Version initiale du logiciel. Développement commencé le 06/01/2026, en reprenant certaines parties/idées de miniDart, que j'ai écrit quelques années plus tôt

inc/engine.h

@@ -0,0 +1,73 @@
+/*
+ * engine.h is initialy a file frome miniDart project
+ * Author : Eric Bachard  / lundi 3 octobre 2016, 14:35:03 (UTC+0200)
+ * This file is under GPL v2 license
+ * See : http://www.gnu.org/licenses/gpl-2.0.html
+ */
+
+#ifndef __ENGINE_H
+#define __ENGINE_H
+
+#ifndef GL_GLEXT_PROTOTYPES
+#define GL_GLEXT_PROTOTYPES
+#endif
+#ifndef GL3_PROTOTYPES
+#define GL3_PROTOTYPES 1
+#endif
+
+#include <iostream>
+#include <SDL3/SDL.h>
+
+// TODO : implement OpenGL 4.x and more recent glsl versions
+#define GLSL_VERSION_130  "#version 130"
+
+class Engine
+{
+  public:
+    Engine();
+    ~Engine();
+
+    int init_SDL();
+    void sdl_application_abort(const char *);
+    void clean_and_close();
+
+    SDL_GLContext getGL_Context(){ return gl_context; }
+    void setGL_Context(SDL_GLContext  aContext){ gl_context = aContext; }
+
+    SDL_Window * getWindow(){ return window; }
+    void setWindow(SDL_Window * aWindow){ window = aWindow; }
+
+    void getSystemDisplayDPI(int, float*, float*);
+    bool setApplicationDisplayDPI(float);
+    float getDpi() { return dpi; }
+    float getDefaultDpi() { return defaultDpi; }
+    SDL_DisplayMode current;
+    int getWidth(){ return mWidth; }
+    int getHeight(){ return mHeight; } 
+    inline void setWidth( int dWidth ){ mWidth = dWidth; }
+    inline void setHeight(int dHeight ){ mHeight = dHeight; } 
+
+    inline void setDpi(float new_dpi) { dpi = new_dpi; }
+
+    void set_glsl_version(char *);
+    const char * get_glsl_version() { return glsl_version; }
+
+    int displayIndex;
+    int DisplayNumber;
+
+    int windowDpiScaledWidth;
+    int windowDpiScaledHeight;
+    int windowDpiUnscaledWidth;
+    int windowDpiUnscaledHeight;
+
+  private:
+    const char * glsl_version;
+    SDL_GLContext gl_context;
+    SDL_Window * window;
+    float dpi;
+    float defaultDpi;
+    int mWidth;
+    int mHeight;
+};
+
+#endif /* __ENGINE_H */