png export button for tilesets

Tool/TilesForm.cs

@@ -18,38 +18,43 @@ public TilesForm(Map map)
             draw();
         }
 
-        private void draw()
+        private void draw(bool original = false)
         {
-            Bitmap bmp = new Bitmap(40 * 8 * currentZoom, 13 * 8 * currentZoom);
+            int zoom = original ? 1 : currentZoom;
+
+            Bitmap bmp = new Bitmap(40 * 8 * zoom, 13 * 8 * zoom);
             Graphics gfx = Graphics.FromImage(bmp);
             gfx.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.NearestNeighbor;
             gfx.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
 
             int i = 0;
             foreach(MapTile tile in map.Tiles)
             {
-                int x = (i % 40) * 8 * currentZoom;
-                int y = (int)Math.Floor((i / 40f)) * 8 * currentZoom;
-                gfx.DrawImage(tile.Bitmap, new Rectangle(x, y, 8 * currentZoom, 8 * currentZoom), new Rectangle(0, 0, 8, 8), GraphicsUnit.Pixel);
+                int x = (i % 40) * 8 * zoom;
+                int y = (int)Math.Floor((i / 40f)) * 8 * zoom;
+                gfx.DrawImage(tile.Bitmap, new Rectangle(x, y, 8 * zoom, 8 * zoom), new Rectangle(0, 0, 8, 8), GraphicsUnit.Pixel);
                 //gfx.DrawString(i.ToString(), SystemFonts.MenuFont, Brushes.White, x, y);
                 i++;
             }
 
-            Pen gridPen = new Pen(Color.FromArgb(50, 0, 0, 0));
+            if (!original)
+            {
+                Pen gridPen = new Pen(Color.FromArgb(50, 0, 0, 0));
 
-            int w = 40 * 8 * currentZoom;
-            int h = 13 * 8 * currentZoom;
+                int w = 40 * 8 * zoom;
+                int h = 13 * 8 * zoom;
 
-            for (int x = 0; x <= 40; x++)
-            {
-                int gx = x * 8 * currentZoom;
-                gfx.DrawLine(gridPen, gx, 0, gx, h);
-            }
+                for (int x = 0; x <= 40; x++)
+                {
+                    int gx = x * 8 * zoom;
+                    gfx.DrawLine(gridPen, gx, 0, gx, h);
+                }
 
-            for (int y = 0; y <= 13; y++)
-            {
-                int gy = y * 8 * currentZoom;
-                gfx.DrawLine(gridPen, 0, gy, w, gy);
+                for (int y = 0; y <= 13; y++)
+                {
+                    int gy = y * 8 * zoom;
+                    gfx.DrawLine(gridPen, 0, gy, w, gy);
+                }
             }
 
             //gfx.DrawRectangle(Pens.Black, new Rectangle(0, 0, bmp.Width, bmp.Height));
@@ -63,5 +68,20 @@ private void zoomDropDown_DropDownItemClicked(object sender, ToolStripItemClicke
             zoomDropDown.Text = e.ClickedItem.Text;
             draw();
         }
+
+        private void pngButton_Click(object sender, EventArgs e)
+        {
+            using (SaveFileDialog dialog = new SaveFileDialog())
+            {
+                dialog.Filter = "PNG Image (*.png)|.png";
+                dialog.FileName = map.Entry.Filename + ".png";
+                if (dialog.ShowDialog() == DialogResult.OK)
+                {
+                    draw(true);
+                    canvasBox.Image.Save(dialog.FileName);
+                    draw();
+                }
+            };
+        }
     }
 }