/* Freetype GL - A C OpenGL Freetype engine
 *
 * Distributed under the OSI-approved BSD 2-Clause License.  See accompanying
 * file `LICENSE` for more details.
 */
#ifndef __MAT4_H__
#define __MAT4_H__

#ifdef __cplusplus
extern "C" {
namespace ftgl
{
#endif

/**
 *
 */
typedef union {
    float data[16]; /**< All compoments at once     */
    struct
    {
        float m00, m01, m02, m03;
        float m10, m11, m12, m13;
        float m20, m21, m22, m23;
        float m30, m31, m32, m33;
    };
} mat4;

mat4 *mat4_new(void);

void mat4_set_identity(mat4 *self);

void mat4_set_zero(mat4 *self);

void mat4_multiply(mat4 *self, mat4 *other);

void mat4_set_orthographic(mat4 *self, float left, float right, float bottom,
                           float top, float znear, float zfar);

void mat4_set_perspective(mat4 *self, float fovy, float aspect, float zNear,
                          float zFar);

void mat4_set_frustum(mat4 *self, float left, float right, float bottom,
                      float top, float znear, float zfar);

void mat4_set_rotation(mat4 *self, float angle, float x, float y, float z);

void mat4_set_translation(mat4 *self, float x, float y, float z);

void mat4_set_scaling(mat4 *self, float x, float y, float z);

void mat4_rotate(mat4 *self, float angle, float x, float y, float z);

void mat4_translate(mat4 *self, float x, float y, float z);

void mat4_scale(mat4 *self, float x, float y, float z);

#ifdef __cplusplus
}
}
#endif

#endif /* __MAT4_H__ */