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my-os-project2/kernel/flanterm/src/flanterm_backends/fb_private.h
2025-08-13 23:28:25 +02:00

122 lines
3.2 KiB
C

/* Copyright (C) 2022-2025 mintsuki and contributors.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FLANTERM_FB_PRIVATE_H
#define FLANTERM_FB_PRIVATE_H 1
#ifndef FLANTERM_IN_FLANTERM
#error "Do not use fb_private.h. Use interfaces defined in fb.h only."
#endif
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#ifdef __cplusplus
extern "C" {
#endif
#define FLANTERM_FB_FONT_GLYPHS 256
struct flanterm_fb_char {
uint32_t c;
uint32_t fg;
uint32_t bg;
};
struct flanterm_fb_queue_item {
size_t x, y;
struct flanterm_fb_char c;
};
struct flanterm_fb_context {
struct flanterm_context term;
void (*plot_char)(struct flanterm_context *ctx, struct flanterm_fb_char *c, size_t x, size_t y);
size_t font_width;
size_t font_height;
size_t glyph_width;
size_t glyph_height;
size_t font_scale_x;
size_t font_scale_y;
size_t offset_x, offset_y;
volatile uint32_t *framebuffer;
size_t pitch;
size_t width;
size_t height;
size_t bpp;
uint8_t red_mask_size, red_mask_shift;
uint8_t green_mask_size, green_mask_shift;
uint8_t blue_mask_size, blue_mask_shift;
size_t font_bits_size;
uint8_t *font_bits;
size_t font_bool_size;
bool *font_bool;
uint32_t ansi_colours[8];
uint32_t ansi_bright_colours[8];
uint32_t default_fg, default_bg;
uint32_t default_fg_bright, default_bg_bright;
size_t canvas_size;
uint32_t *canvas;
size_t grid_size;
size_t queue_size;
size_t map_size;
struct flanterm_fb_char *grid;
struct flanterm_fb_queue_item *queue;
size_t queue_i;
struct flanterm_fb_queue_item **map;
uint32_t text_fg;
uint32_t text_bg;
size_t cursor_x;
size_t cursor_y;
uint32_t saved_state_text_fg;
uint32_t saved_state_text_bg;
size_t saved_state_cursor_x;
size_t saved_state_cursor_y;
size_t old_cursor_x;
size_t old_cursor_y;
};
#ifdef __cplusplus
}
#endif
#endif