<?php
namespace PhpOffice\PhpSpreadsheet\Shared;
use GdImage;
> use PhpOffice\PhpSpreadsheet\Reader\Exception as ReaderException;
> use SimpleXMLElement;
class Drawing
{
/**
* 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 * 0.75;
> 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($pValue / 0.75);
> if ($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 $bmpFilename Path to Windows DIB (BMP) image
*
* @return GdImage|resource
> *
*/
> * @deprecated 1.26 use Php function imagecreatefrombmp instead
public static function imagecreatefrombmp($p_sFile)
> *
{
> * @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);
> $retVal = @imagecreatefrombmp($bmpFilename);
> if ($retVal === false) {
> throw new ReaderException("Unable to create image from $bmpFilename");
< $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;
> return $retVal;
}
}