Start SVG (#113)

* Add class placeholders * Add units conversion function * Update tc-lib-pdf-graph * SVG tranforamtion * Update tc-lib-pdf-encrypt and encode /DA.
tecnickcom · Aug 30, 2024 · 7aa4b1b · 7aa4b1b
1 parent 29aff77
commit 7aa4b1b
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diff --git a/VERSION b/VERSION
@@ -1 +1 @@
-8.0.77
+8.0.79
diff --git a/composer.json b/composer.json
@@ -31,7 +31,7 @@
     "tecnickcom/tc-lib-unicode-data": "^2.0",
     "tecnickcom/tc-lib-unicode": "^2.0",
     "tecnickcom/tc-lib-pdf-page": "^4.2",
-    "tecnickcom/tc-lib-pdf-graph": "^2.1"
+    "tecnickcom/tc-lib-pdf-graph": "^2.2"
   },
   "require-dev": {
     "pdepend/pdepend": "2.13.0",

diff --git a/resources/debian/control b/resources/debian/control
@@ -10,6 +10,6 @@ Vcs-Git: https://github.com/~#VENDOR#~/~#PROJECT#~.git
 Package: ~#PKGNAME#~
 Provides: php-~#PROJECT#~
 Architecture: all
-Depends: php (>= 8.0.0), php-date, php-tecnickcom-tc-lib-barcode (<< 3.0.0), php-tecnickcom-tc-lib-barcode (>= 2.2.3), php-tecnickcom-tc-lib-color (<< 3.0.0), php-tecnickcom-tc-lib-color (>= 2.2.2), php-tecnickcom-tc-lib-pdf-image (<< 3.0.0), php-tecnickcom-tc-lib-pdf-image (>= 2.1.1), php-tecnickcom-tc-lib-pdf-font (<< 3.0.0), php-tecnickcom-tc-lib-pdf-font (>= 2.5.0), php-tecnickcom-tc-lib-file (<< 3.0.0), php-tecnickcom-tc-lib-file (>= 2.0.13), php-tecnickcom-tc-lib-pdf-encrypt (<< 3.0.0), php-tecnickcom-tc-lib-pdf-encrypt (>= 2.1.4), php-tecnickcom-tc-lib-unicode-data (<< 3.0.0), php-tecnickcom-tc-lib-unicode-data (>= 2.0.13), php-tecnickcom-tc-lib-unicode (<< 3.0.0), php-tecnickcom-tc-lib-unicode (>= 2.0.13), php-tecnickcom-tc-lib-pdf-page (<< 5.0.0), php-tecnickcom-tc-lib-pdf-page (>= 4.2.0), php-tecnickcom-tc-lib-pdf-graph (<< 3.0.0), php-tecnickcom-tc-lib-pdf-graph (>= 2.1.1), ${misc:Depends}
+Depends: php (>= 8.0.0), php-date, php-tecnickcom-tc-lib-barcode (<< 3.0.0), php-tecnickcom-tc-lib-barcode (>= 2.2.3), php-tecnickcom-tc-lib-color (<< 3.0.0), php-tecnickcom-tc-lib-color (>= 2.2.2), php-tecnickcom-tc-lib-pdf-image (<< 3.0.0), php-tecnickcom-tc-lib-pdf-image (>= 2.1.1), php-tecnickcom-tc-lib-pdf-font (<< 3.0.0), php-tecnickcom-tc-lib-pdf-font (>= 2.5.0), php-tecnickcom-tc-lib-file (<< 3.0.0), php-tecnickcom-tc-lib-file (>= 2.0.13), php-tecnickcom-tc-lib-pdf-encrypt (<< 3.0.0), php-tecnickcom-tc-lib-pdf-encrypt (>= 2.1.5), php-tecnickcom-tc-lib-unicode-data (<< 3.0.0), php-tecnickcom-tc-lib-unicode-data (>= 2.0.13), php-tecnickcom-tc-lib-unicode (<< 3.0.0), php-tecnickcom-tc-lib-unicode (>= 2.0.13), php-tecnickcom-tc-lib-pdf-page (<< 5.0.0), php-tecnickcom-tc-lib-pdf-page (>= 4.2.0), php-tecnickcom-tc-lib-pdf-graph (<< 3.0.0), php-tecnickcom-tc-lib-pdf-graph (>= 2.2.0), ${misc:Depends}
 Description: PHP Barcode library
  This library includes PHP classes to generate PDF documents.
diff --git a/resources/rpm/rpm.spec b/resources/rpm/rpm.spec
@@ -30,15 +30,15 @@ Requires:  php-composer(%{c_vendor}/tc-lib-pdf-font) >= 2.5.0
 Requires:  php-composer(%{c_vendor}/tc-lib-file) < 3.0.0
 Requires:  php-composer(%{c_vendor}/tc-lib-file) >= 2.0.13
 Requires:  php-composer(%{c_vendor}/tc-lib-pdf-encrypt) < 3.0.0
-Requires:  php-composer(%{c_vendor}/tc-lib-pdf-encrypt) >= 2.1.4
+Requires:  php-composer(%{c_vendor}/tc-lib-pdf-encrypt) >= 2.1.5
 Requires:  php-composer(%{c_vendor}/tc-lib-unicode-data) < 3.0.0
 Requires:  php-composer(%{c_vendor}/tc-lib-unicode-data) >= 2.0.13
 Requires:  php-composer(%{c_vendor}/tc-lib-unicode) < 3.0.0
 Requires:  php-composer(%{c_vendor}/tc-lib-unicode) >= 2.0.13
 Requires:  php-composer(%{c_vendor}/tc-lib-pdf-page) < 5.0.0
 Requires:  php-composer(%{c_vendor}/tc-lib-pdf-page) >= 4.2.0
 Requires:  php-composer(%{c_vendor}/tc-lib-pdf-graph) < 3.0.0
-Requires:  php-composer(%{c_vendor}/tc-lib-pdf-graph) >= 2.1.1
+Requires:  php-composer(%{c_vendor}/tc-lib-pdf-graph) >= 2.2.0
 
 Provides:  php-composer(%{c_vendor}/%{gh_project}) = %{version}
 Provides:  php-%{gh_project} = %{version}

diff --git a/src/Base.php b/src/Base.php
@@ -16,6 +16,7 @@
 
 namespace Com\Tecnick\Pdf;
 
+use Com\Tecnick\Pdf\Exception as PdfException;
 use Com\Tecnick\Barcode\Barcode as ObjBarcode;
 use Com\Tecnick\Color\Pdf as ObjColor;
 use Com\Tecnick\File\Cache as ObjCache;
@@ -87,6 +88,21 @@
  *       'borderpos': float,
  *    }
  *
+ *
+ * @phpstan-type TRefUnitValues array{
+ *    'parent': float,
+ *    'font': array{
+ *       'rootsize': float,
+ *       'size': float,
+ *       'xheight': float,
+ *       'zerowidth': float,
+ *    },
+ *    'viewport': array{
+ *       'width': float,
+ *       'height': float,
+ *    },
+ * }
+ *
  * @phpstan-type TStackBBox array<int, TBBox>
  *
  * @phpstan-import-type TAnnot from Output
@@ -156,7 +172,7 @@ abstract class Base
     /**
      * TCPDF version.
      */
-    protected string $version = '8.0.77';
+    protected string $version = '8.0.79';
 
     /**
      * Time is seconds since EPOCH when the document was created.
@@ -238,11 +254,33 @@ abstract class Base
      */
     protected string $unit = 'mm';
 
+    /**
+     * Valid HTML/CSS/SVG units.
+     *
+     * @var array<string>
+     */
+    protected const VALIDUNITS = [
+        '%', 'ch', 'cm', 'em', 'ex',
+        'in', 'mm', 'pc', 'pt', 'px',
+        'rem', 'vh', 'vmax', 'vmin', 'vw',
+    ];
+
+    /**
+     * DPI (Dot Per Inch) Document Resolution (do not change).
+     * 1pt = 1/72 of 1in.
+     */
+    protected float $dpi = 72.0;
+
     /**
      * Unit of measure conversion ratio.
      */
     protected float $kunit = 1.0;
 
+    /**
+     * Ratio between an internal point and pixel size.
+     */
+    protected float $pointtopixelratio = 1.0;
+
     /**
      * Version of the PDF/A mode or 0 otherwise.
      */
@@ -596,4 +634,96 @@ public function enableDefaultPageContent(bool $enable = true): void
     {
         $this->defPageContentEnabled = $enable;
     }
+
+    /**
+     * Set the pixel/point ratio used to convert pixel values to points.
+     *
+     * @param float $val
+     *
+     * @return void
+     */
+    public function setPointToPixelRatio(float $val): void
+    {
+        $this->pointtopixelratio = $val;
+    }
+
+    /**
+     * Converts a string containing value and unit of measure to internal points.
+     * This is used to convert values for SVG, CSS, HTML.
+     *
+     * @param string|float|int $val String containing values and unit.
+     * @param TRefUnitValues $ref Reference values in points.
+     * @param string $defunit Default unit (can be one of the VALIDUNITS).
+     *
+     * @return float Internal points value.
+     */
+    public function getUnitValuePoints(
+        string|float|int $val,
+        array $ref = [
+            'parent' => 1.0,
+            'font' => [
+                'rootsize' => 10.0,
+                'size' => 10.0,
+                'xheight' => 5.0,
+                'zerowidth' => 3.0,
+            ],
+            'viewport' => [
+                'width' => 1000.0,
+                'height' => 1000.0,
+            ],
+        ],
+        string $defunit = 'px',
+    ): float {
+        $unit = 'px';
+        if (in_array($defunit, self::VALIDUNITS)) {
+            $unit = $defunit;
+        }
+
+        $value = 0.0;
+        if (is_numeric($val)) {
+            $value = floatval($val);
+        } elseif (preg_match('/([0-9\.\-\+]+)([a-z%]{0,4})/', $val, $match)) {
+            $value = floatval($match[1]);
+            if (in_array($match[2], self::VALIDUNITS)) {
+                $unit = $match[2];
+            }
+        } else {
+            throw new PdfException('Invalid value: ' . $val);
+        }
+
+        return match ($unit) {
+            // Percentage relative to the parent element.
+            '%' => (($value * $ref['parent']) / 100),
+            // Relative to the width of the "0" (zero)
+            'ch' => ($value * $ref['font']['zerowidth']),
+            // Centimeters.
+            'cm' => (($value * $this->dpi) / 2.54),
+            // Relative to the font-size of the element.
+            'em' => ($value * $ref['font']['size']),
+            // Relative to the x-height of the current font.
+            'ex' => ($value * $ref['font']['xheight']),
+            // Inches.
+            'in' => ($value * $this->dpi),
+            // Millimeters.
+            'mm' => (($value * $this->dpi) / 25.4),
+            // One pica is 12 points.
+            'pc' => ($value * 12),
+            // Points.
+            'pt' => $value,
+            // Pixels.
+            'px' => ($value * $this->pointtopixelratio),
+            // Relative to font-size of the root element.
+            'rem' => ($value * $ref['font']['rootsize']),
+            // Relative to 1% of the height of the viewport.
+            'vh' => (($value * $ref['viewport']['height']) / 100),
+            // Relative to 1% of viewport's* larger dimension.
+            'vmax' => (($value * max($ref['viewport']['height'], $ref['viewport']['width'])) / 100),
+            // Relative to 1% of viewport's smaller dimension.
+            'vmin' => (($value * min($ref['viewport']['height'], $ref['viewport']['width'])) / 100),
+            // Relative to 1% of the width of the viewport.
+            'vw' => (($value * $ref['viewport']['width']) / 100),
+            // Default to pixels.
+            default => ($value * $this->pointtopixelratio),
+        };
+    }
 }
diff --git a/src/CSS.php b/src/CSS.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * CSS.php
+ *
+ * @since     2002-08-03
+ * @category  Library
+ * @package   Pdf
+ * @author    Nicola Asuni <[email protected]>
+ * @copyright 2002-2024 Nicola Asuni - Tecnick.com LTD
+ * @license   http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
+ * @link      https://github.com/tecnickcom/tc-lib-pdf
+ *
+ * This file is part of tc-lib-pdf software library.
+ */
+
+namespace Com\Tecnick\Pdf;
+
+use Com\Tecnick\Pdf\Exception as PdfException;
+
+/**
+ * Com\Tecnick\Pdf\CSS
+ *
+ * CSS PDF class
+ *
+ * @since     2002-08-03
+ * @category  Library
+ * @package   Pdf
+ * @author    Nicola Asuni <[email protected]>
+ * @copyright 2002-2024 Nicola Asuni - Tecnick.com LTD
+ * @license   http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
+ * @link      https://github.com/tecnickcom/tc-lib-pdf
+ */
+abstract class CSS extends \Com\Tecnick\Pdf\SVG
+{
+}
diff --git a/src/ClassObjects.php b/src/ClassObjects.php
@@ -40,6 +40,7 @@
  * @license   http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
  * @link      https://github.com/tecnickcom/tc-lib-pdf
  *
+ * @SuppressWarnings(PHPMD.DepthOfInheritance)
  */
 abstract class ClassObjects extends \Com\Tecnick\Pdf\Output
 {

diff --git a/src/HTML.php b/src/HTML.php
@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * HTML.php
+ *
+ * @since     2002-08-03
+ * @category  Library
+ * @package   Pdf
+ * @author    Nicola Asuni <[email protected]>
+ * @copyright 2002-2024 Nicola Asuni - Tecnick.com LTD
+ * @license   http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
+ * @link      https://github.com/tecnickcom/tc-lib-pdf
+ *
+ * This file is part of tc-lib-pdf software library.
+ */
+
+namespace Com\Tecnick\Pdf;
+
+use Com\Tecnick\Pdf\Exception as PdfException;
+
+/**
+ * Com\Tecnick\Pdf\HTML
+ *
+ * HTML PDF class
+ *
+ * @since     2002-08-03
+ * @category  Library
+ * @package   Pdf
+ * @author    Nicola Asuni <[email protected]>
+ * @copyright 2002-2024 Nicola Asuni - Tecnick.com LTD
+ * @license   http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
+ * @link      https://github.com/tecnickcom/tc-lib-pdf
+ */
+abstract class HTML extends \Com\Tecnick\Pdf\CSS
+{
+}
diff --git a/src/JavaScript.php b/src/JavaScript.php
@@ -0,0 +1,38 @@
+<?php
+
+/**
+ * JavaScript.php
+ *
+ * @since     2002-08-03
+ * @category  Library
+ * @package   Pdf
+ * @author    Nicola Asuni <[email protected]>
+ * @copyright 2002-2024 Nicola Asuni - Tecnick.com LTD
+ * @license   http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
+ * @link      https://github.com/tecnickcom/tc-lib-pdf
+ *
+ * This file is part of tc-lib-pdf software library.
+ */
+
+namespace Com\Tecnick\Pdf;
+
+use Com\Tecnick\Pdf\Exception as PdfException;
+
+/**
+ * Com\Tecnick\Pdf\JavaScript
+ *
+ * JavaScript PDF class
+ *
+ * @since     2002-08-03
+ * @category  Library
+ * @package   Pdf
+ * @author    Nicola Asuni <[email protected]>
+ * @copyright 2002-2024 Nicola Asuni - Tecnick.com LTD
+ * @license   http://www.gnu.org/copyleft/lesser.html GNU-LGPL v3 (see LICENSE.TXT)
+ * @link      https://github.com/tecnickcom/tc-lib-pdf
+ *
+ * @SuppressWarnings(PHPMD.DepthOfInheritance)
+ */
+abstract class JavaScript extends \Com\Tecnick\Pdf\HTML
+{
+}
diff --git a/src/MetaInfo.php b/src/MetaInfo.php
@@ -32,8 +32,10 @@
  * @link      https://github.com/tecnickcom/tc-lib-pdf
  *
  * @phpstan-import-type TViewerPref from Base
+ *
+ * @SuppressWarnings(PHPMD.DepthOfInheritance)
  */
-abstract class MetaInfo extends \Com\Tecnick\Pdf\Text
+abstract class MetaInfo extends \Com\Tecnick\Pdf\JavaScript
 {
     /**
      * Valid document zoom modes

diff --git a/src/Output.php b/src/Output.php
@@ -901,7 +901,7 @@ protected function getOutCatalog(): string
             }
 
             $font = $this->font->getFont('helvetica');
-            $out .= ' /DA (/F' . $font['i'] . ' 0 Tf 0 g)';
+            $out .= ' /DA ' . $this->encrypt->escapeDataString('/F' . $font['i'] . ' 0 Tf 0 g', $oid);
             $out .= ' /Q ' . (($this->rtl) ? '2' : '0');
             //$out .= ' /XFA ';
             $out .= ' >>';
@@ -1657,7 +1657,7 @@ protected function getOutAnnotationOptSubtype(array $annot, int $pagenum, int $o
             'caret' => $this->getOutAnnotationOptSubtypeCaret($annot),
             'circle' => $this->getOutAnnotationOptSubtypeCircle($annot),
             'fileattachment' => $this->getOutAnnotationOptSubtypeFileattachment($annot, $key),
-            'freetext' => $this->getOutAnnotationOptSubtypeFreetext($annot),
+            'freetext' => $this->getOutAnnotationOptSubtypeFreetext($annot, $oid),
             'highlight' => $this->getOutAnnotationOptSubtypeHighlight($annot),
             'ink' => $this->getOutAnnotationOptSubtypeInk($annot),
             'line' => $this->getOutAnnotationOptSubtypeLine($annot),
@@ -1827,12 +1827,13 @@ protected function getOutAnnotationOptSubtypeLink(
      * Returns the output code associated with the annotation opt.subtype.freetext.
      *
      * @param TAnnot $annot Array containing page annotations.
+     * @param int    $oid     Annotation Object ID.
      */
-    protected function getOutAnnotationOptSubtypeFreetext(array $annot): string
+    protected function getOutAnnotationOptSubtypeFreetext(array $annot, int $oid): string
     {
         $out = '';
         if (! empty($annot['opt']['da'])) {
-            $out .= ' /DA (' . $annot['opt']['da'] . ')';
+            $out .= ' /DA ' . $this->encrypt->escapeDataString($annot['opt']['da'], $oid);
         }
 
         if (
@@ -2304,7 +2305,7 @@ protected function getOutAnnotationOptSubtypeWidget(
         }
 
         if (! empty($annot['opt']['da'])) {
-            $out .= ' /DA (' . $annot['opt']['da'] . ')';
+            $out .= ' /DA ' . $this->encrypt->escapeDataString($annot['opt']['da'], $oid);
         }
 
         if (