[Webkit-unassigned] [Bug 16941] New: [GTK] FontCustomPlatformData.cpp leaks FT_Faces

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Sat Jan 19 09:54:02 PST 2008


           Summary: [GTK] FontCustomPlatformData.cpp leaks FT_Faces
           Product: WebKit
           Version: 525+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Keywords: Gtk, Cairo
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: alp at atoker.com

The newly created memory face needs to be destroyed manually according to the

Since we also need to free the SharedBuffer, we can't just add another user key
I think.

It might be better to add the newly created FontCustomPlatformData as the user
data and do the freeing from there. Not sure yet what the best fix is.

    FT_Face face;
    error = FT_New_Memory_Face(library, reinterpret_cast<const
FT_Byte*>(buffer->data()), buffer->size(), 0, &face);
    if (error)
        return 0;

    cairo_font_face_t* fontFace = cairo_ft_font_face_create_for_ft_face(face,

    static cairo_user_data_key_t bufferKey;
    cairo_font_face_set_user_data(fontFace, &bufferKey, buffer, releaseData);

    return new FontCustomPlatformData(fontFace);

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