Exemplos de utf8_surrogate_len em C++ (Cpp)

Exemplo n.º 1

Arquivo: text-buffer.c Projeto: gfphoenix/freetype-gl

// ----------------------------------------------------------------------------
void
text_buffer_add_text( text_buffer_t * self,
                      vec2 * pen, markup_t * markup,
                      const char * text, size_t length )
{
    font_manager_t * manager = self->manager;
    size_t i;
    const char * prev_character = NULL;

    if( markup == NULL )
    {
        return;
    }

    if( !markup->font )
    {
        markup->font = font_manager_get_from_markup( manager, markup );
        if( ! markup->font )
        {
            fprintf( stderr, "Houston, we've got a problem !\n" );
            exit( EXIT_FAILURE );
        }
    }

    if( length == 0 )
    {
        length = utf8_strlen(text);
    }
    if( vertex_buffer_size( self->buffer ) == 0 )
    {
        self->origin = *pen;
        self->line_left = pen->x;
        self->bounds.left = pen->x;
        self->bounds.top = pen->y;
    }
    else
    {
        if (pen->x < self->origin.x)
        {
            self->origin.x = pen->x;
        }
        if (pen->y != self->last_pen_y)
        {
            text_buffer_finish_line(self, pen, false);
        }
    }

    for( i = 0; utf8_strlen( text + i ) && length; i += utf8_surrogate_len( text + i ) )
    {
        text_buffer_add_char( self, pen, markup, text + i, prev_character );
        prev_character = text + i;
        length--;
    }

    self->last_pen_y = pen->y;
}

Exemplo n.º 2

Arquivo: utf8Utils.cpp Projeto: bmanga/freetype-gl-cpp

// ------------------------------------------------------------ utf8_strlen ---
size_t
ftgl::utf8_strlen( const char* string )
{
    const char* ptr = string;
    size_t result = 0;

    while (*ptr)
    {
        ptr += utf8_surrogate_len(ptr);
        result++;
    }

    return result;
}