diff options
Diffstat (limited to '')
| -rw-r--r-- | vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php | 249 |
1 files changed, 249 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php new file mode 100644 index 0000000..1cbc529 --- /dev/null +++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Drawing.php @@ -0,0 +1,249 @@ +<?php
+
+namespace PhpOffice\PhpSpreadsheet\Shared;
+
+class Drawing
+{
+ /**
+ * Convert pixels to EMU.
+ *
+ * @param int $pValue Value in pixels
+ *
+ * @return int Value in EMU
+ */
+ public static function pixelsToEMU($pValue)
+ {
+ return round($pValue * 9525);
+ }
+
+ /**
+ * Convert EMU to pixels.
+ *
+ * @param int $pValue Value in EMU
+ *
+ * @return int Value in pixels
+ */
+ public static function EMUToPixels($pValue)
+ {
+ if ($pValue != 0) {
+ return round($pValue / 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 $pDefaultFont Default font of the workbook
+ *
+ * @return int Value in cell dimension
+ */
+ public static function pixelsToCellDimension($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]['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;
+ }
+}
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