1 Correct answer
And here a PDF about using transform() with a transformationMatrix:
indesigncs3_transform_tutorial_javascript.pdf
Uwe
PS: Unfortunately the link above is not working anymore.
Instead see into:
Coordinate Spaces & Transformations in InDesign [UPDATE]
Marc Autert, October 14, 2021 | Tips | en
https://indiscripts.com/post/2018/06/coordinate-spaces-and-transformations-5
12
Replies
@zeRafio – ok, this is not AppleScript, but ExtendScript (JavaScript):
http://jongware.mit.edu/idcs6js/pc_Rectangle.html#resize
Example before Script:
After Script:
ExtendScript (JavaScript) working with the selected rectangle, that holds an image:
//Setting preferences (not necessary, but could be wise):
app.transformPreferences.whenScaling = WhenScalingOptions.ADJUST_SCALING_PERCENTAGE;
//Working on the selected rectangle:
app.selection[0].resize(
CoordinateSpaces.INNER_COORDINATES,
AnchorPoint.CENTER_ANCHOR,
ResizeMethods.MULTIPLYING_CURRENT_DIMENSIONS_BY,
[0.5,0.5],
false,
undefined
);
//Working on the image inside the rectangle:
app.selection[0].pageItems[0].getElements()[0].resize(
CoordinateSpaces.INNER_COORDINATES,
AnchorPoint.CENTER_ANCHOR,
ResizeMethods.MULTIPLYING_CURRENT_DIMENSIONS_BY,
[0.5,0.5],
false,
undefined
);
Uwe
//EDIT: oops. I see the image shifting…
Message was edited by: Laubender
Even with using PASTEBOARD_COORDINATES a small shift will occur:
app.transformPreferences.whenScaling = WhenScalingOptions.ADJUST_SCALING_PERCENTAGE;
var mySel = app.selection[0];
mySel.resize(
CoordinateSpaces.PASTEBOARD_COORDINATES,
AnchorPoint.CENTER_ANCHOR,
ResizeMethods.MULTIPLYING_CURRENT_DIMENSIONS_BY,
[0.5,0.5],
false,
undefined
);
mySel.pageItems[0].getElements()[0].resize(
CoordinateSpaces.PASTEBOARD_COORDINATES,
AnchorPoint.CENTER_ANCHOR,
ResizeMethods.MULTIPLYING_CURRENT_DIMENSIONS_BY,
[0.5,0.5],
false,
undefined
);
Here a screenshot where I used two methods to scale:
The blue, overprinting rectangle resized by the above script overlapping the yellow, overprinting rectangle using the percentage method in the UI. The red arrow points at the amount of shift:
Uwe
Well. There is another method:
use a transformation matrix.
/*
Scales the selected object with the image to 50%:
scaleMatrix( .5 , .5 )
through method transform() on the selection.
*/
var mySel = app.selection[0];
var myTransformationMatrix =
app.transformationMatrices.add
(
{
horizontalScaleFactor:1,
verticalScaleFactor:1
}
);
myTransformationMatrix =
myTransformationMatrix.scaleMatrix(.5, .5);
mySel.transform
(
CoordinateSpaces.pasteboardCoordinates,
AnchorPoint.centerAnchor,
myTransformationMatrix
);
And that seems to be the solution.
Rectangle plus image scaled in one go.
Here the proof with two overprinting rectangles overlapping perfectly. One scaled with the script above, one scaled with the UI. No shift visible.
Uwe
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