Cleaned up paint DC cache in ~wxPaintDC to avoid spurious memory warning

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

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 80ecdcddac6ceacd6b699c80cb13e81cf796a716..0918af170798ebde32349770366c4f7902f89feb 100644 (file)
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -31,16 +31,19 @@ wxMask::wxMask()
     m_bitmap = (GdkBitmap *) NULL;
 }
 
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
+wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
 {
+    Create( bitmap, colour );
 }
 
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
+wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
 {
+    Create( bitmap, paletteIndex );
 }
 
-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
+wxMask::wxMask( const wxBitmap& bitmap )
 {
+    Create( bitmap );
 }
 
 wxMask::~wxMask()
@@ -48,7 +51,60 @@ wxMask::~wxMask()
     if (m_bitmap) gdk_bitmap_unref( m_bitmap );
 }
 
-GdkBitmap *wxMask::GetBitmap(void) const
+bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
+                     const wxColour& WXUNUSED(colour) )
+{
+    if (m_bitmap)
+    {
+        gdk_bitmap_unref( m_bitmap );
+        m_bitmap = (GdkBitmap*) NULL;
+    }
+
+    wxFAIL_MSG( wxT("TODO") );
+
+    return FALSE;
+}
+
+bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
+                     int WXUNUSED(paletteIndex) )
+{
+    if (m_bitmap)
+    {
+        gdk_bitmap_unref( m_bitmap );
+        m_bitmap = (GdkBitmap*) NULL;
+    }
+
+    wxFAIL_MSG( wxT("not implemented") );
+
+    return FALSE;
+}
+
+bool wxMask::Create( const wxBitmap& bitmap )
+{
+    if (m_bitmap)
+    {
+        gdk_bitmap_unref( m_bitmap );
+        m_bitmap = (GdkBitmap*) NULL;
+    }
+
+    if (!bitmap.Ok()) return FALSE;
+
+    wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
+
+    m_bitmap = gdk_pixmap_new( (GdkWindow*) &gdk_root_parent, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+
+    if (!m_bitmap) return FALSE;
+
+    GdkGC *gc = gdk_gc_new( m_bitmap );
+
+    gdk_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
+
+    gdk_gc_unref( gc );
+
+    return TRUE;
+}
+
+GdkBitmap *wxMask::GetBitmap() const
 {
     return m_bitmap;
 }
@@ -60,8 +116,8 @@ GdkBitmap *wxMask::GetBitmap(void) const
 class wxBitmapRefData: public wxObjectRefData
 {
 public:
-  wxBitmapRefData(void);
-  ~wxBitmapRefData(void);
+  wxBitmapRefData();
+  ~wxBitmapRefData();
 
   GdkPixmap      *m_pixmap;
   GdkBitmap      *m_bitmap;
@@ -104,13 +160,13 @@ wxBitmap::wxBitmap()
 
 wxBitmap::wxBitmap( int width, int height, int depth )
 {
-    wxCHECK_RET( (width > 0) && (height > 0), _T("invalid bitmap size") )
-    
+    wxCHECK_RET( (width > 0) && (height > 0), wxT("invalid bitmap size") )
+
     GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
     if (depth == -1) depth = gdk_window_get_visual( parent )->depth;
-    
+
     wxCHECK_RET( (depth ==  gdk_window_get_visual( parent )->depth) ||
-                 (depth == 1), _T("invalid bitmap depth") )
+                 (depth == 1), wxT("invalid bitmap depth") )
 
     m_refData = new wxBitmapRefData();
     M_BMPDATA->m_mask = (wxMask *) NULL;
@@ -132,7 +188,7 @@ wxBitmap::wxBitmap( int width, int height, int depth )
 
 wxBitmap::wxBitmap( const char **bits )
 {
-    wxCHECK_RET( bits != NULL, _T("invalid bitmap data") )
+    wxCHECK_RET( bits != NULL, wxT("invalid bitmap data") )
 
     m_refData = new wxBitmapRefData();
 
@@ -155,7 +211,7 @@ wxBitmap::wxBitmap( const char **bits )
 
 wxBitmap::wxBitmap( char **bits )
 {
-    wxCHECK_RET( bits != NULL, _T("invalid bitmap data") )
+    wxCHECK_RET( bits != NULL, wxT("invalid bitmap data") )
 
     m_refData = new wxBitmapRefData();
 
@@ -164,7 +220,7 @@ wxBitmap::wxBitmap( char **bits )
 
     M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
 
-    wxCHECK_RET( M_BMPDATA->m_pixmap, _T("couldn't create pixmap") );
+    wxCHECK_RET( M_BMPDATA->m_pixmap, wxT("couldn't create pixmap") );
 
     if (mask)
     {
@@ -203,7 +259,7 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth
     M_BMPDATA->m_height = height;
     M_BMPDATA->m_bpp = 1;
 
-    wxCHECK_RET( M_BMPDATA->m_bitmap, _T("couldn't create bitmap") );
+    wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );
 
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 }
@@ -230,42 +286,42 @@ bool wxBitmap::operator != ( const wxBitmap& bmp )
     return m_refData != bmp.m_refData;
 }
 
-bool wxBitmap::Ok(void) const
+bool wxBitmap::Ok() const
 {
     return (m_refData != NULL);
 }
 
-int wxBitmap::GetHeight(void) const
+int wxBitmap::GetHeight() const
 {
-    wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_height;
 }
 
-int wxBitmap::GetWidth(void) const
+int wxBitmap::GetWidth() const
 {
-    wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_width;
 }
 
-int wxBitmap::GetDepth(void) const
+int wxBitmap::GetDepth() const
 {
-    wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bpp;
 }
 
-wxMask *wxBitmap::GetMask(void) const
+wxMask *wxBitmap::GetMask() const
 {
-    wxCHECK_MSG( Ok(), (wxMask *) NULL, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_mask;
 }
 
 void wxBitmap::SetMask( wxMask *mask )
 {
-    wxCHECK_RET( Ok(), _T("invalid bitmap") );
+    wxCHECK_RET( Ok(), wxT("invalid bitmap") );
 
     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 
@@ -274,12 +330,12 @@ void wxBitmap::SetMask( wxMask *mask )
 
 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
 {
-    wxCHECK_MSG( Ok(), FALSE, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
 
     if (type == wxBITMAP_TYPE_PNG)
     {
         wxImage image( *this );
-       if (image.Ok()) return image.SaveFile( name, type );
+        if (image.Ok()) return image.SaveFile( name, type );
     }
 
     return FALSE;
@@ -327,7 +383,7 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
     return TRUE;
 }
 
-wxPalette *wxBitmap::GetPalette(void) const
+wxPalette *wxBitmap::GetPalette() const
 {
     if (!Ok()) return (wxPalette *) NULL;
 
@@ -362,16 +418,16 @@ void wxBitmap::SetPixmap( GdkPixmap *pixmap )
     M_BMPDATA->m_pixmap = pixmap;
 }
 
-GdkPixmap *wxBitmap::GetPixmap(void) const
+GdkPixmap *wxBitmap::GetPixmap() const
 {
-    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_pixmap;
 }
 
-GdkBitmap *wxBitmap::GetBitmap(void) const
+GdkBitmap *wxBitmap::GetBitmap() const
 {
-    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bitmap;
 }