getName(); $size = $pDefaultFont->getSize(); if (isset(Font::$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 $colWidth; } /** * Convert column width from (intrinsic) Excel units to pixels. * * @param float $pValue Value in cell dimension * @param \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont Default font of the workbook * * @return int Value in pixels */ public static function cellDimensionToPixels($pValue, \PhpOffice\PhpSpreadsheet\Style\Font $pDefaultFont) { // Font name and size $name = $pDefaultFont->getName(); $size = $pDefaultFont->getSize(); if (isset(Font::$defaultColumnWidths[$name][$size])) { // Exact width can be determined $colWidth = $pValue * Font::$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; } // Round pixels to closest integer $colWidth = (int) round($colWidth); return $colWidth; } /** * Convert pixels to points. * * @param int $pValue Value in pixels * * @return float Value in points */ public static function pixelsToPoints($pValue) { return $pValue * 0.67777777; } /** * Convert points to pixels. * * @param int $pValue Value in points * * @return int Value in pixels */ public static function pointsToPixels($pValue) { if ($pValue != 0) { return (int) ceil($pValue * 1.333333333); } return 0; } /** * Convert degrees to angle. * * @param int $pValue Degrees * * @return int Angle */ public static function degreesToAngle($pValue) { return (int) round($pValue * 60000); } /** * Convert angle to degrees. * * @param int $pValue Angle * * @return int Degrees */ public static function angleToDegrees($pValue) { if ($pValue != 0) { return round($pValue / 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 $p_sFile Path to Windows DIB (BMP) image * * @return resource */ public static function imagecreatefrombmp($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; } }