vista tree crash fix

[wxWidgets.git] / src / mgl / bitmap.cpp

diff --git a/src/mgl/bitmap.cpp b/src/mgl/bitmap.cpp
index 2d7e61108ff720e0202327e40de3582dad758821..c280b0b0ac7a82770a2243cfbd20161717055061 100644 (file)
--- a/src/mgl/bitmap.cpp
+++ b/src/mgl/bitmap.cpp
@@ -60,6 +60,8 @@ public:
     wxBitmapRefData();
     virtual ~wxBitmapRefData();
 
+    virtual bool IsOk() const { return m_bitmap != NULL; }
+
     int             m_width;
     int             m_height;
     int             m_bpp;
@@ -91,7 +93,7 @@ wxBitmapRefData::~wxBitmapRefData()
 #define M_BMPDATA ((wxBitmapRefData *)m_refData)
 
 
-IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler,wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxBitmapHandlerBase)
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxBitmapBase)
 
 wxBitmap::wxBitmap(int width, int height, int depth)
@@ -171,19 +173,6 @@ bool wxBitmap::Create(int width, int height, int depth)
     return Ok();
 }
 
-bool wxBitmap::CreateFromXpm(const char **bits)
-{
-    wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") );
-
-    wxXPMDecoder decoder;
-    wxImage img = decoder.ReadData(bits);
-    wxCHECK_MSG( img.Ok(), false, wxT("invalid bitmap data") );
-
-    *this = wxBitmap(img);
-
-    return true;
-}
-
 wxBitmap::wxBitmap(const wxImage& image, int depth)
 {
     long width, height;
@@ -280,21 +269,6 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth)
     delete bdc;
 }
 
-bool wxBitmap::operator == (const wxBitmap& bmp) const
-{
-    return (m_refData == bmp.m_refData);
-}
-
-bool wxBitmap::operator != (const wxBitmap& bmp) const
-{
-    return (m_refData != bmp.m_refData);
-}
-
-bool wxBitmap::Ok() const
-{
-    return (m_refData != NULL && M_BMPDATA->m_bitmap != NULL);
-}
-
 int wxBitmap::GetHeight() const
 {
     wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
@@ -327,6 +301,7 @@ void wxBitmap::SetMask(wxMask *mask)
 {
     wxCHECK_RET( Ok(), wxT("invalid bitmap") );
 
+    AllocExclusive();
     delete M_BMPDATA->m_mask;
     M_BMPDATA->m_mask = mask;
 }
@@ -370,6 +345,7 @@ void wxBitmap::SetMonoPalette(const wxColour& fg, const wxColour& bg)
 {
     wxCHECK_RET( Ok(), wxT("invalid bitmap") );
 
+    AllocExclusive();
     palette_t *mono = M_BMPDATA->m_bitmap->pal;
 
     wxCHECK_RET( M_BMPDATA->m_bpp == 1, wxT("bitmap is not 1bpp") );
@@ -495,6 +471,7 @@ void wxBitmap::SetPalette(const wxPalette& palette)
     wxCHECK_RET( Ok(), wxT("invalid bitmap") );
     wxCHECK_RET( GetDepth() > 1 && GetDepth() <= 8, wxT("cannot set palette for bitmap of this depth") );
 
+    AllocExclusive();
     delete M_BMPDATA->m_palette;
     M_BMPDATA->m_palette = NULL;
 
@@ -509,21 +486,21 @@ void wxBitmap::SetPalette(const wxPalette& palette)
 
 void wxBitmap::SetHeight(int height)
 {
-    if (!m_refData) m_refData = new wxBitmapRefData();
+    AllocExclusive();
 
     M_BMPDATA->m_height = height;
 }
 
 void wxBitmap::SetWidth(int width)
 {
-    if (!m_refData) m_refData = new wxBitmapRefData();
+    AllocExclusive();
 
     M_BMPDATA->m_width = width;
 }
 
 void wxBitmap::SetDepth(int depth)
 {
-    if (!m_refData) m_refData = new wxBitmapRefData();
+    AllocExclusive();
 
     M_BMPDATA->m_bpp = depth;
 }
@@ -535,7 +512,7 @@ bitmap_t *wxBitmap::GetMGLbitmap_t() const
 
 // Convert wxColour into it's quantized value in lower-precision
 // pixel format (needed for masking by colour).
-wxColour wxBitmap::QuantizeColour(const wxColour& clr)
+wxColour wxBitmap::QuantizeColour(const wxColour& clr) const
 {
     pixel_format_t *pf = GetMGLbitmap_t()->pf;
 
@@ -559,7 +536,7 @@ public:
                        const wxString& extension, const wxString& name);
 
     virtual bool Create(wxBitmap *WXUNUSED(bitmap),
-                        void *WXUNUSED(data),
+                        const void* WXUNUSED(data),
                         long WXUNUSED(flags),
                         int WXUNUSED(width),
                         int WXUNUSED(height),
@@ -667,7 +644,7 @@ bool wxMGLBitmapHandler::SaveFile(const wxBitmap *bitmap, const wxString& name,
     int w = bitmap->GetWidth(),
         h = bitmap->GetHeight();
 
-    mem.SelectObject(*bitmap);
+    mem.SelectObjectAsSource(*bitmap);
     tdc = mem.GetMGLDC();
 
     switch (type)
@@ -777,7 +754,7 @@ class wxICOBitmapHandler: public wxBitmapHandler
                            const wxString& extension, const wxString& name);
 
         virtual bool Create(wxBitmap *WXUNUSED(bitmap),
-                            void *WXUNUSED(data),
+                            const void* WXUNUSED(data),
                             long WXUNUSED(flags),
                             int WXUNUSED(width),
                             int WXUNUSED(height),