-/*
- * Handling of colour (RGB) images
- */
-/*
- * This is part of ypp-sc-tools, a set of third-party tools for assisting
- * players of Yohoho Puzzle Pirates.
- *
- * Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- *
- * Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
- * are used without permission. This program is not endorsed or
- * sponsored by Three Rings.
- */
-
-#include "convert.h"
-
-/*
- *
- *
- * widgets.txt
- * format
- *
- * <magic>
- *
- * <context>
- * <string>
- * ppmnoraw depth 8
- *
- * <context>
- * <string>
- * ppmnoraw depth 8
- * .
- *
- */
-
-#include "convert.h"
-
-static int identify1(const RgbImage *base, Rect portion,
- char result[MAXIMGIDENT], const char *what,
- const char *which, int (*opener)(const char *fn)) {
- char *dbfile_name= masprintf("_%s-pixmap.txt",which);
- if (!opener(dbfile_name))
- goto not_found;
-
-#define FGETSLINE (dbfile_getsline(result,MAXIMGIDENT,__FILE__,__LINE__))
-
- FGETSLINE;
- dbassert(!strcmp(result,"# ypp-sc-tools pctb pixmaps v1"));
-
- void *row= 0;
- size_t rowa= 0;
-
- for (;;) {
- FGETSLINE;
- if (!result[0] || result[0]=='#') continue;
- if (!strcmp(result,".")) break;
-
- char magic[10];
- dbfile_getsline(magic,sizeof(magic),__FILE__,__LINE__);
-
- dbassert(!strcmp(magic,"P3"));
- int w,h,maxval;
- dbassert( dbfile_scanf("%d %d %d",&w,&h,&maxval) == 3);
- dbassert(w>0); dbassert(h>0); dbassert(maxval==255);
-
- if (rowa < w) {
- rowa= w;
- row= mrealloc(row, rowa*3);
- }
- int diff= w != RECT_W(portion) || h != RECT_H(portion);
-
- int x,y,i;
- for (y=0; y<h; y++) {
- for (x=0; x<w; x++) {
- uint32_t rgb=0;
- for (i=0; i<3; i++) {
- int c;
- dbassert( dbfile_scanf("%d",&c) == 1);
- dbassert(c>=0 && c<=255);
- rgb |= (Rgb)c << (i*8);
- }
- int px= portion.tl.x + x, py= portion.tl.y + y;
- diff |= px > portion.br.x || py > portion.br.y ||
- rgb != ri_rgb(base,px,py);
- }
- }
- if (!diff) {
- progress_log("Identified %s image: %s.",what,result);
- goto found;
- }
- }
- not_found:
- result[0]= 0;
-
- found:
- dbfile_close();
- free(dbfile_name);
- return !!result[0];
-}
-
-static int identify(const RgbImage *base, Rect portion,
- char result[MAXIMGIDENT], const char *what) {
- return identify1(base,portion,result,what, "master", dbfile_gzopen) ||
- identify1(base,portion,result,what, "local", dbfile_open);
-}
-
-void fwrite_ppmraw(FILE *f, const RgbImage *ri) {
- int i;
- fprintf(f,
- "P6\n"
- "%d %d\n"
- "255\n", ri->w, ri->h);
- for (i=0; i < ri->w * ri->h; i++) {
- Rgb rgb= ri->data[i];
- fputc_unlocked(rgb >> 0, f);
- fputc_unlocked(rgb >> 8, f);
- fputc_unlocked(rgb >> 16, f);
- }
- sysassert(!ferror(f));
- sysassert(!fflush(f));
-}
-
-static void fwrite_ppm(FILE *f, const RgbImage *base, Rect portion) {
- int x,y,i;
- fprintf(f,"P3\n%d %d\n255\n", RECT_W(portion), RECT_H(portion));
- for (y=portion.tl.y; y<=portion.br.y; y++) {
- for (x=portion.tl.x; x<=portion.br.x; x++) {
- putc(' ',f);
- Rgb rgb= ri_rgb(base,x,y);
- for (i=0; i<3; i++)
- fprintf(f," %3d", (rgb>>(i*8)) & 0xff);
- }
- putc('\n',f);
- }
- sysassert(!ferror(f));
- sysassert(!fflush(f));
-}
-
-void identify_rgbimage(const RgbImage *base, Rect portion,
- char result[MAXIMGIDENT], const char *what) {
- static int synced;
-
- if (!synced) {
- if (o_flags & ff_dict_fetch)
- fetch_with_rsync_gz("pixmap");
- synced++;
- }
-
- for (;;) {
- int ok= identify(base, portion, result, what);
- if (ok) return;
-
- if (DEBUGP(pixmap))
- fwrite_ppm(stderr,base,portion);
-
- FILE *resolver= resolve_start();
- if (!resolver)
- fatal("Image recognition failed - unrecognised island.\n"
- "See FIXME.FIXME\n");
-
- fprintf(resolver, "pixmap\n" "%s\n", what);
- fwrite_ppm(resolver, base, portion);
- putc('\n',resolver);
-
- resolve_finish();
- }
-}
-
-RgbImage *alloc_rgb_image(int w, int h) {
- RgbImage *ri;
- ri= mmalloc(sizeof(*ri) + w*h*sizeof(ri->data[0]));
- ri->w= w;
- ri->h= h;
- return ri;
-}
~yarrgweb / ypp-sc-tools.db-test.git / blobdiff