Android Question CameraExClass, Image orientation problem

[johnerikson]

I use CameraExClass to save the images on Mobiles Galaxy 3 and 4
When mobile phone is turned so that the.GetField ("orientation") is 180 degrees (landscape up and down), the image appears upright in preview mode in the screen. But the image taken is however, sideways (Up and down).
The following code in CameraExClass does not affect the result
r. RunMethod2 ("setDisplayOrientation", previewResult, "java.lang.int")
r. RunMethod2 ("setRotation", result, "java.lang.int") ' no response

The next problem is that the image is impossible to rotate, all functions I try results in "out of memory"!
The mobile are mounted and can’t change orientation!
How do I resolve the presentation of the image in an upright position in the Mobile?
/Johneriksson

 

[Sub7]

I think you need to read the image metadata to better understand what's going on.

Dim exif As ExifData
exif.Initialize(Dir,Camerafilename)
exif.getAttribute(xxxx)

 

[Erel]

Are you testing the example that comes with CameraEx class? It should show the preview in the correct orientation.
It is based on Google code. If it doesn't work then there is most probably a problem on your device.

 

[Sub7]

I had same problem with my galaxy 9300, Android gallery on galaxy (at least on mine) rotates the images so you can see them correctly, but if you pick them and put on a imageview they are rotated, so for that i needed to read the metadata and rotate them when needed.

 

[Erel]

This is a different issue. Some devices store the orientation in the exif headers instead of rotating the saved image. Still the preview image should be in the correct orientation.

 

[johnerikson]

Are you testing the example that comes with CameraEx class? It should show the preview in the correct orientation.
It is based on Google code. If it doesn't work then there is most probably a problem on your device.

It show the preview in the correct orientation but after taken the picture and saved it on file and Initialized the file to a bitmap and add on an ImageView the Image displayed Up and down.
If I use Microsoft Office Picture Manager to show the Picture, it's still up and down. But...........
If I use PaintShop Pro the picture shows upright without using a function. In that program I can read image metadata, but I don't see any suspects in this data!
/Johneriksson

 

[Sub7]

It show the preview in the correct orientation but after taken the picture and saved it on file and Initialized the file to a bitmap and add on an ImageView the Image displayed Up and down.
If I use Microsoft Office Picture Manager to show the Picture, it's still up and down. But...........
If I use PaintShop Pro the picture shows upright without using a function. In that program I can read image metadata, but I don't see any suspects in this data!
/Johneriksson

Is what i told you, i had the same issue few weeks ago, from what you have said the issue looked like you had a problem with the preview, and not loading an image into an imageview.


I resolved by writing this code:

exif.Initialize(Dir,Camerafilename)

    If exif.getAttribute(exif.TAG_ORIENTATION) = 6 Then
        image = imageProcessor.rotate(ToGrayScale2,90)


    Else If exif.getAttribute(exif.TAG_ORIENTATION) = 8 Then
        image= imageProcessor.rotate(ToGrayScale2,-90)
    End If

But i suggest you to wait for @Erel as this code is not in production and i dont know if it works on all devices (works on galaxy)

 

[johnerikson]

It seams to me I had better try to change The Metadata Attribute, if it possibly, rather than rotate the bitmap.
That because I have problems to rotate this big picture - files which causes Out Of Memory Error.
I know how to read Attributes but not how to update the header so...
If someone have knowledge about that tell me please!
I go on searching if it already it reported!

 

[johnerikson]

Information from myself...
I discovered that it isn't possible to got any affect of rotating displaying pictures throw changes metadata!
So from now I had to understand why the out of memory appear when I try to rotate the bitmap!
Or if I can send a command to the internal camera to understand the real orientation and scan the image as I see it in the screen!
Perhaps it somebody who knows, you are welcome!

 

[TheFalcon]

Hi, sorry for my English. I have the same problem loading the image into a Imageview. If I make the picture with the phone in the normal position, my daleada presented in imageview. If I make photo with me Movil in Horizontal presents the image in imageview Good. always want this straight but I can not find that modify the library cameraexclass

 

[Sub7]

You have a possible solution on #7.

 

[TheFalcon]

Thanks, i was trying that solution but the JPGUTILS aparde the library to library need not to recognize me

 imageProcessor.rotate(ToGrayScale2,90)

 

[Sub7]

Thanks, i was trying that solution but the JPGUTILS aparde the library to library need not to recognize me

 imageProcessor.rotate(ToGrayScale2,90)

You don't need to use tograyscale, it was just for my task.
What's the mean of this phrase: aparde the library to library need not to recognize me, i don't get it sorry.

 

[TheFalcon]

I'm sorry that my English is not very good.
That line of code I get in red B4 did not detect the line

imageProcessor.rotate

 

[Sub7]

Contact me via private message i'll help you tomorrow.
Too long here.

 

[imbault]

Is what i told you, i had the same issue few weeks ago, from what you have said the issue looked like you had a problem with the preview, and not loading an image into an imageview.


I resolved by writing this code:

exif.Initialize(Dir,Camerafilename)

    If exif.getAttribute(exif.TAG_ORIENTATION) = 6 Then
        image = imageProcessor.rotate(ToGrayScale2,90)


    Else If exif.getAttribute(exif.TAG_ORIENTATION) = 8 Then
        image= imageProcessor.rotate(ToGrayScale2,-90)
    End If

But i suggest you to wait for @Erel as this code is not in production and i dont know if it works on all devices (works on galaxy)

@Sub7, can you provide help about that code, I'm having the same issue on Galaxy S4, S5, xCover3...

Many thanks

Patrick

 

[ivan.tellez]

@Sub7, can you provide help about that code, I'm having the same issue on Galaxy S4, S5, xCover3...

Many thanks

Patrick

A little late but...


You can use BitmapExtended lib

      Dim bm2 As BitmapExtended
      bm=bm2.rotateBitmap(bm,180)