ENH:show big bed image

jira: none
Change-Id: Iaf3529345f688f2dbdc35c16f45253a5b65feb84
(cherry picked from commit 5e2861acca8d86d6e7012f73d3f739877eb05069)

src/slic3r/GUI/ImageDPIFrame.hpp

@@ -0,0 +1,28 @@
+#ifndef _ImageDPIFrame_H_
+#define _ImageDPIFrame_H_
+
+#include "GUI_App.hpp"
+#include "GUI_Utils.hpp"
+
+class wxStaticBitmap;
+namespace Slic3r { namespace GUI {
+class ImageDPIFrame : public Slic3r::GUI::DPIFrame
+{
+public:
+    ImageDPIFrame();
+    ~ImageDPIFrame() override;
+    void on_dpi_changed(const wxRect &suggested_rect) override;
+    void on_show();
+    void on_hide();
+    bool Show(bool show = true) override;
+
+    void set_bitmap(const wxBitmap& bit_map);
+    int  get_image_px() { return m_image_px; }
+
+private:
+    wxStaticBitmap *m_bitmap = nullptr;
+    wxBoxSizer *m_sizer_main{nullptr};
+    int             m_image_px;
+};
+}}     // namespace Slic3r::GUI
+#endif  // _STEP_MESH_DIALOG_H_