/**
* @param float $r1
* @param float $r2
* @param float $alpha
* @param float $angle
*
* @return Path
*/
function getGroupPath($r1, $r2, $alpha, $angle)
{
$radians = ArcUtils::getArcRadians($alpha, $angle);
$scale = ArcUtils::getScale($radians);
list($sX, $sY) = ArcUtils::getPolarPoint($r2, $radians[0]);
list($curX, $curY) = ArcUtils::getPolarPoint($r1, $radians[0]);
$path = new Path($sX, $sY);
if ($r1 !== $r2) {
$path->lineTo($curX, $curY);
}
$pos = 1;
while ($pos < count($radians)) {
list($nextX, $nextY) = ArcUtils::getPolarPoint($r1, $radians[$pos++]);
list($c1X, $c1Y) = ArcUtils::getBezierControl($curX, $curY, -$scale);
list($c2X, $c2Y) = ArcUtils::getBezierControl($nextX, $nextY, $scale);
$path->curveTo($c1X, $c1Y, $c2X, $c2Y, $nextX, $nextY);
$curX = $nextX;
$curY = $nextY;
}
list($eX, $eY) = ArcUtils::getPolarPoint($r2, end($radians));
if ($r1 !== $r2) {
$path->lineTo($eX, $eY);
}
return $path;
}
/**
* @param Path $path
*/
private function initTable(Path $path)
{
$curX = 0.0;
$curY = 0.0;
foreach ($path->getElements() as $path) {
$destX = $path->getDestX();
$destY = $path->getDestY();
if ($path instanceof LineTo || $path instanceof Close) {
if ($curX === $destX && $curY === $destY) {
// skip empty lines
continue;
}
$this->addSection(new LinearSection($curX, $curY, $destX, $destY));
} elseif ($path instanceof CurveTo) {
$c1x = $path->getControl1X();
$c1y = $path->getControl1Y();
$c2x = $path->getControl2X();
$c2y = $path->getControl2Y();
if ($curX === $destX && $curY === $destY && $curX === $c1x && $curY === $c1y && $curX === $c2x && $curY === $c2y) {
// skip empty curve
continue;
}
$this->addSection(new CurvedSection($curX, $curY, $c1x, $c1y, $c2x, $c2y, $destX, $destY));
}
$curX = $destX;
$curY = $destY;
}
}
/**
*/
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());
}
/**
* @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;
}
/**
* @param ZendPage $page
* @param Path $path
* @param int $fillType
*
* @return ZendPage
* @throws \Exception
*/
private function drawRawPath(ZendPage $page, Path $path, $fillType)
{
$content = '';
foreach ($path->getElements() as $element) {
if ($element instanceof MoveTo) {
$xObj = new ZendNumericObject($element->getDestX());
$yObj = new ZendNumericObject($element->getDestY());
$content .= $xObj->toString() . ' ' . $yObj->toString() . ' ' . " m\n";
} elseif ($element instanceof LineTo) {
$xObj = new ZendNumericObject($element->getDestX());
$yObj = new ZendNumericObject($element->getDestY());
$content .= $xObj->toString() . ' ' . $yObj->toString() . ' ' . " l\n";
} elseif ($element instanceof CurveTo) {
$x1Obj = new ZendNumericObject($element->getControl1X());
$y1Obj = new ZendNumericObject($element->getControl1Y());
$x2Obj = new ZendNumericObject($element->getControl2X());
$y2Obj = new ZendNumericObject($element->getControl2Y());
$x3Obj = new ZendNumericObject($element->getDestX());
$y3Obj = new ZendNumericObject($element->getDestY());
$content .= $x1Obj->toString() . ' ' . $y1Obj->toString() . ' ' . $x2Obj->toString() . ' ' . $y2Obj->toString() . ' ' . $x3Obj->toString() . ' ' . $y3Obj->toString() . ' ' . " c\n";
} elseif ($element instanceof Close) {
$content .= "h\n";
} else {
throw new InvalidArgumentException('unsupported path element: ' . get_class($element));
}
}
switch ($fillType) {
case ZendPage::SHAPE_DRAW_FILL_AND_STROKE:
$content .= " B*\n";
break;
case ZendPage::SHAPE_DRAW_FILL:
$content .= " f*\n";
break;
case ZendPage::SHAPE_DRAW_STROKE:
$content .= " S\n";
break;
}
return $page->rawWrite($content, 'PDF');
}
$path->curveTo($radius * sin(9.0 / 5.0 * pi()) / 2, $radius * cos(9.0 / 5.0 * pi()) / 2, $radius * sin(1.0 / 5.0 * pi()) / 2, $radius * cos(1.0 / 5.0 * pi()) / 2, $radius * sin(2.0 / 5.0 * pi()), $radius * cos(2.0 / 5.0 * pi()));
$path->curveTo($radius * sin(3.0 / 5.0 * pi()) / 2, $radius * cos(3.0 / 5.0 * pi()) / 2, $radius * sin(5.0 / 5.0 * pi()) / 2, $radius * cos(5.0 / 5.0 * pi()) / 2, $radius * sin(6.0 / 5.0 * pi()), $radius * cos(6.0 / 5.0 * pi()));
$path->curveTo($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);
/**
* @param SimpleXMLElement $svg
* @param Path $path
* @param $yBase
*
* @return SimpleXMLElement
* @throws \Exception
*/
private function addPath(SimpleXMLElement $svg, Path $path, $yBase)
{
$d = '';
foreach ($path->getElements() as $element) {
if ($element instanceof MoveTo) {
$d .= 'M ' . $element->getDestX() . ',' . ($yBase - $element->getDestY()) . ' ';
} elseif ($element instanceof LineTo) {
$d .= 'L ' . $element->getDestX() . ',' . ($yBase - $element->getDestY()) . ' ';
} elseif ($element instanceof CurveTo) {
$d .= 'C ' . $element->getControl1X() . ',' . ($yBase - $element->getControl1Y()) . ' ' . $element->getControl2X() . ',' . ($yBase - $element->getControl2Y()) . ' ' . $element->getDestX() . ',' . ($yBase - $element->getDestY()) . ' ';
} elseif ($element instanceof Close) {
$d .= "Z ";
} else {
throw new InvalidArgumentException('unsupported path element: ' . get_class($element));
}
}
$child = $svg->addChild("path");
$child->addAttribute("d", $d);
return $child;
}
h<?php
use VectorGraphics\Model\Graphic;
use VectorGraphics\Model\Path;
$graphic = new Graphic();
$graphic->setViewportCorners(-50, -50, 50, 50);
$graphic->addRectangle(-49, -49, 98, 98)->setStrokeWidth(2);
$graphic->addCircle(0, 0, 45)->setFillColor('red', 0.5);
$radius = 40;
$path = new Path($radius * sin(0.0 / 5.0 * pi()), $radius * cos(0.0 / 5.0 * pi()));
$path->lineTo($radius * sin(4.0 / 5.0 * pi()), $radius * cos(4.0 / 5.0 * pi()));
$path->lineTo($radius * sin(8.0 / 5.0 * pi()), $radius * cos(8.0 / 5.0 * pi()));
$path->lineTo($radius * sin(2.0 / 5.0 * pi()), $radius * cos(2.0 / 5.0 * pi()));
$path->lineTo($radius * sin(6.0 / 5.0 * pi()), $radius * cos(6.0 / 5.0 * pi()));
$path->close();
$graphic->addPath($path);
return $graphic;