/// <summary>
/// 往TabControl中添加一个TabItem及一个画板
/// </summary>
private void NewDrawingBoard(BitmapDescription bitmapDescription)
{
DrawingBoard drawingBoard = new DrawingBoard(bitmapDescription);
// 为画板创建数据绑定
Binding binding = new Binding(); // 当前图层
binding.Source = this.layerList;
binding.Path = new PropertyPath("SelectedItem");
drawingBoard.SetBinding(DrawingBoard.CurrentLayerProperty, binding);
binding = new Binding(); // 绘画模式
binding.Source = this.toolList;
binding.Path = new PropertyPath("SelectedItem");
drawingBoard.SetBinding(DrawingBoard.DrawingModeProperty, binding);
binding = new Binding(); // 绘画颜色
binding.Source = this.colorPicker;
binding.Path = new PropertyPath("SelectedColor");
drawingBoard.SetBinding(DrawingBoard.ColorProperty, binding);
binding = new Binding(); // 画笔大小
binding.Source = this.penSize;
binding.Path = new PropertyPath("Value");
drawingBoard.SetBinding(DrawingBoard.PenThicknessProperty, binding);
TabItem tabItem = new TabItem();
tabItem.Header = bitmapDescription.Name;
tabItem.Content = drawingBoard;
this.tabBoard.Items.Add(tabItem);
this.tabBoard.SelectedItem = tabItem;
this.layerList.SelectedIndex = 0;
}
/// <summary>
/// Creates new font plane.
/// </summary>
public FontPlane()
{
_metrics = new FontMetrics();
_description = new FontDescription();
_characterBitmapDescription = new BitmapDescription();
_characterRanges = new SentinelCollection <CharacterRangeDescription>();
_characters = new SentinelCollection <CharacterDescription>();
_characterBitmapData = new byte[0];
_characterAntialiasingMetrics = new AntialiasingMetrics();
_characterRangesAntialiasing = new List <CharacterRangeAntialiasing>();
_charactersAntialiasing = new List <CharacterAntialiasing>();
_characterAntialiasingData = null;
}
/// <summary>
/// 打开图像文件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void OpenCommand_Executed(object sender, ExecutedRoutedEventArgs e)
{
string filename = BitmapHelper.Open();
if (filename != null)
{
BitmapImage imgSource = BitmapHelper.GetBitmapImage(filename);
// 创建位图描述信息
BitmapDescription bitmapDescription = new BitmapDescription();
bitmapDescription.Name = filename;
bitmapDescription.Width = imgSource.PixelWidth;
bitmapDescription.Height = imgSource.PixelHeight;
bitmapDescription.DPI_X = imgSource.DpiX;
bitmapDescription.DPI_Y = imgSource.DpiY;
// 创建画布
NewDrawingBoard(bitmapDescription);
// 将图像绘制到画布的图层上
CurrentDrawingBoard.AddBitmap(imgSource);
}
}
