added single camera demo

.gitignore

@@ -1,5 +1,6 @@
 #Ignore everything by default.
 *.*
+*/CMakeFiles
 
 #Don't ignore the .gitignore (duh)
 !.gitignore
@@ -14,4 +15,4 @@
 
 #Do not ignore CMakeLists.txt and Makefiles for the samples
 !CMakeLists.txt
-!Makefile
+!Makefile

camera/.gitignore

@@ -0,0 +1,8 @@
+#Don't ignore the .gitignore (duh)
+!.gitignore
+
+#Ignore the makefile here since it's generated by CMake
+*Makefile*
+
+#Ignore executables
+singleCameraDemo

camera/CMakeLists.txt

@@ -0,0 +1,22 @@
+cmake_minimum_required (VERSION 2.8)
+
+project(cameraDemo)
+
+# required packages and directories (OpenCV + XIMEA API)
+find_package(OpenCV REQUIRED)
+find_library(LIBM3API_LIB NAMES libm3api.so)
+
+include_directories(${OpenCV_INCLUDE_DIRS})
+
+# problem with opencv + cuda on tegra, this setting required
+# must explicitly build with -D CUDA_USE_STATIC_CUDA_RUNTIME=OFF the first time
+message(STATUS "CUDA_USE_STATIC_CUDA_RUNTIME    " ${CUDA_USE_STATIC_CUDA_RUNTIME})
+
+# executables
+add_executable(singleCameraDemo
+               singleCameraDemo.cpp
+               xiApiPlusOcv.hpp
+               xiApiPlusOcv.cpp)
+
+# link libraries
+target_link_libraries(singleCameraDemo ${OpenCV_LIBS} ${LIBM3API_LIB})

camera/singleCameraDemo.cpp

@@ -0,0 +1,61 @@
+/**
+ * Program opens first camera, captures 100 images, displays them, and
+ * writes the images to jpg file in images/ directory.
+ *
+ * Based on the xiApiPlusOcvExample.cpp file from XIMEA.
+ **/
+#include <iostream>
+#include <sstream>
+#include "xiApiPlusOcv.hpp"
+#include "opencv2/highgui/highgui.hpp"
+
+int nImages = 100;
+
+int main(int argc, char* argv[])
+{
+    try
+    {
+        // set up camera
+        xiAPIplusCameraOcv cam;
+        cam.OpenFirst(); // open the camera
+        cam.SetExposureTime(10000); // exposure time 10 ms
+        cam.StartAcquisition(); // start aquiring images
+        XI_IMG_FORMAT format = cam.GetImageDataFormat(); // image format
+
+        cv::Mat cap;
+        for (int i = 0; i < nImages; i++)
+        {
+            cap = cam.GetNextImageOcvMat(); // capture image
+
+            // normalize image if needed (depending on format)
+            if (format == XI_RAW16 || format == XI_MONO16)
+            {
+                cv::normalize(cap, cap, 0, 65536, cv::NORM_MINMAX,
+                        -1, cv::Mat());
+            }
+
+            // display
+            cv::imshow("image", cap);
+            cv::waitKey(20);
+
+            // write jpeg
+            std::ostringstream name;
+            name << "images/";
+            if (i < 10) name << "0";
+            name << i << ".jpg";
+            std::cout << "Writing image " << name.str() << std::endl;
+            cv::imwrite(name.str(), cap);
+        }
+
+        // shut down the camera
+        cam.StopAcquisition();
+        cam.Close();
+    } 
+    catch(xiAPIplus_Exception& exp)
+    {
+        std::cerr << "Error:" << std::endl;
+        exp.PrintError();
+        cv::waitKey(2000);
+    }
+    return 0;
+}