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(GUI): added scale large image option.

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morkt
2018-03-11 20:50:33 +04:00
parent c5113b08ba
commit ce2e256dc2
13 changed files with 175 additions and 13 deletions
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40
GUI/ImagePreview.cs
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@@ -2,7 +2,7 @@
//! \date Sun Jul 06 06:34:56 2014
//! \brief preview images.
//
// Copyright (C) 2014-2015 by morkt
// Copyright (C) 2014-2018 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
@@ -259,6 +259,7 @@ namespace GARbro.GUI
{
ActiveViewer = ImageView;
ImageCanvas.Source = bitmap;
ApplyDownScaleSetting();
SetStatusText (string.Format (guiStrings.MsgImageSize, bitmap.PixelWidth,
bitmap.PixelHeight, bitmap.Format.BitsPerPixel));
}
@@ -289,5 +290,42 @@ namespace GARbro.GUI
}, DispatcherPriority.ContextIdle);
}
}
private void SetImageScaleMode (bool scale)
{
if (scale)
{
ImageCanvas.Stretch = Stretch.Uniform;
RenderOptions.SetBitmapScalingMode (ImageCanvas, BitmapScalingMode.HighQuality);
ImageView.VerticalScrollBarVisibility = ScrollBarVisibility.Disabled;
ImageView.HorizontalScrollBarVisibility = ScrollBarVisibility.Disabled;
}
else
{
ImageCanvas.Stretch = Stretch.None;
RenderOptions.SetBitmapScalingMode (ImageCanvas, BitmapScalingMode.NearestNeighbor);
ImageView.VerticalScrollBarVisibility = ScrollBarVisibility.Auto;
ImageView.HorizontalScrollBarVisibility = ScrollBarVisibility.Auto;
}
}
private void ApplyDownScaleSetting ()
{
bool image_need_scale = DownScaleImage.Get<bool>();
if (image_need_scale && ImageCanvas.Source != null)
{
var image = ImageCanvas.Source;
image_need_scale = image.Width > ImageView.ActualWidth || image.Height > ImageView.ActualHeight;
}
SetImageScaleMode (image_need_scale);
}
private void PreviewSizeChanged (object sender, SizeChangedEventArgs e)
{
var image = ImageCanvas.Source;
if (null == image || !DownScaleImage.Get<bool>())
return;
SetImageScaleMode (image.Width > e.NewSize.Width || image.Height > e.NewSize.Height);
}
}
}