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@ -50,7 +50,7 @@ public class CameraInfo {
}
public enum ToolState {
public enum ToolStatus {
Active,
Done,
Canceled
@ -58,15 +58,15 @@ public enum ToolState {
public interface ITool {
ToolState HandleInput(UiGeometry geometry, KeyboardState input, MouseState mouse, Game game);
ToolStatus HandleInput(KeyboardState input, MouseState mouse, Game game);
string Status();
void Draw(UiGeometry geometry, Game game);
}
public class ViewTool : ITool {
public ToolState HandleInput(UiGeometry geometry, KeyboardState input, MouseState mouse, Game game) {
return ToolState.Active;
public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Game game) {
return ToolStatus.Active;
}
public string Status() {
@ -81,59 +81,82 @@ public class ViewTool : ITool {
// FIXME: remove unneeded dependencies on "Game" or at least refactor them a bit.
public class CropTool : ITool {
Photo activePhoto;
Photo photo;
Vector2i mouseDragStart;
Vector2i mouseDragEnd;
bool dragging;
string status = "";
public CropTool(Photo photo) {
activePhoto = photo;
this.photo = photo;
mouseDragStart = new(photo.CropRectangle.Left, photo.CropRectangle.Top);
mouseDragEnd = new(photo.CropRectangle.Right, photo.CropRectangle.Bottom);
}
public ToolState HandleInput(UiGeometry geometry, KeyboardState input, MouseState mouse, Game game) {
public ToolStatus HandleInput(KeyboardState input, MouseState mouse, Game game) {
Vector2i mousePosition = (Vector2i) mouse.Position;
Vector2i imagePosition = game.ScreenToImage(mousePosition);
if (mouse.IsButtonPressed(MouseButton.Button1)) {
if (geometry.PhotoBox.ContainsInclusive(mousePosition)) {
mouseDragStart = imagePosition;
}
dragging = photo.CropRectangle.Contains(imagePosition.X, imagePosition.Y);
}
if (mouse.IsButtonDown(MouseButton.Button1)) {
if (geometry.PhotoBox.ContainsInclusive(mousePosition)) {
mouseDragEnd = imagePosition;
if (!dragging) {
if (mouse.IsButtonPressed(MouseButton.Button1)) {
mouseDragStart = imagePosition;
}
if (mouse.IsButtonDown(MouseButton.Button1)) {
mouseDragEnd = imagePosition;
}
var (left, right, top, bottom) = GetCrop();
Vector2i size = new(right - left, bottom - top);
status = $"({left}, {top}) {size.X}x{size.Y}";
Rectangle crop = Rectangle.Empty;
if (size.X > 0 && size.Y > 0) {
crop = Rectangle.FromLTRB(left, top, right, bottom);
if (left != right && top != bottom) {
photo.CropRectangle = Rectangle.FromLTRB(left, top, right, bottom);
} else {
photo.CropRectangle = Rectangle.Empty;
}
activePhoto.CropRectangle = crop;
} else {
if (mouse.IsButtonDown(MouseButton.Button1)) {
Vector2 delta = mouse.Delta;
Vector2i imageDelta = game.ScreenToImageDelta((int) delta.X, (int) delta.Y);
photo.CropRectangle.Offset(imageDelta.X, imageDelta.Y);
if (photo.CropRectangle.Left < 0) {
photo.CropRectangle.Offset(-photo.CropRectangle.Left, 0);
}
if (photo.CropRectangle.Right > photo.Size.X) {
int overshoot = photo.CropRectangle.Right - photo.Size.X;
photo.CropRectangle.Offset(-overshoot, 0);
}
if (photo.CropRectangle.Top < 0) {
photo.CropRectangle.Offset(0, -photo.CropRectangle.Top);
}
if (photo.CropRectangle.Bottom > photo.Size.Y) {
int overshoot = photo.CropRectangle.Bottom - photo.Size.Y;
photo.CropRectangle.Offset(0, -overshoot);
}
}
}
Rectangle r = photo.CropRectangle;
status = $"({r.Left}, {r.Top}, {r.Right}, {r.Bottom}) {r.Width}x{r.Height}";
if (input.IsKeyPressed(Keys.Enter)) {
return ToolState.Done;
return ToolStatus.Done;
}
if (input.IsKeyPressed(Keys.Escape)) {
activePhoto.CropRectangle = Rectangle.Empty;
return ToolState.Canceled;
photo.CropRectangle = Rectangle.Empty;
return ToolStatus.Canceled;
}
return ToolState.Active;
return ToolStatus.Active;
}
// left, right, top, bottom
(int, int, int, int) GetCrop() {
// FIXME: this expects the start point in the top left and the end point
// in the bottom right; some sign flipping needs to occur to make anchors
// in other direction work well.
// in other directions work well.
Vector2i start = mouseDragStart;
Vector2i end = mouseDragEnd;
// FIXME: choose the aspect ratio based on the original image aspect ratio.
@ -551,10 +574,10 @@ public class Game : GameWindow {
}
// Delegate input to the active tool.
ToolState state = activeTool.HandleInput(geometry, KeyboardState, MouseState, this);
ToolStatus status = activeTool.HandleInput(KeyboardState, MouseState, this);
// Change back to the default tool if the active tool is done.
if (state != ToolState.Active) {
if (status != ToolStatus.Active) {
activeTool = viewTool;
}
}
@ -823,10 +846,14 @@ public class Game : GameWindow {
}
}
public Vector2i ScreenToImageDelta(int x, int y) {
return new((int) (x / activeScale), (int) (y / activeScale));
}
public Vector2i ScreenToImage(int x, int y) {
int rx = (int) ((x - activeOffset.X) / activeScale);
rx = Math.Clamp(rx, 0, photos[photoIndex].Size.X);
int ry = (int) ((y - activeOffset.Y) / activeScale);
rx = Math.Clamp(rx, 0, photos[photoIndex].Size.X);
ry = Math.Clamp(ry, 0, photos[photoIndex].Size.Y);
return new(rx, ry);
}