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Begin implementing error images

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Starbeamrainbowlabs 2016-07-10 20:50:29 +01:00
parent dd10edb281
commit 4f1fc0f211
1 changed files with 26 additions and 20 deletions
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46
GalleryShare/ThumbnailGenerator.cs
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@ -12,28 +12,34 @@ namespace GalleryShare
{ {
public static void GenerateThumbnailPng(string imagePath, Size thumbnailBounds, Stream outputStream) public static void GenerateThumbnailPng(string imagePath, Size thumbnailBounds, Stream outputStream)
{ {
using (Bitmap rawImage = new Bitmap(imagePath)) { try {
float scaleFactor = Math.Min( using (Bitmap rawImage = new Bitmap(imagePath)) {
thumbnailBounds.Width / (float)rawImage.Width, float scaleFactor = Math.Min(
thumbnailBounds.Height / (float)rawImage.Height thumbnailBounds.Width / (float)rawImage.Width,
); thumbnailBounds.Height / (float)rawImage.Height
Size thumbnailSize = new Size( );
(int)(rawImage.Width * scaleFactor), Size thumbnailSize = new Size(
(int)(rawImage.Height * scaleFactor) (int)(rawImage.Width * scaleFactor),
); (int)(rawImage.Height * scaleFactor)
);
using (Bitmap smallImage = new Bitmap(thumbnailSize.Width, thumbnailSize.Height))
using (Graphics context = Graphics.FromImage(smallImage)) { using (Bitmap smallImage = new Bitmap(thumbnailSize.Width, thumbnailSize.Height))
context.CompositingMode = CompositingMode.SourceCopy; using (Graphics context = Graphics.FromImage(smallImage)) {
context.InterpolationMode = InterpolationMode.HighQualityBicubic; context.CompositingMode = CompositingMode.SourceCopy;
context.DrawImage(rawImage, new Rectangle( context.InterpolationMode = InterpolationMode.HighQualityBicubic;
Point.Empty, context.DrawImage(rawImage, new Rectangle(
thumbnailSize Point.Empty,
)); thumbnailSize
));
smallImage.Save(outputStream, ImageFormat.Png);
smallImage.Save(outputStream, ImageFormat.Png);
}
} }
} }
catch (Exception error)
{
throw new NotImplementedException("Error images haven't been implemented yet.", error);
}
} }
} }
} }