it is done

core/src/mindustry/ui/GridImage.java

@@ -0,0 +1,38 @@
+package mindustry.ui;
+
+import arc.graphics.g2d.Fill;
+import arc.scene.Element;
+
+public class GridImage extends Element{
+    private int imageWidth, imageHeight;
+
+    public GridImage(int w, int h){
+        this.imageWidth = w;
+        this.imageHeight = h;
+    }
+
+    @Override
+    public void draw(){
+        float xspace = (getWidth() / imageWidth);
+        float yspace = (getHeight() / imageHeight);
+        float s = 1f;
+
+        int minspace = 10;
+
+        int jumpx = (int)(Math.max(minspace, xspace) / xspace);
+        int jumpy = (int)(Math.max(minspace, yspace) / yspace);
+
+        for(int x = 0; x <= imageWidth; x += jumpx){
+            Fill.crect((int)(getX() + xspace * x - s), getY() - s, 2, getHeight() + (x == imageWidth ? 1 : 0));
+        }
+
+        for(int y = 0; y <= imageHeight; y += jumpy){
+            Fill.crect(getX() - s, (int)(getY() + y * yspace - s), getWidth(), 2);
+        }
+    }
+
+    public void setImageSize(int w, int h){
+        this.imageWidth = w;
+        this.imageHeight = h;
+    }
+}