See Release Notes
Long Term Support Release
<?php namespace PhpOffice\PhpSpreadsheet\Shared;> use GdImage; class Drawing > use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException; { > use SimpleXMLElement; /** >* Convert pixels to EMU. *< * @param int $pValue Value in pixels> * @param int $pixelValue Value in pixels* * @return int Value in EMU */< public static function pixelsToEMU($pValue)> public static function pixelsToEMU($pixelValue){< return round($pValue * 9525);> return $pixelValue * 9525;} /** * Convert EMU to pixels. *< * @param int $pValue Value in EMU> * @param int|SimpleXMLElement $emuValue Value in EMU* * @return int Value in pixels */< public static function EMUToPixels($pValue)> public static function EMUToPixels($emuValue){< if ($pValue != 0) { < return round($pValue / 9525);> $emuValue = (int) $emuValue; > if ($emuValue != 0) { > return (int) round($emuValue / 9525);} 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 \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont Default font of the workbook> * @param int $pixelValue Value in pixels*< * @return int Value in cell dimension> * @return float|int Value in cell dimension*/< public static function pixelsToCellDimension($pValue, \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont)> public static function pixelsToCellDimension($pixelValue, \PhpOffice\PhpSpreadsheet\Style\Font $defaultFont){ // Font name and size< $name = $pDefaultFont->getName(); < $size = $pDefaultFont->getSize();> $name = $defaultFont->getName(); > $size = $defaultFont->getSize();if (isset(Font::$defaultColumnWidths[$name][$size])) { // Exact width can be determined< $colWidth = $pValue * Font::$defaultColumnWidths[$name][$size]['width'] / 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 = $pValue * 11 * Font::$defaultColumnWidths['Calibri'][11]['width'] / Font::$defaultColumnWidths['Calibri'][11]['px'] / $size;> return $pixelValue * Font::$defaultColumnWidths[$name][$size]['width'] > / Font::$defaultColumnWidths[$name][$size]['px'];}< return $colWidth;> // We don't have data for this particular font and size, use approximation by > // extrapolating from Calibri 11 > return $pixelValue * 11 * Font::$defaultColumnWidths['Calibri'][11]['width'] > / Font::$defaultColumnWidths['Calibri'][11]['px'] / $size;} /** * Convert column width from (intrinsic) Excel units to pixels. *< * @param float $pValue Value in cell dimension < * @param \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont Default font of the workbook> * @param float $cellWidth Value in cell dimension > * @param \PhpOffice\PhpSpreadsheet\Style\Font $defaultFont Default font of the workbook* * @return int Value in pixels */< public static function cellDimensionToPixels($pValue, \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont)> public static function cellDimensionToPixels($cellWidth, \PhpOffice\PhpSpreadsheet\Style\Font $defaultFont){ // Font name and size< $name = $pDefaultFont->getName(); < $size = $pDefaultFont->getSize();> $name = $defaultFont->getName(); > $size = $defaultFont->getSize();if (isset(Font::$defaultColumnWidths[$name][$size])) { // Exact width can be determined< $colWidth = $pValue * Font::$defaultColumnWidths[$name][$size]['px'] / Font::$defaultColumnWidths[$name][$size]['width'];> $colWidth = $cellWidth * Font::$defaultColumnWidths[$name][$size]['px'] > / 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 * $size * Font::$defaultColumnWidths['Calibri'][11]['px'] / Font::$defaultColumnWidths['Calibri'][11]['width'] / 11;> $colWidth = $cellWidth * $size * Font::$defaultColumnWidths['Calibri'][11]['px'] > / 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> * @param int $pixelValue Value in pixels* * @return float Value in points */< public static function pixelsToPoints($pValue)> public static function pixelsToPoints($pixelValue){< return $pValue * 0.67777777;> return $pixelValue * 0.75;} /** * Convert points to pixels. *< * @param int $pValue Value in points> * @param int $pointValue Value in points* * @return int Value in pixels */< public static function pointsToPixels($pValue)> public static function pointsToPixels($pointValue){< if ($pValue != 0) { < return (int) ceil($pValue * 1.333333333);> if ($pointValue != 0) { > return (int) ceil($pointValue / 0.75);} return 0; } /** * Convert degrees to angle. *< * @param int $pValue Degrees> * @param int $degrees Degrees* * @return int Angle */< public static function degreesToAngle($pValue)> public static function degreesToAngle($degrees){< return (int) round($pValue * 60000);> return (int) round($degrees * 60000);} /** * Convert angle to degrees. *< * @param int $pValue Angle> * @param int|SimpleXMLElement $angle Angle* * @return int Degrees */< public static function angleToDegrees($pValue)> public static function angleToDegrees($angle){< if ($pValue != 0) { < return round($pValue / 60000);> $angle = (int) $angle; > if ($angle != 0) { > return (int) round($angle / 60000);} return 0; } /** * Create a new image from file. By alexander at alexauto dot nl. * * @see http://www.php.net/manual/en/function.imagecreatefromwbmp.php#86214 *< * @param string $p_sFile Path to Windows DIB (BMP) image> * @param string $bmpFilename Path to Windows DIB (BMP) image > * > * @return GdImage|resource*< * @return resource> * @deprecated 1.26 use Php function imagecreatefrombmp instead > * > * @codeCoverageIgnore*/< public static function imagecreatefrombmp($p_sFile)> public static function imagecreatefrombmp($bmpFilename){< // 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;> $retVal = @imagecreatefrombmp($bmpFilename); > if ($retVal === false) { > throw new ReaderException("Unable to create image from $bmpFilename");}< // Unset the body / free the memory < unset($body); < < // Return image-object < return $image;> return $retVal;} }