Documentation for <wlr/util/transform.h>

Table of contents

enum wl_output_transform wlr_output_transform_compose(enum wl_output_transform tr_a, enum wl_output_transform tr_b);

Returns a transform that, when applied, has the same effect as applying sequentially `tr_a` and `tr_b`.

void wlr_output_transform_coords(enum wl_output_transform tr, int *x, int *y);

Applies a transform to coordinates.

enum wl_output_transform wlr_output_transform_invert(enum wl_output_transform tr);

Returns the transform that, when composed with `tr`, gives `WL_OUTPUT_TRANSFORM_NORMAL`.