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34 lines
880 B
C
34 lines
880 B
C
/*
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* This an unstable interface of wlroots. No guarantees are made regarding the
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* future consistency of this API.
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*/
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#ifndef WLR_USE_UNSTABLE
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#error "Add -DWLR_USE_UNSTABLE to enable unstable wlroots features"
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#endif
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#ifndef WLR_UTIL_TRANSFORM_H
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#define WLR_UTIL_TRANSFORM_H
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#include <wayland-server-protocol.h>
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/**
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* Returns the transform that, when composed with `tr`, gives
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* `WL_OUTPUT_TRANSFORM_NORMAL`.
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*/
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enum wl_output_transform wlr_output_transform_invert(
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enum wl_output_transform tr);
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/**
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* Returns a transform that, when applied, has the same effect as applying
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* sequentially `tr_a` and `tr_b`.
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*/
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enum wl_output_transform wlr_output_transform_compose(
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enum wl_output_transform tr_a, enum wl_output_transform tr_b);
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/**
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* Applies a transform to coordinates.
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*/
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void wlr_output_transform_coords(enum wl_output_transform tr, int *x, int *y);
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#endif
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