{"id":26063261,"url":"https://github.com/jimmy-js/react-pdf-watermark","last_synced_at":"2025-04-11T11:50:26.476Z","repository":{"id":34471853,"uuid":"179483231","full_name":"Jimmy-JS/react-pdf-watermark","owner":"Jimmy-JS","description":"Provide react component for rendering PDF document with Watermark","archived":false,"fork":false,"pushed_at":"2022-12-03T04:44:11.000Z","size":173,"stargazers_count":7,"open_issues_count":7,"forks_count":2,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-03-29T08:02:45.797Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"","language":"JavaScript","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/Jimmy-JS.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2019-04-04T11:21:21.000Z","updated_at":"2025-01-17T12:44:32.000Z","dependencies_parsed_at":"2023-01-15T07:17:16.791Z","dependency_job_id":null,"html_url":"https://github.com/Jimmy-JS/react-pdf-watermark","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Jimmy-JS%2Freact-pdf-watermark","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Jimmy-JS%2Freact-pdf-watermark/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Jimmy-JS%2Freact-pdf-watermark/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Jimmy-JS%2Freact-pdf-watermark/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Jimmy-JS","download_url":"https://codeload.github.com/Jimmy-JS/react-pdf-watermark/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247962414,"owners_count":21024860,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2025-03-08T16:34:27.343Z","updated_at":"2025-04-11T11:50:26.457Z","avatar_url":"https://github.com/Jimmy-JS.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"# react-pdf-js\n\n`react-pdf-watermark` provides a component for rendering PDF documents using `mozilla/pdf.js` and ability to adding watermark to PDF. Written for React 15/16 and ES2015.\n\nThis package is originally built by `mikecousins/react-pdf-js` with a number of enhancement:\n* Added hook `onPageRenderComplete()` for determine whether the page is loaded onCanvas.\n* Watermark - For displaying watermark on top of original PDF.\n* Add check handler for duplicated canvas load.\n* Add custom pdf.worker file\n\n## Usage\n\nInstall with `npm install react-pdf-watermark`\n\n## Example\n\nUse it in your app (showing some basic pagination as well):\n\n```js\nimport React from 'react';\nimport PDF from 'react-pdf-watermark';\n\nclass MyPdfViewer extends React.Component {\n  state = {};\n\n  handlePrevious = () =\u003e {\n    this.setState({ page: this.state.page - 1 });\n  }\n\n  handleNext = () =\u003e {\n    this.setState({ page: this.state.page + 1 });\n  }\n\n  renderPagination = (page, pages) =\u003e {\n    let previousButton = \u003cli className=\"previous\" onClick={this.handlePrevious}\u003e\u003ca href=\"#\"\u003e\u003ci className=\"fa fa-arrow-left\"\u003e\u003c/i\u003e Previous\u003c/a\u003e\u003c/li\u003e;\n    if (page === 1) {\n      previousButton = \u003cli className=\"previous disabled\"\u003e\u003ca href=\"#\"\u003e\u003ci className=\"fa fa-arrow-left\"\u003e\u003c/i\u003e Previous\u003c/a\u003e\u003c/li\u003e;\n    }\n    let nextButton = \u003cli className=\"next\" onClick={this.handleNext}\u003e\u003ca href=\"#\"\u003eNext \u003ci className=\"fa fa-arrow-right\"\u003e\u003c/i\u003e\u003c/a\u003e\u003c/li\u003e;\n    if (page === pages) {\n      nextButton = \u003cli className=\"next disabled\"\u003e\u003ca href=\"#\"\u003eNext \u003ci className=\"fa fa-arrow-right\"\u003e\u003c/i\u003e\u003c/a\u003e\u003c/li\u003e;\n    }\n    return (\n      \u003cnav\u003e\n        \u003cul className=\"pager\"\u003e\n          {previousButton}\n          {nextButton}\n        \u003c/ul\u003e\n      \u003c/nav\u003e\n    );\n  }\n\n  render() {\n    let pagination = null;\n    if (this.state.pages) {\n      pagination = this.renderPagination(this.state.page, this.state.pages);\n    }\n    return (\n      \u003cdiv\u003e\n        \u003cPDF\n          file=\"test.pdf\"\n          page={this.state.page}\n          watermark=\"WATERMARK GOES HERE..\"\n          watermarkOptions={{\n            transparency: 0.5,\n            fontSize: 55,\n            fontStyle: 'Bold',\n            fontFamily: 'Arial'\n          }}\n          onDocumentComplete={ () =\u003e { /* Do anything on document loaded like remove loading, etc */ }}\n          onPageRenderComplete={(pages, page) =\u003e this.setState({ page, pages })}\n        /\u003e\n        {pagination}\n      \u003c/div\u003e\n    )\n  }\n}\n\nexport default MyPdfViewer;\n```\n\n## Custom Watermark Styling\n\nFor more watermark styling, you can customize it yourself by creating watermark render function that will receipt canvas and context as params.\n\n```js\n  ...\n\n  applyWatermark = (canvas, context) =\u003e {\n    context.globalAlpha = 0.15\n    context.font = '55px bold Arial'\n    context.translate(canvas.width / 2, canvas.height / 2)\n    context.rotate(-Math.atan(canvas.height / canvas.width)) // Rotate watermark to show diagonally\n\n    const text = 'Strictly Confidential. Not to be circulated'\n    metrics = context.measureText(text)\n    context.fillText(text, -metrics.width / 2, (55 / 2))\n  }\n\n  ...\n```\n\nAnd then apply it to your PDF component:\n```js\n  \u003cPDF\n    file=\"test.pdf\"\n    ...\n    watermark={this.applyWatermark}\n  /\u003e\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjimmy-js%2Freact-pdf-watermark","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjimmy-js%2Freact-pdf-watermark","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjimmy-js%2Freact-pdf-watermark/lists"}