"atomic bomb" commit. Reorganized OpenCV directory structure

2010-05-11 17:44:00 +00:00
commit 127d6649a1
1761 changed files with 1766340 additions and 0 deletions
--- a/samples/c/morphology.c
+++ b/samples/c/morphology.c
@@ -0,0 +1,110 @@
+#define CV_NO_BACKWARD_COMPATIBILITY
+
+#include <cv.h>
+#include <highgui.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+IplImage* src = 0;
+IplImage* dst = 0;
+
+IplConvKernel* element = 0;
+int element_shape = CV_SHAPE_RECT;
+
+//the address of variable which receives trackbar position update
+int max_iters = 10;
+int open_close_pos = 0;
+int erode_dilate_pos = 0;
+
+// callback function for open/close trackbar
+void OpenClose(int pos)
+{
+    int n = open_close_pos - max_iters;
+    int an = n > 0 ? n : -n;
+    element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+    if( n < 0 )
+    {
+        cvErode(src,dst,element,1);
+        cvDilate(dst,dst,element,1);
+    }
+    else
+    {
+        cvDilate(src,dst,element,1);
+        cvErode(dst,dst,element,1);
+    }
+    cvReleaseStructuringElement(&element);
+    cvShowImage("Open/Close",dst);
+}
+
+// callback function for erode/dilate trackbar
+void ErodeDilate(int pos)
+{
+    int n = erode_dilate_pos - max_iters;
+    int an = n > 0 ? n : -n;
+    element = cvCreateStructuringElementEx( an*2+1, an*2+1, an, an, element_shape, 0 );
+    if( n < 0 )
+    {
+        cvErode(src,dst,element,1);
+    }
+    else
+    {
+        cvDilate(src,dst,element,1);
+    }
+    cvReleaseStructuringElement(&element);
+    cvShowImage("Erode/Dilate",dst);
+}
+
+
+int main( int argc, char** argv )
+{
+    char* filename = argc == 2 ? argv[1] : (char*)"baboon.jpg";
+    if( (src = cvLoadImage(filename,1)) == 0 )
+        return -1;
+
+    printf( "Hot keys: \n"
+        "\tESC - quit the program\n"
+        "\tr - use rectangle structuring element\n"
+        "\te - use elliptic structuring element\n"
+        "\tc - use cross-shaped structuring element\n"
+        "\tSPACE - loop through all the options\n" );
+
+    dst = cvCloneImage(src);
+
+    //create windows for output images
+    cvNamedWindow("Open/Close",1);
+    cvNamedWindow("Erode/Dilate",1);
+
+    open_close_pos = erode_dilate_pos = max_iters;
+    cvCreateTrackbar("iterations", "Open/Close",&open_close_pos,max_iters*2+1,OpenClose);
+    cvCreateTrackbar("iterations", "Erode/Dilate",&erode_dilate_pos,max_iters*2+1,ErodeDilate);
+
+    for(;;)
+    {
+        int c;
+
+        OpenClose(open_close_pos);
+        ErodeDilate(erode_dilate_pos);
+        c = cvWaitKey(0);
+
+        if( (char)c == 27 )
+            break;
+        if( (char)c == 'e' )
+            element_shape = CV_SHAPE_ELLIPSE;
+        else if( (char)c == 'r' )
+            element_shape = CV_SHAPE_RECT;
+        else if( (char)c == 'c' )
+            element_shape = CV_SHAPE_CROSS;
+        else if( (char)c == ' ' )
+            element_shape = (element_shape + 1) % 3;
+    }
+
+    //release images
+    cvReleaseImage(&src);
+    cvReleaseImage(&dst);
+
+    //destroy windows
+    cvDestroyWindow("Open/Close");
+    cvDestroyWindow("Erode/Dilate");
+
+    return 0;
+}