X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~yarrgweb/git?p=ypp-sc-tools.web-live.git;a=blobdiff_plain;f=pctb%2Fstructure.c;h=e9df7334a73f04cf53c4754a0a14f7a21228180f;hp=28caa242ca21db947db139bef98da24aaf734c0b;hb=5f9478a284c640fde807ee4a1e18cae8438dca52;hpb=b250e5c1e033f3cd717039bebbec6c324b92cf90 diff --git a/pctb/structure.c b/pctb/structure.c index 28caa24..e9df733 100644 --- a/pctb/structure.c +++ b/pctb/structure.c @@ -40,7 +40,7 @@ DEBUG_DEFINE_DEBUGF(struct) #define TEXT_COLUMNS 2 #define MAX_COLUMNS 7 -static Rect mainr = { START_MAIN,START_MAIN }; +static Rect mainr; static int commbasey, comminty; static int colrightx[INTERESTING_COLUMNS]; static int text_h=-1, columns=-1; @@ -51,7 +51,12 @@ 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 */ @@ -89,6 +94,31 @@ const CanonColourInfo canoncolourinfos[]= { { 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, @@ -98,7 +128,6 @@ static void mustfail1(const char *file, int line, const char *what) { " * 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" - " * Your X display is 24bpp (NB some VNC servers use 16bpp by default)\n" "\n" "If all of these are true, please report this as a fault.\n\n" "Technical details:" @@ -126,7 +155,7 @@ static void mustfail2(void) { #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 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) @@ -213,7 +242,7 @@ static int commod_selector_matches(Rect search, const char *const *all, #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), \ + (search).TLBR.XY != (lim), \ MR((search));MSB(#TLBR);MSB(#XY) ); \ int got=0; \ Point p=(search).tl; \ @@ -243,6 +272,11 @@ void find_structure(CanonImage *im, int *max_relevant_y_r) { } } + Point mainr_tl= START_MAIN; + mainr.tl= mainr_tl; + WALK_UNTIL_MUST(mainr.tl, y,-1, whole.tl.y, ' '); + mainr.br= mainr.tl; + WALK_UNTIL_MUST(mainr.tl, x,-1, whole.tl.x, '*'); WALK_UNTIL_MUST(mainr.tl, y,-1, whole.tl.y, '*'); WALK_UNTIL_MUST(mainr.br, x,+1, whole.br.x, '*'); @@ -277,37 +311,48 @@ void find_structure(CanonImage *im, int *max_relevant_y_r) { debug_rect("mainr",1, mainr); - Point up = START_MAIN; - WALK_UNTIL_MUST(up, y,-1, mainr.tl.y, '+'); + 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, mainr.tl.y, MUST, tl,y,-1); + debug_rect("updown",__LINE__,updown); + updown.br.y= updown.tl.y; + updown.tl.y= updown.tl.y-1; - Point down = START_MAIN; - down.y++; - WALK_UNTIL_MUST(down, y,+1, mainr.br.y, '+'); + ADJUST_BOX(updown, "+*",>=,chkw, mainr.tl.y-1, MUST, tl,y,-1); + debug_rect("updown",__LINE__,updown); - commbasey= up.y; - comminty= down.y - up.y + 2; + commbasey= updown.tl.y + 1; + comminty= updown.br.y - updown.tl.y; - Point across= { mainr.tl.x, commbasey }; + Rect across= {{ mainr.tl.x - 1, commbasey }, + { mainr.tl.x, commbasey + comminty-2 }}; int colno=0; for (;;) { - MUST( get_p(across) != '+', MI(colno);MP(across);MR(mainr);MI(commbasey) ); - WALK_UNTIL(across, x,+1, mainr.br.x, '+'); - MUST( colno < MAX_COLUMNS, MP(across);MR(mainr);MI(commbasey); ); - int colrx= across.x; - if (colrx > mainr.br.x) colrx= mainr.br.x; + +#define LIMIT_QUITEQ(cond,mp) { if (!(cond)) break; } + debug_rect("across",colno*1000000+__LINE__, across); + ADJUST_BOX(across, "+",>=,comminty-1, mainr.br.x, LIMIT_QUITEQ, br,x,+1); + debug_rect("across",colno*1000000+__LINE__, across); + + MUST( colno < MAX_COLUMNS, MI(colno);MR(across);MR(mainr);MI(commbasey); ); + int colrx= across.br.x-1; + if (colrx >= mainr.br.x) colrx= mainr.br.x; if (colno < INTERESTING_COLUMNS) colrightx[colno]= colrx; colno++; - if (across.x >= mainr.br.x-1) + if (across.br.x >= mainr.br.x) break; - across.x++; - REQUIRE_RECTANGLE(across.x,mainr.tl.y, across.x,mainr.br.y, "+"); - across.x++; + REQUIRE_RECTANGLE(across.br.x,mainr.tl.y, across.br.x,mainr.br.y, "+"); + across.br.x++; } - MUST( colno >= MIN_COLUMNS, MI(colno);MR(mainr);MP(across); ); + MUST( colno >= MIN_COLUMNS, MI(colno);MR(mainr);MR(across); ); #define SET_ONCE(var,val) do{ \ int v= (val); \ @@ -390,15 +435,13 @@ static void file_read_image_ppm(FILE *f) { 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"); - - rgb= - ((unsigned long)rgb_buf[0]<<16) | - ((unsigned long)rgb_buf[1]<<8) | - (rgb_buf[2]); + if (rr!=3) fatal("PNM screenshot(s) file ends unexpectedly"); + r= rgb_buf[0]; + g= rgb_buf[1]; + b= rgb_buf[2]; }); sysassert(!ferror(screenshot_file)); @@ -436,6 +479,44 @@ void read_screenshots(void) { 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; @@ -460,68 +541,58 @@ static void find_table_entry(Rect commod, int colno, Rect *cell) { const RgbImage *ri= cim->rgb; - Rgb background= ri_rgb(ri, cell->br.x, cell->br.y); + Rgb background; + unsigned char chanbg[3]; long bg_count=0, light_count=0, dark_count=0; Point p; + + background= ri_rgb(ri, cell->br.x, cell->br.y); + memcpy(chanbg, RI_PIXEL(ri, cell->br.x, cell->br.y), 3); + 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++; + const unsigned char *here_pixel= RI_PIXEL(ri, p.x, p.y); + int i; + for (i=0; i<3; i++) { + unsigned here= here_pixel[i]; + 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); + 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; - 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) { + + if (light_count/16 > dark_count) { foreground= 0xffffffU; fg_extra= +1; - } else { + } 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; FOR_P_RECT(p,*cell) { - 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 alpha= find_aa_density(ri,p,background,foreground,fg_extra); - 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, - MI(i);MRGB(here);MRGB(background);MRGB(foreground); - MF(alpha_min);MF(alpha[i]);MF(alpha_max) ); - - MUST( 0 <= alpha_mean && alpha_mean < 0.999, - MRGB(here);MRGB(background);MRGB(foreground); - MF(alpha_mean); MF(alpha[0]);MF(alpha[1]);MF(alpha[2]); ); - int here_int= floor((AAMAXVAL+1)*alpha_mean); + 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; @@ -621,9 +692,13 @@ Rect find_sunshine_widget(void) { return sunshiner; } -void find_islandname(RgbImage *ri) { +void find_islandname(void) { find_structure(page_images[0], 0); + RgbImage *ri= alloc_rgb_image(page_images[0]->rgb->w, + page_images[0]->rgb->h); + memcpy(ri->data, page_images[0]->rgb->data, ri->w * ri->h * 3); + Rect sunshiner= find_sunshine_widget(); char sunshine[MAXIMGIDENT], archisland[MAXIMGIDENT]; @@ -684,24 +759,28 @@ void find_islandname(RgbImage *ri) { WALK_UNTIL_MUST(islandnamer.br,x, +1, cim->w, 'o'); debug_rect("islandnamer",__LINE__, islandnamer); - require_rectangle_r(islandnamer, "O*", __LINE__); +#define RW (RECT_W(islandnamer)) +#define RH (RECT_H(islandnamer)) - int rw= RECT_W(islandnamer); - ADJUST_BOX(islandnamer,"O",>=,rw-4, cim->h, MUST,br,y,+1); + ADJUST_BOX(islandnamer,"O",>=,RW-4, cim->h, MUST,br,y,+1); debug_rect("islandnamer",__LINE__, islandnamer); islandnamer.br.y += 2; - ADJUST_BOX(islandnamer,"O",>=,1, cim->h, MUST,br,y,+1); + + 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; - int rh= RECT_H(islandnamer); - ADJUST_BOX(islandnamer,"*",>=,rw, cim->h, MUST,br,y,+1); - ADJUST_BOX(islandnamer,"O",>=,rh, cim->w, MUST,tl,x,+1); debug_rect("islandnamer",__LINE__, islandnamer); - MUST( RECT_H(islandnamer) <= 31, MR(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; @@ -718,10 +797,15 @@ void find_islandname(RgbImage *ri) { for (p.y=islandnamer.tl.y; p.y<=islandnamer.br.y; p.y++) { pattern <<= 1; - switch (get_p(p)) { - case 'O': runs[nruns]++; pattern |= 1u; break; - case '*': if (runs[nruns]) { nruns++; runs[nruns]=0; } break; - default: abort(); + 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; + } } } @@ -744,6 +828,8 @@ void find_islandname(RgbImage *ri) { 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: