更新图像放大预览组件

lib/widgets/insta_image_viewer/lib/src/insta_image_viewer.dart

@@ -59,7 +59,10 @@ class InstaImageViewer extends StatelessWidget {
                     return FullScreenViewer(
                       tag: tag,
                       child: isVertical
-                          ? Transform.rotate(angle: 90 * pi / 180, child: child)
+                          ? Transform.scale(
+                              scale: 1.5,
+                              child: Transform.rotate(
+                                  angle: 0.5 * pi, child: child))
                           : child,
                       backgroundColor: backgroundColor,
                       backgroundIsTransparent: backgroundIsTransparent,