개정판 566f0526
Image 밝기 & 색 농도 조절
Change-Id: I80feb7c7a64fbaf8d1d85a32bdf8baa813be2d4c
| KCOM/Controls/DecodeImage.cs | ||
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using System; |
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using KCOM.Common; |
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using System; |
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using System.Collections.Generic; |
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using System.Linq; |
| ... | ... | |
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set => SetValue(ScaleProperty, value); |
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} |
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private static void ScalePropertyChaged(DependencyObject d, DependencyPropertyChangedEventArgs e) |
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private static async 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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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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//owner.ViewSource = image; |
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if (value < 1) |
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{
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TransformedBitmap tb = new TransformedBitmap(); |
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tb.BeginInit(); |
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tb.Source = owner.Source; |
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tb.Transform = new ScaleTransform(value, value); |
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tb.EndInit(); |
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System.Diagnostics.Debug.WriteLine($"TranFormImage Height : {tb.Height} Scale : {value}");
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owner.ViewSource = tb; |
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} |
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await owner.Dispatcher.InvokeAsync(() => {
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var value = owner.Scale; |
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if (value < 1) |
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{
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TransformedBitmap tb = new TransformedBitmap(); |
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tb.BeginInit(); |
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tb.Source = owner.Source; |
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tb.Transform = new ScaleTransform(value, value); |
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tb.EndInit(); |
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byte[] pixels = ImageSourceHelper.CopyPixels(tb); |
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var brightness = (double)(value * 100) / (double)100 * (double)100 - 80; |
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if (brightness < -30) |
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{
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pixels = ImageSourceHelper.SetBrightnessAndContrast((int)brightness, brightness * -1.0, pixels); |
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//pixels = ImageSourceHelper.SetContrast(brightness * -1.0, pixels); |
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var bmp = new WriteableBitmap(tb.PixelWidth, tb.PixelHeight, tb.DpiX, tb.DpiY, PixelFormats.Pbgra32, null); |
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bmp.WritePixels(new Int32Rect(0, 0, tb.PixelWidth, tb.PixelHeight), pixels, tb.PixelWidth * 4, 0); |
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owner.ViewSource = bmp; |
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} |
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else |
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{
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owner.ViewSource = tb; |
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} |
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System.Diagnostics.Debug.WriteLine($"TranFormImage Height : {tb.Height} Scale : {value} brightness : {brightness}");
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} |
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}); |
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} |
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} |
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} |
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