273 lines
8.3 KiB
PHP
273 lines
8.3 KiB
PHP
|
<?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;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|