remove Rescale(), it is no longer used

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@57822 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/include/wx/gtk/bitmap.h b/include/wx/gtk/bitmap.h
index c1eee5ca50c06f141538c3402b4477605a6e8f05..0469a707f0746c8fb2ddfafdcde3c73b2add0641 100644 (file)
--- a/include/wx/gtk/bitmap.h
+++ b/include/wx/gtk/bitmap.h
@@ -110,10 +110,6 @@ public:
     bool HasPixbuf() const;
     GdkPixbuf *GetPixbuf() const;
 
-    // Basically, this corresponds to Win32 StretchBlt()
-    wxBitmap Rescale(int clipx, int clipy, int clipwidth, int clipheight,
-                     int width, int height) const;
-
     // raw bitmap access support functions
     void *GetRawData(wxPixelDataBase& data, int bpp);
     void UngetRawData(wxPixelDataBase& data);

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 1be0bb94a42ae9f8909f35cefc3c15906f7a59dc..9076d3c0ac3fa9c245cd45c55871c501e63e45ac 100644 (file)
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -309,70 +309,6 @@ bool wxBitmap::Create( int width, int height, int depth )
     return Ok();
 }
 
-wxBitmap wxBitmap::Rescale(int clipx, int clipy, int clipwidth, int clipheight,
-                           int width, int height) const
-{
-    wxBitmap bmp;
-
-    wxCHECK_MSG(Ok(), bmp, wxT("invalid bitmap"));
-
-    width = wxMax(width, 1);
-    height = wxMax(height, 1);
-
-    const double scale_x = double(width) / clipwidth;
-    const double scale_y = double(height) / clipheight;
-
-    // Converting to pixbuf, scaling with gdk_pixbuf_scale, and converting
-    // back, is faster than scaling pixmap ourselves.
-
-    // use pixbuf if already available,
-    // otherwise create temporary pixbuf from pixmap
-    GdkPixbuf* pixbuf = M_BMPDATA->m_pixbuf;
-    if (pixbuf)
-        g_object_ref(pixbuf);
-    else
-        pixbuf = gdk_pixbuf_get_from_drawable(
-            NULL, M_BMPDATA->m_pixmap, NULL,
-            0, 0, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height);
-
-    // new pixbuf for scaled wxBitmap
-    GdkPixbuf* pixbuf_scaled = gdk_pixbuf_new(
-        GDK_COLORSPACE_RGB, gdk_pixbuf_get_has_alpha(pixbuf), 8, width, height);
-
-    // GDK_INTERP_NEAREST is the lowest-quality method for continuous-tone
-    // images, but the only one which preserves sharp edges
-    gdk_pixbuf_scale(
-        pixbuf, pixbuf_scaled,
-        0, 0, width, height, -clipx*scale_x, -clipy*scale_y, scale_x, scale_y,
-        GDK_INTERP_NEAREST);
-
-    g_object_unref(pixbuf);
-    bmp.SetPixbuf(pixbuf_scaled, M_BMPDATA->m_bpp);
-
-    if (M_BMPDATA->m_mask)
-    {
-        pixbuf = gdk_pixbuf_get_from_drawable(
-            NULL, M_BMPDATA->m_mask->m_bitmap, NULL,
-            0, 0, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height);
-
-        pixbuf_scaled = gdk_pixbuf_new(
-            GDK_COLORSPACE_RGB, false, 8, width, height);
-
-        gdk_pixbuf_scale(
-            pixbuf, pixbuf_scaled,
-            0, 0, width, height, -clipx, -clipy, scale_x, scale_y,
-            GDK_INTERP_NEAREST);
-
-        g_object_unref(pixbuf);
-
-        // use existing functionality to create mask from scaled pixbuf
-        wxBitmap maskbmp;
-        maskbmp.SetPixbuf(pixbuf_scaled);
-        bmp.SetMask(new wxMask(maskbmp, *wxBLACK));
-    }
-    return bmp;
-}
-
 #if wxUSE_IMAGE
 
 bool wxBitmap::CreateFromImage(const wxImage& image, int depth)