From 857b7efe1e301f670329c6836da52fbab8c5df66 Mon Sep 17 00:00:00 2001 From: Akira TAGOH Date: Mon, 6 Dec 2010 12:10:17 +0900 Subject: [PATCH] Add charset editing feature. The syntax to add any characters to the charset table looks like: Buggy Sans charset 0x3220 To remove any characters from the charset table: Buggy Sans charset 0x06CC 0x06D2 0x06D3 You could also use the range element for convenience: ... 0x06CC 0x06D2 0x06D3 ... --- fonts.dtd | 4 +- src/Makefile.am | 4 +- src/fccfg.c | 19 ++++++ src/fcdbg.c | 2 + src/fcint.h | 9 ++- src/fcxml.c | 156 ++++++++++++++++++++++++++++++++++++++++++++++-- 6 files changed, 185 insertions(+), 9 deletions(-) diff --git a/fonts.dtd b/fonts.dtd index cbdfdab..5f21e35 100644 --- a/fonts.dtd +++ b/fonts.dtd @@ -196,8 +196,8 @@ - - + + diff --git a/src/Makefile.am b/src/Makefile.am index 59b9c75..96500b4 100644 --- a/src/Makefile.am +++ b/src/Makefile.am @@ -140,7 +140,7 @@ PUBLIC_FILES = \ $(top_srcdir)/fontconfig/fontconfig.h \ $(top_srcdir)/src/fcdeprecate.h \ $(top_srcdir)/fontconfig/fcprivate.h - + PUBLIC_FT_FILES = \ $(top_srcdir)/fontconfig/fcfreetype.h @@ -160,7 +160,7 @@ fontconfig.def: $(PUBLIC_FILES) $(PUBLIC_FT_FILES) echo Generating $@ (echo EXPORTS; \ (cat $(PUBLIC_FILES) $(PUBLIC_FT_FILES) || echo 'FcERROR ()' ) | \ - grep '^Fc[^ ]* *(' | sed -e 's/ *(.*$$//' -e 's/^/ /' | \ + grep '^Fc[^ ]* *(' | sed -e 's/ *(.*$$//' -e 's/^/ /' | \ sort; \ echo LIBRARY libfontconfig-@LIBT_CURRENT_MINUS_AGE@.dll; \ echo VERSION @LIBT_CURRENT@.@LIBT_REVISION@) >$@ diff --git a/src/fccfg.c b/src/fccfg.c index 19a9fef..ad9f7d2 100644 --- a/src/fccfg.c +++ b/src/fccfg.c @@ -1036,6 +1036,25 @@ FcConfigEvaluate (FcPattern *p, FcExpr *e) break; } break; + case FcTypeCharSet: + switch (e->op) { + case FcOpPlus: + v.type = FcTypeCharSet; + v.u.c = FcCharSetUnion (vl.u.c, vr.u.c); + if (!v.u.c) + v.type = FcTypeVoid; + break; + case FcOpMinus: + v.type = FcTypeCharSet; + v.u.c = FcCharSetSubtract (vl.u.c, vr.u.c); + if (!v.u.c) + v.type = FcTypeVoid; + break; + default: + v.type = FcTypeVoid; + break; + } + break; default: v.type = FcTypeVoid; break; diff --git a/src/fcdbg.c b/src/fcdbg.c index fc3b596..79e1953 100644 --- a/src/fcdbg.c +++ b/src/fcdbg.c @@ -160,6 +160,7 @@ FcOpPrint (FcOp op) case FcOpDouble: printf ("Double"); break; case FcOpString: printf ("String"); break; case FcOpMatrix: printf ("Matrix"); break; + case FcOpRange: printf ("Range"); break; case FcOpBool: printf ("Bool"); break; case FcOpCharSet: printf ("CharSet"); break; case FcOpField: printf ("Field"); break; @@ -210,6 +211,7 @@ FcExprPrint (const FcExpr *expr) expr->u.mval->xy, expr->u.mval->yx, expr->u.mval->yy); break; + case FcOpRange: break; case FcOpBool: printf ("%s", expr->u.bval ? "true" : "false"); break; case FcOpCharSet: printf ("charset\n"); break; case FcOpNil: printf ("nil\n"); break; diff --git a/src/fcint.h b/src/fcint.h index 2bc7878..9519fff 100644 --- a/src/fcint.h +++ b/src/fcint.h @@ -216,7 +216,7 @@ struct _FcPattern { fs->fonts[i]) typedef enum _FcOp { - FcOpInteger, FcOpDouble, FcOpString, FcOpMatrix, FcOpBool, FcOpCharSet, + FcOpInteger, FcOpDouble, FcOpString, FcOpMatrix, FcOpRange, FcOpBool, FcOpCharSet, FcOpNil, FcOpField, FcOpConst, FcOpAssign, FcOpAssignReplace, @@ -507,6 +507,13 @@ typedef struct _FcFileTime { typedef struct _FcCharMap FcCharMap; +typedef struct _FcRange FcRange; + +struct _FcRange { + FcChar32 begin; + FcChar32 end; +}; + /* fcblanks.c */ /* fccache.c */ diff --git a/src/fcxml.c b/src/fcxml.c index 2bd67bf..94e2d4b 100644 --- a/src/fcxml.c +++ b/src/fcxml.c @@ -133,6 +133,18 @@ FcExprCreateBool (FcConfig *config, FcBool b) return e; } +static FcExpr * +FcExprCreateCharSet (FcConfig *config, FcCharSet *charset) +{ + FcExpr *e = FcConfigAllocExpr (config); + if (e) + { + e->op = FcOpCharSet; + e->u.cval = FcCharSetCopy (charset); + } + return e; +} + static FcExpr * FcExprCreateField (FcConfig *config, const char *field) { @@ -185,6 +197,8 @@ FcExprDestroy (FcExpr *e) case FcOpMatrix: FcMatrixFree (e->u.mval); break; + case FcOpRange: + break; case FcOpCharSet: FcCharSetDestroy (e->u.cval); break; @@ -277,8 +291,9 @@ typedef enum _FcElement { FcElementDouble, FcElementString, FcElementMatrix, + FcElementRange, FcElementBool, - FcElementCharset, + FcElementCharSet, FcElementName, FcElementConst, FcElementOr, @@ -338,8 +353,9 @@ static const struct { { "double", FcElementDouble }, { "string", FcElementString }, { "matrix", FcElementMatrix }, + { "range", FcElementRange }, { "bool", FcElementBool }, - { "charset", FcElementCharset }, + { "charset", FcElementCharSet }, { "name", FcElementName }, { "const", FcElementConst }, { "or", FcElementOr }, @@ -401,7 +417,9 @@ typedef enum _FcVStackTag { FcVStackInteger, FcVStackDouble, FcVStackMatrix, + FcVStackRange, FcVStackBool, + FcVStackCharSet, FcVStackTest, FcVStackExpr, @@ -418,7 +436,9 @@ typedef struct _FcVStack { int integer; double _double; FcMatrix *matrix; + FcRange range; FcBool bool_; + FcCharSet *charset; FcTest *test; FcQual qual; @@ -741,6 +761,18 @@ FcVStackPushMatrix (FcConfigParse *parse, FcMatrix *matrix) return FcTrue; } +static FcBool +FcVStackPushRange (FcConfigParse *parse, FcRange *range) +{ + FcVStack *vstack = FcVStackCreateAndPush (parse); + if (!vstack) + return FcFalse; + vstack->u.range.begin = range->begin; + vstack->u.range.end = range->end; + vstack->tag = FcVStackRange; + return FcTrue; +} + static FcBool FcVStackPushBool (FcConfigParse *parse, FcBool bool_) { @@ -752,6 +784,20 @@ FcVStackPushBool (FcConfigParse *parse, FcBool bool_) return FcTrue; } +static FcBool +FcVStackPushCharSet (FcConfigParse *parse, FcCharSet *charset) +{ + FcVStack *vstack; + if (!charset) + return FcFalse; + vstack = FcVStackCreateAndPush (parse); + if (!vstack) + return FcFalse; + vstack->u.charset = charset; + vstack->tag = FcVStackCharSet; + return FcTrue; +} + static FcBool FcVStackPushTest (FcConfigParse *parse, FcTest *test) { @@ -843,8 +889,12 @@ FcVStackPopAndDestroy (FcConfigParse *parse) case FcVStackMatrix: FcMatrixFree (vstack->u.matrix); break; + case FcVStackRange: case FcVStackBool: break; + case FcVStackCharSet: + FcCharSetDestroy (vstack->u.charset); + break; case FcVStackTest: FcTestDestroy (vstack->u.test); break; @@ -1241,6 +1291,49 @@ FcParseMatrix (FcConfigParse *parse) FcVStackPushMatrix (parse, &m); } +static void +FcParseRange (FcConfigParse *parse) +{ + FcVStack *vstack; + FcRange r; + FcChar32 n; + int count = 1; + + while ((vstack = FcVStackPeek (parse))) + { + if (count < 0) + { + FcConfigMessage (parse, FcSevereError, "too many elements in range"); + return; + } + switch (vstack->tag) { + case FcVStackInteger: + n = vstack->u.integer; + break; + default: + FcConfigMessage (parse, FcSevereError, "invalid element in range"); + break; + } + if (count == 1) + r.end = n; + else + r.begin = n; + count--; + FcVStackPopAndDestroy (parse); + } + if (count < 0) + { + if (r.begin > r.end) + { + FcConfigMessage (parse, FcSevereError, "invalid range"); + return; + } + FcVStackPushRange (parse, &r); + } + else + FcConfigMessage (parse, FcSevereError, "invalid range"); +} + static FcBool FcConfigLexBool (FcConfigParse *parse, const FcChar8 *bool_) { @@ -1269,6 +1362,48 @@ FcParseBool (FcConfigParse *parse) FcStrBufDestroy (&parse->pstack->str); } +static void +FcParseCharSet (FcConfigParse *parse) +{ + FcVStack *vstack; + FcCharSet *charset = FcCharSetCreate (); + FcChar32 i; + int n = 0; + + while ((vstack = FcVStackPeek (parse))) + { + switch (vstack->tag) { + case FcVStackInteger: + if (!FcCharSetAddChar (charset, vstack->u.integer)) + { + FcConfigMessage (parse, FcSevereWarning, "invalid character: 0x%04x", vstack->u.integer); + } + else + n++; + break; + case FcVStackRange: + for (i = vstack->u.range.begin; i <= vstack->u.range.end; i++) + { + if (!FcCharSetAddChar (charset, i)) + { + FcConfigMessage (parse, FcSevereWarning, "invalid character: 0x%04x", i); + } + else + n++; + } + break; + default: + FcConfigMessage (parse, FcSevereError, "invalid element in charset"); + break; + } + FcVStackPopAndDestroy (parse); + } + if (n > 0) + FcVStackPushCharSet (parse, charset); + else + FcCharSetDestroy (charset); +} + static FcBool FcConfigLexBinding (FcConfigParse *parse, const FcChar8 *binding_string, @@ -1515,9 +1650,14 @@ FcPopExpr (FcConfigParse *parse) case FcVStackMatrix: expr = FcExprCreateMatrix (parse->config, vstack->u.matrix); break; + case FcVStackRange: + break; case FcVStackBool: expr = FcExprCreateBool (parse->config, vstack->u.bool_); break; + case FcVStackCharSet: + expr = FcExprCreateCharSet (parse->config, vstack->u.charset); + break; case FcVStackTest: break; case FcVStackExpr: @@ -1934,6 +2074,11 @@ FcPopValue (FcConfigParse *parse) value.u.b = vstack->u.bool_; value.type = FcTypeBool; break; + case FcVStackCharSet: + value.u.c = FcCharSetCopy (vstack->u.charset); + if (value.u.c) + value.type = FcTypeCharSet; + break; default: FcConfigMessage (parse, FcSevereWarning, "unknown pattern element %d", vstack->tag); @@ -2199,11 +2344,14 @@ FcEndElement(void *userData, const XML_Char *name) case FcElementMatrix: FcParseMatrix (parse); break; + case FcElementRange: + FcParseRange (parse); + break; case FcElementBool: FcParseBool (parse); break; - case FcElementCharset: -/* FcParseCharset (parse); */ + case FcElementCharSet: + FcParseCharSet (parse); break; case FcElementSelectfont: break; -- 2.39.2