增加qrcode等依赖 #2028

miaoxing · Nov 20, 2016 · ae7d93d · ae7d93d
1 parent abc520c
commit ae7d93d
Showing 1 changed file with 58 additions and 1 deletion.
diff --git a/src/Controller/Qrcode.php b/src/Controller/Qrcode.php
@@ -40,7 +40,7 @@ public function showAction($req)
         $enc = \QRencode::factory($level, $size, 0);
         $tab = $enc->encode($text);
         $maxSize = (int)(QR_PNG_MAXIMUM_SIZE / (count($tab)));
-        $image = \QRimage::image($tab, min($size, $maxSize), 0);
+        $image = $this->image($tab, min($size, $maxSize), 0);
 
         // TODO 支持远程图片
         // 将LOGO放置到图片中间
@@ -102,4 +102,61 @@ public function showAction($req)
 
         return $content;
     }
+
+    /**
+     * @see QRimage::image
+     *
+     * @param $frame
+     * @param int $pixelPerPoint
+     * @param int $outerFrame
+     * @param int $back_color
+     * @param int $fore_color
+     * @return resource
+     */
+    protected function image(
+        $frame,
+        $pixelPerPoint = 4,
+        $outerFrame = 4,
+        $back_color = 0xFFFFFF,
+        $fore_color = 0x000000
+    ) {
+        $h = count($frame);
+        $w = strlen($frame[0]);
+
+        $imgW = $w + 2 * $outerFrame;
+        $imgH = $h + 2 * $outerFrame;
+
+        $base_image = ImageCreate($imgW, $imgH);
+
+        // convert a hexadecimal color code into decimal format (red = 255 0 0, green = 0 255 0, blue = 0 0 255)
+        $r1 = round((($fore_color & 0xFF0000) >> 16), 5);
+        $g1 = round((($fore_color & 0x00FF00) >> 8), 5);
+        $b1 = round(($fore_color & 0x0000FF), 5);
+
+        // convert a hexadecimal color code into decimal format (red = 255 0 0, green = 0 255 0, blue = 0 0 255)
+        $r2 = round((($back_color & 0xFF0000) >> 16), 5);
+        $g2 = round((($back_color & 0x00FF00) >> 8), 5);
+        $b2 = round(($back_color & 0x0000FF), 5);
+
+
+        $col[0] = ImageColorAllocate($base_image, $r2, $g2, $b2);
+        $col[1] = ImageColorAllocate($base_image, $r1, $g1, $b1);
+
+        imagefill($base_image, 0, 0, $col[0]);
+
+        for ($y = 0; $y < $h; $y++) {
+            for ($x = 0; $x < $w; $x++) {
+                if ($frame[$y][$x] == '1') {
+                    ImageSetPixel($base_image, $x + $outerFrame, $y + $outerFrame, $col[1]);
+                }
+            }
+        }
+
+        $target_image = ImageCreate($imgW * $pixelPerPoint, $imgH * $pixelPerPoint);
+        ImageCopyResized($target_image, $base_image, 0, 0, 0, 0, $imgW * $pixelPerPoint, $imgH * $pixelPerPoint, $imgW,
+            $imgH);
+        ImageDestroy($base_image);
+
+        return $target_image;
+    }
 }