Merge pull request #193 from Progi1984/issue168

#168 : Support for images in base64

Author: Progi1984

CHANGELOG.md

@@ -15,6 +15,7 @@
 - ODPresentation & PowerPoint2007 Writer : Add support for Comment - @Progi1984 GH-116
 - ODPresentation & PowerPoint2007 Writer : Thumbnail of the presentation - @Progi1984 GH-125
 - ODPresentation & PowerPoint2007 Writer : Add support for Gridlines in Chart - @Progi1984 GH-129
+- ODPresentation & PowerPoint2007 Writer : Support for images in base 64 - @Progi1984 GH-168
 - ODPresentation & PowerPoint2007 Writer : Marker of Series in Line & Scatter chart is customizable - @Progi1984 GH-169
 - ODPresentation & PowerPoint2007 Writer : Outline of Series in Line & Scatter chart is customizable - @Progi1984 GH-169
 - PowerPoint2007 & Serialized Writer : Support for Zip Adapter - @Progi1984 GH-176

samples/Sample_03_Image.php

@@ -247,6 +247,10 @@ public function save($pFilename)
                             $imageContents = $imageZip->getFromName($imagePathSplitted[1]);
                             $imageZip->close();
                             unset($imageZip);
+                        } elseif (strpos($imagePath, 'data:image/') === 0) {
+                            list(, $imageContents) = explode(';', $imagePath);
+                            list(, $imageContents) = explode(',', $imageContents);
+                            $imageContents = base64_decode($imageContents);
                         } else {
                             $imageContents = file_get_contents($imagePath);
                         }

samples/resources/sintel_trailer-480p.wmv

@@ -151,29 +151,42 @@ public function writePart()
      * @param  string    $pFile Filename
      * @return string    Mime Type
      * @throws \Exception
+     * @todo PowerPoint2007\ContentTypes duplicate Code : getImageMimeType
      */
     private function getImageMimeType($pFile = '')
     {
-        if (File::fileExists($pFile)) {
-            if (strpos($pFile, 'zip://') === 0) {
-                $pZIPFile = str_replace('zip://', '', $pFile);
-                $pZIPFile = substr($pZIPFile, 0, strpos($pZIPFile, '#'));
-                $pImgFile = substr($pFile, strpos($pFile, '#') + 1);
-                $oArchive = new \ZipArchive();
-                $oArchive->open($pZIPFile);
-                if (!function_exists('getimagesizefromstring')) {
-                    $uri = 'data://application/octet-stream;base64,' . base64_encode($oArchive->getFromName($pImgFile));
-                    $image = getimagesize($uri);
-                } else {
-                    $image = getimagesizefromstring($oArchive->getFromName($pImgFile));
-                }
+        if (strpos($pFile, 'zip://') === 0) {
+            $pZIPFile = str_replace('zip://', '', $pFile);
+            $pZIPFile = substr($pZIPFile, 0, strpos($pZIPFile, '#'));
+            if (!File::fileExists($pZIPFile)) {
+                throw new \Exception("File $pFile does not exist");
+            }
+            $pImgFile = substr($pFile, strpos($pFile, '#') + 1);
+            $oArchive = new \ZipArchive();
+            $oArchive->open($pZIPFile);
+            if (!function_exists('getimagesizefromstring')) {
+                $uri = 'data://application/octet-stream;base64,' . base64_encode($oArchive->getFromName($pImgFile));
+                $image = getimagesize($uri);
             } else {
-                $image = getimagesize($pFile);
+                $image = getimagesizefromstring($oArchive->getFromName($pImgFile));
+            }
+        } elseif (strpos($pFile, 'data:image/') === 0) {
+            $sImage = $pFile;
+            list(, $sImage) = explode(';', $sImage);
+            list(, $sImage) = explode(',', $sImage);
+            if (!function_exists('getimagesizefromstring')) {
+                $uri = 'data://application/octet-stream;base64,' . base64_encode($sImage);
+                $image = getimagesize($uri);
+            } else {
+                $image = getimagesizefromstring($sImage);
             }
-
-            return image_type_to_mime_type($image[2]);
         } else {
-            throw new \Exception("File $pFile does not exist");
+            if (!File::fileExists($pFile)) {
+                throw new \Exception("File $pFile does not exist");
+            }
+            $image = getimagesize($pFile);
         }
+
+        return image_type_to_mime_type($image[2]);
     }
 }

src/PhpPresentation/Writer/ODPresentation.php

@@ -190,6 +190,16 @@ private function getImageMimeType($pFile = '')
             } else {
                 $image = getimagesizefromstring($oArchive->getFromName($pImgFile));
             }
+        } elseif (strpos($pFile, 'data:image/') === 0) {
+            $sImage = $pFile;
+            list(, $sImage) = explode(';', $sImage);
+            list(, $sImage) = explode(',', $sImage);
+            if (!function_exists('getimagesizefromstring')) {
+                $uri = 'data://application/octet-stream;base64,' . base64_encode($sImage);
+                $image = getimagesize($uri);
+            } else {
+                $image = getimagesizefromstring($sImage);
+            }
         } else {
             if (!File::fileExists($pFile)) {
                 throw new \Exception("File $pFile does not exist");

src/PhpPresentation/Writer/ODPresentation/Manifest.php

@@ -25,6 +25,10 @@ public function render()
                     $imageContents = $imageZip->getFromName($imagePathSplitted[1]);
                     $imageZip->close();
                     unset($imageZip);
+                } elseif (strpos($imagePath, 'data:image/') === 0) {
+                    list(, $imageContents) = explode(';', $imagePath);
+                    list(, $imageContents) = explode(',', $imageContents);
+                    $imageContents = base64_decode($imageContents);
                 } else {
                     $imageContents = file_get_contents($imagePath);
                 }