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Put an image svg on jpg, problem background white
Posted: 2018-11-23T06:49:28-07:00
by alexxxb62
Hello
I want to put an image svg on a jpg image.
To do that I use Imagick
Here is the code:
Code: Select all
// Prepare Map
$map = new \Imagick();
$map->newImage($formatSize_width, $formatSize_height, new \ImagickPixel($backgroundColor));
$map->setImageFormat("jpg");
$map->setImageUnits(imagick::RESOLUTION_PIXELSPERINCH);
$map->setResolution(300,300);
$draw_water2 = new \Imagick();
$draw_water2->readImage($WaterPathSvgOutput);
$map->compositeImage($draw_water2, \Imagick::COMPOSITE_ATOP, 0, 0);
$draw_water2->clear();
$map->writeImage($MapPath);
He adds my svg over my jpg, but he adds a white background on my svg. So I do not see my background image anymore
Do you have any idea where this may come from?
thank you in advance
Alexandre
Re: Put an image svg on jpg, problem background white
Posted: 2018-11-23T11:06:23-07:00
by fmw42
Post your SVG image and tell us what version of ImageMagick is being used. Perhaps you need to set the background color to transparent before reading the SVG image.
Re: Put an image svg on jpg, problem background white
Posted: 2018-11-23T20:05:05-07:00
by alexxxb62
Hello,
imagick module version : 3.2.0RC1
ImageMagick version : 6.8.9-9 Q16
and my svg :
Code: Select all
<?xml version="1.0" standalone="no"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 20010904//EN"
"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">
<svg version="1.0" xmlns="http://www.w3.org/2000/svg"
width="4724.444444pt" height="4724.444444pt" viewBox="0 0 4724.444444 4724.444444"
preserveAspectRatio="xMidYMid meet">
<metadata>
Created by potrace 1.12, written by Peter Selinger 2001-2015
</metadata>
<g transform="translate(0.000000,4724.444444) scale(0.218724,-0.218724)"
fill="#7CC7C8" stroke="none">
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</svg>
Alexandre
Re: Put an image svg on jpg, problem background white
Posted: 2018-11-23T22:53:42-07:00
by fmw42
This works for me with ImageMagick 6.9.10.14 Q16 Mac OSX with Inkscape 0.92.3 by adding -background none before reading the SVG image
Code: Select all
convert -background none test.svg test.png
It also works with the ImageMagick internal MSVG renderer
Code: Select all
convert -background none MSVG:test.svg test.png
And with the RSVG delegate installed
Code: Select all
convert -background none RSVG:test.svg test.png
All make the background transparent. Without the -background none, I get a white background.
See
http://us3.php.net/manual/en/imagick.se ... dcolor.php
http://us3.php.net/manual/en/imagick.se ... dcolor.php