/** * @return Path */ private function getPartialRingPath() { $outer = $this->getOuterRadius(); $inner = $this->getInnerRadius(); $cx = $this->getX(); $cy = $this->getY(); if ($this->angle === 0.0) { $radian = ArcUtils::toRadian($this->getAlpha()); list($outerX, $outerY) = ArcUtils::getPolarPoint($outer, $radian); list($innerX, $innerY) = ArcUtils::getPolarPoint($inner, $radian); return (new Path($outerX + $cx, $outerY + $cy))->lineTo($innerX + $cx, $innerY + $cy)->close(); } $radians = ArcUtils::getArcRadians($this->getAlpha(), $this->getAngle()); $scale = ArcUtils::getScale($radians); $pos = 0; // outer arc list($curX, $curY) = ArcUtils::getPolarPoint($outer, $radians[$pos++]); $path = new Path($curX + $cx, $curY + $cy); while ($pos < count($radians)) { list($nextX, $nextY) = ArcUtils::getPolarPoint($outer, $radians[$pos++]); list($c1X, $c1Y) = ArcUtils::getBezierControl($curX, $curY, -$scale); list($c2X, $c2Y) = ArcUtils::getBezierControl($nextX, $nextY, $scale); $path->curveTo($c1X + $cx, $c1Y + $cy, $c2X + $cx, $c2Y + $cy, $nextX + $cx, $nextY + $cy); $curX = $nextX; $curY = $nextY; } // inner arc list($curX, $curY) = ArcUtils::getPolarPoint($inner, $radians[--$pos]); if ($this->angle === 360.0) { // full ring $path->close()->moveTo($curX + $cx, $curY + $cy); } else { $path->lineTo($curX + $cx, $curY + $cy); } while ($pos > 0) { list($nextX, $nextY) = ArcUtils::getPolarPoint($inner, $radians[--$pos]); list($c1X, $c1Y) = ArcUtils::getBezierControl($curX, $curY, $scale); list($c2X, $c2Y) = ArcUtils::getBezierControl($nextX, $nextY, -$scale); $path->curveTo($c1X + $cx, $c1Y + $cy, $c2X + $cx, $c2Y + $cy, $nextX + $cx, $nextY + $cy); $curX = $nextX; $curY = $nextY; } // close path $path->close(); return $path; }
/** */ public function testVisibility() { $path = new Path(1, 2); $this->assertFalse($path->isVisible()); $path = new Path(1, 2); $path->close(); $this->assertFalse($path->isVisible()); $path = new Path(1, 2); $path->lineTo(2, 3); $this->assertTrue($path->isVisible()); $path = new Path(1, 2); $path->curveTo(2, 3, 3, 4, 4, 5); $this->assertTrue($path->isVisible()); }
$path->curveTo($radius * sin(7.0 / 5.0 * pi()) / 2, $radius * cos(7.0 / 5.0 * pi()) / 2, $radius * sin(9.0 / 5.0 * pi()) / 2, $radius * cos(9.0 / 5.0 * pi()) / 2, $radius * sin(0.0 / 5.0 * pi()), $radius * cos(0.0 / 5.0 * pi())); $path->close(); $graphic->addPath($path)->setFillColor('black', 0.3); $radius = 80; $path = new Path($radius * sin(1.0 / 5.0 * pi()), $radius * cos(1.0 / 5.0 * pi())); $path->lineTo($radius * sin(5.0 / 5.0 * pi()), $radius * cos(5.0 / 5.0 * pi())); $path->lineTo($radius * sin(9.0 / 5.0 * pi()), $radius * cos(9.0 / 5.0 * pi())); $path->lineTo($radius * sin(3.0 / 5.0 * pi()), $radius * cos(3.0 / 5.0 * pi())); $path->lineTo($radius * sin(7.0 / 5.0 * pi()), $radius * cos(7.0 / 5.0 * pi())); $path->lineTo($radius * sin(1.0 / 5.0 * pi()), $radius * cos(1.0 / 5.0 * pi())); $path->close(); $graphic->addPath($path)->setFillColor('black')->setStrokeColor('blue', 0.6)->setOpacity(0.6); $radius = 20; $path = new Path($radius * sin(0.0 / 3.0 * pi()), $radius * cos(0.0 / 3.0 * pi())); $path->lineTo($radius * sin(2.0 / 3.0 * pi()), $radius * cos(2.0 / 3.0 * pi())); $path->lineTo($radius * sin(4.0 / 3.0 * pi()), $radius * cos(4.0 / 3.0 * pi())); $path->close(); $path->moveTo($radius * sin(1.0 / 3.0 * pi()), $radius * cos(1.0 / 3.0 * pi())); $path->lineTo($radius * sin(5.0 / 3.0 * pi()), $radius * cos(5.0 / 3.0 * pi())); $path->lineTo($radius * sin(3.0 / 3.0 * pi()), $radius * cos(3.0 / 3.0 * pi())); $path->close(); $graphic->addPath($path)->setFillColor('gray')->setStrokeColor('black', 0.6)->setOpacity(0.6); $graphic->addCircle(0, 0, 80)->setStrokeColor('green'); // just supported in svg-writer, yet $text = $graphic->addPathText('Round and Round and Round and Round ...', $p1); $text->setFont(12); $text->align(FontStyle::HORIZONTAL_ALIGN_MIDDLE, FontStyle::VERTICAL_ALIGN_BOTTOM); $text->setStrokeColor('red'); $text->setStrokeWidth(0.2); $text->setOpacity(0.4); return $graphic;