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authorTim Redfern <tim@herge.(none)>2013-08-08 13:32:46 +0100
committerTim Redfern <tim@herge.(none)>2013-08-08 13:32:46 +0100
commita2254447b138af7fc0719e5a107816487255736b (patch)
treefc72463364bd158b5a042ac821766f466efdfcb0 /opencv/hello-opencv.cpp
parent1f8aca919df6ab2d2636cddaa30de1e388b4c09d (diff)
basic speed control for video_loader
Diffstat (limited to 'opencv/hello-opencv.cpp')
-rw-r--r--opencv/hello-opencv.cpp68
1 files changed, 0 insertions, 68 deletions
diff --git a/opencv/hello-opencv.cpp b/opencv/hello-opencv.cpp
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--- a/opencv/hello-opencv.cpp
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-////////////////////////////////////////////////////////////////////////
-//
-// hello-world.cpp
-//
-// This is a simple, introductory OpenCV program. The program reads an
-// image from a file, inverts it, and displays the result.
-//
-////////////////////////////////////////////////////////////////////////
-
-//plan:
-//incorporate opencv images into the Rotor::image class
-//initially:: update to support existing operations
-//should all functionality that accesses image pixels be a part of the image class?
-
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <math.h>
-#include <highgui.h>
-
-#include "cvimage.h"
-
-
-int main(int argc, char *argv[])
-{
- IplImage* img = 0;
- int height,width,step,channels;
- uchar *data;
- int i,j,k;
-
- if(argc<2){
- printf("Usage: main <image-file-name>\n\7");
- exit(0);
- }
-
- // load an image
- img=cvLoadImage(argv[1]);
- if(!img){
- printf("Could not load image file: %s\n",argv[1]);
- exit(0);
- }
-
- // get the image data
- height = img->height;
- width = img->width;
- step = img->widthStep;
- channels = img->nChannels;
- data = (uchar *)img->imageData;
- printf("Processing a %dx%d image with %d channels\n",height,width,channels);
-
- // create a window
- cvNamedWindow("mainWin", CV_WINDOW_AUTOSIZE);
- cvMoveWindow("mainWin", 100, 100);
-
- // invert the image
- for(i=0;i<height;i++) for(j=0;j<width;j++) for(k=0;k<channels;k++)
- data[i*step+j*channels+k]=255-data[i*step+j*channels+k];
-
- // show the image
- cvShowImage("mainWin", img );
-
- // wait for a key
- cvWaitKey(0);
-
- // release the image
- cvReleaseImage(&img );
- return 0;
-}