Reverse order of samples in Rgb and other optimisations

[ypp-sc-tools.main.git] / pctb / rgbimage.c

diff --git a/pctb/rgbimage.c b/pctb/rgbimage.c
index 798a1043decc6c8badbf5370a9b9df49ba55c5f9..dc9fa68996069fbc3518b5d445f6b1766622cf20 100644 (file)
--- a/pctb/rgbimage.c
+++ b/pctb/rgbimage.c
@@ -48,9 +48,12 @@
 
 #include "convert.h"
 
-static int identify(const RgbImage *base, Rect portion,
-                   char result[MAXIMGIDENT], const char *what) {
-  sysassert( dbfile_open("pixmaps.txt") );
+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__))
 
@@ -82,12 +85,16 @@ static int identify(const RgbImage *base, Rect 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);
-         diff |= (c != RI_PIXEL(base, portion.tl.x + x, portion.tl.y + y)[i]);
+         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) {
@@ -95,21 +102,46 @@ static int identify(const RgbImage *base, Rect portion,
       goto found;
     }
   }
+ not_found:
   result[0]= 0;
 
-found:
+ 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", RI_PIXEL(base,x,y)[i]);
+       fprintf(f," %3d", (rgb>>(i*8)) & 0xff);
     }
     putc('\n',f);
   }
@@ -119,6 +151,14 @@ static void fwrite_ppm(FILE *f, const RgbImage *base, Rect portion) {
 
 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;
@@ -141,7 +181,7 @@ void identify_rgbimage(const RgbImage *base, Rect portion,
 
 RgbImage *alloc_rgb_image(int w, int h) {
   RgbImage *ri;
-  ri= mmalloc(sizeof(*ri) + w*h*3);
+  ri= mmalloc(sizeof(*ri) + w*h*sizeof(ri->data[0]));
   ri->w= w;
   ri->h= h;
   return ri;