fixed gpu module compilation

modules/gpu/src/hough.cpp

@@ -1334,19 +1334,19 @@ Ptr<GeneralizedHough_GPU> cv::gpu::GeneralizedHough_GPU::create(int method)
 {
     switch (method)
     {
-    case GHT_POSITION:
+    case cv::GeneralizedHough::GHT_POSITION:
         CV_Assert( !GHT_Ballard_Pos_info_auto.name().empty() );
         return new GHT_Ballard_Pos();
 
-    case (GHT_POSITION | GHT_SCALE):
+    case (cv::GeneralizedHough::GHT_POSITION | cv::GeneralizedHough::GHT_SCALE):
         CV_Assert( !GHT_Ballard_PosScale_info_auto.name().empty() );
         return new GHT_Ballard_PosScale();
 
-    case (GHT_POSITION | GHT_ROTATION):
+    case (cv::GeneralizedHough::GHT_POSITION | cv::GeneralizedHough::GHT_ROTATION):
         CV_Assert( !GHT_Ballard_PosRotation_info_auto.name().empty() );
         return new GHT_Ballard_PosRotation();
 
-    case (GHT_POSITION | GHT_SCALE | GHT_ROTATION):
+    case (cv::GeneralizedHough::GHT_POSITION | cv::GeneralizedHough::GHT_SCALE | cv::GeneralizedHough::GHT_ROTATION):
         CV_Assert( !GHT_Guil_Full_info_auto.name().empty() );
         return new GHT_Guil_Full();
     }

modules/gpu/test/test_hough.cpp

@@ -214,7 +214,7 @@ GPU_TEST_P(GeneralizedHough, POSITION)
         templ.copyTo(imageROI);
     }
 
-    cv::Ptr<cv::gpu::GeneralizedHough_GPU> hough = cv::gpu::GeneralizedHough_GPU::create(cv::GHT_POSITION);
+    cv::Ptr<cv::gpu::GeneralizedHough_GPU> hough = cv::gpu::GeneralizedHough_GPU::create(cv::GeneralizedHough::GHT_POSITION);
     hough->set("votesThreshold", 200);
 
     hough->setTemplate(loadMat(templ, useRoi));

samples/gpu/cascadeclassifier_nvidia_api.cpp

@@ -27,7 +27,7 @@ int main( int, const char** )
 
 
 const Size2i preferredVideoFrameSize(640, 480);
-const string wndTitle = "NVIDIA Computer Vision :: Haar Classifiers Cascade";
+const cv::String wndTitle = "NVIDIA Computer Vision :: Haar Classifiers Cascade";
 
 
 static void matPrint(Mat &img, int lineOffsY, Scalar fontColor, const string &ss)
@@ -286,7 +286,7 @@ int main(int argc, const char** argv)
     do
     {
         Mat gray;
-        cvtColor((image.empty() ? frame : image), gray, CV_BGR2GRAY);
+        cvtColor((image.empty() ? frame : image), gray, cv::COLOR_BGR2GRAY);
 
         //
         // process
@@ -334,12 +334,12 @@ int main(int argc, const char** argv)
 
         avgTime = (Ncv32f)ncvEndQueryTimerMs(timer);
 
-        cvtColor(gray, frameDisp, CV_GRAY2BGR);
+        cvtColor(gray, frameDisp, cv::COLOR_GRAY2BGR);
         displayState(frameDisp, bHelpScreen, bUseGPU, bLargestObject, bFilterRects, 1000.0f / avgTime);
         imshow(wndTitle, frameDisp);
 
         //handle input
-        switch (cvWaitKey(3))
+        switch (cv::waitKey(3))
         {
         case ' ':
             bUseGPU = !bUseGPU;
@@ -372,7 +372,7 @@ int main(int argc, const char** argv)
         }
     } while (!bQuit);
 
-    cvDestroyWindow(wndTitle.c_str());
+    cv::destroyWindow(wndTitle);
 
     return 0;
 }

samples/gpu/driver_api_stereo_multi.cpp

@@ -124,12 +124,12 @@ int main(int argc, char** argv)
     {
         if (string(argv[i]) == "--left")
         {
-            left = imread(argv[++i], CV_LOAD_IMAGE_GRAYSCALE);
+            left = imread(argv[++i], cv::IMREAD_GRAYSCALE);
             CV_Assert(!left.empty());
         }
         else if (string(argv[i]) == "--right")
         {
-            right = imread(argv[++i], CV_LOAD_IMAGE_GRAYSCALE);
+            right = imread(argv[++i], cv::IMREAD_GRAYSCALE);
             CV_Assert(!right.empty());
         }
         else if (string(argv[i]) == "--help")

samples/gpu/opticalflow_nvidia_api.cpp

@@ -13,6 +13,7 @@
 #include <iomanip>
 #include "opencv2/gpu/gpu.hpp"
 #include "opencv2/highgui/highgui.hpp"
+#include "opencv2/highgui/highgui_c.h"
 
 #ifdef HAVE_CUDA
 #include "NPP_staging/NPP_staging.hpp"

samples/gpu/stereo_multi.cpp

@@ -93,12 +93,12 @@ int main(int argc, char** argv)
     {
         if (string(argv[i]) == "--left")
         {
-            left = imread(argv[++i], CV_LOAD_IMAGE_GRAYSCALE);
+            left = imread(argv[++i], cv::IMREAD_GRAYSCALE);
             CV_Assert(!left.empty());
         }
         else if (string(argv[i]) == "--right")
         {
-            right = imread(argv[++i], CV_LOAD_IMAGE_GRAYSCALE);
+            right = imread(argv[++i], cv::IMREAD_GRAYSCALE);
             CV_Assert(!right.empty());
         }
         else if (string(argv[i]) == "--help")