diff options
Diffstat (limited to 'core/src/fxge')
| -rw-r--r-- | core/src/fxge/freetype/fx_freetype.c | 338 |
1 files changed, 169 insertions, 169 deletions
diff --git a/core/src/fxge/freetype/fx_freetype.c b/core/src/fxge/freetype/fx_freetype.c index fe144d69a6..78dec9ad99 100644 --- a/core/src/fxge/freetype/fx_freetype.c +++ b/core/src/fxge/freetype/fx_freetype.c @@ -7,176 +7,176 @@ #include "../../../include/fxge/fx_freetype.h" #include "../../../../third_party/freetype/src/psnames/pstables.h" -static int xyq_search_node(char* glyph_name, int name_offset, int table_offset, wchar_t unicode)
-{
- int i, count;
-
- // copy letters
- while (1) {
- glyph_name[name_offset] = ft_adobe_glyph_list[table_offset] & 0x7f;
- name_offset++;
- table_offset++;
- if (!(ft_adobe_glyph_list[table_offset - 1] & 0x80)) break;
- }
- glyph_name[name_offset] = 0;
-
- // get child count
- count = ft_adobe_glyph_list[table_offset] & 0x7f;
-
- // check if we have value for this node
- if (ft_adobe_glyph_list[table_offset] & 0x80) {
- unsigned short thiscode = ft_adobe_glyph_list[table_offset + 1] * 256 + ft_adobe_glyph_list[table_offset + 2];
- if (thiscode == (unsigned short)unicode) // found it!
- return 1;
- table_offset += 3;
- }
- else
- table_offset++;
-
- // now search in sub-nodes
- if (count == 0) return 0;
- for (i = 0; i < count; i++) {
- int child_offset = ft_adobe_glyph_list[table_offset + i * 2] * 256 + ft_adobe_glyph_list[table_offset + i * 2 + 1];
- if (xyq_search_node(glyph_name, name_offset, child_offset, unicode))
- // found in child
- return 1;
- }
- return 0;
+static int xyq_search_node(char* glyph_name, int name_offset, int table_offset, wchar_t unicode) +{ + int i, count; + + // copy letters + while (1) { + glyph_name[name_offset] = ft_adobe_glyph_list[table_offset] & 0x7f; + name_offset++; + table_offset++; + if (!(ft_adobe_glyph_list[table_offset - 1] & 0x80)) break; + } + glyph_name[name_offset] = 0; + + // get child count + count = ft_adobe_glyph_list[table_offset] & 0x7f; + + // check if we have value for this node + if (ft_adobe_glyph_list[table_offset] & 0x80) { + unsigned short thiscode = ft_adobe_glyph_list[table_offset + 1] * 256 + ft_adobe_glyph_list[table_offset + 2]; + if (thiscode == (unsigned short)unicode) // found it! + return 1; + table_offset += 3; + } + else + table_offset++; + + // now search in sub-nodes + if (count == 0) return 0; + for (i = 0; i < count; i++) { + int child_offset = ft_adobe_glyph_list[table_offset + i * 2] * 256 + ft_adobe_glyph_list[table_offset + i * 2 + 1]; + if (xyq_search_node(glyph_name, name_offset, child_offset, unicode)) + // found in child + return 1; + } + return 0; } #define VARIANT_BIT 0x80000000UL -int FXFT_unicode_from_adobe_name(const char* glyph_name)
-{
- /* If the name begins with `uni', then the glyph name may be a */
- /* hard-coded unicode character code. */
- if (glyph_name[0] == 'u' &&
- glyph_name[1] == 'n' &&
- glyph_name[2] == 'i')
- {
- /* determine whether the next four characters following are */
- /* hexadecimal. */
-
- /* XXX: Add code to deal with ligatures, i.e. glyph names like */
- /* `uniXXXXYYYYZZZZ'... */
-
- FT_Int count;
- FT_UInt32 value = 0;
- const char* p = glyph_name + 3;
-
-
- for (count = 4; count > 0; count--, p++)
- {
- char c = *p;
- unsigned int d;
-
-
- d = (unsigned char)c - '0';
- if (d >= 10)
- {
- d = (unsigned char)c - 'A';
- if (d >= 6)
- d = 16;
- else
- d += 10;
- }
-
- /* Exit if a non-uppercase hexadecimal character was found */
- /* -- this also catches character codes below `0' since such */
- /* negative numbers cast to `unsigned int' are far too big. */
- if (d >= 16)
- break;
-
- value = (value << 4) + d;
- }
-
- /* there must be exactly four hex digits */
- if (count == 0)
- {
- if (*p == '\0')
- return value;
- if (*p == '.')
- return (FT_UInt32)(value | VARIANT_BIT);
- }
- }
-
- /* If the name begins with `u', followed by four to six uppercase */
- /* hexadecimal digits, it is a hard-coded unicode character code. */
- if (glyph_name[0] == 'u')
- {
- FT_Int count;
- FT_UInt32 value = 0;
- const char* p = glyph_name + 1;
-
-
- for (count = 6; count > 0; count--, p++)
- {
- char c = *p;
- unsigned int d;
-
-
- d = (unsigned char)c - '0';
- if (d >= 10)
- {
- d = (unsigned char)c - 'A';
- if (d >= 6)
- d = 16;
- else
- d += 10;
- }
-
- if (d >= 16)
- break;
-
- value = (value << 4) + d;
- }
-
- if (count <= 2)
- {
- if (*p == '\0')
- return value;
- if (*p == '.')
- return (FT_UInt32)(value | VARIANT_BIT);
- }
- }
-
- /* Look for a non-initial dot in the glyph name in order to */
- /* find variants like `A.swash', `e.final', etc. */
- {
- const char* p = glyph_name;
- const char* dot = NULL;
-
-
- for (; *p; p++)
- {
- if (*p == '.' && p > glyph_name)
- {
- dot = p;
- break;
- }
- }
-
- /* now look up the glyph in the Adobe Glyph List */
- if (!dot)
- return (FT_UInt32)ft_get_adobe_glyph_index(glyph_name, p);
- else
- return (FT_UInt32)(ft_get_adobe_glyph_index(glyph_name, dot) |
- VARIANT_BIT);
- }
-}
-
-void FXFT_adobe_name_from_unicode(char* glyph_name, wchar_t unicode)
-{
- int i, count;
-
- // start from top level node
- count = ft_adobe_glyph_list[1];
- for (i = 0; i < count; i++) {
- int child_offset = ft_adobe_glyph_list[i * 2 + 2] * 256 + ft_adobe_glyph_list[i * 2 + 3];
- if (xyq_search_node(glyph_name, 0, child_offset, unicode))
- return;
- }
-
- // failed, clear the buffer
- glyph_name[0] = 0;
-}
+int FXFT_unicode_from_adobe_name(const char* glyph_name) +{ + /* If the name begins with `uni', then the glyph name may be a */ + /* hard-coded unicode character code. */ + if (glyph_name[0] == 'u' && + glyph_name[1] == 'n' && + glyph_name[2] == 'i') + { + /* determine whether the next four characters following are */ + /* hexadecimal. */ + + /* XXX: Add code to deal with ligatures, i.e. glyph names like */ + /* `uniXXXXYYYYZZZZ'... */ + + FT_Int count; + FT_UInt32 value = 0; + const char* p = glyph_name + 3; + + + for (count = 4; count > 0; count--, p++) + { + char c = *p; + unsigned int d; + + + d = (unsigned char)c - '0'; + if (d >= 10) + { + d = (unsigned char)c - 'A'; + if (d >= 6) + d = 16; + else + d += 10; + } + + /* Exit if a non-uppercase hexadecimal character was found */ + /* -- this also catches character codes below `0' since such */ + /* negative numbers cast to `unsigned int' are far too big. */ + if (d >= 16) + break; + + value = (value << 4) + d; + } + + /* there must be exactly four hex digits */ + if (count == 0) + { + if (*p == '\0') + return value; + if (*p == '.') + return (FT_UInt32)(value | VARIANT_BIT); + } + } + + /* If the name begins with `u', followed by four to six uppercase */ + /* hexadecimal digits, it is a hard-coded unicode character code. */ + if (glyph_name[0] == 'u') + { + FT_Int count; + FT_UInt32 value = 0; + const char* p = glyph_name + 1; + + + for (count = 6; count > 0; count--, p++) + { + char c = *p; + unsigned int d; + + + d = (unsigned char)c - '0'; + if (d >= 10) + { + d = (unsigned char)c - 'A'; + if (d >= 6) + d = 16; + else + d += 10; + } + + if (d >= 16) + break; + + value = (value << 4) + d; + } + + if (count <= 2) + { + if (*p == '\0') + return value; + if (*p == '.') + return (FT_UInt32)(value | VARIANT_BIT); + } + } + + /* Look for a non-initial dot in the glyph name in order to */ + /* find variants like `A.swash', `e.final', etc. */ + { + const char* p = glyph_name; + const char* dot = NULL; + + + for (; *p; p++) + { + if (*p == '.' && p > glyph_name) + { + dot = p; + break; + } + } + + /* now look up the glyph in the Adobe Glyph List */ + if (!dot) + return (FT_UInt32)ft_get_adobe_glyph_index(glyph_name, p); + else + return (FT_UInt32)(ft_get_adobe_glyph_index(glyph_name, dot) | + VARIANT_BIT); + } +} + +void FXFT_adobe_name_from_unicode(char* glyph_name, wchar_t unicode) +{ + int i, count; + + // start from top level node + count = ft_adobe_glyph_list[1]; + for (i = 0; i < count; i++) { + int child_offset = ft_adobe_glyph_list[i * 2 + 2] * 256 + ft_adobe_glyph_list[i * 2 + 3]; + if (xyq_search_node(glyph_name, 0, child_offset, unicode)) + return; + } + + // failed, clear the buffer + glyph_name[0] = 0; +} |