X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/ba938d07881b247404ef71fb1f4d19ef29ecc99f..32b9d9ff9773e2e41c9147174359f836822f2d7d:/src/gtk/bitmap.cpp

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index c5ebe0fabd..a14de5ece0 100644
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -84,7 +84,7 @@ bool wxMask::Create( const wxBitmap& bitmap,
     // one bit per pixel, each row starts on a byte boundary
     const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
     wxByte* out = new wxByte[out_size];
-    // set bits are white
+    // set bits are unmasked
     memset(out, 0xff, out_size);
     unsigned bit_index = 0;
     if (bitmap.HasPixbuf())
@@ -109,8 +109,11 @@ bool wxMask::Create( const wxBitmap& bitmap,
     {
         GdkImage* image = gdk_drawable_get_image(bitmap.GetPixmap(), 0, 0, w, h);
         GdkColormap* colormap = gdk_image_get_colormap(image);
-        guint32 mask_pixel = 1;
-        if (colormap != NULL)
+        guint32 mask_pixel;
+        if (colormap == NULL)
+            // mono bitmap, white is pixel value 0
+            mask_pixel = guint32(colour.Red() != 255 || colour.Green() != 255 || colour.Blue() != 255);
+        else
         {
             wxColor c(colour);
             c.CalcPixel(colormap);
@@ -493,7 +496,7 @@ bool wxBitmap::CreateFromImageAsPixmap(const wxImage& image, int depth)
         // one bit per pixel, each row starts on a byte boundary
         const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
         wxByte* out = new wxByte[out_size];
-        // set bits are white
+        // set bits are black
         memset(out, 0xff, out_size);
         const wxByte* in = image.GetData();
         unsigned bit_index = 0;
@@ -577,7 +580,7 @@ bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)
     wxASSERT( gdk_pixbuf_get_width(pixbuf) == width );
     wxASSERT( gdk_pixbuf_get_height(pixbuf) == height );
 
-    SetDepth(wxTheApp->GetGdkVisual()->depth);
+    SetDepth(32);
     SetPixbuf(pixbuf);
 
     // Copy the data:
@@ -641,10 +644,9 @@ wxImage wxBitmap::ConvertToImage() const
     {
         GdkPixmap* pixmap = GetPixmap();
         GdkPixmap* pixmap_invert = NULL;
-#if 0
         if (GetDepth() == 1)
         {
-            // mono bitmaps are inverted
+            // mono bitmaps are inverted, i.e. 0 is white
             pixmap_invert = gdk_pixmap_new(pixmap, w, h, 1);
             GdkGC* gc = gdk_gc_new(pixmap_invert);
             gdk_gc_set_function(gc, GDK_COPY_INVERT);
@@ -652,7 +654,6 @@ wxImage wxBitmap::ConvertToImage() const
             g_object_unref(gc);
             pixmap = pixmap_invert;
         }
-#endif
         // create a pixbuf which shares data with the wxImage
         GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(
             data, GDK_COLORSPACE_RGB, false, 8, w, h, 3 * w, NULL, NULL);