Text.h

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/* Copyright (c) 2014-2017, ARM Limited and Contributors
 *
 * SPDX-License-Identifier: MIT
 *
 * Permission is hereby granted, free of charge,
 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */

#ifndef TEXT_H
#define TEXT_H

#include "Matrix.h"

namespace MaliSDK
{
    class Text
    {
    private:
        static const float scale;

        Matrix   projectionMatrix;
        int      numberOfCharacters;
        float*   textVertex;
        float*   textTextureCoordinates;
        float*   color;
        GLshort* textIndex;
        int      m_iLocPosition;
        int      m_iLocProjection;
        int      m_iLocTextColor;
        int      m_iLocTexCoord;
        int      m_iLocTexture;
        GLuint   vertexShaderID;
        GLuint   fragmentShaderID;
        GLuint   programID;
        GLuint   textureID;

    public: 

        static const int textureCharacterWidth;
        
        static const int textureCharacterHeight;
        Text(const char* vertexShaderFileName,
             const char* fragmentShaderFileName,
             const char* textureFileName,
             int         windowWidth,
             int         windowHeight);
        
        virtual ~Text(void);
        
        void clear(void);

        void addString(int xPosition, int yPosition, const char *string, int red, int green, int blue, int alpha);

        void draw(void);
    };
}
#endif /* TEXT_H */