X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Ffont-flt.c;h=5d2c8dcf0bf1e836eb75b2e3edd1fb30a6e130ca;hb=e41e9362eb5e1d54ba1001e5d0f1715784a849db;hp=e507eb6d175ddce10807cffcd38d843af3210a29;hpb=9105177102aaf929975810a4e0a3c4263559059e;p=m17n%2Fm17n-lib.git

diff --git a/src/font-flt.c b/src/font-flt.c
index e507eb6..5d2c8dc 100644
--- a/src/font-flt.c
+++ b/src/font-flt.c
@@ -263,6 +263,17 @@ static MSymbol Mcond, Mrange;
 
 #define GLYPH_CODE_INDEX(code) ((code) - GLYPH_CODE_MIN)
 
+#define UPDATE_CLUSTER_RANGE(ctx, g)		\
+  do {						\
+    if ((ctx)->cluster_begin_idx)		\
+      {						\
+	if (ctx->cluster_begin_pos > (g).pos)	\
+	  ctx->cluster_begin_pos = (g).pos;	\
+	if (ctx->cluster_end_pos < (g).to)	\
+	  ctx->cluster_end_pos = (g).to;	\
+      }						\
+  } while (0);
+
 enum FontLayoutCmdRuleSrcType
   {
     SRC_REGEX,
@@ -314,19 +325,11 @@ enum FontLayoutCmdType
 
 typedef struct
 {
-  MSymbol script;
-  MSymbol langsys;
-  MSymbol gsub_features;
-  MSymbol gpos_features;
-} FontLayoutCmdOTF;
-
-typedef struct
-{
   enum FontLayoutCmdType type;
   union {
     FontLayoutCmdRule rule;
     FontLayoutCmdCond cond;
-    FontLayoutCmdOTF otf;
+    MFontCapability *otf;
   } body;
 } FontLayoutCmd;
 
@@ -399,49 +402,31 @@ load_category_table (MPlist *plist)
 	[FEATURE[,FEATURE]*] | ' '  */
 
 static int
-load_otf_command (FontLayoutCmd *cmd, char *name)
+load_otf_command (FontLayoutCmd *cmd, MSymbol sym)
 {
-  char *p = name, *beg;
-
-  cmd->type = FontLayoutCmdTypeOTF;
-  cmd->body.otf.script = cmd->body.otf.langsys = Mnil;
-  cmd->body.otf.gsub_features = cmd->body.otf.gpos_features = Mt;
+  char *name = MSYMBOL_NAME (sym);
 
-  while (*p)
+  if (name[0] != ':')
     {
-      if (*p == ':')
-	{
-	  for (beg = ++p; *p && *p != '/' && *p != '=' && *p != '+'; p++);
-	  if (beg < p)
-	    cmd->body.otf.script = msymbol__with_len (beg, p - beg);
-	}
-      else if (*p == '/')
-	{
-	  for (beg = ++p; *p && *p != '=' && *p != '+'; p++);
-	  if (beg < p)
-	    cmd->body.otf.langsys = msymbol__with_len (beg, p - beg);
-	}
-      else if (*p == '=')
-	{
-	  for (beg = ++p; *p && *p != '+'; p++);
-	  if (beg < p)
-	    cmd->body.otf.gsub_features = msymbol__with_len (beg, p - beg);
-	  else
-	    cmd->body.otf.gsub_features = Mnil;
-	}
-      else if (*p == '+')
-	{
-	  for (beg = ++p; *p && *p != '+'; p++);
-	  if (beg < p)
-	    cmd->body.otf.gpos_features = msymbol__with_len (beg, p - beg);
-	  else
-	    cmd->body.otf.gpos_features = Mnil;
-	}
-      else
-	p++;
+      /* This is old format of "otf:...".  Change it to ":otf=...".  */
+      char *str = alloca (MSYMBOL_NAMELEN (sym) + 2);
+
+      sprintf (str, ":otf=");
+      strcat (str, name + 4);
+      sym = msymbol (str);
     }
 
-  return (cmd->body.otf.script == Mnil ? -1 : 0);
+  cmd->body.otf = mfont__get_capability (sym);
+  if (! cmd->body.otf)
+    return -1;
+  if (cmd->body.otf->script == Mnil)
+    {
+      cmd->body.otf = NULL;
+      return -1;
+    }
+  M17N_OBJECT_REF (cmd->body.otf);
+  cmd->type = FontLayoutCmdTypeOTF;
+  return 0;
 }
 
 
@@ -725,8 +710,11 @@ load_command (FontLayoutStage *stage, MPlist *plist,
       FontLayoutCmd cmd;
 
       if (len > 4
-	  && ! strncmp (name, "otf:", 4)
-	  && load_otf_command (&cmd, name + 3) >= 0)
+	  && ((name[0] == 'o' && name[1] == 't'
+	       && name[2] == 'f' && name[3] == ':')
+	      || (name[0] == ':' && name[1] == 'o' && name[2] == 't'
+		  && name[3] == 'f' && name[4] == '='))
+	  && load_otf_command (&cmd, sym) >= 0)
 	{
 	  if (id == INVALID_CMD_ID)
 	    {
@@ -803,6 +791,8 @@ free_flt_command (FontLayoutCmd *cmd)
     }
   else if (cmd->type == FontLayoutCmdTypeCond)
     free (cmd->body.cond.cmd_ids);
+  else if (cmd->type == FontLayoutCmdTypeOTF)
+    M17N_OBJECT_UNREF (cmd->body.otf);
 }
 
 /* Load a generator from PLIST into a newly allocated FontLayoutStage,
@@ -999,7 +989,8 @@ run_rule (int depth,
       if (i < len)
 	return 0;
       to = from + len;
-      MDEBUG_PRINT1 (" (SEQ 0x%X", rule->src.seq.codes[0]);
+      MDEBUG_PRINT3 ("\n [FLT] %*s(SEQ 0x%X", depth, "",
+		     rule->src.seq.codes[0]);
     }
   else if (rule->src_type == SRC_RANGE)
     {
@@ -1012,7 +1003,7 @@ run_rule (int depth,
 	return 0;
       ctx->code_offset = head - rule->src.range.from;
       to = from + 1;
-      MDEBUG_PRINT2 (" (RANGE 0x%X-0x%X",
+      MDEBUG_PRINT4 ("\n [FLT] %*s(RANGE 0x%X-0x%X", depth, "",
 		     rule->src.range.from, rule->src.range.to);
     }
   else if (rule->src_type == SRC_REGEX)
@@ -1030,7 +1021,7 @@ run_rule (int depth,
 			NMATCH, pmatch, 0);
       if (result == 0 && pmatch[0].rm_so == 0)
 	{
-	  MDEBUG_PRINT3 (" (REGEX \"%s\" \"%s\" %d",
+	  MDEBUG_PRINT5 ("\n [FLT] %*s(REGEX \"%s\" \"%s\" %d", depth, "",
 			 rule->src.re.pattern,
 			 ctx->encoded + from - ctx->encoded_offset,
 			 pmatch[0].rm_eo);
@@ -1062,7 +1053,7 @@ run_rule (int depth,
       if (from < 0)
 	return 0;
       to = ctx->match_indices[rule->src.match_idx * 2 + 1];
-      MDEBUG_PRINT1 (" (INDEX %d", rule->src.match_idx);
+      MDEBUG_PRINT3 ("\n [FLT] %*s(INDEX %d", depth, "", rule->src.match_idx);
     }
 
   consumed = 0;
@@ -1077,13 +1068,6 @@ run_rule (int depth,
 	    continue;
 	  i--;
 	}
-      if (ctx->cluster_begin_idx)
-	{
-	  if (ctx->cluster_begin_pos > MGLYPH (from)->pos)
-	    ctx->cluster_begin_pos = MGLYPH (from)->pos;
-	  if (ctx->cluster_end_pos < MGLYPH (to)->pos)
-	    ctx->cluster_end_pos = MGLYPH (to)->pos;
-	}
       pos = run_command (depth, rule->cmd_ids[i], gstring, from, to, ctx);
       if (pos < 0)
 	MERROR (MERROR_DRAW, -1);
@@ -1122,17 +1106,27 @@ run_cond (int depth,
 
 static int
 run_otf (int depth,
-	 FontLayoutCmdOTF *otf_cmd, MGlyphString *gstring, int from, int to,
+	 MFontCapability *otf_cmd, MGlyphString *gstring, int from, int to,
 	 FontLayoutContext *ctx)
 {
 #ifdef HAVE_OTF
-  to = mfont__ft_drive_otf (gstring, from, to,
-			    otf_cmd->script, otf_cmd->langsys,
-			    otf_cmd->gsub_features, otf_cmd->gpos_features);
+  int from_idx = gstring->used;
+
+  MDEBUG_PRINT4 ("\n [FLT] %*s(OTF %s,%s)", depth, "",
+		 (! otf_cmd->features[MFONT_OTT_GSUB].str ? ""
+		  : otf_cmd->features[MFONT_OTT_GSUB].str),
+		 (! otf_cmd->features[MFONT_OTT_GPOS].str ? ""
+		  : otf_cmd->features[MFONT_OTT_GPOS].str));
+  to = mfont__ft_drive_otf (gstring, from, to, otf_cmd);
+  if (ctx->cluster_begin_idx)
+    for (; from_idx < gstring->used; from_idx++)
+      UPDATE_CLUSTER_RANGE (ctx, gstring->glyphs[from_idx]);
 #endif
   return to;
 }
 
+extern char *dump_combining_code (int code);
+
 static int
 run_command (int depth, int id, MGlyphString *gstring, int from, int to,
 	     FontLayoutContext *ctx)
@@ -1151,7 +1145,7 @@ run_command (int depth, int id, MGlyphString *gstring, int from, int to,
 	g = *(MGLYPH (from - 1));
       g.type = GLYPH_CHAR;
       g.code = ctx->code_offset + id;
-      MDEBUG_PRINT1 (" (DIRECT 0x%X", g.code);
+      MDEBUG_PRINT3 ("\n [FLT] %*s(DIRECT 0x%X", depth, "", g.code);
       if (ctx->combining_code)
 	g.combining_code = ctx->combining_code;
       if (ctx->left_padding)
@@ -1166,6 +1160,7 @@ run_command (int depth, int id, MGlyphString *gstring, int from, int to,
 	    g.to = tmp->to;
 	}
       APPEND_GLYPH (gstring, g);
+      UPDATE_CLUSTER_RANGE (ctx, g);
       ctx->code_offset = ctx->combining_code = ctx->left_padding = 0;
       MDEBUG_PRINT (")");
       return (from);
@@ -1184,7 +1179,7 @@ run_command (int depth, int id, MGlyphString *gstring, int from, int to,
       else if (cmd->type == FontLayoutCmdTypeCond)
 	to = run_cond (depth, &cmd->body.cond, gstring, from, to, ctx);
       else if (cmd->type == FontLayoutCmdTypeOTF)
-	to = run_otf (depth, &cmd->body.otf, gstring, from, to, ctx);
+	to = run_otf (depth, cmd->body.otf, gstring, from, to, ctx);
 
       if (to < 0)
 	return -1;
@@ -1194,6 +1189,8 @@ run_command (int depth, int id, MGlyphString *gstring, int from, int to,
   if (id <= CMD_ID_OFFSET_COMBINING)
     {
       ctx->combining_code = CMD_ID_TO_COMBINING_CODE (id);
+      MDEBUG_PRINT3 ("\n [FLT] %*s(CMB %s)", depth, "",
+		     dump_combining_code (ctx->combining_code));
       return from;
     }
 
@@ -1209,6 +1206,8 @@ run_command (int depth, int id, MGlyphString *gstring, int from, int to,
 	if (ctx->left_padding)
 	  g.left_padding = ctx->left_padding;
 	APPEND_GLYPH (gstring, g);
+	UPDATE_CLUSTER_RANGE (ctx, g);
+	MDEBUG_PRINT3 ("\n [FLT] %*s(COPY 0x%X)", depth, "", g.code);
 	ctx->code_offset = ctx->combining_code = ctx->left_padding = 0;
 	return (from + 1);
       }
@@ -1216,7 +1215,7 @@ run_command (int depth, int id, MGlyphString *gstring, int from, int to,
     case CMD_ID_CLUSTER_BEGIN:
       if (! ctx->cluster_begin_idx)
 	{
-	  MDEBUG_PRINT1 (" <%d", MGLYPH (from)->pos);
+	  MDEBUG_PRINT3 ("\n [FLT] %*s<%d", depth, "", MGLYPH (from)->pos);
 	  ctx->cluster_begin_idx = gstring->used;
 	  ctx->cluster_begin_pos = MGLYPH (from)->pos;
 	  ctx->cluster_end_pos = MGLYPH (from)->to;
@@ -1320,7 +1319,7 @@ mfont__flt_run (MGlyphString *gstring, int from, int to, MRealizedFace *rface)
   MCharTable *table;
   int encoded_len;
   int match_indices[NMATCH];
-  MSymbol layouter_name = rface->rfont->layouter;
+  MSymbol layouter_name = rface->layouter;
   MFontLayoutTable *layouter = get_font_layout_table (layouter_name);
   MRealizedFace *ascii_rface = rface->ascii_rface;
   FontLayoutStage *stage;
@@ -1381,11 +1380,29 @@ mfont__flt_run (MGlyphString *gstring, int from, int to, MRealizedFace *rface)
       int len = to - from;
       int result;
 
-      MDEBUG_PRINT1 ("\n [FLT]   (STAGE %d", stage_idx);
+      ctx.code_offset = ctx.combining_code = ctx.left_padding = 0;
+      MDEBUG_PRINT2 ("\n [FLT]   (STAGE %d \"%s\"", stage_idx, ctx.encoded);
+      if (mdebug__flag & mdebug_mask
+	  && ctx.encoded_offset < to)
+	{
+	  if (gstring->glyphs[ctx.encoded_offset].type == GLYPH_PAD)
+	    fprintf (stderr, " (|");
+	  else
+	    fprintf (stderr, " (%X", gstring->glyphs[ctx.encoded_offset].code);
+	  for (i = ctx.encoded_offset + 1; i < to; i++)
+	    {
+	      if (gstring->glyphs[i].type == GLYPH_PAD)
+		fprintf (stderr, " |");
+	      else
+		fprintf (stderr, " %X", gstring->glyphs[i].code);
+	    }
+	  fprintf (stderr, ")");
+	}
+
       gidx = gstring->used;
       ctx.stage = stage;
 
-      result = run_command (2, INDEX_TO_CMD_ID (0), gstring,
+      result = run_command (4, INDEX_TO_CMD_ID (0), gstring,
 			    ctx.encoded_offset, to, &ctx);
       MDEBUG_PRINT (")");
       if (result < 0)
@@ -1436,8 +1453,6 @@ mfont__flt_run (MGlyphString *gstring, int from, int to, MRealizedFace *rface)
       ctx.match_indices[1] = to;
     }
 
-  MDEBUG_PRINT (")\n");
-
   if (from == to)
     {
       /* Somehow there's no glyph contributing to characters between
@@ -1465,8 +1480,8 @@ mfont__flt_run (MGlyphString *gstring, int from, int to, MRealizedFace *rface)
 
       for (g = MGLYPH (from); g != gend; g++)
 	if (g->type == GLYPH_CHAR && ! g->otf_encoded)
-	  g->code
-	    = (rface->rfont->driver->encode_char) (rface->rfont, g->code);
+	  g->code = ((rface->rfont->driver->encode_char)
+		     (NULL, (MFont *) rface->rfont, NULL, g->code));
       for (i = 0; i < len; i++)
 	glyphs[i] = NULL;
       for (g = MGLYPH (from); g != gend; g++)
@@ -1498,6 +1513,25 @@ mfont__flt_run (MGlyphString *gstring, int from, int to, MRealizedFace *rface)
 	    latest = glyphs[i];
 	}
     }
+  MDEBUG_PRINT ("\n [FLT]   (RESULT (");
+  if (mdebug__flag & mdebug_mask
+      && ctx.encoded_offset < to)
+    {
+      if (gstring->glyphs[from].type == GLYPH_PAD)
+	fprintf (stderr, "|");
+      else
+	fprintf (stderr, "%X", gstring->glyphs[from].code);
+      for (from++; from < to; from++)
+	{
+	  if (gstring->glyphs[from].type == GLYPH_PAD)
+	    fprintf (stderr, " |");
+	  else
+	    fprintf (stderr, " %X", gstring->glyphs[from].code);
+	}
+      fprintf (stderr, "))");
+    }
+  MDEBUG_PRINT (")\n");
+
   return to;
 }