texturefont.h

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/* xoreos - A reimplementation of BioWare's Aurora engine
 *
 * xoreos is the legal property of its developers, whose names
 * can be found in the AUTHORS file distributed with this source
 * distribution.
 *
 * xoreos 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.
 *
 * xoreos 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 xoreos. If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef GRAPHICS_AURORA_TEXTUREFONT_H
#define GRAPHICS_AURORA_TEXTUREFONT_H

#include <map>

#include "src/common/types.h"

#include "src/graphics/font.h"

#include "src/graphics/aurora/texturehandle.h"

#include "src/graphics/mesh/meshfont.h"

#include "src/graphics/shader/shaderrenderable.h"

namespace Common {
    class UString;
}

namespace Graphics {

namespace Aurora {

class Texture;

class TextureFont : public Graphics::Font {
public:
    TextureFont(const Common::UString &name);
    ~TextureFont();

    float getWidth (uint32 c) const;
    float getHeight()         const;

    float getLineSpacing() const;

    void draw(uint32 c) const;

    virtual void renderBind(const glm::mat4 &transform) const;
    virtual void render(uint32 c, float &x, float &y, float *rgba) const;
    virtual void renderUnbind() const;


private:
    struct Char {
        float width;
        float tX[4], tY[4];
        float vX[4], vY[4];
    };

    TextureHandle _texture;

    std::map<uint32, Char> _chars;

    float _height;
    float _spaceR;
    float _spaceB;

    Mesh::MeshFont *_mesh;
    Shader::ShaderMaterial *_material;
    Shader::ShaderRenderable *_renderable;

    void load();

    void drawMissing() const;
};

} // End of namespace Aurora

} // End of namespace Graphics

#endif // GRAPHICS_AURORA_TEXTUREFONT_H