cross(Oblique) image display in Extern Bitmap.

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asked Nov 12, 2019 in Embedded Wizard Studio by chand bhadaniya

Hi, 

 

I am Working on to display an Image Using Extern bitmap. and uses EW_PIXEL_FORMAT_ALPHA8 format to display Image.

That works and draw the image in display but it displays cross image. (i atteched the screen shot)

 I want to display it correctly.

 

Thanks,

Chand Bhadaniya

 

1 Answer

0 votes
answered Nov 12, 2019 by Manfred Schweyer

Hello,

it seems that you are very close to the goal...

I assume that you have implemented the ExternBitmap interface according to the corresponding documentation - which also includes an example.

When you lock the bitmap you will get a XBitmapLock structure containing the address to write your image data (Pixel1) and the size of a single row within the bitmap (Pitch1Y). Are you using this parameters within your decoder?

The size of the allocated bitmap may be larger than the size you have requested when creating the bitmap due to alignment requirments.

Best regards,

Manfred

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