ok
Direktori : /home/ngwcolle/www/admin/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/ |
Current File : /home/ngwcolle/www/admin/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Shared/Xls.php |
<?php namespace PhpOffice\PhpSpreadsheet\Shared; use PhpOffice\PhpSpreadsheet\Cell\Coordinate; use PhpOffice\PhpSpreadsheet\Helper\Dimension; use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet; class Xls { /** * Get the width of a column in pixels. We use the relationship y = ceil(7x) where * x is the width in intrinsic Excel units (measuring width in number of normal characters) * This holds for Arial 10. * * @param Worksheet $worksheet The sheet * @param string $col The column * * @return int The width in pixels */ public static function sizeCol(Worksheet $worksheet, string $col = 'A'): int { // default font of the workbook $font = $worksheet->getParentOrThrow()->getDefaultStyle()->getFont(); $columnDimensions = $worksheet->getColumnDimensions(); // first find the true column width in pixels (uncollapsed and unhidden) if (isset($columnDimensions[$col]) && $columnDimensions[$col]->getWidth() != -1) { // then we have column dimension with explicit width $columnDimension = $columnDimensions[$col]; $width = $columnDimension->getWidth(); $pixelWidth = Drawing::cellDimensionToPixels($width, $font); } elseif ($worksheet->getDefaultColumnDimension()->getWidth() != -1) { // then we have default column dimension with explicit width $defaultColumnDimension = $worksheet->getDefaultColumnDimension(); $width = $defaultColumnDimension->getWidth(); $pixelWidth = Drawing::cellDimensionToPixels($width, $font); } else { // we don't even have any default column dimension. Width depends on default font $pixelWidth = Font::getDefaultColumnWidthByFont($font, true); } // now find the effective column width in pixels if (isset($columnDimensions[$col]) && !$columnDimensions[$col]->getVisible()) { $effectivePixelWidth = 0; } else { $effectivePixelWidth = $pixelWidth; } return $effectivePixelWidth; } /** * Convert the height of a cell from user's units to pixels. By interpolation * the relationship is: y = 4/3x. If the height hasn't been set by the user we * use the default value. If the row is hidden we use a value of zero. * * @param Worksheet $worksheet The sheet * @param int $row The row index (1-based) * * @return int The width in pixels */ public static function sizeRow(Worksheet $worksheet, int $row = 1): int { // default font of the workbook $font = $worksheet->getParentOrThrow()->getDefaultStyle()->getFont(); $rowDimensions = $worksheet->getRowDimensions(); // first find the true row height in pixels (uncollapsed and unhidden) if (isset($rowDimensions[$row]) && $rowDimensions[$row]->getRowHeight() != -1) { // then we have a row dimension $rowDimension = $rowDimensions[$row]; $rowHeight = $rowDimension->getRowHeight(); $pixelRowHeight = (int) ceil(4 * $rowHeight / 3); // here we assume Arial 10 } elseif ($worksheet->getDefaultRowDimension()->getRowHeight() != -1) { // then we have a default row dimension with explicit height $defaultRowDimension = $worksheet->getDefaultRowDimension(); $pixelRowHeight = $defaultRowDimension->getRowHeight(Dimension::UOM_PIXELS); } else { // we don't even have any default row dimension. Height depends on default font $pointRowHeight = Font::getDefaultRowHeightByFont($font); $pixelRowHeight = Font::fontSizeToPixels((int) $pointRowHeight); } // now find the effective row height in pixels if (isset($rowDimensions[$row]) && !$rowDimensions[$row]->getVisible()) { $effectivePixelRowHeight = 0; } else { $effectivePixelRowHeight = $pixelRowHeight; } return (int) $effectivePixelRowHeight; } /** * Get the horizontal distance in pixels between two anchors * The distanceX is found as sum of all the spanning columns widths minus correction for the two offsets. * * @param float|int $startOffsetX Offset within start cell measured in 1/1024 of the cell width * @param float|int $endOffsetX Offset within end cell measured in 1/1024 of the cell width * * @return int Horizontal measured in pixels */ public static function getDistanceX(Worksheet $worksheet, string $startColumn = 'A', float|int $startOffsetX = 0, string $endColumn = 'A', float|int $endOffsetX = 0): int { $distanceX = 0; // add the widths of the spanning columns $startColumnIndex = Coordinate::columnIndexFromString($startColumn); $endColumnIndex = Coordinate::columnIndexFromString($endColumn); for ($i = $startColumnIndex; $i <= $endColumnIndex; ++$i) { $distanceX += self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($i)); } // correct for offsetX in startcell $distanceX -= (int) floor(self::sizeCol($worksheet, $startColumn) * $startOffsetX / 1024); // correct for offsetX in endcell $distanceX -= (int) floor(self::sizeCol($worksheet, $endColumn) * (1 - $endOffsetX / 1024)); return $distanceX; } /** * Get the vertical distance in pixels between two anchors * The distanceY is found as sum of all the spanning rows minus two offsets. * * @param int $startRow (1-based) * @param float|int $startOffsetY Offset within start cell measured in 1/256 of the cell height * @param int $endRow (1-based) * @param float|int $endOffsetY Offset within end cell measured in 1/256 of the cell height * * @return int Vertical distance measured in pixels */ public static function getDistanceY(Worksheet $worksheet, int $startRow = 1, float|int $startOffsetY = 0, int $endRow = 1, float|int $endOffsetY = 0): int { $distanceY = 0; // add the widths of the spanning rows for ($row = $startRow; $row <= $endRow; ++$row) { $distanceY += self::sizeRow($worksheet, $row); } // correct for offsetX in startcell $distanceY -= (int) floor(self::sizeRow($worksheet, $startRow) * $startOffsetY / 256); // correct for offsetX in endcell $distanceY -= (int) floor(self::sizeRow($worksheet, $endRow) * (1 - $endOffsetY / 256)); return $distanceY; } /** * Convert 1-cell anchor coordinates to 2-cell anchor coordinates * This function is ported from PEAR Spreadsheet_Writer_Excel with small modifications. * * Calculate the vertices that define the position of the image as required by * the OBJ record. * * +------------+------------+ * | A | B | * +-----+------------+------------+ * | |(x1,y1) | | * | 1 |(A1)._______|______ | * | | | | | * | | | | | * +-----+----| BITMAP |-----+ * | | | | | * | 2 | |______________. | * | | | (B2)| * | | | (x2,y2)| * +---- +------------+------------+ * * Example of a bitmap that covers some of the area from cell A1 to cell B2. * * Based on the width and height of the bitmap we need to calculate 8 vars: * $col_start, $row_start, $col_end, $row_end, $x1, $y1, $x2, $y2. * The width and height of the cells are also variable and have to be taken into * account. * The values of $col_start and $row_start are passed in from the calling * function. The values of $col_end and $row_end are calculated by subtracting * the width and height of the bitmap from the width and height of the * underlying cells. * The vertices are expressed as a percentage of the underlying cell width as * follows (rhs values are in pixels): * * x1 = X / W *1024 * y1 = Y / H *256 * x2 = (X-1) / W *1024 * y2 = (Y-1) / H *256 * * Where: X is distance from the left side of the underlying cell * Y is distance from the top of the underlying cell * W is the width of the cell * H is the height of the cell * * @param string $coordinates E.g. 'A1' * @param int $offsetX Horizontal offset in pixels * @param int $offsetY Vertical offset in pixels * @param int $width Width in pixels * @param int $height Height in pixels */ public static function oneAnchor2twoAnchor(Worksheet $worksheet, string $coordinates, int $offsetX, int $offsetY, int $width, int $height): ?array { [$col_start, $row] = Coordinate::indexesFromString($coordinates); $row_start = $row - 1; $x1 = $offsetX; $y1 = $offsetY; // Initialise end cell to the same as the start cell $col_end = $col_start; // Col containing lower right corner of object $row_end = $row_start; // Row containing bottom right corner of object // Zero the specified offset if greater than the cell dimensions if ($x1 >= self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($col_start))) { $x1 = 0; } if ($y1 >= self::sizeRow($worksheet, $row_start + 1)) { $y1 = 0; } $width = $width + $x1 - 1; $height = $height + $y1 - 1; // Subtract the underlying cell widths to find the end cell of the image while ($width >= self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($col_end))) { $width -= self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($col_end)); ++$col_end; } // Subtract the underlying cell heights to find the end cell of the image while ($height >= self::sizeRow($worksheet, $row_end + 1)) { $height -= self::sizeRow($worksheet, $row_end + 1); ++$row_end; } // Bitmap isn't allowed to start or finish in a hidden cell, i.e. a cell // with zero height or width. if (self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($col_start)) == 0) { return null; } if (self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($col_end)) == 0) { return null; } if (self::sizeRow($worksheet, $row_start + 1) == 0) { return null; } if (self::sizeRow($worksheet, $row_end + 1) == 0) { return null; } // Convert the pixel values to the percentage value expected by Excel $x1 = $x1 / self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($col_start)) * 1024; $y1 = $y1 / self::sizeRow($worksheet, $row_start + 1) * 256; $x2 = ($width + 1) / self::sizeCol($worksheet, Coordinate::stringFromColumnIndex($col_end)) * 1024; // Distance to right side of object $y2 = ($height + 1) / self::sizeRow($worksheet, $row_end + 1) * 256; // Distance to bottom of object $startCoordinates = Coordinate::stringFromColumnIndex($col_start) . ($row_start + 1); $endCoordinates = Coordinate::stringFromColumnIndex($col_end) . ($row_end + 1); return [ 'startCoordinates' => $startCoordinates, 'startOffsetX' => $x1, 'startOffsetY' => $y1, 'endCoordinates' => $endCoordinates, 'endOffsetX' => $x2, 'endOffsetY' => $y2, ]; } }