You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
1.7 KiB
49 lines
1.7 KiB
#pragma once
|
|
#include "base.h"
|
|
#include <stdio.h> // FILE cannot be forward declared
|
|
|
|
// A reusable buffer for glyphs, stored with its dimensions. Also some helpers
|
|
// for loading/saving from files and doing common operations that a UI layer
|
|
// might want to do. Not used by the VM.
|
|
|
|
typedef struct {
|
|
Glyph* buffer;
|
|
U16 height;
|
|
U16 width;
|
|
} Field;
|
|
|
|
void field_init(Field* field);
|
|
void field_init_fill(Field* field, Usz height, Usz width, Glyph fill_char);
|
|
void field_deinit(Field* field);
|
|
void field_resize_raw(Field* field, Usz height, Usz width);
|
|
void field_resize_raw_if_necessary(Field* field, Usz height, Usz width);
|
|
void field_copy(Field* src, Field* dest);
|
|
void field_fput(Field* field, FILE* stream);
|
|
|
|
typedef enum {
|
|
Field_load_error_ok = 0,
|
|
Field_load_error_cant_open_file = 1,
|
|
Field_load_error_too_many_columns = 2,
|
|
Field_load_error_too_many_rows = 3,
|
|
Field_load_error_no_rows_read = 4,
|
|
Field_load_error_not_a_rectangle = 5,
|
|
} Field_load_error;
|
|
|
|
Field_load_error field_load_file(char const* filepath, Field* field);
|
|
|
|
// A reusable buffer for the per-grid-cell flags. Similar to how Field is a
|
|
// reusable buffer for Glyph, Mbuf_reusable is for Mark. The naming isn't so
|
|
// great. Also like Field, the VM doesn't have to care about the buffer being
|
|
// reusable -- it only cares about a 'Mark*' type. (With the same dimensions of
|
|
// the 'Field*' buffer, since it uses them together.) There are no procedures
|
|
// for saving/loading Mark* buffers to/from disk, since we currently don't need
|
|
// that functionality.
|
|
|
|
typedef struct Mbuf_reusable {
|
|
Mark* buffer;
|
|
Usz capacity;
|
|
} Mbuf_reusable;
|
|
|
|
void mbuf_reusable_init(Mbuf_reusable* mbr);
|
|
void mbuf_reusable_ensure_size(Mbuf_reusable* mbr, Usz height, Usz width);
|
|
void mbuf_reusable_deinit(Mbuf_reusable* mbr);
|
|
|