Applied [ 1867939 ] fixes for wxTreeCtrl crashes when exiting from label editing...

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

diff --git a/src/cocoa/bitmap.mm b/src/cocoa/bitmap.mm
index 08f4af5204b6bb2394d3dbfab891a856e5be2fc7..7d04461049f6904dac96b838cbd7aa1de4d04f31 100644 (file)
--- a/src/cocoa/bitmap.mm
+++ b/src/cocoa/bitmap.mm
@@ -46,6 +46,8 @@ public:
     wxBitmapRefData( const wxBitmapRefData& data );
     virtual ~wxBitmapRefData();
 
+    virtual bool IsOk() const { return m_ok; }
+
 protected:
     int                 m_width;
     int                 m_height;
@@ -125,6 +127,16 @@ wxBitmap::wxBitmap(int w, int h, int d)
     (void)Create(w, h, d);
 }
 
+wxBitmap::wxBitmap(NSImage* cocoaNSImage)
+{
+    (void) Create(cocoaNSImage);
+}
+
+wxBitmap::wxBitmap(NSBitmapImageRep* cocoaNSBitmapImageRep)
+{
+    (void) Create(cocoaNSBitmapImageRep);
+}
+
 wxBitmap::wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth)
 {
     (void) Create(data, type, width, height, depth);
@@ -135,12 +147,12 @@ wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
     LoadFile(filename, type);
 }
 
-wxObjectRefData *wxBitmap::CreateRefData() const
+wxGDIRefData *wxBitmap::CreateGDIRefData() const
 {
     return new wxBitmapRefData;
 }
 
-wxObjectRefData *wxBitmap::CloneRefData(const wxObjectRefData *data) const
+wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const
 {
     return new wxBitmapRefData(*(wxBitmapRefData*)data);
 }
@@ -244,11 +256,6 @@ void wxBitmap::SetMask(wxMask *mask)
     M_BITMAPDATA->m_bitmapMask = mask ;
 }
 
-bool wxBitmap::Ok() const
-{
-    return m_refData && M_BITMAPDATA->m_ok;
-}
-
 wxPalette* wxBitmap::GetPalette() const
 {
     if(!m_refData)
@@ -348,6 +355,33 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
     return true;
 }
 
+bool wxBitmap::Create(NSImage* cocoaNSImage)
+{
+    wxAutoNSAutoreleasePool pool;
+    NSBitmapImageRep *bitmapImageRep = [NSBitmapImageRep imageRepWithData:[cocoaNSImage TIFFRepresentation]];
+    return Create(bitmapImageRep);
+}
+
+bool wxBitmap::Create(NSBitmapImageRep *imageRep)
+{
+    UnRef();
+    m_refData = new wxBitmapRefData;
+    if(imageRep != nil)
+    {
+        M_BITMAPDATA->m_width = [imageRep pixelsWide];
+        M_BITMAPDATA->m_height = [imageRep pixelsHigh];
+        M_BITMAPDATA->m_depth = [imageRep bitsPerPixel];
+        M_BITMAPDATA->m_ok = true;
+        M_BITMAPDATA->m_numColors = 0;
+        M_BITMAPDATA->m_quality = 0;
+        M_BITMAPDATA->m_cocoaNSBitmapImageRep = [imageRep retain];
+        M_BITMAPDATA->m_bitmapMask = NULL;
+        return true;
+    }
+    else
+        return false;
+}
+
 bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth)
 {
     UnRef();
@@ -364,6 +398,9 @@ bool wxBitmap::SaveFile(const wxString& filename, wxBitmapType type, const wxPal
 
 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 {
+    // Pool here due to lack of one during wx init phase
+    wxAutoNSAutoreleasePool pool;
+
     UnRef();
     if(!icon.GetNSImage());
     [icon.GetNSImage() lockFocus];
@@ -386,9 +423,26 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon)
     return true;
 }
 
-wxBitmap wxBitmap::GetSubBitmap(wxRect const&) const
+wxBitmap wxBitmap::GetSubBitmap(const wxRect& rect) const
 {
-    return wxNullBitmap;
+    wxAutoNSAutoreleasePool pool;
+    if(!Ok())
+        return wxNullBitmap;
+    NSImage *nsimage = GetNSImage(false);
+
+    [nsimage lockFocus];
+    NSRect imageRect = {{0,0}, [nsimage size]};
+    imageRect.origin.x = imageRect.size.width * rect.x / GetWidth();
+    imageRect.origin.y = imageRect.size.height * rect.y / GetHeight();
+    imageRect.size.width *= wx_static_cast(CGFloat, rect.width) / GetWidth();
+    imageRect.size.height *= wx_static_cast(CGFloat, rect.height) / GetHeight();
+
+    NSBitmapImageRep *newBitmapRep = [[NSBitmapImageRep alloc] initWithFocusedViewRect:imageRect];
+    [nsimage unlockFocus];
+
+    wxBitmap newBitmap(newBitmapRep);
+
+    return (newBitmap);
 }
 
 wxImage wxBitmap::ConvertToImage() const
@@ -483,10 +537,6 @@ void wxBitmap::UngetRawData(wxPixelDataBase& data)
 {   // TODO
 }
 
-void wxBitmap::UseAlpha()
-{   // TODO
-}
-
 // ========================================================================
 // wxMask
 // ========================================================================
@@ -523,6 +573,13 @@ wxMask::wxMask(const wxBitmap& bitmap)
     Create(bitmap);
 }
 
+// Copy constructor
+wxMask::wxMask(const wxMask& src)
+:   wxObject(src)
+,   m_cocoaNSBitmapImageRep([src.m_cocoaNSBitmapImageRep retain])
+{
+}
+
 wxMask::~wxMask()
 {
     [m_cocoaNSBitmapImageRep release];
@@ -532,6 +589,7 @@ wxMask::~wxMask()
 bool wxMask::Create(const wxBitmap& bitmap)
 {
 // TODO
+    wxLogDebug(wxT("Cannot yet create a mask from a mono bitmap"));
     return FALSE;
 }
 
@@ -540,6 +598,7 @@ bool wxMask::Create(const wxBitmap& bitmap)
 bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
 {
 // TODO
+    wxLogDebug(wxT("Cannot yet create a mask from a palette bitmap"));
     return FALSE;
 }
 
@@ -646,6 +705,14 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
         wxCHECK_MSG(wxMask_CreateFromBitmapData(pixelData, colour, dstData),
             false, wxT("Unable to access raw data"));
     }
+    else if([srcBitmapRep bitsPerPixel]==8 && [srcBitmapRep bitsPerSample]==8 && [srcBitmapRep samplesPerPixel]==1 && [srcBitmapRep hasAlpha]==NO)
+    // 8-bpp Grayscale, no alpha
+    {   // Force all RGB to access the same grayscale component
+        typedef wxPixelFormat<unsigned char,8,0,0,0> PixelFormat;
+        wxPixelData<wxBitmap,PixelFormat> pixelData(const_cast<wxBitmap&>(bitmap));
+        wxCHECK_MSG(wxMask_CreateFromBitmapData(pixelData, colour, dstData),
+            false, wxT("Unable to access raw data"));
+    }
     else
     {   wxCHECK_MSG(false,false,wxT("Unimplemented pixel format")); }