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<?php |
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/** |
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* Klass PlottaAck. |
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* @author Niklas Dougherty |
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*/ |
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declare(strict_types=1); |
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namespace Tips\Klasser\Investera; |
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use Tips\Klasser\Graf; |
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/** |
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* Klass PlottaAck. |
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* Graf för ackumulerat netto över tid. |
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*/ |
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class PlottaAck extends Plotta { |
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protected Graf $ackumulerad_graf; |
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protected string $fil_ack = '/ack_investeringsgraf.png'; |
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/** |
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* Plotta ackumulerade investeringar. |
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*/ |
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protected function plotta_ackumulerad_investering(): void { |
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imageantialias($this->ackumulerad_graf->graf, true); |
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$acknetto = abs($this->ackmax - $this->ackmin); |
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$delta = intval(abs($this->ackmin / $acknetto) * 680); |
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/** |
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* Rita axlar i svag gul nyans. |
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*/ |
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$this->ackumulerad_graf->sätt_linje(100, 20, 100, 720, $this->graf->gul_v[1]); |
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$this->ackumulerad_graf->sätt_linje(80, 700 - $delta, 2120, 700 - $delta, $this->graf->gul_v[1]); |
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/** |
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* Indela axeln i segment. |
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*/ |
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for ($index = 0; $index <= 4; $index++) { |
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$y = intval($index * (680 - $delta) / 4 + 20); |
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$text = strval(intval($this->ackmax - $index * $this->ackmax / 4)); |
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$this->ackumulerad_graf->sätt_text(15, $y, $text, $this->graf->blå); |
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} |
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/** |
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* Tabellrubrik i gult, axelvärden i blått. |
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*/ |
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$this->ackumulerad_graf->sätt_text(15, 690, "{$this->ackmin}", $this->graf->blå); |
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$this->ackumulerad_graf->sätt_text(120, 20, "Ackumulerat netto", $this->graf->gul); |
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$xk1 = -1; |
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$yk1 = -1; |
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$ack = 0; |
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/** |
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* Plotta netton över tid. |
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*/ |
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foreach ($this->investeringar as $index => $inv) { |
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$ack += $inv[1]; |
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$xk2 = 100 + intval(2000 * $index / max(1, ($this->antal_investeringar - 1))); |
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$yk2 = 700 - $delta - intval(680 * $ack / $acknetto); |
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$färg = ($ack > 0) ? $this->graf->gul : $this->graf->röd; |
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if ($xk1 > 0) { |
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$this->ackumulerad_graf->sätt_linje($xk1, $yk1, $xk2, $yk2, $färg); |
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} |
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[$xk1, $yk1] = [$xk2, $yk2]; |
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} |
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$this->ackumulerad_graf->spara_tipsgraf($this->fil_ack); |
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} |
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} |
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dougherty-dev /
Tips
