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iText layout.jar Source Code
layout.jar is a component in iText Java library to provide layout functionalities. iText Java library allows you to generate and manage PDF documents.
The Source Code files are provided together with the JAR file in the binary packge like iText7-Core-7.1.4.zip. You can download it at iText 7 Core Download site.
You can compile it to generate your JAR file, using layout.pom as the build configuration file.
The source code of layout-7.1.4.jar is provided below:
✍: FYIcenter.com
⏎ com/itextpdf/layout/renderer/CollapsedTableBorders.java
/* This file is part of the iText (R) project. Copyright (c) 1998-2018 iText Group NV Authors: iText Software. This program is free software; you can redistribute it and/or modify it under the terms of the GNU Affero General Public License version 3 as published by the Free Software Foundation with the addition of the following permission added to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT OF THIRD PARTY RIGHTS This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details. You should have received a copy of the GNU Affero General Public License along with this program; if not, see http://www.gnu.org/licenses or write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA, 02110-1301 USA, or download the license from the following URL: http://itextpdf.com/terms-of-use/ The interactive user interfaces in modified source and object code versions of this program must display Appropriate Legal Notices, as required under Section 5 of the GNU Affero General Public License. In accordance with Section 7(b) of the GNU Affero General Public License, a covered work must retain the producer line in every PDF that is created or manipulated using iText. You can be released from the requirements of the license by purchasing a commercial license. Buying such a license is mandatory as soon as you develop commercial activities involving the iText software without disclosing the source code of your own applications. These activities include: offering paid services to customers as an ASP, serving PDFs on the fly in a web application, shipping iText with a closed source product. For more information, please contact iText Software Corp. at this address: sales@itextpdf.com */ package com.itextpdf.layout.renderer; import com.itextpdf.kernel.geom.Rectangle; import com.itextpdf.kernel.pdf.canvas.PdfCanvas; import com.itextpdf.layout.borders.Border; import com.itextpdf.layout.element.Cell; import com.itextpdf.layout.element.Table; import com.itextpdf.layout.property.Property; import java.util.ArrayList; import java.util.List; class CollapsedTableBorders extends TableBorders { private List<Border> topBorderCollapseWith = new ArrayList<Border>(); private List<Border> bottomBorderCollapseWith = new ArrayList<Border>(); // region constructors public CollapsedTableBorders(List<CellRenderer[]> rows, int numberOfColumns, Border[] tableBoundingBorders) { super(rows, numberOfColumns, tableBoundingBorders); } public CollapsedTableBorders(List<CellRenderer[]> rows, int numberOfColumns, Border[] tableBoundingBorders, int largeTableIndexOffset) { super(rows, numberOfColumns, tableBoundingBorders, largeTableIndexOffset); } // endregion // region getters public List<Border> getTopBorderCollapseWith() { return topBorderCollapseWith; } public List<Border> getBottomBorderCollapseWith() { return bottomBorderCollapseWith; } public float[] getCellBorderIndents(int row, int col, int rowspan, int colspan) { float[] indents = new float[4]; List<Border> borderList; Border border; // process top border borderList = getHorizontalBorder(startRow + row - rowspan + 1); for (int i = col; i < col + colspan; i++) { border = borderList.get(i); if (null != border && border.getWidth() > indents[0]) { indents[0] = border.getWidth(); } } // process right border borderList = getVerticalBorder(col + colspan); for (int i = startRow - largeTableIndexOffset + row - rowspan + 1; i < startRow - largeTableIndexOffset + row + 1; i++) { border = borderList.get(i); if (null != border && border.getWidth() > indents[1]) { indents[1] = border.getWidth(); } } // process bottom border borderList = getHorizontalBorder(startRow + row + 1); for (int i = col; i < col + colspan; i++) { border = borderList.get(i); if (null != border && border.getWidth() > indents[2]) { indents[2] = border.getWidth(); } } // process left border borderList = getVerticalBorder(col); for (int i = startRow - largeTableIndexOffset + row - rowspan + 1; i < startRow - largeTableIndexOffset + row + 1; i++) { border = borderList.get(i); if (null != border && border.getWidth() > indents[3]) { indents[3] = border.getWidth(); } } return indents; } public List<Border> getVerticalBorder(int index) { if (index == 0) { List<Border> borderList = TableBorderUtil.createAndFillBorderList(null, tableBoundingBorders[3], verticalBorders.get(0).size()); return getCollapsedList(verticalBorders.get(0), borderList); } else if (index == numberOfColumns) { List<Border> borderList = TableBorderUtil.createAndFillBorderList(null, tableBoundingBorders[1], verticalBorders.get(0).size()); return getCollapsedList(verticalBorders.get(verticalBorders.size() - 1), borderList); } else { return verticalBorders.get(index); } } public List<Border> getHorizontalBorder(int index) { if (index == startRow) { List<Border> firstBorderOnCurrentPage = TableBorderUtil.createAndFillBorderList(topBorderCollapseWith, tableBoundingBorders[0], numberOfColumns); if (index == largeTableIndexOffset) { return getCollapsedList(horizontalBorders.get(index - largeTableIndexOffset), firstBorderOnCurrentPage); } if (0 != rows.size()) { int col = 0; int row = index; while (col < numberOfColumns) { if (null != rows.get(row - largeTableIndexOffset)[col] && row - index + 1 <= (int) ((Cell) rows.get(row - largeTableIndexOffset)[col].getModelElement()).getRowspan()) { CellRenderer cell = rows.get(row - largeTableIndexOffset)[col]; Border cellModelTopBorder = TableBorderUtil.getCellSideBorder(((Cell) cell.getModelElement()), Property.BORDER_TOP); int colspan = (int) cell.getPropertyAsInteger(Property.COLSPAN); if (null == firstBorderOnCurrentPage.get(col) || (null != cellModelTopBorder && cellModelTopBorder.getWidth() > firstBorderOnCurrentPage.get(col).getWidth())) { for (int i = col; i < col + colspan; i++) { firstBorderOnCurrentPage.set(i, cellModelTopBorder); } } col += colspan; row = index; } else { row++; if (row == rows.size()) { break; } } } } return firstBorderOnCurrentPage; } else if ((index == finishRow + 1)) { List<Border> lastBorderOnCurrentPage = TableBorderUtil.createAndFillBorderList(bottomBorderCollapseWith, tableBoundingBorders[2], numberOfColumns); if (index - largeTableIndexOffset == horizontalBorders.size() - 1) { return getCollapsedList(horizontalBorders.get(index - largeTableIndexOffset), lastBorderOnCurrentPage); } if (0 != rows.size()) { int col = 0; int row = index - 1; while (col < numberOfColumns) { if (null != rows.get(row - largeTableIndexOffset)[col]) { // TODO CellRenderer cell = rows.get(row - largeTableIndexOffset)[col]; Border cellModelBottomBorder = TableBorderUtil.getCellSideBorder(((Cell) cell.getModelElement()), Property.BORDER_BOTTOM); int colspan = (int) cell.getPropertyAsInteger(Property.COLSPAN); if (null == lastBorderOnCurrentPage.get(col) || (null != cellModelBottomBorder && cellModelBottomBorder.getWidth() > lastBorderOnCurrentPage.get(col).getWidth())) { for (int i = col; i < col + colspan; i++) { lastBorderOnCurrentPage.set(i, cellModelBottomBorder); } } col += colspan; row = index - 1; } else { row++; if (row == rows.size()) { break; } } } } return lastBorderOnCurrentPage; } else { return horizontalBorders.get(index - largeTableIndexOffset); } } // endregion // region setters public CollapsedTableBorders setTopBorderCollapseWith(List<Border> topBorderCollapseWith) { this.topBorderCollapseWith = new ArrayList<Border>(); if (null != topBorderCollapseWith) { this.topBorderCollapseWith.addAll(topBorderCollapseWith); } return this; } public CollapsedTableBorders setBottomBorderCollapseWith(List<Border> bottomBorderCollapseWith) { this.bottomBorderCollapseWith = new ArrayList<Border>(); if (null != bottomBorderCollapseWith) { this.bottomBorderCollapseWith.addAll(bottomBorderCollapseWith); } return this; } //endregion protected void buildBordersArrays(CellRenderer cell, int row, int col, int[] rowspansToDeduct) { // We should check if the row number is less than horizontal borders array size. It can happen if the cell with // big rowspan doesn't fit current area and is going to be placed partial. if (row > horizontalBorders.size()) { row--; } int currCellColspan = (int) cell.getPropertyAsInteger(Property.COLSPAN); int nextCellRow; int j; // consider the cell on the left side of the current one if (col != 0 && null == rows.get(row)[col - 1]) { j = col; do { j--; nextCellRow = row; while (rows.size() != nextCellRow && null == rows.get(nextCellRow)[j]) { nextCellRow++; } } while (j > 0 && rows.size() != nextCellRow && (j + (int) rows.get(nextCellRow)[j].getPropertyAsInteger(Property.COLSPAN) != col || (int) nextCellRow - rows.get((int) nextCellRow)[j].getPropertyAsInteger(Property.ROWSPAN) + 1 + rowspansToDeduct[j] != row)); // process only valid cells which hasn't been processed yet if (j >= 0 && nextCellRow != rows.size() && nextCellRow > row) { CellRenderer nextCell = rows.get(nextCellRow)[j]; nextCell.setProperty(Property.ROWSPAN, ((int) nextCell.getPropertyAsInteger(Property.ROWSPAN)) - rowspansToDeduct[j]); int nextCellColspan = (int) nextCell.getPropertyAsInteger(Property.COLSPAN); for (int i = j; i < j + nextCellColspan; i++) { rowspansToDeduct[i] = 0; } buildBordersArrays(nextCell, nextCellRow, true); } } // consider cells under the current one j = 0; while (j < currCellColspan) { nextCellRow = row + 1; while (nextCellRow < rows.size() && null == rows.get(nextCellRow)[col + j]) { nextCellRow++; } if (nextCellRow == rows.size()) { break; } CellRenderer nextCell = rows.get(nextCellRow)[col + j]; // otherwise the border was considered previously if (row == nextCellRow - (int) nextCell.getPropertyAsInteger(Property.ROWSPAN)) { buildBordersArrays(nextCell, nextCellRow, true); } j += (int) nextCell.getPropertyAsInteger(Property.COLSPAN); } // consider cells on the right side of the current one if (col + currCellColspan < rows.get(row).length) { nextCellRow = row; while (nextCellRow < rows.size() && null == rows.get(nextCellRow)[col + currCellColspan]) { nextCellRow++; } if (nextCellRow != rows.size()) { CellRenderer nextCell = rows.get(nextCellRow)[col + currCellColspan]; nextCell.setProperty(Property.ROWSPAN, ((int) nextCell.getPropertyAsInteger(Property.ROWSPAN)) - rowspansToDeduct[col + currCellColspan]); int nextCellColspan = (int) nextCell.getPropertyAsInteger(Property.COLSPAN); for (int i = col + currCellColspan; i < col + currCellColspan + nextCellColspan; i++) { rowspansToDeduct[i] = 0; } buildBordersArrays(nextCell, nextCellRow, true); } } // consider current cell buildBordersArrays(cell, row, false); } protected void buildBordersArrays(CellRenderer cell, int row, boolean isNeighbourCell) { int colspan = (int) cell.getPropertyAsInteger(Property.COLSPAN); int rowspan = (int) cell.getPropertyAsInteger(Property.ROWSPAN); int colN = ((Cell) cell.getModelElement()).getCol(); Border[] cellBorders = cell.getBorders(); // cell with big rowspan was splitted if (row + 1 - rowspan < 0) { rowspan = row + 1; } // consider top border for (int i = 0; i < colspan; i++) { checkAndReplaceBorderInArray(horizontalBorders, row + 1 - rowspan, colN + i, cellBorders[0], false); } // consider bottom border for (int i = 0; i < colspan; i++) { checkAndReplaceBorderInArray(horizontalBorders, row + 1, colN + i, cellBorders[2], true); } // consider left border for (int j = row - rowspan + 1; j <= row; j++) { checkAndReplaceBorderInArray(verticalBorders, colN, j, cellBorders[3], false); } // consider right border for (int i = row - rowspan + 1; i <= row; i++) { checkAndReplaceBorderInArray(verticalBorders, colN + colspan, i, cellBorders[1], true); } } // endregion // region lowlevel protected boolean checkAndReplaceBorderInArray(List<List<Border>> borderArray, int i, int j, Border borderToAdd, boolean hasPriority) { // if (borderArray.size() <= i) { // for (int count = borderArray.size(); count <= i; count++) { // borderArray.add(new ArrayList<Border>()); // } // } List<Border> borders = borderArray.get(i); // if (borders.isEmpty()) { // for (int count = 0; count < j; count++) { // borders.add(null); // } // borders.add(borderToAdd); // return true; // } // if (borders.size() == j) { // borders.add(borderToAdd); // return true; // } // if (borders.size() < j) { // for (int count = borders.size(); count <= j; count++) { // borders.add(count, null); // } // } Border neighbour = borders.get(j); if (neighbour == null) { borders.set(j, borderToAdd); return true; } else { if (neighbour != borderToAdd) { if (borderToAdd != null && neighbour.getWidth() <= borderToAdd.getWidth()) { if (!hasPriority && neighbour.getWidth() == borderToAdd.getWidth()) { return false; } borders.set(j, borderToAdd); return true; } } } return false; } // endregion // region draw protected TableBorders drawHorizontalBorder(int i, float startX, float y1, PdfCanvas canvas, float[] countedColumnWidth) { List<Border> borders = getHorizontalBorder(startRow /*- largeTableIndexOffset*/ + i); float x1 = startX; float x2 = x1 + countedColumnWidth[0]; if (i == 0) { Border firstBorder = getFirstVerticalBorder().get(startRow - largeTableIndexOffset); if (firstBorder != null) { x1 -= firstBorder.getWidth() / 2; } } else if (i == finishRow - startRow + 1) { Border firstBorder = getFirstVerticalBorder().get(startRow - largeTableIndexOffset + finishRow - startRow + 1 - 1); if (firstBorder != null) { x1 -= firstBorder.getWidth() / 2; } } int j; for (j = 1; j < borders.size(); j++) { Border prevBorder = borders.get(j - 1); Border curBorder = borders.get(j); if (prevBorder != null) { if (!prevBorder.equals(curBorder)) { prevBorder.drawCellBorder(canvas, x1, y1, x2, y1, Border.Side.NONE); x1 = x2; } } else { x1 += countedColumnWidth[j - 1]; x2 = x1; } if (curBorder != null) { x2 += countedColumnWidth[j]; } } Border lastBorder = borders.size() > j - 1 ? borders.get(j - 1) : null; if (lastBorder != null) { if (i == 0) { if (getVerticalBorder(j).get(startRow - largeTableIndexOffset + i) != null) x2 += getVerticalBorder(j).get(startRow - largeTableIndexOffset + i).getWidth() / 2; } else if (i == finishRow - startRow + 1 && getVerticalBorder(j).size() > startRow - largeTableIndexOffset + i - 1 && getVerticalBorder(j).get(startRow - largeTableIndexOffset + i - 1) != null) { x2 += getVerticalBorder(j).get(startRow - largeTableIndexOffset + i - 1).getWidth() / 2; } lastBorder.drawCellBorder(canvas, x1, y1, x2, y1, Border.Side.NONE); } return this; } protected TableBorders drawVerticalBorder(int i, float startY, float x1, PdfCanvas canvas, List<Float> heights) { List<Border> borders = getVerticalBorder(i); float y1 = startY; float y2 = y1; if (!heights.isEmpty()) { y2 = y1 - (float) heights.get(0); } int j; for (j = 1; j < heights.size(); j++) { Border prevBorder = borders.get(startRow - largeTableIndexOffset + j - 1); Border curBorder = borders.get(startRow - largeTableIndexOffset + j); if (prevBorder != null) { if (!prevBorder.equals(curBorder)) { prevBorder.drawCellBorder(canvas, x1, y1, x1, y2, Border.Side.NONE); y1 = y2; } } else { y1 -= (float) heights.get(j - 1); y2 = y1; } if (curBorder != null) { y2 -= (float) heights.get(j); } } if (borders.size() == 0) { return this; } Border lastBorder = borders.get(startRow - largeTableIndexOffset + j - 1); if (lastBorder != null) { lastBorder.drawCellBorder(canvas, x1, y1, x1, y2, Border.Side.NONE); } return this; } // endregion // region static /** * Returns the collapsed border. We process collapse * if the table border width is strictly greater than cell border width. * * @param cellBorder cell border * @param tableBorder table border * @return the collapsed border */ public static Border getCollapsedBorder(Border cellBorder, Border tableBorder) { if (null != tableBorder) { if (null == cellBorder || cellBorder.getWidth() < tableBorder.getWidth()) { return tableBorder; } } if (null != cellBorder) { return cellBorder; } else { return Border.NO_BORDER; } } public static List<Border> getCollapsedList(List<Border> innerList, List<Border> outerList) { int size = Math.min(null == innerList ? 0 : innerList.size(), null == outerList ? 0 : outerList.size()); List<Border> collapsedList = new ArrayList<Border>(); for (int i = 0; i < size; i++) { collapsedList.add(getCollapsedBorder(innerList.get(i), outerList.get(i))); } return collapsedList; } // endregion // region occupation protected TableBorders applyLeftAndRightTableBorder(Rectangle layoutBox, boolean reverse) { if (null != layoutBox) { layoutBox.applyMargins(0, rightBorderMaxWidth / 2, 0, leftBorderMaxWidth / 2, reverse); } return this; } protected TableBorders applyTopTableBorder(Rectangle occupiedBox, Rectangle layoutBox, boolean isEmpty, boolean force, boolean reverse) { if (!isEmpty) { return applyTopTableBorder(occupiedBox, layoutBox, reverse); } else if (force) { // process empty table applyTopTableBorder(occupiedBox, layoutBox, reverse); return applyTopTableBorder(occupiedBox, layoutBox, reverse); } return this; } protected TableBorders applyBottomTableBorder(Rectangle occupiedBox, Rectangle layoutBox, boolean isEmpty, boolean force, boolean reverse) { if (!isEmpty) { return applyBottomTableBorder(occupiedBox, layoutBox, reverse); } else if (force) { // process empty table applyBottomTableBorder(occupiedBox, layoutBox, reverse); return applyBottomTableBorder(occupiedBox, layoutBox, reverse); } return this; } protected TableBorders applyTopTableBorder(Rectangle occupiedBox, Rectangle layoutBox, boolean reverse) { float topIndent = (reverse ? -1 : 1) * getMaxTopWidth(); layoutBox.decreaseHeight(topIndent / 2); occupiedBox.moveDown(topIndent / 2).increaseHeight(topIndent / 2); return this; } protected TableBorders applyBottomTableBorder(Rectangle occupiedBox, Rectangle layoutBox, boolean reverse) { float bottomTableBorderWidth = (reverse ? -1 : 1) * getMaxBottomWidth(); layoutBox.decreaseHeight(bottomTableBorderWidth / 2); occupiedBox.moveDown(bottomTableBorderWidth / 2).increaseHeight(bottomTableBorderWidth / 2); return this; } protected TableBorders applyCellIndents(Rectangle box, float topIndent, float rightIndent, float bottomIndent, float leftIndent, boolean reverse) { box.applyMargins(topIndent / 2, rightIndent / 2, bottomIndent / 2, leftIndent / 2, false); return this; } protected float getCellVerticalAddition(float[] indents) { return indents[0] / 2 + indents[2] / 2; } // endregion // region update, footer/header protected TableBorders updateBordersOnNewPage(boolean isOriginalNonSplitRenderer, boolean isFooterOrHeader, TableRenderer currentRenderer, TableRenderer headerRenderer, TableRenderer footerRenderer) { if (!isFooterOrHeader) { // collapse all cell borders if (isOriginalNonSplitRenderer) { if (null != rows) { processAllBordersAndEmptyRows(); rightBorderMaxWidth = getMaxRightWidth(); leftBorderMaxWidth = getMaxLeftWidth(); } setTopBorderCollapseWith(((Table) currentRenderer.getModelElement()).getLastRowBottomBorder()); } else { setTopBorderCollapseWith(null); setBottomBorderCollapseWith(null); } } if (null != footerRenderer) { float rightFooterBorderWidth = footerRenderer.bordersHandler.getMaxRightWidth(); float leftFooterBorderWidth = footerRenderer.bordersHandler.getMaxLeftWidth(); leftBorderMaxWidth = Math.max(leftBorderMaxWidth, leftFooterBorderWidth); rightBorderMaxWidth = Math.max(rightBorderMaxWidth, rightFooterBorderWidth); } if (null != headerRenderer) { float rightHeaderBorderWidth = headerRenderer.bordersHandler.getMaxRightWidth(); float leftHeaderBorderWidth = headerRenderer.bordersHandler.getMaxLeftWidth(); leftBorderMaxWidth = Math.max(leftBorderMaxWidth, leftHeaderBorderWidth); rightBorderMaxWidth = Math.max(rightBorderMaxWidth, rightHeaderBorderWidth); } return this; } protected TableBorders skipFooter(Border[] borders) { setTableBoundingBorders(borders); setBottomBorderCollapseWith(null); return this; } protected TableBorders skipHeader(Border[] borders) { setTableBoundingBorders(borders); setTopBorderCollapseWith(null); return this; } protected TableBorders collapseTableWithFooter(TableBorders footerBordersHandler, boolean hasContent) { ((CollapsedTableBorders) footerBordersHandler).setTopBorderCollapseWith(hasContent ? getLastHorizontalBorder() : getTopBorderCollapseWith()); setBottomBorderCollapseWith(footerBordersHandler.getHorizontalBorder(0)); return this; } protected TableBorders collapseTableWithHeader(TableBorders headerBordersHandler, boolean updateBordersHandler) { ((CollapsedTableBorders) headerBordersHandler).setBottomBorderCollapseWith(getHorizontalBorder(startRow)); if (updateBordersHandler) { setTopBorderCollapseWith(headerBordersHandler.getLastHorizontalBorder()); } return this; } protected TableBorders fixHeaderOccupiedArea(Rectangle occupiedBox, Rectangle layoutBox) { float topBorderMaxWidth = getMaxTopWidth(); layoutBox.increaseHeight(topBorderMaxWidth); occupiedBox.moveUp(topBorderMaxWidth).decreaseHeight(topBorderMaxWidth); return this; } // endregion }
⏎ com/itextpdf/layout/renderer/CollapsedTableBorders.java
Or download all of them as a single archive file:
File name: layout-7.1.4-sources.jar File size: 446816 bytes Release date: 2018-10-09 Download
⇒ iText 5 itextpdf.jar Source Code
2021-07-03, 22927👍, 0💬
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