add new Photo class

Program.cs

@@ -138,6 +138,15 @@ void main() {
 
 }
 
+public class Photo {
+  public Texture Texture;
+
+  public Photo(string filename) {
+    Image<Rgba32> image = Image.Load<Rgba32>(filename);
+    Texture = new Texture(image);
+  }
+}
+
 public class Texture : IDisposable {
   public int Handle;
   public Vector2i Size;
@@ -247,8 +256,8 @@ public class Game : GameWindow {
   int VertexBufferObject;
   int ElementBufferObject;
   int VertexArrayObject;
-  List<Texture> textures = new();
-  int textureIndex = 0;
+  List<Photo> photos = new();
+  int textureIndex = 0; // FIXME: rename to photoIndex
   Shader shader = new();
   Matrix4 projection;
 
@@ -268,7 +277,7 @@ public class Game : GameWindow {
       for (int i = 0; i < geometry.ThumbnailBoxes.Count; i++) {
         Box2i box = geometry.ThumbnailBoxes[i];
         if (box.ContainsInclusive((Vector2i) MouseState.Position)) {
-          if (0 <= i && i < textures.Count) {
+          if (0 <= i && i < photos.Count) {
             textureIndex = i;
           }
         }
@@ -287,7 +296,7 @@ public class Game : GameWindow {
 
     // FIXME: make a proper Model class for tracking the state of the controls?
     if (input.IsKeyPressed(Keys.Down) || now > downTimer) {
-      if (textureIndex < textures.Count - 1) {
+      if (textureIndex < photos.Count - 1) {
         downTimer = now + 10000 * 200;
         textureIndex++;
       }
@@ -338,9 +347,8 @@ public class Game : GameWindow {
     string[] files = Directory.GetFiles(@"c:\users\colin\pictures\photos\2023\07\14\");
     foreach (string file in files) {
       if (file.ToLower().EndsWith(".jpg")) {
-        Image<Rgba32> image = Image.Load<Rgba32>(file);
-        textures.Add(new Texture(image));
-        if (textures.Count > 10) {
+        photos.Add(new Photo(file));
+        if (photos.Count > 10) {
           break;
         }
       }
@@ -357,7 +365,7 @@ public class Game : GameWindow {
     GL.BindBuffer(BufferTarget.ArrayBuffer, VertexBufferObject);
     GL.ActiveTexture(TextureUnit.Texture0);
 
-    Texture active = textures[textureIndex];
+    Texture active = photos[textureIndex].Texture;
 
     // FIXME: make a function for scaling & centering one box on another.
     float scaleX = 1f * geometry.PhotoBox.Size.X / active.Size.X;
@@ -368,9 +376,9 @@ public class Game : GameWindow {
     Vector2i center = (Vector2i) geometry.PhotoBox.Center;
     Box2i photoBox = Util.makeBox(center.X - renderSize.X / 2, center.Y - renderSize.Y / 2, renderSize.X, renderSize.Y);
     DrawTexture(active, photoBox); 
-    for (int i = 0; i < textures.Count; i++) {
+    for (int i = 0; i < photos.Count; i++) {
       Box2i box = geometry.ThumbnailBoxes[i];
-      DrawTexture(textures[i], box);
+      DrawTexture(photos[i].Texture, box);
       if (i == textureIndex) {
         DrawBox(box, 5, Color4.Black);
         DrawBox(box, 3, Color4.White);