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+<?php

+/**

+ * PHPExcel

+ *

+ * Copyright (c) 2006 - 2012 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 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)

+ * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL

+ * @version    1.7.8, 2012-10-12

+ */

+

+/**

+ * PHPExcel_Shared_Excel5

+ *

+ * @category   PHPExcel

+ * @package    PHPExcel_Shared

+ * @copyright  Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)

+ */

+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 integer $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);

+

+		} else if ($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

+

+		} else if ($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 $startOffset Offset within start cell measured in 1/1024 of the cell width

+	 * @param string $endColumn

+	 * @param integer $endOffset 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 string $startRow (1-based)

+	 * @param integer $startOffset Offset within start cell measured in 1/256 of the cell height

+	 * @param string $endRow (1-based)

+	 * @param integer $endOffset 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;

+	}

+

+}