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another overall 25% improvement (now 50% in total) by inlining and caching.

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This commit is contained in:
Dennis Eichhorn 2023-10-25 03:06:55 +00:00
parent 258d933dc7
commit d4edeb9c4d
1 changed files with 25 additions and 9 deletions
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34
tcpdf/TCPDF.php
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@ -4140,10 +4140,26 @@ class TCPDF {
}
$w = 0; // total width
$wa = []; // array of characters widths
foreach ($sa as $ck => $char) {
// character width
$cw = $this->GetCharWidth($char, isset($sa[($ck + 1)]));
$wa[] = $cw;
$length = \count($sa);
for ($i = 0; $i < $length; ++$i) {
//$cw = $this->GetCharWidth($sa[$i], $i + 1 !== $length);
// inlined GetCharWidth
$cw = $this->cachedRawFontWidths[$sa[$i]] ?? ($this->cachedRawFontWidths[$sa[$i]] = $this->getRawCharWidth($sa[$i]));
if (($this->font_spacing < 0) || (($this->font_spacing > 0) && $i + 1 !== $length)) {
// increase/decrease font spacing
$cw += $this->font_spacing;
}
if ($this->font_stretching != 100) {
// fixed stretching mode
$cw *= ($this->font_stretching / 100);
}
if ($getarray) {
$wa[] = $cw;
}
$w += $cw;
}
// restore previous values
@ -4167,7 +4183,7 @@ class TCPDF {
*/
public function GetCharWidth($char, $notlast=true) {
// get raw width
$chw = $this->cachedRawFontWidths[$char] ?? $this->getRawCharWidth($char);
$chw = $this->cachedRawFontWidths[$char] ?? ($this->cachedRawFontWidths[$char] = $this->getRawCharWidth($char));
if (($this->font_spacing < 0) || (($this->font_spacing > 0) && $notlast)) {
// increase/decrease font spacing
$chw += $this->font_spacing;
@ -5159,7 +5175,7 @@ class TCPDF {
*/
protected function getCellCode($w, $h=0, $txt='', $border=0, $ln=0, $align='', $fill=false, $link='', $stretch=0, $ignore_min_height=false, $calign='T', $valign='M') {
// replace 'NO-BREAK SPACE' (U+00A0) character with a simple space
$txt = \str_replace(TCPDF_FONTS::unichr(160, $this->isunicode), ' ', $txt);
$txt = \str_replace(TCPDF_FONTS::$cache_unichr[160] ?? (TCPDF_FONTS::$cache_unichr[160] = TCPDF_FONTS::unichr(160, $this->isunicode)), ' ', $txt);
$prev_cell_margin = $this->cell_margin;
$prev_cell_padding = $this->cell_padding;
$txt = TCPDF_STATIC::removeSHY($txt, $this->isunicode);
@ -6525,11 +6541,11 @@ class TCPDF {
// \p{Lo} is needed because Chinese characters are packed next to each other without spaces in between.
if (($c != 160)
&& (($c == 173)
|| \preg_match($this->re_spaces, TCPDF_FONTS::unichr($c, $this->isunicode))
|| \preg_match($this->re_spaces, TCPDF_FONTS::$cache_unichr[$c] ?? (TCPDF_FONTS::$cache_unichr[$c] = TCPDF_FONTS::unichr($c, $this->isunicode)))
|| (($c == 45)
&& ($i < ($nb - 1))
&& @\preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::unichr($pc, $this->isunicode))
&& @\preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::unichr($chars[($i + 1)], $this->isunicode))
&& @\preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::$cache_unichr[$pc] ?? (TCPDF_FONTS::$cache_unichr[$pc] = TCPDF_FONTS::unichr($pc, $this->isunicode)))
&& @\preg_match('/[\p{L}]/'.$this->re_space['m'], TCPDF_FONTS::$cache_unichr[$chars[($i + 1)]] ?? (TCPDF_FONTS::$cache_unichr[$chars[($i + 1)]] = TCPDF_FONTS::unichr($chars[($i + 1)], $this->isunicode)))
)
)
) {