1 files changed, 146 insertions, 0 deletions
diff --git a/ShiftOS.Frontend/GUI/PictureBox.cs b/ShiftOS.Frontend/GUI/PictureBox.cs
new file mode 100644
index 0000000..2447416
--- /dev/null
+++ b/ShiftOS.Frontend/GUI/PictureBox.cs
@@ -0,0 +1,146 @@
+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ShiftOS.Engine;
+using System.Drawing.Imaging;
+
+namespace ShiftOS.Frontend.GUI
+{
+    public class PictureBox : Control
+    {
+        private System.Drawing.Image img = null;
+        private ImageLayout _layout = ImageLayout.Fit;
+
+        public ImageLayout ImageLayout
+        {
+            get
+            {
+                return _layout;
+            }
+            set
+            {
+                _layout = value;
+            }
+        }
+
+        public System.Drawing.Image Image
+        {
+            get
+            {
+                return img;
+            }
+            set
+            {
+                if (img != null)
+                    img.Dispose();
+                img = value;
+            }
+        }
+
+        protected override void OnLayout()
+        {
+            if (AutoSize)
+            {
+                Width = (img == null) ? 0 : img.Width;
+                Height = (img == null) ? 0 : img.Height;
+            }
+        }
+
+        public override void Paint(Graphics gfx)
+        {
+            if(img != null)
+                switch (_layout)
+                {
+                    case ImageLayout.None:
+                        //Just draw the image.
+                        gfx.DrawImage(img, new PointF(0, 0));
+                        break;
+                    case ImageLayout.Stretch:
+                        //Stretch the image, with no regard for aspect ratio.
+                        var stretched = ResizeImage(img, Width, Height);
+                        gfx.DrawImage(stretched, 0, 0);
+                        break;
+                    case ImageLayout.Fit:
+                        //Resize image to fit the control but keep aspect ratio.
+                        var fitted = FixedSize(img, Width, Height);
+                        gfx.DrawImage(fitted, 0, 0);
+                        break;
+                    case ImageLayout.Tile:
+                        //Keep original size but tile the image.
+
+                        for(int x = 0; x < Width; x += img.Width)
+                        {
+                            for (int y = 0; y < Height; y += img.Height)
+                            {
+                                gfx.DrawImage(img, x, y);
+                            }
+                        }
+
+                        break;
+                }
+        }
+
+        //Again, thanks StackOverflow
+        static Image FixedSize(Image imgPhoto, int Width, int Height)
+        {
+            int sourceWidth = imgPhoto.Width;
+            int sourceHeight = imgPhoto.Height;
+            int sourceX = 0;
+            int sourceY = 0;
+            int destX = 0;
+            int destY = 0;
+
+            float nPercent = 0;
+            float nPercentW = 0;
+            float nPercentH = 0;
+
+            nPercentW = ((float)Width / (float)sourceWidth);
+            nPercentH = ((float)Height / (float)sourceHeight);
+            if (nPercentH < nPercentW)
+            {
+                nPercent = nPercentH;
+                destX = System.Convert.ToInt16((Width -
+                              (sourceWidth * nPercent)) / 2);
+            }
+            else
+            {
+                nPercent = nPercentW;
+                destY = System.Convert.ToInt16((Height -
+                              (sourceHeight * nPercent)) / 2);
+            }
+
+            int destWidth = (int)(sourceWidth * nPercent);
+            int destHeight = (int)(sourceHeight * nPercent);
+
+            Bitmap bmPhoto = new Bitmap(Width, Height,
+                              PixelFormat.Format24bppRgb);
+            bmPhoto.SetResolution(imgPhoto.HorizontalResolution,
+                             imgPhoto.VerticalResolution);
+
+            Graphics grPhoto = Graphics.FromImage(bmPhoto);
+            grPhoto.Clear(SkinEngine.LoadedSkin.ControlColor);
+            grPhoto.InterpolationMode =
+                    InterpolationMode.HighQualityBicubic;
+
+            grPhoto.DrawImage(imgPhoto,
+                new Rectangle(destX, destY, destWidth, destHeight),
+                new Rectangle(sourceX, sourceY, sourceWidth, sourceHeight),
+                GraphicsUnit.Pixel);
+
+            grPhoto.Dispose();
+            return bmPhoto;
+        }
+    }
+
+    public enum ImageLayout
+    {
+        None,
+        Stretch,
+        Tile,
+        Fit,
+    }
+}