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| <?php
|
| namespace PhpOffice\PhpSpreadsheet\Writer\Xls\Style;
|
| use PhpOffice\PhpSpreadsheet\Style\Color;
|
| class ColorMap
| {
| /**
| * @var array<string, int>
| */
| private static array $colorMap = [
| '#000000' => 0x08,
| '#FFFFFF' => 0x09,
| '#FF0000' => 0x0A,
| '#00FF00' => 0x0B,
| '#0000FF' => 0x0C,
| '#FFFF00' => 0x0D,
| '#FF00FF' => 0x0E,
| '#00FFFF' => 0x0F,
| '#800000' => 0x10,
| '#008000' => 0x11,
| '#000080' => 0x12,
| '#808000' => 0x13,
| '#800080' => 0x14,
| '#008080' => 0x15,
| '#C0C0C0' => 0x16,
| '#808080' => 0x17,
| '#9999FF' => 0x18,
| '#993366' => 0x19,
| '#FFFFCC' => 0x1A,
| '#CCFFFF' => 0x1B,
| '#660066' => 0x1C,
| '#FF8080' => 0x1D,
| '#0066CC' => 0x1E,
| '#CCCCFF' => 0x1F,
| // '#000080' => 0x20,
| // '#FF00FF' => 0x21,
| // '#FFFF00' => 0x22,
| // '#00FFFF' => 0x23,
| // '#800080' => 0x24,
| // '#800000' => 0x25,
| // '#008080' => 0x26,
| // '#0000FF' => 0x27,
| '#00CCFF' => 0x28,
| // '#CCFFFF' => 0x29,
| '#CCFFCC' => 0x2A,
| '#FFFF99' => 0x2B,
| '#99CCFF' => 0x2C,
| '#FF99CC' => 0x2D,
| '#CC99FF' => 0x2E,
| '#FFCC99' => 0x2F,
| '#3366FF' => 0x30,
| '#33CCCC' => 0x31,
| '#99CC00' => 0x32,
| '#FFCC00' => 0x33,
| '#FF9900' => 0x34,
| '#FF6600' => 0x35,
| '#666699' => 0x36,
| '#969696' => 0x37,
| '#003366' => 0x38,
| '#339966' => 0x39,
| '#003300' => 0x3A,
| '#333300' => 0x3B,
| '#993300' => 0x3C,
| // '#993366' => 0x3D,
| '#333399' => 0x3E,
| '#333333' => 0x3F,
| ];
|
| public static function lookup(Color $color, int $defaultIndex = 0x00): int
| {
| $colorRgb = $color->getRGB();
| if (is_string($colorRgb) && array_key_exists("#{$colorRgb}", self::$colorMap)) {
| return self::$colorMap["#{$colorRgb}"];
| }
|
| // TODO Try and map RGB value to nearest colour within the define pallette
| // $red = Color::getRed($colorRgb, false);
| // $green = Color::getGreen($colorRgb, false);
| // $blue = Color::getBlue($colorRgb, false);
|
| // $paletteSpace = 3;
| // $newColor = ($red * $paletteSpace / 256) * ($paletteSpace * $paletteSpace) +
| // ($green * $paletteSpace / 256) * $paletteSpace +
| // ($blue * $paletteSpace / 256);
|
| return $defaultIndex;
| }
| }
|
|
