commit for feature developing invert-replace color of a pdf for stirl… (#1982)

commit for feature developing invert-replace color of a pdf for stirling PDF

src/main/java/stirling/software/SPDF/controller/api/misc/ReplaceAndInvertColorController.java

@@ -0,0 +1,55 @@
+package stirling.software.SPDF.controller.api.misc;
+
+import java.io.IOException;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.core.io.InputStreamResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import io.swagger.v3.oas.annotations.Operation;
+
+import stirling.software.SPDF.model.api.misc.ReplaceAndInvertColorRequest;
+import stirling.software.SPDF.service.misc.ReplaceAndInvertColorService;
+
+@RestController
+@RequestMapping("/api/v1/misc")
+public class ReplaceAndInvertColorController {
+
+    private ReplaceAndInvertColorService replaceAndInvertColorService;
+
+    @Autowired
+    public ReplaceAndInvertColorController(
+            ReplaceAndInvertColorService replaceAndInvertColorService) {
+        this.replaceAndInvertColorService = replaceAndInvertColorService;
+    }
+
+    @PostMapping(consumes = "multipart/form-data", value = "/replace-invert-pdf")
+    @Operation(
+            summary = "Replace-Invert Color PDF",
+            description =
+                    "This endpoint accepts a PDF file and option of invert all colors or replace text and background colors. Input:PDF Output:PDF Type:SISO")
+    public ResponseEntity<InputStreamResource> replaceAndInvertColor(
+            @ModelAttribute ReplaceAndInvertColorRequest replaceAndInvertColorRequest)
+            throws IOException {
+
+        InputStreamResource resource =
+                replaceAndInvertColorService.replaceAndInvertColor(
+                        replaceAndInvertColorRequest.getFileInput(),
+                        replaceAndInvertColorRequest.getReplaceAndInvertOption(),
+                        replaceAndInvertColorRequest.getHighContrastColorCombination(),
+                        replaceAndInvertColorRequest.getBackGroundColor(),
+                        replaceAndInvertColorRequest.getTextColor());
+
+        // Return the modified PDF as a downloadable file
+        return ResponseEntity.ok()
+                .header(HttpHeaders.CONTENT_DISPOSITION, "attachment; filename=inverted.pdf")
+                .contentType(MediaType.APPLICATION_PDF)
+                .body(resource);
+    }
+}

src/main/java/stirling/software/SPDF/controller/web/OtherWebController.java

@@ -31,6 +31,13 @@ public class OtherWebController {
         return "misc/compress-pdf";
     }
 
+    @GetMapping("/replace-and-invert-color-pdf")
+    @Hidden
+    public String replaceAndInvertColorPdfForm(Model model) {
+        model.addAttribute("currentPage", "replace-invert-color-pdf");
+        return "misc/replace-color";
+    }
+
     @GetMapping("/extract-image-scans")
     @Hidden
     public ModelAndView extractImageScansForm() {