mirror of
https://github.com/n8n-io/n8n.git
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1416 lines
30 KiB
TypeScript
1416 lines
30 KiB
TypeScript
import {
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BINARY_ENCODING,
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IExecuteFunctions,
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} from 'n8n-core';
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import {
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IDataObject,
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ILoadOptionsFunctions,
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INodeExecutionData,
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INodeProperties,
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INodePropertyOptions,
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INodeType,
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INodeTypeDescription,
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NodeOperationError,
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} from 'n8n-workflow';
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import gm from 'gm';
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import { file } from 'tmp-promise';
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import {
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parse as pathParse,
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} from 'path';
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import {
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writeFile as fsWriteFile,
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} from 'fs';
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import { promisify } from 'util';
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const fsWriteFileAsync = promisify(fsWriteFile);
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import getSystemFonts from 'get-system-fonts';
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const nodeOperations: INodePropertyOptions[] = [
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{
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name: 'Blur',
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value: 'blur',
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description: 'Adds a blur to the image and so makes it less sharp',
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},
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{
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name: 'Border',
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value: 'border',
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description: 'Adds a border to the image',
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},
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{
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name: 'Composite',
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value: 'composite',
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description: 'Composite image on top of another one',
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},
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{
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name: 'Create',
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value: 'create',
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description: 'Create a new image',
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},
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{
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name: 'Crop',
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value: 'crop',
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description: 'Crops the image',
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},
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{
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name: 'Draw',
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value: 'draw',
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description: 'Draw on image',
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},
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{
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name: 'Rotate',
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value: 'rotate',
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description: 'Rotate image',
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},
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{
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name: 'Resize',
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value: 'resize',
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description: 'Change the size of image',
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},
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{
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name: 'Shear',
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value: 'shear',
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description: 'Shear image along the X or Y axis',
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},
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{
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name: 'Text',
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value: 'text',
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description: 'Adds text to image',
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},
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{
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name: 'Transparent',
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value: 'transparent',
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description: 'Make a color in image transparent',
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},
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];
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const nodeOperationOptions: INodeProperties[] = [
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// ----------------------------------
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// create
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// ----------------------------------
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{
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displayName: 'Background Color',
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name: 'backgroundColor',
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type: 'color',
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default: '#ffffff00',
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typeOptions: {
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showAlpha: true,
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},
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displayOptions: {
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show: {
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operation: [
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'create',
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],
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},
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},
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description: 'The background color of the image to create',
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},
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{
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displayName: 'Image Width',
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name: 'width',
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type: 'number',
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default: 50,
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typeOptions: {
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minValue: 1,
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},
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displayOptions: {
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show: {
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operation: [
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'create',
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],
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},
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},
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description: 'The width of the image to create',
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},
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{
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displayName: 'Image Height',
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name: 'height',
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type: 'number',
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default: 50,
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typeOptions: {
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minValue: 1,
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},
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displayOptions: {
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show: {
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operation: [
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'create',
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],
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},
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},
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description: 'The height of the image to create',
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},
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// ----------------------------------
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// draw
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// ----------------------------------
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{
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displayName: 'Primitive',
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name: 'primitive',
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type: 'options',
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displayOptions: {
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show: {
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operation: [
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'draw',
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],
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},
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},
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options: [
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{
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name: 'Circle',
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value: 'circle',
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},
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{
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name: 'Line',
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value: 'line',
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},
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{
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name: 'Rectangle',
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value: 'rectangle',
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},
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],
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default: 'rectangle',
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description: 'The primitive to draw',
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},
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{
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displayName: 'Color',
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name: 'color',
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type: 'color',
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default: '#ff000000',
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typeOptions: {
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showAlpha: true,
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},
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displayOptions: {
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show: {
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operation: [
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'draw',
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],
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},
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},
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description: 'The color of the primitive to draw',
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},
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{
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displayName: 'Start Position X',
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name: 'startPositionX',
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type: 'number',
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default: 50,
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displayOptions: {
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show: {
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operation: [
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'draw',
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],
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primitive: [
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'circle',
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'line',
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'rectangle',
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],
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},
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},
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description: 'X (horizontal) start position of the primitive',
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},
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{
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displayName: 'Start Position Y',
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name: 'startPositionY',
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type: 'number',
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default: 50,
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displayOptions: {
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show: {
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operation: [
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'draw',
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],
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primitive: [
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'circle',
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'line',
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'rectangle',
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],
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},
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},
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description: 'Y (horizontal) start position of the primitive',
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},
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{
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displayName: 'End Position X',
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name: 'endPositionX',
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type: 'number',
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default: 250,
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displayOptions: {
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show: {
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operation: [
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'draw',
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],
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primitive: [
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'circle',
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'line',
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'rectangle',
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],
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},
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},
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description: 'X (horizontal) end position of the primitive',
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},
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{
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displayName: 'End Position Y',
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name: 'endPositionY',
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type: 'number',
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default: 250,
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displayOptions: {
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show: {
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operation: [
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'draw',
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],
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primitive: [
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'circle',
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'line',
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'rectangle',
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],
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},
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},
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description: 'Y (horizontal) end position of the primitive',
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},
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{
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displayName: 'Corner Radius',
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name: 'cornerRadius',
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type: 'number',
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default: 0,
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displayOptions: {
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show: {
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operation: [
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'draw',
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],
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primitive: [
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'rectangle',
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],
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},
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},
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description: 'The radius of the corner to create round corners',
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},
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// ----------------------------------
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// text
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// ----------------------------------
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{
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displayName: 'Text',
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name: 'text',
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typeOptions: {
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rows: 5,
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},
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type: 'string',
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default: '',
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placeholder: 'Text to render',
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displayOptions: {
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show: {
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operation: [
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'text',
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],
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},
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},
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description: 'Text to write on the image',
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},
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{
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displayName: 'Font Size',
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name: 'fontSize',
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type: 'number',
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default: 18,
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displayOptions: {
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show: {
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operation: [
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'text',
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],
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},
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},
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description: 'Size of the text',
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},
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{
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displayName: 'Font Color',
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name: 'fontColor',
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type: 'color',
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default: '#000000',
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displayOptions: {
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show: {
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operation: [
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'text',
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],
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},
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},
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description: 'Color of the text',
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},
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{
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displayName: 'Position X',
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name: 'positionX',
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type: 'number',
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default: 50,
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displayOptions: {
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show: {
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operation: [
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'text',
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],
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},
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},
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description: 'X (horizontal) position of the text',
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},
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{
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displayName: 'Position Y',
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name: 'positionY',
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type: 'number',
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default: 50,
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displayOptions: {
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show: {
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operation: [
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'text',
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],
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},
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},
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description: 'Y (vertical) position of the text',
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},
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{
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displayName: 'Max Line Length',
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name: 'lineLength',
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type: 'number',
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typeOptions: {
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minValue: 1,
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},
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default: 80,
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displayOptions: {
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show: {
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operation: [
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'text',
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],
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},
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},
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description: 'Max amount of characters in a line before a line-break should get added',
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},
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// ----------------------------------
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// blur
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// ----------------------------------
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{
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displayName: 'Blur',
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name: 'blur',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 1000,
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},
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default: 5,
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displayOptions: {
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show: {
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operation: [
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'blur',
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],
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},
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},
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description: 'How strong the blur should be',
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},
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{
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displayName: 'Sigma',
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name: 'sigma',
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type: 'number',
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typeOptions: {
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minValue: 0,
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maxValue: 1000,
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},
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default: 2,
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displayOptions: {
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show: {
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operation: [
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'blur',
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],
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},
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},
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description: 'The sigma of the blur',
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},
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// ----------------------------------
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// border
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// ----------------------------------
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{
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displayName: 'Border Width',
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name: 'borderWidth',
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type: 'number',
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default: 10,
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displayOptions: {
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show: {
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operation: [
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'border',
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],
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},
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},
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description: 'The width of the border',
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},
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{
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displayName: 'Border Height',
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name: 'borderHeight',
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type: 'number',
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default: 10,
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displayOptions: {
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show: {
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operation: [
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'border',
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],
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},
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},
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description: 'The height of the border',
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},
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{
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displayName: 'Border Color',
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name: 'borderColor',
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type: 'color',
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default: '#000000',
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displayOptions: {
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show: {
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operation: [
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'border',
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],
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},
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},
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description: 'Color of the border',
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},
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// ----------------------------------
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// composite
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// ----------------------------------
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{
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displayName: 'Composite Image Property',
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name: 'dataPropertyNameComposite',
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type: 'string',
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default: '',
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placeholder: 'data2',
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displayOptions: {
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show: {
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operation: [
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'composite',
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],
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},
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},
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description: 'The name of the binary property which contains the data of the image to composite on top of image which is found in Property Name',
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},
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{
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displayName: 'Operator',
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name: 'operator',
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type: 'options',
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displayOptions: {
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show: {
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operation: [
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'composite',
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],
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},
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},
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options: [
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{
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name: 'Add',
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value: 'Add',
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},
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{
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name: 'Atop',
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value: 'Atop',
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},
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{
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name: 'Bumpmap',
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value: 'Bumpmap',
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},
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{
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name: 'Copy',
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value: 'Copy',
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},
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{
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name: 'Copy Black',
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value: 'CopyBlack',
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},
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{
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name: 'Copy Blue',
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value: 'CopyBlue',
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},
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{
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name: 'Copy Cyan',
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value: 'CopyCyan',
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},
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{
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name: 'Copy Green',
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value: 'CopyGreen',
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},
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{
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name: 'Copy Magenta',
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value: 'CopyMagenta',
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},
|
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{
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name: 'Copy Opacity',
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value: 'CopyOpacity',
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},
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{
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name: 'Copy Red',
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value: 'CopyRed',
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},
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{
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name: 'Copy Yellow',
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value: 'CopyYellow',
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},
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{
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name: 'Difference',
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value: 'Difference',
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},
|
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{
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name: 'Divide',
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value: 'Divide',
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},
|
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{
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name: 'In',
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value: 'In',
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},
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{
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name: 'Minus',
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value: 'Minus',
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},
|
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{
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name: 'Multiply',
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value: 'Multiply',
|
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},
|
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{
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name: 'Out',
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value: 'Out',
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},
|
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{
|
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name: 'Over',
|
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value: 'Over',
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},
|
|
{
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name: 'Plus',
|
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value: 'Plus',
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},
|
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{
|
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name: 'Subtract',
|
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value: 'Subtract',
|
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},
|
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{
|
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name: 'Xor',
|
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value: 'Xor',
|
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},
|
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],
|
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default: 'Over',
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description: 'The operator to use to combine the images',
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},
|
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{
|
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displayName: 'Position X',
|
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name: 'positionX',
|
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type: 'number',
|
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default: 0,
|
|
displayOptions: {
|
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show: {
|
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operation: [
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'composite',
|
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],
|
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},
|
|
},
|
|
description: 'X (horizontal) position of composite image',
|
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},
|
|
{
|
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displayName: 'Position Y',
|
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name: 'positionY',
|
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type: 'number',
|
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default: 0,
|
|
displayOptions: {
|
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show: {
|
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operation: [
|
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'composite',
|
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],
|
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},
|
|
},
|
|
description: 'Y (vertical) position of composite image',
|
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},
|
|
|
|
// ----------------------------------
|
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// crop
|
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// ----------------------------------
|
|
{
|
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displayName: 'Width',
|
|
name: 'width',
|
|
type: 'number',
|
|
default: 500,
|
|
displayOptions: {
|
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show: {
|
|
operation: [
|
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'crop',
|
|
],
|
|
},
|
|
},
|
|
description: 'Crop width',
|
|
},
|
|
{
|
|
displayName: 'Height',
|
|
name: 'height',
|
|
type: 'number',
|
|
default: 500,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'crop',
|
|
],
|
|
},
|
|
},
|
|
description: 'Crop height',
|
|
},
|
|
{
|
|
displayName: 'Position X',
|
|
name: 'positionX',
|
|
type: 'number',
|
|
default: 0,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
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'crop',
|
|
],
|
|
},
|
|
},
|
|
description: 'X (horizontal) position to crop from',
|
|
},
|
|
{
|
|
displayName: 'Position Y',
|
|
name: 'positionY',
|
|
type: 'number',
|
|
default: 0,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'crop',
|
|
],
|
|
},
|
|
},
|
|
description: 'Y (vertical) position to crop from',
|
|
},
|
|
|
|
// ----------------------------------
|
|
// resize
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Width',
|
|
name: 'width',
|
|
type: 'number',
|
|
default: 500,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'resize',
|
|
],
|
|
},
|
|
},
|
|
description: 'New width of the image',
|
|
},
|
|
{
|
|
displayName: 'Height',
|
|
name: 'height',
|
|
type: 'number',
|
|
default: 500,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'resize',
|
|
],
|
|
},
|
|
},
|
|
description: 'New height of the image',
|
|
},
|
|
{
|
|
displayName: 'Option',
|
|
name: 'resizeOption',
|
|
type: 'options',
|
|
options: [
|
|
{
|
|
name: 'Ignore Aspect Ratio',
|
|
value: 'ignoreAspectRatio',
|
|
description: 'Ignore aspect ratio and resize exactly to specified values',
|
|
},
|
|
{
|
|
name: 'Maximum Area',
|
|
value: 'maximumArea',
|
|
description: 'Specified values are maximum area',
|
|
},
|
|
{
|
|
name: 'Minimum Area',
|
|
value: 'minimumArea',
|
|
description: 'Specified values are minimum area',
|
|
},
|
|
{
|
|
name: 'Only if Larger',
|
|
value: 'onlyIfLarger',
|
|
description: 'Resize only if image is larger than width or height',
|
|
},
|
|
{
|
|
name: 'Only if Smaller',
|
|
value: 'onlyIfSmaller',
|
|
description: 'Resize only if image is smaller than width or height',
|
|
},
|
|
{
|
|
name: 'Percent',
|
|
value: 'percent',
|
|
description: 'Width and height are specified in percents',
|
|
},
|
|
],
|
|
default: 'maximumArea',
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'resize',
|
|
],
|
|
},
|
|
},
|
|
description: 'How to resize the image',
|
|
},
|
|
|
|
// ----------------------------------
|
|
// rotate
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Rotate',
|
|
name: 'rotate',
|
|
type: 'number',
|
|
typeOptions: {
|
|
minValue: -360,
|
|
maxValue: 360,
|
|
},
|
|
default: 0,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'rotate',
|
|
],
|
|
},
|
|
},
|
|
description: 'How much the image should be rotated',
|
|
},
|
|
{
|
|
displayName: 'Background Color',
|
|
name: 'backgroundColor',
|
|
type: 'color',
|
|
default: '#ffffffff',
|
|
typeOptions: {
|
|
showAlpha: true,
|
|
},
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'rotate',
|
|
],
|
|
},
|
|
},
|
|
description: 'The color to use for the background when image gets rotated by anything which is not a multiple of 90',
|
|
},
|
|
|
|
|
|
// ----------------------------------
|
|
// shear
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Degrees X',
|
|
name: 'degreesX',
|
|
type: 'number',
|
|
default: 0,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'shear',
|
|
],
|
|
},
|
|
},
|
|
description: 'X (horizontal) shear degrees',
|
|
},
|
|
{
|
|
displayName: 'Degrees Y',
|
|
name: 'degreesY',
|
|
type: 'number',
|
|
default: 0,
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'shear',
|
|
],
|
|
},
|
|
},
|
|
description: 'Y (vertical) shear degrees',
|
|
},
|
|
|
|
|
|
// ----------------------------------
|
|
// transparent
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Color',
|
|
name: 'color',
|
|
type: 'color',
|
|
default: '#ff0000',
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'transparent',
|
|
],
|
|
},
|
|
},
|
|
description: 'The color to make transparent',
|
|
},
|
|
];
|
|
|
|
|
|
export class EditImage implements INodeType {
|
|
description: INodeTypeDescription = {
|
|
displayName: 'Edit Image',
|
|
name: 'editImage',
|
|
icon: 'fa:image',
|
|
group: ['transform'],
|
|
version: 1,
|
|
description: 'Edits an image like blur, resize or adding border and text',
|
|
defaults: {
|
|
name: 'Edit Image',
|
|
color: '#553399',
|
|
},
|
|
inputs: ['main'],
|
|
outputs: ['main'],
|
|
properties: [
|
|
{
|
|
displayName: 'Operation',
|
|
name: 'operation',
|
|
type: 'options',
|
|
noDataExpression: true,
|
|
options: [
|
|
{
|
|
name: 'Get Information',
|
|
value: 'information',
|
|
description: 'Returns image information like resolution',
|
|
},
|
|
{
|
|
name: 'Multi Step',
|
|
value: 'multiStep',
|
|
description: 'Perform multiple operations',
|
|
},
|
|
...nodeOperations,
|
|
].sort((a, b) => {
|
|
if ((a as INodePropertyOptions).name.toLowerCase() < (b as INodePropertyOptions).name.toLowerCase()) { return -1; }
|
|
if ((a as INodePropertyOptions).name.toLowerCase() > (b as INodePropertyOptions).name.toLowerCase()) { return 1; }
|
|
return 0;
|
|
}) as INodePropertyOptions[],
|
|
default: 'border',
|
|
},
|
|
{
|
|
displayName: 'Property Name',
|
|
name: 'dataPropertyName',
|
|
type: 'string',
|
|
default: 'data',
|
|
description: 'Name of the binary property in which the image data can be found',
|
|
},
|
|
|
|
|
|
// ----------------------------------
|
|
// multiStep
|
|
// ----------------------------------
|
|
{
|
|
displayName: 'Operations',
|
|
name: 'operations',
|
|
placeholder: 'Add Operation',
|
|
type: 'fixedCollection',
|
|
typeOptions: {
|
|
multipleValues: true,
|
|
sortable: true,
|
|
},
|
|
displayOptions: {
|
|
show: {
|
|
operation: [
|
|
'multiStep',
|
|
],
|
|
},
|
|
},
|
|
description: 'The operations to perform',
|
|
default: {},
|
|
options: [
|
|
{
|
|
name: 'operations',
|
|
displayName: 'Operations',
|
|
values: [
|
|
{
|
|
displayName: 'Operation',
|
|
name: 'operation',
|
|
type: 'options',
|
|
noDataExpression: true,
|
|
options: nodeOperations,
|
|
default: '',
|
|
},
|
|
...nodeOperationOptions,
|
|
{
|
|
displayName: 'Font Name or ID',
|
|
name: 'font',
|
|
type: 'options',
|
|
displayOptions: {
|
|
show: {
|
|
'operation': [
|
|
'text',
|
|
],
|
|
},
|
|
},
|
|
typeOptions: {
|
|
loadOptionsMethod: 'getFonts',
|
|
},
|
|
default: 'default',
|
|
description: 'The font to use. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/nodes/expressions.html#expressions">expression</a>.',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
},
|
|
|
|
...nodeOperationOptions,
|
|
{
|
|
displayName: 'Options',
|
|
name: 'options',
|
|
type: 'collection',
|
|
placeholder: 'Add Option',
|
|
default: {},
|
|
displayOptions: {
|
|
hide: {
|
|
operation: [
|
|
'information',
|
|
],
|
|
},
|
|
},
|
|
options: [
|
|
{
|
|
displayName: 'File Name',
|
|
name: 'fileName',
|
|
type: 'string',
|
|
default: '',
|
|
description: 'File name to set in binary data',
|
|
},
|
|
{
|
|
displayName: 'Font Name or ID',
|
|
name: 'font',
|
|
type: 'options',
|
|
displayOptions: {
|
|
show: {
|
|
'/operation': [
|
|
'text',
|
|
],
|
|
},
|
|
},
|
|
typeOptions: {
|
|
loadOptionsMethod: 'getFonts',
|
|
},
|
|
default: 'default',
|
|
description: 'The font to use. Choose from the list, or specify an ID using an <a href="https://docs.n8n.io/nodes/expressions.html#expressions">expression</a>.',
|
|
},
|
|
{
|
|
displayName: 'Format',
|
|
name: 'format',
|
|
type: 'options',
|
|
options: [
|
|
{
|
|
name: 'bmp',
|
|
value: 'bmp',
|
|
},
|
|
{
|
|
name: 'gif',
|
|
value: 'gif',
|
|
},
|
|
{
|
|
name: 'jpeg',
|
|
value: 'jpeg',
|
|
},
|
|
{
|
|
name: 'png',
|
|
value: 'png',
|
|
},
|
|
{
|
|
name: 'tiff',
|
|
value: 'tiff',
|
|
},
|
|
],
|
|
default: 'jpeg',
|
|
description: 'Set the output image format',
|
|
},
|
|
{
|
|
displayName: 'Quality',
|
|
name: 'quality',
|
|
type: 'number',
|
|
typeOptions: {
|
|
minValue: 0,
|
|
maxValue: 100,
|
|
},
|
|
default: 100,
|
|
displayOptions: {
|
|
show: {
|
|
format: [
|
|
'jpeg',
|
|
'png',
|
|
'tiff',
|
|
],
|
|
},
|
|
},
|
|
description: 'Sets the jpeg|png|tiff compression level from 0 to 100 (best)',
|
|
},
|
|
],
|
|
},
|
|
],
|
|
};
|
|
|
|
|
|
methods = {
|
|
loadOptions: {
|
|
async getFonts(this: ILoadOptionsFunctions): Promise<INodePropertyOptions[]> {
|
|
|
|
// @ts-ignore
|
|
const files = await getSystemFonts();
|
|
const returnData: INodePropertyOptions[] = [];
|
|
|
|
files.forEach((file: string) => {
|
|
const pathParts = pathParse(file);
|
|
if (!pathParts.ext) {
|
|
return;
|
|
}
|
|
|
|
returnData.push({
|
|
name: pathParts.name,
|
|
value: file,
|
|
});
|
|
});
|
|
|
|
returnData.sort((a, b) => {
|
|
if (a.name < b.name) { return -1; }
|
|
if (a.name > b.name) { return 1; }
|
|
return 0;
|
|
});
|
|
|
|
returnData.unshift({
|
|
name: 'default',
|
|
value: 'default',
|
|
});
|
|
|
|
return returnData;
|
|
},
|
|
|
|
},
|
|
};
|
|
|
|
async execute(this: IExecuteFunctions): Promise<INodeExecutionData[][]> {
|
|
const items = this.getInputData();
|
|
|
|
const returnData: INodeExecutionData[] = [];
|
|
const length = items.length;
|
|
let item: INodeExecutionData;
|
|
|
|
for (let itemIndex = 0; itemIndex < length; itemIndex++) {
|
|
|
|
try {
|
|
|
|
item = items[itemIndex];
|
|
|
|
|
|
const operation = this.getNodeParameter('operation', itemIndex) as string;
|
|
const dataPropertyName = this.getNodeParameter('dataPropertyName', itemIndex) as string;
|
|
|
|
const options = this.getNodeParameter('options', itemIndex,{}) as IDataObject;
|
|
|
|
const cleanupFunctions: Array<() => void> = [];
|
|
|
|
let gmInstance: gm.State;
|
|
|
|
const requiredOperationParameters: {
|
|
[key: string]: string[],
|
|
} = {
|
|
blur: [
|
|
'blur',
|
|
'sigma',
|
|
],
|
|
border: [
|
|
'borderColor',
|
|
'borderWidth',
|
|
'borderHeight',
|
|
],
|
|
create: [
|
|
'backgroundColor',
|
|
'height',
|
|
'width',
|
|
],
|
|
crop: [
|
|
'height',
|
|
'positionX',
|
|
'positionY',
|
|
'width',
|
|
],
|
|
composite: [
|
|
'dataPropertyNameComposite',
|
|
'operator',
|
|
'positionX',
|
|
'positionY',
|
|
],
|
|
draw: [
|
|
'color',
|
|
'cornerRadius',
|
|
'endPositionX',
|
|
'endPositionY',
|
|
'primitive',
|
|
'startPositionX',
|
|
'startPositionY',
|
|
],
|
|
information: [],
|
|
resize: [
|
|
'height',
|
|
'resizeOption',
|
|
'width',
|
|
],
|
|
rotate: [
|
|
'backgroundColor',
|
|
'rotate',
|
|
],
|
|
shear: [
|
|
'degreesX',
|
|
'degreesY',
|
|
],
|
|
text: [
|
|
'font',
|
|
'fontColor',
|
|
'fontSize',
|
|
'lineLength',
|
|
'positionX',
|
|
'positionY',
|
|
'text',
|
|
],
|
|
};
|
|
|
|
let operations: IDataObject[] = [];
|
|
if (operation === 'multiStep') {
|
|
// Operation parameters are already in the correct format
|
|
const operationsData = this.getNodeParameter('operations', itemIndex ,{ operations: [] }) as IDataObject;
|
|
operations = operationsData.operations as IDataObject[];
|
|
} else {
|
|
// Operation parameters have to first get collected
|
|
const operationParameters: IDataObject = {};
|
|
requiredOperationParameters[operation].forEach(parameterName => {
|
|
try {
|
|
operationParameters[parameterName] = this.getNodeParameter(parameterName, itemIndex);
|
|
} catch (error) {}
|
|
});
|
|
|
|
operations = [
|
|
{
|
|
operation,
|
|
...operationParameters,
|
|
},
|
|
];
|
|
}
|
|
|
|
if (operations[0].operation !== 'create') {
|
|
// "create" generates a new image so does not require any incoming data.
|
|
if (item.binary === undefined) {
|
|
throw new NodeOperationError(this.getNode(), 'Item does not contain any binary data.', { itemIndex });
|
|
}
|
|
|
|
if (item.binary[dataPropertyName as string] === undefined) {
|
|
throw new NodeOperationError(this.getNode(), `Item does not contain any binary data with the name "${dataPropertyName}".`, { itemIndex });
|
|
}
|
|
|
|
const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(itemIndex, dataPropertyName);
|
|
gmInstance = gm(binaryDataBuffer);
|
|
gmInstance = gmInstance.background('transparent');
|
|
}
|
|
|
|
const newItem: INodeExecutionData = {
|
|
json: item.json,
|
|
binary: {},
|
|
pairedItem: {
|
|
item: itemIndex,
|
|
},
|
|
};
|
|
|
|
if (operation === 'information') {
|
|
// Just return the information
|
|
const imageData = await new Promise<IDataObject>((resolve, reject) => {
|
|
gmInstance = gmInstance.identify((error, imageData) => {
|
|
if (error) {
|
|
reject(error);
|
|
return;
|
|
}
|
|
resolve(imageData as unknown as IDataObject);
|
|
});
|
|
});
|
|
|
|
newItem.json = imageData;
|
|
}
|
|
|
|
for (let i = 0; i < operations.length; i++) {
|
|
const operationData = operations[i];
|
|
if (operationData.operation === 'blur') {
|
|
gmInstance = gmInstance!.blur(operationData.blur as number, operationData.sigma as number);
|
|
} else if (operationData.operation === 'border') {
|
|
gmInstance = gmInstance!.borderColor(operationData.borderColor as string).border(operationData.borderWidth as number, operationData.borderHeight as number);
|
|
} else if (operationData.operation === 'composite') {
|
|
const positionX = operationData.positionX as number;
|
|
const positionY = operationData.positionY as number;
|
|
const operator = operationData.operator as string;
|
|
|
|
const geometryString = (positionX >= 0 ? '+' : '') + positionX + (positionY >= 0 ? '+' : '') + positionY;
|
|
|
|
if (item.binary![operationData.dataPropertyNameComposite as string] === undefined) {
|
|
throw new NodeOperationError(this.getNode(), `Item does not contain any binary data with the name "${operationData.dataPropertyNameComposite}".`, { itemIndex });
|
|
}
|
|
|
|
const { fd, path, cleanup } = await file();
|
|
cleanupFunctions.push(cleanup);
|
|
const binaryDataBuffer = await this.helpers.getBinaryDataBuffer(itemIndex, operationData.dataPropertyNameComposite as string);
|
|
await fsWriteFileAsync(fd, binaryDataBuffer);
|
|
|
|
if (operations[0].operation === 'create') {
|
|
// It seems like if the image gets created newly we have to create a new gm instance
|
|
// else it fails for some reason
|
|
gmInstance = gm(gmInstance!.stream('png')).compose(operator).geometry(geometryString).composite(path);
|
|
} else {
|
|
gmInstance = gmInstance!.compose(operator).geometry(geometryString).composite(path);
|
|
}
|
|
|
|
if (operations.length !== i + 1) {
|
|
// If there are other operations after the current one create a new gm instance
|
|
// because else things do get messed up
|
|
gmInstance = gm(gmInstance.stream());
|
|
}
|
|
} else if (operationData.operation === 'create') {
|
|
gmInstance = gm(operationData.width as number, operationData.height as number, operationData.backgroundColor as string);
|
|
if (!options.format) {
|
|
options.format = 'png';
|
|
}
|
|
} else if (operationData.operation === 'crop') {
|
|
gmInstance = gmInstance!.crop(operationData.width as number, operationData.height as number, operationData.positionX as number, operationData.positionY as number);
|
|
} else if (operationData.operation === 'draw') {
|
|
gmInstance = gmInstance!.fill(operationData.color as string);
|
|
|
|
if (operationData.primitive === 'line') {
|
|
gmInstance = gmInstance.drawLine(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number);
|
|
} else if (operationData.primitive === 'circle') {
|
|
gmInstance = gmInstance.drawCircle(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number);
|
|
} else if (operationData.primitive === 'rectangle') {
|
|
gmInstance = gmInstance.drawRectangle(operationData.startPositionX as number, operationData.startPositionY as number, operationData.endPositionX as number, operationData.endPositionY as number, operationData.cornerRadius as number || undefined);
|
|
}
|
|
} else if (operationData.operation === 'resize') {
|
|
const resizeOption = operationData.resizeOption as string;
|
|
|
|
// By default use "maximumArea"
|
|
let option: gm.ResizeOption = '@';
|
|
if (resizeOption === 'ignoreAspectRatio') {
|
|
option = '!';
|
|
} else if (resizeOption === 'minimumArea') {
|
|
option = '^';
|
|
} else if (resizeOption === 'onlyIfSmaller') {
|
|
option = '<';
|
|
} else if (resizeOption === 'onlyIfLarger') {
|
|
option = '>';
|
|
} else if (resizeOption === 'percent') {
|
|
option = '%';
|
|
}
|
|
|
|
gmInstance = gmInstance!.resize(operationData.width as number, operationData.height as number, option);
|
|
} else if (operationData.operation === 'rotate') {
|
|
gmInstance = gmInstance!.rotate(operationData.backgroundColor as string, operationData.rotate as number);
|
|
} else if (operationData.operation === 'shear') {
|
|
gmInstance = gmInstance!.shear(operationData.degreesX as number, operationData.degreesY as number);
|
|
} else if (operationData.operation === 'text') {
|
|
// Split the text in multiple lines
|
|
const lines: string[] = [];
|
|
let currentLine = '';
|
|
(operationData.text as string).split('\n').forEach((textLine: string) => {
|
|
textLine.split(' ').forEach((textPart: string) => {
|
|
if ((currentLine.length + textPart.length + 1) > (operationData.lineLength as number)) {
|
|
lines.push(currentLine.trim());
|
|
currentLine = `${textPart} `;
|
|
return;
|
|
}
|
|
currentLine += `${textPart} `;
|
|
});
|
|
|
|
lines.push(currentLine.trim());
|
|
currentLine = '';
|
|
});
|
|
|
|
// Combine the lines to a single string
|
|
const renderText = lines.join('\n');
|
|
|
|
const font = options.font || operationData.font;
|
|
|
|
if (font && font !== 'default') {
|
|
gmInstance = gmInstance!.font(font as string);
|
|
}
|
|
|
|
gmInstance = gmInstance!
|
|
.fill(operationData.fontColor as string)
|
|
.fontSize(operationData.fontSize as number)
|
|
.drawText(operationData.positionX as number, operationData.positionY as number, renderText);
|
|
} else if (operationData.operation === 'transparent') {
|
|
gmInstance = gmInstance!.transparent(operationData.color as string);
|
|
}
|
|
}
|
|
|
|
if (item.binary !== undefined) {
|
|
// Create a shallow copy of the binary data so that the old
|
|
// data references which do not get changed still stay behind
|
|
// but the incoming data does not get changed.
|
|
Object.assign(newItem.binary, item.binary);
|
|
// Make a deep copy of the binary data we change
|
|
if (newItem.binary![dataPropertyName as string]) {
|
|
newItem.binary![dataPropertyName as string] = JSON.parse(JSON.stringify(newItem.binary![dataPropertyName as string]));
|
|
}
|
|
}
|
|
|
|
if (newItem.binary![dataPropertyName as string] === undefined) {
|
|
newItem.binary![dataPropertyName as string] = {
|
|
data: '',
|
|
mimeType: '',
|
|
};
|
|
}
|
|
|
|
if (options.quality !== undefined) {
|
|
gmInstance = gmInstance!.quality(options.quality as number);
|
|
}
|
|
|
|
if (options.format !== undefined) {
|
|
gmInstance = gmInstance!.setFormat(options.format as string);
|
|
newItem.binary![dataPropertyName as string].fileExtension = options.format as string;
|
|
newItem.binary![dataPropertyName as string].mimeType = `image/${options.format}`;
|
|
const fileName = newItem.binary![dataPropertyName as string].fileName;
|
|
if (fileName && fileName.includes('.')) {
|
|
newItem.binary![dataPropertyName as string].fileName = fileName.split('.').slice(0, -1).join('.') + '.' + options.format;
|
|
}
|
|
}
|
|
|
|
if (options.fileName !== undefined) {
|
|
newItem.binary![dataPropertyName as string].fileName = options.fileName as string;
|
|
}
|
|
|
|
returnData.push(await (new Promise<INodeExecutionData>((resolve, reject) => {
|
|
gmInstance
|
|
.toBuffer(async (error: Error | null, buffer: Buffer) => {
|
|
cleanupFunctions.forEach(async cleanup => await cleanup());
|
|
|
|
if (error) {
|
|
return reject(error);
|
|
}
|
|
|
|
const binaryData = await this.helpers.prepareBinaryData(Buffer.from(buffer));
|
|
newItem.binary![dataPropertyName as string] = {
|
|
...newItem.binary![dataPropertyName as string], ...binaryData,
|
|
};
|
|
|
|
return resolve(newItem);
|
|
});
|
|
})));
|
|
|
|
} catch (error) {
|
|
if (this.continueOnFail()) {
|
|
returnData.push({
|
|
json: {
|
|
error: error.message,
|
|
},
|
|
pairedItem: {
|
|
item: itemIndex,
|
|
},
|
|
});
|
|
continue;
|
|
}
|
|
throw error;
|
|
}
|
|
}
|
|
return this.prepareOutputData(returnData);
|
|
}
|
|
}
|