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User Unknow
User Unknow
Legend
May 3, 2012
Answered

Texture.uploadFromByteArray() and BitmapData ARGB

Hi,

I can't unserstand - how I can upload BitmapData.getPixels if uploadFromByteArray use BGRA colorspace and BitmapData.getPixels returns ARGB

What I should to do ?

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User Unknow
User UnknowCorrect answer
Legend
May 21, 2012

Here is solution

var bm : BitmapData = new preview();

var outBm : BitmapData = new BitmapData(bm.width,bm.height,bm.transparent);

for ( var i : int = 0 ; i < bm.width; i ++ ) {

for ( var j : int = 0 ; j < bm.height; j ++ ) {

var BGR : uint = (bm.getPixel32(i,j) & 0x000000ff) << 16 | (bm.getPixel32(i,j) & 0x0000FF00) | (bm.getPixel32(i,j) & 0x00FF0000) >> 16;

outBm.setPixel32(i,j,BGR);

}

}

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3 replies

sinious
sinious
Legend
May 3, 2012

Try getPixel32 which returns ARGB. Here's the link:

http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/display/BitmapData.html

That's just to BitmapData. You will find the method getPixel32 there.

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User Unknow
User UnknowAuthor
Legend
May 3, 2012

Thanks, but this not that I'm looking for.

getPixels - return ByteArray of BitmapData.

And getPixel32 return single pixel. So I thing I need way to convert BitmapData bytearray from argb (rgb) to bgra (bgr)

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User Unknow
User UnknowAuthorCorrect answer
Legend
May 21, 2012

Here is solution

var bm : BitmapData = new preview();

var outBm : BitmapData = new BitmapData(bm.width,bm.height,bm.transparent);

for ( var i : int = 0 ; i < bm.width; i ++ ) {

for ( var j : int = 0 ; j < bm.height; j ++ ) {

var BGR : uint = (bm.getPixel32(i,j) & 0x000000ff) << 16 | (bm.getPixel32(i,j) & 0x0000FF00) | (bm.getPixel32(i,j) & 0x00FF0000) >> 16;

outBm.setPixel32(i,j,BGR);

}

}

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