#include "structure.h"
-static const CanonImage *cim;
+static CanonImage *cim;
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); }
DEBUG_DEFINE_DEBUGF(struct)
-#define START_MAIN {200,100}
+#define START_MAIN {200,200}
#define MIN_COLUMNS 6
#define INTERESTING_COLUMNS 7
#define TEXT_COLUMNS 2
static int text_h=-1, columns=-1;
static OcrReader *rd;
+char *archipelago, *island;
+
#define OTHERCOORD_x y
#define OTHERCOORD_y x
-const CanonColourInfo canoncolourinfos[]= {
+typedef struct {
+ Rgb rgb; /* on screen */
+ 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 */
{ 0,0 }
};
+CanonColourInfoReds canoncolourinfo_tree;
+
+void canon_colour_prepare(void) {
+ const CanonColourInfo *cci;
+ for (cci=canoncolourinfo_table; cci->c; cci++) {
+ unsigned char r= cci->rgb >> 16;
+ unsigned char g= cci->rgb >> 8;
+ unsigned char b= cci->rgb;
+
+ 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 void mustfail1(const char *file, int line, const char *what) {
fprintf(stderr,
- "\n\n"
- "Unable to figure out contents of YPP client display.\n"
- " Check that your client is logged in has the correct display.\n"
- " If that isn't the problem, please report this as a fault.\n\n"
+ "\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",
#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=%06lx", #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__);
-static void require_rectangle(int tlx, int tly, int brx, int bry,
- const char *ok, int lineno) {
+#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.x=tlx; p.x<=brx; p.x++)
- for (p.y=tly; p.y<=bry; p.y++) {
- int c= get_p(p);
- MUST( strchr(ok,c), ({
- Rect rm={{tlx,tly},{brx,bry}};
- MI(lineno),MR(rm);MP(p);MS(ok);
- }));
- }
+ 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_r(Rect rr, const char *ok, int lineno) {
- require_rectangle(rr.tl.x,rr.tl.y, rr.br.x,rr.br.y, ok, lineno);
+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) {
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; \
); \
}while(0)
-#define ADJUST_BOX(search,insidechrs,want, lim,LIMIT_MUST, TLBR,XY,increm) \
- for (;;) { \
- LIMIT_MUST( (search).tl.XY != (search).br.XY && \
- (search).tl.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 >= (want)) \
- break; \
- (search).TLBR.XY += increm; \
+#define ADJUST_BOX(search,insidechrs,OP,want, lim,LIMIT_MUST, TLBR,XY,increm) \
+ for (;;) { \
+ LIMIT_MUST( (search).tl.XY != (search).br.XY && \
+ (search).tl.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, int *max_relevant_y_r) {
+void find_structure(CanonImage *im, int *max_relevant_y_r) {
cim= im;
Rect whole = { {0,0}, {cim->w-1,cim->h-1} };
SET_ONCE(text_h, comminty - 1);
if (max_relevant_y_r)
SET_ONCE(*max_relevant_y_r, mainr.br.y + 10);
+
+ 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);
+ 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[]= {
+ static const char *all_small[]= {
" ___________________________________ ",
" ________X____X__X____________________ ",
" ________ X___ X_ X_____XXXXXXXXXXX_____ ",
" ____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_______________________",
+ "???__?_______?__?___?_______________________?",
+ };
- static int allh= sizeof(all)/sizeof(all[0]);
- const int allw= strlen(all[0]);
+#define COMMOD_SELECTOR_MATCHES(all) \
+ commod_selector_matches(search, all, \
+ sizeof((all))/sizeof((all)[0]), \
+ strlen((all)[0]))
- 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)
- goto all_found;
- }
- }
- fatal("Commodities selector not set to `All'.");
-
- all_found:;
+ 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) {
struct pam inpam;
unsigned char rgb_buf[3];
CanonImage *im;
- RgbImage *ri=0;
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");
-
- if (!npages)
- page0_rgbimage= ri= alloc_rgb_image(inpam.width, inpam.height);
+ fatal("PNM screenshot(s) file must be 8bpp 1 byte-per-sample RGB raw");
CANONICALISE_IMAGE(im, inpam.width, inpam.height, {
- int r= fread(&rgb_buf,1,3,f);
+ int rr= fread(&rgb_buf,1,3,f);
sysassert(!ferror(f));
- if (r!=3) fatal("PNM screenshot(s) file ends unexpectedly");
+ if (rr!=3) fatal("PNM screenshot(s) file ends unexpectedly");
- rgb=
- ((unsigned long)rgb_buf[0]<<16) |
- ((unsigned long)rgb_buf[1]<<8) |
- (rgb_buf[2]);
-
- if (ri)
- CANONIMG_ALSO_STORERGB(ri);
+ r= rgb_buf[0];
+ g= rgb_buf[1];
+ b= rgb_buf[2];
});
sysassert(!ferror(screenshot_file));
progress_log("read %d screenshots.",npages);
}
+static double find_aa_density(const RgbImage *ri, Point p, long background,
+ long foreground, int fg_extra) {
+ Rgb here= ri_rgb(ri, p.x, p.y);
+
+ double alpha[3], alpha_mean=0;
+ int i;
+ for (i=0; i<3; i++) {
+ unsigned char here_chan= here >> (i*8);
+ unsigned char bg_chan= background >> (i*8);
+ unsigned char fg_chan= foreground >> (i*8);
+ double alpha_chan=
+ ((double)here_chan - (double)bg_chan) /
+ ((fg_chan + fg_extra) - (double)bg_chan);
+ alpha[i]= alpha_chan;
+ alpha_mean += alpha_chan * (1/3.0);
+ }
+
+ double thresh= 1.5/AAMAXVAL;
+ double alpha_min= alpha_mean - thresh;
+ double alpha_max= alpha_mean + thresh;
+ for (i=0; i<3; i++)
+ MUST( alpha_min <= alpha[i] && alpha[i] <= alpha_max,
+ MP(p);
+ MRGB(here);MRGB(background);MRGB(foreground);MI(fg_extra);
+ MF(alpha_min); MI(i);MF(alpha[i]);MF(alpha_max) );
+
+ if ( -1e-5 < alpha_mean && alpha_mean <= 0.0 ) alpha_mean= 0.0;
+ if (1.0 <= alpha_mean && alpha_mean <= 1.0+1e-5) alpha_mean= 1.0;
+
+ MUST( 0 <= alpha_mean &&
+ (fg_extra ? (alpha_mean < 0.999) : (alpha_mean <= 1.0)),
+ MP(p);
+ MRGB(here);MRGB(background);MRGB(foreground);MI(fg_extra);
+ MF(alpha_mean); MF(alpha[0]);MF(alpha[1]);MF(alpha[2]); );
+
+ return alpha_mean;
+}
+
static void find_commodity(int offset, Rect *rr) {
/* rr->tl.x==-1 if offset out of range */
rr->tl.y= commbasey - offset*comminty;
REQUIRE_RECTANGLE(rr->tl.x,rr->br.y+1, rr->br.x,rr->br.y+1, "+");
}
-static void find_table_entry(Rect commod, int colno, Rect *cellr) {
- cellr->tl.y= commod.tl.y;
- cellr->br.y= commod.br.y;
- cellr->tl.x= !colno ? commod.tl.x : colrightx[colno-1]+2;
- cellr->br.x= colrightx[colno];
- debug_rect("cell", colno, *cellr);
- require_rectangle_r(*cellr, " o", __LINE__);
+static void find_table_entry(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 : colrightx[colno-1]+2;
+ cell->br.x= colrightx[colno];
+ debug_rect("cell", colno, *cell);
+
+ const RgbImage *ri= cim->rgb;
+
+ Rgb background= ri_rgb(ri, cell->br.x, cell->br.y);
+ long bg_count=0, light_count=0, dark_count=0;
+ Point p;
+ FOR_P_RECT(p,*cell) {
+ Rgb here= ri_rgb(ri, p.x, p.y);
+ if (here == background) bg_count++;
+ else if (here < background) dark_count++;
+ else if (here > background) light_count++;
+ }
+ long total_count= RECT_W(*cell) * RECT_H(*cell);
+ 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;
+
+ MUST( !!dark_count != !!light_count,
+ MR(*cell);MIL(total_count);MIL(bg_count);
+ MIL(light_count);MIL(dark_count) );
+
+ 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);
+
+ Rgb foreground;
+ double fg_extra;
+ if (light_count) {
+ foreground= 0xffffffU;
+ fg_extra= +1;
+ } else {
+ foreground= 0;
+ fg_extra= -1;
+ }
+ int monochrome= 1;
+
+ FOR_P_RECT(p,*cell) {
+ double alpha= find_aa_density(ri,p,background,foreground,fg_extra);
+
+ int here_int= floor((AAMAXVAL+1)*alpha);
+ assert(here_int <= AAMAXVAL);
+ if (!(here_int==0 || here_int==AAMAXVAL)) monochrome=0;
+ cim->d[p.y * cim->w + p.x]= '0' + here_int;
+ }
+
+ debug_rect("cell0M", colno, *cell);
+
+ require_rectangle_r(*cell, "0123456789", __LINE__);
}
static void ocr_rectangle(Rect r, const OcrCellType ct, FILE *tsv_output) {
Pixcol cols[w+1];
int x,y;
for (x=0; x<w; x++) {
- Pixcol cx, rv;
- for (y=0, cx=0, rv=1; y<text_h; y++, rv<<=1) {
+ 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);
- switch (pixel) {
- case ' ': break;
- case 'o': cx |= rv; break;
- default:
- MUST(!"wrong pixel",
- MC(pixel);MP(here);MSB(ocr_celltype_name(ct));MR(r); );
- }
+ 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');
}
- cols[x]= cx;
}
- cols[w]= 0;
+ FILLZERO(cols[w]);
results= ocr(rd,ct,w,cols);
for (res=results; res->s; res++)
if (!rd)
rd= ocr_init(text_h);
+ progress("Scanning page %d...",page);
+
for (tryrect= +cim->h; tryrect >= -cim->h; tryrect--) {
find_commodity(tryrect, &thisr);
if (thisr.tl.x < 0)
sysassert(!fflush(tsv_output));
}
}
+ progress("Commodity table scan complete.");
}
//static Rect islandnamer;
-void find_islandname(void) {
- Rect sunshiner;
- char sunshine[MAXIMGIDENT], archisland[MAXIMGIDENT];
+DEBUG_DEFINE_SOME_DEBUGF(structcolon,colondebugf)
- RgbImage *ri= alloc_rgb_image(page0_rgbimage->w, page0_rgbimage->h);
- const unsigned char *srcp;
- unsigned char *destp, *endp;
- for (srcp=page0_rgbimage->data, destp=ri->data,
- endp= ri->data + 3 * ri->w * ri->h;
- destp < endp;
- srcp++, destp++) {
- unsigned char c= *srcp & 0xf0;
- *destp= c | (c>>4);
- }
+Rect find_sunshine_widget(void) {
+ Rect sunshiner;
- cim= page_images[0];
-
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);
+ 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);
+ 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(RgbImage *ri) {
+ find_structure(page_images[0], 0);
+
+ Rect sunshiner= find_sunshine_widget();
+ char sunshine[MAXIMGIDENT], archisland[MAXIMGIDENT];
+
+ const unsigned char *srcp;
+ unsigned char *destp, *endp;
+ for (srcp=page_images[0]->rgb->data, destp=ri->data,
+ endp= ri->data + 3 * ri->w * ri->h;
+ destp < endp;
+ srcp++, destp++) {
+ unsigned char c= *srcp & 0xf0;
+ *destp= c | (c>>4);
+ }
identify_rgbimage(ri, sunshiner, sunshine, "sunshine widget");
- fprintf(stderr,"sunshine: `%s'\n",sunshine);
- if (!memcmp(sunshine,"Ship ",5)) {
+ if (!memcmp(sunshine,"Vessel ",5)) {
Rect islandnamer;
islandnamer.tl.x= cim->w - 1034 + 885;
islandnamer.tl.y= 128;
islandnamer.br.y= 156;
-#define IR_VSHRINK_MUST(CONDMUST,PRWHY) \
- do{ if (!(CONDMUST)) goto not_in_radar; }while(0)
+ 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",5, 0, IR_VSHRINK_MUST, tl,y,+1);
- ADJUST_BOX(islandnamer,"o",5, cim->h, IR_VSHRINK_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;
}
identify_rgbimage(ri, islandnamer, archisland, "island");
- fprintf(stderr,"radar: `%s'\n",archisland);
+ } else if (!strcmp(sunshine,"Land - Ahoy!")) {
+ Rect islandnamer;
- assert(!"radar ok");
-
- not_in_radar:
- assert(!"not in radar?");
+ 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;
+
+ for (p.y=islandnamer.tl.y; p.y<=islandnamer.br.y; p.y++) {
+ pattern <<= 1;
+ double alpha= find_aa_density(ri,p, 0xCCCCAA,0x002255,0);
+ if (alpha >= 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 (!(pattern & 1UL<<31) && 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;
+ }
+ }
+ 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 {
- assert(!"not vessel");
+
+ MUST(!"sunshine shows ship or ahoy", MS(sunshine) );
+
}
- free(ri);
+ char *delim= strstr(archisland," - ");
+ assert(delim);
+ archipelago= masprintf("%.*s", (int)(delim-archisland), archisland);
+ island= masprintf("%s", delim+3);
+
}