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git://projects.qi-hardware.com/antorcha.git
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tool/: move dump_* from ant-txt to libant; add IO error checkint
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cf8c7f754d
commit
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@ -25,73 +25,6 @@
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#define H 16
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static void dump_binary(const uint8_t *canvas)
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{
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int x, y, i;
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uint8_t v;
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ssize_t wrote;
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for (x = 0; x != W; x++) {
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for (y = 0; y != H; y += 8) {
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v = 0;
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for (i = 0; i != 8; i++)
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if (canvas[((y+i)*W+x) >> 3] & (1 << (x & 7)))
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v |= 1 << i;
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wrote = write(1, &v, 1);
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if (wrote < 0) {
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perror("fwrite");
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exit(1);
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}
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if (!wrote) {
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fprintf(stderr, "short write\n");
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exit(1);
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}
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}
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}
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}
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static void dump_xbm(const uint8_t *canvas)
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{
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int x, y, i, n;
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uint8_t v = 0;
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printf("#define foo_width %d\n", W);
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printf("#define foo_height %d\n", H);
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printf("static unsigned char foo_bits[] = {\n");
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n = 0;
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for (y = 0; y != H; y++) {
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for (x = 0; x < W; x += 8) {
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if (n)
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printf("%s 0x%02x",
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(n-1) % 12 ? "," :
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n == 1 ? " " : ",\n ", v);
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v = 0;
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for (i = x; i != W && i != x+8; i++)
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if (canvas[(y*W+i) >> 3] & (1 << (i & 7)))
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v |= 1 << (i-x);
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n++;
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}
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}
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printf("%s 0x%02x};\n", (n-1) % 12 ? "," : ",\n ", v);
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}
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static void dump_text(const uint8_t *canvas)
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{
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int x, y;
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for (y = 0; y != H; y++) {
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for (x = 0; x != W; x++)
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if (canvas[(y*W+x) >> 3] & (1 << (x & 7)))
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putchar('#');
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else
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putchar('.');
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putchar('\n');
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}
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}
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static void usage(const char *name)
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{
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fprintf(stderr, "usage: %s [-b|-x] [-F font_dir ...] [text]\n", name);
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@ -105,7 +38,7 @@ int main(int argc, char **argv)
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uint8_t *canvas;
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const char *err;
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int binary = 0, xbm = 0;
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int i, c;
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int i, c, res;
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while ((c = getopt(argc, argv, "bF:x")) != EOF)
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switch (c) {
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@ -146,10 +79,18 @@ int main(int argc, char **argv)
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return 1;
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}
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if (binary)
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dump_binary(canvas);
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res = dump_binary(stdout, canvas, W, H);
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else if (xbm)
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dump_xbm(canvas);
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res = dump_xbm(stdout, canvas, W, H);
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else
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dump_text(canvas);
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res = dump_ascii(stdout, canvas, W, H);
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if (res < 0) {
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perror("write");
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exit(1);
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}
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if (fflush(stdout) == EOF) {
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perror("fflush");
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exit(1);
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}
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return 0;
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}
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@ -16,7 +16,7 @@ LIB = libant.a
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# _GNU_SOURCE for vasprintf
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CFLAGS = -g -Wall -D_GNU_SOURCE
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OBJS = edit.o font.o
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OBJS = edit.o font.o dump.o
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.PHONY: all ben clean spotless
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91
tools/libant/dump.c
Normal file
91
tools/libant/dump.c
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@ -0,0 +1,91 @@
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/*
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* tools/libant/dump.c - Antorcha raw image dump
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*
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* Written 2012 by Werner Almesberger
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* Copyright 2012 Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include "libant.h"
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int dump_binary(FILE *file, const void *canvas, int width, int height)
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{
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const uint8_t *p = canvas;
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int x, y, i;
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uint8_t v;
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for (x = 0; x != width; x++) {
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for (y = 0; y != height; y += 8) {
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v = 0;
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for (i = 0; i != 8; i++)
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if (p[((y+i)*width+x) >> 3] & (1 << (x & 7)))
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v |= 1 << i;
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if (fputc(v, file) == EOF)
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return -1;
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}
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}
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return 0;
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}
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int dump_xbm(FILE *file, const void *canvas, int width, int height)
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{
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const uint8_t *p = canvas;
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int x, y, i, n;
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uint8_t v = 0;
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if (fprintf(file, "#define foo_width %d\n", width) < 0)
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return -1;
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if (fprintf(file, "#define foo_height %d\n", height) < 0)
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return -1;
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if (fprintf(file, "static unsigned char foo_bits[] = {\n") < 0)
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return -1;
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n = 0;
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for (y = 0; y != height; y++) {
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for (x = 0; x < width; x += 8) {
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if (n)
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if (fprintf(file, "%s 0x%02x",
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(n-1) % 12 ? "," :
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n == 1 ? " " : ",\n ", v) < 0)
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return -1;
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v = 0;
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for (i = x; i != width && i != x+8; i++)
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if (p[(y*width+i) >> 3] & (1 << (i & 7)))
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v |= 1 << (i-x);
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n++;
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}
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}
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if (fprintf(file, "%s 0x%02x};\n", (n-1) % 12 ? "," : ",\n ", v) < 0)
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return -1;
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return 0;
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}
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int dump_ascii(FILE *file, const void *canvas, int width, int height)
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{
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const uint8_t *p = canvas;
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int x, y;
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for (y = 0; y != height; y++) {
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for (x = 0; x != width; x++)
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if (p[(y*width+x) >> 3] & (1 << (x & 7))) {
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if (fputc('#', file) == EOF)
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return -1;
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} else {
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if (fputc('.', file) == EOF)
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return -1;
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}
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if (fputc('\n', file) == EOF)
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return -1;
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}
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return 0;
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}
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@ -77,4 +77,8 @@ void add_font_dir(const char *name);
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void *apply_edits(int width, int height, const struct edit *e,
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const char **error);
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int dump_binary(FILE *file, const void *canvas, int width, int height);
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int dump_xbm(FILE *file, const void *canvas, int width, int height);
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int dump_ascii(FILE *file, const void *canvas, int width, int height);
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#endif /* !LIBANT_H */
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