summaryrefslogtreecommitdiff
path: root/src/display.h
blob: e518b345ba0ca4c9aca77da3adb3a68108928a68 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
#include <stddef.h>
#include <stdint.h>

#include <termios.h>

struct display {
  struct termios term;
  struct termios orig_term;
  uint32_t width;
  uint32_t height;
};

struct render_command;
struct command_list;

struct display display_create();
void display_resize(struct display *display);
void display_destroy(struct display *display);

void display_clear(struct display *display);
void display_move_cursor(struct display *display, uint32_t row, uint32_t col);

void display_begin_render(struct display *display);
void display_render(struct display *display, struct command_list *command_list);
void display_end_render(struct display *display);

typedef void *(*alloc_fn)(size_t);
struct command_list *command_list_create(uint32_t capacity, alloc_fn allocator,
                                         uint32_t xoffset, uint32_t yoffset,
                                         const char *name);

void command_list_set_index_color_bg(struct command_list *list,
                                     uint8_t color_idx);
void command_list_set_color_bg(struct command_list *list, uint8_t red,
                               uint8_t green, uint8_t blue);
void command_list_set_index_color_fg(struct command_list *list,
                                     uint8_t color_idx);
void command_list_set_color_fg(struct command_list *list, uint8_t red,
                               uint8_t green, uint8_t blue);
void command_list_reset_color(struct command_list *list);
void command_list_draw_text(struct command_list *list, uint32_t col,
                            uint32_t row, uint8_t *data, uint32_t len);
void command_list_draw_text_copy(struct command_list *list, uint32_t col,
                                 uint32_t row, uint8_t *data, uint32_t len);