From d5c49ccbaf8da189f750c0577eee4ac2ac5a3abc Mon Sep 17 00:00:00 2001
From: Bergmann89 <bergmann89@muo-game.de>
Date: Sun, 24 Nov 2013 01:59:55 +0100
Subject: [PATCH] * fixed Bug in Lazarus PNG/JPEG export: swapped red and blue
 values when saving RGB* Formats

---
 glBitmap.pas | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/glBitmap.pas b/glBitmap.pas
index 04297fa..7c6e840 100644
--- a/glBitmap.pas
+++ b/glBitmap.pas
@@ -4920,7 +4920,7 @@ begin
 
   rid.Width        := Width;
   rid.Height       := Height;
-  rid.Depth        := CountSetBits(FormatDesc.Range.r or FormatDesc.Range.g or FormatDesc.Range.b or FormatDesc.Range.a);
+  rid.Depth        := CountSetBits(FormatDesc.RedMask or FormatDesc.GreenMask or FormatDesc.BlueMask or FormatDesc.AlphaMask);
   rid.BitOrder     := riboBitsInOrder;
   rid.ByteOrder    := riboLSBFirst;
   rid.LineOrder    := riloTopToBottom;
@@ -5977,13 +5977,15 @@ procedure TglBitmap.SavePNG(const aStream: TStream);
 var
   png: TPortableNetworkGraphic;
   intf: TLazIntfImage;
+  raw: TRawImage;
 begin
   png  := TPortableNetworkGraphic.Create;
   intf := TLazIntfImage.Create(0, 0);
   try
     if not AssignToLazIntfImage(intf) then
       raise EglBitmap.Create('unable to create LazIntfImage from glBitmap');
-    png.LoadFromIntfImage(intf);
+    intf.GetRawImage(raw);
+    png.LoadFromRawImage(raw, false);
     png.SaveToStream(aStream);
   finally
     png.Free;
@@ -6513,13 +6515,15 @@ procedure TglBitmap.SaveJPEG(const aStream: TStream);
 var
   jpeg: TJPEGImage;
   intf: TLazIntfImage;
+  raw: TRawImage;
 begin
   jpeg := TJPEGImage.Create;
   intf := TLazIntfImage.Create(0, 0);
   try
     if not AssignToLazIntfImage(intf) then
       raise EglBitmap.Create('unable to create LazIntfImage from glBitmap');
-    jpeg.LoadFromIntfImage(intf);
+    intf.GetRawImage(raw);
+    jpeg.LoadFromRawImage(raw, false);
     jpeg.SaveToStream(aStream);
   finally
     intf.Free;
@@ -8559,4 +8563,4 @@ finalization
   FreeAndNil(InitOpenGLCS);
 {$ENDIF}
 
-end.
+end.
\ No newline at end of file
-- 
2.1.4