# Using template placeholder values in text shapes We can use the [preprocessImageState](../../api/image-editor/exports/#preprocessimagestate) hook exposed by the `createDefaultImageWriter` function to automatically replace placeholder values with real values when creating the output image. * [ ![](/pintura/static/assets/technologies-mono/javascript.svg)JavaScript](#javascript-panel-0) * [ ![](/pintura/static/assets/technologies-mono/react.svg)React](#react-panel-0) * [ ![](/pintura/static/assets/technologies-mono/vue.svg)Vue](#vue-panel-0) * [ ![](/pintura/static/assets/technologies-mono/svelte.svg)Svelte](#svelte-panel-0) * [ ![](/pintura/static/assets/technologies-mono/angular.svg)Angular](#angular-panel-0) * [ ![](/pintura/static/assets/technologies-mono/jquery.svg)jQuery](#jquery-panel-0) * [index.html](#index-html-panel-0) ```html
``` * [App.jsx](#App-jsx-panel-0) * [App.css](#App-css-panel-0) ```jsx import '@pqina/pintura/pintura.css'; import './App.css'; import { useState } from 'react'; import { PinturaEditor } from '@pqina/react-pintura'; import { processImage, getEditorDefaults } from '@pqina/pintura'; const editorDefaults = getEditorDefaults({ imageWriter: { targetSize: { width: 512, height: 512, fit: 'contain', }, preprocessImageState: (imageState) => { // Create new annotation array imageState.annotation = imageState.annotation.map((shape) => { // This is not a text shape so skip if (!shape.text) return shape; // Replace placeholders in text properties shape.text = shape.text.replace(/{name}/g, 'John Connor'); return shape; }); // Return updated image state return imageState; }, }, }); function App() { const [editorResult, setEditorResult] = useState(undefined); const handleEditorProcess = (imageState) => { setEditorResult(URL.createObjectURL(imageState.dest)); }; return (
{editorResult && }
); } export default App; ``` ```css .pintura-editor { height: 600px; } ``` * [App.vue](#App-vue-panel-0) ```html ``` * [App.svelte](#App-svelte-panel-0) ```svelte
{#if editorResult} {/if}
``` * [app.component.ts](#app-component-ts-panel-0) * [app.component.html](#app-component-html-panel-0) * [app.component.css](#app-component-css-panel-0) * [app.module.ts](#app-module-ts-panel-0) ```javascript import { Component } from '@angular/core'; import { DomSanitizer } from '@angular/platform-browser'; import { processImage, getEditorDefaults } from '@pqina/pintura'; @Component({ selector: 'app-root', templateUrl: './app.component.html', styleUrls: ['./app.component.css'], }) export class AppComponent { constructor(private domSanitizer: DomSanitizer) {} editorResult?: string = undefined; editorDefaults: any = getEditorDefaults({ imageWriter: { targetSize: { width: 512, height: 512, fit: 'contain', }, preprocessImageState: (imageState) => { // Create new annotation array imageState.annotation = imageState.annotation.map((shape) => { // This is not a text shape so skip if (!shape.text) return shape; // Replace placeholders in text properties shape.text = shape.text.replace(/{name}/g, 'John Connor'); return shape; }); // Return updated image state return imageState; }, }, }); imageAnnotation: any = [ { x: 128, y: 128, fontSize: 96, fontWeight: 'bold', color: [1, 1, 1], // We'll replace {name} when processing the image text: 'Hello {name}', }, ]; handleEditorProcess(imageState: any): void { this.editorResult = ( this.domSanitizer.bypassSecurityTrustResourceUrl( URL.createObjectURL(imageState.dest) ) ); } } ``` ```html ``` ```css ::ng-deep .pintura-editor { height: 600px; } ``` ```javascript import { BrowserModule } from '@angular/platform-browser'; import { NgModule } from '@angular/core'; import { AppComponent } from './app.component'; import { AngularPinturaModule } from '@pqina/angular-pintura'; @NgModule({ declarations: [AppComponent], imports: [BrowserModule, AngularPinturaModule], exports: [AppComponent], providers: [], bootstrap: [AppComponent], }) export class AppModule {} ``` * [index.html](#index-html-panel-0) ```html
```