From 94fffb701ce88adf7398fb37a007a04c08f1ca6f Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Thu, 6 Jun 2019 18:28:49 +0200
Subject: Add one argument to Fl_Screen_Driver::read_win_rectangle()

The new argument gives the window to be captured, or NULL to indicate capture
from the current offscreen.
Calling this function becomes easier because less dependent on global variables.
---
 src/Fl_Screen_Driver.cxx | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'src/Fl_Screen_Driver.cxx')

diff --git a/src/Fl_Screen_Driver.cxx b/src/Fl_Screen_Driver.cxx
index 4f4bbff7f..93d0a23ea 100644
--- a/src/Fl_Screen_Driver.cxx
+++ b/src/Fl_Screen_Driver.cxx
@@ -196,8 +196,7 @@ Fl_RGB_Image *Fl_Screen_Driver::traverse_to_gl_subwindows(Fl_Group *g, int x, in
     full_img = plugin->rectangle_capture(g, x, y, w, h);
   }
   else if ( g->as_window() ) {
-    if (Fl_Window::current() != g) g->as_window()->make_current();
-    full_img = Fl::screen_driver()->read_win_rectangle(x, y, w, h);
+    full_img = Fl::screen_driver()->read_win_rectangle(x, y, w, h, g->as_window());
   }
   if (!full_img) return NULL;
   float full_img_scale =  (full_img && w > 0 ? float(full_img->data_w())/w : 1);
-- 
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