X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/223d09f6b523aac674ef9b72a883dfa8d37c5d4e..c8b4eea8f23cd90e8b8390f2a742f0f828c57461:/src/gtk1/bitmap.cpp

diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp
index 0918af1707..59428e9024 100644
--- a/src/gtk1/bitmap.cpp
+++ b/src/gtk1/bitmap.cpp
@@ -16,9 +16,9 @@
 #include "wx/filefn.h"
 #include "wx/image.h"
 
-#include "gdk/gdk.h"
-#include "gdk/gdkprivate.h"
-#include "gdk/gdkx.h"
+#include <gdk/gdk.h>
+#include <gdk/gdkprivate.h>
+#include <gdk/gdkx.h>
 
 //-----------------------------------------------------------------------------
 // wxMask
@@ -33,35 +33,94 @@ wxMask::wxMask()
 
 wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
 {
+    m_bitmap = (GdkBitmap *) NULL;
     Create( bitmap, colour );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
 {
+    m_bitmap = (GdkBitmap *) NULL;
     Create( bitmap, paletteIndex );
 }
 
 wxMask::wxMask( const wxBitmap& bitmap )
 {
+    m_bitmap = (GdkBitmap *) NULL;
     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)
     {
         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;
 }
 
@@ -332,7 +391,7 @@ bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(pal
 {
     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 );
@@ -365,20 +424,13 @@ 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;
     }
-    else if (type == wxBITMAP_TYPE_PNG)
+    else // try if wxImage can load it
     {
         wxImage image;
-        image.LoadFile( name, type );
+        if (!image.LoadFile( name, type )) return FALSE;
         if (image.Ok()) *this = image.ConvertToBitmap();
+        else return FALSE;
     }
-    else if (type == wxBITMAP_TYPE_BMP)
-    {
-        wxImage image;
-        image.LoadFile( name, type );
-        if (image.Ok()) *this = image.ConvertToBitmap();
-    }
-    else
-        return FALSE;
 
     return TRUE;
 }