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gr-utils: add new png2gr_text util

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This commit is contained in:
Vince Weaver 2018-11-19 15:25:25 -05:00
parent e441cd4420
commit 3eb5e013fa
3 changed files with 75 additions and 4 deletions
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14
gr-utils/Makefile
View File

@ -2,7 +2,7 @@ include ../Makefile.inc
CFLAGS = -g -Wall -O2
all: png2gr png2rle png_to_40x48d png_to_40x96
all: png2gr png2gr_text png2rle png_to_40x48d png_to_40x96
###
@ -21,6 +21,14 @@ png2gr.o: png2gr.c loadpng.h
###
png2gr_text: png2gr_text.o loadpng.o
$(CC) $(LFLAGS) -lpng -o png2gr_text png2gr_text.o loadpng.o
png2gr_text.o: png2gr_text.c loadpng.h
$(CC) $(CFLAGS) -c png2gr_text.c
###
png2rle: png2rle.o loadpng.o
$(CC) $(LFLAGS) -lpng -o png2rle png2rle.o loadpng.o
@ -48,8 +56,8 @@ png_to_40x96.o: png_to_40x96.c
###
install:
cp png2gr png2rle png_to_40x48d png_to_40x96 $(INSTALL_LOC)
cp png2gr png2gr_text png2rle png_to_40x48d png_to_40x96 $(INSTALL_LOC)
clean:
rm -f *~ *.o png2gr png2rle png_to_40x48d png_to_40x96
rm -f *~ *.o png2gr png2gr_text png2rle png_to_40x48d png_to_40x96

2
gr-utils/png2gr.c
View File

@ -40,7 +40,7 @@ int main(int argc, char **argv) {
exit(-1);
}
printf("Loaded image %d by %d\n",xsize,ysize);
fprintf(stderr,"Loaded image %d by %d\n",xsize,ysize);
short gr_offsets[]={
0x400,0x480,0x500,0x580,0x600,0x680,0x700,0x780,

63
gr-utils/png2gr_text.c Normal file
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@ -0,0 +1,63 @@
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include "loadpng.h"
/* Converts a PNG to a GR file you can BLOAD to 0x400 */
/* HOWEVER you *never* want to do this in real life */
/* as it will clobber important values in the memory holes */
int main(int argc, char **argv) {
int row=0;
int col=0;
int x;
unsigned char out_buffer[1024];
unsigned char *image;
int xsize,ysize;
FILE *outfile;
if (argc<3) {
fprintf(stderr,"Usage:\t%s INFILE OUTFILE\n\n",argv[0]);
exit(-1);
}
outfile=fopen(argv[2],"w");
if (outfile==NULL) {
fprintf(stderr,"Error! Could not open %s\n",argv[2]);
exit(-1);
}
if (loadpng(argv[1],&image,&xsize,&ysize)<0) {
fprintf(stderr,"Error loading png!\n");
exit(-1);
}
fprintf(stderr,"Loaded image %d by %d\n",xsize,ysize);
short gr_offsets[]={
0x400,0x480,0x500,0x580,0x600,0x680,0x700,0x780,
0x428,0x4a8,0x528,0x5a8,0x628,0x6a8,0x728,0x7a8,
0x450,0x4d0,0x550,0x5d0,0x650,0x6d0,0x750,0x7d0,
};
memset(out_buffer,0,1024);
for(row=0;row<24;row++) {
for(col=0;col<40;col++) {
out_buffer[(gr_offsets[row]-0x400)+col]=image[row*xsize+col];
}
}
for(x=0;x<1024;x++) fputc( out_buffer[x],outfile);
fclose(outfile);
return 0;
}