diff --git a/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/model/ClippingPathStack.java b/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/model/ClippingPathStack.java deleted file mode 100644 index fec3727..0000000 --- a/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/model/ClippingPathStack.java +++ /dev/null @@ -1,68 +0,0 @@ -//package com.iqser.red.service.ocr.v1.server.model; -// -//import static com.iqser.red.service.ocr.v1.server.service.InvisibleElementRemovalService.TOLERANCE; -// -//import java.awt.geom.Area; -//import java.awt.geom.GeneralPath; -//import java.awt.geom.Rectangle2D; -//import java.util.Deque; -//import java.util.LinkedList; -// -//import com.pdftron.pdf.Rect; -// -//import lombok.Data; -//import lombok.SneakyThrows; -// -//@Data -//public class ClippingPathStack { -// -// private Deque stack = new LinkedList<>(); -// -// -// @SneakyThrows -// public ClippingPathStack(Rect rectangle) { -// -// stack.push(new Area(new Rectangle2D.Double(rectangle.getX1(), rectangle.getY1(), rectangle.getWidth(), rectangle.getHeight()).getBounds2D())); -// } -// -// -// @SneakyThrows -// public void intersectClippingPath(GeneralPath path) { -// -// getCurrentClippingPath().intersect(new Area(path)); -// } -// -// -// public boolean almostIntersects(double x, double y, double width, double height) { -// // To address inconsistencies in the calculation of the bounding box we slightly increase the rectangle -// // Height or width are zero for straight lines, even though they are being rendered. Therefore, height or width must be at minimum >0. -// -// double x_with_tolerance = x > 0 ? x - TOLERANCE : x + TOLERANCE; -// double y_with_tolerance = y > 0 ? y - TOLERANCE : y + TOLERANCE; -// double width_with_tolerance = width + (2 * TOLERANCE); -// double height_with_tolerance = height + (2 * TOLERANCE); -// return getCurrentClippingPath().intersects(x_with_tolerance, y_with_tolerance, width_with_tolerance, height_with_tolerance); -// } -// -// -// public Area getCurrentClippingPath() { -// -// return stack.peek(); -// } -// -// -// public void enterNewGState() { -// -// Area current = stack.peek(); -// Area cloned = new Area(); -// cloned.add(current); -// stack.push(cloned); -// } -// -// -// public void leaveGState() { -// -// stack.pop(); -// } -// -//} \ No newline at end of file diff --git a/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/model/ElementFeatures.java b/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/model/ElementFeatures.java deleted file mode 100644 index d6e24cf..0000000 --- a/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/model/ElementFeatures.java +++ /dev/null @@ -1,170 +0,0 @@ -//package com.iqser.red.service.ocr.v1.server.model; -// -//import static com.iqser.red.service.ocr.v1.server.service.InvisibleElementRemovalService.TOLERANCE; -// -//import java.awt.geom.Rectangle2D; -// -//import com.pdftron.common.PDFNetException; -//import com.pdftron.pdf.Element; -//import com.pdftron.pdf.Rect; -// -//import lombok.AccessLevel; -//import lombok.EqualsAndHashCode; -//import lombok.Getter; -//import lombok.SneakyThrows; -//import lombok.experimental.FieldDefaults; -//import lombok.experimental.SuperBuilder; -// -//@Getter -//@SuperBuilder -//@FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE) -//public class ElementFeatures { -// -// int elementType; -// Rectangle2D boundingBox; -// -// -// public boolean almostMatches(Element element) throws PDFNetException { -// -// return element.getType() == elementType && // -// element.getBBox() != null && // -// rectsAlmostMatch(element.getBBox()); -// } -// -// -// protected boolean almostEqual(double a, double b) { -// -// return Math.abs(a - b) < TOLERANCE; -// } -// -// -// @SneakyThrows -// private boolean rectsAlmostMatch(Rect bBox) { -// // To address the inconsistencies in the calculation of the bounding box we check equality with a tolerance -// -// return almostEqual(bBox.getX1(), boundingBox.getX()) && // -// almostEqual(bBox.getY1(), boundingBox.getY()) && // -// almostEqual(bBox.getWidth(), boundingBox.getWidth()) && // -// almostEqual(bBox.getHeight(), boundingBox.getHeight()); -// } -// -// -// @EqualsAndHashCode(callSuper = true) -// @Getter -// @SuperBuilder -// @FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE) -// private static class Text extends ElementFeatures { -// -// String text; -// int font; -// double fontsize; -// -// -// @Override -// public boolean almostMatches(Element element) throws PDFNetException { -// -// return super.almostMatches(element) && // -// text.equals(element.getTextString()) && // -// font == element.getGState().getFont().getType() && // -// almostEqual(fontsize, element.getGState().getFontSize()); -// } -// -// } -// -// @EqualsAndHashCode(callSuper = true) -// @Getter -// @SuperBuilder -// @FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE) -// private static class Path extends ElementFeatures { -// -// boolean isClippingPath; -// boolean isClipWindingFill; -// boolean isStroked; -// boolean isFilled; -// boolean isWindingFill; -// -// -// @Override -// public boolean almostMatches(Element element) throws PDFNetException { -// -// return super.almostMatches(element) && // -// isClippingPath == element.isClippingPath() && // -// isClipWindingFill == element.isClipWindingFill() && // -// isStroked == element.isStroked() && // -// isFilled == element.isFilled() && // -// isWindingFill == element.isWindingFill(); -// -// } -// -// } -// -// @EqualsAndHashCode(callSuper = true) -// @Getter -// @SuperBuilder -// @FieldDefaults(makeFinal = true, level = AccessLevel.PRIVATE) -// private static class Image extends ElementFeatures { -// -// int dataSize; -// int height; -// int width; -// int renderingIntent; -// int componentNum; -// int bitsPerComponent; -// -// -// @Override -// public boolean almostMatches(Element element) throws PDFNetException { -// -// return super.almostMatches(element) && // -// dataSize == element.getImageDataSize() && // -// height == element.getImageHeight() && // -// width == element.getImageWidth() && // -// renderingIntent == element.getImageRenderingIntent() && // -// componentNum == element.getComponentNum() && // -// bitsPerComponent == element.getBitsPerComponent(); -// } -// -// } -// -// -// public static ElementFeatures extractFeatures(Element element) throws PDFNetException { -// -// return switch (element.getType()) { -// case Element.e_path -> Path.builder() -// .elementType(element.getType()) -// .boundingBox(toRectangle2D(element.getBBox())) -// .isClippingPath(element.isClippingPath()) -// .isClipWindingFill(element.isClipWindingFill()) -// .isStroked(element.isStroked()) -// .isFilled(element.isFilled()) -// .isWindingFill(element.isWindingFill()) -// .build(); -// case Element.e_text -> Text.builder() -// .elementType(element.getType()) -// .boundingBox(toRectangle2D(element.getBBox())) -// .text(element.getTextString()) -// .font(element.getGState().getFont().getType()) -// .fontsize(element.getGState().getFontSize()) -// .build(); -// case Element.e_image, Element.e_inline_image -> Image.builder() -// .elementType(element.getType()) -// .boundingBox(toRectangle2D(element.getBBox())) -// .dataSize(element.getImageDataSize()) -// .height(element.getImageHeight()) -// .width(element.getImageWidth()) -// .renderingIntent(element.getImageRenderingIntent()) -// .componentNum(element.getComponentNum()) -// .bitsPerComponent(element.getBitsPerComponent()) -// .build(); -// // This technically should never happen, it's a safetynet -// default -> throw new RuntimeException("Feature Extraction is not supported for PDFTron.Element with type: " + element.getType()); -// }; -// } -// -// -// private static Rectangle2D toRectangle2D(Rect rect) throws PDFNetException { -// -// return new Rectangle2D.Double(rect.getX1(), rect.getY1(), rect.getWidth(), rect.getHeight()); -// } -// -//} diff --git a/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/service/InvisibleElementRemovalService.java b/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/service/InvisibleElementRemovalService.java deleted file mode 100644 index 9b49b6e..0000000 --- a/ocr-service-v1/ocr-service-server-v1/src/main/java/com/iqser/red/service/ocr/v1/server/service/InvisibleElementRemovalService.java +++ /dev/null @@ -1,466 +0,0 @@ -//package com.iqser.red.service.ocr.v1.server.service; -// -//import java.awt.Shape; -//import java.awt.geom.AffineTransform; -//import java.awt.geom.GeneralPath; -//import java.awt.geom.Rectangle2D; -//import java.io.InputStream; -//import java.io.OutputStream; -//import java.util.ArrayList; -//import java.util.Iterator; -//import java.util.List; -//import java.util.Set; -//import java.util.TreeSet; -// -//import org.springframework.stereotype.Service; -// -//import com.google.common.primitives.Bytes; -//import com.google.common.primitives.Doubles; -//import com.iqser.red.service.ocr.v1.server.model.ClippingPathStack; -//import com.iqser.red.service.ocr.v1.server.model.ElementFeatures; -//import com.pdftron.common.Matrix2D; -//import com.pdftron.common.PDFNetException; -//import com.pdftron.pdf.ColorPt; -//import com.pdftron.pdf.ColorSpace; -//import com.pdftron.pdf.Element; -//import com.pdftron.pdf.ElementBuilder; -//import com.pdftron.pdf.ElementReader; -//import com.pdftron.pdf.ElementWriter; -//import com.pdftron.pdf.GState; -//import com.pdftron.pdf.PDFDoc; -//import com.pdftron.pdf.Page; -//import com.pdftron.pdf.PageIterator; -//import com.pdftron.pdf.PathData; -//import com.pdftron.pdf.Rect; -//import com.pdftron.sdf.Obj; -//import com.pdftron.sdf.SDFDoc; -// -//import lombok.Builder; -//import lombok.SneakyThrows; -//import lombok.extern.slf4j.Slf4j; -// -//@Slf4j -//@Service -//public class InvisibleElementRemovalService { -// -// static public final double TOLERANCE = 1e-3; -// -// -// /** -// * Removes all hidden Text, Path and Image Elements from a PDF Document. -// * handled cases: -// * -Text which is transparent or is set to not render -// * -Elements outside of clipping path -// * -Elements that have been painted over by visible and filled Paths -// * unhandled cases: -// * -Elements covered by widely stroked path -// * -Elements with the same color as background -// * -Any Text set to clipping with its many interactions with other elements -// * -// * @param pdfFile The PDF file to process -// * @param delta If this flag is set only the removed Elements will be written to the output file. -// * The Elements are red if they are removed by clipping path, blue for transparency, and a green bounding box for overlap. -// * @param out OutputStream to write the resulting file to -// **/ -// @SneakyThrows -// public void removeInvisibleElements(InputStream pdfFile, OutputStream out, boolean delta) { -// -// PDFDoc pdfDoc = new PDFDoc(pdfFile); -// -// ElementWriter writer = new ElementWriter(); -// ElementReader reader = new ElementReader(); -// Set visitedXObjIds = new TreeSet<>(); -// -// for (PageIterator iterator = pdfDoc.getPageIterator(); iterator.hasNext(); ) { -// -// Page page = iterator.next(); -// -// visitedXObjIds.add(page.getSDFObj().getObjNum()); -// -// -// InvisibleElementRemovalContext context = InvisibleElementRemovalContext.builder() -// .reader(reader) -// .clippingPathStack(new ClippingPathStack(page.getMediaBox())) -// .delta(delta) -// .overlappedElements(new ArrayList<>()) -// .visibleElements(new ArrayList<>()) -// .visitedXObjIds(visitedXObjIds) -// .build(); -// -// removeClippedElementsAndInvisibleTextAndRememberOverlappedElements(page, writer, context); -// -// context.visitedXObjIds().clear(); -// -// removeOverlappedElements(page, writer, context); -// } -// -// try { -// pdfDoc.save(out, SDFDoc.SaveMode.LINEARIZED, null); -// } catch (Exception e) { -// log.error("File could not be saved after invisible element removal"); -// throw new RuntimeException(e); -// } -// -// writer.destroy(); -// reader.destroy(); -// pdfDoc.close(); -// } -// -// -// private void removeClippedElementsAndInvisibleTextAndRememberOverlappedElements(Page page, -// ElementWriter writer, -// InvisibleElementRemovalContext context) throws PDFNetException { -// -// context.reader().begin(page); -// writer.begin(page, ElementWriter.e_replacement, false, true, page.getResourceDict()); -// processElements(writer, context); -// writer.end(); -// context.reader().end(); -// } -// -// -// private void processElements(ElementWriter writer, InvisibleElementRemovalContext context) throws PDFNetException { -// -// for (Element element = context.reader().next(); element != null; element = context.reader().next()) -// switch (element.getType()) { -// case Element.e_image, Element.e_inline_image -> processImages(element, writer, context); -// case Element.e_text -> processText(element, writer, context); -// case Element.e_path -> processPath(element, writer, context); -// case Element.e_form -> processForm(element, writer, context); -// case Element.e_group_begin -> { -// context.clippingPathStack().enterNewGState(); -// writer.writeElement(element); -// } -// case Element.e_group_end -> { -// context.clippingPathStack().leaveGState(); -// writer.writeElement(element); -// } -// default -> writer.writeElement(element); -// } -// } -// -// -// private void processImages(Element imageElement, ElementWriter writer, InvisibleElementRemovalContext context) throws PDFNetException { -// -// Rect rect = imageElement.getBBox(); -// -// if (rect == null) { -// return; -// } -// -// boolean inClippingPath = context.clippingPathStack().almostIntersects(rect.getX1(), rect.getY1(), rect.getWidth(), rect.getHeight()); -// -// if (!context.delta() && inClippingPath) { -// context.visibleElements().add(ElementFeatures.extractFeatures(imageElement)); -// } -// -// if (context.delta() ^ inClippingPath) { -// writer.writeElement(imageElement); -// } -// } -// -// -// private void processText(Element textElement, ElementWriter writer, InvisibleElementRemovalContext context) throws PDFNetException { -// -// Rect rect = textElement.getBBox(); -// -// if (rect == null) { -// writer.writeElement(textElement); -// return; -// } -// -// GState gState = textElement.getGState(); -// -// boolean inClippingPath = context.clippingPathStack().almostIntersects(rect.getX1(), rect.getY1(), rect.getWidth(), rect.getHeight()); -// -// boolean isTextVisible = isTextRenderedVisibly(gState); -// -// if (inClippingPath && isTextVisible) { -// context.visibleElements().add(ElementFeatures.extractFeatures(textElement)); -// } -// if (!context.delta()) { -// if (inClippingPath && isTextVisible) { -// writer.writeElement(textElement); -// } else if (textElement.hasTextMatrix()) { -// /* -// PDFTron Element with type "text" refers to a Tj command. If a Tm command is just above it in the pdf file, PDFTron will join the two commands and treat them as one Element. -// hasTextMatrix() checks for this case specifically. Also, Tm changes the position for a whole BT/ET segment, possibly containing multiple Tj commands. -// Therefore, the position of a following Tj is affected by not writing the first Element. -// This is why, we write only the Tm command: -// */ -// writer.writeGStateChanges(textElement); -// } -// } else { -// if (!inClippingPath) { -// gState.setFillColorSpace(ColorSpace.createDeviceRGB()); -// // red for elements removed by clipping path -// gState.setFillColor(new ColorPt(1, 0, 0)); -// writer.writeElement(textElement); -// } -// if (!isTextVisible) { -// gState.setFillColorSpace(ColorSpace.createDeviceRGB()); -// // blue for elements removed due to transparency or not rendered -// gState.setFillColor(new ColorPt(0, 0, 1)); -// gState.setTextRenderMode(GState.e_fill_text); -// gState.setFillOpacity(1); -// writer.writeElement(textElement); -// } -// } -// } -// -// -// private void processForm(Element formElement, ElementWriter writer, InvisibleElementRemovalContext context) throws PDFNetException { -// -// writer.writeElement(formElement); -// Obj formObj = formElement.getXObject(); -// -// if (!context.visitedXObjIds().contains(formObj.getObjNum())) { -// context.visitedXObjIds().add(formObj.getObjNum()); -// // writer needs to be newly initialized when entering a new content stream -// // see ElementEditTest in PDFTron (https://www.pdftron.com/documentation/samples/android/java/ElementEditTest) -// ElementWriter formWriter = new ElementWriter(); -// context.reader().formBegin(); -// formWriter.begin(formObj); -// -// context.reader().clearChangeList(); -// formWriter.setDefaultGState(context.reader()); -// -// processElements(formWriter, context); -// formWriter.end(); -// formWriter.destroy(); -// context.reader().end(); -// } -// } -// -// -// private void processPath(Element pathElement, ElementWriter writer, InvisibleElementRemovalContext context) throws PDFNetException { -// -// PathData pathData = pathElement.getPathData(); -// -// if (pathData.getOperators().length == 0 && pathData.getPoints().length == 0) { -// writer.writeGStateChanges(pathElement); -// return; -// } -// -// GeneralPath linePath = convertToGeneralPath(pathData); -// -// //transform path to initial user space -// var ctm = pathElement.getCTM(); -// var affineTransform = toAffineTransform(ctm); -// linePath.transform(affineTransform); -// -// var rect = linePath.getBounds2D(); -// -// boolean inClippingPath = context.clippingPathStack().almostIntersects(rect.getX(), rect.getY(), rect.getWidth(), rect.getHeight()); -// -// if (pathElement.isClippingPath()) { -// if (pathElement.isClipWindingFill()) { -// linePath.setWindingRule(GeneralPath.WIND_NON_ZERO); -// } else { -// linePath.setWindingRule(GeneralPath.WIND_EVEN_ODD); -// } -// -// context.clippingPathStack().intersectClippingPath(linePath); -// pathElement.setPathClip(!context.delta()); -// writer.writeElement(pathElement); -// -// } else { -// if (pathElement.isWindingFill()) { -// linePath.setWindingRule(GeneralPath.WIND_NON_ZERO); -// } else { -// linePath.setWindingRule(GeneralPath.WIND_EVEN_ODD); -// } -// -// if (inClippingPath) { -// if (isFilledAndNonTransparent(pathElement)) { -// List currentOverlappedElements = context.visibleElements() -// .stream() -// .filter(features -> almostContains(linePath, features.getBoundingBox())) -// .toList(); -// context.overlappedElements().addAll(currentOverlappedElements); -// context.visibleElements().removeAll(currentOverlappedElements); -// } -// context.visibleElements().add(ElementFeatures.extractFeatures(pathElement)); -// if (!context.delta()) { -// writer.writeElement(pathElement); -// } -// } -// if (context.delta() && !inClippingPath) { -// pathElement.getGState().setFillColorSpace(ColorSpace.createDeviceRGB()); -// pathElement.getGState().setFillColor(new ColorPt(1, 0, 0)); -// pathElement.getGState().setStrokeColorSpace(ColorSpace.createDeviceRGB()); -// pathElement.getGState().setStrokeColor(new ColorPt(1, 0, 0)); -// writer.writeElement(pathElement); -// } -// } -// } -// -// -// private void removeOverlappedElements(Page page, ElementWriter writer, InvisibleElementRemovalContext context) throws PDFNetException { -// -// context.reader().begin(page); -// writer.begin(page, ElementWriter.e_replacement, false, true, page.getResourceDict()); -// if (context.delta()) { -// // green for element removed due to overlapping -// context.overlappedElements().forEach(feature -> drawBBox(writer, feature.getBoundingBox(), "#00FF00")); -// context.overlappedElements().clear(); -// } -// processOverlappedElements(writer, context); -// writer.end(); -// context.reader().end(); -// -// if (context.overlappedElements().size() > 0) { -// log.warn(context.overlappedElements().size() + " overlapped elements have not been found or removed"); -// } -// } -// -// -// private void processOverlappedElements(ElementWriter writer, InvisibleElementRemovalContext context) throws PDFNetException { -// -// for (Element element = context.reader().next(); element != null; element = context.reader().next()) { -// switch (element.getType()) { -// case Element.e_form -> processFormOverlappedElements(writer, element, context); -// case Element.e_path, Element.e_image, Element.e_inline_image, Element.e_text -> { -// boolean anyMatch = false; -// for (ElementFeatures elementToRemove : context.overlappedElements()) { -// if (elementToRemove.almostMatches(element)) { -// context.overlappedElements().remove(elementToRemove); -// anyMatch = true; -// break; -// } -// } -// if (!anyMatch) { -// writer.writeElement(element); -// } else if (element.getType() == 3 && element.hasTextMatrix()) { -// /* -// PDFTron Element with type "text" refers to a Tj command. If a Tm command is just above it in the pdf file, PDFTron will join the two commands and treat them as one Element. -// hasTextMatrix() checks for this case specifically. Also, Tm changes the position for a whole BT/ET segment, possibly containing multiple Tj commands. -// Therefore, the position of a following Tj is affected by not writing the first Element. -// This is why, we write only the Tm command: -// */ -// writer.writeGStateChanges(element); -// } -// } -// default -> writer.writeElement(element); -// } -// } -// } -// -// -// private void processFormOverlappedElements(ElementWriter writer, Element formElement, InvisibleElementRemovalContext context) throws PDFNetException { -// -// writer.writeElement(formElement); -// Obj formObj = formElement.getXObject(); -// -// if (!context.visitedXObjIds().contains(formObj.getObjNum())) { -// context.visitedXObjIds().add(formObj.getObjNum()); -// // writer needs to be newly initialized when entering a new content stream -// // see ElementEditTest in PDFTron (https://www.pdftron.com/documentation/samples/android/java/ElementEditTest) -// ElementWriter formWriter = new ElementWriter(); -// context.reader().formBegin(); -// formWriter.begin(formObj); -// -// context.reader().clearChangeList(); -// formWriter.setDefaultGState(context.reader()); -// -// processOverlappedElements(formWriter, context); -// formWriter.end(); -// formWriter.destroy(); -// context.reader().end(); -// } -// } -// -// -// private boolean isTextRenderedVisibly(GState gState) throws PDFNetException { -// -// return gState.getTextRenderMode() != GState.e_invisible_text && // -// !(gState.getTextRenderMode() == GState.e_fill_text && gState.getFillOpacity() == 0) && // -// !(gState.getTextRenderMode() == GState.e_stroke_text && gState.getStrokeOpacity() == 0) && // -// !(gState.getTextRenderMode() == GState.e_fill_stroke_text && gState.getFillOpacity() == 0 && gState.getStrokeOpacity() == 0); -// } -// -// -// private GeneralPath convertToGeneralPath(PathData pathData) throws PDFNetException { -// -// GeneralPath linePath = new GeneralPath(); -// Iterator points = Doubles.asList(pathData.getPoints()).iterator(); -// Iterable operators = Bytes.asList(pathData.getOperators()); -// for (var operator : operators) { -// switch (operator) { -// case PathData.e_moveto -> linePath.moveTo(points.next(), points.next()); -// case PathData.e_lineto -> linePath.lineTo(points.next(), points.next()); -// case PathData.e_cubicto -> linePath.curveTo(points.next(), points.next(), points.next(), points.next(), points.next(), points.next()); -// case PathData.e_closepath -> linePath.closePath(); -// case PathData.e_rect -> { -// double x = points.next(); -// double y = points.next(); -// double w = points.next(); -// double h = points.next(); -// linePath.moveTo(x, y); -// linePath.lineTo(x + w, y); -// linePath.lineTo(x + w, y + h); -// linePath.lineTo(x, y + h); -// linePath.closePath(); -// } -// default -> throw new PDFNetException("Invalid Element Type", 0, "", "", ""); -// } -// } -// return linePath; -// } -// -// -// private boolean almostContains(Shape outer, Rectangle2D inner) { -// //To address inconsistencies in the calculation of the bounding box we slightly shrink the inner rectangle -// -// double x_with_tolerance = inner.getX() >= 0 ? inner.getX() + TOLERANCE : inner.getX() - TOLERANCE; -// double y_with_tolerance = inner.getY() >= 0 ? inner.getY() + TOLERANCE : inner.getY() - TOLERANCE; -// double height_with_tolerance = inner.getHeight() - (2 * TOLERANCE); -// double width_with_tolerance = inner.getWidth() - (2 * TOLERANCE); -// Rectangle2D innerRect = new Rectangle2D.Double(x_with_tolerance, y_with_tolerance, width_with_tolerance, height_with_tolerance); -// -// return outer.contains(innerRect); -// } -// -// -// private boolean isFilledAndNonTransparent(Element element) throws PDFNetException { -// -// return element.isFilled() && element.getGState().getFillOpacity() == 1; -// } -// -// -// @SneakyThrows -// private void drawBBox(ElementWriter writer, Rectangle2D r, String hexcolor) { -// -// ColorPt colorPt = new ColorPt(Integer.valueOf(hexcolor.substring(1, 3), 16) / 255d, -// Integer.valueOf(hexcolor.substring(3, 5), 16) / 255d, -// Integer.valueOf(hexcolor.substring(5, 7), 16) / 255d); -// ElementBuilder eb = new ElementBuilder(); -// Element rect = eb.createRect(r.getX(), r.getY(), r.getWidth(), r.getHeight()); -// rect.setPathStroke(true); -// rect.getGState().setStrokeColorSpace(ColorSpace.createDeviceRGB()); -// rect.getGState().setStrokeColor(colorPt); -// writer.writePlacedElement(rect); -// -// colorPt.destroy(); -// eb.destroy(); -// } -// -// -// private static AffineTransform toAffineTransform(Matrix2D ctm) throws PDFNetException { -// -// return new AffineTransform(ctm.getA(), ctm.getB(), ctm.getC(), ctm.getD(), ctm.getH(), ctm.getV()); -// } -// -// -// @Builder -// private record InvisibleElementRemovalContext( -// boolean delta, -// ElementReader reader, -// ClippingPathStack clippingPathStack, -// List overlappedElements, -// List visibleElements, -// Set visitedXObjIds) { -// -// } -// -//} \ No newline at end of file