feat(pdf): suporte a redimensionamento interativo e proporcional do selo de assinatura

modules/cybercore-core/src/main/java/br/com/cybercore/signer/core/pdf/PdfSignatureOptions.java

@@ -25,7 +25,8 @@ public record PdfSignatureOptions(
         Integer targetPageNumber,
         CpfDisplayMode cpfDisplayMode,
         Boolean includeDateTime,
-        String customExtraInfo
+        String customExtraInfo,
+        Double customSealScale
 ) {
 
     public PdfSignatureOptions {
@@ -51,6 +52,21 @@ public record PdfSignatureOptions(
         if (includeDateTime == null) {
             includeDateTime = sealTheme.defaultIncludeDateTime();
         }
+        if (customSealScale == null || customSealScale <= 0) {
+            customSealScale = 1.0;
+        }
+    }
+
+    /**
+     * Construtor para compatibilidade com assinaturas anteriores a customSealScale.
+     */
+    public PdfSignatureOptions(String certificateId, char[] pinOrPassword, boolean visibleSeal,
+                               PdfSealTheme sealTheme, PdfSealPosition position, PdfSealPageChoice pageChoice,
+                               String reason, String location, Float customX, Float customY,
+                               Integer targetPageNumber, CpfDisplayMode cpfDisplayMode, Boolean includeDateTime,
+                               String customExtraInfo) {
+        this(certificateId, pinOrPassword, visibleSeal, sealTheme, position, pageChoice, reason, location,
+                customX, customY, targetPageNumber, cpfDisplayMode, includeDateTime, customExtraInfo, 1.0);
     }
 
     /**
@@ -61,7 +77,7 @@ public record PdfSignatureOptions(
                                String reason, String location, Float customX, Float customY,
                                Integer targetPageNumber, CpfDisplayMode cpfDisplayMode, Boolean includeDateTime) {
         this(certificateId, pinOrPassword, visibleSeal, sealTheme, position, pageChoice, reason, location,
-                customX, customY, targetPageNumber, cpfDisplayMode, includeDateTime, null);
+                customX, customY, targetPageNumber, cpfDisplayMode, includeDateTime, null, 1.0);
     }
 
     /**
@@ -70,7 +86,7 @@ public record PdfSignatureOptions(
     public PdfSignatureOptions(String certificateId, char[] pinOrPassword, boolean visibleSeal,
                                PdfSealTheme sealTheme, PdfSealPosition position, PdfSealPageChoice pageChoice,
                                String reason, String location) {
-        this(certificateId, pinOrPassword, visibleSeal, sealTheme, position, pageChoice, reason, location, null, null, null, null, null, null);
+        this(certificateId, pinOrPassword, visibleSeal, sealTheme, position, pageChoice, reason, location, null, null, null, null, null, null, 1.0);
     }
 
     public PdfSignatureOptions(String certificateId, char[] pinOrPassword, boolean visibleSeal,
@@ -143,6 +159,7 @@ public record PdfSignatureOptions(
         }
 
         private String customExtraInfo;
+        private Double customSealScale = 1.0;
 
         public Builder includeDateTime(boolean include) {
             this.includeDateTime = include;
@@ -154,6 +171,11 @@ public record PdfSignatureOptions(
             return this;
         }
 
+        public Builder customSealScale(Double scale) {
+            this.customSealScale = scale;
+            return this;
+        }
+
         public Builder customPosition(Float x, Float y, Integer pageNumber) {
             this.customX = x;
             this.customY = y;
@@ -179,7 +201,8 @@ public record PdfSignatureOptions(
                     targetPageNumber,
                     cpfDisplayMode,
                     includeDateTime,
-                    customExtraInfo
+                    customExtraInfo,
+                    customSealScale
             );
         }
     }

modules/cybercore-core/src/main/java/br/com/cybercore/signer/core/pdf/PdfSigningService.java

@@ -235,8 +235,11 @@ public class PdfSigningService {
 
             PDImageXObject pdImage = PDImageXObject.createFromByteArray(doc, sealPng, "cybercore_seal");
 
-            float sealWidth = theme.width() * 0.72f;
+            float scale = (options.customSealScale() != null && options.customSealScale() > 0)
-            float sealHeight = theme.height() * 0.72f;
+                    ? options.customSealScale().floatValue()
+                    : 1.0f;
+            float sealWidth = (theme.width() * 0.72f) * scale;
+            float sealHeight = (theme.height() * 0.72f) * scale;
             float margin = 20f;
 
             // Se coordenadas customizadas foram informadas (clique ou drag & drop na página)

modules/cybercore-ui/src/main/java/br/com/cybercore/signer/ui/view/PdfCertificateSignDialog.java

@@ -54,6 +54,22 @@ public final class PdfCertificateSignDialog {
     private static final Logger logger = LoggerFactory.getLogger(PdfCertificateSignDialog.class);
 
     public record SealConfig(
+            boolean visibleSeal,
+            PdfSealTheme sealTheme,
+            CpfDisplayMode cpfDisplayMode,
+            boolean includeDateTime,
+            String customExtraInfo,
+            PdfSignDialog.PositionOption positionOption,
+            PdfSignDialog.PageOption pageOption,
+            boolean isCustomPosition,
+            Float customX,
+            Float customY,
+            Integer customPageNumber,
+            String reason,
+            String location,
+            Double customSealScale
+    ) {
+        public SealConfig(
                 boolean visibleSeal,
                 PdfSealTheme sealTheme,
                 CpfDisplayMode cpfDisplayMode,
@@ -67,7 +83,11 @@ public final class PdfCertificateSignDialog {
                 Integer customPageNumber,
                 String reason,
                 String location
-    ) {}
+        ) {
+            this(visibleSeal, sealTheme, cpfDisplayMode, includeDateTime, customExtraInfo, positionOption,
+                    pageOption, isCustomPosition, customX, customY, customPageNumber, reason, location, 1.0);
+        }
+    }
 
     private final Stage stage;
     private final CertificateManager certManager;
@@ -429,7 +449,8 @@ public final class PdfCertificateSignDialog {
                 .includeDateTime(sealConfig.includeDateTime())
                 .customExtraInfo(sealConfig.customExtraInfo())
                 .reason(sealConfig.reason())
-                .location(sealConfig.location());
+                .location(sealConfig.location())
+                .customSealScale(sealConfig.customSealScale());
 
         if (sealConfig.isCustomPosition() && sealConfig.customX() != null && sealConfig.customY() != null) {
             b.customPosition(sealConfig.customX(), sealConfig.customY(), sealConfig.customPageNumber());

modules/cybercore-ui/src/main/java/br/com/cybercore/signer/ui/view/PdfSignDialog.java

@@ -46,6 +46,8 @@ import javafx.scene.layout.Region;
 import javafx.scene.layout.StackPane;
 import javafx.scene.layout.VBox;
 import javafx.scene.paint.Color;
+import javafx.scene.shape.Circle;
+import javafx.scene.shape.Rectangle;
 import javafx.stage.FileChooser;
 import javafx.stage.Modality;
 import javafx.stage.Stage;
@@ -127,6 +129,22 @@ public final class PdfSignDialog {
     private ComboBox<PageOption> pageCombo;
     private ImageView sealPreviewImageView;
 
+    // Controle de Escala / Redimensionamento do Selo (1.0 = 100%)
+    private double sealScale = 1.0;
+    private static final double MIN_SEAL_SCALE = 0.40;
+    private static final double MAX_SEAL_SCALE = 1.80;
+    private boolean isResizeModeActive = false;
+
+    // Componentes do grupo do selo e alça interativa
+    private Pane sealGroupPane;
+    private Rectangle sealSelectionBorder;
+    private Circle resizeHandle;
+    private Button btnToggleResize;
+    private Button btnResetSealScale;
+    private Label lblSealScaleIndicator;
+    private double resizeStartSceneX;
+    private double resizeStartBaseWidth;
+
     // Visualizador Interativo da Folha
     private ScrollPane sheetScroll;
     private StackPane pageSheetContainer;
@@ -463,13 +481,34 @@ public final class PdfSignDialog {
 
         zoomBox.getChildren().addAll(btnZoomOut, lblZoomValue, btnZoomIn, btnZoomFit);
 
+        // Grupo de Tamanho do Selo
+        HBox resizeToolBox = new HBox(6);
+        resizeToolBox.setAlignment(Pos.CENTER_LEFT);
+        resizeToolBox.setStyle("-fx-background-color: -fx-bg-primary; -fx-border-color: -fx-border-light; -fx-border-radius: 6px; -fx-padding: 2px 6px;");
+
+        btnToggleResize = new Button("📏 Redimensionar");
+        btnToggleResize.getStyleClass().addAll("btn-secondary", "btn-compact");
+        btnToggleResize.setTooltip(new Tooltip("Ativar/desativar alça interativa para alterar o tamanho do selo"));
+        btnToggleResize.setOnAction(e -> toggleResizeMode());
+
+        lblSealScaleIndicator = new Label("100%");
+        lblSealScaleIndicator.setStyle("-fx-font-size: 11px; -fx-font-weight: bold; -fx-min-width: 36px; -fx-alignment: center;");
+
+        btnResetSealScale = new Button("↺ 100%");
+        btnResetSealScale.getStyleClass().addAll("btn-secondary", "btn-compact");
+        btnResetSealScale.setTooltip(new Tooltip("Restaurar tamanho padrão original (100%)"));
+        btnResetSealScale.setVisible(false);
+        btnResetSealScale.setOnAction(e -> applySealScale(1.0));
+
+        resizeToolBox.getChildren().addAll(btnToggleResize, lblSealScaleIndicator, btnResetSealScale);
+
         Region tbSpacer = new Region();
         HBox.setHgrow(tbSpacer, Priority.ALWAYS);
 
         lblPositionFeedback = new Label("👉 Clique na folha para posicionar");
         lblPositionFeedback.setStyle("-fx-font-size: 11.5px; -fx-text-fill: -fx-accent; -fx-font-weight: bold;");
 
-        toolbar.getChildren().addAll(pageNavBox, zoomBox, tbSpacer, lblPositionFeedback);
+        toolbar.getChildren().addAll(pageNavBox, zoomBox, resizeToolBox, tbSpacer, lblPositionFeedback);
 
         // ScrollPane da Folha de Papel
         sheetScroll = new ScrollPane();
@@ -517,14 +556,43 @@ public final class PdfSignDialog {
             handleSheetClick(event);
         });
 
+        // Grupo visual do selo composto pela imagem, borda de seleção e alça de quina
+        sealGroupPane = new Pane();
+        sealGroupPane.setVisible(false);
+
         sealStampOverlayView = new ImageView();
         sealStampOverlayView.setPreserveRatio(true);
         sealStampOverlayView.setCursor(Cursor.MOVE);
         DropShadow sealShadow = new DropShadow(8, 0, 2, Color.rgb(2, 132, 199, 0.65));
         sealStampOverlayView.setEffect(sealShadow);
-        sealStampOverlayView.setVisible(false);
 
-        // Arraste com ancoragem precisa no ponto exato do clique dentro do selo (sem salto e sem drift)
+        sealSelectionBorder = new Rectangle();
+        sealSelectionBorder.setFill(Color.TRANSPARENT);
+        sealSelectionBorder.setStroke(Color.rgb(2, 132, 199));
+        sealSelectionBorder.setStrokeWidth(1.8);
+        sealSelectionBorder.getStrokeDashArray().addAll(5.0, 4.0);
+        sealSelectionBorder.setVisible(false);
+
+        resizeHandle = new Circle(8);
+        resizeHandle.setFill(Color.rgb(2, 132, 199));
+        resizeHandle.setStroke(Color.WHITE);
+        resizeHandle.setStrokeWidth(2.0);
+        resizeHandle.setCursor(Cursor.SE_RESIZE);
+        DropShadow handleShadow = new DropShadow(4, 0, 1, Color.rgb(0, 0, 0, 0.35));
+        resizeHandle.setEffect(handleShadow);
+        resizeHandle.setVisible(false);
+        Tooltip.install(resizeHandle, new Tooltip("Puxe a quina para redimensionar o selo proporcionalmente"));
+
+        // Duplo clique no selo para ativar/desativar o modo de redimensionamento
+        sealStampOverlayView.setOnMouseClicked(event -> {
+            sealDragOccurred = false;
+            if (event.getClickCount() == 2) {
+                toggleResizeMode();
+            }
+            event.consume();
+        });
+
+        // Arraste com ancoragem precisa no ponto exato do clique dentro do selo
         sealStampOverlayView.setOnMousePressed(event -> {
             dragStartOffsetInSealX = event.getX();
             dragStartOffsetInSealY = event.getY();
@@ -536,7 +604,6 @@ public final class PdfSignDialog {
             if (!chkVisibleSeal.isSelected() || selectedPdfBytes == null) return;
             sealDragOccurred = true;
 
-            // Converte coordenada da cena para coordenadas locais do painel da folha
             Point2D localInSheet = interactiveOverlayPane.sceneToLocal(event.getSceneX(), event.getSceneY());
             double targetX = localInSheet.getX() - dragStartOffsetInSealX;
             double targetY = localInSheet.getY() - dragStartOffsetInSealY;
@@ -544,17 +611,32 @@ public final class PdfSignDialog {
             event.consume();
         });
 
-        sealStampOverlayView.setOnMouseReleased(event -> {
+        sealStampOverlayView.setOnMouseReleased(event -> event.consume());
-            // Garante que o evento de soltura do mouse não borbulhe para a folha
+
+        // Eventos da Alça de Redimensionamento Interativa
+        resizeHandle.setOnMousePressed(event -> {
+            resizeStartSceneX = event.getSceneX();
+            resizeStartBaseWidth = currentBaseSealWidth * zoomFactor * sealScale;
             event.consume();
         });
 
-        sealStampOverlayView.setOnMouseClicked(event -> {
+        resizeHandle.setOnMouseDragged(event -> {
-            sealDragOccurred = false;
+            if (!chkVisibleSeal.isSelected() || selectedPdfBytes == null) return;
+            double deltaX = event.getSceneX() - resizeStartSceneX;
+            double newWidth = resizeStartBaseWidth + deltaX;
+            double baseW = currentBaseSealWidth * zoomFactor;
+            if (baseW > 0) {
+                applySealScale(newWidth / baseW);
+            }
             event.consume();
         });
 
-        interactiveOverlayPane.getChildren().add(sealStampOverlayView);
+        resizeHandle.setOnMouseReleased(event -> event.consume());
+        resizeHandle.setOnMouseClicked(event -> event.consume());
+
+        sealGroupPane.getChildren().addAll(sealStampOverlayView, sealSelectionBorder, resizeHandle);
+        interactiveOverlayPane.getChildren().add(sealGroupPane);
+
         pageSheetContainer.getChildren().addAll(pageImageView, interactiveOverlayPane);
         sheetWrapper.getChildren().add(pageSheetContainer);
         sheetScroll.setContent(sheetWrapper);
@@ -563,6 +645,41 @@ public final class PdfSignDialog {
         return column;
     }
 
+    private void toggleResizeMode() {
+        this.isResizeModeActive = !this.isResizeModeActive;
+        if (sealSelectionBorder != null) {
+            sealSelectionBorder.setVisible(isResizeModeActive);
+        }
+        if (resizeHandle != null) {
+            resizeHandle.setVisible(isResizeModeActive);
+        }
+        if (btnToggleResize != null) {
+            if (isResizeModeActive) {
+                btnToggleResize.setText("✓ Concluir");
+                btnToggleResize.setStyle("-fx-background-color: #0284c7; -fx-text-fill: white; -fx-font-weight: bold;");
+                lblPositionFeedback.setText("👉 Puxe a alça azul no canto do selo para ajustar o tamanho");
+            } else {
+                btnToggleResize.setText("📏 Redimensionar");
+                btnToggleResize.setStyle("");
+                updateFeedbackLabel();
+            }
+        }
+    }
+
+    private void applySealScale(double newScale) {
+        this.sealScale = Math.max(MIN_SEAL_SCALE, Math.min(MAX_SEAL_SCALE, Math.round(newScale * 100.0) / 100.0));
+        if (lblSealScaleIndicator != null) {
+            lblSealScaleIndicator.setText(String.format("%.0f%%", sealScale * 100));
+        }
+        if (btnResetSealScale != null) {
+            btnResetSealScale.setVisible(Math.abs(sealScale - 1.0) > 0.02);
+        }
+
+        updateContainerZoomDimensions();
+        repositionSealByRelativeCoords();
+        updateFeedbackLabel();
+    }
+
     private void adjustZoom(double delta) {
         setZoom(Math.max(MIN_ZOOM, Math.min(MAX_ZOOM, this.zoomFactor + delta)));
     }
@@ -592,8 +709,19 @@ public final class PdfSignDialog {
             pageImageView.setFitHeight(currentH);
         }
         if (sealStampOverlayView != null) {
-            sealStampOverlayView.setFitWidth(currentBaseSealWidth * zoomFactor);
+            double sealW = currentBaseSealWidth * zoomFactor * sealScale;
-            sealStampOverlayView.setFitHeight(currentBaseSealHeight * zoomFactor);
+            double sealH = currentBaseSealHeight * zoomFactor * sealScale;
+            sealStampOverlayView.setFitWidth(sealW);
+            sealStampOverlayView.setFitHeight(sealH);
+
+            if (sealSelectionBorder != null) {
+                sealSelectionBorder.setWidth(sealW);
+                sealSelectionBorder.setHeight(sealH);
+            }
+            if (resizeHandle != null) {
+                resizeHandle.setCenterX(sealW);
+                resizeHandle.setCenterY(sealH);
+            }
         }
     }
 
@@ -602,15 +730,17 @@ public final class PdfSignDialog {
 
         double sheetW = currentBaseSheetWidth * zoomFactor;
         double sheetH = currentBaseSheetHeight * zoomFactor;
-        double sealW = currentBaseSealWidth * zoomFactor;
+        double sealW = currentBaseSealWidth * zoomFactor * sealScale;
-        double sealH = currentBaseSealHeight * zoomFactor;
+        double sealH = currentBaseSealHeight * zoomFactor * sealScale;
 
         double posX = Math.max(0, Math.min(sealRelativeX * sheetW, sheetW - sealW));
         double posY = Math.max(0, Math.min(sealRelativeY * sheetH, sheetH - sealH));
 
-        sealStampOverlayView.setLayoutX(posX);
+        if (sealGroupPane != null) {
-        sealStampOverlayView.setLayoutY(posY);
+            sealGroupPane.setLayoutX(posX);
-        sealStampOverlayView.setVisible(true);
+            sealGroupPane.setLayoutY(posY);
+            sealGroupPane.setVisible(true);
+        }
     }
 
     // =========================================================================
@@ -653,7 +783,9 @@ public final class PdfSignDialog {
             renderCurrentPage();
 
             if (chkVisibleSeal.isSelected()) {
-                sealStampOverlayView.setVisible(true);
+                if (sealGroupPane != null) {
+                    sealGroupPane.setVisible(true);
+                }
                 resetSealToCornerPosition(PositionOption.BOTTOM_RIGHT);
             }
         } catch (Exception ex) {
@@ -751,38 +883,42 @@ public final class PdfSignDialog {
     // =========================================================================
     private void handleSheetClick(MouseEvent event) {
         if (!chkVisibleSeal.isSelected() || selectedPdfBytes == null) return;
-        double sealW = currentBaseSealWidth * zoomFactor;
+        double sealW = currentBaseSealWidth * zoomFactor * sealScale;
-        double sealH = currentBaseSealHeight * zoomFactor;
+        double sealH = currentBaseSealHeight * zoomFactor * sealScale;
         updateSealPositionFromDrag(event.getX() - sealW / 2.0, event.getY() - sealH / 2.0);
     }
 
     private void updateSealPositionFromDrag(double newLayoutX, double newLayoutY) {
         double sheetW = currentBaseSheetWidth * zoomFactor;
         double sheetH = currentBaseSheetHeight * zoomFactor;
-        double sealW = currentBaseSealWidth * zoomFactor;
+        double sealW = currentBaseSealWidth * zoomFactor * sealScale;
-        double sealH = currentBaseSealHeight * zoomFactor;
+        double sealH = currentBaseSealHeight * zoomFactor * sealScale;
 
         double clampedX = Math.max(0, Math.min(newLayoutX, sheetW - sealW));
         double clampedY = Math.max(0, Math.min(newLayoutY, sheetH - sealH));
 
-        sealStampOverlayView.setLayoutX(clampedX);
+        if (sealGroupPane != null) {
-        sealStampOverlayView.setLayoutY(clampedY);
+            sealGroupPane.setLayoutX(clampedX);
-        sealStampOverlayView.setVisible(true);
+            sealGroupPane.setLayoutY(clampedY);
+            sealGroupPane.setVisible(true);
+        }
 
         this.sealRelativeX = (sheetW > 0) ? (clampedX / sheetW) : 0;
         this.sealRelativeY = (sheetH > 0) ? (clampedY / sheetH) : 0;
 
         PdfSealTheme theme = activeSealTheme != null ? activeSealTheme : PdfSealThemeRegistry.getDefaultTheme();
-        float sealPdfW = (float) ((theme != null) ? theme.width() * 0.72 : 144.0);
+        float basePdfW = (float) ((theme != null) ? theme.width() * 0.72 : 144.0);
-        float sealPdfH = (float) ((theme != null) ? theme.height() * 0.72 : 44.0);
+        float basePdfH = (float) ((theme != null) ? theme.height() * 0.72 : 44.0);
+        float scaledPdfW = basePdfW * (float) sealScale;
+        float scaledPdfH = basePdfH * (float) sealScale;
 
         // Conversão direta e exata da escala visual na tela para os pontos do PDF
         double scale = (currentPagePdfWidth > 0) ? (sheetW / currentPagePdfWidth) : 1.0;
         float calculatedPdfX = (float) (clampedX / scale);
-        float calculatedPdfY = (float) (currentPagePdfHeight - (clampedY / scale) - sealPdfH);
+        float calculatedPdfY = (float) (currentPagePdfHeight - (clampedY / scale) - scaledPdfH);
 
-        this.customPdfX = Math.max(0, Math.min(calculatedPdfX, currentPagePdfWidth - sealPdfW));
+        this.customPdfX = Math.max(0, Math.min(calculatedPdfX, currentPagePdfWidth - scaledPdfW));
-        this.customPdfY = Math.max(0, Math.min(calculatedPdfY, currentPagePdfHeight - sealPdfH));
+        this.customPdfY = Math.max(0, Math.min(calculatedPdfY, currentPagePdfHeight - scaledPdfH));
         this.customPageNumber = currentPageIndex + 1;
         this.isCustomPositionActive = true;
 
@@ -799,8 +935,10 @@ public final class PdfSignDialog {
         }
 
         PdfSealTheme theme = activeSealTheme != null ? activeSealTheme : PdfSealThemeRegistry.getDefaultTheme();
-        float sealPdfW = (float) ((theme != null) ? theme.width() * 0.72 : 144.0);
+        float basePdfW = (float) ((theme != null) ? theme.width() * 0.72 : 144.0);
-        float sealPdfH = (float) ((theme != null) ? theme.height() * 0.72 : 44.0);
+        float basePdfH = (float) ((theme != null) ? theme.height() * 0.72 : 44.0);
+        float sealPdfW = basePdfW * (float) sealScale;
+        float sealPdfH = basePdfH * (float) sealScale;
         float margin = 20f;
 
         float targetPdfX;
@@ -853,16 +991,22 @@ public final class PdfSignDialog {
 
     private void updateFeedbackLabel() {
         if (isCustomPositionActive && customPageNumber != null && customPdfX != null && customPdfY != null) {
-            lblPositionFeedback.setText(String.format("📍 Selo na Pág. %d [X: %.0f pt, Y: %.0f pt]",
+            String scaleStr = (Math.abs(sealScale - 1.0) > 0.02) ? String.format(" | Escala: %.0f%%", sealScale * 100) : "";
-                    customPageNumber, customPdfX, customPdfY));
+            lblPositionFeedback.setText(String.format("📍 Selo na Pág. %d [X: %.0f pt, Y: %.0f pt]%s",
+                    customPageNumber, customPdfX, customPdfY, scaleStr));
         }
     }
 
     private void toggleVisibleSeal(boolean active) {
         positionCombo.setDisable(!active);
         pageCombo.setDisable(!active);
+        if (btnToggleResize != null) {
+            btnToggleResize.setDisable(!active);
+        }
         sealPreviewImageView.setOpacity(active ? 1.0 : 0.3);
-        sealStampOverlayView.setVisible(active && selectedPdfBytes != null);
+        if (sealGroupPane != null) {
+            sealGroupPane.setVisible(active && selectedPdfBytes != null);
+        }
     }
 
     private void updateSealPreview() {
@@ -927,19 +1071,21 @@ public final class PdfSignDialog {
                 customPdfY,
                 customPageNumber,
                 DEFAULT_REASON,
-                DEFAULT_LOCATION
+                DEFAULT_LOCATION,
+                sealScale
         );
 
         String sealSummary;
         if (chkVisibleSeal.isSelected()) {
             String themeName = theme.name();
+            String scaleInfo = (Math.abs(sealScale - 1.0) > 0.02) ? String.format(" [Escala: %.0f%%]", sealScale * 100) : "";
 
             if (isCustomPositionActive && customPageNumber != null && customPdfX != null && customPdfY != null) {
-                sealSummary = String.format("Selo Estampado (%s) — Pág. %d [X: %.0f pt, Y: %.0f pt]",
+                sealSummary = String.format("Selo Estampado (%s)%s — Pág. %d [X: %.0f pt, Y: %.0f pt]",
-                        themeName, customPageNumber, customPdfX, customPdfY);
+                        themeName, scaleInfo, customPageNumber, customPdfX, customPdfY);
             } else {
-                sealSummary = String.format("Selo Estampado (%s) — %s (%s)",
+                sealSummary = String.format("Selo Estampado (%s)%s — %s (%s)",
-                        themeName, (pos != null ? pos.label : "Canto Inferior Direito"), (pg != null ? pg.label : "Última Página"));
+                        themeName, scaleInfo, (pos != null ? pos.label : "Canto Inferior Direito"), (pg != null ? pg.label : "Última Página"));
             }
         } else {
             sealSummary = "Sem Selo Visual (Assinatura PAdES Invisível)";