imgproc: fix version issues

Author: oyyd

cc/modules/imgproc/imgprocBindings.h

@@ -47,12 +47,12 @@ namespace ImgprocBindings {
     bool useUserColor = 0;
 
     bool unwrapRequiredArgs(Nan::NAN_METHOD_ARGS_TYPE info) {
-#if CV_VERSION_MINOR < 4
+#if CV_VERSION_MINOR < 3
       return (Mat::Converter::arg(0, &src, info) ||
               IntConverter::optArg(1, &colormap, info));
 #endif
 
-#if CV_VERSION_MINOR >= 4
+#if CV_VERSION_MINOR >= 3
       if (info[1]->IsNumber()) {
         return (Mat::Converter::arg(0, &src, info) ||
                 IntConverter::optArg(1, &colormap, info));
@@ -66,12 +66,12 @@ namespace ImgprocBindings {
     }
 
     std::string executeCatchCvExceptionWorker() {
-#if CV_VERSION_MINOR < 4
+#if CV_VERSION_MINOR < 3
       cv::applyColorMap(src, dst, colormap);
       return "";
 #endif
 
-#if CV_VERSION_MINOR >= 4
+#if CV_VERSION_MINOR >= 3
       if (useUserColor) {
         cv::applyColorMap(src, dst, userColor);
       } else {

test/tests/modules/imgproc/colormapTests.js

@@ -42,20 +42,22 @@ module.exports = () => {
       });
     });
 
-    it('should process an image with a customized colormap', () => {
-      generateAPITests({
-        getDut: () => cv,
-        methodName: 'applyColorMap',
-        getRequiredArgs: () => ([
-          new cv.Mat([[0, 1, 100]], cv.CV_8UC1),
-          new cv.Mat(256, 1, cv.CV_8UC3),
-        ]),
-        hasAsync: true,
-        usesMacroInferno: false,
-        expectOutput: res => {
-          return expect(res).to.be.instanceOf(cv.Mat)
-        },
+    if (cv.version.minor >= 3) {
+      it('should process an image with a customized colormap', () => {
+        generateAPITests({
+          getDut: () => cv,
+          methodName: 'applyColorMap',
+          getRequiredArgs: () => ([
+            new cv.Mat([[0, 1, 100]], cv.CV_8UC1),
+            new cv.Mat(256, 1, cv.CV_8UC3),
+          ]),
+          hasAsync: true,
+          usesMacroInferno: false,
+          expectOutput: res => {
+            return expect(res).to.be.instanceOf(cv.Mat)
+          },
+        });
       });
-    });
+    }
   });
 };