ReC98/Pipeline/bmp2arrl.h

117 lines
3.6 KiB
C

#ifndef _BMP2ARRL_H
#define _BMP2ARRL_H
#include <stdio.h>
/* what to emit */
enum rec98_bmp2arr_output_type {
REC98_OUT_NONE=0,
REC98_OUT_C,
REC98_OUT_ASM,
REC98_OUT_BIN,
REC98_OUT_BMP,
BMP2ARR_OUTPUT_TYPE_COUNT,
};
/* conversion flags */
/* Whether to generate preshifted variations or not. Makes the bitmap one byte wider */
#define PRESHIFT_OUTER (1 << 0) /* [PRESHIFT][number][height] */
#define PRESHIFT_INNER (1 << 1) /* [number][PRESHIFT][height] */
#define UPSIDEDOWN (1 << 2) /* output upside down (ref. game 3 score bitmap) */
#define DEBUG_BMP_OUT (1 << 3) /* output file is bitmap read in (debugging) */
#define QUIET (1 << 4) /* don't print debug messages on stderr */
/* only used internally */
#define PRESHIFT_ANY (PRESHIFT_OUTER | PRESHIFT_INNER)
struct saveout_ctx {
unsigned int sscols,ssrows,spritenum,bytesperrow,sscol,ssrow,sspreshift;
FILE* fp; /* for that nice fprintf formatting if needed */
};
/* potential errors */
enum bmp2arr_error {
SUCCESS=0,
INTERNAL_ERROR_ERROR,
INTERNAL_NULLPTR,
INTERNAL_ARRAY_TOO_SMALL,
EXPECTED_ARGUMENT,
EXPECTED_SWITCH,
MISSING_INPUT_BMP,
MISSING_OUTPUT_FILE,
MISSING_OUTPUT_TYPE,
MISSING_SPRITE_WIDTH,
MISSING_SPRITE_HEIGHT,
INVALID_SWITCH,
INVALID_OUTPUT_TYPE,
INVALID_PRESHIFT,
INVALID_PRESHIFT_WIDTH,
INVALID_SPRITE_WIDTH,
INVALID_SPRITE_HEIGHT,
INPUT_OPEN_ERROR,
INPUT_OUT_OF_MEMORY,
INPUT_INVALID,
INPUT_TOO_SMALL,
INPUT_COLOR_AT,
INPUT_ALREADY_LOADED,
OUTPUT_NO_INPUT_LOADED,
OUTPUT_OPEN_ERROR,
OUTPUT_IO_ERROR,
BMP2ARR_ERROR_COUNT,
};
/* extended error information */
struct bmp2arr_error_info {
enum bmp2arr_error type;
const char* param_str;
int param_int[2];
};
/* the task at hand */
struct rec98_bmp2arr_task {
char* input_bmp;
char* output_symname; /* what to name the symbol */
char* output_file;
unsigned char output_type;
unsigned char sprite_width; /* 8, or 16 [https://github.com/nmlgc/ReC98/issues/8 ref. dots8_t, dots16_t] */
unsigned char sprite_height; /* according to list, either 4, 8, or 16 */
unsigned char flags; /* see flag list above */
/* error of the last operation */
struct bmp2arr_error_info err;
/* working state */
unsigned int bmp_width; /* width of bmp */
unsigned int bmp_height; /* height of bmp */
unsigned int bmp_stride; /* bytes per scanline */
unsigned char* bmp; /* bitmap in memory (NTS: All examples listed can easily fit in 64KB or less) */
};
void cstr_free(char **s);
void cstr_set(char **s,const char *n);
void rec98_bmp2arr_task_free_bmp(struct rec98_bmp2arr_task *t);
enum bmp2arr_error rec98_bmp2arr_task_init(struct rec98_bmp2arr_task *t);
enum bmp2arr_error rec98_bmp2arr_task_free(struct rec98_bmp2arr_task *t);
enum bmp2arr_error rec98_bmp2arr_save_debug_bmp_out(struct rec98_bmp2arr_task *t);
enum bmp2arr_error rec98_bmp2arr_save_output(struct rec98_bmp2arr_task *t);
enum bmp2arr_error rec98_bmp2arr_load_bitmap(struct rec98_bmp2arr_task *t);
enum bmp2arr_error bmp2arr_error_set(struct rec98_bmp2arr_task *t, enum bmp2arr_error type);
enum bmp2arr_error bmp2arr_error_set_str(struct rec98_bmp2arr_task *t, enum bmp2arr_error type, const char *param);
enum bmp2arr_error bmp2arr_error_set_int_int(struct rec98_bmp2arr_task *t, enum bmp2arr_error type, int param_1, int param_2);
enum bmp2arr_error bmp2arr_error_report(struct bmp2arr_error_info *err);
#endif /* _BMP2ARRL_H */