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refactor a bunch of stuff into a CropTool

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This commit is contained in:
Colin McMillen 2023-08-03 18:14:19 -04:00
parent 6d07a533d7
commit 7db0ec7e62
1 changed files with 141 additions and 92 deletions
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233
Program.cs
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@ -52,6 +52,129 @@ public class CameraInfo {
public static readonly CameraInfo IPHONE_12_MINI = new(new Vector2i(4032, 3024));
}
public interface ITool {
void SetActivePhoto(Photo photo);
void HandleInput(UiGeometry geometry, KeyboardState input, MouseState mouse, Game game);
string Status();
void Draw(UiGeometry geometry, Game game);
}
public class ViewTool : ITool {
Photo? activePhoto;
public void SetActivePhoto(Photo photo) {
activePhoto = photo;
}
public void HandleInput(UiGeometry geometry, KeyboardState input, MouseState mouse, Game game) {
}
public string Status() {
return "";
}
public void Draw(UiGeometry geometry, Game game) {
}
}
// FIXME: remove unneeded dependencies on "Game" or at least refactor them a bit.
public class CropTool : ITool {
Photo? activePhoto;
Vector2i mouseDragStart;
Vector2i mouseDragEnd;
public void SetActivePhoto(Photo photo) {
activePhoto = photo;
}
public void HandleInput(UiGeometry geometry, KeyboardState input, MouseState mouse, Game game) {
Vector2i mousePosition = (Vector2i) mouse.Position;
if (mouse.IsButtonPressed(MouseButton.Button1)) {
if (geometry.PhotoBox.ContainsInclusive(mousePosition)) {
mouseDragStart = mousePosition;
}
}
if (mouse.IsButtonDown(MouseButton.Button1)) {
if (geometry.PhotoBox.ContainsInclusive(mousePosition)) {
// FIXME: really this should be clipped to the active photo's drawable area, not the whole photobox.
mouseDragEnd = mousePosition;
}
}
if (input.IsKeyPressed(Keys.Escape)) {
mouseDragStart = new(-1, -1);
mouseDragEnd = new(-1, -1);
}
// FIXME: crop should be a modal tool that starts with C and ends with Enter or Escape.
if (input.IsKeyPressed(Keys.Enter)) {
ApplyCrop(game);
}
}
// 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.
Vector2i start = mouseDragStart;
Vector2i end = mouseDragEnd;
end.Y = Math.Min(end.Y, start.Y + (end.X - start.X) * 4 / 6);
end.X = start.X + (end.Y - start.Y) * 6 / 4;
int left = Math.Min(start.X, end.X);
int right = Math.Max(start.X, end.X);
int top = Math.Min(start.Y, end.Y);
int bottom = Math.Max(start.Y, end.Y);
return (left, right, top, bottom);
}
void ApplyCrop(Game game) {
var (left, right, top, bottom) = GetCrop();
int area = (right - left) * (bottom - top);
if (area == 0) {
return;
}
Vector2i leftTop = game.ScreenToImage(left, top);
Vector2i rightBottom = game.ScreenToImage(right, bottom);
Rectangle crop = Rectangle.FromLTRB(leftTop.X, leftTop.Y, rightBottom.X, rightBottom.Y);
// FIXME: make sure this doesn't exceed image.Bounds.
// FIXME: once set, display it properly in the PhotoBox.
if (activePhoto != null) {
activePhoto.CropRectangle = crop;
}
Console.WriteLine(crop);
}
public void Draw(UiGeometry geometry, Game game) {
var (left, right, top, bottom) = GetCrop();
int area = (right - left) * (bottom - top);
if (area == 0) {
return;
}
Color4 shadeColor = new Color4(0, 0, 0, 0.75f);
game.DrawFilledBox(new Box2i(0, 0, left, geometry.PhotoBox.Max.Y), shadeColor);
game.DrawFilledBox(new Box2i(left, 0, geometry.PhotoBox.Max.X, top), shadeColor);
game.DrawFilledBox(new Box2i(left, bottom, geometry.PhotoBox.Max.X, geometry.PhotoBox.Max.Y), shadeColor);
game.DrawFilledBox(new Box2i(right, top, geometry.PhotoBox.Max.X, bottom), shadeColor);
game.DrawBox(new Box2i(left, top, right, bottom), 1, Color4.White);
game.DrawBox(new Box2i(left - 1, top - 1 , right + 1, bottom + 1), 1, Color4.Black);
game.DrawBox(new Box2i(left - 2, top - 2 , right + 2, bottom + 2), 1, Color4.White);
game.DrawHorizontalLine(left, Util.Lerp(top, bottom, 1.0 / 3), right, Color4.White);
game.DrawHorizontalLine(left, Util.Lerp(top, bottom, 2.0 / 3), right, Color4.White);
game.DrawVerticalLine(Util.Lerp(left, right, 1.0 / 3), top, bottom, Color4.White);
game.DrawVerticalLine(Util.Lerp(left, right, 2.0 / 3), top, bottom, Color4.White);
}
public string Status() {
return "crop";
}
}
// FIXME: switch to immediate mode??
// https://gamedev.stackexchange.com/questions/198805/opentk-immediate-mode-on-net-core-doesnt-work
// https://www.youtube.com/watch?v=Q23Kf9QEaO4
@ -662,11 +785,10 @@ public class Game : GameWindow {
HashSet<Photo> loadedImages = new();
HashSet<Photo> loadingImages = new();
readonly object loadedImagesLock = new();
ITool activeTool = new CropTool();
int photoIndex = 0;
int ribbonIndex = 0;
Vector2i mousePosition;
Vector2i mouseDragStart;
Vector2i mouseDragEnd;
float activeScale = 1f;
Vector2i activeOffset;
Shader shader = new();
@ -710,22 +832,6 @@ public class Game : GameWindow {
photoIndex = ribbonIndex + i;
}
}
if (geometry.PhotoBox.ContainsInclusive(mousePosition)) {
mouseDragStart = mousePosition;
}
}
if (MouseState.IsButtonDown(MouseButton.Button1)) {
if (geometry.PhotoBox.ContainsInclusive(mousePosition)) {
// FIXME: really this should be clipped to the active photo's drawable area, not the whole photobox.
mouseDragEnd = mousePosition;
}
}
if (input.IsKeyPressed(Keys.Escape)) {
mouseDragStart = new(-1, -1);
mouseDragEnd = new(-1, -1);
}
if (MouseState.IsButtonPressed(MouseButton.Button4)) {
@ -767,11 +873,6 @@ public class Game : GameWindow {
photoIndex -= 5;
}
// FIXME: crop should be a modal tool that starts with C and ends with Enter or Escape.
if (input.IsKeyPressed(Keys.C)) {
ApplyCrop();
}
if (input.IsKeyPressed(Keys.P) && altIsDown) {
ExportPhotos();
}
@ -784,8 +885,7 @@ public class Game : GameWindow {
}
if (photoIndex != lastPhotoIndex) {
mouseDragStart = new(-1, -1);
mouseDragEnd = new(-1, -1);
// FIXME!!!: do something to reset tool state here
}
// Handle presses of the "rating" keys -- 0-5 and `.
@ -850,6 +950,9 @@ public class Game : GameWindow {
if (input.IsKeyPressed(Keys.Y)) {
zoomLevel = 16f;
}
activeTool.SetActivePhoto(photos[photoIndex]);
activeTool.HandleInput(geometry, KeyboardState, MouseState, this);
}
void FilterByRating(int rating) {
@ -910,9 +1013,9 @@ public class Game : GameWindow {
// Load photos from a directory.
// string[] files = Directory.GetFiles(@"c:\users\colin\desktop\photos-test\");
string[] files = Directory.GetFiles(@"c:\users\colin\pictures\photos\2023\07\14\");
// string[] files = Directory.GetFiles(@"c:\users\colin\pictures\photos\2023\07\14\");
// string[] files = Directory.GetFiles(@"c:\users\colin\pictures\photos\2023\07\23\");
// string[] files = Directory.GetFiles(@"G:\DCIM\100EOSR6\");
string[] files = Directory.GetFiles(@"G:\DCIM\100EOSR6\");
// string[] files = Directory.GetFiles(@"c:\users\colin\desktop\totte-output\2023\07\31");
// string[] files = Directory.GetFiles(@"C:\Users\colin\Pictures\photos\2018\06\23");
// string[] files = Directory.GetFiles(@"C:\Users\colin\Desktop\Germany all\104D7000");
@ -1022,65 +1125,11 @@ public class Game : GameWindow {
DrawText("No photos found.", 10, 10);
}
DrawCropBox();
activeTool.Draw(geometry, this);
SwapBuffers();
}
// 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.
Vector2i start = mouseDragStart;
Vector2i end = mouseDragEnd;
end.Y = Math.Min(end.Y, start.Y + (end.X - start.X) * 4 / 6);
end.X = start.X + (end.Y - start.Y) * 6 / 4;
int left = Math.Min(start.X, end.X);
int right = Math.Max(start.X, end.X);
int top = Math.Min(start.Y, end.Y);
int bottom = Math.Max(start.Y, end.Y);
return (left, right, top, bottom);
}
void ApplyCrop() {
var (left, right, top, bottom) = GetCrop();
int area = (right - left) * (bottom - top);
if (area == 0) {
return;
}
Vector2i leftTop = ScreenToImage(left, top);
Vector2i rightBottom = ScreenToImage(right, bottom);
Rectangle crop = Rectangle.FromLTRB(leftTop.X, leftTop.Y, rightBottom.X, rightBottom.Y);
Photo photo = photos[photoIndex];
// FIXME: make sure this doesn't exceed image.Bounds.
// FIXME: once set, display it properly in the PhotoBox.
photo.CropRectangle = crop;
Console.WriteLine(crop);
}
void DrawCropBox() {
var (left, right, top, bottom) = GetCrop();
int area = (right - left) * (bottom - top);
if (area == 0) {
return;
}
Color4 shadeColor = new Color4(0, 0, 0, 0.75f);
DrawFilledBox(new Box2i(0, 0, left, geometry.PhotoBox.Max.Y), shadeColor);
DrawFilledBox(new Box2i(left, 0, geometry.PhotoBox.Max.X, top), shadeColor);
DrawFilledBox(new Box2i(left, bottom, geometry.PhotoBox.Max.X, geometry.PhotoBox.Max.Y), shadeColor);
DrawFilledBox(new Box2i(right, top, geometry.PhotoBox.Max.X, bottom), shadeColor);
DrawBox(new Box2i(left, top, right, bottom), 1, Color4.White);
DrawBox(new Box2i(left - 1, top - 1 , right + 1, bottom + 1), 1, Color4.Black);
DrawBox(new Box2i(left - 2, top - 2 , right + 2, bottom + 2), 1, Color4.White);
DrawHorizontalLine(left, Util.Lerp(top, bottom, 1.0 / 3), right, Color4.White);
DrawHorizontalLine(left, Util.Lerp(top, bottom, 2.0 / 3), right, Color4.White);
DrawVerticalLine(Util.Lerp(left, right, 1.0 / 3), top, bottom, Color4.White);
DrawVerticalLine(Util.Lerp(left, right, 2.0 / 3), top, bottom, Color4.White);
}
void DrawPhotos() {
Photo activePhoto = photos[photoIndex];
Texture active = activePhoto.Texture();
@ -1142,25 +1191,25 @@ public class Game : GameWindow {
DrawText($"({imagePosition.X}, {imagePosition.Y})", geometry.StatusBox.Min.X + 320, y);
}
Vector2i ScreenToImage(int x, int y) {
public Vector2i ScreenToImage(int x, int y) {
return new(
(int) ((x - activeOffset.X) / activeScale),
(int) ((y - activeOffset.Y) / activeScale));
}
Vector2i ScreenToImage(Vector2i position) {
public Vector2i ScreenToImage(Vector2i position) {
return ScreenToImage(position.X, position.Y);
}
void DrawTexture(Texture texture, int x, int y) {
public void DrawTexture(Texture texture, int x, int y) {
DrawTexture(texture, Util.MakeBox(x, y, texture.Size.X, texture.Size.Y));
}
void DrawTexture(Texture texture, Box2i box) {
public void DrawTexture(Texture texture, Box2i box) {
DrawTexture(texture, box, Color4.White);
}
void DrawTexture(Texture texture, Box2i box, Color4 color) {
public void DrawTexture(Texture texture, Box2i box, Color4 color) {
GL.Uniform4(shader.GetUniformLocation("color"), color);
SetVertices(box.Min.X, box.Min.Y, box.Size.X, box.Size.Y);
GL.BufferData(BufferTarget.ArrayBuffer, vertices.Length * sizeof(float), vertices, BufferUsageHint.DynamicDraw);
@ -1168,26 +1217,26 @@ public class Game : GameWindow {
GL.DrawElements(PrimitiveType.Triangles, indices.Length, DrawElementsType.UnsignedInt, 0);
}
void DrawHorizontalLine(int left, int top, int right, Color4 color) {
public void DrawHorizontalLine(int left, int top, int right, Color4 color) {
DrawTexture(TEXTURE_WHITE, Util.MakeBox(left, top, right - left, 1), color);
}
void DrawVerticalLine(int left, int top, int bottom, Color4 color) {
public void DrawVerticalLine(int left, int top, int bottom, Color4 color) {
DrawTexture(TEXTURE_WHITE, Util.MakeBox(left, top, 1, bottom - top), color);
}
void DrawBox(Box2i box, int thickness, Color4 color) {
public void DrawBox(Box2i box, int thickness, Color4 color) {
DrawTexture(TEXTURE_WHITE, Util.MakeBox(box.Min.X, box.Min.Y, box.Size.X, thickness), color);
DrawTexture(TEXTURE_WHITE, Util.MakeBox(box.Min.X, box.Min.Y, thickness, box.Size.Y), color);
DrawTexture(TEXTURE_WHITE, Util.MakeBox(box.Min.X, box.Max.Y - thickness, box.Size.X, thickness), color);
DrawTexture(TEXTURE_WHITE, Util.MakeBox(box.Max.X - thickness, box.Min.Y, thickness, box.Size.Y), color);
}
void DrawFilledBox(Box2i box, Color4 color) {
public void DrawFilledBox(Box2i box, Color4 color) {
DrawTexture(TEXTURE_WHITE, Util.MakeBox(box.Min.X, box.Min.Y, box.Size.X, box.Size.Y), color);
}
void DrawText(string text, int x, int y) {
public void DrawText(string text, int x, int y) {
Texture label = Util.RenderText(text);
DrawTexture(label, x, y);
label.Dispose();