diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/lua_core.c | 8 | ||||
| -rw-r--r-- | src/text.c | 136 |
2 files changed, 140 insertions, 4 deletions
diff --git a/src/lua_core.c b/src/lua_core.c index 3465fce..a7c9f57 100644 --- a/src/lua_core.c +++ b/src/lua_core.c @@ -1757,6 +1757,14 @@ void luaRegister() { assingGlobalFunction( "GetGlyphInfoOffset", ltextGetGlyphInfoOffset ); assingGlobalFunction( "GetGlyphInfoAdvanceX", ltextGetGlyphInfoAdvanceX ); assingGlobalFunction( "GetGlyphInfoImage", ltextGetGlyphInfoImage ); + /* Text codepoints management functions (unicode characters). */ + assingGlobalFunction( "LoadUTF8", ltextLoadUTF8 ); + assingGlobalFunction( "LoadCodepoints", ltextLoadCodepoints ); + assingGlobalFunction( "GetCodepointCount", ltextGetCodepointCount ); + assingGlobalFunction( "GetCodepoint", ltextGetCodepoint ); + assingGlobalFunction( "GetCodepointNext", ltextGetCodepointNext ); + assingGlobalFunction( "GetCodepointPrevious", ltextGetCodepointPrevious ); + assingGlobalFunction( "CodepointToUTF8", ltextCodepointToUTF8 ); /* Audio. */ /* Audio device management functions. */ @@ -698,7 +698,7 @@ int ltextGetGlyphIndex( lua_State *L ) { /* > glyphInfo = RL.GetGlyphInfo( Font font, int codepoint ) -Get glyph font info data for a codepoint (unicode character), fallback to '?' if not found +Get glyph font info data for a codepoint (unicode character), fallback to '?' if not found. Return as lightuserdata - Success return GlyphInfo */ @@ -707,7 +707,7 @@ int ltextGetGlyphInfo( lua_State *L ) { int codepoint = luaL_checkinteger( L, 2 ); int id = GetGlyphIndex( *font, codepoint ); - uluaPushGlyphInfo( L, font->glyphs[id] ); + lua_pushlightuserdata( L, &font->glyphs[id] ); return 1; } @@ -715,7 +715,7 @@ int ltextGetGlyphInfo( lua_State *L ) { /* > glyphInfo = RL.GetGlyphInfoByIndex( Font font, int index ) -Get glyph font info data by index +Get glyph font info data by index. Return as lightuserdata - Failure return nil - Success return GlyphInfo @@ -725,7 +725,7 @@ int ltextGetGlyphInfoByIndex( lua_State *L ) { int index = luaL_checkinteger( L, 2 ); if ( 0 <= index && index < font->glyphCount ) { - uluaPushGlyphInfo( L, font->glyphs[ index ] ); + lua_pushlightuserdata( L, &font->glyphs[ index ] ); } else { TraceLog( state->logLevelInvalid, "Glyph index %d out of bounds", index ); @@ -1005,3 +1005,131 @@ int ltextGetGlyphInfoImage( lua_State *L ) { return 1; } + +/* +## Text - Text codepoints management functions (unicode characters) +*/ + +/* +> string = RL.LoadUTF8( int{} codepoints ) + +Load UTF-8 text encoded from codepoints array + +- Success return string +*/ +int ltextLoadUTF8( lua_State *L ) { + int codepointCount = uluaGetTableLen( L, 1 ); + int codepoints[ codepointCount ]; + getCodepoints( L, codepoints, 1 ); + + char* string = LoadUTF8( codepoints, codepointCount ); + lua_pushstring( L, string ); + UnloadUTF8( string ); + + return 1; +} + +/* +> codepoints = RL.LoadCodepoints( string text ) + +Load all codepoints from a UTF-8 text string + +- Success return int{} +*/ +int ltextLoadCodepoints( lua_State *L ) { + const char* text = luaL_checkstring( L, 1 ); + + int count = 0; + int* codepoints = LoadCodepoints( text, &count ); + + for ( int i = 0; i < count; i++ ) { + lua_pushinteger( L, codepoints[i] ); + lua_rawseti( L, -2, i + 1 ); + } + UnloadCodepoints( codepoints ); + + return 1; +} + +/* +> count = RL.GetCodepointCount( string text ) + +Get total number of codepoints in a UTF-8 encoded string + +- Success return int +*/ +int ltextGetCodepointCount( lua_State *L ) { + const char* text = luaL_checkstring( L, 1 ); + + lua_pushinteger( L, GetCodepointCount( text ) ); + + return 1; +} + +/* +> codepoint, codepointSize = RL.GetCodepoint( string text ) + +Get codepoint in a UTF-8 encoded string, 0x3f('?') is returned on failure + +- Success return int, int +*/ +int ltextGetCodepoint( lua_State *L ) { + const char* text = luaL_checkstring( L, 1 ); + + int codepointSize = 0; + lua_pushinteger( L, GetCodepoint( text, &codepointSize ) ); + lua_pushinteger( L, codepointSize ); + + return 2; +} + +/* +> codepoint, codepointSize = RL.GetCodepointNext( string text ) + +Get next codepoint in a UTF-8 encoded string, 0x3f('?') is returned on failure + +- Success return int, int +*/ +int ltextGetCodepointNext( lua_State *L ) { + const char* text = luaL_checkstring( L, 1 ); + + int codepointSize = 0; + lua_pushinteger( L, GetCodepointNext( text, &codepointSize ) ); + lua_pushinteger( L, codepointSize ); + + return 2; +} + +/* +> codepoint, codepointSize = RL.GetCodepointPrevious( string text ) + +Get previous codepoint in a UTF-8 encoded string, 0x3f('?') is returned on failure + +- Success return int, int +*/ +int ltextGetCodepointPrevious( lua_State *L ) { + const char* text = luaL_checkstring( L, 1 ); + + int codepointSize = 0; + lua_pushinteger( L, GetCodepointPrevious( text, &codepointSize ) ); + lua_pushinteger( L, codepointSize ); + + return 2; +} + +/* +> string, utf8Size = RL.CodepointToUTF8( int codepoint ) + +Encode one codepoint into UTF-8 byte array + +- Success return string, int +*/ +int ltextCodepointToUTF8( lua_State *L ) { + int codepoint = luaL_checkinteger( L, 1 ); + + int utf8Size = 0; + lua_pushstring( L, CodepointToUTF8( codepoint, &utf8Size ) ); + lua_pushinteger( L, utf8Size ); + + return 2; +} |