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Split function
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@nicolaasuni
nicolaasuni committed Dec 8, 2023
1 parent 95a1fa0 commit 98de295
Showing 1 changed file with 111 additions and 52 deletions.
163 changes: 111 additions & 52 deletions src/Text.php
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Original file line number Diff line number Diff line change
Expand Up @@ -181,13 +181,13 @@ protected function outTextLine(
$out = $this->getOutTextPosXY($out, $posx, $posy, 'Td');

$trmode = $this->getTextRenderingMode($fill, $stroke, $clip);
$out = $this->getOutTextStateOperator($out, 'w', $this->toPoints($strokewidth));
$out = $this->getOutTextStateOperator($out, 'Tr', $trmode);
$out = $this->getOutTextStateOperator($out, 'Tw', $this->toPoints($wordspacing));
$out = $this->getOutTextStateOperator($out, 'Tc', $curfont['spacing']);
$out = $this->getOutTextStateOperator($out, 'Tz', $curfont['stretching']);
$out = $this->getOutTextStateOperator($out, 'TL', $this->toPoints($leading));
$out = $this->getOutTextStateOperator($out, 'Ts', $this->toPoints($rise));
$out = $this->getOutTextStateOperatorw($out, $this->toPoints($strokewidth));
$out = $this->getOutTextStateOperatorTr($out, $trmode);
$out = $this->getOutTextStateOperatorTw($out, $this->toPoints($wordspacing));
$out = $this->getOutTextStateOperatorTc($out, $curfont['spacing']);
$out = $this->getOutTextStateOperatorTz($out, $curfont['stretching']);
$out = $this->getOutTextStateOperatorTL($out, $this->toPoints($leading));
$out = $this->getOutTextStateOperatorTs($out, $this->toPoints($rise));
return $this->getOutTextObject($out);
}

Expand Down Expand Up @@ -241,7 +241,7 @@ protected function getJustifiedString(
$txt = $this->encrypt->escapeString($txt);
$txt = $this->getOutTextShowing($txt, 'Tj');
if ($pwidth > 0) {
return $this->getOutTextStateOperator($txt, 'Tw', $this->toPoints($spacewidth));
return $this->getOutTextStateOperatorTw($txt, $this->toPoints($spacewidth));
}

$this->lasttxtbbox['width'] = $this->toUnit($dim['totwidth']);
Expand Down Expand Up @@ -315,59 +315,118 @@ protected function getTextRenderingMode(
}

/**
* Get the PDF code for the specified Text State Operator.
* Get the PDF code for the Tc (character spacing) Text State Operator.
*
* @param string $raw Raw PDf data to be wrapped by this command.
* @param string $param Text state parameter to apply (one of: Tc, Tw, Tz, TL, Tf, Tr, Ts, w)
* @param int|float $value Raw value to apply in internal units.
*/
protected function getOutTextStateOperator(
protected function getOutTextStateOperatorTc(
string $raw,
string $param,
int|float $value = 0
): string {
switch ($param) {
case 'Tc': // character spacing
if ($value == 0) {
break;
}

return sprintf('%F Tc ' . $raw . ' 0 Tc', $value);
case 'Tw': // word spacing
if ($value == 0) {
break;
}

return sprintf('%F Tw ' . $raw . ' 0 Tw', $value);
case 'Tz': // horizontal scaling
if ($value == 1) {
break;
}

return sprintf('%F Tz ' . $raw . ' 100 Tz', $value);
case 'TL': // text leading
if ($value == 0) {
break;
}

return sprintf('%F TL ' . $raw . ' 0 TL', $value);
case 'Tr': // text rendering
if (($value < 0) || ($value > 7)) {
break;
}

return sprintf('%d Tr ' . $raw, $value);
case 'Ts': // text rise
if ($value == 0) {
break;
}

return sprintf('%F Ts ' . $raw . ' 0 Ts', $value);
case 'w': // stroke width
return sprintf('%F w ' . $raw, ($value > 0 ? $value : 0));
if ($value == 0) {
return $raw;
}

return $raw;
return sprintf('%F Tc ' . $raw . ' 0 Tc', $value);
}

/**
* Get the PDF code for the Tw (word spacing) Text State Operator.
*
* @param string $raw Raw PDf data to be wrapped by this command.
* @param int|float $value Raw value to apply in internal units.
*/
protected function getOutTextStateOperatorTw(
string $raw,
int|float $value = 0
): string {
if ($value == 0) {
return $raw;
}

return sprintf('%F Tw ' . $raw . ' 0 Tw', $value);
}

/**
* Get the PDF code for the Tz (horizontal scaling) Text State Operator.
*
* @param string $raw Raw PDf data to be wrapped by this command.
* @param int|float $value Raw value to apply in internal units.
*/
protected function getOutTextStateOperatorTz(
string $raw,
int|float $value = 0
): string {
if ($value == 1) {
return $raw;
}

return sprintf('%F Tz ' . $raw . ' 100 Tz', $value);
}

/**
* Get the PDF code for the TL (text leading) Text State Operator.
*
* @param string $raw Raw PDf data to be wrapped by this command.
* @param int|float $value Raw value to apply in internal units.
*/
protected function getOutTextStateOperatorTL(
string $raw,
int|float $value = 0
): string {
if ($value == 0) {
return $raw;
}

return sprintf('%F TL ' . $raw . ' 0 TL', $value);
}

/**
* Get the PDF code for the Tr (text rendering) Text State Operator.
*
* @param string $raw Raw PDf data to be wrapped by this command.
* @param int|float $value Raw value to apply in internal units.
*/
protected function getOutTextStateOperatorTr(
string $raw,
int|float $value = 0
): string {
if (($value < 0) || ($value > 7)) {
return $raw;
}

return sprintf('%d Tr ' . $raw, $value);
}

/**
* Get the PDF code for the Ts (text rise) Text State Operator.
*
* @param string $raw Raw PDf data to be wrapped by this command.
* @param int|float $value Raw value to apply in internal units.
*/
protected function getOutTextStateOperatorTs(
string $raw,
int|float $value = 0
): string {
if ($value == 0) {
return $raw;
}

return sprintf('%F Ts ' . $raw . ' 0 Ts', $value);
}

/**
* Get the PDF code for the w (stroke width) Text State Operator.
*
* @param string $raw Raw PDf data to be wrapped by this command.
* @param int|float $value Raw value to apply in internal units.
*/
protected function getOutTextStateOperatorw(
string $raw,
int|float $value = 0
): string {
return sprintf('%F w ' . $raw, ($value > 0 ? $value : 0));
}

/**
Expand Down

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