From 1050b5351e141d62e5b0224dd95f88a4870b4829 Mon Sep 17 00:00:00 2001
From: Ahmed Ashour <asashour@yahoo.com>
Date: Thu, 23 May 2019 08:49:01 +0200
Subject: [PATCH] java: add CvType.CV_16F

---
 .../core/misc/java/src/java/core+CvType.java  | 26 ++++++++++++++-----
 modules/core/misc/java/test/CvTypeTest.java   |  8 ++++++
 2 files changed, 28 insertions(+), 6 deletions(-)

diff --git a/modules/core/misc/java/src/java/core+CvType.java b/modules/core/misc/java/src/java/core+CvType.java
index 748c1cd75c..a03b794bb9 100644
--- a/modules/core/misc/java/src/java/core+CvType.java
+++ b/modules/core/misc/java/src/java/core+CvType.java
@@ -4,12 +4,20 @@ public final class CvType {
 
     // type depth constants
     public static final int
-            CV_8U = 0, CV_8S = 1,
-            CV_16U = 2, CV_16S = 3,
+            CV_8U = 0,
+            CV_8S = 1,
+            CV_16U = 2,
+            CV_16S = 3,
             CV_32S = 4,
             CV_32F = 5,
             CV_64F = 6,
-            CV_USRTYPE1 = 7;
+            CV_16F = 7;
+
+    /**
+     * @deprecated please use {@link #CV_16F}
+     */
+    @Deprecated
+    public static final int CV_USRTYPE1 = CV_16F;
 
     // predefined type constants
     public static final int
@@ -19,7 +27,8 @@ public final class CvType {
             CV_16SC1 = CV_16SC(1), CV_16SC2 = CV_16SC(2), CV_16SC3 = CV_16SC(3), CV_16SC4 = CV_16SC(4),
             CV_32SC1 = CV_32SC(1), CV_32SC2 = CV_32SC(2), CV_32SC3 = CV_32SC(3), CV_32SC4 = CV_32SC(4),
             CV_32FC1 = CV_32FC(1), CV_32FC2 = CV_32FC(2), CV_32FC3 = CV_32FC(3), CV_32FC4 = CV_32FC(4),
-            CV_64FC1 = CV_64FC(1), CV_64FC2 = CV_64FC(2), CV_64FC3 = CV_64FC(3), CV_64FC4 = CV_64FC(4);
+            CV_64FC1 = CV_64FC(1), CV_64FC2 = CV_64FC(2), CV_64FC3 = CV_64FC(3), CV_64FC4 = CV_64FC(4),
+            CV_16FC1 = CV_16FC(1), CV_16FC2 = CV_16FC(2), CV_16FC3 = CV_16FC(3), CV_16FC4 = CV_16FC(4);
 
     private static final int CV_CN_MAX = 512, CV_CN_SHIFT = 3, CV_DEPTH_MAX = (1 << CV_CN_SHIFT);
 
@@ -63,6 +72,10 @@ public final class CvType {
         return makeType(CV_64F, ch);
     }
 
+    public static final int CV_16FC(int ch) {
+        return makeType(CV_16F, ch);
+    }
+
     public static final int channels(int type) {
         return (type >> CV_CN_SHIFT) + 1;
     }
@@ -82,6 +95,7 @@ public final class CvType {
             return channels(type);
         case CV_16U:
         case CV_16S:
+        case CV_16F:
             return 2 * channels(type);
         case CV_32S:
         case CV_32F:
@@ -118,8 +132,8 @@ public final class CvType {
         case CV_64F:
             s = "CV_64F";
             break;
-        case CV_USRTYPE1:
-            s = "CV_USRTYPE1";
+        case CV_16F:
+            s = "CV_16F";
             break;
         default:
             throw new java.lang.UnsupportedOperationException(
diff --git a/modules/core/misc/java/test/CvTypeTest.java b/modules/core/misc/java/test/CvTypeTest.java
index 48dfe5a196..45ab4d4143 100644
--- a/modules/core/misc/java/test/CvTypeTest.java
+++ b/modules/core/misc/java/test/CvTypeTest.java
@@ -37,6 +37,13 @@ public class CvTypeTest extends OpenCVTestCase {
         assertEquals(CvType.CV_64FC4, CvType.CV_64FC(4));
     }
 
+    public void testCV_16FC() {
+        assertEquals(CvType.CV_16FC1, CvType.CV_16FC(1));
+        assertEquals(CvType.CV_16FC2, CvType.CV_16FC(2));
+        assertEquals(CvType.CV_16FC3, CvType.CV_16FC(3));
+        assertEquals(CvType.CV_16FC4, CvType.CV_16FC(4));
+    }
+
     public void testChannels() {
         assertEquals(1, CvType.channels(CvType.CV_64F));
     }
@@ -52,6 +59,7 @@ public class CvTypeTest extends OpenCVTestCase {
 
     public void testELEM_SIZE() {
         assertEquals(3 * 8, CvType.ELEM_SIZE(CvType.CV_64FC3));
+        assertEquals(3 * 2, CvType.ELEM_SIZE(CvType.CV_16FC3));
     }
 
     public void testTypeToString() {