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72 lines
1.9 KiB
C
72 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef LABWC_GRAPHIC_HELPERS_H
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#define LABWC_GRAPHIC_HELPERS_H
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#include <cairo.h>
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#include <wayland-server-core.h>
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struct wlr_scene_tree;
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struct wlr_scene_rect;
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struct wlr_fbox;
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struct border_rect {
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struct wlr_scene_tree *tree;
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int border_width; /* read-only */
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/* Private */
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struct wlr_scene_rect *top;
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struct wlr_scene_rect *bottom;
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struct wlr_scene_rect *left;
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struct wlr_scene_rect *right;
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struct wlr_scene_rect *bg;
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struct wl_listener destroy;
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};
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struct multi_rect {
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struct wlr_scene_tree *tree;
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/* Private */
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struct border_rect *border_rects[3];
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struct wl_listener destroy;
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};
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/**
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* Create a new rectangular with a single border (border_rect).
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*
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* bg_color can take NULL, in which case no background is rendered.
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*
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* A border_rect can be positioned by positioning border_rect->tree->node.
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*
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* It can be destroyed by destroying its tree node (or one of its parent nodes).
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* Once the tree node has been destroyed the struct will be free'd automatically.
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*/
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struct border_rect *border_rect_create(struct wlr_scene_tree *parent,
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float border_color[4], float bg_color[4], int border_width);
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void border_rect_set_size(struct border_rect *rect, int width, int height);
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/**
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* Create a new multi_rect.
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*
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* A multi_rect consists of 3 nested border_rects without a background.
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* Each of the border_rect is using the same @line_width but its own color
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* based on the @colors argument.
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*/
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struct multi_rect *multi_rect_create(struct wlr_scene_tree *parent,
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float *colors[3], int line_width);
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void multi_rect_set_size(struct multi_rect *rect, int width, int height);
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/**
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* Sets the cairo color.
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* Splits a float[4] single color array into its own arguments
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*/
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void set_cairo_color(cairo_t *cairo, const float *color);
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/* Draws a border with a specified line width */
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void draw_cairo_border(cairo_t *cairo, struct wlr_fbox fbox, double line_width);
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struct lab_data_buffer;
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#endif /* LABWC_GRAPHIC_HELPERS_H */
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