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selection.js
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selection.js
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const psapi = require('./psapi')
const html_manip = require('./utility/html_manip')
function finalWidthHeight(
selectionWidth,
selectionHeight,
minWidth,
minHeight
) {
// const minWidth = 512
// const minHeight = 512
// const selectionWidth = 256
// const selectionHeight = 1000
let finalWidth = 0
let finalHeight = 0
if (selectionWidth <= selectionHeight) {
//do operation on the smaller dimension
const scaleRatio = selectionWidth / minWidth
finalWidth = minWidth
finalHeight = selectionHeight / scaleRatio
} else {
const scaleRatio = selectionHeight / minHeight
finalHeight = minHeight
finalWidth = selectionWidth / scaleRatio
}
return [finalWidth, finalHeight]
}
async function selectionToFinalWidthHeight(
selectionInfo,
minWidth = 512,
minHeight = 512
) {
// const { getSelectionInfoExe } = require('./psapi')
try {
// const selectionInfo = await psapi.getSelectionInfoExe()
const [finalWidth, finalHeight] = finalWidthHeight(
selectionInfo.width,
selectionInfo.height,
minWidth,
minHeight
)
return [
parseInt(finalWidth),
parseInt(finalHeight),
selectionInfo.width,
selectionInfo.height,
]
} catch (e) {
console.warn('you need a rectangular selection', e)
}
}
async function selectBoundingBox() {
let l = await app.activeDocument.activeLayers[0]
let bounds = await l.boundsNoEffects
let selectionInfo = convertSelectionObjectToSelectionInfo(bounds)
await psapi.reSelectMarqueeExe(selectionInfo)
return selectionInfo
}
function convertSelectionObjectToSelectionInfo(selection_obj) {
let selection_info = {
left: selection_obj._left,
right: selection_obj._right,
bottom: selection_obj._bottom,
top: selection_obj._top,
height: selection_obj._bottom - selection_obj._top,
width: selection_obj._right - selection_obj._left,
}
return selection_info
}
const SelectionInfoDesc = () => ({
_obj: 'get',
_target: [
{
_property: 'selection',
},
{
_ref: 'document',
_id: app.activeDocument._id,
},
],
_options: {
dialogOptions: 'dontDisplay',
},
})
async function createChannelIfNotExists(channelName) {
// const photoshop = require('photoshop')
// const app = photoshop.app
// const batchPlay = photoshop.action.batchPlay
// // Check if the channel exists
// let channelExists = false
// for (const channel of app.activeDocument.channels) {
// if (channel.name === channelName) {
// channelExists = true
// break
// }
// }
// // Create the channel if it doesn't exist
// if (!channelExists) {
// await batchPlay(
// [
// {
// _obj: 'make',
// _target: [
// {
// _ref: 'channel',
// },
// ],
// using: {
// _obj: 'channel',
// name: channelName,
// },
// },
// ],
// {}
// )
// }
if (!app.activeDocument.channels.getByName(channelName)) {
}
}
const deleteChannel = (channel_name = 'mask') =>
app.activeDocument.channels.getByName(channel_name)
? [
{
_obj: 'delete',
_target: { _ref: 'channel', _name: channel_name },
options: {
failOnMissingProperty: false,
failOnMissingElement: false,
},
},
]
: []
const makeMaskChannel = (channel_name = 'mask') => ({
// _obj: 'set',
// _target: { _ref: 'channel', _property: 'selection' },
// to: { _ref: 'channel', _name: channel_name },
_obj: 'duplicate',
_target: [
{
_ref: 'channel',
_property: 'selection',
},
],
name: channel_name,
_isCommand: true,
options: { failOnMissingProperty: false, failOnMissingElement: false },
})
async function makeMaskChannelExe(channel_name = 'mask') {
await executeAsModal(async () => {
// const channel = app.activeDocument.channels.getByName(channel_name)
// channel?.remove()
const result = await batchPlay(
[...deleteChannel(channel_name), makeMaskChannel(channel_name)],
// [
// {
// _obj: 'duplicate',
// _target: [
// {
// _ref: 'channel',
// _property: 'selection',
// },
// ],
// name: channel_name,
// _isCommand: true,
// },
// {
// _obj: 'make',
// new: { _class: 'channel' },
// at: { _ref: 'channel', _enum: 'channel', _value: 'mask' },
// using: {
// _enum: 'userMaskEnabled',
// _value: 'revealSelection',
// },
// },
// ],
{
synchronousExecution: true,
modalBehavior: 'execute',
}
)
console.log('result: ', result)
})
}
async function multiGetExe() {
desc = {
_obj: 'multiGet',
_target: { _ref: 'layer', _enum: 'ordinal', _value: 'targetEnum' },
extendedReference: [['layerID', 'itemIndex', 'count']],
options: { failOnMissingProperty: false, failOnMissingElement: false },
}
try {
const result = await batchPlay([desc], {
modalBehavior: 'execute',
synchronousExecution: true,
})
console.log('multiGetExe result: ', result)
// await executeAsModal(async () => {})
} catch (e) {
console.warn(e)
}
}
async function applyMaskChannelExe(channel_name = 'mask') {
await executeAsModal(async () => {
const result = await batchPlay(
[
// SelectionInfoDesc(),
// makeMaskChannel(),
{
_obj: 'set',
_target: { _ref: 'channel', _property: 'selection' },
to: { _ref: 'channel', _name: channel_name },
},
{
_obj: 'make',
new: { _class: 'channel' },
at: { _ref: 'channel', _enum: 'channel', _value: 'mask' },
using: {
_enum: 'userMaskEnabled',
_value: 'revealSelection',
_name: channel_name,
},
},
],
{
synchronousExecution: true,
modalBehavior: 'execute',
}
)
console.log('result: ', result)
})
}
async function selectionToChannel(channel_name) {
const channelToSelection = {
_obj: 'set',
_target: { _ref: 'channel', _property: 'selection' },
to: { _ref: 'channel', _name: channel_name },
}
let result
try {
await executeAsModal(async () => {
result = await batchPlay(
[
...deleteChannel(channel_name),
makeMaskChannel(channel_name),
channelToSelection,
],
{ modalBehavior: 'execute', synchronousExecution: true }
)
})
} catch (e) {
console.warn(e)
}
return result
}
async function createLayerFromMaskChannel(channel_name = 'mask') {
await executeAsModal(async () => {
const result = await batchPlay(
[
// SelectionInfoDesc(),
// makeMaskChannel(),
// {
// _obj: 'set',
// _target: { _ref: 'channel', _property: 'selection' },
// to: { _ref: 'channel', _name: channel_name },
// },
// {
// _obj: 'make',
// new: { _class: 'channel' },
// at: { _ref: 'channel', _enum: 'channel', _value: 'mask' },
// using: {
// _enum: 'userMaskEnabled',
// _value: 'revealSelection',
// _name: channel_name,
// },
// },
{
_obj: 'set',
_target: { _ref: 'layer' },
to: { _ref: 'channel', _name: channel_name },
},
],
{
synchronousExecution: true,
modalBehavior: 'execute',
}
)
console.log('result: ', result)
})
}
async function channelToSelectionExe(channel_name = 'mask') {
const channelToSelection = {
_obj: 'set',
_target: { _ref: 'channel', _property: 'selection' },
to: { _ref: 'channel', _name: channel_name },
}
try {
await executeAsModal(async () => {
const result = await batchPlay([channelToSelection], {
modalBehavior: 'execute',
synchronousExecution: true,
})
})
} catch (e) {
console.warn(e)
}
}
function makeSquare(selectionInfo, offset) {
// Calculate the current width and height
let width = selectionInfo.right - selectionInfo.left
let height = selectionInfo.bottom - selectionInfo.top
// Determine the maximum dimension
let maxDim = Math.max(width, height)
// Calculate the difference for width and height
let diffWidth = maxDim - width
let diffHeight = maxDim - height
// Add half the difference to 'right' and 'bottom', subtract the rest from 'left' and 'top'
selectionInfo.right += Math.floor(diffWidth / 2) + offset
selectionInfo.left -= diffWidth - Math.floor(diffWidth / 2) + offset
selectionInfo.bottom += Math.floor(diffHeight / 2) + offset
selectionInfo.top -= diffHeight - Math.floor(diffHeight / 2) + offset
// Update width and height
selectionInfo.width = maxDim + 2 * offset
selectionInfo.height = maxDim + 2 * offset
return selectionInfo
}
async function inpaintLassoInitImageAndMask(channel_name = 'mask', offset = 0) {
const selectionInfo = await psapi.getSelectionInfoExe()
//convert the selection box into square box so that you have best output results
const squareSelection = makeSquare(selectionInfo, offset)
//correct width and height sliders, since this is lasso mode.
await calcWidthHeightFromSelection(squareSelection)
async function getImageFromCanvas() {
const width = html_manip.getWidth()
const height = html_manip.getHeight()
const base64 = await io.IO.getSelectionFromCanvasAsBase64Interface_New(
width,
height,
squareSelection,
true
)
return base64
}
const channelToSelection = {
_obj: 'set',
_target: { _ref: 'channel', _property: 'selection' },
to: { _ref: 'channel', _name: channel_name },
}
// await executeAsModal(async () => {
// const result = await batchPlay(
// [
// ...deleteChannel(channel_name),
// makeMaskChannel(channel_name),
// channelToSelection,
// ],
// { modalBehavior: 'execute', synchronousExecution: true }
// )
// const selection_info = await psapi.getSelectionInfoExe()
// })
await selectionToChannel(channel_name) //lasso selection to channel called 'mask'
const init_base64 = await getImageFromCanvas()
html_manip.setInitImageSrc(general.base64ToBase64Url(init_base64))
let mask_base64
await executeAsModal(async () => {
const result = await batchPlay([channelToSelection], {
modalBehavior: 'execute',
synchronousExecution: true,
})
// const selection_info = await psapi.getSelectionInfoExe()
mask_base64 = await fillSelectionWhiteOutsideBlack(squareSelection)
})
//save laso selection to channel
//get laso selection
//make rect selection
//base64 from selection
//and display it in init image html element
//get laso selection:
//make mask layer
//get rectangular selection
//get base64 from selection
//display it in mask image html element
// let jimp_mask = await Jimp.read(Buffer.from(mask_base64, 'base64'))
// html_manip.setInitImageMaskSrc(
// await jimp_mask.getBase64Async(Jimp.MIME_PNG)
// )
html_manip.setInitImageMaskSrc(general.base64ToBase64Url(mask_base64))
return [init_base64, mask_base64]
// //return
// //init image
//mask
}
async function fillSelectionWhiteOutsideBlack(selectionInfo) {
// Create a new layer
const layer_name = 'mask'
const getSelectionDesc = () => ({
_obj: 'get',
_target: [
{
_property: 'selection',
},
{
_ref: 'document',
_id: app.activeDocument._id,
},
],
_options: {
dialogOptions: 'dontDisplay',
},
})
const invertSelection = () => ({
_obj: 'inverse',
_isCommand: true,
})
await psapi.unselectActiveLayers()
const mask_layer = await layer_util.createNewLayerExe('mask')
await moveToTopLayerStackExe()
await batchPlay(
[
getSelectionDesc(),
{
_obj: 'fill',
using: {
_enum: 'fillContents',
_value: 'white',
},
opacity: {
_unit: 'percentUnit',
_value: 100,
},
mode: {
_enum: 'blendMode',
_value: 'normal',
},
},
// {
// _obj: 'select',
// _target: [
// {
// _ref: 'channel',
// _property: 'selection',
// },
// ],
// },
invertSelection(),
{
_obj: 'fill',
using: {
_enum: 'fillContents',
_value: 'black',
},
opacity: {
_unit: 'percentUnit',
_value: 100,
},
mode: {
_enum: 'blendMode',
_value: 'normal',
},
},
// {
// _obj: 'invert',
// _target: [
// {
// _ref: 'channel',
// _property: 'selection',
// },
// ],
// },
//make new layer
// {
// _obj: 'make',
// _target: [
// {
// _ref: 'layer',
// },
// ],
// using: {
// _obj: 'layer',
// name: 'Fill Layer',
// },
// },
{
_obj: 'set',
_target: [
{ _ref: 'layer', _enum: 'ordinal', _value: 'targetEnum' },
],
to: { _obj: 'layer', name: layer_name },
_options: { dialogOptions: 'dontDisplay' },
_isCommand: true,
},
// getSelectionDesc(),
//undo the first inversion of the selection
invertSelection(),
],
{ modalBehavior: 'execute' }
)
await psapi.reSelectMarqueeExe(selectionInfo)
const width = html_manip.getWidth()
const height = html_manip.getHeight()
//convert the selection area on the canvas to base64 image
const base64 = await io.IO.getSelectionFromCanvasAsBase64Interface_New(
width,
height,
selectionInfo,
true,
layer_name + '.png'
)
//import the base64 image into the canvas as a new layer
// await io.IO.base64ToLayer(
// base64,
// 'base64_to_layer_temp.png',
// rect_selection_info.left,
// rect_selection_info.top,
// rect_selection_info.width,
// rect_selection_info.height
// )
await psapi.cleanLayers([mask_layer])
return base64
}
async function inpaintLasoInitImage() {
// Create a new layer
const layer_name = 'inpaint_laso_init_image'
const getSelectionDesc = () => ({
_obj: 'get',
_target: [
{
_property: 'selection',
},
{
_ref: 'document',
_id: app.activeDocument._id,
},
],
_options: {
dialogOptions: 'dontDisplay',
},
})
const invertSelection = () => ({
_obj: 'inverse',
_isCommand: true,
})
await batchPlay(
[
getSelectionDesc(),
{
_obj: 'fill',
using: {
_enum: 'fillContents',
_value: 'white',
},
opacity: {
_unit: 'percentUnit',
_value: 100,
},
mode: {
_enum: 'blendMode',
_value: 'normal',
},
},
// {
// _obj: 'select',
// _target: [
// {
// _ref: 'channel',
// _property: 'selection',
// },
// ],
// },
invertSelection(),
{
_obj: 'fill',
using: {
_enum: 'fillContents',
_value: 'black',
},
opacity: {
_unit: 'percentUnit',
_value: 100,
},
mode: {
_enum: 'blendMode',
_value: 'normal',
},
},
// {
// _obj: 'invert',
// _target: [
// {
// _ref: 'channel',
// _property: 'selection',
// },
// ],
// },
//make new layer
// {
// _obj: 'make',
// _target: [
// {
// _ref: 'layer',
// },
// ],
// using: {
// _obj: 'layer',
// name: 'Fill Layer',
// },
// },
{
_obj: 'set',
_target: [
{ _ref: 'layer', _enum: 'ordinal', _value: 'targetEnum' },
],
to: { _obj: 'layer', name: layer_name },
_options: { dialogOptions: 'dontDisplay' },
_isCommand: true,
},
// getSelectionDesc(),
//undo the first inversion of the selection
invertSelection(),
],
{ modalBehavior: 'execute' }
)
//get the rectangular bounding box selection
const rect_selection_info = await psapi.getSelectionInfoExe()
await psapi.reSelectMarqueeExe(rect_selection_info)
const width = html_manip.getWidth()
const height = html_manip.getHeight()
//convert the selection area on the canvas to base64 image
const base64 = await io.IO.getSelectionFromCanvasAsBase64Interface_New(
width,
height,
rect_selection_info,
true,
layer_name + '.png'
)
//import the base64 image into the canvas as a new layer
await io.IO.base64ToLayer(
base64,
'base64_to_layer_temp.png',
rect_selection_info.left,
rect_selection_info.top,
rect_selection_info.width,
rect_selection_info.height
)
// Fill the current selection with white
// await batchPlay(
// [
// {
// _obj: 'fill',
// using: {
// _enum: 'fillContents',
// _value: 'white',
// },
// opacity: {
// _unit: 'percentUnit',
// _value: 100,
// },
// mode: {
// _enum: 'blendMode',
// _value: 'normal',
// },
// },
// ],
// { modalBehavior: 'execute' }
// )
// // Invert the selection
// await batchPlay(
// [
// {
// _obj: 'invert',
// _target: [
// {
// _ref: 'channel',
// _property: 'selection',
// },
// ],
// },
// ],
// { modalBehavior: 'execute' }
// )
// // Fill the inverted selection with black
// await batchPlay(
// [
// {
// _obj: 'fill',
// using: {
// _enum: 'fillContents',
// _value: 'black',
// },
// opacity: {
// _unit: 'percentUnit',
// _value: 100,
// },
// mode: {
// _enum: 'blendMode',
// _value: 'normal',
// },
// },
// ],
// { modalBehavior: 'execute' }
// )
}
class Selection {
static async getSelectionInfoExe() {
//return a selectionInfo object or undefined
try {
const selection = await executeAsModal(async () => {
const result = await batchPlay([SelectionInfoDesc()], {
synchronousExecution: true,
modalBehavior: 'execute',
})
return result[0]?.selection
})
if (this.isSelectionValid(selection)) {
let selection_info = {
left: selection.left._value,
right: selection.right._value,
bottom: selection.bottom._value,
top: selection.top._value,
height: selection.bottom._value - selection.top._value,
width: selection.right._value - selection.left._value,
}
// console.dir({selection_info})
return selection_info
}
} catch (e) {
console.warn('selection info error', e)
}
}
static isSelectionValid(selection) {
console.warn(
'isSelectionValid is deprecated use selection.isSelectionValid instead'
)
if (
selection && // check if the selection is defined
selection.hasOwnProperty('left') &&
selection.hasOwnProperty('right') &&
selection.hasOwnProperty('top') &&
selection.hasOwnProperty('bottom')
) {
return true
}
return false
}
static reselectArea(selection_info) {}
static isSameSelection(selection_info_1, selection_info_2) {}
static async getImageToSelectionDifference() {
// const selectionInfo = await psapi.getSelectionInfoExe()
// const width = html_manip.getWidth()
// const height = html_manip.getHeight()
const selectionInfo = session_store.data.current_selection_info
const width = sd_tab_store.data.width
const height = sd_tab_store.data.height
let ratio =
(width * height) / (selectionInfo.width * selectionInfo.height)
return ratio
}
static {}
}
async function moveToTopLayerStackExe() {
const moveToTop = {
_obj: 'move',
_target: { _ref: 'layer', _enum: 'ordinal', _value: 'targetEnum' },
to: { _ref: 'layer', _enum: 'ordinal', _value: 'front' },
// _options: { dialogOptions: 'dontDisplay' },
options: { failOnMissingProperty: false, failOnMissingElement: false },
}
try {
await executeAsModal(async () => {
const layer = app.activeDocument.activeLayers[0]
while (layer.parent) {
console.log(layer.parent)
const result = await batchPlay([moveToTop], {
modalBehavior: 'execute',
synchronousExecution: true,
})
}
})
} catch (e) {
console.warn(e)
}
}
async function colorRange() {
// const select_current_layer_cmd = {
// _obj: 'set',
// _target: [
// {
// _ref: 'channel',
// _property: 'selection',
// },
// ],
// to: {
// _ref: 'channel',
// _enum: 'channel',
// _value: 'transparencyEnum',
// },
// _isCommand: true,
// }
const cmd = {
_obj: 'colorRange',
fuzziness: 0,
minimum: {
_obj: 'labColor',
luminance: 100,
a: 0,
b: 0,
},
maximum: {
_obj: 'labColor',
luminance: 100,
a: 0,
b: 0,
},
colorModel: 0,
_isCommand: true,
}
const result = await batchPlay([cmd], {
modalBehavior: 'execute',
synchronousExecution: true,
})
return result
}
async function colorRangeExe() {
let result
try {
await executeAsModal(
async () => {
result = await colorRange()
},
{ commandName: 'Convert Black and White Layer to mask selection' }
)
} catch (e) {
console.warn(e)
}
return result
}
async function base64ToLassoSelection(base64, selection_info) {
//place the mask on the canvas
const mask_layer = await io.IO.base64ToLayer(
base64,
'monochrome_mask.png',
selection_info.left,
selection_info.top,
selection_info.width,
selection_info.height
)
//reselect the selection area
await psapi.reSelectMarqueeExe(selection_info)
//reselect the layer
await psapi.selectLayersExe([mask_layer])
await executeAsModal(async () => {
await layer_util.toggleActiveLayer() // undo the toggling operation, active layer will be visible
//select the white pixels
await colorRange()
})
// await colorRangeExe()
//delete the mask layer. we only needed to select the white pixels
await executeAsModal(async () => {
await layer_util.toggleActiveLayer() // undo the toggling operation, active layer will be visible
})
await layer_util.deleteLayers([mask_layer])
}
async function base64ToChannel(base64, selection_info, channel_name) {
try {
await executeAsModal(async (context) => {
const history_id = await context.hostControl.suspendHistory({
documentID: app.activeDocument.id, //TODO: change this to the session document id
name: 'Mask Image',
})
const layer = app.activeDocument.activeLayers[0]
if (!layer_util.Layer.doesLayerExist(layer)) {
return null
}
await psapi.unSelectMarqueeExe()
await psapi.unselectActiveLayersExe()
await base64ToLassoSelection(base64, selection_info)
const expand_cmd = {
_obj: 'expand',
by: {
_unit: 'pixelsUnit',
_value: 10,
},
selectionModifyEffectAtCanvasBounds: true,
_isCommand: true,
}
const channelToSelection = {
_obj: 'set',
_target: { _ref: 'channel', _property: 'selection' },
to: { _ref: 'channel', _name: channel_name },
}
await executeAsModal(async () => {
const result = await batchPlay(
[
expand_cmd,
...deleteChannel(channel_name),
makeMaskChannel(channel_name),
channelToSelection,
],
{ modalBehavior: 'execute', synchronousExecution: true }
)
})
await psapi.selectLayersExe([layer])
await applyMaskChannelExe(channel_name)
// context = stored_context
await context.hostControl.resumeHistory(history_id)
})
} catch (e) {
console.warn(e)
}
}
async function black_white_layer_to_mask(mask_id, target_layer_id, mask_name) {
let result
let psAction = require('photoshop').action
let command = [
//
...deleteChannel(mask_name),
// Select layer “Layer 33”
{
_obj: 'select',
_target: [{ _id: mask_id, _ref: 'layer' }],
// layerID: [3862],
makeVisible: false,
},
// Set Selection
{
_obj: 'set',
_target: [{ _property: 'selection', _ref: 'channel' }],
to: {
_enum: 'channel',
_ref: 'channel',
_value: 'transparencyEnum',
},