addImage from base64 string

README.md

@@ -328,10 +328,18 @@ For more information on using rich text, see here: [Using Rich Text](/docs/03-wr
 
 ###  Adding Images
 
+You can insert image to sheet from local file, URL or image string in base64
+
 ```php
-// Insert an image to the cell A1
+// Insert an image to the cell A1 from local path
 $sheet1->addImage('A1', 'path/to/file');
 
+// Insert an image to the cell A1 from URL
+$sheet1->addImage('A1', 'https://site.com/image.jpg');
+
+// Insert an image to the cell A1 from base64 string
+$sheet1->addImage('A1', 'data:image/jpeg;base64,/9j/4AAQ...');
+
 // Insert an image to the cell B2 and set with to 150 pixels (height will change proportionally)
 $sheet1->addImage('B2', 'path/to/file', ['width' => 150]);
 

docs/91-api-class-excel.md

@@ -771,7 +771,7 @@ public function loadImageFile(string $imageFile): ?array
 
 ### Parameters
 
-* `string $imageFile`
+* `string $imageFile` -- URL, local path or image string in base64
 
 ---
 

docs/92-api-class-sheet.md

@@ -7,7 +7,7 @@
 * [addCellStyle()](#addcellstyle)
 * [addChart()](#addchart) -- Add chart object to the specified range of cells
 * [addDataValidation()](#adddatavalidation) -- Add data validation object to the specified range of cells
-* [addImage()](#addimage) -- Add image to the sheet
+* [addImage()](#addimage) -- Add image to the sheet from local file, URL or image string in base64
 * [addNamedRange()](#addnamedrange) -- Define named range
 * [addNote()](#addnote) -- Add note to the sheet
 * [addStyle()](#addstyle) -- Alias for 'addCellStyle()'
@@ -278,13 +278,13 @@ _Add data validation object to the specified range of cells_
 public function addImage(string $cell, string $imageFile, 
                          ?array $imageStyle = []): Sheet
 ```
-_Add image to the sheet_
+_Add image to the sheet from local file, URL or image string in base64_
 
 ### Parameters
 
-* `string $cell`
-* `string $imageFile`
-* `array|null $imageStyle`
+* `string $cell` -- Cell address
+* `string $imageFile` -- URL, local path or image string in base64
+* `array|null $imageStyle` -- \['width' => ..., 'height' => ..., 'hyperlink' => ...]
 
 ---
 

src/FastExcelWriter/Excel.php

@@ -1581,14 +1581,20 @@ protected function getImageInfo(string $imageBlob): array
     }
 
     /**
-     * @param string $imageFile
+     * @param string $imageFile URL, local path or image string in base64
      *
      * @return array|null
      */
     public function loadImageFile(string $imageFile): ?array
     {
-        if (preg_match('#^https?://.+#i', $imageFile)) {
-            $imageBlob = false;
+        $imageBlob = false;
+        if (preg_match('/^data:image\/(\w+);base64,/', $imageFile, $matches)) {
+            // $imageType = $matches[1];
+            $base64Image = substr($imageFile, strpos($imageFile, ',') + 1);
+            $imageBlob = base64_decode($base64Image);
+
+        }
+        elseif (preg_match('#^https?://.+#i', $imageFile)) {
             $response = file_get_contents(
                 $imageFile,
                 false,

src/FastExcelWriter/Sheet.php

@@ -3439,15 +3439,15 @@ public function getNotes(): array
     // === IMAGES === //
 
     /**
-     * Add image to the sheet
+     * Add image to the sheet from local file, URL or image string in base64
      *
      * @example
      * $sheet->addImage('A1', 'path/to/file');
      * $sheet->addImage('A1', 'path/to/file', ['width => 100]);
      *
-     * @param string $cell
-     * @param string $imageFile
-     * @param array|null $imageStyle
+     * @param string $cell Cell address
+     * @param string $imageFile URL, local path or image string in base64
+     * @param array|null $imageStyle ['width' => ..., 'height' => ..., 'hyperlink' => ...]
      *
      * @return $this
      */

tests/FastExcelWriterTest.php

@@ -583,17 +583,22 @@ public function testExcelWriter5()
             unlink($testFileName);
         }
 
-        $excel = Excel::create(['Demo']);
+        $excel = Excel::create(['Demo1', 'Demo2']);
+        $excel->setDefaultFont([Style::FONT_NAME => 'Century']);
+
         $excel->setLocale('en');
         $sheet = $excel->sheet();
         $sheet->setTopLeftCell('c3');
 
-        $sheet->writeRow([1, 11, 111]);
+        $sheet->writeRow([1, 11, 111])->applyFontStyleBold();
         $sheet->writeRow([2, 22, 222]);
         $sheet->writeCell(3);
         $sheet->writeCell(33);
         $sheet->writeCell(333);
 
+        $sheet = $excel->sheet('Demo2');
+        $sheet->writeHeader(['AAA', 'BBB', 'CCC'])->applyFontStyleBold();
+
         $this->excelReader = $this->saveCheckRead($excel, $testFileName);
 
         $this->cells = $this->excelReader->readRows(false, null, true);
@@ -602,6 +607,9 @@ public function testExcelWriter5()
         $this->assertEquals([2, 22, 222], $this->getValues(['c4', 'd4', 'e4']));
         $this->assertEquals([3, 33, 333], $this->getValues(['c5', 'd5', 'e5']));
 
+        $cells = $this->excelReader->sheet('Demo2')->readCellsWithStyles();
+        $this->assertEquals('Century', $cells['A1']['s']['font']['font-name']);
+
         unlink($testFileName);
     }