private event ColorChanged DrawingBackColorChanged; //Инициируется при смена фона замкнутых фигур
#endregion
#region CTOR
public frmMain()
{
InitializeComponent();
//Добавление и инициализация холста
this._myCanvas = new MyCanvas(Program.DEFAULT_DRAWING_WIDTH, Program.DEFAULT_DRAWING_HEIGHT);
this.InitCanvas();
this._drawingHelper = new DrawingHelper();
//Свяжем кнопки с перечисленим инструментов
this.tsbtnPen.Tag = DrawingTools.PEN;
this.tsbtnLine.Tag = DrawingTools.LINE;
this.tsbtnRectange.Tag = DrawingTools.RECTANGLE;
this.tsbtnEllipse.Tag = DrawingTools.ELLIPSE;
//Установим начальные цвета элементов управления выбора цвета
this.tsbtnForeColor.BackColor = this._foreColor;
this.tsbtnBackColor.BackColor = this._backColor;
//Текущий инструмент по-умолчанию
this.tsbtnPen.Checked = true;
this._activeToolButton = this.tsbtnPen;
}
/// <summary>
/// Заменят текущий холст
/// </summary>
/// <param name="canvas">Холст на который надо заменить текущий</param>
private void ReplaceCanvas(MyCanvas canvas)
{
this.RemoveCanvas();
this._myCanvas = canvas;
this.InitCanvas();
this._isDitry = false;
}
} //Имя файла с которым идёт работа
#endregion
#region METHODS
public MyCanvas CreateDrawing()
{
MyCanvas result = null;
frmNewDrawing newDrawingDiaog = new frmNewDrawing();
if (newDrawingDiaog.ShowDialog() != DialogResult.OK)
{
return(null);
}
result = new MyCanvas(newDrawingDiaog.DrawingWidth, newDrawingDiaog.DrawingHeight);
this.FileName = null;
return(result);
}
/// <summary>
/// Удалить холст из формы редактора, отписавшись от событий
/// </summary>
private void RemoveCanvas()
{
//Отписываемся от событий
this.DrawingToolChanged -= this._myCanvas.OnToolChanged;
this.DrawingForeColorChanged -= this._myCanvas.OnForeColorChanged;
this.DrawingBackColorChanged -= this._myCanvas.OnBackColorChanged;
this._myCanvas.DrawingChanged -= this.OnDrawingChanged;
this._myCanvas.MousePositionCoordChanged -= this.OnMousePositionChanged;
this._myCanvas.InverseProressChanged -= this.OnInverseProgressChanged;
this._myCanvas.BeginInverse -= this.OnBeginInverse;
this._myCanvas.EndInverse -= this.OnEndInverse;
this.pnBase.Controls.Clear();
this._myCanvas = null;
}
private void openControl_Click(object sender, EventArgs e)
{
if (this.AskUserOfLosingChanges() == true)
{
return;
}
try
{
MyCanvas canvas = this._drawingHelper.OpenDrawing();
if (canvas == null)
{
return;
}
this.ReplaceCanvas(canvas);
}
catch (Exception ex)
{
Debug.WriteLine("Error opening file\n{0}", ex.Message);
MessageBox.Show("Can't open file", Program.APP_NAME, MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}
public bool SaveDrawing(MyCanvas canvas, bool isSaveAs)
{
if (isSaveAs == true || this.FileName == null)
{
using (SaveFileDialog saveDialog = new SaveFileDialog()
{
AddExtension = true, DefaultExt = ".bmp", InitialDirectory = Application.StartupPath, Filter = this._saveFilter
})
{
if (saveDialog.ShowDialog() != DialogResult.OK)
{
return(false);
}
this.FileName = saveDialog.FileName;
}
}
using (Bitmap currentDrawing = canvas.Drawing)
{
string extention = Path.GetExtension(this.FileName);
currentDrawing.Save(this.FileName, this._extentionFormat[extention]);
return(true);
}
}
public MyCanvas OpenDrawing()
{
MyCanvas result;
string tmpFileName;
using (OpenFileDialog openDialog = new OpenFileDialog()
{
InitialDirectory = Application.StartupPath, Filter = this._openFilter
})
{
if (openDialog.ShowDialog() != DialogResult.OK)
{
return(null);
}
tmpFileName = openDialog.FileName;
}
using (Image openedImage = Image.FromFile(tmpFileName))
{
result = new MyCanvas(openedImage);
}
this.FileName = tmpFileName;
return(result);
}