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Adobe Photoshop CS6

JavaScript Scripting Reference JavaScript Object Reference 169

var startTypeUnits = app.preferences.typeUnits

var startDisplayDialogs = app.displayDialogs

// Set Adobe Photoshop CS6 to use pixels and display no dialogs

app.preferences.rulerUnits = Units.PIXELS

app.preferences.typeUnits = TypeUnits.PIXELS

app.displayDialogs = DialogModes.NO

//Close all the open documents

while (app.documents.length) {

app.activeDocument.close()

}

//Create variables for the 800 pixel board divided in even 100 x 100 squares

var docSize = 800

var cells = 8

var cellSize = docSize / cells

// create a new document

var checkersDoc = app.documents.add(docSize, docSize, 72, "Checkers")

// Create a variable to use for selecting the checker board

// That allows me to shift the selection one square to the right

//on every other row, and then shift back for the rows in between.

var shiftIt = true

// loop through vertically to create the first row

for (var v = 0; v < docSize; v += cellSize) {

// Switch the shift for a new row

shiftIt = !shiftIt

// loop through horizontally

for (var h = 0; h < docSize; h += (cellSize * 2)) {

// push over the cellSize to start with only

if (shiftIt && h == 0) {

h += cellSize

}

// Select a square

selRegion = Array(Array(h, v),

Array(h + cellSize, v),

Array(h + cellSize, v + cellSize),

Array(h, v + cellSize),

Array(h, v))

// In the first ineration of the loop, start the selection

//In subsequent iterations, use the EXTEND constant value

//of the select() method to add to the selection (in the loop’s else clause)

if (h == 0 && v == 0) {

checkersDoc.selection.select(selRegion)

} else {

checkersDoc.selection.select(selRegion, SelectionType.EXTEND)

}

// turn this off for faster execution

// turn this on for debugging

WaitForRedraw()

}

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