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<?php namespace PhpOffice\PhpSpreadsheet\Shared;> use GdImage; class Drawing > 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 $bmpFilename Path to Windows DIB (BMP) image*< * @return resource> * @return GdImage|resource*/< public static function imagecreatefrombmp($p_sFile)> public static function imagecreatefrombmp($bmpFilename){ // Load the image into a string< $file = fopen($p_sFile, 'rb');> $file = fopen($bmpFilename, '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> $width = 0; if (substr($header, 0, 4) == '424d') { > $height = 0;// 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; } }