void RedoChange(CellChange change)
{
SetCharacter(change.X, change.Y, change.NewCharacter);
SetBackgroundColor(change.X, change.Y, change.NewBackgroundColor);
SetCharacterColor(change.X, change.Y, change.NewCharacterColor);
SetCellOpacity(change.X, change.Y, change.NewOpacity);
SetSpecialInfo(change.X, change.Y, change.NewSpecialInfo);
}
void UndoChange(CellChange change)
{
SetCharacter(change.X, change.Y, change.OldCharacter);
SetBackgroundColor(change.X, change.Y, change.OldBackgroundColor);
SetCharacterColor(change.X, change.Y, change.OldCharacterColor);
SetCellOpacity(change.X, change.Y, change.OldOpacity);
SetSpecialInfo(change.X, change.Y, change.OldSpecialInfo);
}
public void BlitString(List<CellChange> changes, string text, Color color, int x, int y)
{
for (int i = 0; i < text.Length; ++i)
{
if (x + i < width && y < height)
{
CellChange change = new CellChange();
change.X = x + i;
change.Y = y;
int c = x + i;
int r = y;
change.OldCharacter = GetCharacter(c, r);
change.OldBackgroundColor = GetBackgroundColor(c, r);
change.OldCharacterColor = GetCharacterColor(c, r);
change.OldOpacity = IsCellOpaque(c, r);
change.OldSpecialInfo = GetSpecialInfo(c, r);
change.NewCharacter = text[i];
change.NewBackgroundColor = change.OldBackgroundColor;
change.NewCharacterColor = color;
change.NewOpacity = change.OldOpacity;
change.NewSpecialInfo = change.OldSpecialInfo;
changes.Add(change);
SetCharacter(x + i, y, text[i]);
SetCharacterColor(x + i, y, color);
}
}
}
private void SurfacePanel_MouseDown(object sender, MouseEventArgs e)
{
HandleDrag(0, 0);
//handle one-time click inputs
if (e.Button == MouseButtons.Left)
{
if (surface != null && surface.IsInBounds(SelectedCell))
{
//handle input for all valid selected cells
int c = SelectedCell.X;
int r = SelectedCell.Y;
List<CellChange> changes = new List<CellChange>();
//a cell was clicked on. Handle the appropriate behavior for the selected mode.
switch (Mode)
{
case InputMode.ToggleOpacity:
for (int i = 0; i < selectionSize.X; ++i)
{
for (int j = 0; j < selectionSize.Y; ++j)
{
int x = c + i;
int y = r + j;
CellChange change = new CellChange();
change.X = x;
change.Y = y;
change.OldCharacter = surface.GetCharacter(c, r);
change.OldBackgroundColor = surface.GetBackgroundColor(c, r);
change.OldCharacterColor = surface.GetCharacterColor(c, r);
change.OldOpacity = surface.IsCellOpaque(c, r);
change.OldSpecialInfo = surface.GetSpecialInfo(c, r);
change.NewCharacter = change.OldCharacter;
change.NewBackgroundColor = change.OldBackgroundColor;
change.NewCharacterColor = change.OldCharacterColor;
change.NewOpacity = change.OldOpacity;
change.NewSpecialInfo = change.OldSpecialInfo;
if (c + i < surface.Width && r + j < surface.Height)
{
change.NewOpacity = !surface.IsCellOpaque(x, y);
surface.SetCellOpacity(c + i, r + j, !surface.IsCellOpaque(c + i, r + j));
}
changes.Add(change);
}
}
break;
case InputMode.SmallText:
ShortTextForm form = new ShortTextForm();
DialogResult result = form.ShowDialog(this);
if (result == DialogResult.OK)
{
surface.BlitString(changes, form.ChosenText, (Parent as EditorForm).BrushControl.CharacterColor, c, r);
Refresh();
}
break;
case InputMode.LongText:
LongTextForm longTextForm = new LongTextForm();
DialogResult longResult = longTextForm.ShowDialog(this);
if (longResult == DialogResult.OK)
{
surface.BlitStringMultiline(changes, longTextForm.ChosenText, (Parent as EditorForm).BrushControl.CharacterColor,
c, r, selectionSize.X, selectionSize.Y);
Refresh();
}
break;
case InputMode.FillCells:
EditorForm parent = (Parent as EditorForm);
BrushControl brushControl = parent.BrushControl;
if (brushControl.PaintCharacter)
{
FloodFillChar(changes, c, r, brushControl.Character);
}
if (brushControl.PaintBackgroundColor)
{
FloodFillBack(changes, c, r, brushControl.BackgroundColor);
}
if (brushControl.PaintCharacterColor)
{
FloodFillFore(changes, c, r, brushControl.CharacterColor);
}
Refresh();
break;
case InputMode.EyeDropper:
parent = (Parent as EditorForm);
brushControl = parent.BrushControl;
if (brushControl.PaintCharacter)
{
brushControl.Character = surface.GetCharacter(c, r);
}
if (brushControl.PaintBackgroundColor)
{
brushControl.BackgroundColor = surface.GetBackgroundColor(c, r);
}
if (brushControl.PaintCharacterColor)
{
brushControl.CharacterColor = surface.GetCharacterColor(c, r);
}
break;
case InputMode.Shapes:
firstCorner = selectedCell;
break;
}
AddAction(changes);
}
}
RefreshRect(new Rectangle(selectedCell.X, selectedCell.Y, selectionSize.X, selectionSize.Y));
DrawCursor(new Point(selectedCell.X, selectedCell.Y));
}
private void HandleDrag(int dx, int dy)
{
//handle dragging click inputs
if (Control.MouseButtons.HasFlag(MouseButtons.Left))
{
if (surface != null && surface.IsInBounds(SelectedCell))
{
RefreshRect(new Rectangle(selectedCell.X - dx, selectedCell.Y - dy, selectionSize.X, selectionSize.Y));
List<CellChange> changes = new List<CellChange>();
//handle input for all valid selected cells
for (int c = SelectedCell.X, i = 0; c < surface.Width && i < SelectionSize.X; ++c, ++i)
{
for (int r = SelectedCell.Y, j = 0; r < surface.Height && j < SelectionSize.Y; ++r, ++j)
{
if (c < 0) continue;
if (r < 0) continue;
bool valid = false;
if (dx > 0 && i < selectionSize.X - dx) valid = true;
if (dy > 0 && j < selectionSize.Y - dy) valid = true;
if (dx < 0 && selectionSize.X - i < -dx) valid = true;
if (dy < 0 && selectionSize.Y - j < -dy) valid = true;
if (dx == 0 || dy == 0) valid = true;
if (selectionSize == new Point(1, 1)) valid = true;
if (!valid) continue;
//a cell was clicked on. Handle the appropriate behavior for the selected mode.
bool changed = false;
CellChange change = new CellChange();
change.X = c;
change.Y = r;
change.OldCharacter = surface.GetCharacter(c, r);
change.OldBackgroundColor = surface.GetBackgroundColor(c, r);
change.OldCharacterColor = surface.GetCharacterColor(c, r);
change.OldOpacity = surface.IsCellOpaque(c, r);
change.OldSpecialInfo = surface.GetSpecialInfo(c, r);
change.NewCharacter = change.OldCharacter;
change.NewBackgroundColor = change.OldBackgroundColor;
change.NewCharacterColor = change.OldCharacterColor;
change.NewOpacity = change.OldOpacity;
change.NewSpecialInfo = change.OldSpecialInfo;
switch (Mode)
{
case InputMode.PaintBrush:
EditorForm parent = (Parent as EditorForm);
BrushControl brushControl = parent.BrushControl;
if (brushControl.PaintCharacter)
{
change.NewCharacter = brushControl.Character;
surface.SetCharacter(c, r, brushControl.Character);
changed = true;
}
if (brushControl.PaintBackgroundColor)
{
change.NewBackgroundColor = brushControl.BackgroundColor;
surface.SetBackgroundColor(c, r, brushControl.BackgroundColor);
changed = true;
}
if (brushControl.PaintCharacterColor)
{
change.NewCharacterColor = brushControl.CharacterColor;
surface.SetCharacterColor(c, r, brushControl.CharacterColor);
changed = true;
}
break;
case InputMode.SpecialInfo:
string label = (Parent as EditorForm).SpecialInfoControl.SelectedLabel;
if (label == "[Clear Info]")
{
label = "";
}
change.NewSpecialInfo = label;
surface.SetSpecialInfo(c, r, label);
changed = true;
break;
}
if (changed) changes.Add(change);
}
}
DrawCursor(new Point(selectedCell.X, selectedCell.Y));
AddAction(changes);
}
}
}
private void FloodFillFore(List<CellChange> changes, int x, int y, Color value)
{
Color prevValue = surface.GetCharacterColor(x, y);
if (prevValue.R == value.R && prevValue.G == value.G && prevValue.B == value.B)
return;
CellChange change = new CellChange();
change.X = x;
change.Y = y;
int c = x;
int r = y;
change.OldCharacter = surface.GetCharacter(c, r);
change.OldBackgroundColor = surface.GetBackgroundColor(c, r);
change.OldCharacterColor = surface.GetCharacterColor(c, r);
change.OldOpacity = surface.IsCellOpaque(c, r);
change.OldSpecialInfo = surface.GetSpecialInfo(c, r);
change.NewCharacter = change.OldCharacter;
change.NewBackgroundColor = change.OldBackgroundColor;
change.NewCharacterColor = value;
change.NewOpacity = change.OldOpacity;
change.NewSpecialInfo = change.OldSpecialInfo;
changes.Add(change);
surface.SetCharacterColor(x, y, value);
if (x > 0 && surface.GetCharacterColor(x - 1, y) == prevValue)
{
FloodFillFore(changes, x - 1, y, value);
}
if (y > 0 && surface.GetCharacterColor(x, y - 1) == prevValue)
{
FloodFillFore(changes, x, y - 1, value);
}
if (x < surface.Width - 1 && surface.GetCharacterColor(x + 1, y) == prevValue)
{
FloodFillFore(changes, x + 1, y, value);
}
if (y < surface.Height - 1 && surface.GetCharacterColor(x, y + 1) == prevValue)
{
FloodFillFore(changes, x, y + 1, value);
}
}
public void ClearTransparency()
{
//add cell changes to stack
List<CellChange> changes = new List<CellChange>();
for (int x = 0; x < surface.Width; ++x)
{
for (int y = 0; y < surface.Height; ++y)
{
CellChange change = new CellChange();
change.X = x;
change.Y = y;
change.OldCharacter = surface.GetCharacter(x, y);
change.OldBackgroundColor = surface.GetBackgroundColor(x, y);
change.OldCharacterColor = surface.GetCharacterColor(x, y);
change.OldOpacity = surface.IsCellOpaque(x, y);
change.OldSpecialInfo = surface.GetSpecialInfo(x, y);
change.NewCharacter = change.OldCharacter;
change.NewBackgroundColor = change.OldBackgroundColor;
change.NewCharacterColor = change.OldCharacterColor;
change.NewOpacity = true;
change.NewSpecialInfo = change.OldSpecialInfo;
changes.Add(change);
}
}
AddAction(changes);
surface.ClearTransparency();
}
