svgViewBoxSize missing in v5.0

[manuelKruesi]

Hello there! First of all, thanks for this amazign library and the constant support!
I am currently struggling with my generated svg only being 45x45, which is way too small. In the past, this was changed with the svgViewoxSize Option, but this seems missing since v5.0. Is there now another intended way?
Thanks for the support!

[codemasher]

Hi, the viewboxSize has been removed because of the common misconception that it would change the size of the QR Image - the viewbox size changes only the canvas size of the SVG, not the size of the contents, see #222.
If you want to change the output size of the SVG (i.e. when CSS is not available), you need to set the width and height attributes on the <svg> element:

php-qrcode/examples/imagickConvertSVGtoPNG.php

Lines 33 to 42 in 57448af

	// we need to specify the "width" and "height" attributes so that Imagick knows the output size
	$header = sprintf(
	'<svg xmlns="http://www.w3.org/2000/svg" class="qr-svg %1$s" viewBox="%2$s" preserveAspectRatio="%3$s" width="%5$s" height="%6$s">%4$s',
	$this->options->cssClass,
	$this->getViewBox(),
	$this->options->svgPreserveAspectRatio,
	$this->options->eol,
	($width * $this->scale), // use the scale option to modify the size
	($height * $this->scale)
	);

[codemasher]

(If you still need to change the viewboxSize, you just need to override the getViewBox() method.)

[manuelKruesi]

I see, thanks a lot for the clarification. The Example provided stems from the svg to png conversion, is there a way to directly apply these attributes (width and height) in the MARKUP_SVG, because the end product should still be an svg, not a png! Thanks for your quick help!

[codemasher]

You would just need to create your own custom output class and just override the desired method, just like it's shown in the several SVG examples. In fact, you could just use the above example as a basis and remove the dump() method, because that's where the conversion magic happens.

[manuelKruesi]

thanks a lot and have a nice weekend!

[codemasher]

Same to you!