X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/533b005afddad05e3d126b5d3ad9227e8eb05701..8ca1a013e4e699724040ff1f514dab3b4a11d3c9:/src/gtk/bitmap.cpp

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index bc18293081..e5f2b669d1 100644
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -304,9 +304,6 @@ wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight,
 
     wxCHECK_MSG(Ok(), bmp, wxT("invalid bitmap"));
 
-    if (newx==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
-        return *this;
-
     int width = wxMax(newx, 1);
     int height = wxMax(newy, 1);
     width = wxMin(width, clipwidth);
@@ -336,7 +333,7 @@ wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight,
     // images, but the only one which preserves sharp edges
     gdk_pixbuf_scale(
         pixbuf, pixbuf_scaled,
-        0, 0, width, height, clipx, clipy, scale_x, scale_y,
+        0, 0, width, height, -clipx, -clipy, scale_x, scale_y,
         GDK_INTERP_NEAREST);
 
     g_object_unref(pixbuf);
@@ -353,7 +350,7 @@ wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight,
 
         gdk_pixbuf_scale(
             pixbuf, pixbuf_scaled,
-            0, 0, width, height, clipx, clipy, scale_x, scale_y,
+            0, 0, width, height, -clipx, -clipy, scale_x, scale_y,
             GDK_INTERP_NEAREST);
 
         g_object_unref(pixbuf);
@@ -366,6 +363,8 @@ wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight,
     return bmp;
 }
 
+#if wxUSE_IMAGE
+
 bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
 {
     UnRef();
@@ -596,6 +595,8 @@ wxImage wxBitmap::ConvertToImage() const
     return image;
 }
 
+#endif // wxUSE_IMAGE
+
 bool wxBitmap::IsOk() const
 {
     return (m_refData != NULL) &&
@@ -695,9 +696,13 @@ bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalett
 {
     wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
 
+#if wxUSE_IMAGE
     // Try to save the bitmap via wxImage handlers:
     wxImage image = ConvertToImage();
     return image.Ok() && image.SaveFile(name, type);
+#else // !wxUSE_IMAGE
+    return false;
+#endif // wxUSE_IMAGE
 }
 
 bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
@@ -715,12 +720,14 @@ bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
             M_BMPDATA->m_mask->m_bitmap = mask;
         }
     }
+#if wxUSE_IMAGE
     else // try if wxImage can load it
     {
         wxImage image;
         if (image.LoadFile(name, type) && image.Ok())
             CreateFromImage(image, -1);
     }
+#endif // wxUSE_IMAGE
 
     return Ok();
 }
@@ -789,7 +796,7 @@ GdkPixmap *wxBitmap::GetPixmap() const
         gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
                                           &M_BMPDATA->m_pixmap,
                                           pmask,
-                                          wxIMAGE_ALPHA_THRESHOLD);
+                                          0x80 /* alpha threshold */);
     }
 
     return M_BMPDATA->m_pixmap;
@@ -920,19 +927,6 @@ bool wxBitmap::HasAlpha() const
         gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbuf);
 }
 
-void wxBitmap::UseAlpha()
-{
-    GdkPixbuf* pixbuf = GetPixbuf();
-    // add alpha if necessary
-    if (!gdk_pixbuf_get_has_alpha(pixbuf))
-    {
-        M_BMPDATA->m_pixbuf = NULL;
-        AllocExclusive();
-        M_BMPDATA->m_pixbuf = gdk_pixbuf_add_alpha(pixbuf, false, 0, 0, 0);
-        g_object_unref(pixbuf);
-    }
-}
-
 wxObjectRefData* wxBitmap::CreateRefData() const
 {
     return new wxBitmapRefData;