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- using System;
- using System.Collections.Generic;
- using System.Windows;
- using System.Linq;
- using System.Text;
- using System.Threading.Tasks;
- using System.Windows.Controls;
- using System.Windows.Media;
- using System.Windows.Media.Imaging;
- namespace SketchAssistantWPF
- {
- public class MVP_Model
- {
-
-
-
- MVP_Presenter programPresenter;
-
-
-
- ActionHistory historyOfActions;
-
-
-
-
-
-
-
-
-
-
- bool inDrawingMode;
-
-
-
- int deletionRadius = 5;
-
-
-
- Point currentCursorPosition;
-
-
-
- Point previousCursorPosition;
-
-
-
- Queue<Point> cursorPositions = new Queue<Point>();
-
-
-
- bool[,] isFilledMatrix;
-
-
-
- HashSet<int>[,] linesMatrix;
-
-
-
- public int leftImageBoxWidth;
-
-
-
- public int leftImageBoxHeight;
-
-
-
- public int rightImageBoxWidth;
-
-
-
- public int rightImageBoxHeight;
- public ImageDimension leftImageSize { get; private set; }
- public ImageDimension rightImageSize { get; private set; }
-
-
-
- public bool canvasActive {get; set;}
-
-
-
- public bool graphicLoaded { get; set; }
-
-
-
- private bool mouseDown;
- List<InternalLine> leftLineList;
-
- List<Tuple<bool, InternalLine>> rightLineList;
- List<Point> currentLine = new List<Point>();
- public MVP_Model(MVP_Presenter presenter)
- {
- programPresenter = presenter;
- historyOfActions = new ActionHistory();
-
-
- rightLineList = new List<Tuple<bool, InternalLine>>();
- canvasActive = false;
- UpdateUI();
- rightImageSize = new ImageDimension(0, 0);
- leftImageSize = new ImageDimension(0, 0);
- }
-
-
-
-
-
-
-
-
- private void ChangeLines(HashSet<int> lines, bool shown)
- {
- foreach (int lineId in lines)
- {
- if (lineId <= rightLineList.Count - 1 && lineId >= 0)
- {
- rightLineList[lineId] = new Tuple<bool, InternalLine>(shown, rightLineList[lineId].Item2);
- }
- }
- }
-
-
-
- private void RepopulateDeletionMatrixes()
- {
- if (canvasActive)
- {
- isFilledMatrix = new bool[rightImageSize.Width, rightImageSize.Height];
- linesMatrix = new HashSet<int>[rightImageSize.Width, rightImageSize.Height];
- foreach (Tuple<bool, InternalLine> lineTuple in rightLineList)
- {
- if (lineTuple.Item1)
- {
- lineTuple.Item2.PopulateMatrixes(isFilledMatrix, linesMatrix);
- }
- }
- }
- }
-
-
-
- private void UpdateUI()
- {
- programPresenter.UpdateUIState(inDrawingMode, historyOfActions.CanUndo(), historyOfActions.CanRedo(), canvasActive, graphicLoaded);
- }
-
-
-
-
-
-
-
- private HashSet<int> CheckDeletionMatrixesAroundPoint(Point p, int range)
- {
- HashSet<int> returnSet = new HashSet<int>();
- foreach (Point pnt in GeometryCalculator.FilledCircleAlgorithm(p, (int)range))
- {
- if (pnt.X >= 0 && pnt.Y >= 0 && pnt.X < rightImageSize.Width && pnt.Y < rightImageSize.Height)
- {
- if (isFilledMatrix[(int)pnt.X, (int)pnt.Y])
- {
- returnSet.UnionWith(linesMatrix[(int)pnt.X, (int)pnt.Y]);
- }
- }
- }
- return returnSet;
- }
-
-
-
-
-
-
-
-
- public void ResizeEvent(ImageDimension LeftCanvas, ImageDimension RightCanvas)
- {
- if(LeftCanvas.Height >= 0 && LeftCanvas.Width>= 0) { leftImageSize = LeftCanvas; }
- if(RightCanvas.Height >= 0 && RightCanvas.Width >= 0) { rightImageSize = RightCanvas; }
- RepopulateDeletionMatrixes();
- }
-
-
-
- public void ResetRightImage()
- {
- rightLineList.Clear();
- programPresenter.PassLastActionTaken(historyOfActions.Reset());
- programPresenter.ClearRightLines();
- }
-
-
-
-
-
-
- public void SetLeftLineList(int width, int height, List<InternalLine> listOfLines)
- {
- leftImageSize = new ImageDimension(width, height);
- rightImageSize = new ImageDimension(width, height);
- leftLineList = listOfLines;
- graphicLoaded = true;
- programPresenter.UpdateLeftLines(leftLineList);
- CanvasActivated();
- }
-
-
-
- public void CanvasActivated()
- {
- canvasActive = true;
- RepopulateDeletionMatrixes();
- UpdateUI();
- }
-
-
-
- public void Undo()
- {
- if (historyOfActions.CanUndo())
- {
- HashSet<int> affectedLines = historyOfActions.GetCurrentAction().GetLineIDs();
- SketchAction.ActionType undoAction = historyOfActions.GetCurrentAction().GetActionType();
- switch (undoAction)
- {
- case SketchAction.ActionType.Delete:
-
- ChangeLines(affectedLines, true);
- break;
- case SketchAction.ActionType.Draw:
-
- ChangeLines(affectedLines, false);
- break;
- default:
- break;
- }
- programPresenter.UpdateRightLines(rightLineList);
- }
- RepopulateDeletionMatrixes();
- programPresenter.PassLastActionTaken(historyOfActions.MoveAction(true));
- UpdateUI();
- }
-
-
-
- public void Redo()
- {
- if (historyOfActions.CanRedo())
- {
- programPresenter.PassLastActionTaken(historyOfActions.MoveAction(false));
- HashSet<int> affectedLines = historyOfActions.GetCurrentAction().GetLineIDs();
- SketchAction.ActionType redoAction = historyOfActions.GetCurrentAction().GetActionType();
- switch (redoAction)
- {
- case SketchAction.ActionType.Delete:
-
- ChangeLines(affectedLines, false);
- break;
- case SketchAction.ActionType.Draw:
-
- ChangeLines(affectedLines, true);
- break;
- default:
- break;
- }
-
- programPresenter.UpdateRightLines(rightLineList);
- RepopulateDeletionMatrixes();
- }
- UpdateUI();
- }
-
-
-
-
- public void ChangeState(bool nowDrawing)
- {
- inDrawingMode = nowDrawing;
- UpdateUI();
- }
-
-
-
-
-
- public void SetCurrentCursorPosition(Point p)
- {
- currentCursorPosition = p;
-
- programPresenter.MoveOptiPoint(currentCursorPosition);
- mouseDown = programPresenter.IsMousePressed();
- }
-
-
-
- public void MouseDown()
- {
- mouseDown = true;
- if (inDrawingMode && mouseDown)
- {
- currentLine.Clear();
- currentLine.Add(currentCursorPosition);
- }
- }
-
-
-
-
- public void MouseUp(bool valid)
- {
- mouseDown = false;
- if (valid)
- {
- if (inDrawingMode && currentLine.Count > 0)
- {
- InternalLine newLine = new InternalLine(currentLine, rightLineList.Count);
- rightLineList.Add(new Tuple<bool, InternalLine>(true, newLine));
- newLine.PopulateMatrixes(isFilledMatrix, linesMatrix);
- programPresenter.PassLastActionTaken(historyOfActions.AddNewAction(new SketchAction(SketchAction.ActionType.Draw, newLine.GetID())));
- programPresenter.UpdateRightLines(rightLineList);
- currentLine.Clear();
- }
- }
- else
- {
- currentLine.Clear();
- }
- UpdateUI();
- }
-
-
-
-
-
- public void MouseUp(List<Point> p)
- {
- mouseDown = false;
- if (inDrawingMode && currentLine.Count > 0)
- {
- InternalLine newLine = new InternalLine(p, rightLineList.Count);
- rightLineList.Add(new Tuple<bool, InternalLine>(true, newLine));
- newLine.PopulateMatrixes(isFilledMatrix, linesMatrix);
- programPresenter.PassLastActionTaken(historyOfActions.AddNewAction(new SketchAction(SketchAction.ActionType.Draw, newLine.GetID())));
- programPresenter.UpdateRightLines(rightLineList);
- currentLine.Clear();
- }
- UpdateUI();
- }
-
-
-
- public void Tick()
- {
- if (cursorPositions.Count > 0) { previousCursorPosition = cursorPositions.Dequeue(); }
- else { previousCursorPosition = currentCursorPosition; }
- cursorPositions.Enqueue(currentCursorPosition);
-
- if (inDrawingMode && programPresenter.IsMousePressed())
- {
- currentLine.Add(currentCursorPosition);
-
- }
-
- if (!inDrawingMode && programPresenter.IsMousePressed())
- {
- List<Point> uncheckedPoints = GeometryCalculator.BresenhamLineAlgorithm(previousCursorPosition, currentCursorPosition);
- foreach (Point currPoint in uncheckedPoints)
- {
- HashSet<int> linesToDelete = CheckDeletionMatrixesAroundPoint(currPoint, deletionRadius);
- if (linesToDelete.Count > 0)
- {
- programPresenter.PassLastActionTaken(historyOfActions.AddNewAction(new SketchAction(SketchAction.ActionType.Delete, linesToDelete)));
- foreach (int lineID in linesToDelete)
- {
- rightLineList[lineID] = new Tuple<bool, InternalLine>(false, rightLineList[lineID].Item2);
- }
- RepopulateDeletionMatrixes();
-
- programPresenter.UpdateRightLines(rightLineList);
- }
- }
- }
- }
-
-
-
-
- public bool HasUnsavedProgress()
- {
- return !historyOfActions.IsEmpty();
- }
- }
- }
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