Check if kPlacedArt is mirrored

Explorer ,
Nov 16, 2020 Nov 16, 2020

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Hi,

 

I'm struggling with the following issue.

 

Suppose, a user want to do the following:

  1. Placing an Image on a Document
  2. Mirror that image (horizontal or vertical)

 

So my question now is:

Is it possible to find out if that image is mirrored or not? As far as I found out, this image is handled as a "kPlacedArt" by Illustrator, and I was not able to find any function which gives me the mirror-information.

 

Thanks!

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correct answers 1 Correct Answer

Explorer , Nov 17, 2020 Nov 17, 2020
You might want to look into AIPlacedSuite and the function GetPlacedMatrix.I am not sure since I cannot test right now, but the matrix should contain the scaling which would be negative if it is mirrored.

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Explorer ,
Nov 17, 2020 Nov 17, 2020

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You might want to look into AIPlacedSuite and the function GetPlacedMatrix.

I am not sure since I cannot test right now, but the matrix should contain the scaling which would be negative if it is mirrored.

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Explorer ,
Jan 05, 2021 Jan 05, 2021

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Solved it now like in the following codesnipet (just wanted to check if it is mirrored or not, no distinguishon between horizontal and vertical or both):

sAIPlaced->GetPlacedMatrix(art, &mat);
sAIRealMath->AIRealMatrixGetRotate(&mat, &angleRad1);

if (mat.a > 0 && mat.d < 0) {
    return false;
}
else if (mat.a > 0 && mat.d > 0) {
    return true;
}
else if (mat.a < 0 && mat.d < 0) {
    return true;
}
else if (mat.a < 0 && mat.d > 0) {
    return false;
}

 

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