add redact color

app/controllers/template_documents_modify_controller.rb

@@ -10,7 +10,7 @@ class TemplateDocumentsModifyController < ApplicationController
       params.require(:documents).map do |item|
         item.permit(:attachment_uuid,
                     pages: [:attachment_uuid, :page, :rotate,
-                            { redact: [%i[x y w h]], replaced_page: %i[attachment_uuid page] }]).to_h
+                            { redact: [%i[x y w h color]], replaced_page: %i[attachment_uuid page] }]).to_h
       end
 
     Templates::ModifyDocuments.call(@template, documents_layout)

app/javascript/template_builder/documents_editor_page.vue

@@ -36,7 +36,8 @@
         <div
           v-for="(rect, rectIndex) in page.redact"
           :key="`redact-${rectIndex}`"
-          class="absolute bg-black"
+          class="absolute"
+          :class="rect.color === 'white' ? 'bg-white' : 'bg-black'"
           :style="{
             left: `${rect.x * 100}%`,
             top: `${rect.y * 100}%`,

app/javascript/template_builder/documents_editor_redact.vue

@@ -22,7 +22,8 @@
           <div
             v-for="(rect, rectIndex) in redactRects"
             :key="`rect-${rectIndex}`"
-            class="absolute bg-black pointer-events-none"
+            class="absolute pointer-events-none"
+            :class="color === 'white' ? 'bg-white' : 'bg-black'"
             :style="{
               left: `${rect.x * 100}%`,
               top: `${rect.y * 100}%`,
@@ -47,6 +48,26 @@
       </div>
     </div>
     <div class="w-56 flex-none border-l px-4 py-4 space-y-2">
+      <div class="flex items-center justify-between mb-1">
+        <span class="text-sm pl-1">{{ t('color') }}</span>
+        <div
+          class="join rounded"
+          style="height: 28px"
+        >
+          <button
+            v-for="option in colors"
+            :key="option"
+            class="btn btn-sm join-item !h-7 !min-h-0 bg-white input-bordered hover:border-base-content/20 hover:bg-base-100/50 px-2"
+            :class="{ '!bg-base-200': color === option }"
+            @click.prevent="color = option"
+          >
+            <span
+              class="block w-10 h-4 border border-base-content/30"
+              :style="{ backgroundColor: option }"
+            />
+          </button>
+        </div>
+      </div>
       <button
         class="btn btn-sm w-full justify-start normal-case font-normal rounded disabled:bg-base-300"
         :disabled="!hasRedactions && !wasReset"
@@ -122,11 +143,15 @@ export default {
       selectedNodes: {},
       freeRects: [],
       rects: [],
+      color: 'black',
       wasReset: false,
       marquee: null
     }
   },
   computed: {
+    colors () {
+      return ['black', 'white']
+    },
     rotate () {
       return this.page.rotate || 0
     },
@@ -186,6 +211,10 @@ export default {
     }
   },
   created () {
+    if ((this.page.redact || []).some((rect) => rect.color === 'white')) {
+      this.color = 'white'
+    }
+
     if (this.imagePage) {
       this.rects = (this.page.redact || []).map((rect) => ({ ...rect }))
 
@@ -238,7 +267,17 @@ export default {
       return { x, y }
     },
     apply () {
-      this.$emit('apply', this.redactRects)
+      const rects = this.redactRects.map((rect) => {
+        const next = { x: rect.x, y: rect.y, w: rect.w, h: rect.h }
+
+        if (this.color === 'white') {
+          next.color = 'white'
+        }
+
+        return next
+      })
+
+      this.$emit('apply', rects)
     },
     reset () {
       this.wasReset = true

app/javascript/template_builder/i18n.js

@@ -111,6 +111,7 @@ const en = {
   flip_horizontal: 'Flip horizontal',
   flip_vertical: 'Flip vertical',
   there_is_no_text_to_redact_on_this_page: 'This page contains only images. Redact tool can be used only with text pages',
+  color: 'Color',
   reset: 'Reset',
   upload_to_document: 'Upload to "{document}"',
   replace_existing_document: 'Replace existing document',
@@ -351,6 +352,7 @@ const es = {
   flip_horizontal: 'Voltear horizontal',
   flip_vertical: 'Voltear vertical',
   there_is_no_text_to_redact_on_this_page: 'Esta página contiene solo imágenes. La herramienta de censura solo puede usarse con páginas de texto',
+  color: 'Color',
   reset: 'Restablecer',
   upload_to_document: 'Subir a "{document}"',
   replace_existing_document: 'Reemplazar documento existente',
@@ -597,6 +599,7 @@ const it = {
   flip_horizontal: 'Rifletti orizzontale',
   flip_vertical: 'Rifletti verticale',
   there_is_no_text_to_redact_on_this_page: 'Questa pagina contiene solo immagini. Lo strumento di oscuramento può essere usato solo con pagine di testo',
+  color: 'Colore',
   reset: 'Reimposta',
   upload_to_document: 'Carica in "{document}"',
   replace_existing_document: 'Sostituisci documento esistente',
@@ -837,6 +840,7 @@ const pt = {
   flip_horizontal: 'Inverter horizontal',
   flip_vertical: 'Inverter vertical',
   there_is_no_text_to_redact_on_this_page: 'Esta página contém apenas imagens. A ferramenta de censura só pode ser usada com páginas de texto',
+  color: 'Cor',
   reset: 'Redefinir',
   upload_to_document: 'Enviar para "{document}"',
   replace_existing_document: 'Substituir documento existente',
@@ -1083,6 +1087,7 @@ const fr = {
   flip_horizontal: 'Miroir horizontal',
   flip_vertical: 'Miroir vertical',
   there_is_no_text_to_redact_on_this_page: 'Cette page ne contient que des images. L\'outil de caviardage ne peut être utilisé qu\'avec des pages de texte',
+  color: 'Couleur',
   reset: 'Réinitialiser',
   upload_to_document: 'Téléverser dans "{document}"',
   replace_existing_document: 'Remplacer le document existant',
@@ -1326,6 +1331,7 @@ const de = {
   flip_horizontal: 'Horizontal spiegeln',
   flip_vertical: 'Vertikal spiegeln',
   there_is_no_text_to_redact_on_this_page: 'Diese Seite enthält nur Bilder. Das Schwärzungswerkzeug kann nur mit Textseiten verwendet werden',
+  color: 'Farbe',
   reset: 'Zurücksetzen',
   upload_to_document: 'In "{document}" hochladen',
   replace_existing_document: 'Vorhandenes Dokument ersetzen',
@@ -1569,6 +1575,7 @@ const nl = {
   flip_horizontal: 'Horizontaal spiegelen',
   flip_vertical: 'Verticaal spiegelen',
   there_is_no_text_to_redact_on_this_page: 'Deze pagina bevat alleen afbeeldingen. De redactietool kan alleen worden gebruikt met tekstpagina\'s',
+  color: 'Kleur',
   reset: 'Opnieuw instellen',
   upload_to_document: 'Uploaden naar "{document}"',
   replace_existing_document: 'Bestaand document vervangen',

lib/pdfium.rb

@@ -737,7 +737,7 @@ class Pdfium
         left = rect['x'].to_f * width
         top = height - (rect['y'].to_f * height)
 
-        [left, top - (rect['h'].to_f * height), left + (rect['w'].to_f * width), top]
+        [left, top - (rect['h'].to_f * height), left + (rect['w'].to_f * width), top, rect['color']]
       end
 
       unwrap_form_objects(rect_bounds)
@@ -982,7 +982,9 @@ class Pdfium
     end
 
     def draw_redaction_rects(rect_bounds)
-      rect_bounds.each do |left, bottom, right, top|
+      rect_bounds.each do |left, bottom, right, top, color|
+        next if color == 'white'
+
         rect_object = Pdfium.FPDFPageObj_CreateNewRect(left, bottom, right - left, top - bottom)
 
         raise PdfiumError, 'Failed to create redaction rect' if rect_object.null?
@@ -1057,7 +1059,7 @@ class Pdfium
       a, b, c, d, e, f = matrix
       det = (a * d) - (b * c)
 
-      rect_bounds.filter_map do |left, bottom, right, top|
+      rect_bounds.filter_map do |left, bottom, right, top, color|
         corners = [[left, bottom], [right, bottom], [left, top], [right, top]].map do |x, y|
           u = ((d * (x - e)) - (c * (y - f))) / det
           v = ((a * (y - f)) - (b * (x - e))) / det
@@ -1075,7 +1077,8 @@ class Pdfium
 
         [px_left, px_top,
          (xs.max.ceil - px_left).clamp(1, image_width - px_left),
-         (ys.max.ceil - px_top).clamp(1, image_height - px_top)]
+         (ys.max.ceil - px_top).clamp(1, image_height - px_top),
+         color]
       end
     end
 

lib/templates/modify_documents.rb

@@ -299,19 +299,17 @@ module Templates
         else image
         end
 
-      ink = Array.new(image.bands, 0.0)
-
-      pixel_rects.each do |left, top, rect_width, rect_height|
-        image = image.draw_rect(ink, left, top, rect_width, rect_height, fill: true)
+      pixel_rects.each do |left, top, rect_width, rect_height, color|
+        image = image.draw_rect(redaction_ink(image.bands, color), left, top, rect_width, rect_height, fill: true)
       end
 
       image.write_to_buffer('.jpg', Q: 50, strip: true)
     end
 
     def draw_image_redaction(image, rects)
-      ink = Array.new(image.bands) { |band| band == 3 ? 255.0 : 0.0 }
-
       rects.each do |rect|
+        ink = redaction_ink(image.bands, rect['color'])
+
         left = (rect['x'].to_f * image.width).floor.clamp(0, image.width - 1)
         top = (rect['y'].to_f * image.height).floor.clamp(0, image.height - 1)
         rect_width = (rect['w'].to_f * image.width).ceil.clamp(1, image.width - left)
@@ -323,6 +321,12 @@ module Templates
       image
     end
 
+    def redaction_ink(bands, color)
+      value = color == 'white' ? 255.0 : 0.0
+
+      Array.new(bands) { |band| band == 3 ? 255.0 : value }
+    end
+
     def open_or_build_pdf(attachment, redact: nil, rotate: nil, pdf_size: nil, default_size: nil)
       data =
         if attachment.image?