kc3-lang/kc3/gl/gl_ortho.h

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• Hash : a6af069c
  Author : Thomas de Grivel
  Date : 2025-09-30T13:11:16
  

  moved GL files to their own directory to share between EGL and SDL2
  

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• gl/gl_ortho.h

• /* kc3
   * Copyright from 2022 to 2025 kmx.io <contact@kmx.io>
   *
   * Permission is hereby granted to use this software granted the above
   * copyright notice and this permission paragraph are included in all
   * copies and substantial portions of this software.
   *
   * THIS SOFTWARE IS PROVIDED "AS-IS" WITHOUT ANY GUARANTEE OF
   * PURPOSE AND PERFORMANCE. IN NO EVENT WHATSOEVER SHALL THE
   * AUTHOR BE CONSIDERED LIABLE FOR THE USE AND PERFORMANCE OF
   * THIS SOFTWARE.
   */
  #ifndef GL_ORTHO_H
  #define GL_ORTHO_H
  
  #include "types.h"
  
  /* Stack-allocation compatible functions, call gl_ortho_clean
     after use. */
  void         gl_ortho_clean (s_gl_ortho *ortho);
  s_gl_ortho * gl_ortho_init (s_gl_ortho *ortho);
  
  /* Heap-allocation functions, call gl_ortho_delete after use. */
  void         gl_ortho_delete (s_gl_ortho *ortho);
  s_gl_ortho * gl_ortho_new (void);
  
  /* Operators. */
  void         gl_ortho_bind_texture (s_gl_ortho *ortho, GLuint texture);
  void         gl_ortho_color (s_gl_ortho *ortho, f32 r, f32 g, f32 b,
                               f32 a);
  void         gl_ortho_rect (s_gl_ortho *ortho, f32 x1, f32 x2, f32 y1,
                              f32 y2);
  void         gl_ortho_render (s_gl_ortho *ortho);
  void         gl_ortho_render_end (s_gl_ortho *ortho);
  void         gl_ortho_resize (s_gl_ortho *ortho, f32 x1, f32 x2, f32 y1,
                                f32 y2, f32 clip_z_near, f32 clip_z_far);
  void         gl_ortho_text_render (s_gl_ortho *ortho,
                                     const s_gl_text *text);
  void         gl_ortho_text_render_outline (s_gl_ortho *ortho,
                                             s_gl_text *text,
                                             f64 x, f64 y,
                                             const s_rgb *outline_color,
                                             const s_rgb *color);
  void         gl_ortho_update_model_matrix (s_gl_ortho *ortho);
  void         gl_ortho_update_view_matrix (s_gl_ortho *ortho);
  void         gl_ortho_vtext_render (s_gl_ortho *ortho,
                                      const s_gl_text *text);
  
  #endif /* GL_ORTHO_H */
  

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