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/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx  | 2 +-
 src/drivers/Xlib/Fl_Xlib_Image_Surface_Driver.cxx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/drivers/Xlib')

diff --git a/src/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx b/src/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx
index 5818eb2a5..4e9466952 100644
--- a/src/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Copy_Surface_Driver.cxx
@@ -64,7 +64,7 @@ Fl_Xlib_Copy_Surface_Driver::~Fl_Xlib_Copy_Surface_Driver() {
   driver()->pop_clip();
   bool need_push = !is_current();
   if (need_push) Fl_Surface_Device::push_current(this);
-  Fl_RGB_Image *rgb = Fl::screen_driver()->read_win_rectangle(0, 0, width, height);
+  Fl_RGB_Image *rgb = Fl::screen_driver()->read_win_rectangle(0, 0, width, height, 0);
   if (need_push) Fl_Surface_Device::pop_current();
   Fl_X11_Screen_Driver::copy_image(rgb->array, rgb->w(), rgb->h(), 1);
   delete rgb;
diff --git a/src/drivers/Xlib/Fl_Xlib_Image_Surface_Driver.cxx b/src/drivers/Xlib/Fl_Xlib_Image_Surface_Driver.cxx
index 1a9e7796d..54b246955 100644
--- a/src/drivers/Xlib/Fl_Xlib_Image_Surface_Driver.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Image_Surface_Driver.cxx
@@ -74,7 +74,7 @@ void Fl_Xlib_Image_Surface_Driver::untranslate() {
 
 Fl_RGB_Image* Fl_Xlib_Image_Surface_Driver::image()
 {
-  Fl_RGB_Image *image = Fl::screen_driver()->read_win_rectangle(0, 0, width, height);
+  Fl_RGB_Image *image = Fl::screen_driver()->read_win_rectangle(0, 0, width, height, 0);
   return image;
 }
 
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