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keep image alpha in clipboard

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This commit is contained in:
Not Officer 2021-07-24 23:49:43 +02:00
parent 1894641554
commit 7ee52508ea
1 changed files with 55 additions and 31 deletions
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86
FModel/Views/ImageMerger.xaml.cs
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@ -1,4 +1,16 @@
using System;
using AdonisUI.Controls;
using FModel.Extensions;
using FModel.Settings;
using FModel.Views.Resources.Controls;
using Microsoft.Win32;
using Serilog;
using SkiaSharp;
using System;
using System.Collections.Generic;
using System.Drawing.Imaging;
using System.IO;
@ -9,18 +21,14 @@ using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Input;
using System.Windows.Media.Imaging;
using AdonisUI.Controls;
using FModel.Extensions;
using FModel.Settings;
using FModel.Views.Resources.Controls;
using Microsoft.Win32;
using Serilog;
using SkiaSharp;
namespace FModel.Views
{
public partial class ImageMerger
{
private const string FILENAME = "Preview.png";
private byte[] _imagebuffer;
public ImageMerger()
{
InitializeComponent();
@ -34,7 +42,7 @@ namespace FModel.Views
private async void Click_DrawPreview(object sender, MouseButtonEventArgs e)
{
if (ImagePreview.Source != null)
await DrawPreview().ConfigureAwait(false);
await DrawPreview().ConfigureAwait(false);
}
private async Task DrawPreview()
@ -60,9 +68,9 @@ namespace FModel.Views
if (item.ContentStringFormat.EndsWith(".tif"))
{
var mem = new MemoryStream();
await stream.CopyToAsync(mem);
System.Drawing.Image.FromStream(mem).Save(ms, ImageFormat.Png);
await using var tmp = new MemoryStream();
await stream.CopyToAsync(tmp);
System.Drawing.Image.FromStream(tmp).Save(ms, ImageFormat.Png);
}
else
{
@ -97,20 +105,19 @@ namespace FModel.Views
await Task.Run(() =>
{
using var ret = new SKBitmap(maxWidth - margin, maxHeight - margin, SKColorType.Rgba8888, SKAlphaType.Unpremul);
using var c = new SKCanvas(ret);
using var bmp = new SKBitmap(maxWidth - margin, maxHeight - margin, SKColorType.Rgba8888, SKAlphaType.Premul);
using var canvas = new SKCanvas(bmp);
for (var i = 0; i < images.Length; i++)
{
using (images[i])
{
c.DrawBitmap(images[i], positions[i], new SKPaint {FilterQuality = SKFilterQuality.High, IsAntialias = true});
canvas.DrawBitmap(images[i], positions[i], new SKPaint {FilterQuality = SKFilterQuality.High, IsAntialias = true});
}
}
var image = SKImage.FromBitmap(ret);
using var encoded = image.Encode();
using var stream = encoded.AsStream();
using var data = bmp.Encode(SKEncodedImageFormat.Png, 100);
using var stream = new MemoryStream(_imagebuffer = data.ToArray());
var photo = new BitmapImage();
photo.BeginInit();
photo.CacheOption = BitmapCacheOption.OnLoad;
@ -141,8 +148,9 @@ namespace FModel.Views
Multiselect = true,
Filter = "Image Files (*.png,*.bmp,*.jpg,*.jpeg,*.jfif,*.jpe,*.tiff,*.tif)|*.png;*.bmp;*.jpg;*.jpeg;*.jfif;*.jpe;*.tiff;*.tif|All Files (*.*)|*.*"
};
var result = fileBrowser.ShowDialog();
if (!result.HasValue || !result.Value) return;
if (!(bool) fileBrowser.ShowDialog()) return;
foreach (var file in fileBrowser.FileNames)
{
ImagesListBox.Items.Add(new ListBoxItem
@ -254,25 +262,41 @@ namespace FModel.Views
var saveFileDialog = new SaveFileDialog
{
Title = "Save Image",
FileName = "Preview.png",
FileName = FILENAME,
InitialDirectory = UserSettings.Default.OutputDirectory,
Filter = "Png Files (*.png)|*.png|All Files (*.*)|*.*"
};
var result = saveFileDialog.ShowDialog();
if (!result.HasValue || !result.Value) return;
if (!(bool) saveFileDialog.ShowDialog()) return;
using var fileStream = new FileStream(saveFileDialog.FileName, FileMode.Create);
var encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create((BitmapSource) ImagePreview.Source));
encoder.Save(fileStream);
using (var fs = new FileStream(saveFileDialog.FileName, FileMode.Create, FileAccess.Write, FileShare.Read))
{
fs.Write(_imagebuffer, 0, _imagebuffer.Length);
}
if (!File.Exists(saveFileDialog.FileName)) return;
Log.Information("{FileName} successfully saved", saveFileDialog.FileName.SubstringAfterLast('\\'));
FLogger.AppendInformation();
FLogger.AppendText($"Successfully saved '{saveFileDialog.FileName.SubstringAfterLast('\\')}'", Constants.WHITE, true);
SaveCheck(saveFileDialog.FileName, Path.GetFileName(saveFileDialog.FileName));
});
}
private void OnCopyImage(object sender, RoutedEventArgs e) => Clipboard.SetImage((BitmapSource) ImagePreview.Source);
private static void SaveCheck(string path, string fileName)
{
if (File.Exists(path))
{
Log.Information("{FileName} successfully saved", fileName);
FLogger.AppendInformation();
FLogger.AppendText($"Successfully saved '{fileName}'", Constants.WHITE, true);
}
else
{
Log.Error("{FileName} could not be saved", fileName);
FLogger.AppendError();
FLogger.AppendText($"Could not save '{fileName}'", Constants.WHITE, true);
}
}
private void OnCopyImage(object sender, RoutedEventArgs e)
{
ClipboardExtensions.SetImage(_imagebuffer, FILENAME);
}
}
}