Compilation fix,

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

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 0918af170798ebde32349770366c4f7902f89feb..88a14771663a4a8796eaf8aaf76c116716002391 100644 (file)
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -15,10 +15,18 @@
 #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/gdkprivate.h"
-#include "gdk/gdkx.h"
+#include <gdk/gdk.h>
+#include <gdk/gdkprivate.h>
+
+// in GTK+ 1.3 gdk_root_parent was renamed into gdk_parent_root
+#ifdef __WXGTK13__
+    #define gdk_root_parent gdk_parent_root
+#else // GTK+ <= 1.2
+    // need to get the declaration of gdk_root_parent from private header
+    #include <gdk/gdkx.h>
+#endif // GTK+ 1.3/1.2

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


@@ -33,26 +41,30 @@ wxMask::wxMask()
 
 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
 {
 
 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
 {

+    m_bitmap = (GdkBitmap *) NULL;

     Create( bitmap, colour );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
 {
     Create( bitmap, colour );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
 {

+    m_bitmap = (GdkBitmap *) NULL;

     Create( bitmap, paletteIndex );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap )
 {
     Create( bitmap, paletteIndex );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap )
 {

+    m_bitmap = (GdkBitmap *) NULL;

     Create( bitmap );
 }
 
 wxMask::~wxMask()
 {
     Create( bitmap );
 }
 
 wxMask::~wxMask()
 {

-    if (m_bitmap) gdk_bitmap_unref( m_bitmap );
+    if (m_bitmap)
+        gdk_bitmap_unref( m_bitmap );

 }
 
 }
 

-bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
-                     const wxColour& WXUNUSED(colour) )
+bool wxMask::Create( const wxBitmap& bitmap,
+                     const wxColour& colour )

 {
     if (m_bitmap)
     {
 {
     if (m_bitmap)
     {


@@ -60,9 +72,81 @@ bool wxMask::Create( const wxBitmap& WXUNUSED(bitmap),
         m_bitmap = (GdkBitmap*) NULL;
     }
 
         m_bitmap = (GdkBitmap*) NULL;
     }
 

-    wxFAIL_MSG( wxT("TODO") );
+    wxImage image( bitmap );
+    if (!image.Ok()) return FALSE;

 
 

-    return FALSE;
+    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
+    m_bitmap = gdk_pixmap_new( parent, 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 red = colour.Red();
+    unsigned char green = colour.Green();
+    unsigned char blue = colour.Blue();
+
+    GdkVisual *visual = gdk_visual_get_system();
+    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;
+    }
+    if (bpp == 16)
+    {
+        red = red & 0xf8;
+        blue = blue & 0xfc;
+        green = green & 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++)
+    {
+        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))
+            {
+                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),


@@ -116,16 +200,16 @@ 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()


@@ -186,9 +270,9 @@ wxBitmap::wxBitmap( int width, int height, int depth )
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 }
 
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 }
 

-wxBitmap::wxBitmap( const char **bits )
+bool wxBitmap::CreateFromXpm( const char **bits )

 {
 {

-    wxCHECK_RET( bits != NULL, wxT("invalid bitmap data") )
+    wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )

 
     m_refData = new wxBitmapRefData();
 
 
     m_refData = new wxBitmapRefData();
 


@@ -197,30 +281,7 @@ wxBitmap::wxBitmap( const char **bits )
 
     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( parent, &mask, NULL, (gchar **) bits );
 

-    if (mask)
-    {
-        M_BMPDATA->m_mask = new wxMask();
-        M_BMPDATA->m_mask->m_bitmap = mask;
-    }
-
-    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;  // ?
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-}
-
-wxBitmap::wxBitmap( char **bits )
-{
-    wxCHECK_RET( bits != NULL, wxT("invalid bitmap data") )
-
-    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 );
-
-    wxCHECK_RET( M_BMPDATA->m_pixmap, wxT("couldn't create pixmap") );
+    wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );

 
     if (mask)
     {
 
     if (mask)
     {


@@ -232,6 +293,8 @@ wxBitmap::wxBitmap( char **bits )
 
     M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 
     M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

+
+    return TRUE;

 }
 
 wxBitmap::wxBitmap( const wxBitmap& bmp )
 }
 
 wxBitmap::wxBitmap( const wxBitmap& bmp )


@@ -328,11 +391,50 @@ 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_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;
+        GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
+        mask->m_bitmap = gdk_pixmap_new( parent, rect.width, rect.height, 1 );
+
+        GdkGC *gc = gdk_gc_new( mask->m_bitmap );
+        gdk_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") );
 

-    if (type == wxBITMAP_TYPE_PNG)
+    // Try to save the bitmap via wxImage handlers:

     {
         wxImage image( *this );
         if (image.Ok()) return image.SaveFile( name, type );
     {
         wxImage image( *this );
         if (image.Ok()) return image.SaveFile( name, type );


@@ -365,20 +467,13 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
         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;
     }
         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;
     }

-    else if (type == wxBITMAP_TYPE_PNG)
-    {
-        wxImage image;
-        image.LoadFile( name, type );
-        if (image.Ok()) *this = image.ConvertToBitmap();
-    }
-    else if (type == wxBITMAP_TYPE_BMP)
+    else // try if wxImage can load it

     {
         wxImage image;
     {
         wxImage image;

-        image.LoadFile( name, type );
+        if (!image.LoadFile( name, type )) return FALSE;

         if (image.Ok()) *this = image.ConvertToBitmap();
         if (image.Ok()) *this = image.ConvertToBitmap();

+        else return FALSE;

     }
     }

-    else
-        return FALSE;

 
     return TRUE;
 }
 
     return TRUE;
 }