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Add scaled_rect_buffer

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scaled_rect_buffer is an implementation of scaled_scene_buffer and shows
an auto-scaling bordered rectangle. This is intended for menu borders,
but can be also useful for other elements like window switcher items.

We will support rounded corners for scaled_rect_buffer in the future.
This commit is contained in:
tokyo4j 2024-11-23 14:17:15 +09:00 • committed by Johan Malm
parent 763ba6209e
commit 12cae9c7ee
3 changed files with 145 additions and 0 deletions
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31
include/common/scaled-rect-buffer.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef LABWC_SCALED_RECT_BUFFER_H
#define LABWC_SCALED_RECT_BUFFER_H
#include <stdint.h>
struct wlr_scene_tree;
struct wlr_scene_buffer;
struct scaled_scene_buffer;
struct scaled_rect_buffer {
struct wlr_scene_buffer *scene_buffer;
struct scaled_scene_buffer *scaled_buffer;
int width;
int height;
int border_width;
float fill_color[4];
float border_color[4];
};
/*
* Create an auto scaling borderd-rectangle buffer, providing a wlr_scene_buffer
* node for display. It gets destroyed automatically when the backing
* scaled_scene_buffer is being destroyed which in turn happens automatically
* when the backing wlr_scene_buffer (or one of its parents) is being destroyed.
*/
struct scaled_rect_buffer *scaled_rect_buffer_create(
struct wlr_scene_tree *parent, int width, int height, int border_width,
float fill_color[4], float border_color[4]);
#endif /* LABWC_SCALED_RECT_BUFFER_H */