+++ /dev/null
-/*
- * Parsing of the structure of the YPP client's displayed image
- */
-/*
- * 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 "structure.h"
-
-DEBUG_DEFINE_DEBUGF(struct)
-
-#define START_MAIN {200,200}
-#define MIN_COLUMNS 6
-#define INTERESTING_COLUMNS 7
-#define TEXT_COLUMNS 2
-#define MAX_COLUMNS 7
-
-struct PageStruct {
- Rect mr;
- int commbasey, comminty;
- int colrightx[INTERESTING_COLUMNS];
-};
-
-const CanonImage *page_images[MAX_PAGES];
-static PageStruct page_structs[MAX_PAGES];
-const RgbImage *page0_rgbimage;
-int npages;
-
-static int text_h=-1, columns=-1;
-
-static OcrReader *rd;
-
-static const CanonImage *cim;
-static PageStruct s;
-
-char *archipelago, *island;
-
-#define OTHERCOORD_x y
-#define OTHERCOORD_y x
-
-
-void select_page(int page) {
- cim= page_images[page];
- s= page_structs[page];
- assert(cim);
-}
-
-
-typedef struct {
- Rgb rgbx; /* on screen, REVERSED BYTES ie r||g||b */
- char c; /* canonical */
-} CanonColourInfo;
-
-const CanonColourInfo canoncolourinfo_table[]= {
- { 0x475A5E, '*' }, /* edge */
- { 0x2C5F7A, '*' }, /* edge just under box heading shadow */
- { 0xC5C7AE, '*' }, /* blank area of partial commodities list */
- { 0x6B828C, '*' }, /* background of ship status meter area */
- { 0x934405, '*' }, /* border of ship meter area */
- { 0x7D9094, '+' }, /* interbox */
- { 0x022158, 'O' }, /* ahoy /w output foreground */
- { 0xB5B686, 'H' }, /* ahoy /w output heading background */
-
- { 0xBDC5BF, ' ' }, /* background - pale Sugar cane, etc. */
- { 0xADB5AF, ' ' }, /* background - dark */
- { 0xC7E1C3, ' ' }, /* background - pale Swill, etc. */
- { 0xB5CFB1, ' ' }, /* background - dark */
- { 0xD6CEB0, ' ' }, /* background - pale Madder, etc. */
- { 0xC8C0A2, ' ' }, /* background - dark */
- { 0xE0E1D3, ' ' }, /* background - pale Lorandite, etc. */
- { 0xD0D1C3, ' ' }, /* background - dark */
- { 0xE5E6C1, ' ' }, /* background - pale Cloth */
- { 0xD7D8B3, ' ' }, /* background - dark */
- { 0xEDDED9, ' ' }, /* background - pale Dye */
- { 0xDACBC6, ' ' }, /* background - dark */
- { 0xD3DEDF, ' ' }, /* background - pale Paint */
- { 0xC5D0D1, ' ' }, /* background - dark */
- { 0xDCD1CF, ' ' }, /* background - pale Enamel */
- { 0xCEC3C1, ' ' }, /* background - dark */
- { 0xF3F6F5, ' ' }, /* background - pale fruit */
- { 0xE2E7E5, ' ' }, /* background - dark */
-
- { 0x000000, 'o' }, /* foreground */
- { 0xD4B356, ' ' }, /* background (cursor) */
- { 0xFFFFFF, 'o' }, /* foreground (cursor) */
-
- { 0x5B93BF, '_' }, /* selector dropdown background */
- { 0xD7C94F, 'X' }, /* selector dropdown foreground */
- { 0,0 }
-};
-
-CanonColourInfoReds canoncolourinfo_tree;
-
-void canon_colour_prepare(void) {
- const CanonColourInfo *cci;
- for (cci=canoncolourinfo_table; cci->c; cci++) {
- unsigned char r= cci->rgbx >> 16;
- unsigned char g= cci->rgbx >> 8;
- unsigned char b= cci->rgbx;
-
- CanonColourInfoGreens *greens= canoncolourinfo_tree.red2[r];
- if (!greens) {
- greens= canoncolourinfo_tree.red2[r]= mmalloc(sizeof(*greens));
- FILLZERO(*greens);
- }
-
- CanonColourInfoBlues *blues= greens->green2[g];
- if (!blues) {
- blues= greens->green2[g]= mmalloc(sizeof(*blues));
- memset(blues, '?', sizeof(*blues));
- }
-
- blues->blue2[b]= cci->c;
- }
-}
-
-static inline char get(int x, int y) { return cim->d[y * cim->w + x]; }
-static inline char get_p(Point p) { return get(p.x,p.y); }
-
-
-static void mustfail1(const char *file, int line, const char *what) {
- fprintf(stderr,
- "\n\n"
- "Unable to figure out contents of YPP client display.\n"
- "Please check the following:\n"
- " * YPP client is showing commodity listing screen\n"
- " * YPP client window is on top (we try to raise it but your window\n"
- " manager might have prevented that from succeeding)\n"
- "\n"
- "If all of these are true, please report this as a fault.\n\n"
- "Technical details:"
- " %s:%d: requirement failed:\n"
- " %s\n",
- file, line, what);
-}
-static void mustfail2(void) NORET;
-static void mustfail2(void) {
- fprintf(stderr, "\n\nGiving up.\n");
- exit(8);
-}
-
-#define MUST(x, ifnot) do{ \
- if (__builtin_expect(!(x), 0)) { \
- mustfail1(__FILE__,__LINE__,#x); \
- ifnot; \
- mustfail2(); \
- } \
- }while(0)
-
-#define MP(v) fprintf(stderr," %s=%d,%d",#v,(v).x,(v).y)
-#define MI(v) fprintf(stderr," %s=%d", #v,(v))
-#define MIL(v) fprintf(stderr," %s=%ld", #v,(v))
-#define MRGB(v) fprintf(stderr," %s=%06"PRIx32, #v,(v))
-#define MC(v) fprintf(stderr," %s='%c'", #v,(v))
-#define MS(v) fprintf(stderr," %s=\"%s\"", #v,(v))
-#define MF(v) fprintf(stderr," %s=%f", #v,(v))
-#define MSB(v) fprintf(stderr," %s", (v))
-#define MR(v) fprintf(stderr," %s=%d,%d..%d,%d",\
- #v,(v).tl.x,(v).tl.y,(v).br.x,(v).br.y)
-
-
-#define REQUIRE_RECTANGLE(tlx,tly,brx,bry,ok) \
- require_rectangle(tlx, tly, brx, bry, ok, __LINE__);
-
-#define FOR_P_RECT(p,rr) \
- for ((p).x=(rr).tl.x; (p).x<=(rr).br.x; (p).x++) \
- for ((p).y=(rr).tl.y; (p).y<=(rr).br.y; (p).y++)
-
-static void require_rectangle_r(Rect rr, const char *ok, int lineno) {
- Point p;
- FOR_P_RECT(p,rr) {
- int c= get_p(p);
- MUST( strchr(ok,c), ({
- MI(lineno),MR(rr);MP(p);MS(ok);
- }));
- }
-}
-static void require_rectangle(int tlx, int tly, int brx, int bry,
- const char *ok, int lineno) {
- Rect rr= {{tlx,tly},{brx,bry}};
- require_rectangle_r(rr, ok, lineno);
-}
-
-static void debug_rect(const char *what, int whati, Rect rr) {
- if (!DEBUGP(rect)) return;
- int y,w;
- fprintf(debug, "%s %d: %d,%d..%d,%d:\n", what, whati,
- rr.tl.x,rr.tl.y, rr.br.x,rr.br.y);
- w= rr.br.x - rr.tl.x + 1;
- for (y=rr.tl.y; y<=rr.br.y; y++) {
- fprintf(debug, "%4d%*s|", y, rr.tl.x,"");
- fwrite(cim->d + y*cim->w + rr.tl.x, 1, w, debug);
- fputc('|',debug);
- fputc('\n',debug);
- }
- debug_flush();
-}
-
-static int commod_selector_matches(Rect search, const char *const *all,
- int allh, int allw) {
- int alloffy, alloffx;
- for (alloffy=0; alloffy < search.br.y; alloffy++) {
- if (alloffy+allh-1 < search.tl.y) continue;
- for (alloffx=search.tl.x; alloffx+allw-1 <= search.br.x; alloffx++) {
- int good=0, bad=0;
- int x,y;
- for (x=0; x<allw; x++)
- for (y=0; y<allh; y++) {
- int want= all[y][x];
- if (want==' ') continue;
- if (get(alloffx+x, alloffy+y) == want)
- good++;
- else
- bad++;
- }
- debugf("CHECKCOMMOD alloff=%d,%d good=%d bad=%d\n",
- alloffx,alloffy, good,bad);
- if (good > 20*bad)
- return 1;
- }
- }
- return 0;
-}
-
-#define WALK_UNTIL(point,coord,increm,last,edge) \
- for (;;) { \
- if ((point).coord == (last)+(increm)) break; \
- if (get_p((point)) == (edge)) { (point).coord -= (increm); break; } \
- (point).coord += (increm); \
- }
-
-#define WALK_UNTIL_MUST(point,coord,increm,last,edge) \
- do { \
- WALK_UNTIL(point,coord,increm,last,edge); \
- MUST( (point).coord != (last)+(increm), \
- MP(point); MI(increm); MI(last); MC(edge); \
- ); \
- }while(0)
-
-#define ADJUST_BOX(search,insidechrs,OP,want, lim,LIMIT_MUST, TLBR,XY,increm) \
- for (;;) { \
- LIMIT_MUST( (search).tl.XY != (search).br.XY && \
- (search).TLBR.XY != (lim), \
- MR((search));MSB(#TLBR);MSB(#XY) ); \
- int got=0; \
- Point p=(search).tl; \
- for (p.XY=(search).TLBR.XY; \
- p.OTHERCOORD_##XY <= (search).br.OTHERCOORD_##XY; \
- p.OTHERCOORD_##XY++) \
- got += !!strchr(insidechrs, get_p(p)); \
- if ((got) OP (want)) \
- break; \
- (search).TLBR.XY += increm; \
- }
-
-void find_structure(const CanonImage *im,
- PageStruct **pagestruct_r,
- int *max_relevant_y_r,
- Point *commod_focus_point_r,
- Point *commod_page_point_r,
- Point *commod_focuslast_point_r) {
- cim= im;
-
- FILLZERO(s);
- Rect whole = { {0,0}, {cim->w-1,cim->h-1} };
-
- if (DEBUGP(rect)) {
- int xscaleunit, y,x;
- for (y=0, xscaleunit=1; y<4; y++, xscaleunit*=10) {
- fprintf(debug," ");
- for (x=0; x<=cim->w; x++) {
- if (x % xscaleunit) fputc(' ',debug);
- else fprintf(debug,"%d",(x / xscaleunit)%10);
- }
- fputc('\n',debug);
- }
- }
-
- Point mainr_tl= START_MAIN;
- s.mr.tl= mainr_tl;
- WALK_UNTIL_MUST(s.mr.tl, y,-1, whole.tl.y, ' ');
- s.mr.br= s.mr.tl;
-
- WALK_UNTIL_MUST(s.mr.tl, x,-1, whole.tl.x, '*');
- WALK_UNTIL_MUST(s.mr.tl, y,-1, whole.tl.y, '*');
- WALK_UNTIL_MUST(s.mr.br, x,+1, whole.br.x, '*');
- WALK_UNTIL_MUST(s.mr.br, y,+1, whole.br.y, '*');
-
- REQUIRE_RECTANGLE(s.mr.tl.x-1, s.mr.tl.y, s.mr.tl.x-1, s.mr.br.y, "*");
- REQUIRE_RECTANGLE(s.mr.br.x+1, s.mr.tl.y, s.mr.br.x+1, s.mr.br.y, "*");
- REQUIRE_RECTANGLE(s.mr.tl.x, s.mr.tl.y-1, s.mr.br.x, s.mr.tl.y-1, "*");
- REQUIRE_RECTANGLE(s.mr.tl.x, s.mr.br.y+1, s.mr.br.x, s.mr.br.y+1, "*");
-
-#define CHECK_STRIP_BORDER(tlbr,xy,increm) \
- do { \
- Point csb_p; \
- Rect csb_r; \
- csb_p= s.mr.tl; \
- csb_p.x++; csb_p.y++; \
- csb_p.xy= s.mr.tlbr.xy; \
- if (get_p(csb_p)=='+') { \
- csb_r= s.mr; \
- csb_r.tl.xy= csb_p.xy; \
- csb_r.br.xy= csb_p.xy; \
- require_rectangle_r(csb_r, "+", __LINE__); \
- s.mr.tlbr.xy += increm; \
- } \
- } while(0)
-
- debug_rect("s.mr",0, s.mr);
-
- CHECK_STRIP_BORDER(tl,x,+1);
- CHECK_STRIP_BORDER(tl,y,+1);
- CHECK_STRIP_BORDER(br,x,-1);
- CHECK_STRIP_BORDER(br,y,-1);
-
- debug_rect("s.mr",1, s.mr);
-
- Rect updown= {START_MAIN,START_MAIN};
- const int chkw= 100;
- updown.br.x += chkw-1;
- updown.br.y++;
- debug_rect("updown",__LINE__,updown);
-
- ADJUST_BOX(updown, "+", >=,chkw, s.mr.tl.y, MUST, tl,y,-1);
- debug_rect("updown",__LINE__,updown);
- updown.br.y= updown.tl.y;
- updown.tl.y= updown.tl.y-1;
-
- ADJUST_BOX(updown, "+*",>=,chkw, s.mr.tl.y-1, MUST, tl,y,-1);
- debug_rect("updown",__LINE__,updown);
-
- s.commbasey= updown.tl.y + 1;
- s.comminty= updown.br.y - updown.tl.y;
-
- Rect across= {{ s.mr.tl.x - 1, s.commbasey },
- { s.mr.tl.x, s.commbasey + s.comminty-2 }};
- int colno=0;
- for (;;) {
-
-#define LIMIT_QUITEQ(cond,mp) { if (!(cond)) break; }
- debug_rect("across",colno*1000000+__LINE__, across);
- ADJUST_BOX(across, "+",>=,s.comminty-1,s.mr.br.x,LIMIT_QUITEQ,br,x,+1);
- debug_rect("across",colno*1000000+__LINE__, across);
-
- MUST( colno < MAX_COLUMNS,
- MI(colno);MR(across);MR(s.mr);MI(s.commbasey); );
- int colrx= across.br.x-1;
- if (colrx >= s.mr.br.x) colrx= s.mr.br.x;
- if (colno < INTERESTING_COLUMNS)
- s.colrightx[colno]= colrx;
-
- colno++;
-
- if (across.br.x >= s.mr.br.x)
- break;
-
- REQUIRE_RECTANGLE(across.br.x,s.mr.tl.y, across.br.x,s.mr.br.y, "+");
- across.br.x++;
- }
- MUST( colno >= MIN_COLUMNS, MI(colno);MR(s.mr);MR(across); );
-
- const int pagerh= 6;
- Rect pager= {{ s.mr.br.x, s.mr.br.y - (pagerh-1) },
- { s.mr.br.x + 1, s.mr.br.y }};
-
- debug_rect("pager",__LINE__,pager);
- ADJUST_BOX(pager, "o",>=,pagerh-2, whole.br.x,MUST, br,x,+1);
- debug_rect("pager",__LINE__,pager);
-
- pager.tl.x= pager.br.x;
- pager.br.x= pager.br.x + 1;
- debug_rect("pager",__LINE__,pager);
- ADJUST_BOX(pager, "o",>=,pagerh-2, whole.br.x,MUST, br,x,+1);
- debug_rect("pager",__LINE__,pager);
-
- ADJUST_BOX(pager, "o",>=,RECT_W(pager)-2, s.mr.tl.y,LIMIT_QUITEQ, tl,y,-1);
- debug_rect("pager",__LINE__,pager);
-
-#define SET_ONCE(var,val) do{ \
- int v= (val); \
- if ((var)==-1) (var)= v; \
- else MUST( (var) == v, MSB(#var);MI((var));MI(v);MR(s.mr); ); \
- }while(0)
-
- SET_ONCE(columns, colno);
- SET_ONCE(text_h, s.comminty - 1);
-
- if (pagestruct_r) {
- *pagestruct_r= mmalloc(sizeof(s));
- **pagestruct_r= s;
- }
-
- if (max_relevant_y_r)
- SET_ONCE(*max_relevant_y_r, s.mr.br.y + 10);
-
- if (commod_focus_point_r) {
- *commod_focus_point_r= s.mr.tl;
- commod_focus_point_r->x += 10;
- commod_focus_point_r->y += s.comminty/3;
- }
- if (commod_focuslast_point_r) {
- *commod_focuslast_point_r= s.mr.br;
- commod_focuslast_point_r->x -= 10;
- commod_focuslast_point_r->y -= s.comminty/3;
- }
- if (commod_page_point_r) {
- commod_page_point_r->x= (pager.tl.x + pager.br.x) / 2;
- commod_page_point_r->y= pager.tl.y - 1;
- }
-
- MUST( text_h <= OCR_MAX_H, MI(text_h) );
-}
-
-void check_correct_commodities(void) {
- Rect search= { { 50,39 }, { 130,59 } };
-
- ADJUST_BOX(search,"_",>=,10, cim->h, MUST, tl,y,+1);
- ADJUST_BOX(search,"_",>=,10, 0, MUST, br,y,-1);
-
- debug_rect("commodselr",1, search);
-
- static const char *all_small[]= {
- " ___________________________________ ",
- " ________X____X__X____________________ ",
- " ________ X___ X_ X_____XXXXXXXXXXX_____ ",
- "_________X_X__ X_ X______XXXXXXXXX_______",
- "________ X X__ X_ X_______XXXXXXX________",
- "________X_ _X_ X_ X________XXXXX_________",
- "_______ X__ X_ X_ X_________XXX__________",
- "_______XXXXXXX X_ X__________X___________",
- " _____ X X X_ X______________________",
- " ____X_____ _XX_ X______________________",
- " __ _______ __ ______________________ ",
- };
- static const char *all_big[]= {
- "???_______________________________________???",
- "??_________________________________________??",
- "?_________X______X___X______________________?",
- "_________?X_____?X__?X______XXXXXXXXXXX______",
- "_________X_X____?X__?X_______XXXXXXXXX_______",
- "________?X?X____?X__?X________XXXXXXX________",
- "________X_?_X___?X__?X_________XXXXX_________",
- "_______?X__?X___?X__?X__________XXX__________",
- "_______?XXXXX___?X__?X___________X___________",
- "_______X????_X__?X__?X_______________________",
- "?_____?X____?X__?X__?X_______________________",
- "??____X_____?_X_?X__?X_______________________",
- "???__?_______?__?___?_______________________?",
- };
-
-#define COMMOD_SELECTOR_MATCHES(all) \
- commod_selector_matches(search, all, \
- sizeof((all))/sizeof((all)[0]), \
- strlen((all)[0]))
-
- if (!(COMMOD_SELECTOR_MATCHES(all_small) ||
- COMMOD_SELECTOR_MATCHES(all_big)))
- fatal("Commodities selector not set to `All'.");
-}
-
-CanonImage *alloc_canon_image(int w, int h) {
- CanonImage *im= mmalloc(sizeof(CanonImage) + w*h);
- im->w= w;
- im->h= h;
- memset(im->d,'?',w*h);
- return im;
-}
-
-static void file_read_image_ppm(FILE *f) {
- struct pam inpam;
- unsigned char rgb_buf[3];
- CanonImage *im;
- RgbImage *ri;
- PageStruct *pstruct;
-
- progress("page %d reading ...",npages);
-
- pnm_readpaminit(f, &inpam, sizeof(inpam));
- if (!(inpam.maxval == 255 &&
- inpam.bytes_per_sample == 1 &&
- inpam.format == RPPM_FORMAT))
- fatal("PNM screenshot(s) file must be 8bpp 1 byte-per-sample RGB raw");
-
- CANONICALISE_IMAGE(im, inpam.width, inpam.height, ri, {
- errno=0; int rr= fread_unlocked(&rgb_buf,1,3,f);
- sysassert(rr==3);
- if (rr!=3) fatal("PNM screenshot(s) file ends unexpectedly");
-
- rgb= rgb_buf[0] | (rgb_buf[1] << 8) | (rgb_buf[2] << 16);
- });
-
- sysassert(!ferror(screenshot_file));
-
- if (!(npages < MAX_PAGES))
- fatal("Too many images in screenshots file; max is %d.\n", MAX_PAGES);
-
- find_structure(im,&pstruct, 0,0,0,0);
- store_current_page(im,pstruct,ri);
- npages++;
-}
-
-void store_current_page(CanonImage *ci, PageStruct *pstruct, RgbImage *rgb) {
- assert(ci==cim);
- progress("page %d unantialiasing...",npages);
- adjust_colours(ci, rgb);
- progress("page %d storing ...",npages);
- if (!npages) page0_rgbimage= rgb;
- else free(rgb);
- page_images[npages]= cim;
- page_structs[npages]= *pstruct;
- free(pstruct);
-}
-
-void read_one_screenshot(void) {
- progress("reading screenshot...");
- file_read_image_ppm(screenshot_file);
- progress_log("read screenshot.");
-}
-
-void read_screenshots(void) {
- struct stat stab;
-
- sysassert(! fstat(fileno(screenshot_file), &stab) );
-
- for (;;) {
- if (S_ISREG(stab.st_mode)) {
- long pos= ftell(screenshot_file);
- if (pos == stab.st_size) break;
- } else {
- int c= fgetc(screenshot_file);
- if (c==EOF) break;
- ungetc(c, screenshot_file);
- }
- file_read_image_ppm(screenshot_file);
- }
- sysassert(!ferror(screenshot_file));
- progress_log("read %d screenshots.",npages);
-}
-
-#define FIXPT_SHIFT 15
-
-typedef long Fixpt;
-static inline Fixpt int2fixpt(int x) { return x<<FIXPT_SHIFT; }
-static inline Fixpt dbl2fixpt(double x) { return x * int2fixpt(1); }
-static inline double fixpt2dbl(Fixpt x) { return x / (1.0*int2fixpt(1)); }
-static inline Fixpt fixpt_mul(Fixpt a, Fixpt b) {
- return (a*b + dbl2fixpt(0.5)) / int2fixpt(1);
-}
-#define MFP(v) fprintf(stderr," %s=%lx=%f", #v,(v),fixpt2dbl((v)))
-
-static Fixpt aa_bg_chan[3], aa_scale_chan[3], aa_alpha_mean_max;
-static Rgb aa_background, aa_foreground;
-
-static void find_aa_density_prep(Rgb bg, Rgb fg, int fg_extra) {
- int i;
- unsigned char fg_chan[3];
-
- aa_background= bg;
- aa_foreground= fg;
- aa_alpha_mean_max= fg_extra ? int2fixpt(1)-1 : int2fixpt(1);
-
- for (i=0; i<3; i++) {
- aa_bg_chan[i]= int2fixpt( (aa_background >> (i*8)) & 0xff );
- fg_chan[i]= aa_foreground >> (i*8);
-
- aa_scale_chan[i]= 1.0 / (int2fixpt(fg_chan[i]) + fg_extra - aa_bg_chan[i])
- * dbl2fixpt(1) * dbl2fixpt(1);
- }
-}
-
-static inline Fixpt find_aa_density(const RgbImage *ri, Point p) {
- Rgb here= ri_rgb(ri, p.x, p.y);
-
- if (here==aa_background) return 0;
-
- Fixpt alpha[3], alpha_total=0;
- int i;
- for (i=0; i<3; i++) {
- unsigned char here_chan= here >> (i*8);
-
- Fixpt alpha_chan= fixpt_mul(int2fixpt(here_chan) - aa_bg_chan[i],
- aa_scale_chan[i]);
- alpha[i]= alpha_chan;
- alpha_total += alpha_chan;
- }
-
- Fixpt one_third= dbl2fixpt(1/3.0);
- Fixpt alpha_mean= fixpt_mul(alpha_total, one_third);
-
- Fixpt thresh= dbl2fixpt(1.5/AAMAXVAL);
- Fixpt alpha_min= alpha_mean - thresh*2;
- Fixpt alpha_max= alpha_mean + thresh*2;
-
- for (i=0; i<3; i++)
- MUST( alpha_min <= alpha[i] && alpha[i] <= alpha_max,
- MP(p);
- MRGB(here);MRGB(aa_background);MRGB(aa_foreground);
- MFP(aa_alpha_mean_max);MFP(thresh);MFP(alpha_mean);
- MFP(alpha_min);MI(i);MFP(alpha[i]);MFP(alpha_max) );
-
- MUST( -thresh <= alpha_mean && alpha_mean <= aa_alpha_mean_max + thresh,
- MP(p);
- MRGB(here);MRGB(aa_background);MRGB(aa_foreground);
- MFP(aa_alpha_mean_max);MFP(thresh);
- MFP(alpha_mean); MFP(alpha[0]);MFP(alpha[1]);MFP(alpha[2]); );
-
- if (alpha_mean < 0) alpha_mean= 0;
- if (alpha_mean > aa_alpha_mean_max) alpha_mean= aa_alpha_mean_max;
-
- return alpha_mean;
-}
-
-static void find_commodity(int offset, Rect *rr) {
- /* rr->tl.x==-1 if offset out of range */
- rr->tl.y= s.commbasey - offset*s.comminty;
- rr->br.y= rr->tl.y + s.comminty-2;
- if (rr->tl.y < s.mr.tl.y || rr->br.y > s.mr.br.y) { rr->tl.x=-1; return; }
-
- rr->tl.x= s.mr.tl.x;
- rr->br.x= s.mr.br.x;
-
- if (rr->tl.y > s.mr.tl.y)
- REQUIRE_RECTANGLE(rr->tl.x,rr->tl.y-1, rr->br.x,rr->tl.y-1, "+");
- if (rr->br.y < s.mr.tl.y)
- REQUIRE_RECTANGLE(rr->tl.x,rr->br.y+1, rr->br.x,rr->br.y+1, "+");
-}
-
-static void compute_table_location(Rect commod, int colno, Rect *cell) {
- cell->tl.y= commod.tl.y;
- cell->br.y= commod.br.y;
- cell->tl.x= !colno ? commod.tl.x : s.colrightx[colno-1]+2;
- cell->br.x= s.colrightx[colno];
- debug_rect("cell", colno, *cell);
-}
-
-static void ocr_rectangle(Rect r, const OcrCellType ct, FILE *tsv_output) {
- OcrResultGlyph *results, *res;
-
- int w= r.br.x - r.tl.x + 1;
- Pixcol cols[w+1];
- int x,y;
- for (x=0; x<w; x++) {
- FILLZERO(cols[x]);
- for (y=0; y<text_h; y++) {
- Point here= { x+r.tl.x, y+r.tl.y };
- int pixel= get_p(here);
- if (pixel==' ') pixel= '0';
- MUST( pixel >= '0' && pixel <= '0'+AAMAXVAL,
- MC(pixel);MP(here);MSB(ocr_celltype_name(ct));MR(r); );
- pixcol_p_add(&cols[x], y, pixel-'0');
- }
- }
- FILLZERO(cols[w]);
-
- results= ocr(rd,ct,w,cols);
- for (res=results; res->s; res++)
- fputs(res->s,tsv_output);
-}
-
-#define FOR_COMMODITY_CELL(ROW_START, CELL, ROW_END) do{ \
- Rect rowr, cell; \
- int tryrect, colno; \
- \
- for (tryrect= +cim->h; tryrect >= -cim->h; tryrect--) { \
- find_commodity(tryrect, &rowr); \
- if (rowr.tl.x < 0) \
- continue; \
- debug_rect("commod",tryrect, rowr); \
- \
- ROW_START; \
- \
- for (colno=0; colno<columns; colno++) { \
- compute_table_location(rowr,colno,&cell); \
- \
- CELL; \
- } \
- \
- ROW_END; \
- } \
- }while(0);
-
-static void adjust_colours_cell(CanonImage *ci, const RgbImage *ri,
- int colno, Rect cell) {
- Rgb background;
- unsigned char chanbg[3];
- long bg_count=0, light_count=0, dark_count=0;
- int i;
- Point p;
-
- background= ri_rgb(ri, cell.br.x, cell.br.y);
- for (i=0; i<3; i++)
- chanbg[i]= background >> (i*8);
-
- FOR_P_RECT(p,cell) {
- Rgb herergb= ri_rgb(ri, p.x, p.y);
- if (herergb==background) {
- bg_count+=3;
- } else {
- for (i=0; i<3; i++) {
- unsigned char here= herergb >> (i*8);
- if (here == chanbg[i]) bg_count++;
- else if (here < chanbg[i]) dark_count += (chanbg[i] - here)/4 + 1;
- else if (here > chanbg[i]) light_count += (here - chanbg[i])/4 + 1;
- }
- }
- }
- long total_count= RECT_W(cell) * RECT_H(cell) * 3;
-
- MUST( bg_count > total_count / 2,
- MR(cell);MIL(total_count);MIL(bg_count);
- MIL(light_count);MIL(dark_count) );
-
- if (bg_count == total_count)
- return;
-
- Rgb foreground;
- double fg_extra;
-
- if (light_count/16 > dark_count) {
- foreground= 0xffffffU;
- fg_extra= +1;
- } else if (dark_count/16 > light_count) {
- foreground= 0;
- fg_extra= -1;
- } else {
- MUST( !"tell light from dark",
- MR(cell);MIL(total_count);MIL(bg_count);
- MIL(light_count);MIL(dark_count);MRGB(background); );
- }
-
- debugf("TABLEENTRY col=%d %d,%d..%d,%d bg=%ld light=%ld dark=%ld\n",
- colno, cell.tl.x,cell.tl.y, cell.br.x,cell.br.y,
- bg_count, light_count, dark_count);
-
- int monochrome= 1;
-
- find_aa_density_prep(background, foreground, fg_extra);
-
- FOR_P_RECT(p,cell) {
- Fixpt alpha= find_aa_density(ri,p);
-
- int here_int= alpha >> (FIXPT_SHIFT - AADEPTH);
- assert(here_int <= AAMAXVAL);
- if (!(here_int==0 || here_int==AAMAXVAL)) monochrome=0;
- ci->d[p.y * ci->w + p.x]= '0' + here_int;
- }
-
- debug_rect("cell0M", colno, cell);
-
- require_rectangle_r(cell, "0123456789", __LINE__);
-}
-
-void adjust_colours(CanonImage *ci, const RgbImage *ri) {
- if (!(o_mode & mf_analyse))
- return;
-
- cim= ci;
-
- FOR_COMMODITY_CELL({},({
- adjust_colours_cell(ci,ri,colno,cell);
- }),{});
-}
-
-void analyse(FILE *tsv_output) {
- int page;
-
- for (page=0; page<npages; page++) {
- select_page(page);
-
- if (!page)
- check_correct_commodities();
-
- if (!rd)
- rd= ocr_init(text_h);
-
- progress("Processing page %d...",page);
-
- const char *tab= "";
-
- FOR_COMMODITY_CELL({
- tab= "";
- },{
- fputs(tab, tsv_output);
- ocr_rectangle(cell,
- colno<TEXT_COLUMNS
- ? &ocr_celltype_text
- : &ocr_celltype_number,
- tsv_output);
- tab= "\t";
- },{
- fputs("\n", tsv_output);
- sysassert(!ferror(tsv_output));
- sysassert(!fflush(tsv_output));
- })
- }
- progress("Commodity table scan complete.");
-}
-
-//static Rect islandnamer;
-
-DEBUG_DEFINE_SOME_DEBUGF(structcolon,colondebugf)
-
-Rect find_sunshine_widget(void) {
- Rect sunshiner;
-
- sunshiner.tl.x= cim->w - 1034 + 885;
- sunshiner.br.x= cim->w - 1034 + 1020;
- sunshiner.tl.y= 227;
- sunshiner.br.y= 228;
-
- ADJUST_BOX(sunshiner,"o*",>=,30, 100,MUST, tl,y,-1);
- ADJUST_BOX(sunshiner,"o*",>=,30, 100,MUST, br,y,+1);
- debug_rect("sunshiner",0, sunshiner);
-
- MUST(sunshiner.br.y - sunshiner.tl.y > 20, MR(sunshiner));
- sunshiner.br.y--;
-
- ADJUST_BOX(sunshiner,"o",>=,20, (cim->w - 1034 + 700), MUST, tl,x,-1);
- ADJUST_BOX(sunshiner,"o",>=,20, cim->w, MUST, br,x,+1);
- debug_rect("sunshiner",1, sunshiner);
- return sunshiner;
-}
-
-void find_islandname(void) {
- const RgbImage *rgbsrc= page0_rgbimage;
- select_page(0);
-
- RgbImage *ri= alloc_rgb_image(rgbsrc->w, rgbsrc->h);
- memcpy(ri->data, rgbsrc->data, ri->w * ri->h * 3);
-
- Rect sunshiner= find_sunshine_widget();
- char sunshine[MAXIMGIDENT], archisland[MAXIMGIDENT];
-
- const Rgb *srcp;
- Rgb *destp, *endp;
- for (srcp= rgbsrc->data, destp=ri->data,
- endp= ri->data + ri->w * ri->h;
- destp < endp;
- srcp++, destp++) {
- Rgb new= *srcp & 0xf0f0f0;
- *destp= new | (new>>4);
- }
-
- identify_rgbimage(ri, sunshiner, sunshine, "sunshine widget");
-
- if (!memcmp(sunshine,"Vessel ",5)) {
- Rect islandnamer;
-
- islandnamer.tl.x= cim->w - 1034 + 885;
- islandnamer.br.x= cim->w - 1034 + 1020;
- islandnamer.tl.y= 128;
- islandnamer.br.y= 156;
-
- ADJUST_BOX(islandnamer,"o",>=,5, 0, MUST, tl,y,+1);
- ADJUST_BOX(islandnamer,"o",>=,5, cim->h, MUST, br,y,-1);
-
- ADJUST_BOX(islandnamer,"o",>=,1, 0, MUST, tl,x,+1);
- ADJUST_BOX(islandnamer,"o",>=,1, cim->w, MUST, br,x,-1);
-
- debug_rect("islandnamer",0, islandnamer);
-// int larger_islandnamebry= islandnamer.tl.y + 25;
-// MUST(islandnamer.br.y < larger_islandnamebry,
-// MR(islandnamer);MI(larger_islandnamebry));
-// islandnamer.br.y = larger_islandnamebry;
- debug_rect("islandnamer",1, islandnamer);
-
- int x,y;
- for (x=islandnamer.tl.x; x<=islandnamer.br.x; x++)
- for (y=islandnamer.tl.y; y<=islandnamer.br.y; y++) {
- if ((ri_rgb(ri,x,y) & 0xff) < 0x40) {
- *RI_PIXEL32(ri,x,y)= 0;
- }
- }
-
- identify_rgbimage(ri, islandnamer, archisland, "island");
- } else if (!strcmp(sunshine,"Land - Ahoy!")) {
- Rect islandnamer;
-
- islandnamer.tl.x= (sunshiner.tl.x + sunshiner.br.x) / 2;
- islandnamer.tl.y= sunshiner.tl.y + 100;
- islandnamer.br= islandnamer.tl;
- debug_rect("islandnamer",__LINE__, islandnamer);
-
- WALK_UNTIL_MUST(islandnamer.tl,y, -1, sunshiner.br.y, 'H');
- WALK_UNTIL_MUST(islandnamer.tl,x, -1, 0, 'o');
- WALK_UNTIL_MUST(islandnamer.br,x, +1, cim->w, 'o');
- debug_rect("islandnamer",__LINE__, islandnamer);
-
-#define RW (RECT_W(islandnamer))
-#define RH (RECT_H(islandnamer))
-
- ADJUST_BOX(islandnamer,"O",>=,RW-4, cim->h, MUST,br,y,+1);
- debug_rect("islandnamer",__LINE__, islandnamer);
-
- islandnamer.br.y += 2;
-
- ADJUST_BOX(islandnamer,"*",<,RW, cim->h, MUST,br,y,+1);
- debug_rect("islandnamer",__LINE__, islandnamer);
-
- islandnamer.tl.y= islandnamer.br.y-1;
- islandnamer.br.y= islandnamer.br.y+1;
- debug_rect("islandnamer",__LINE__, islandnamer);
-
- ADJUST_BOX(islandnamer,"*",>=,RW, cim->h, MUST,br,y,+1);
- debug_rect("islandnamer",__LINE__, islandnamer);
-
- ADJUST_BOX(islandnamer,"*",<, RH, cim->w, MUST,tl,x,+1);
- debug_rect("islandnamer",__LINE__, islandnamer);
-
- MUST( RECT_H(islandnamer) <= 30, MR(islandnamer));
-
- Point p;
- int nspaces=1, might_be_colon=0;
- uint32_t colon_pattern= 0;
- p.y=-1;
-
- for (p.x=islandnamer.br.x; p.x>islandnamer.tl.x; p.x--) {
- colondebugf("structcolon: x=%4d nsp=%2d mbc=%d cp=%08"PRIx32" ",
- p.x, nspaces, might_be_colon, colon_pattern);
-
- uint32_t pattern=0;
- int runs[32], nruns=0;
- runs[0]=0; runs[1]=0;
-
- find_aa_density_prep(0xCCCCAA,0x002255,0);
-
- for (p.y=islandnamer.tl.y; p.y<=islandnamer.br.y; p.y++) {
- pattern <<= 1;
- Fixpt alpha= find_aa_density(ri,p);
- if (alpha >= dbl2fixpt(0.49)) {
- runs[nruns]++;
- pattern |= 1u;
- } else {
- if (runs[nruns]) {
- nruns++;
- runs[nruns]=0;
- }
- }
- }
-
- colondebugf(" pat=%08"PRIx32" nruns=%d runs[]={%d,%d..} ",
- pattern, nruns, runs[0],runs[1]);
-
- if (!pattern) {
- if (might_be_colon)
- /* omg it _is_ a colon */
- goto colon_found;
- nspaces++;
- might_be_colon=0;
- } else {
- if (nruns==2 && runs[1]==runs[0]) {
- if (!nspaces) {
- if (pattern==colon_pattern)
- goto ok_might_be_colon;
- } else if (nspaces>=2) {
- colon_pattern= pattern;
- might_be_colon=1;
- goto ok_might_be_colon;
- }
- } else if (nruns==1 && runs[0]==1 && might_be_colon) {
- goto colon_found;
- }
- might_be_colon=0;
- ok_might_be_colon:
- nspaces= 0;
- }
- colondebugf(" nsp=%2d mbc=%d\n", nspaces, might_be_colon);
- }
- MUST(!"colon found", MP(p);MR(islandnamer) );
-
- colon_found:
- colondebugf(" found\n");
- islandnamer.br.x= p.x;
-
- identify_rgbimage(ri, islandnamer, archisland, "island");
- } else {
-
- MUST(!"sunshine shows ship or ahoy", MS(sunshine) );
-
- }
-
- char *delim= strstr(archisland," - ");
- assert(delim);
- archipelago= masprintf("%.*s", (int)(delim-archisland), archisland);
- island= masprintf("%s", delim+3);
-
-}