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93 lines
3.6 KiB
Markdown
93 lines
3.6 KiB
Markdown
# QRMarkupSVG
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[Class `QRMarkupSVG`](https://github.com/chillerlan/php-qrcode/blob/main/src/Output/QRMarkupSVG.php):
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[Scalable Vector Graphics](https://developer.mozilla.org/en-US/docs/Glossary/SVG) (SVG) output.
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## Example
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See: [SVG example](https://github.com/chillerlan/php-qrcode/blob/main/examples/svg.php)
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Set the options:
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```php
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$options = new QROptions;
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$options->version = 7;
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$options->outputInterface = QRMarkupSVG::class;
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// if set to false, the light modules won't be rendered
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$options->drawLightModules = true;
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$options->svgUseFillAttributes = true;
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// draw the modules as circles isntead of squares
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$options->drawCircularModules = true;
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$options->circleRadius = 0.4;
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// connect paths to avoid render glitches
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// @see https://github.com/chillerlan/php-qrcode/issues/57
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$options->connectPaths = true;
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// keep modules of these types as square
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$options->keepAsSquare = [
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QRMatrix::M_FINDER_DARK,
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QRMatrix::M_FINDER_DOT,
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QRMatrix::M_ALIGNMENT_DARK,
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];
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// add a gradient via the <defs> element
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// @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/defs
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// @see https://developer.mozilla.org/en-US/docs/Web/SVG/Element/linearGradient
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$options->svgDefs = '
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<linearGradient id="rainbow" x1="1" y2="1">
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<stop stop-color="#e2453c" offset="0"/>
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<stop stop-color="#e07e39" offset="0.2"/>
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<stop stop-color="#e5d667" offset="0.4"/>
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<stop stop-color="#51b95b" offset="0.6"/>
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<stop stop-color="#1e72b7" offset="0.8"/>
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<stop stop-color="#6f5ba7" offset="1"/>
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</linearGradient>
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<style><![CDATA[
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.dark{fill: url(#rainbow);}
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.light{fill: #eee;}
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]]></style>';
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```
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Render the output:
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```php
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$data = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
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$out = new QRCode($options)->render($data); // -> data:image/svg+xml;base64,PD94bWwgdmVyc2...
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printf('<img alt="%s" src="%s" />', $alt, $out);
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```
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## Additional methods
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| method | return | description |
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|---------------------------------------------------|----------|---------------------------------------------------------------|
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| (protected) `getCssClass(int $M_TYPE = 0)` | `string` | returns a string with all css classes for the current element |
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| (protected) `getViewBox()` | `string` | returns the value for the SVG viewBox attribute |
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| (protected) `header()` | `string` | returns the `<svg>` header with the given options parsed |
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| (protected) `path(string $path, int $M_TYPE)` | `string` | renders and returns a single `<path>` element |
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| (protected) `paths()` | `string` | returns one or more SVG `<path>` elements |
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| (protected) `module(int $x, int $y, int $M_TYPE)` | `string` | returns a path segment for a single module |
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## Options that affect this class
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| property | type |
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|---------------------------|-------------|
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| `$circleRadius` | `float` |
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| `$connectPaths` | `bool` |
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| `$cssClass` | `string` |
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| `$drawCircularModules` | `bool` |
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| `$drawLightModules` | `bool` |
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| `$eol` | `string` |
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| `$excludeFromConnect` | `array` |
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| `$keepAsSquare` | `array` |
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| `$outputBase64` | `bool` |
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| `$svgAddXmlHeader` | `bool` |
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| `$svgDefs` | `string` |
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| `$svgOpacity` | `float` |
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| `$svgPreserveAspectRatio` | `string` |
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| `$svgViewBoxSize` | `int\|null` |
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| `$svgUseFillAttributes` | `bool` |
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