adding magnification API into the wxWindow classes for best retina support

[wxWidgets.git] / src / osx / core / glgrab.cpp

diff --git a/src/osx/core/glgrab.cpp b/src/osx/core/glgrab.cpp
index 99ffa2b08597db80306c55841be6ede8b28e39b3..669f2ba6c4bc0b4ccb91e0ffaf2e51840590559c 100644 (file)
--- a/src/osx/core/glgrab.cpp
+++ b/src/osx/core/glgrab.cpp
@@ -30,6 +30,8 @@
  OTHERWISE, EVEN IF APPLE HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#include "wx/wxprec.h"
+
 #if wxOSX_USE_COCOA_OR_CARBON
 
 #import <CoreFoundation/CoreFoundation.h>
@@ -37,6 +39,7 @@
 #import <OpenGL/OpenGL.h>
 #import <OpenGL/gl.h>
 
+#include "wx/osx/core/private.h"
 #include "wx/osx/private/glgrab.h"
 
 extern CGColorSpaceRef wxMacGetGenericRGBColorSpace();
@@ -112,7 +115,6 @@ CGImageRef grabViaOpenGL(CGDirectDisplayID display, CGRect srcRect)
     void * data;
     long bytewidth;
     GLint width, height;
-    long bytes;
 
     CGLContextObj    glContextObj;
     CGLPixelFormatObj pixelFormatObj ;
@@ -154,7 +156,6 @@ CGImageRef grabViaOpenGL(CGDirectDisplayID display, CGRect srcRect)
 
     bytewidth = width * 4; // Assume 4 bytes/pixel for now
     bytewidth = (bytewidth + 3) & ~3; // Align to 4 bytes
-    bytes = bytewidth * height; // width * height
 
     /* Build bitmap context */
     data = malloc(height * bytewidth);