dcc82d8926
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12650 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
208 lines
8.3 KiB
Objective-C
208 lines
8.3 KiB
Objective-C
//
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// "$Id$"
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//
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// Definition of class Fl_Gl_Window_Driver, and of its platform-specific derived classes
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// for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2016-2018 by Bill Spitzak and others.
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//
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// This library is free software. Distribution and use rights are outlined in
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// the file "COPYING" which should have been included with this file. If this
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// file is missing or damaged, see the license at:
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//
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// http://www.fltk.org/COPYING.php
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//
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// Please report all bugs and problems on the following page:
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//
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// http://www.fltk.org/str.php
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//
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#ifndef Fl_Gl_Window_Driver_H
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#define Fl_Gl_Window_Driver_H
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#if defined(FL_PORTING)
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# pragma message "FL_PORTING: please, derive and implement the Fl_Gl_Window_Driver class for your platform"
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#endif
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#include <FL/Fl_Gl_Window.H>
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class Fl_Gl_Choice;
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class Fl_Font_Descriptor;
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/* The constructor of each Fl_Gl_Window object creates also an object from a
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platform-specific derived class from this class.
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*/
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class Fl_Gl_Window_Driver {
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protected:
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Fl_Gl_Window *pWindow;
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public:
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Fl_Gl_Choice* g() {return pWindow->g;}
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void g(Fl_Gl_Choice *c) {pWindow->g = c;}
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int mode() {return pWindow->mode_;}
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void mode(int m) { pWindow->mode_ = m;}
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const int *alist() {return pWindow->alist;}
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void alist(const int *l) { pWindow->alist = l;}
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void* overlay() {return pWindow->overlay;}
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void draw_overlay() {pWindow->draw_overlay();}
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Fl_Gl_Window_Driver(Fl_Gl_Window *win) : pWindow(win) {}
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virtual ~Fl_Gl_Window_Driver() {}
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static Fl_Gl_Window_Driver *newGlWindowDriver(Fl_Gl_Window *w);
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static Fl_Gl_Window_Driver *global();
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virtual float pixels_per_unit() {return 1;}
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virtual void before_show(int& need_redraw) {}
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virtual void after_show(int need_redraw) {}
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virtual void invalidate();
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virtual int mode_(int m, const int *a) {return 0;}
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virtual void make_current_before() {}
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virtual void make_current_after() {}
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virtual void swap_buffers() {}
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virtual void resize(int is_a_resize, int w, int h) {}
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virtual char swap_type();
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virtual void flush_context() {}
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virtual int flush_begin(char& valid_f) {return 0;}
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virtual void hide_overlay(void *& overlay) {}
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static Fl_Gl_Choice *find_begin(int m, const int *alistp);
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// Return one of these structures for a given gl mode.
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// The second argument is a glX attribute list, and is used if mode is zero.
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// This is not supported on Win32:
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virtual Fl_Gl_Choice *find(int mode, const int *alistp) {return NULL;}
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virtual GLContext create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int layer = 0) {return 0;}
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virtual void set_gl_context(Fl_Window* w, GLContext context) {}
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virtual void delete_gl_context(GLContext) {}
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virtual void make_overlay(void* &o);
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virtual void hide_overlay() {}
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virtual void make_overlay_current() {}
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virtual void redraw_overlay() {}
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virtual int can_do_overlay() {return 0;}
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virtual void waitGL() {} // support for gl_finish() function
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virtual void gl_visual(Fl_Gl_Choice*); // support for Fl::gl_visual() function
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virtual void gl_start() {} // support for gl_start() function
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virtual void* GetProcAddress(const char *procName); // support for glutGetProcAddress()
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virtual void draw_string_legacy(const char* str, int n); // support for gl_draw()
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void draw_string_legacy_get_list(const char* str, int n); // support for gl_draw()
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static void draw_string_legacy_glut(const char* str, int n); // support for gl_draw()
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virtual void get_list(Fl_Font_Descriptor* fd, int r) {} // support for gl_draw() without textures
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virtual void gl_bitmap_font(Fl_Font_Descriptor *fl_fontsize) {} // support for gl_font() without textures
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virtual int overlay_color(Fl_Color i) {return 0;} // support for gl_color() with HAVE_GL_OVERLAY
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static void draw_string_with_texture(const char* str, int n); // cross-platform
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// support for gl_draw(). The cross-platform version may be enough.
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virtual char *alpha_mask_for_string(const char *str, int n, int w, int h);
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virtual int genlistsize() { return 0; } // support for gl_draw()
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virtual Fl_Font_Descriptor** fontnum_to_fontdescriptor(int fnum);
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};
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#ifdef FL_CFG_GFX_QUARTZ
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#ifdef __OBJC__
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@class NSOpenGLPixelFormat;
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#else
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class NSOpenGLPixelFormat;
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#endif // __OBJC__
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class Fl_Cocoa_Gl_Window_Driver : public Fl_Gl_Window_Driver {
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friend class Fl_Gl_Window_Driver;
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Fl_Cocoa_Gl_Window_Driver(Fl_Gl_Window *win) : Fl_Gl_Window_Driver(win) {}
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virtual float pixels_per_unit();
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virtual void before_show(int& need_redraw);
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virtual void after_show(int need_redraw);
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virtual int mode_(int m, const int *a);
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virtual void make_current_before();
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virtual void swap_buffers();
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virtual void resize(int is_a_resize, int w, int h);
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virtual char swap_type();
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virtual void flush_context();
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virtual Fl_Gl_Choice *find(int m, const int *alistp);
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virtual GLContext create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int layer = 0);
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virtual void set_gl_context(Fl_Window* w, GLContext context);
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virtual void delete_gl_context(GLContext);
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virtual void make_overlay_current();
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virtual void redraw_overlay();
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virtual void gl_start();
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static NSOpenGLContext* create_GLcontext_for_window(NSOpenGLPixelFormat *pixelformat, NSOpenGLContext *shared_ctx, Fl_Window *window);
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static NSOpenGLPixelFormat *mode_to_NSOpenGLPixelFormat(int mode, const int*); // uses Objective-c
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static void GLcontext_update(NSOpenGLContext*); // uses Objective-c
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static void GLcontext_release(NSOpenGLContext*); // uses Objective-c
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static void GLcontext_makecurrent(NSOpenGLContext*); // uses Objective-c
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static void GL_cleardrawable(void); // uses Objective-c
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virtual char *alpha_mask_for_string(const char *str, int n, int w, int h);
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};
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#endif // FL_CFG_GFX_QUARTZ
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#ifdef FL_CFG_GFX_GDI
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class Fl_WinAPI_Gl_Window_Driver : public Fl_Gl_Window_Driver {
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friend class Fl_Gl_Window_Driver;
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Fl_WinAPI_Gl_Window_Driver(Fl_Gl_Window *win) : Fl_Gl_Window_Driver(win) {}
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virtual float pixels_per_unit();
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virtual int mode_(int m, const int *a);
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virtual void make_current_after();
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virtual void swap_buffers();
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virtual void invalidate() {}
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virtual int flush_begin(char& valid_f);
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virtual void hide_overlay(void *& overlay);
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virtual Fl_Gl_Choice *find(int m, const int *alistp);
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virtual GLContext create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int layer = 0);
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virtual void set_gl_context(Fl_Window* w, GLContext context);
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virtual void delete_gl_context(GLContext);
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virtual void make_overlay_current();
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virtual void redraw_overlay();
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virtual void* GetProcAddress(const char *procName);
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virtual void draw_string_legacy(const char* str, int n);
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virtual void gl_bitmap_font(Fl_Font_Descriptor *fl_fontsize);
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virtual void get_list(Fl_Font_Descriptor *fd, int r);
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virtual int genlistsize();
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#if HAVE_GL_OVERLAY
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virtual int can_do_overlay();
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virtual int overlay_color(Fl_Color i);
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#endif
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};
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#endif // FL_CFG_GFX_GDI
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#ifdef FL_CFG_GFX_XLIB
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#include <X11/Xutil.h> // for XVisualInfo
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class Fl_X11_Gl_Window_Driver : public Fl_Gl_Window_Driver {
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friend class Fl_Gl_Window_Driver;
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Fl_X11_Gl_Window_Driver(Fl_Gl_Window *win) : Fl_Gl_Window_Driver(win) {}
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virtual float pixels_per_unit();
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virtual void before_show(int& need_redraw);
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virtual int mode_(int m, const int *a);
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virtual void swap_buffers();
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virtual void resize(int is_a_resize, int w, int h);
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virtual char swap_type();
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virtual Fl_Gl_Choice *find(int m, const int *alistp);
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virtual GLContext create_gl_context(Fl_Window* window, const Fl_Gl_Choice* g, int layer = 0);
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virtual void set_gl_context(Fl_Window* w, GLContext context);
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virtual void delete_gl_context(GLContext);
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#if HAVE_GL_OVERLAY
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virtual void make_overlay(void *&o);
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virtual int can_do_overlay();
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virtual void hide_overlay();
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virtual int overlay_color(Fl_Color i);
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#endif
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virtual void make_overlay_current();
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virtual void redraw_overlay();
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virtual void waitGL();
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virtual void gl_visual(Fl_Gl_Choice*); // support for Fl::gl_visual()
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virtual void gl_start();
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virtual void draw_string_legacy(const char* str, int n);
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virtual void gl_bitmap_font(Fl_Font_Descriptor *fl_fontsize);
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virtual void get_list(Fl_Font_Descriptor *fd, int r);
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virtual int genlistsize();
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#if !USE_XFT
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virtual Fl_Font_Descriptor** fontnum_to_fontdescriptor(int fnum);
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#endif
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public:
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static GLContext create_gl_context(XVisualInfo* vis);
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};
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#endif // FL_CFG_GFX_XLIB
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#endif /* Fl_Gl_Window_Driver_H */
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//
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// End of "$Id$".
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//
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