private function drawChunksWrapped ($canvas, $baseline, $left, $right, $chunks, Font $font) {
global $config;
$baselineStart = $baseline;
$maxWidth = $right - $left;
$textHeight = $font->getHeight();
$textLeading = $textHeight * $font->leadingPercent;
$symbolHeight = $textHeight * ($config['card.text.symbol.height.percentage'] / 100);
$symbolSpacing = $config['card.text.symbol.spacing'];
$belowBaseline = 0;
$xOffset = 0;
$belowBaseline = 0;
for ($i=0, $n=count($chunks); $i < $n; $i++) {
$chunk = $chunks[$i];
if ($chunk->isSymbol) {
$xOffset += $symbolSpacing;
// Wrap if this symbol and any following symbols or non-whitespace text are too long.
$nonWrappedChunksWidth = 0;
for ($ii=$i; $ii < $n; $ii++) {
$nextChunk = $chunks[$ii];
if ($nextChunk->isSymbol) {
// Don't wrap in between symbols.
list($symbolWidth) = $this->drawSymbol(null, 0, 0, $symbolHeight, $nextChunk->value, false, true);
$nonWrappedChunksWidth += $symbolSpacing + $symbolWidth;
if ($ii < $n - 1) $nonWrappedChunksWidth += $symbolSpacing; // Don't add spacing if this is the last chunk.
} else {
// Don't wrap in between a symbol and text (eg, when a period follows a symbol).
if (preg_match('/^([^\w]*)\w/', $nextChunk->value, $matches)) {
// Text starts with non-whitespace characters. Get their width.
$textSize = $font->getSize($matches[0], $nextChunk->isItalic);
$nonWrappedChunksWidth += $textSize['width'];
}
break;
}
}
if ($xOffset + $nonWrappedChunksWidth > $maxWidth) {
$xOffset = 0;
$belowBaseline = 0;
$baseline += $textLeading;
}
// Draw symbol.
$symbolTop = $baseline - $symbolHeight + 1 + (($symbolHeight - $textHeight) / 2);
list($symbolWidth) = $this->drawSymbol($canvas, $symbolTop, $left + $xOffset, $symbolHeight, $chunk->value, false, true, $font->getColor());
$xOffset += $symbolWidth;
if ($i < $n - 1) $xOffset += $symbolSpacing; // Don't add spacing if this is the last chunk.
} else {
if ($chunk->newLine) {
$xOffset = 0;
$belowBaseline = 0;
// If there last chunk was a newline with no text, then this newline is the second one in a row. Reduce the leading on the second one.
$previousChunk = @$chunks[$i - 1];
if ($previousChunk && $previousChunk->newLine && $previousChunk->value == null)
$baseline += $textLeading * ($config['card.text.double.spacing'] / 100);
else
$baseline += $textLeading;
if ($chunk->value == null) continue;
}
$spaceSize = $font->getSize(' ', $chunk->isItalic);
$spaceWidth = $spaceSize['width'];
if (substr($chunk->value, 0, 1) == ' ') $xOffset += $spaceWidth; // Starts with space.
// Break text into words and build an array of lines.
$words = explode(' ', $chunk->value);
$lines = array();
$text = '';
//$wordN = 0;
foreach ($words as $word) {
//$wordN++;
if ($word == null || $word == '') continue;
$testLine = $text;
if ($text != '') $testLine .= ' '; // Space between words.
$testLine .= $word;
$lineSize = $font->getSize($testLine, $chunk->isItalic);
if (count($lines) == 0) $lineSize['width'] += $xOffset; // Only the first line takes into account the xOffset.
if ($lineSize['width'] > $maxWidth) {
// Check if after a comma only one word was added.
// If the codition was true then remove the previous word, start a new line and put the previous word plus current one.
/*$prevWordLen = @strlen($words[$wordN-2]);
if(substr($text, -$prevWordLen-2, 1) == ','){
$text = substr($text, 0, -$prevWordLen-1);
$lineSize = $font->getSize($text, $chunk->isItalic);
$lineSize['text'] = $text;
$lines[] = $lineSize;
$text = $words[$wordN-2] .' '. $word;
continue;
}*/
// Word doesn't fit, start a new line.
$lineSize['text'] = $text;
$lines[] = $lineSize;
$text = $word;
} else
$text = $testLine; // Word fits, collect more.
}
// Store last line.
$lineSize = $font->getSize($text, $chunk->isItalic);
$lineSize['text'] = $text;
$lines[] = $lineSize;
$belowBaseline = max($belowBaseline, $lineSize['belowBasepoint']);
// Write each line.
$lineCount = count($lines);
foreach ($lines as $line) {
if ($canvas) $font->draw($canvas, $left + $xOffset + $line['xOffset'], $baseline, $line['text'], $chunk->isItalic);
if ($lineCount > 1) {
$xOffset = 0;
$baseline += $textLeading;
}
}
if ($lineCount > 1) $baseline -= $textLeading; // Stay on the last line written.
$xOffset += $lineSize['width']; // Last line width.
if (substr($chunk->value, -1) == ' ') $xOffset += $spaceWidth; // Ends with space.
}
}
return array(
"belowBaseline" => $belowBaseline,
"lastLineWidth" => $xOffset,
"height" => ($baseline - $baselineStart) + $textHeight + $belowBaseline,
"lineCount" => (($baseline - $baselineStart) / $textLeading) + 1
);
}
