mirror of
git://projects.qi-hardware.com/antorcha.git
synced 2024-12-23 09:23:20 +02:00
265 lines
4.7 KiB
C
265 lines
4.7 KiB
C
/*
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* tools/ant-gui/ant-gui.c - Antorcha GUI
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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 <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include "SDL.h"
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#include "SDL_gfxPrimitives.h"
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#include <libant/libant.h>
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#define XRES 320 /* canvas width */
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#define YRES 240 /* canvas height */
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#define W 80 /* image width */
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#define H 16 /* image height */
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#define GAP 6
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#define NX ((XRES+GAP)/(W+GAP))
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#define NY ((YRES+GAP)/(H+GAP))
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#define FG_SEL_RGBA 0x000000ff
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#define BG_SEL_RGBA 0xffffffff
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#define FG_NORM_RGBA 0xffffffff
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#define BG_NORM_RGBA 0x000000ff
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#define FG_ACT_RGBA 0xff2020ff
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static void upload(const uint8_t *img)
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{
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FILE *file;
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file = popen("ant-cl -", "w");
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if (!file) {
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perror("ant-cl");
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exit(1);
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}
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if (dump_binary(file, img, W, H) < 0) {
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perror("ant-cl");
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fclose(file);
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exit(1);
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}
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if (fclose(file) < 0) {
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perror("ant-cl");
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exit(1);
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}
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}
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static void render(SDL_Surface *s, const uint8_t *img, int x, int y,
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int sel, int act)
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{
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int ix, iy;
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uint32_t fg = act ? FG_ACT_RGBA : sel ? FG_SEL_RGBA : FG_NORM_RGBA;
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uint32_t bg = sel ? BG_SEL_RGBA : BG_NORM_RGBA;
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for (iy = 0; iy != H; iy++)
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for (ix = 0; ix != W; ix++)
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if (img[(iy*W+ix) >> 3] & (1 << (ix & 7)))
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pixelColor(s, x+ix, y+iy, fg);
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else
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pixelColor(s, x+ix, y+iy, bg);
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}
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static void gui(uint8_t *const *imgs, int n)
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{
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SDL_Surface *surf;
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SDL_Event event;
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int x = 0, y = 0, y_top = 0;
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int dx, dy, do_upload;
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int ix, iy, i;
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int active = -1;
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if (SDL_Init(SDL_INIT_VIDEO) < 0) {
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fprintf(stderr, "SDL_init: %s\n", SDL_GetError());
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exit(1);
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}
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atexit(SDL_Quit);
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surf = SDL_SetVideoMode(XRES, YRES, 0, SDL_SWSURFACE);
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if (!surf) {
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fprintf(stderr, "SDL_SetVideoMode: %s\n", SDL_GetError());
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exit(1);
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}
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while (1) {
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dx = dy = do_upload = 0;
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SDL_WaitEvent(&event);
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switch (event.type) {
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case SDL_KEYDOWN:
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switch (event.key.keysym.sym) {
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case SDLK_UP:
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if (y > 0)
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dy = -1;
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break;
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case SDLK_DOWN:
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if ((y+1)*NX+x < n)
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dy = 1;
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break;
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case SDLK_RIGHT:
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dx = 1;
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break;
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case SDLK_LEFT:
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dx = -1;
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break;
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case SDLK_RETURN:
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do_upload = 1;
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break;
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case SDLK_q:
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return;
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default:
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break;
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}
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break;
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case SDL_QUIT:
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return;
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default:
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break;
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}
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x = (x+NX+dx) % NX;
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y += dy;
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if (y*NX+x >= n)
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x = n-y*NX-1;
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if (y < y_top)
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y_top = y;
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if (y >= y_top+NY)
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y_top = y-NY+1;
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if (do_upload) {
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i = y*NX+x;
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upload(imgs[i]);
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active = i;
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}
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SDL_LockSurface(surf);
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SDL_FillRect(surf, NULL, SDL_MapRGB(surf->format, 0, 0, 0));
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for (iy = 0; iy != NY; iy++)
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for (ix = 0; ix != NX; ix++) {
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i = (y_top+iy)*NX+ix;
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if (i >= n)
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break;
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render(surf, imgs[i],
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ix*(W+GAP), iy*(H+GAP),
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ix == x && y_top+iy == y, i == active);
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}
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SDL_UnlockSurface(surf);
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SDL_UpdateRect(surf, 0, 0, 0, 0);
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}
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}
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static void flush_edits(uint8_t ***imgs, int *n, struct edit *edits)
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{
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const char *err;
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if (!edits)
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return;
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*imgs = realloc(*imgs, sizeof(uint8_t **)*(*n+1));
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if (!*imgs) {
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perror("realloc");
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exit(1);
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}
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(*imgs)[*n] = apply_edits(W, H, edits, &err);
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if (!(*imgs)[*n]) {
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fprintf(stderr, "%s\n", err);
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exit(1);
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}
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(*n)++;
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free_edits(edits);
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}
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static void generate(uint8_t ***imgs, int *n, const char *path)
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{
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FILE *file;
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char buf[100];
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struct edit *edits = NULL, **last = &edits;
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const char *err;
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char *nl;
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file = fopen(path, "r");
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if (!file) {
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perror(path);
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exit(1);
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}
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while (fgets(buf, sizeof(buf), file)) {
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if (buf[0] == '#')
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continue;
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nl = strchr(buf, '\n');
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if (nl)
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*nl = 0;
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if (!buf[0]) {
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flush_edits(imgs, n, edits);
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edits = NULL;
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last = &edits;
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continue;
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}
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if (edits) {
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*last = malloc(sizeof(struct edit));
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if (!*last)
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abort();
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(*last)->type = edit_nl;
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last = &(*last)->next;
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}
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*last = text2edit(buf, &err);
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if (!*last) {
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fprintf(stderr, "\"%s\": %s\n", buf, err);
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exit(1);
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}
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while (*last)
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last = &(*last)->next;
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}
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fclose(file);
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flush_edits(imgs, n, edits);
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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 [-F font_dir ...] file ...\n", name);
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exit(1);
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}
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int main(int argc, char **argv)
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{
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uint8_t **imgs = NULL;
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int n = 0;
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int i, c;
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while ((c = getopt(argc, argv, "F:")) != EOF)
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switch (c) {
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case 'F':
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add_font_dir(optarg);
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break;
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default:
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usage(*argv);
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}
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if (optind == argc)
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usage(*argv);
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for (i = optind; i != argc; i++)
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generate(&imgs, &n, argv[i]);
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gui(imgs, n);
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exit(1);
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}
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