mirror of
https://github.com/mintsuki/flanterm
synced 2024-11-30 08:33:21 +03:00
145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
/* Copyright (C) 2022-2024 mintsuki and contributors.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef FLANTERM_FB_H
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#define FLANTERM_FB_H 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stddef.h>
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#include <stdbool.h>
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#include "../flanterm.h"
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#ifndef FLANTERM_FB_DISABLE_BUMP_ALLOC
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# define FLANTERM_FB_DISABLE_CANVAS 1
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#endif
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#define FLANTERM_FB_FONT_GLYPHS 256
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struct flanterm_fb_char {
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uint32_t c;
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uint32_t fg;
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uint32_t bg;
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};
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struct flanterm_fb_queue_item {
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size_t x, y;
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struct flanterm_fb_char c;
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};
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struct flanterm_fb_context {
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struct flanterm_context term;
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size_t font_width;
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size_t font_height;
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size_t glyph_width;
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size_t glyph_height;
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size_t font_scale_x;
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size_t font_scale_y;
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size_t offset_x, offset_y;
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volatile uint32_t *framebuffer;
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size_t pitch;
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size_t width;
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size_t height;
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size_t bpp;
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uint8_t red_mask_size, red_mask_shift;
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uint8_t green_mask_size, green_mask_shift;
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uint8_t blue_mask_size, blue_mask_shift;
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size_t font_bits_size;
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uint8_t *font_bits;
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size_t font_bool_size;
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bool *font_bool;
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uint32_t ansi_colours[8];
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uint32_t ansi_bright_colours[8];
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uint32_t default_fg, default_bg;
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uint32_t default_fg_bright, default_bg_bright;
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#ifndef FLANTERM_FB_DISABLE_CANVAS
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size_t canvas_size;
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uint32_t *canvas;
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#endif
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size_t grid_size;
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size_t queue_size;
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size_t map_size;
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struct flanterm_fb_char *grid;
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struct flanterm_fb_queue_item *queue;
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size_t queue_i;
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struct flanterm_fb_queue_item **map;
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uint32_t text_fg;
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uint32_t text_bg;
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size_t cursor_x;
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size_t cursor_y;
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uint32_t saved_state_text_fg;
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uint32_t saved_state_text_bg;
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size_t saved_state_cursor_x;
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size_t saved_state_cursor_y;
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size_t old_cursor_x;
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size_t old_cursor_y;
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};
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struct flanterm_context *flanterm_fb_init(
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// If _malloc and _free are nulled, use the bump allocated instance (1 use only).
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void *(*_malloc)(size_t),
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void (*_free)(void *, size_t),
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uint32_t *framebuffer, size_t width, size_t height, size_t pitch,
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uint8_t red_mask_size, uint8_t red_mask_shift,
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uint8_t green_mask_size, uint8_t green_mask_shift,
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uint8_t blue_mask_size, uint8_t blue_mask_shift,
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#ifndef FLANTERM_FB_DISABLE_CANVAS
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uint32_t *canvas,
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#endif
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uint32_t *ansi_colours, uint32_t *ansi_bright_colours, // If nulled, default.
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uint32_t *default_bg, uint32_t *default_fg, // If nulled, default.
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uint32_t *default_bg_bright, uint32_t *default_fg_bright, // If nulled, default.
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// If font is null, use default font and font_width and font_height ignored.
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void *font, size_t font_width, size_t font_height, size_t font_spacing,
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// If scale_x and scale_y are 0, automatically scale font based on resolution.
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size_t font_scale_x, size_t font_scale_y,
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size_t margin
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);
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#ifdef __cplusplus
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}
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#endif
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#endif
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