public function testStack()
{
$indir = __DIR__ . '/../util/vendor/font/';
$objnum = 1;
$stack = new \Com\Tecnick\Pdf\Font\Stack(0.75, true, true, true);
new \Com\Tecnick\Pdf\Font\Import($indir . 'freefont/FreeSans.ttf');
$cfont = $stack->insert($objnum, 'freesans', '', 12, -0.1, 0.9, '', null);
$this->assertNotEmpty($cfont);
$this->assertNotEmpty($cfont['cbbox']);
$this->assertEquals(array(0.216, 0, 9.3744, 11.664), $stack->getCharBBox(65));
new \Com\Tecnick\Pdf\Font\Import($indir . 'pdfa/pfb/PDFATimes.pfb');
$afont = $stack->insert($objnum, 'times', '', 14, 0.3, 1.2, '', null);
$this->assertNotEmpty($afont);
new \Com\Tecnick\Pdf\Font\Import($indir . 'pdfa/pfb/PDFAHelveticaBoldOblique.pfb');
$bfont = $stack->insert($objnum, 'helvetica', 'BIUDO', null, null, null, '', null);
$this->assertNotEmpty($bfont);
$this->assertEquals('BT /F2 14.000000 Tf ET', $bfont['out']);
$this->assertEquals('pdfahelveticaBI', $bfont['key']);
$this->assertEquals(14, $bfont['size'], '', 0.0001);
$this->assertEquals(0.3, $bfont['spacing'], '', 0.0001);
$this->assertEquals(1.2, $bfont['stretching'], '', 0.0001);
$this->assertEquals(18.6667, $bfont['usize'], '', 0.0001);
$this->assertEquals(0.0187, $bfont['cratio'], '', 0.0001);
$this->assertEquals(-2.072, $bfont['up'], '', 0.0001);
$this->assertEquals(1.288, $bfont['ut'], '', 0.0001);
$this->assertEquals(6.2272, $bfont['dw'], '', 0.0001);
$this->assertEquals(17.7893, $bfont['ascent'], '', 0.0001);
$this->assertEquals(-4.1067, $bfont['descent'], '', 0.0001);
$this->assertEquals(13.5147, $bfont['capheight'], '', 0.0001);
$this->assertEquals(10.08, $bfont['xheight'], '', 0.0001);
$this->assertEquals(12.656, $bfont['avgwidth'], '', 0.0001);
$this->assertEquals(22.4, $bfont['maxwidth'], '', 0.0001);
$this->assertEquals(6.2272, $bfont['missingwidth'], '', 0.0001);
$this->assertEquals(array(-1.456, -4.1067, 24.7968, 17.7893), $bfont['fbbox'], '', 0.0001);
$font = $stack->getCurrentFont();
$this->assertEquals($bfont, $font);
$this->assertTrue($stack->isCharDefined(65));
$this->assertFalse($stack->isCharDefined(300));
$this->assertEquals(75, $stack->replaceChar(65, 75));
$this->assertEquals(65, $stack->replaceChar(65, 300));
$this->assertEquals(array(0, 0, 0, 0), $stack->getCharBBox(300));
$this->assertEquals(16.1728, $stack->getCharWidth(65), '', 0.0001);
$this->assertEquals(0, $stack->getCharWidth(173), '', 0.0001);
$this->assertEquals(6.2272, $stack->getCharWidth(300), '', 0.0001);
$uniarr = array(65, 173, 300);
$this->assertEquals(23.12, $stack->getOrdArrWidth($uniarr), '', 0.0001);
$subs = array(65 => array(400, 75), 173 => array(76, 300), 300 => array(400, 77));
$this->assertEquals(array(65, 173, 77), $stack->replaceMissingChars($uniarr, $subs));
$font = $stack->popLastFont();
$this->assertEquals($bfont, $font);
$font = $stack->getCurrentFont();
$this->assertEquals($afont, $font);
}
