Fix for unsafe use of a global pointer for focus window: now checks at destruct

[wxWidgets.git] / src / gtk1 / bitmap.cpp

diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp
index 572a176c3bd96ccddb17f10957d5c85cbd577fda..ed3595f860625abc7f11e21d5f06230730e69c61 100644 (file)
--- a/src/gtk1/bitmap.cpp
+++ b/src/gtk1/bitmap.cpp
@@ -15,10 +15,26 @@
 #include "wx/icon.h"
 #include "wx/filefn.h"
 #include "wx/image.h"
 #include "wx/icon.h"
 #include "wx/filefn.h"
 #include "wx/image.h"

+#include "wx/dcmemory.h"

 
 #include <gdk/gdk.h>
 
 #include <gdk/gdk.h>

-#include <gdk/gdkprivate.h>
-#include <gdk/gdkx.h>
+#include <gtk/gtk.h>
+
+extern void gdk_wx_draw_bitmap     (GdkDrawable  *drawable,
+                          GdkGC               *gc,
+                          GdkDrawable  *src,
+                          gint                xsrc,
+                          gint                ysrc,
+                          gint                xdest,
+                          gint                ydest,
+                          gint                width,
+                          gint                height);
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------
+
+extern GtkWidget *wxRootWindow;

 
 //-----------------------------------------------------------------------------
 // wxMask
 
 //-----------------------------------------------------------------------------
 // wxMask


@@ -51,7 +67,7 @@ wxMask::wxMask( const wxBitmap& bitmap )
 
 wxMask::~wxMask()
 {
 
 wxMask::~wxMask()
 {

-    if (m_bitmap) 
+    if (m_bitmap)

         gdk_bitmap_unref( m_bitmap );
 }
 
         gdk_bitmap_unref( m_bitmap );
 }
 


@@ -63,65 +79,83 @@ bool wxMask::Create( const wxBitmap& bitmap,
         gdk_bitmap_unref( m_bitmap );
         m_bitmap = (GdkBitmap*) NULL;
     }
         gdk_bitmap_unref( m_bitmap );
         m_bitmap = (GdkBitmap*) NULL;
     }

-    
+

     wxImage image( bitmap );
     if (!image.Ok()) return FALSE;
     wxImage image( bitmap );
     if (!image.Ok()) return FALSE;

-    
-    GdkVisual *visual = gdk_visual_get_system();
-    
-    GdkImage *mask_image = gdk_image_new( GDK_IMAGE_FASTEST, visual, image.GetWidth(), image.GetHeight() );
-    if (!mask_image) return FALSE;

 
 

-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-    m_bitmap = gdk_pixmap_new( parent, image.GetWidth(), image.GetHeight(), 1 );
-    
-    
+    m_bitmap = gdk_pixmap_new( wxRootWindow->window, image.GetWidth(), image.GetHeight(), 1 );
+    GdkGC *gc = gdk_gc_new( m_bitmap );
+
+    GdkColor color;
+    color.red = 65000;
+    color.green = 65000;
+    color.blue = 65000;
+    color.pixel = 1;
+    gdk_gc_set_foreground( gc, &color );
+    gdk_gc_set_fill( gc, GDK_SOLID );
+    gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
+

     unsigned char *data = image.GetData();
     int index = 0;
     unsigned char *data = image.GetData();
     int index = 0;

-    
+

     unsigned char red = colour.Red();
     unsigned char green = colour.Green();
     unsigned char blue = colour.Blue();
     unsigned char red = colour.Red();
     unsigned char green = colour.Green();
     unsigned char blue = colour.Blue();

+
+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );

     
     int bpp = visual->depth;
     if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
     if (bpp == 15)
     {
         red = red & 0xf8;
     
     int bpp = visual->depth;
     if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
     if (bpp == 15)
     {
         red = red & 0xf8;

-        blue = blue & 0xf8;

         green = green & 0xf8;
         green = green & 0xf8;

+        blue = blue & 0xf8;

     }
     if (bpp == 16)
     {
         red = red & 0xf8;
     }
     if (bpp == 16)
     {
         red = red & 0xf8;

-        blue = blue & 0xfc;
-        green = green & 0xf8;
+        green = green & 0xfc;
+        blue = blue & 0xf8;

     }
     }

-    
+
+    color.red = 0;
+    color.green = 0;
+    color.blue = 0;
+    color.pixel = 0;
+    gdk_gc_set_foreground( gc, &color );
+

     for (int j = 0; j < image.GetHeight(); j++)
     for (int j = 0; j < image.GetHeight(); j++)

-      for (int i = 0; i < image.GetWidth(); i++)
+    {
+        int start_x = -1;
+        int i;
+        for (i = 0; i < image.GetWidth(); i++)

         {
         {

-           if ((data[index] == red) &&
-               (data[index+1] == green) &&
-               (data[index+2] == blue))
-           {
-               gdk_image_put_pixel( mask_image, i, j, 1 );
-           }
-           else
-           {
-               gdk_image_put_pixel( mask_image, i, j, 1 );
-           }
-           index += 3;
-       }
-
-    GdkGC *mask_gc = gdk_gc_new( m_bitmap );
-
-    gdk_draw_image( m_bitmap, mask_gc, mask_image, 0, 0, 0, 0, image.GetWidth(), image.GetHeight() );
-
-    gdk_gc_unref( mask_gc );
-    gdk_image_destroy( mask_image );
-    
-    return FALSE;
+            if ((data[index] == red) &&
+                (data[index+1] == green) &&
+                (data[index+2] == blue))
+            {
+                if (start_x == -1)
+                start_x = i;
+            }
+            else
+            {
+                if (start_x != -1)
+                {
+                    gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
+                    start_x = -1;
+                }
+            }
+            index += 3;
+        }
+        if (start_x != -1)
+            gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
+    }
+
+    gdk_gc_unref( gc );
+
+    return TRUE;

 }
 
 bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
 }
 
 bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),


@@ -150,13 +184,13 @@ bool wxMask::Create( const wxBitmap& bitmap )
 
     wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
 
 
     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 );
+    m_bitmap = gdk_pixmap_new( wxRootWindow->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );

 
     if (!m_bitmap) return FALSE;
 
     GdkGC *gc = gdk_gc_new( m_bitmap );
 
 
     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_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );

 
     gdk_gc_unref( gc );
 
 
     gdk_gc_unref( gc );
 


@@ -175,16 +209,16 @@ GdkBitmap *wxMask::GetBitmap() const
 class wxBitmapRefData: public wxObjectRefData
 {
 public:
 class wxBitmapRefData: public wxObjectRefData
 {
 public:

-  wxBitmapRefData();
-  ~wxBitmapRefData();
-
-  GdkPixmap      *m_pixmap;
-  GdkBitmap      *m_bitmap;
-  wxMask         *m_mask;
-  int             m_width;
-  int             m_height;
-  int             m_bpp;
-  wxPalette      *m_palette;
+    wxBitmapRefData();
+    ~wxBitmapRefData();
+
+    GdkPixmap      *m_pixmap;
+    GdkBitmap      *m_bitmap;
+    wxMask         *m_mask;
+    int             m_width;
+    int             m_height;
+    int             m_bpp;
+    wxPalette      *m_palette;

 };
 
 wxBitmapRefData::wxBitmapRefData()
 };
 
 wxBitmapRefData::wxBitmapRefData()


@@ -219,13 +253,24 @@ wxBitmap::wxBitmap()
 
 wxBitmap::wxBitmap( int width, int height, int depth )
 {
 
 wxBitmap::wxBitmap( int width, int height, int depth )
 {

-    wxCHECK_RET( (width > 0) && (height > 0), wxT("invalid bitmap size") )
+    Create( width, height, depth );

 
 

-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-    if (depth == -1) depth = gdk_window_get_visual( parent )->depth;
+    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+}
+
+bool wxBitmap::Create( int width, int height, int depth )
+{
+    UnRef();
+
+    wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") )

 
 

-    wxCHECK_RET( (depth ==  gdk_window_get_visual( parent )->depth) ||
-                 (depth == 1), wxT("invalid bitmap depth") )
+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );
+
+    if (depth == -1) depth = visual->depth;
+
+    wxCHECK_MSG( (depth == visual->depth) ||
+                 (depth == 1), FALSE, wxT("invalid bitmap depth") )

 
     m_refData = new wxBitmapRefData();
     M_BMPDATA->m_mask = (wxMask *) NULL;
 
     m_refData = new wxBitmapRefData();
     M_BMPDATA->m_mask = (wxMask *) NULL;


@@ -233,28 +278,29 @@ wxBitmap::wxBitmap( int width, int height, int depth )
     M_BMPDATA->m_height = height;
     if (depth == 1)
     {
     M_BMPDATA->m_height = height;
     if (depth == 1)
     {

-        M_BMPDATA->m_bitmap = gdk_pixmap_new( parent, width, height, 1 );
+        M_BMPDATA->m_bitmap = gdk_pixmap_new( wxRootWindow->window, width, height, 1 );

         M_BMPDATA->m_bpp = 1;
     }
     else
     {
         M_BMPDATA->m_bpp = 1;
     }
     else
     {

-        M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
-        M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
+        M_BMPDATA->m_pixmap = gdk_pixmap_new( wxRootWindow->window, width, height, depth );
+        M_BMPDATA->m_bpp = visual->depth;

     }
 
     }
 

-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    return Ok();

 }
 }

-

 bool wxBitmap::CreateFromXpm( const char **bits )
 {
     wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
 
 bool wxBitmap::CreateFromXpm( const char **bits )
 {
     wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
 

+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );
+    

     m_refData = new wxBitmapRefData();
 
     GdkBitmap *mask = (GdkBitmap*) NULL;
     m_refData = new wxBitmapRefData();
 
     GdkBitmap *mask = (GdkBitmap*) NULL;

-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;

 
 

-    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
+    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxRootWindow->window, &mask, NULL, (gchar **) bits );

 
     wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
 
 
     wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
 


@@ -266,7 +312,8 @@ bool wxBitmap::CreateFromXpm( const char **bits )
 
     gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 
 
     gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 

-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
+    M_BMPDATA->m_bpp = visual->depth;  // ?
+    

     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 
     return TRUE;
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 
     return TRUE;


@@ -292,7 +339,7 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth
 
     M_BMPDATA->m_mask = (wxMask *) NULL;
     M_BMPDATA->m_bitmap =
 
     M_BMPDATA->m_mask = (wxMask *) NULL;
     M_BMPDATA->m_bitmap =

-      gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
+      gdk_bitmap_create_from_data( wxRootWindow->window, (gchar *) bits, width, height );

     M_BMPDATA->m_width = width;
     M_BMPDATA->m_height = height;
     M_BMPDATA->m_bpp = 1;
     M_BMPDATA->m_width = width;
     M_BMPDATA->m_height = height;
     M_BMPDATA->m_bpp = 1;


@@ -314,12 +361,12 @@ wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
     return *this;
 }
 
     return *this;
 }
 

-bool wxBitmap::operator == ( const wxBitmap& bmp )
+bool wxBitmap::operator == ( const wxBitmap& bmp ) const

 {
     return m_refData == bmp.m_refData;
 }
 
 {
     return m_refData == bmp.m_refData;
 }
 

-bool wxBitmap::operator != ( const wxBitmap& bmp )
+bool wxBitmap::operator != ( const wxBitmap& bmp ) const

 {
     return m_refData != bmp.m_refData;
 }
 {
     return m_refData != bmp.m_refData;
 }


@@ -366,6 +413,44 @@ void wxBitmap::SetMask( wxMask *mask )
     M_BMPDATA->m_mask = mask;
 }
 
     M_BMPDATA->m_mask = mask;
 }
 

+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
+{
+    wxCHECK_MSG( Ok() &&
+                 (rect.x >= 0) && (rect.y >= 0) &&
+                 (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
+                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
+
+    wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
+    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+
+    if (ret.GetPixmap())
+    {
+        GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
+        gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+    }
+    else
+    {
+        GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
+        gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+    }
+
+    if (GetMask())
+    {
+        wxMask *mask = new wxMask;
+        mask->m_bitmap = gdk_pixmap_new( wxRootWindow->window, rect.width, rect.height, 1 );
+
+        GdkGC *gc = gdk_gc_new( mask->m_bitmap );
+        gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+
+        ret.SetMask( mask );
+    }
+
+    return ret;
+}
+

 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
 {
     wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );
 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
 {
     wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );


@@ -385,14 +470,16 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
 
     if (!wxFileExists(name)) return FALSE;
 
 
     if (!wxFileExists(name)) return FALSE;
 

+    GdkVisual *visual = gdk_window_get_visual( wxRootWindow->window );
+    wxASSERT( visual );
+    

     if (type == wxBITMAP_TYPE_XPM)
     {
         m_refData = new wxBitmapRefData();
 
         GdkBitmap *mask = (GdkBitmap*) NULL;
     if (type == wxBITMAP_TYPE_XPM)
     {
         m_refData = new wxBitmapRefData();
 
         GdkBitmap *mask = (GdkBitmap*) NULL;

-        GdkWindow *parent = (GdkWindow*) &gdk_root_parent;

 
 

-        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( parent, &mask, NULL, name.fn_str() );
+        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxRootWindow->window, &mask, NULL, name.fn_str() );

 
         if (mask)
         {
 
         if (mask)
         {


@@ -401,7 +488,8 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
         }
 
         gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
         }
 
         gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );

-        M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
+        
+        M_BMPDATA->m_bpp = visual->depth;

     }
     else // try if wxImage can load it
     {
     }
     else // try if wxImage can load it
     {


@@ -449,6 +537,13 @@ void wxBitmap::SetPixmap( GdkPixmap *pixmap )
     M_BMPDATA->m_pixmap = pixmap;
 }
 
     M_BMPDATA->m_pixmap = pixmap;
 }
 

+void wxBitmap::SetBitmap( GdkPixmap *bitmap )
+{
+    if (!m_refData) m_refData = new wxBitmapRefData();
+
+    M_BMPDATA->m_bitmap = bitmap;
+}
+

 GdkPixmap *wxBitmap::GetPixmap() const
 {
     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
 GdkPixmap *wxBitmap::GetPixmap() const
 {
     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );