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Diffstat (limited to 'admin/survey/excel/PHPExcel/Shared/Drawing.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/Shared/Drawing.php | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/Shared/Drawing.php b/admin/survey/excel/PHPExcel/Shared/Drawing.php new file mode 100644 index 0000000..e8bf4a1 --- /dev/null +++ b/admin/survey/excel/PHPExcel/Shared/Drawing.php @@ -0,0 +1,272 @@ +<?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_Drawing
+ *
+ * @category PHPExcel
+ * @package PHPExcel_Shared
+ * @copyright Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Shared_Drawing
+{
+ /**
+ * Convert pixels to EMU
+ *
+ * @param int $pValue Value in pixels
+ * @return int Value in EMU
+ */
+ public static function pixelsToEMU($pValue = 0) {
+ return round($pValue * 9525);
+ }
+
+ /**
+ * Convert EMU to pixels
+ *
+ * @param int $pValue Value in EMU
+ * @return int Value in pixels
+ */
+ public static function EMUToPixels($pValue = 0) {
+ if ($pValue != 0) {
+ return round($pValue / 9525);
+ } else {
+ return 0;
+ }
+ }
+
+ /**
+ * Convert pixels to column width. Exact algorithm not known.
+ * By inspection of a real Excel file using Calibri 11, one finds 1000px ~ 142.85546875
+ * This gives a conversion factor of 7. Also, we assume that pixels and font size are proportional.
+ *
+ * @param int $pValue Value in pixels
+ * @param PHPExcel_Style_Font $pDefaultFont Default font of the workbook
+ * @return int Value in cell dimension
+ */
+ public static function pixelsToCellDimension($pValue = 0, PHPExcel_Style_Font $pDefaultFont) {
+ // Font name and size
+ $name = $pDefaultFont->getName();
+ $size = $pDefaultFont->getSize();
+
+ if (isset(PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size])) {
+ // Exact width can be determined
+ $colWidth = $pValue
+ * PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['width']
+ / PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['px'];
+ } else {
+ // We don't have data for this particular font and size, use approximation by
+ // extrapolating from Calibri 11
+ $colWidth = $pValue * 11
+ * PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['width']
+ / PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['px'] / $size;
+ }
+
+ return $colWidth;
+ }
+
+ /**
+ * Convert column width from (intrinsic) Excel units to pixels
+ *
+ * @param float $pValue Value in cell dimension
+ * @param PHPExcel_Style_Font $pDefaultFont Default font of the workbook
+ * @return int Value in pixels
+ */
+ public static function cellDimensionToPixels($pValue = 0, PHPExcel_Style_Font $pDefaultFont) {
+ // Font name and size
+ $name = $pDefaultFont->getName();
+ $size = $pDefaultFont->getSize();
+
+ if (isset(PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size])) {
+ // Exact width can be determined
+ $colWidth = $pValue
+ * PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['px']
+ / PHPExcel_Shared_Font::$defaultColumnWidths[$name][$size]['width'];
+
+ } else {
+ // We don't have data for this particular font and size, use approximation by
+ // extrapolating from Calibri 11
+ $colWidth = $pValue * $size
+ * PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['px']
+ / PHPExcel_Shared_Font::$defaultColumnWidths['Calibri'][11]['width'] / 11;
+ }
+
+ // Round pixels to closest integer
+ $colWidth = (int) round($colWidth);
+
+ return $colWidth;
+ }
+
+ /**
+ * Convert pixels to points
+ *
+ * @param int $pValue Value in pixels
+ * @return int Value in points
+ */
+ public static function pixelsToPoints($pValue = 0) {
+ return $pValue * 0.67777777;
+ }
+
+ /**
+ * Convert points to pixels
+ *
+ * @param int $pValue Value in points
+ * @return int Value in pixels
+ */
+ public static function pointsToPixels($pValue = 0) {
+ if ($pValue != 0) {
+ return (int) ceil($pValue * 1.333333333);
+ } else {
+ return 0;
+ }
+ }
+
+ /**
+ * Convert degrees to angle
+ *
+ * @param int $pValue Degrees
+ * @return int Angle
+ */
+ public static function degreesToAngle($pValue = 0) {
+ return (int)round($pValue * 60000);
+ }
+
+ /**
+ * Convert angle to degrees
+ *
+ * @param int $pValue Angle
+ * @return int Degrees
+ */
+ public static function angleToDegrees($pValue = 0) {
+ if ($pValue != 0) {
+ return round($pValue / 60000);
+ } else {
+ return 0;
+ }
+ }
+
+ /**
+ * Create a new image from file. By alexander at alexauto dot nl
+ *
+ * @link http://www.php.net/manual/en/function.imagecreatefromwbmp.php#86214
+ * @param string $filename Path to Windows DIB (BMP) image
+ * @return resource
+ */
+ public static function imagecreatefrombmp($p_sFile)
+ {
+ // Load the image into a string
+ $file = fopen($p_sFile,"rb");
+ $read = fread($file,10);
+ while(!feof($file)&&($read<>""))
+ $read .= fread($file,1024);
+
+ $temp = unpack("H*",$read);
+ $hex = $temp[1];
+ $header = substr($hex,0,108);
+
+ // Process the header
+ // Structure: http://www.fastgraph.com/help/bmp_header_format.html
+ if (substr($header,0,4)=="424d")
+ {
+ // Cut it in parts of 2 bytes
+ $header_parts = str_split($header,2);
+
+ // Get the width 4 bytes
+ $width = hexdec($header_parts[19].$header_parts[18]);
+
+ // Get the height 4 bytes
+ $height = hexdec($header_parts[23].$header_parts[22]);
+
+ // Unset the header params
+ unset($header_parts);
+ }
+
+ // Define starting X and Y
+ $x = 0;
+ $y = 1;
+
+ // Create newimage
+ $image = imagecreatetruecolor($width,$height);
+
+ // Grab the body from the image
+ $body = substr($hex,108);
+
+ // Calculate if padding at the end-line is needed
+ // Divided by two to keep overview.
+ // 1 byte = 2 HEX-chars
+ $body_size = (strlen($body)/2);
+ $header_size = ($width*$height);
+
+ // Use end-line padding? Only when needed
+ $usePadding = ($body_size>($header_size*3)+4);
+
+ // Using a for-loop with index-calculation instaid of str_split to avoid large memory consumption
+ // Calculate the next DWORD-position in the body
+ for ($i=0;$i<$body_size;$i+=3)
+ {
+ // Calculate line-ending and padding
+ if ($x>=$width)
+ {
+ // If padding needed, ignore image-padding
+ // Shift i to the ending of the current 32-bit-block
+ if ($usePadding)
+ $i += $width%4;
+
+ // Reset horizontal position
+ $x = 0;
+
+ // Raise the height-position (bottom-up)
+ $y++;
+
+ // Reached the image-height? Break the for-loop
+ if ($y>$height)
+ break;
+ }
+
+ // Calculation of the RGB-pixel (defined as BGR in image-data)
+ // Define $i_pos as absolute position in the body
+ $i_pos = $i*2;
+ $r = hexdec($body[$i_pos+4].$body[$i_pos+5]);
+ $g = hexdec($body[$i_pos+2].$body[$i_pos+3]);
+ $b = hexdec($body[$i_pos].$body[$i_pos+1]);
+
+ // Calculate and draw the pixel
+ $color = imagecolorallocate($image,$r,$g,$b);
+ imagesetpixel($image,$x,$height-$y,$color);
+
+ // Raise the horizontal position
+ $x++;
+ }
+
+ // Unset the body / free the memory
+ unset($body);
+
+ // Return image-object
+ return $image;
+ }
+
+}
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