From 34b8dc315380c13a55c00e623cc8d9c8a844a248 Mon Sep 17 00:00:00 2001
From: seyedalireza <sarhosseini99@gmail.com>
Date: Sat, 15 May 2021 23:11:33 +0430
Subject: [PATCH] Feature: add flip function #105

---
 .../simplecropview/CropImageView.java         | 22 +++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/simplecropview/src/main/java/com/isseiaoki/simplecropview/CropImageView.java b/simplecropview/src/main/java/com/isseiaoki/simplecropview/CropImageView.java
index b515aa7..233c15d 100644
--- a/simplecropview/src/main/java/com/isseiaoki/simplecropview/CropImageView.java
+++ b/simplecropview/src/main/java/com/isseiaoki/simplecropview/CropImageView.java
@@ -1398,6 +1398,24 @@ private void resetImageInfo() {
     mAngle = mExifRotation;
   }
 
+  /**
+   * Flip Image.
+   * @param flipMode type of flip operation.
+   */
+  public void flipImage(FlipMode flipMode) {
+    switch (flipMode) {
+      case HORIZONTAL:
+        mMatrix.postScale(-1, 1);
+        break;
+      case VERTICAL:
+        mMatrix.postScale(1, -1);
+        break;
+      default:
+        throw new IllegalStateException("Unexpected value: " + flipMode);
+    }
+    updateLayout();
+  }
+
   /**
    * Load image from Uri.
    * This method is deprecated. Use loadAsync(Uri, LoadCallback) instead.
@@ -2356,6 +2374,10 @@ public int getId() {
     }
   }
 
+  public enum FlipMode {
+    HORIZONTAL, VERTICAL
+  }
+
   public enum ShowMode {
     SHOW_ALWAYS(1), SHOW_ON_TOUCH(2), NOT_SHOW(3);
     private final int ID;