/*
 Copyright (C) 2010-2017 Kristian Duske

 This file is part of TrenchBroom.

 TrenchBroom 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, either version 3 of the License, or
 (at your option) any later version.

 TrenchBroom 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 TrenchBroom. If not, see <http://www.gnu.org/licenses/>.
 */

#pragma once

#include <cstddef>

namespace TrenchBroom
{
namespace Renderer
{
class FontGlyph;
class FontTexture;

class FontGlyphBuilder
{
private:
  size_t m_maxAscend;
  size_t m_cellSize;
  size_t m_margin;
  size_t m_textureSize;
  char* m_textureBuffer;

  size_t m_x;
  size_t m_y;

public:
  FontGlyphBuilder(
    size_t maxAscend, size_t cellSize, size_t margin, FontTexture& texture);

  FontGlyph createGlyph(
    size_t left,
    size_t top,
    size_t width,
    size_t height,
    size_t advance,
    const char* glyphBuffer,
    size_t pitch);

private:
  void drawGlyph(
    size_t left,
    size_t top,
    size_t width,
    size_t height,
    const char* glyphBuffer,
    size_t pitch);
};
} // namespace Renderer
} // namespace TrenchBroom
