public function draw(SVGRenderingHelper $rh, $scaleX, $scaleY, $offsetX = 0, $offsetY = 0)
{
$rh->push();
$opacity = $this->getStyle('opacity');
if (isset($opacity) && is_numeric($opacity)) {
$opacity = floatval($opacity);
$rh->scaleOpacity($opacity);
}
// original (document fragment) width for unit parsing
$ow = $rh->getWidth() / $scaleX;
$p = array();
$np = count($this->points);
for ($i = 0; $i < $np; $i++) {
$point = $this->points[$i];
$p[] = ($offsetX + $point[0]) * $scaleX;
$p[] = ($offsetY + $point[1]) * $scaleY;
}
$fill = $this->getComputedStyle('fill');
if (isset($fill) && $fill !== 'none') {
$fillColor = SVG::parseColor($fill, true);
$rh->fillPolygon($p, $np, $fillColor);
}
$stroke = $this->getComputedStyle('stroke');
if (isset($stroke) && $stroke !== 'none') {
$strokeColor = SVG::parseColor($stroke, true);
$rh->setStrokeWidth(SVG::convertUnit($this->getComputedStyle('stroke-width'), $ow) * $scaleX);
$rh->drawPolyline($p, $np, $strokeColor);
}
$rh->pop();
}
public function draw(SVGRenderingHelper $rh, $scaleX, $scaleY, $offsetX = 0, $offsetY = 0)
{
$rh->push();
$opacity = $this->getStyle('opacity');
if (isset($opacity) && is_numeric($opacity)) {
$opacity = floatval($opacity);
$rh->scaleOpacity($opacity);
}
// original (document fragment) width for unit parsing
$ow = $rh->getWidth() / $scaleX;
// start of polygon construction
$polys = array();
$currentPoly = null;
$x = 0;
$y = 0;
$startX = null;
$startY = null;
$matches = array();
preg_match_all('/[MLHVCQAZ][^MLHVCQAZ]*/i', $this->d, $matches, PREG_SET_ORDER);
foreach ($matches as $match) {
$match = trim($match[0]);
$command = substr($match, 0, 1);
$args = preg_split('/[\\s,]+/', trim(substr($match, 1)));
if ($command === 'M') {
// moveto absolute
foreach (array_chunk($args, 2) as $args) {
if (count($args) < 2) {
break 2;
}
$x = floatval($args[0]);
$y = floatval($args[1]);
$startX = $x;
$startY = $y;
if (!empty($currentPoly)) {
$polys[] = $currentPoly;
}
$currentPoly = array(($offsetX + $x) * $scaleX, ($offsetY + $y) * $scaleY);
}
} else {
if ($command === 'm') {
// moveto relative
foreach (array_chunk($args, 2) as $args) {
if (count($args) < 2) {
break 2;
}
$x += floatval($args[0]);
$y += floatval($args[1]);
$startX = $x;
$startY = $y;
if (!empty($currentPoly)) {
$polys[] = $currentPoly;
}
$currentPoly = array(($offsetX + $x) * $scaleX, ($offsetY + $y) * $scaleY);
}
} else {
if ($command === 'L') {
// lineto absolute
foreach (array_chunk($args, 2) as $args) {
if (count($args) < 2) {
break 2;
}
$x = floatval($args[0]);
$y = floatval($args[1]);
$currentPoly[] = ($offsetX + $x) * $scaleX;
$currentPoly[] = ($offsetY + $y) * $scaleY;
}
} else {
if ($command === 'l') {
// lineto relative
foreach (array_chunk($args, 2) as $args) {
if (count($args) < 2) {
break 2;
}
$x += floatval($args[0]);
$y += floatval($args[1]);
$currentPoly[] = ($offsetX + $x) * $scaleX;
$currentPoly[] = ($offsetY + $y) * $scaleY;
}
} else {
if ($command === 'H') {
// lineto horizontal absolute
if (empty($args)) {
break;
}
foreach ($args as $arg) {
$x = floatval($arg);
$currentPoly[] = ($offsetX + $x) * $scaleX;
$currentPoly[] = ($offsetY + $y) * $scaleY;
}
} else {
if ($command === 'h') {
// lineto horizontal relative
if (empty($args)) {
break;
}
foreach ($args as $arg) {
$x += floatval($arg);
$currentPoly[] = ($offsetX + $x) * $scaleX;
$currentPoly[] = ($offsetY + $y) * $scaleY;
}
} else {
if ($command === 'V') {
// lineto vertical absolute
if (empty($args)) {
break;
}
foreach ($args as $arg) {
$y = floatval($arg);
$currentPoly[] = ($offsetX + $x) * $scaleX;
$currentPoly[] = ($offsetY + $y) * $scaleY;
}
} else {
if ($command === 'v') {
// lineto vertical relative
if (empty($args)) {
break;
}
foreach ($args as $arg) {
$y += floatval($arg);
$currentPoly[] = ($offsetX + $x) * $scaleX;
$currentPoly[] = ($offsetY + $y) * $scaleY;
}
} else {
if ($command === 'Z' || $command === 'z') {
// end
if (!empty($args)) {
break;
}
$x = $startX !== null ? $startX : 0;
$y = $startY !== null ? $startY : 0;
$currentPoly[] = ($offsetX + $x) * $scaleX;
$currentPoly[] = ($offsetY + $y) * $scaleY;
} else {
if ($command === 'C') {
// curveto cubic absolute
foreach (array_chunk($args, 6) as $args) {
if (count($args) < 6) {
break 2;
}
// start point
$p0x = ($offsetX + $x) * $scaleX;
$p0y = ($offsetY + $y) * $scaleY;
// first control point
$p1x = ($offsetX + floatval($args[0])) * $scaleX;
$p1y = ($offsetY + floatval($args[1])) * $scaleY;
// second control point
$p2x = ($offsetX + floatval($args[2])) * $scaleX;
$p2y = ($offsetY + floatval($args[3])) * $scaleY;
// final point
$nx = floatval($args[4]);
$ny = floatval($args[5]);
$p3x = ($offsetX + $nx) * $scaleX;
$p3y = ($offsetY + $ny) * $scaleY;
$currentPoly = array_merge($currentPoly, SVGRenderingHelper::approximateCubicBezier(array($p0x, $p0y), array($p1x, $p1y), array($p2x, $p2y), array($p3x, $p3y)));
$x = $nx;
$y = $ny;
}
} else {
if ($command === 'c') {
// curveto cubic relative
foreach (array_chunk($args, 6) as $args) {
if (count($args) < 6) {
break 2;
}
// start point
$p0x = ($offsetX + $x) * $scaleX;
$p0y = ($offsetY + $y) * $scaleY;
// first control point
$p1x = ($offsetX + $x + floatval($args[0])) * $scaleX;
$p1y = ($offsetY + $y + floatval($args[1])) * $scaleY;
// second control point
$p2x = ($offsetX + $x + floatval($args[2])) * $scaleX;
$p2y = ($offsetY + $y + floatval($args[3])) * $scaleY;
// final point
$nx = $x + floatval($args[4]);
$ny = $y + floatval($args[5]);
$p3x = ($offsetX + $nx) * $scaleX;
$p3y = ($offsetY + $ny) * $scaleY;
$currentPoly = array_merge($currentPoly, SVGRenderingHelper::approximateCubicBezier(array($p0x, $p0y), array($p1x, $p1y), array($p2x, $p2y), array($p3x, $p3y)));
$x = $nx;
$y = $ny;
}
} else {
if ($command === 'Q') {
// curveto quadratic absolute
foreach (array_chunk($args, 4) as $args) {
if (count($args) < 4) {
break 2;
}
// start point
$p0x = ($offsetX + $x) * $scaleX;
$p0y = ($offsetY + $y) * $scaleY;
// control point
$p1x = ($offsetX + floatval($args[0])) * $scaleX;
$p1y = ($offsetY + floatval($args[1])) * $scaleY;
// final point
$nx = floatval($args[2]);
$ny = floatval($args[3]);
$p2x = ($offsetX + $nx) * $scaleX;
$p2y = ($offsetY + $ny) * $scaleY;
$currentPoly = array_merge($currentPoly, SVGRenderingHelper::approximateQuadraticBezier(array($p0x, $p0y), array($p1x, $p1y), array($p2x, $p2y)));
$x = $nx;
$y = $ny;
}
} else {
if ($command === 'q') {
// curveto quadratic relative
foreach (array_chunk($args, 4) as $args) {
if (count($args) < 4) {
break 2;
}
// start point
$p0x = ($offsetX + $x) * $scaleX;
$p0y = ($offsetY + $y) * $scaleY;
// control point
$p1x = ($offsetX + $x + floatval($args[0])) * $scaleX;
$p1y = ($offsetY + $y + floatval($args[1])) * $scaleY;
// final point
$nx = $x + floatval($args[2]);
$ny = $y + floatval($args[3]);
$p2x = ($offsetX + $nx) * $scaleX;
$p2y = ($offsetY + $ny) * $scaleY;
$currentPoly = array_merge($currentPoly, SVGRenderingHelper::approximateQuadraticBezier(array($p0x, $p0y), array($p1x, $p1y), array($p2x, $p2y)));
$x = $nx;
$y = $ny;
}
}
}
}
}
}
}
}
}
}
}
}
}
}
}
if (!empty($currentPoly)) {
$polys[] = $currentPoly;
}
// fill
$fill = $this->getComputedStyle('fill');
if (isset($fill) && $fill !== 'none') {
$fillColor = SVG::parseColor($fill, true);
foreach ($polys as $poly) {
$numpoints = count($poly) / 2;
if ($numpoints >= 3) {
$rh->fillPolygon($poly, $numpoints, $fillColor);
}
}
}
// outline
$stroke = $this->getComputedStyle('stroke');
if (isset($stroke) && $stroke !== 'none') {
$strokeColor = SVG::parseColor($stroke, true);
$rh->setStrokeWidth(SVG::convertUnit($this->getComputedStyle('stroke-width'), $ow) * $scaleX);
foreach ($polys as $poly) {
$rh->drawPolyline($poly, count($poly) / 2, $strokeColor);
}
}
$rh->pop();
}