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38 lines
1.2 KiB
C
38 lines
1.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef LABWC_SCALED_IMG_BUFFER_H
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#define LABWC_SCALED_IMG_BUFFER_H
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#include <stdbool.h>
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struct wlr_scene_tree;
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struct wlr_scene_node;
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struct wlr_scene_buffer;
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struct lab_img;
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struct scaled_img_buffer {
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struct scaled_scene_buffer *scaled_buffer;
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struct wlr_scene_buffer *scene_buffer;
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struct lab_img *img;
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int width;
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int height;
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int padding;
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};
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/*
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* Create an auto scaling image buffer, providing a wlr_scene_buffer node for
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* display. It gets destroyed automatically when the backing scaled_scene_buffer
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* is being destroyed which in turn happens automatically when the backing
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* wlr_scene_buffer (or one of its parents) is being destroyed.
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*/
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struct scaled_img_buffer *scaled_img_buffer_create(struct wlr_scene_tree *parent,
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struct lab_img *img, int width, int height, int padding);
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/* Update image, width, height and padding of the scaled_img_buffer */
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void scaled_img_buffer_update(struct scaled_img_buffer *self,
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struct lab_img *img, int width, int height, int padding);
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/* Obtain scaled_img_buffer from wlr_scene_node */
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struct scaled_img_buffer *scaled_img_buffer_from_node(struct wlr_scene_node *node);
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#endif /* LABWC_SCALED_IMG_BUFFER_H */
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