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_read_image.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/fl_read_image.cxx')

diff --git a/src/fl_read_image.cxx b/src/fl_read_image.cxx
index 8ce43871b..92f117a8f 100644
--- a/src/fl_read_image.cxx
+++ b/src/fl_read_image.cxx
@@ -43,7 +43,7 @@ uchar *fl_read_image(uchar *p, int X, int Y, int w, int h, int alpha) {
   uchar *image_data = NULL;
   Fl_RGB_Image *img;
   if (fl_find(fl_window) == 0) { // read from off_screen buffer
-    img = Fl::screen_driver()->read_win_rectangle(X, Y, w, h);
+    img = Fl::screen_driver()->read_win_rectangle(X, Y, w, h, 0);
     if (!img) {
       return NULL;
     }
-- 
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