--- nono/wx/wxmainview.cpp	2026/04/29 17:04:39	1.1.1.5
+++ nono/wx/wxmainview.cpp	2026/04/29 17:04:51	1.1.1.7
@@ -6,7 +6,6 @@
 
 #include "wxmainview.h"
 #include "keyboard.h"
-#include "mystring.h"
 #include "renderer.h"
 #include "scheduler.h"
 #include <wx/region.h>
@@ -134,8 +133,15 @@ WXMainView::OnPaint(wxPaintEvent& event)
 
 	wxImage image(rendwidth, rendheight, ImageBuf.get(), true);
 	if (viewwidth != rendwidth || viewheight != rendheight) {
-		// wxIMAGE_QUALITY_NORMAL だと速いが、品質優先。
-		image.Rescale(viewwidth, viewheight, wxIMAGE_QUALITY_HIGH);
+		// wxIMAGE_QUALITY_NORMAL だと速いが、ここは品質優先。
+#if _BYTE_ORDER == _BIG_ENDIAN
+		// XXX ..のはずだったが wxWidget 3.0.4 の QUALITY_HIGH は
+		// BigEndian だとバグってるようだ。QUALITY_NORMAL のほうは大丈夫。
+		auto quality = wxIMAGE_QUALITY_NORMAL;
+#else
+		auto quality = wxIMAGE_QUALITY_HIGH;
+#endif
+		image.Rescale(viewwidth, viewheight, quality);
 	}
 
 	wxBitmap bitmap(image);