Attempt xcb image put.

src/windows/ui_interfaces/x11/XcbImage.h

@@ -1,6 +1,47 @@
 #pragma once
 
+#include <xcb/xcb_image.h>
+
+#include "Window.h"
+#include "XcbWindow.h"
+
 class XcbImage
 {
+public:
+    XcbImage(xcb_connection_t* connection, mt::Window* window, xcb_screen_t* screen)
+    {
+        mPixmap = xcb_generate_id(connection);
+        auto hwnd = dynamic_cast<XcbWindow*>(window->GetPlatformWindow())->getHandle();
+        const auto w = window->GetWidth();
+        const auto h = window->GetHeight();
+        xcb_create_pixmap(connection, screen->root_depth, mPixmap, hwnd, w, h);
+    }
 
+    void update(mt::Window* window, xcb_screen_t* screen, xcb_connection_t* connection, xcb_gcontext_t gc)
+    {
+        if (!mXImage)
+        {
+            auto backing_image = window->getBackingImage();
+
+            const auto w = window->GetWidth();
+            const auto h = window->GetHeight();
+
+            //auto data = const_cast<unsigned char*>(backing_image->getDataPtr());
+            auto data = backing_image->getData();
+            unsigned char* converted = &data[0];
+            mXImage = xcb_image_create_native(connection, w, h, XCB_IMAGE_FORMAT_Z_PIXMAP, screen->root_depth, converted, w*h*4, converted);
+
+            xcb_image_put(connection, mPixmap, gc, mXImage, 0, 0, 0);
+            //xcb_image_destroy(mXImage);
+        }
+    }
+
+    xcb_pixmap_t getPixMap() const
+    {
+        return mPixmap;
+    }
+
+private:
+    xcb_pixmap_t mPixmap{0};
+    xcb_image_t* mXImage{nullptr};
 };