From baf7cd3182e2cd72ccb9fdaced179ee8b1054447 Mon Sep 17 00:00:00 2001
From: Chris Rorden <rorden@mailbox.sc.edu>
Date: Thu, 22 Jun 2017 10:12:12 -0400
Subject: [PATCH] Restore Delphi compatibility

---
 README.md    | 3 ++-
 mainunit.pas | 8 ++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index eb21eb6..c44dbb5 100755
--- a/README.md
+++ b/README.md
@@ -10,10 +10,11 @@ http://www.mccauslandcenter.sc.edu/mricrogl/
 
 ##### Recent Versions
 
-16-June-2017
+21-June-2017
  - Preferences window now allows user to enable optional support for MacOS retina resolution. Slower but better quality.
  - [Screenshot fixes](http://www.nitrc.org/forum/message.php?msg_id=21504). Fix 'seams' when taking screenshots with high zoom factors, reduce blurriness of mosaic screenshots.
  - New script commands "sharpen" and "bmpzoom" (described in manual).
+ - Better support for NRRD format images.
 
 28-May-2017
  - [Better thresholding of binary overlays](https://www.nitrc.org/forum/message.php?msg_id=19974).
diff --git a/mainunit.pas b/mainunit.pas
index 589b1df..ecdc823 100755
--- a/mainunit.pas
+++ b/mainunit.pas
@@ -979,8 +979,8 @@ function TGLForm1.ScreenShot(Zoom: integer): TBitmap;
 begin
   gRayCast.ScreenCapture := true;
   GLBox.MakeCurrent;
-  w := GLBox.BackingWidth;
-  h := GLbox.BackingHeight;
+  w := GLBox.Width;
+  h := GLbox.Height;
   wz := w*Zoom;
   hz := h*Zoom;
   Result:=TBitmap.Create;
@@ -992,7 +992,7 @@ function TGLForm1.ScreenShot(Zoom: integer): TBitmap;
   for tile := 0 to ((Zoom * Zoom) - 1) do begin
     tilex := (tile mod zoom) * w;
     tiley := (tile div zoom) * h;
-    DisplayGLz(gTexture3D, Zoom, -tilex, -tiley);
+    DisplayGLz(gTexture3D, Zoom, -tilex, -tiley,0);
     glReadPixels(0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE, @p[0]);
     z := 0;
     for y:=0 to h-1 do begin
@@ -2391,7 +2391,7 @@ procedure TGLForm1.About1Click(Sender: TObject);
    {$IFDEF LCLCocoa}str := str + ' (Cocoa) '; {$ENDIF}
    {$IFDEF LCLCarbon}str := str + ' (Carbon) '; {$ENDIF}
    {$IFDEF DGL} str := str +' (DGL) '; {$ENDIF}//the DGL library has more dependencies - report this if incompatibilities are found
-  str := 'MRIcroGL '+str+' 16 June 2017'
+  str := 'MRIcroGL '+str+' 21 June 2017'
    +kCR+' www.mricro.com :: BSD 2-Clause License (opensource.org/licenses/BSD-2-Clause)'
    +kCR+' Dimensions '+inttostr(gTexture3D.NIFTIhdr.dim[1])+'x'+inttostr(gTexture3D.NIFTIhdr.dim[2])+'x'+inttostr(gTexture3D.NIFTIhdr.dim[3])
    +kCR+' Bytes per voxel '+inttostr(gTexture3D.NIFTIhdr.bitpix div 8)