StackOverflow2013

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plurals

PO
primarykey
Id
13252754
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
0
CommunityOwnedDate
CreationDate
2012-11-06T14:08:50.270
FavoriteCount
0
LastActivityDate
2012-11-06T14:14:46.003
LastEditDate
2012-11-06T14:14:46.003
LastEditorUserId
907695
OwnerUserId
907695
ParentId
8420802
PostTypeId
2
Score
21
ViewCount
0
LastEditorDisplayName
text
Body
Use Bitmap.createScaledBitmap as others suggested. However, this function is not very smart. If you're scaling to less than 50% size, you're likely to get this: <img src="https://i.stack.imgur.com/CGE3e.png" alt="enter image description here"> Instead of this: <img src="https://i.stack.imgur.com/pVFTd.png" alt="enter image description here"> Do you see bad antialiasing of 1st image? createScaledBitmap will get you this result. Reason is pixel filtering, where some pixels are completely skipped from source if scaling to < 50%. To get 2nd quality result, you need to halve the Bitmap's resolution if it's more than 2x larger than desired result, then finally you make call to createScaledBitmap. And there're more approaches to halve (or quarter, or eighten) images. If you have Bitmap in memory, you recursively call Bitmap.createScaledBitmap to halve image. If you load image from JPG file, implementation is even faster: you use <a href="http://developer.android.com/reference/android/graphics/BitmapFactory.html#decodeFile%28java.lang.String,%20android.graphics.BitmapFactory.Options%29">BitmapFactory.decodeFile</a> and setup Options parameter properly, mainly field <a href="http://developer.android.com/reference/android/graphics/BitmapFactory.Options.html#inSampleSize">inSampleSize</a>, which controls subsambling of loaded images, utilizing JPEG's characteristics. Many apps which provide image thumbnails use blindly Bitmap.createScaledBitmap, and the thumbnails are just ugly. Be smart and use proper image downsampling.
Tags
Title
singulars
PostAcceptedAnswerId
1. This table or related slice is empty.
PostParentId
1. POresize image from file
 singulars
 PostTypePostTypeId
 PTQuestion
PostTypePostTypeId
1. PTAnswer
UserLastEditorUserId
1. USPointer Null
UserOwnerUserId
1. USPointer Null
plurals
PostLinksPostIdRelatedPostId
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PostLinksRelatedPostIdPostId
1. This table or related slice is empty.
PostsAcceptedAnswerId
1. This table or related slice is empty.
PostsParentIdCreationDate
1. This table or related slice is empty.
VotesPostIdCreationDate
1. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
2. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
3. VO
 singulars
 PostPostId
 PO
 UserUserId
 This table or related slice is empty.
 VoteTypeVoteTypeId
 VTUpMod
CommentsPostId
1. This table or related slice is empty.

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