115 lines
2.3 KiB
C
115 lines
2.3 KiB
C
/* ____ ____ ______ ____ ___
|
|
|| \\ || | || | || \\ // \\
|
|
||_// ||== || ||_// (( ))
|
|
|| \\ ||___ || || \\ \\_//
|
|
a personal, minimalistic forth
|
|
|
|
This loads an image file and generates a C formatted
|
|
output. It's used to create the `image.c` that gets
|
|
linked into `rre`.
|
|
|
|
Copyright (c) 2016-2019 Charles Childers
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
|
|
#ifndef BIT64
|
|
#define CELL int32_t
|
|
#define CELL_MIN INT_MIN + 1
|
|
#define CELL_MAX INT_MAX - 1
|
|
#else
|
|
#define CELL int64_t
|
|
#define CELL_MIN LLONG_MIN + 1
|
|
#define CELL_MAX LLONG_MAX - 1
|
|
#endif
|
|
|
|
#define KiB * 1024
|
|
CELL memory[128 KiB];
|
|
char source[16 KiB];
|
|
|
|
void read_line(FILE *file, char *line_buffer) {
|
|
int ch, count;
|
|
if (file == NULL || line_buffer == NULL)
|
|
{
|
|
printf("Error: file or line buffer pointer is null.");
|
|
exit(1);
|
|
}
|
|
ch = getc(file);
|
|
count = 0;
|
|
while ((ch != '\n') && (ch != EOF)) {
|
|
line_buffer[count] = ch;
|
|
count++;
|
|
ch = getc(file);
|
|
}
|
|
line_buffer[count] = '\0';
|
|
}
|
|
|
|
CELL ngaLoadImage(char *imageFile) {
|
|
FILE *fp;
|
|
CELL imageSize;
|
|
long fileLen;
|
|
if ((fp = fopen(imageFile, "rb")) != NULL) {
|
|
/* Determine length (in cells) */
|
|
fseek(fp, 0, SEEK_END);
|
|
fileLen = ftell(fp) / sizeof(CELL);
|
|
rewind(fp);
|
|
/* Read the file into memory */
|
|
imageSize = fread(&memory, sizeof(CELL), fileLen, fp);
|
|
fclose(fp);
|
|
}
|
|
else {
|
|
printf("Unable to find the ngaImage!\n");
|
|
exit(1);
|
|
}
|
|
return imageSize;
|
|
}
|
|
|
|
void extract(char *fname, int32_t size) {
|
|
char *buffer = (char *)source;
|
|
FILE *fp;
|
|
int32_t i;
|
|
int32_t n;
|
|
|
|
fp = fopen(fname, "r");
|
|
if (fp == NULL)
|
|
return;
|
|
while (!feof(fp)) {
|
|
read_line(fp, buffer);
|
|
if (strcmp(buffer, "<<<IMAGE>>>") == 0) {
|
|
i = 0;
|
|
n = 0;
|
|
while (i < size) {
|
|
n++;
|
|
if (n == 20) {
|
|
printf("\n");
|
|
n = 0;
|
|
}
|
|
if (i+1 < size)
|
|
printf("%d,", memory[i]);
|
|
else
|
|
printf("%d\n", memory[i]);
|
|
i++;
|
|
}
|
|
} else {
|
|
printf("%s\n", buffer);
|
|
}
|
|
}
|
|
fclose(fp);
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
int32_t size = 0;
|
|
|
|
if (argc == 2)
|
|
size = ngaLoadImage(argv[1]);
|
|
else
|
|
size = ngaLoadImage("ngaImage");
|
|
|
|
extract("interface/alternates/retro12.html", size);
|
|
|
|
exit(0);
|
|
}
|