Make sure every sample compiles under OpenCV 3.4.x

Author: vinjn

.gitignore

@@ -11,3 +11,8 @@
 *.lai
 *.la
 *.a
+
+bin/
+gmake/
+vs*/
+xcode*/

Chapter 01/main1.cpp

@@ -21,7 +21,7 @@
 int main() {
 
 	// read an image
-	cv::Mat image= cv::imread("img.jpg");	
+	cv::Mat image= cv::imread("../images/image.jpg");	
 	// create image window named "My Image"
 	cv::namedWindow("My Image");
 	// show the image on window

Chapter 01/main2.cpp

@@ -36,10 +36,10 @@ int main() {
 	std::cout << "size: " << image.size().height << " , " 
           << image.size().width << std::endl;
 	// open image
-	image=  cv::imread("img.jpg");
+	image=  cv::imread("../images/image.jpg");
 	// check if image has been successfully read
 	if (!image.data) { 
-		// no image has been created…
+		// no image has been created?
 		return 0;
 	}
 	// print image size

Chapter 02/addImages.cpp

@@ -26,8 +26,8 @@ int main()
 	cv::Mat image1;
 	cv::Mat image2;
 
-	image1= cv::imread("boldt.jpg");
-	image2= cv::imread("rain.jpg");
+	image1= cv::imread("../images/boldt.jpg");
+	image2= cv::imread("../images/rain.jpg");
 	if (!image1.data)
 		return 0; 
 	if (!image2.data)
@@ -50,7 +50,7 @@ int main()
 	cv::namedWindow("result with operators");
 	cv::imshow("result with operators",result);
 
-	image2= cv::imread("rain.jpg",0);
+	image2= cv::imread("../images/rain.jpg",0);
 
 	// create vector of 3 images
 	std::vector<cv::Mat> planes;
@@ -65,8 +65,8 @@ int main()
 	cv::imshow("Result on blue channel",result);
 
 	// read images
-	cv::Mat image= cv::imread("boldt.jpg");
-	cv::Mat logo= cv::imread("logo.bmp");
+	cv::Mat image= cv::imread("../images/boldt.jpg");
+	cv::Mat logo= cv::imread("../images/logo.bmp");
 
 	// define image ROI
 	cv::Mat imageROI;
@@ -80,14 +80,14 @@ int main()
 	cv::imshow("with logo",image);
 
 	// read images
-	image= cv::imread("boldt.jpg");
-	logo= cv::imread("logo.bmp");
+	image= cv::imread("../images/boldt.jpg");
+	logo= cv::imread("../images/logo.bmp");
 
 	// define ROI
 	imageROI= image(cv::Rect(385,270,logo.cols,logo.rows));
 
 	// load the mask (must be gray-level)
-	cv::Mat mask= cv::imread("logo.bmp",0);
+	cv::Mat mask= cv::imread("../images/logo.bmp",0);
 
 	// copy to ROI with mask
 	logo.copyTo(imageROI,mask);
@@ -97,8 +97,8 @@ int main()
 	cv::imshow("with logo 2",image);
 
 	// read images
-	logo= cv::imread("logo.bmp",0);
-	image1= cv::imread("boldt.jpg");
+	logo= cv::imread("../images/logo.bmp",0);
+	image1= cv::imread("../images/boldt.jpg");
 
 	// split 3-channel image into 3 1-channel images
 	std::vector<cv::Mat> channels;