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Fix proportions for animated GIFs

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As with still images, animations are rendered at original size and
then scaled with HTML properties.

Also, fixed the blurry scaling on animation thumbnails.  I couldn't
find a way to do nearest-neighbor scaling in the code-behind without
resorting to System.Drawing (WinForms), so I added an overlay image
to the various grids.
This commit is contained in:
Andy McFadden
2019-12-25 10:07:42 -08:00
parent 6913558f4a
commit 5a88a805d0
8 changed files with 70 additions and 47 deletions
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14
SourceGen/Visualization.cs
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@ -72,6 +72,11 @@ namespace SourceGen {
/// </remarks>
public BitmapSource CachedImage { get; set; }
/// <summary>
/// Image overlaid on CachedImage. Used to identify thumbnails as animations.
/// </summary>
public BitmapSource OverlayImage { get; set; }
/// <summary>
/// True if CachedImage has something other than the default value.
/// </summary>
@ -93,6 +98,8 @@ namespace SourceGen {
internal static readonly BitmapSource ANIM_OVERLAY_IMAGE =
VisualizationAnimation.GenerateAnimOverlayImage();
internal static readonly BitmapSource BLANK_IMAGE = GenerateBlankImage();
/// <summary>
/// Serial number, for reference from other Visualization objects. Not serialized.
/// </summary>
@ -138,6 +145,7 @@ namespace SourceGen {
VisGenIdent = visGenIdent;
VisGenParams = visGenParams;
CachedImage = BROKEN_IMAGE;
OverlayImage = BLANK_IMAGE;
if (oldObj == null) {
// not worried about multiple threads
@ -210,6 +218,12 @@ namespace SourceGen {
return image;
}
private static BitmapSource GenerateBlankImage() {
RenderTargetBitmap bmp = new RenderTargetBitmap(1, 1, 96.0, 96.0,
PixelFormats.Pbgra32);
return bmp;
}
public override string ToString() {
return "[Vis: " + Tag + " (" + VisGenIdent + ") count=" + VisGenParams.Count + "]";