From d2acde3e818bcc74659f337b8b9853160b5869d6 Mon Sep 17 00:00:00 2001
From: omenmn <ormomenm@gmail.com>
Date: Sat, 21 Jun 2025 14:40:01 +0530
Subject: [PATCH] created pdf to png tool

---
 package-lock.json                             |   8 +-
 package.json                                  |   2 +-
 src/components/result/ToolMultiFileResult.tsx | 152 ++++++++++++++++++
 src/pages/tools/pdf/pdf-to-png/index.tsx      |  98 +++++------
 .../pdf/pdf-to-png/pdf-to-png.service.test.ts |   6 -
 src/pages/tools/pdf/pdf-to-png/service.ts     |  52 +++++-
 src/pages/tools/pdf/pdf-to-png/types.ts       |   3 -
 7 files changed, 259 insertions(+), 62 deletions(-)
 create mode 100644 src/components/result/ToolMultiFileResult.tsx
 delete mode 100644 src/pages/tools/pdf/pdf-to-png/pdf-to-png.service.test.ts
 delete mode 100644 src/pages/tools/pdf/pdf-to-png/types.ts

diff --git a/package-lock.json b/package-lock.json
index e501cc8..ff64e27 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -39,7 +39,7 @@
         "notistack": "^3.0.1",
         "omggif": "^1.0.10",
         "pdf-lib": "^1.17.1",
-        "pdfjs-dist": "^5.2.133",
+        "pdfjs-dist": "^5.3.31",
         "playwright": "^1.45.0",
         "qrcode": "^1.5.4",
         "rc-slider": "^11.1.8",
@@ -8680,9 +8680,9 @@
       "license": "0BSD"
     },
     "node_modules/pdfjs-dist": {
-      "version": "5.2.133",
-      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-5.2.133.tgz",
-      "integrity": "sha512-abE6ZWDxztt+gGFzfm4bX2ggfxUk9wsDEoFzIJm9LozaY3JdXR7jyLK4Bjs+XLXplCduuWS1wGhPC4tgTn/kzg==",
+      "version": "5.3.31",
+      "resolved": "https://registry.npmjs.org/pdfjs-dist/-/pdfjs-dist-5.3.31.tgz",
+      "integrity": "sha512-EhPdIjNX0fcdwYQO+e3BAAJPXt+XI29TZWC7COhIXs/K0JHcUt1Gdz1ITpebTwVMFiLsukdUZ3u0oTO7jij+VA==",
       "license": "Apache-2.0",
       "engines": {
         "node": ">=20.16.0 || >=22.3.0"
diff --git a/package.json b/package.json
index ed7ebcf..6adcd2e 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
     "notistack": "^3.0.1",
     "omggif": "^1.0.10",
     "pdf-lib": "^1.17.1",
-    "pdfjs-dist": "^5.2.133",
+    "pdfjs-dist": "^5.3.31",
     "playwright": "^1.45.0",
     "qrcode": "^1.5.4",
     "rc-slider": "^11.1.8",
diff --git a/src/components/result/ToolMultiFileResult.tsx b/src/components/result/ToolMultiFileResult.tsx
new file mode 100644
index 0000000..bba516b
--- /dev/null
+++ b/src/components/result/ToolMultiFileResult.tsx
@@ -0,0 +1,152 @@
+import {
+  Box,
+  CircularProgress,
+  Typography,
+  useTheme,
+  Button
+} from '@mui/material';
+import InputHeader from '../InputHeader';
+import greyPattern from '@assets/grey-pattern.png';
+import { globalInputHeight } from '../../config/uiConfig';
+import ResultFooter from './ResultFooter';
+
+export default function ToolFileResult({
+  title = 'Result',
+  value,
+  zipFile,
+  loading,
+  loadingText
+}: {
+  title?: string;
+  value: File[];
+  zipFile?: File | null;
+  loading?: boolean;
+  loadingText?: string;
+}) {
+  const theme = useTheme();
+
+  const getFileType = (
+    file: File
+  ): 'image' | 'video' | 'audio' | 'pdf' | 'unknown' => {
+    if (file.type.startsWith('image/')) return 'image';
+    if (file.type.startsWith('video/')) return 'video';
+    if (file.type.startsWith('audio/')) return 'audio';
+    if (file.type.startsWith('application/pdf')) return 'pdf';
+    return 'unknown';
+  };
+
+  const handleDownload = (file: File) => {
+    const url = URL.createObjectURL(file);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = file.name;
+    document.body.appendChild(a);
+    a.click();
+    document.body.removeChild(a);
+    URL.revokeObjectURL(url);
+  };
+
+  return (
+    <Box>
+      <InputHeader title={title} />
+
+      <Box
+        sx={{
+          width: '100%',
+          maxHeight: globalInputHeight,
+          overflowY: 'auto',
+          display: 'flex',
+          flexDirection: 'column',
+          gap: 2,
+          border: 1,
+          borderRadius: 2,
+          boxShadow: '5',
+          bgcolor: 'background.paper',
+          p: 2
+        }}
+      >
+        {loading ? (
+          <Box
+            sx={{
+              display: 'flex',
+              flexDirection: 'column',
+              alignItems: 'center',
+              justifyContent: 'center',
+              height: globalInputHeight
+            }}
+          >
+            <CircularProgress />
+            <Typography variant="body2" sx={{ mt: 2 }}>
+              {loadingText}... This may take a moment.
+            </Typography>
+          </Box>
+        ) : value.length > 0 ? (
+          value.map((file, idx) => {
+            const preview = URL.createObjectURL(file);
+            const fileType = getFileType(file);
+
+            return (
+              <Box
+                key={idx}
+                sx={{
+                  backgroundImage:
+                    fileType === 'image' && theme.palette.mode !== 'dark'
+                      ? `url(${greyPattern})`
+                      : 'none',
+                  p: 1,
+                  border: '1px solid #ddd',
+                  borderRadius: 2
+                }}
+              >
+                {fileType === 'image' && (
+                  <img
+                    src={preview}
+                    alt={`Preview ${idx}`}
+                    style={{ maxWidth: '100%', maxHeight: 300 }}
+                  />
+                )}
+                {fileType === 'video' && (
+                  <video src={preview} controls style={{ maxWidth: '100%' }} />
+                )}
+                {fileType === 'audio' && (
+                  <audio src={preview} controls style={{ width: '100%' }} />
+                )}
+                {fileType === 'pdf' && (
+                  <iframe src={preview} width="100%" height="400px" />
+                )}
+                {fileType === 'unknown' && (
+                  <Typography>File ready. Click below to download.</Typography>
+                )}
+                <Button
+                  onClick={() => handleDownload(file)}
+                  size="small"
+                  sx={{ mt: 1 }}
+                  variant="outlined"
+                >
+                  Download {file.name}
+                </Button>
+              </Box>
+            );
+          })
+        ) : (
+          <Typography>No output available yet.</Typography>
+        )}
+      </Box>
+
+      {zipFile && (
+        <Box sx={{ mt: 2, textAlign: 'center' }}>
+          <Button variant="contained" onClick={() => handleDownload(zipFile)}>
+            Download All as ZIP
+          </Button>
+        </Box>
+      )}
+
+      <ResultFooter
+        disabled
+        hideCopy
+        handleCopy={() => {}}
+        handleDownload={() => {}}
+      />
+    </Box>
+  );
+}
diff --git a/src/pages/tools/pdf/pdf-to-png/index.tsx b/src/pages/tools/pdf/pdf-to-png/index.tsx
index 05add93..d06a61c 100644
--- a/src/pages/tools/pdf/pdf-to-png/index.tsx
+++ b/src/pages/tools/pdf/pdf-to-png/index.tsx
@@ -1,62 +1,70 @@
-import { Box } from '@mui/material';
-import React, { useState } from 'react';
+import { useState } from 'react';
 import ToolContent from '@components/ToolContent';
+import ToolPdfInput from '@components/input/ToolPdfInput';
 import { ToolComponentProps } from '@tools/defineTool';
-import ToolTextInput from '@components/input/ToolTextInput';
-import ToolTextResult from '@components/result/ToolTextResult';
-import { GetGroupsType } from '@components/options/ToolOptions';
-import { CardExampleType } from '@components/examples/ToolExamples';
-import { main } from './service';
-import { InitialValuesType } from './types';
+import { convertPdfToPngImages } from './service';
+import ToolMultiFileResult from '@components/result/ToolMultiFileResult';
 
-const initialValues: InitialValuesType = {
-  // splitSeparator: '\n'
+type ImagePreview = {
+  blob: Blob;
+  url: string;
+  filename: string;
 };
 
-const exampleCards: CardExampleType<InitialValuesType>[] = [
-  {
-    title: 'Split a String',
-    description: 'This example shows how to split a string into multiple lines',
-    sampleText: 'Hello World,Hello World',
-    sampleResult: `Hello World
-Hello World`,
-    sampleOptions: {
-      //     splitSeparator: ','
-    }
-  }
-];
-export default function PdfToPng({
-  title,
-  longDescription
-}: ToolComponentProps) {
-  const [input, setInput] = useState<string>('');
-  const [result, setResult] = useState<string>('');
+export default function PdfToPng({ title }: ToolComponentProps) {
+  const [input, setInput] = useState<File | null>(null);
+  const [images, setImages] = useState<ImagePreview[]>([]);
+  const [zipBlob, setZipBlob] = useState<File | null>(null);
+  const [loading, setLoading] = useState(false);
 
-  const compute = (values: InitialValuesType, input: string) => {
-    setResult(main(input, values));
+  const compute = async (_: {}, file: File | null) => {
+    if (!file) return;
+    setLoading(true);
+    setImages([]);
+    setZipBlob(null);
+    try {
+      const { images, zipFile } = await convertPdfToPngImages(file);
+      setImages(images);
+      setZipBlob(zipFile);
+    } catch (err) {
+      console.error('Conversion failed:', err);
+    } finally {
+      setLoading(false);
+    }
   };
 
-  const getGroups: GetGroupsType<InitialValuesType> | null = ({
-    values,
-    updateField
-  }) => [
-    {
-      title: 'Example Settings',
-      component: <Box></Box>
-    }
-  ];
   return (
     <ToolContent
       title={title}
       input={input}
-      inputComponent={<ToolTextInput value={input} onChange={setInput} />}
-      resultComponent={<ToolTextResult value={result} />}
-      initialValues={initialValues}
-      exampleCards={exampleCards}
-      getGroups={getGroups}
       setInput={setInput}
+      initialValues={{}}
       compute={compute}
-      toolInfo={{ title: `What is a ${title}?`, description: longDescription }}
+      inputComponent={
+        <ToolPdfInput
+          value={input}
+          onChange={setInput}
+          accept={['application/pdf']}
+          title="Upload a PDF"
+        />
+      }
+      resultComponent={
+        <ToolMultiFileResult
+          title="Converted PNG Pages"
+          value={images.map((img) => {
+            return new File([img.blob], img.filename, { type: 'image/png' });
+          })}
+          zipFile={zipBlob}
+          loading={loading}
+          loadingText="Converting PDF pages"
+        />
+      }
+      getGroups={null}
+      toolInfo={{
+        title: 'Convert PDF pages into PNG images',
+        description:
+          'Upload your PDF and get each page rendered as a high-quality PNG. You can preview, download individually, or get all images in a ZIP.'
+      }}
     />
   );
 }
diff --git a/src/pages/tools/pdf/pdf-to-png/pdf-to-png.service.test.ts b/src/pages/tools/pdf/pdf-to-png/pdf-to-png.service.test.ts
deleted file mode 100644
index 5e7ff29..0000000
--- a/src/pages/tools/pdf/pdf-to-png/pdf-to-png.service.test.ts
+++ /dev/null
@@ -1,6 +0,0 @@
-import { expect, describe, it } from 'vitest';
-// import { main } from './service';
-//
-// describe('pdf-to-png', () => {
-//
-// })
diff --git a/src/pages/tools/pdf/pdf-to-png/service.ts b/src/pages/tools/pdf/pdf-to-png/service.ts
index 38333df..988bb57 100644
--- a/src/pages/tools/pdf/pdf-to-png/service.ts
+++ b/src/pages/tools/pdf/pdf-to-png/service.ts
@@ -1,5 +1,51 @@
-import { InitialValuesType } from './types';
+import * as pdfjsLib from 'pdfjs-dist';
+import pdfjsWorker from 'pdfjs-dist/build/pdf.worker.min?url';
+import JSZip from 'jszip';
 
-export function main(input: string, options: InitialValuesType): string {
-  return input;
+pdfjsLib.GlobalWorkerOptions.workerSrc = pdfjsWorker;
+
+type ImagePreview = {
+  blob: Blob;
+  url: string;
+  filename: string;
+};
+
+export async function convertPdfToPngImages(pdfFile: File): Promise<{
+  images: ImagePreview[];
+  zipFile: File;
+}> {
+  const arrayBuffer = await pdfFile.arrayBuffer();
+  const pdf = await pdfjsLib.getDocument({ data: arrayBuffer }).promise;
+  const zip = new JSZip();
+  const images: ImagePreview[] = [];
+
+  for (let i = 1; i <= pdf.numPages; i++) {
+    const page = await pdf.getPage(i);
+    const viewport = page.getViewport({ scale: 2 });
+
+    const canvas = document.createElement('canvas');
+    const context = canvas.getContext('2d')!;
+    canvas.width = viewport.width;
+    canvas.height = viewport.height;
+
+    await page.render({ canvasContext: context, viewport }).promise;
+
+    const blob = await new Promise<Blob>((resolve) =>
+      canvas.toBlob((b) => b && resolve(b), 'image/png')
+    );
+
+    const filename = `page-${i}.png`;
+    const url = URL.createObjectURL(blob);
+    images.push({ blob, url, filename });
+    zip.file(filename, blob);
+  }
+
+  const zipBuffer = await zip.generateAsync({ type: 'arraybuffer' });
+  const zipFile = new File(
+    [zipBuffer],
+    pdfFile.name.replace(/\.pdf$/i, '-pages.zip'),
+    { type: 'application/zip' }
+  );
+
+  return { images, zipFile };
 }
diff --git a/src/pages/tools/pdf/pdf-to-png/types.ts b/src/pages/tools/pdf/pdf-to-png/types.ts
deleted file mode 100644
index d4135c9..0000000
--- a/src/pages/tools/pdf/pdf-to-png/types.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-export type InitialValuesType = {
-  // splitSeparator: string;
-};