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<?php /** * PHPExcel_Shared_Excel5 * * Copyright (c) 2006 - 2015 PHPExcel * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * @category PHPExcel * @package PHPExcel_Shared * @copyright Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel) * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL * @version ##VERSION##, ##DATE## */ class PHPExcel_Shared_Excel5 { /** * Get the width of a column in pixels. We use the relationship y = ceil(7x) where * x is the width in intrinsic Excel units (measuring width in number of normal characters) * This holds for Arial 10 * * @param PHPExcel_Worksheet $sheet The sheet * @param string $col The column * @return integer The width in pixels */ public static function sizeCol($sheet, $col = 'A') { // default font of the workbook $font = $sheet->getParent()->getDefaultStyle()->getFont(); $columnDimensions = $sheet->getColumnDimensions(); // first find the true column width in pixels (uncollapsed and unhidden) if (isset($columnDimensions[$col]) and $columnDimensions[$col]->getWidth() != -1) { // then we have column dimension with explicit width $columnDimension = $columnDimensions[$col]; $width = $columnDimension->getWidth(); $pixelWidth = PHPExcel_Shared_Drawing::cellDimensionToPixels($width, $font); } elseif ($sheet->getDefaultColumnDimension()->getWidth() != -1) { // then we have default column dimension with explicit width $defaultColumnDimension = $sheet->getDefaultColumnDimension(); $width = $defaultColumnDimension->getWidth(); $pixelWidth = PHPExcel_Shared_Drawing::cellDimensionToPixels($width, $font); } else { // we don't even have any default column dimension. Width depends on default font $pixelWidth = PHPExcel_Shared_Font::getDefaultColumnWidthByFont($font, true); } // now find the effective column width in pixels if (isset($columnDimensions[$col]) and !$columnDimensions[$col]->getVisible()) { $effectivePixelWidth = 0; } else { $effectivePixelWidth = $pixelWidth; } return $effectivePixelWidth; } /** * Convert the height of a cell from user's units to pixels. By interpolation * the relationship is: y = 4/3x. If the height hasn't been set by the user we * use the default value. If the row is hidden we use a value of zero. * * @param PHPExcel_Worksheet $sheet The sheet * @param integer $row The row index (1-based) * @return integer The width in pixels */ public static function sizeRow($sheet, $row = 1) { // default font of the workbook $font = $sheet->getParent()->getDefaultStyle()->getFont(); $rowDimensions = $sheet->getRowDimensions(); // first find the true row height in pixels (uncollapsed and unhidden) if (isset($rowDimensions[$row]) and $rowDimensions[$row]->getRowHeight() != -1) { // then we have a row dimension $rowDimension = $rowDimensions[$row]; $rowHeight = $rowDimension->getRowHeight(); $pixelRowHeight = (int) ceil(4 * $rowHeight / 3); // here we assume Arial 10 } elseif ($sheet->getDefaultRowDimension()->getRowHeight() != -1) { // then we have a default row dimension with explicit height $defaultRowDimension = $sheet->getDefaultRowDimension(); $rowHeight = $defaultRowDimension->getRowHeight(); $pixelRowHeight = PHPExcel_Shared_Drawing::pointsToPixels($rowHeight); } else { // we don't even have any default row dimension. Height depends on default font $pointRowHeight = PHPExcel_Shared_Font::getDefaultRowHeightByFont($font); $pixelRowHeight = PHPExcel_Shared_Font::fontSizeToPixels($pointRowHeight); } // now find the effective row height in pixels if (isset($rowDimensions[$row]) and !$rowDimensions[$row]->getVisible()) { $effectivePixelRowHeight = 0; } else { $effectivePixelRowHeight = $pixelRowHeight; } return $effectivePixelRowHeight; } /** * Get the horizontal distance in pixels between two anchors * The distanceX is found as sum of all the spanning columns widths minus correction for the two offsets * * @param PHPExcel_Worksheet $sheet * @param string $startColumn * @param integer $startOffsetX Offset within start cell measured in 1/1024 of the cell width * @param string $endColumn * @param integer $endOffsetX Offset within end cell measured in 1/1024 of the cell width * @return integer Horizontal measured in pixels */ public static function getDistanceX(PHPExcel_Worksheet $sheet, $startColumn = 'A', $startOffsetX = 0, $endColumn = 'A', $endOffsetX = 0) { $distanceX = 0; // add the widths of the spanning columns $startColumnIndex = PHPExcel_Cell::columnIndexFromString($startColumn) - 1; // 1-based $endColumnIndex = PHPExcel_Cell::columnIndexFromString($endColumn) - 1; // 1-based for ($i = $startColumnIndex; $i <= $endColumnIndex; ++$i) { $distanceX += self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($i)); } // correct for offsetX in startcell $distanceX -= (int) floor(self::sizeCol($sheet, $startColumn) * $startOffsetX / 1024); // correct for offsetX in endcell $distanceX -= (int) floor(self::sizeCol($sheet, $endColumn) * (1 - $endOffsetX / 1024)); return $distanceX; } /** * Get the vertical distance in pixels between two anchors * The distanceY is found as sum of all the spanning rows minus two offsets * * @param PHPExcel_Worksheet $sheet * @param integer $startRow (1-based) * @param integer $startOffsetY Offset within start cell measured in 1/256 of the cell height * @param integer $endRow (1-based) * @param integer $endOffsetY Offset within end cell measured in 1/256 of the cell height * @return integer Vertical distance measured in pixels */ public static function getDistanceY(PHPExcel_Worksheet $sheet, $startRow = 1, $startOffsetY = 0, $endRow = 1, $endOffsetY = 0) { $distanceY = 0; // add the widths of the spanning rows for ($row = $startRow; $row <= $endRow; ++$row) { $distanceY += self::sizeRow($sheet, $row); } // correct for offsetX in startcell $distanceY -= (int) floor(self::sizeRow($sheet, $startRow) * $startOffsetY / 256); // correct for offsetX in endcell $distanceY -= (int) floor(self::sizeRow($sheet, $endRow) * (1 - $endOffsetY / 256)); return $distanceY; } /** * Convert 1-cell anchor coordinates to 2-cell anchor coordinates * This function is ported from PEAR Spreadsheet_Writer_Excel with small modifications * * Calculate the vertices that define the position of the image as required by * the OBJ record. * * +------------+------------+ * | A | B | * +-----+------------+------------+ * | |(x1,y1) | | * | 1 |(A1)._______|______ | * | | | | | * | | | | | * +-----+----| BITMAP |-----+ * | | | | | * | 2 | |______________. | * | | | (B2)| * | | | (x2,y2)| * +---- +------------+------------+ * * Example of a bitmap that covers some of the area from cell A1 to cell B2. * * Based on the width and height of the bitmap we need to calculate 8 vars: * $col_start, $row_start, $col_end, $row_end, $x1, $y1, $x2, $y2. * The width and height of the cells are also variable and have to be taken into * account. * The values of $col_start and $row_start are passed in from the calling * function. The values of $col_end and $row_end are calculated by subtracting * the width and height of the bitmap from the width and height of the * underlying cells. * The vertices are expressed as a percentage of the underlying cell width as * follows (rhs values are in pixels): * * x1 = X / W *1024 * y1 = Y / H *256 * x2 = (X-1) / W *1024 * y2 = (Y-1) / H *256 * * Where: X is distance from the left side of the underlying cell * Y is distance from the top of the underlying cell * W is the width of the cell * H is the height of the cell * * @param PHPExcel_Worksheet $sheet * @param string $coordinates E.g. 'A1' * @param integer $offsetX Horizontal offset in pixels * @param integer $offsetY Vertical offset in pixels * @param integer $width Width in pixels * @param integer $height Height in pixels * @return array */ public static function oneAnchor2twoAnchor($sheet, $coordinates, $offsetX, $offsetY, $width, $height) { list($column, $row) = PHPExcel_Cell::coordinateFromString($coordinates); $col_start = PHPExcel_Cell::columnIndexFromString($column) - 1; $row_start = $row - 1; $x1 = $offsetX; $y1 = $offsetY; // Initialise end cell to the same as the start cell $col_end = $col_start; // Col containing lower right corner of object $row_end = $row_start; // Row containing bottom right corner of object // Zero the specified offset if greater than the cell dimensions if ($x1 >= self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($col_start))) { $x1 = 0; } if ($y1 >= self::sizeRow($sheet, $row_start + 1)) { $y1 = 0; } $width = $width + $x1 -1; $height = $height + $y1 -1; // Subtract the underlying cell widths to find the end cell of the image while ($width >= self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($col_end))) { $width -= self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($col_end)); ++$col_end; } // Subtract the underlying cell heights to find the end cell of the image while ($height >= self::sizeRow($sheet, $row_end + 1)) { $height -= self::sizeRow($sheet, $row_end + 1); ++$row_end; } // Bitmap isn't allowed to start or finish in a hidden cell, i.e. a cell // with zero height or width. if (self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($col_start)) == 0) { return; } if (self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($col_end)) == 0) { return; } if (self::sizeRow($sheet, $row_start + 1) == 0) { return; } if (self::sizeRow($sheet, $row_end + 1) == 0) { return; } // Convert the pixel values to the percentage value expected by Excel $x1 = $x1 / self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($col_start)) * 1024; $y1 = $y1 / self::sizeRow($sheet, $row_start + 1) * 256; $x2 = ($width + 1) / self::sizeCol($sheet, PHPExcel_Cell::stringFromColumnIndex($col_end)) * 1024; // Distance to right side of object $y2 = ($height + 1) / self::sizeRow($sheet, $row_end + 1) * 256; // Distance to bottom of object $startCoordinates = PHPExcel_Cell::stringFromColumnIndex($col_start) . ($row_start + 1); $endCoordinates = PHPExcel_Cell::stringFromColumnIndex($col_end) . ($row_end + 1); $twoAnchor = array( 'startCoordinates' => $startCoordinates, 'startOffsetX' => $x1, 'startOffsetY' => $y1, 'endCoordinates' => $endCoordinates, 'endOffsetX' => $x2, 'endOffsetY' => $y2, ); return $twoAnchor; } }
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