graphics.cc

// -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
// Copyright (C) 2014 Henner Zeller <h.zeller@acm.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://gnu.org/licenses/gpl-2.0.txt>

#include "graphics.h"
#include "utf8-internal.h"

namespace rgb_matrix {
int DrawText(Canvas *c, const Font &font,
             int x, int y, const Color &color,
             const char *utf8_text) {
  const int start_x = x;
  while (*utf8_text) {
    const uint32_t cp = utf8_next_codepoint(utf8_text);
    x += font.DrawGlyph(c, x, y, color, cp);
  }
  return x - start_x;
}
}