fc3adbd7cb
The platform-specific code lands in src/Drivers/OpenGL/Fl_OpenGL_Display_Device.cxx and the FL_PORTING clause should be compilable. git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11327 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
60 lines
1.9 KiB
C++
60 lines
1.9 KiB
C++
//
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// "$Id$"
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//
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// implementation of class Fl_Gl_Device_Plugin for the Fast Light Tool Kit (FLTK).
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//
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// Copyright 2010-2016 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 to:
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//
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// http://www.fltk.org/str.php
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//
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#include "config_lib.h"
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#include <FL/Fl_Gl_Window.H>
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#include <FL/Fl_RGB_Image.H>
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#include <FL/Fl_Shared_Image.H>
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#include "drivers/OpenGL/Fl_OpenGL_Display_Device.H"
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/**
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This class will make sure that OpenGL printing/screen capture is available if fltk_gl
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was linked to the program
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*/
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class Fl_Gl_Device_Plugin : public Fl_Device_Plugin {
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public:
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Fl_Gl_Device_Plugin() : Fl_Device_Plugin(name()) { }
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virtual const char *name() { return "opengl.device.fltk.org"; }
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virtual int print(Fl_Widget *w, int x, int y, int height /*useless*/) {
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Fl_Gl_Window *glw = w->as_gl_window();
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if (!glw) return 0;
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Fl_RGB_Image *img = Fl_OpenGL_Display_Device::capture_gl_rectangle(glw, 0, 0, glw->w(), glw->h());
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Fl_Shared_Image *shared = Fl_Shared_Image::get(img);
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shared->scale(glw->w(), glw->h());
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shared->draw(x, y);
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shared->release();
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return 1;
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}
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virtual Fl_RGB_Image* rectangle_capture(Fl_Widget *widget, int x, int y, int w, int h) {
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Fl_Gl_Window *glw = widget->as_gl_window();
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if (!glw) return NULL;
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return Fl_OpenGL_Display_Device::capture_gl_rectangle(glw, x, y, w, h);
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}
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};
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static Fl_Gl_Device_Plugin Gl_Device_Plugin;
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// The purpose of this variable, used in Fl_Gl_Window.cxx, is only to force this file to be loaded
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// whenever Fl_Gl_Window.cxx is loaded, that is, whenever fltk_gl is.
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FL_EXPORT int fl_gl_load_plugin = 0;
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//
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// End of "$Id$".
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//
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