More lib and demo patches to drop the wx prefix (Jeff has been busy!)

[wxWidgets.git] / src / cocoa / bitmap.mm

diff --git a/src/cocoa/bitmap.mm b/src/cocoa/bitmap.mm
index b630916a41307edeeb870a8241016837722a6115..6e5702044de04602de73f8d8202174d2ea6abcc1 100644 (file)
--- a/src/cocoa/bitmap.mm
+++ b/src/cocoa/bitmap.mm
@@ -27,6 +27,7 @@
 
 #import <AppKit/NSBitmapImageRep.h>
 #import <AppKit/NSGraphics.h>
+#import <AppKit/NSImage.h>
 
 // ========================================================================
 // wxBitmapRefData
@@ -145,6 +146,27 @@ WX_NSBitmapImageRep wxBitmap::GetNSBitmapImageRep()
     return M_BITMAPDATA->m_cocoaNSBitmapImageRep;
 }
 
+WX_NSImage wxBitmap::GetNSImage(bool useMask) const
+{
+    if(!Ok())
+        return nil;
+    NSImage *nsimage = [[[NSImage alloc]
+            initWithSize:NSMakeSize(GetWidth(), GetHeight())] autorelease];
+    if(!nsimage)
+        return nil;
+    [nsimage addRepresentation: M_BITMAPDATA->m_cocoaNSBitmapImageRep];
+    if(useMask && GetMask())
+    {
+        NSImage *maskImage = [[NSImage alloc]
+                initWithSize:NSMakeSize(GetWidth(), GetHeight())];
+        [maskImage addRepresentation: GetMask()->GetNSBitmapImageRep()];
+        [nsimage lockFocus];
+        [maskImage compositeToPoint:NSZeroPoint operation:NSCompositeDestinationIn];
+        [nsimage unlockFocus];
+    }
+    return nsimage;
+}
+
 void wxBitmap::SetNSBitmapImageRep(WX_NSBitmapImageRep bitmapImageRep)
 {
     if(!M_BITMAPDATA)
@@ -558,19 +580,29 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
     wxCHECK(maskRep,false);
 
     // We need the source NSBitmapImageRep to detemine its pixel format
-    NSBitmapImageRep *srcBitmapRep = ((wxBitmapRefData*)bitmap.GetRefData())->m_cocoaNSBitmapImageRep;
+    NSBitmapImageRep *srcBitmapRep = const_cast<wxBitmap&>(bitmap).GetNSBitmapImageRep();
     wxCHECK_MSG(srcBitmapRep,false,"Can't create mask for an uninitialized bitmap");
 
     // Get a pointer to the destination data
     unsigned char *dstPlanes[5] = {NULL,NULL,NULL,NULL,NULL};
     [maskRep getBitmapDataPlanes:dstPlanes];
     unsigned char *dstData = dstPlanes[1];
+    // The wxImage format (which we use whenever we imported from wxImage)
     if([srcBitmapRep bitsPerPixel]==24 && [srcBitmapRep bitsPerSample]==8 && [srcBitmapRep samplesPerPixel]==3 && [srcBitmapRep hasAlpha]==NO)
     {
         wxPixelData<wxBitmap,wxNativePixelFormat> pixelData(const_cast<wxBitmap&>(bitmap));
         wxCHECK_MSG(wxMask_CreateFromBitmapData(pixelData, colour, dstData),
             false, "Unable to access raw data");
     }
+    // 32-bpp RGBx (x=throw away, no alpha)
+    else if([srcBitmapRep bitsPerPixel]==32 && [srcBitmapRep bitsPerSample]==8 && [srcBitmapRep samplesPerPixel]==3 && [srcBitmapRep hasAlpha]==NO)
+    {
+        typedef wxPixelFormat<unsigned char,32,0,1,2> PixelFormat;
+        wxPixelData<wxBitmap,PixelFormat> pixelData(const_cast<wxBitmap&>(bitmap));
+        wxCHECK_MSG(wxMask_CreateFromBitmapData(pixelData, colour, dstData),
+            false, "Unable to access raw data");
+    }
+    // 32-bpp RGBA
     else if([srcBitmapRep bitsPerPixel]==32 && [srcBitmapRep bitsPerSample]==8 && [srcBitmapRep samplesPerPixel]==4 && [srcBitmapRep hasAlpha]==YES)
     {
         wxPixelData<wxBitmap,wxAlphaPixelFormat> pixelData(const_cast<wxBitmap&>(bitmap));