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add ViewOffset to Photo for display

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This commit is contained in:
Colin McMillen 2023-08-31 23:07:15 -04:00
parent 31e419b81b
commit e612429298
2 changed files with 20 additions and 6 deletions
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1
Photo.cs
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@ -102,6 +102,7 @@ public class Photo {
public ushort Orientation = 1;
public GpsInfo? Gps = null;
public Rectangle CropRectangle = Rectangle.Empty;
public Vector2i ViewOffset = Vector2i.Zero;
private static long touchCounter = 0;
private Texture texture;

25
Program.cs
View File

@ -87,14 +87,22 @@ public class Transform {
}
public interface ITool {
ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game);
ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game, Photo photo);
string Status();
void Draw(UiGeometry geometry, Game game);
}
public class ViewTool : ITool {
public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game) {
public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game, Photo photo) {
Vector2i mousePosition = (Vector2i) mouse.Position;
if (mouse.IsButtonDown(MouseButton.Button1)) {
Vector2 delta = mouse.Delta;
Vector2i imageDelta = transform.ScreenToImageDelta((int) delta.X, (int) delta.Y);
photo.ViewOffset = Vector2i.Add(photo.ViewOffset, imageDelta);
Console.WriteLine("+++ " + photo.ViewOffset);
}
return ToolStatus.Active;
}
@ -121,7 +129,7 @@ public class CropTool : ITool {
mouseDragEnd = new(photo.CropRectangle.Right, photo.CropRectangle.Bottom);
}
public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game) {
public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Transform transform, Game game, Photo photo) {
Vector2i mousePosition = (Vector2i) mouse.Position;
Vector2i imagePosition = transform.ScreenToImage(mousePosition);
@ -585,6 +593,7 @@ public class Game : GameWindow {
}
if (input.IsKeyPressed(Keys.Q)) {
photos[photoIndex].ViewOffset = Vector2i.Zero;
zoomLevel = 0f;
}
@ -620,7 +629,8 @@ public class Game : GameWindow {
}
// Delegate input to the active tool.
ToolStatus status = activeTool.HandleInput(KeyboardState, MouseState, transform, this);
ToolStatus status = activeTool.HandleInput(
KeyboardState, MouseState, transform, this, photos[photoIndex]);
// Change back to the default tool if the active tool is done.
if (status != ToolStatus.Active) {
@ -798,7 +808,7 @@ public class Game : GameWindow {
List<Task> tasks = new();
foreach (Photo p in allPhotos) {
tasks.Add(Task.Run( () => {
p.LoadThumbnailAsync(geometry.ThumbnailSize);
p.LoadThumbnailAsync(new Vector2i(256, 256));
lock (numThumbnailsLoadedLock) {
numThumbnailsLoaded++;
toast.Set($"[{numThumbnailsLoaded}/{allPhotos.Count}] Loading thumbnails");
@ -875,7 +885,10 @@ public class Game : GameWindow {
Vector2i renderSize = (Vector2i) (((Vector2) active.Size) * scale);
Vector2i center = (Vector2i) geometry.PhotoBox.Center;
Box2i photoBox = Util.MakeBox(center.X - renderSize.X / 2, center.Y - renderSize.Y / 2,
Vector2i offset = new((int) (activePhoto.ViewOffset.X * scale),
(int) (activePhoto.ViewOffset.Y * scale));
Box2i photoBox = Util.MakeBox(center.X - renderSize.X / 2 + offset.X,
center.Y - renderSize.Y / 2 + offset.Y,
renderSize.X, renderSize.Y);
activeOffset = new(photoBox.Min.X, photoBox.Min.Y);
transform = new Transform(activeScale, activeOffset, activePhoto.Size);