StackOverflow2013

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PO
primarykey
Id
13547212
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-11-25T00:44:37.330
FavoriteCount
0
LastActivityDate
2012-11-25T00:44:37.330
LastEditDate
2017-05-23T11:52:23.577
LastEditorUserId
-1
OwnerUserId
1292105
ParentId
13519255
PostTypeId
2
Score
0
ViewCount
0
LastEditorDisplayName
text
Body
After some more research and testing, I've found that the problem occurs only if the <code>Bitmap.RotateFlip</code> method has been called on the source bitmap, before it is drawn onto a target bitmap for cropping and resizing. I ended up having to re-write the code using plain old <code>System.Drawing</code> myself, because there is no way to change the behavior of the ImageResizer library. Specifically, I wrote my own rotation function, which uses a transformation matrix to do the same thing. <pre><code> private Bitmap RotateImage(Bitmap source, float angle) { if (angle == 0) return (Bitmap)source.Clone(); Bitmap target; using (GraphicsPath path = new GraphicsPath()) using (Matrix matrix = new Matrix()) { path.AddRectangle(new RectangleF(0.0f, 0.0f, source.Width, source.Height)); matrix.Rotate(angle); RectangleF rect = path.GetBounds(matrix); target = new Bitmap((int)Math.Round(rect.Width), (int)Math.Round(rect.Height)); target.SetResolution(source.HorizontalResolution, source.VerticalResolution); using (Graphics g = Graphics.FromImage(target)) { g.TranslateTransform(-rect.X, -rect.Y); g.RotateTransform(angle); g.InterpolationMode = InterpolationMode.HighQualityBicubic; g.DrawImageUnscaled(source, 0, 0); } } return target; } </code></pre> I would have wanted to set the <code>PixelFormat</code> of the new <code>Bitmap</code> to the one from the source - but doing so throws weird GDI+ "Out of memory" errors on encountering the CMYK JPEG files in question. This makes me wonder if this odd behavior is linked to <a href="https://stackoverflow.com/q/4315335/1292105">this</a> GDI+ bug/quirk that returns different <code>ImageFlags</code> and <code>PixelFormat</code> values on Windows 7/Server 2008 R2 and Windows Vista/Server 2008.
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1. This table or related slice is empty.
PostParentId
1. POImageResizer/System.Drawing and CMYK JPEGs
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PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USCommunity
UserOwnerUserId
1. USNikhil Dabas
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PostsAcceptedAnswerId
1. POImageResizer/System.Drawing and CMYK JPEGs
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1. This table or related slice is empty.
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1. VO
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