/**
*/
public function testUpdate()
{
$style1 = new FontStyle();
$style2 = new FontStyle(8, FontStyle::FONT_COURIER, FontStyle::FONT_STYLE_BOLD, FontStyle::HORIZONTAL_ALIGN_MIDDLE, FontStyle::VERTICAL_ALIGN_CENTRAL);
$style1->update($style2);
$this->assertSame(8, $style1->getSize());
$this->assertSame(FontStyle::FONT_COURIER, $style1->getName());
$this->assertSame(FontStyle::FONT_STYLE_BOLD, $style1->getStyle());
$this->assertSame(FontStyle::HORIZONTAL_ALIGN_MIDDLE, $style1->getHAlign());
$this->assertSame(FontStyle::VERTICAL_ALIGN_CENTRAL, $style1->getVAlign());
// test independence of style1 and style2
$style1->setSize(12);
$this->assertSame(12, $style1->getSize());
$this->assertSame(8, $style2->getSize());
}
/**
* @param string $text
* @param AnchorPath $p
* @param FontStyle $fontStyle
*
* @return mixed[]
* @throws \Exception
*/
private function preparePathText($text, AnchorPath $p, ZendAbstractFont $font, FontStyle $fontStyle)
{
$fontScale = $fontStyle->getSize() / (double) $font->getUnitsPerEm();
// split text into encoded characters and widths
$chars = [];
$widthSum = 0;
foreach (TextUtils::getCodes($text) as $code) {
$char = $font->encodeString(html_entity_decode('&#' . $code . ';', ENT_NOQUOTES, 'UTF-8'), 'UTF-8');
$width = $font->widthForGlyph($font->glyphNumberForCharacter($code));
$widthSum += $width;
$chars[] = [$char, $fontScale * $width];
}
// compute start position
switch ($fontStyle->getHAlign()) {
case FontStyle::HORIZONTAL_ALIGN_MIDDLE:
$startPos = ($p->getLen() - $fontScale * $widthSum) / 2.0;
break;
case FontStyle::HORIZONTAL_ALIGN_RIGHT:
$startPos = $p->getLen() - $fontScale * $widthSum;
break;
case FontStyle::HORIZONTAL_ALIGN_LEFT:
default:
$startPos = 0;
}
// compute vertical shift
switch ($fontStyle->getVAlign()) {
case FontStyle::VERTICAL_ALIGN_TOP:
$yShift = $fontScale * ($font->getAscent() - $font->getDescent());
break;
case FontStyle::VERTICAL_ALIGN_CENTRAL:
$yShift = 0.5 * $fontScale * $font->getAscent();
break;
case FontStyle::VERTICAL_ALIGN_BOTTOM:
$yShift = $fontScale * $font->getDescent();
break;
case FontStyle::VERTICAL_ALIGN_BASE:
default:
$yShift = 0;
}
return [$chars, $startPos, $yShift];
}
/**
* @param SimpleXMLElement $element
* @param FontStyle $fontStyle
*/
private function addFontStyle(SimpleXMLElement $element, FontStyle $fontStyle)
{
$element->addAttribute("font-family", $fontStyle->getName() . ', sans-serif');
$element->addAttribute("font-size", $fontStyle->getSize());
switch ($fontStyle->getStyle()) {
case FontStyle::FONT_STYLE_BOLD:
$element->addAttribute("font-weight", 'bold');
break;
case FontStyle::FONT_STYLE_ITALIC:
$element->addAttribute("font-style", 'italic');
break;
case FontStyle::FONT_STYLE_BOLD_ITALIC:
$element->addAttribute("font-weight", 'bold');
$element->addAttribute("font-style", 'italic');
break;
}
switch ($fontStyle->getHAlign()) {
case FontStyle::HORIZONTAL_ALIGN_LEFT:
$element->addAttribute("text-anchor", "start");
break;
case FontStyle::HORIZONTAL_ALIGN_MIDDLE:
$element->addAttribute("text-anchor", "middle");
break;
case FontStyle::HORIZONTAL_ALIGN_RIGHT:
$element->addAttribute("text-anchor", "end");
break;
}
switch ($fontStyle->getVAlign()) {
case FontStyle::VERTICAL_ALIGN_TOP:
$element->addAttribute("alignment-baseline", "text-before-edge");
break;
case FontStyle::VERTICAL_ALIGN_CENTRAL:
$element->addAttribute("alignment-baseline", "central");
break;
case FontStyle::VERTICAL_ALIGN_BASE:
$element->addAttribute("alignment-baseline", "alphabetic");
break;
case FontStyle::VERTICAL_ALIGN_BOTTOM:
$element->addAttribute("alignment-baseline", "text-after-edge");
break;
}
}
