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/* ========================================================================= */
/**
* @file output_manager.h
*
* @copyright
* Copyright 2025 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __WLMBE_OUTPUT_MANAGER_H__
#define __WLMBE_OUTPUT_MANAGER_H__
struct wl_display;
struct wlr_backend;
struct wlr_output_layout;
struct wlr_scene;
/** Forward declaration: Handle for output managers. */
typedef struct _wlmbe_output_manager_t wlmbe_output_manager_t;
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
/**
* Instantiates output managers for both `wlr-output-management-unstable-v1`
* and `xdg-output-unstable-v1`. Both will listen for output changes in
* `wlr_output_layout_ptr` and update the respective output configurations
* is requested so.
*
* @param wl_display_ptr
* @param wlr_scene_ptr
* @param wlr_output_layout_ptr
* @param wlr_backend_ptr
*
* @return Handle for the output managers, or NULL on error. Must be destroyed
* by @ref wlmbe_output_manager_destroy.
*/
wlmbe_output_manager_t *wlmbe_output_manager_create(
struct wl_display *wl_display_ptr,
struct wlr_scene *wlr_scene_ptr,
struct wlr_output_layout *wlr_output_layout_ptr,
struct wlr_backend *wlr_backend_ptr);
/**
* Destroy the output manager, returned from @ref wlmbe_output_manager_create.
*
* @param output_manager_ptr
*/
void wlmbe_output_manager_destroy(
wlmbe_output_manager_t *output_manager_ptr);
/**
* Scales all outputs by the provided scale factor.
*
* @param output_manager_ptr
* @param scale
*/
void wlmbe_output_manager_scale(
wlmbe_output_manager_t *output_manager_ptr,
double scale);
#ifdef __cplusplus
} // extern "C"
#endif // __cplusplus
#endif /* __WLMBE_OUTPUT_MANAGER_H__ */
/* == End of output_manager.h ============================================== */
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