49 lines
1.8 KiB
Java
49 lines
1.8 KiB
Java
package stirling.software.SPDF.controller;
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import java.io.IOException;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.http.HttpHeaders;
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import org.springframework.http.HttpStatus;
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import org.springframework.http.MediaType;
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import org.springframework.http.ResponseEntity;
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import org.springframework.stereotype.Controller;
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import org.springframework.ui.Model;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.multipart.MultipartFile;
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import stirling.software.SPDF.utils.PdfUtils;
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@Controller
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public class OverlayImageController {
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private static final Logger logger = LoggerFactory.getLogger(OverlayImageController.class);
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@GetMapping("/add-image")
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public String overlayImage(Model model) {
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model.addAttribute("currentPage", "add-image");
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return "add-image";
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}
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@PostMapping("/add-image")
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public ResponseEntity<byte[]> overlayImage(@RequestParam("fileInput") MultipartFile pdfFile,
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@RequestParam("fileInput2") MultipartFile imageFile, @RequestParam("x") float x,
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@RequestParam("y") float y) {
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try {
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byte[] pdfBytes = pdfFile.getBytes();
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byte[] imageBytes = imageFile.getBytes();
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byte[] result = PdfUtils.overlayImage(pdfBytes, imageBytes, x, y);
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HttpHeaders headers = new HttpHeaders();
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headers.setContentType(MediaType.APPLICATION_PDF);
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headers.setContentDispositionFormData("attachment", "overlayed.pdf");
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headers.setCacheControl("must-revalidate, post-check=0, pre-check=0");
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return new ResponseEntity<>(result, headers, HttpStatus.OK);
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} catch (IOException e) {
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logger.error("Failed to add image to PDF", e);
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return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
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}
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}
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}
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