76 lines
1.6 KiB
C
76 lines
1.6 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, 2017 Charles Childers
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include <stdint.h>
|
|
|
|
#define CELL int32_t
|
|
CELL memory[512*1024];
|
|
|
|
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 output_header(int size) {
|
|
printf("#include <stdint.h>\n");
|
|
printf("int32_t ngaImageCells = %d;\n", size);
|
|
printf("int32_t ngaImage[] = { ");
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
int32_t size = 0;
|
|
int32_t i;
|
|
int32_t n;
|
|
|
|
if (argc == 2)
|
|
size = ngaLoadImage(argv[1]);
|
|
else
|
|
size = ngaLoadImage("ngaImage");
|
|
|
|
output_header(size);
|
|
|
|
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++;
|
|
}
|
|
exit(0);
|
|
}
|