개정판 09b40aad
decodeImage 수정
Change-Id: Iea9964f77b6759bf4a7b9befce60dafe4a4f7732
| KCOM/Controls/DecodeImage.cs | ||
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namespace KCOM.Controls |
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{
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[TemplatePart(Name = PART_IMAGE, Type = typeof(Image))] |
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// [TemplatePart(Name = PART_IMAGE, Type = typeof(Image))]
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public class ScaleDecodeImage : System.Windows.Controls.Control |
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{
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private const string PART_IMAGE = "PART_IMAGE"; |
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private Image ImageControl; |
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// private const string PART_IMAGE = "PART_IMAGE"; |
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//private Image ImageControl; |
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public override void OnApplyTemplate() |
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{
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base.OnApplyTemplate(); |
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ImageControl = GetTemplateChild(PART_IMAGE) as Image; |
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//ImageControl = GetTemplateChild(PART_IMAGE) as Image;
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} |
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public static readonly DependencyProperty ViewSourceProperty = DependencyProperty.Register( |
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"ViewSource", typeof(BitmapImage), typeof(ScaleDecodeImage)); |
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public BitmapImage ViewSource |
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{
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get => (BitmapImage)GetValue(ViewSourceProperty); |
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set => SetValue(ViewSourceProperty, value); |
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} |
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public static readonly DependencyProperty SourceProperty = DependencyProperty.Register( |
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"Source", typeof(BitmapImage), typeof(ScaleDecodeImage),new PropertyMetadata(new PropertyChangedCallback(SourcePropertyChaged))); |
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"Source", typeof(BitmapImage), typeof(ScaleDecodeImage), new PropertyMetadata(new PropertyChangedCallback(SourcePropertyChaged)));
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public BitmapImage Source |
| ... | ... | |
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{
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var owner = d as ScaleDecodeImage; |
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if(owner != null) |
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if (owner != null)
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{
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owner.Scale = 1.0; |
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if (e.NewValue != null) |
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{
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owner.ViewSource = (BitmapImage)e.NewValue; |
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owner.Scale = 1.0; |
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} |
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} |
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} |
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public static readonly DependencyProperty ScaleProperty = DependencyProperty.Register( |
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"Scale", typeof(double), typeof(ScaleDecodeImage), new PropertyMetadata(0.0,new PropertyChangedCallback(ScalePropertyChaged))); |
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"Scale", typeof(double), typeof(ScaleDecodeImage), new PropertyMetadata(0.0, new PropertyChangedCallback(ScalePropertyChaged)));
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public double Scale |
| ... | ... | |
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set => SetValue(ScaleProperty, value); |
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} |
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private static async void ScalePropertyChaged(DependencyObject d, DependencyPropertyChangedEventArgs e)
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private static void ScalePropertyChaged(DependencyObject d, DependencyPropertyChangedEventArgs e) |
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{
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var owner = d as ScaleDecodeImage; |
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if (owner != null) |
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{
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if(owner.ImageControl != null) |
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{
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var value = owner.Scale; |
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System.Windows.Media.Imaging.BitmapImage image = owner.Source.Clone(); |
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var value = owner.Scale; |
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System.Windows.Media.Imaging.BitmapImage image = owner.Source.Clone(); |
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image.DecodePixelWidth = (int)(image.PixelWidth * value);
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image.DecodePixelHeight = (int)(image.PixelHeight * value);
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image.DecodePixelWidth = (int)(image.PixelWidth * value); |
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image.DecodePixelHeight = (int)(image.PixelHeight * value); |
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await owner.Dispatcher.InvokeAsync(() => { owner.ImageControl.Source = image; });
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} |
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owner.ViewSource = image; |
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} |
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} |
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} |
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