / +-+
*
*/
static inline
rect_t DYRECT_PREFIX(shift)(rect_t source, int n) {
return (rect_t) {
.x = source.x + n,
.y = source.y,
.width = source.width,
.height = source.height,
};
}
/* Move vertically by an absolute number of units.
*
* +-+
* +-+
* V
* +-+
* +-+
*/
static inline
rect_t DYRECT_PREFIX(slip)(rect_t source, int n) {
return (rect_t) {
.x = source.x,
.y = source.y + n,
.width = source.width,
.height = source.height,
};
}
/* Align to the middle horizontally
*
* +---+---+---+