From 7abda5a59b8bccd59138ea49e5866041cc482b8a Mon Sep 17 00:00:00 2001
From: Manolo Gouy <Manolo>
Date: Wed, 27 Dec 2017 13:51:41 +0000
Subject: GUI rescaling under MacOS: fix Fl_Cocoa_Screen_Driver::read_image()
 when reading from scaled offscreen buffer

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.4@12609 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'src/drivers/Quartz')

diff --git a/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx b/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx
index 573a5df8e..1702ca4ab 100644
--- a/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx
+++ b/src/drivers/Quartz/Fl_Quartz_Image_Surface_Driver.cxx
@@ -104,7 +104,10 @@ Fl_RGB_Image* Fl_Quartz_Image_Surface_Driver::image()
   CGContextFlush(offscreen);
   int W = CGBitmapContextGetWidth(offscreen);
   int H = CGBitmapContextGetHeight(offscreen);
+  int save_w = width, save_h = height;
+  width = W; height = H;
   unsigned char *data = fl_read_image(NULL, 0, 0, W, H, 0);
+  width = save_w; height = save_h;
   Fl_RGB_Image *image = new Fl_RGB_Image(data, W, H);
   image->alloc_array = 1;
   return image;
-- 
cgit v1.2.3