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/* Photopea scripts */
// The scripts listed here run within Photopea context. We pass them into the app as strings via
// POST messages.
// Hides all layers except the current one, outputs the whole image, then restores the previous
// layers state. I'm pretty sure getAndSendImageToWebUITab() using the same code path for this
// script and for the regular saveToOE call works out of sheer luck: we register the listener on
// postMessageToPhotopea, then receive the data for the internal app.activeDocument.saveToOE("jpg");
// below, then its done, and that solves the promise, but we end up with a dangling "done"
// response from the script execution message. But hey, if it works... ^^'
function exportSelectedLayerOnly() {
// Gets all layers recursively, including the ones inside folders.
function getAllArtLayers (document, layerCollection){
for (var i = 0; i < document.layers.length; i++){
var currentLayer = document.layers[i];
if (currentLayer.typename === "ArtLayer"){
layerCollection.push(currentLayer);
} else {
getAllArtLayers(currentLayer, layerCollection);
}
}
return layerCollection;
}
var allLayers = []
allLayers = getAllArtLayers(app.activeDocument, allLayers);
// Make all layers except the currently selected one invisible, and store
// their initial state.
layerStates = []
for (var i = 0; i < allLayers.length; i++) {
layerStates.push(allLayers[i].visible)
allLayers[i].visible = allLayers[i] == app.activeDocument.activeLayer
}
// Output the image. We output JPG to make sure we don't end up with transparent backgrounds.
app.activeDocument.saveToOE("JPG");
// Restore layers
for (var i = 0; i < allLayers.length; i++) {
allLayers[i].visible = layerStates[i]
}
}
// Creates a black and white mask based on the current selection in the active document.
function createMaskFromSelection() {
if (app.activeDocument.selection === null) {
app.echo("No selection!");
return;
}
// Create a temp layer.
newLayer = app.activeDocument.artLayers.add();
newLayer.name = "TempMaskLayer";
// Fill the inverse of the selection with black.
app.activeDocument.selection.invert();
color = new SolidColor();
color.rgb.red = 0
color.rgb.green = 0
color.rgb.blue = 0
app.activeDocument.selection.fill(color);
// Fill the selected part with white.
color.rgb.red = 255
color.rgb.green = 255
color.rgb.blue = 255
app.activeDocument.selection.invert();
app.activeDocument.selection.fill(color);
}
function selectionExists() {
// This is the best way I could find to figure this out. Seems the `selection` object always
// exists, but bounds only has values if a selection exists.
app.echoToOE(app.activeDocument.selection.bounds != null);
}
function getActiveDocumentSize() {
app.echoToOE(app.activeDocument.width + "," + app.activeDocument.height);
} |