X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/72a7edf007f57bc9dacea77c408adb86a57d41f7..2463329cd36c305f4007445049a89439fb7e62a9:/src/gtk1/bitmap.cpp?ds=sidebyside

diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp
index 8a6ca2ccc7..919af2c170 100644
--- a/src/gtk1/bitmap.cpp
+++ b/src/gtk1/bitmap.cpp
@@ -55,17 +55,72 @@ wxMask::~wxMask()
         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)
     {
         gdk_bitmap_unref( m_bitmap );
         m_bitmap = (GdkBitmap*) NULL;
     }
+    
+    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;
 
-    wxFAIL_MSG( wxT("TODO") );
-
+    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
+    m_bitmap = gdk_pixmap_new( parent, image.GetWidth(), image.GetHeight(), 1 );
+    
+    
+    unsigned char *data = image.GetData();
+    int index = 0;
+    
+    unsigned char red = colour.Red();
+    unsigned char green = colour.Green();
+    unsigned char blue = colour.Blue();
+    
+    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;
+    }
+    
+    for (int j = 0; j < image.GetHeight(); j++)
+      for (int 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;
 }
 
@@ -190,32 +245,9 @@ wxBitmap::wxBitmap( int width, int height, int depth )
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
 }
 
-wxBitmap::wxBitmap( const 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 );
-
-    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 )
+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();
 
@@ -224,7 +256,7 @@ 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, wxT("couldn't create pixmap") );
+    wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );
 
     if (mask)
     {
@@ -236,6 +268,8 @@ wxBitmap::wxBitmap( char **bits )
 
     M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
     if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+
+    return TRUE;
 }
 
 wxBitmap::wxBitmap( const wxBitmap& bmp )
@@ -332,6 +366,45 @@ void wxBitmap::SetMask( wxMask *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") );