Make one version of Fl_OpenGL_Display_Device::capture_gl_rectangle() …

…the default one.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3-porting@11698 ea41ed52-d2ee-0310-a9c1-e6b18d33e121

src/drivers/OpenGL/Fl_OpenGL_Display_Device.H

@@ -3,7 +3,7 @@
 //
 // implementation of class Fl_Gl_Device_Plugin for the Fast Light Tool Kit (FLTK).
 //
-// Copyright 2010-2014 by Bill Spitzak and others.
+// Copyright 2010-2016 by Bill Spitzak and others.
 //
 // This library is free software. Distribution and use rights are outlined in
 // the file "COPYING" which should have been included with this file.  If this
@@ -16,7 +16,6 @@
 //     http://www.fltk.org/str.php
 //
 
-
 #include <FL/Fl_Device.H>
 
 class Fl_OpenGL_Graphics_Driver;
@@ -28,13 +27,12 @@ class Fl_RGB_Image;
  This surface is needed as an interface between GL windows and the GL graphics driver.
  */
 class FL_EXPORT Fl_OpenGL_Display_Device : public Fl_Surface_Device {
-public:
   Fl_OpenGL_Display_Device(Fl_OpenGL_Graphics_Driver *graphics_driver);
+public:
   static Fl_OpenGL_Display_Device *display_device();
   static Fl_RGB_Image* capture_gl_rectangle(Fl_Gl_Window*, int, int, int, int);
 };
 
-
 //
 // End of "$Id$".
 //

src/drivers/OpenGL/Fl_OpenGL_Display_Device.cxx

@@ -16,11 +16,9 @@
 //     http://www.fltk.org/str.php
 //
 
-#include <config.h>
 #include "../../config_lib.h"
 #include <FL/Fl_Gl_Window.H>
 #include <FL/Fl_Image.H>
-#include <FL/Fl_Device.H>
 #include <FL/gl.h>
 #include <string.h>
 
@@ -42,7 +40,7 @@ Fl_OpenGL_Display_Device::Fl_OpenGL_Display_Device(Fl_OpenGL_Graphics_Driver *gr
 #ifdef FL_CFG_GFX_QUARTZ
 
 // convert BGRA to RGB and also exchange top and bottom
-uchar *convert_BGRA_to_RGB(uchar *baseAddress, int w, int h, int mByteWidth)
+static uchar *convert_BGRA_to_RGB(uchar *baseAddress, int w, int h, int mByteWidth)
 {
   uchar *newimg = new uchar[3*w*h];
   uchar *to = newimg;
@@ -89,7 +87,12 @@ Fl_RGB_Image* Fl_OpenGL_Display_Device::capture_gl_rectangle(Fl_Gl_Window* glw,
   img->alloc_array = 1;
   return img;
 }
-#elif defined(FL_CFG_GFX_GDI) || defined(FL_CFG_GFX_XLIB)
+
+#else
+
+#if defined(FL_PORTING)
+#  pragma message "FL_PORTING: check whether the default Fl_OpenGL_Display_Device::capture_gl_rectangle() works for your platform"
+#endif
 
 Fl_RGB_Image* Fl_OpenGL_Display_Device::capture_gl_rectangle(Fl_Gl_Window *glw, int x, int y, int w, int h)
 /* captures a rectangle of a Fl_Gl_Window window, and returns it as a RGB image
@@ -127,14 +130,6 @@ Fl_RGB_Image* Fl_OpenGL_Display_Device::capture_gl_rectangle(Fl_Gl_Window *glw,
   return img;
 }
 
-#elif defined(FL_PORTING)
-
-#  pragma message "FL_PORTING: implement Fl_OpenGL_Display_Device::capture_gl_rectangle() for your platform"
-Fl_RGB_Image* Fl_OpenGL_Display_Device::capture_gl_rectangle(Fl_Gl_Window* glw, int x, int y, int w, int h)
-{
-  return NULL;
-}
-
 #endif
 //
 // End of "$Id$".