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common/graphic-helpers: Add multi_rect

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Consolatis 2022-08-20 00:01:06 +02:00 • committed by Johan Malm
parent b5a0d74888
commit 8c8583ef94
3 changed files with 95 additions and 0 deletions
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34
include/common/graphic-helpers.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-only */
struct wlr_scene_tree;
struct wlr_scene_rect;
struct wl_listener;
struct multi_rect {
struct wlr_scene_tree *tree;
int line_width; /* read-only */
/* Private */
struct wlr_scene_rect *top[3];
struct wlr_scene_rect *bottom[3];
struct wlr_scene_rect *left[3];
struct wlr_scene_rect *right[3];
struct wl_listener destroy;
};
/**
* Create a new multi_rect.
* A multi_rect consists of 3 nested rectangular outlines.
* Each of the rectangular outlines is using the same @line_width
* but its own color based on the @colors argument.
*
* The multi-rect can be positioned by positioning multi_rect->tree->node.
*
* It can be destroyed by destroying its tree node (or one of its
* parent nodes). Once the tree node has been destroyed the struct
* will be free'd automatically.
*/
struct multi_rect *multi_rect_create(struct wlr_scene_tree *parent,
float *colors[3], int line_width);
void multi_rect_set_size(struct multi_rect *rect, int width, int height);