Merge pull request #22768 from nextcloud/fix/22288/change-0-to-null-for-bmp-encoding
Change 0 to null to properly encode image to BMP if the first pixel is black
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4ae8caaf28
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@ -1211,7 +1211,7 @@ if (!function_exists('imagebmp')) {
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} // RLE8
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elseif ($compression == 1 && $bit == 8) {
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for ($j = $height - 1; $j >= 0; $j--) {
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$lastIndex = 0;
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$lastIndex = null;
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$sameNum = 0;
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for ($i = 0; $i <= $width; $i++) {
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$index = imagecolorat($im, $i, $j);
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