{"id":6842,"date":"2015-03-01T13:54:25","date_gmt":"2015-03-01T18:54:25","guid":{"rendered":"httpss:\/\/www.powenko.com\/wordpress\/?p=6842"},"modified":"2015-03-02T11:40:29","modified_gmt":"2015-03-02T16:40:29","slug":"04-cvscalar-%e5%92%8c-cv_rgb-%e6%8c%87%e5%ae%9a%e9%a1%8f%e8%89%b2","status":"publish","type":"post","link":"https:\/\/www.powenko.com\/wordpress\/?p=6842","title":{"rendered":"04  cvScalar,CV_RGB \u984f\u8272"},"content":{"rendered":"<h1>\u76ee\u7684\uff1a<\/h1>\n<p>cvScalar \u548c \u00a0CV_RGB\u90fd\u662f\u6307\u5b9a\u984f\u8272<\/p>\n<h2>\u51fd\u6578\u4ecb\u7d39\uff1a<\/h2>\n<p>cvScalar \u984f\u8272\u6307\u5b9a\u662f BGR<\/p>\n<p>CV_RGB\u984f\u8272\u6307\u5b9a\u662f RGB<\/p>\n<h2>\u53c3\u6578\u503c\uff1a<\/h2>\n<pre>CvScalar s = cvScalar(double val0, double val1=0, double val2=0, double val3=0);<\/pre>\n<h2>\u4f7f\u7528\u7bc4\u4f8b\uff1a<\/h2>\n<p>sample11_cvScalar_\u984f\u8272BGR<\/p>\n<pre class=\"brush: php; title: ; notranslate\" title=\"\">\r\n#include &lt;opencv2\/core\/core.hpp&gt;\r\n#include &lt;opencv2\/highgui\/highgui.hpp&gt;\r\n#include &lt;opencv2\/opencv.hpp&gt;\r\n#include &lt;iostream&gt;\r\n#include &lt;string.h&gt;\r\n#include &lt;fstream&gt;\r\nusing namespace cv;\r\nint main(int argc,char **argv)\r\n{\r\n    int width,height;\r\n    if(argc&lt;=1)\r\n    {\r\n        std::cout&lt;&lt;&quot;Error:Please Load a picture!&quot;&lt;&lt;std::endl;\r\n        return 0;\r\n    }\r\n\r\n    IplImage *image;\r\n    \/\/\u5efa\u7acb\u8996\u7a97\r\n    namedWindow(&quot;image&quot;,CV_WINDOW_AUTOSIZE);\r\n\r\n    \/\/\u8b80\u53d6\u5716\u7247\r\n    image=cvLoadImage(argv&#x5B;1]);\r\n    width=image-&gt;width;\r\n    height=image-&gt;height;\r\n\r\n    \/\/ \u756b\u51fa\u6b63\u65b9\u5f62\u7684\u5916\u6846\r\n    cvRectangle(image,\r\n                cvPoint((width\/4),(height\/4)),\r\n                cvPoint((width\/4)*3,(height\/4)*3),\r\n                CV_RGB(255,0,0),3,CV_AA,1);\r\n\r\n    cvRectangle(image,\r\n                cvPoint((width\/4)*4,(height\/4)),\r\n                cvPoint((width\/4)*6,(height\/4)*3),\r\n                cvScalar(255,0,0),3,CV_AA,1);\r\n\r\n    cvShowImage(&quot;image&quot;,image);\r\n    waitKey(0);\r\n\r\n    cvDestroyAllWindows();\r\n    cvReleaseImage(&amp;image);\r\n    system(&quot;pause&quot;);\r\n    return 0;\r\n}\r\n\r\n<\/pre>\n<h2>\u7d50\u679c\uff1a<\/h2>\n<p><a href=\"httpss:\/\/www.powenko.com\/wordpress\/?attachment_id=6844\" rel=\"attachment wp-att-6844\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-6844\" src=\"httpss:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM.jpg\" alt=\"Screen Shot 2015-03-01 at 10.41.47 AM\" width=\"500\" height=\"398\" srcset=\"https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM.jpg 500w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM-300x239.jpg 300w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM-316x252.jpg 316w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM-120x96.jpg 120w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM-210x167.jpg 210w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM-496x395.jpg 496w, https:\/\/www.powenko.com\/wordpress\/wp-content\/uploads\/2015\/03\/Screen-Shot-2015-03-01-at-10.41.47-AM-140x111.jpg 140w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/a><\/p>\n<h2>\u88dc\u5145\u8cc7\u6599\uff1a<\/h2>\n<p>Black = cCvScalar::new_object(cvScalar(0x0,0x0,0x0))<br \/>\nSilver = cCvScalar::new_object(cvScalar(0x0c,0x0c,0x0c))<br \/>\nGray = cCvScalar::new_object(cvScalar(0x80,0x80,0x80))<br \/>\nWhite = cCvScalar::new_object(cvScalar(0xff,0xff,0xff))<br \/>\nMaroon = cCvScalar::new_object(cvScalar(0x0,0x0,0x80))<br \/>\nRed = cCvScalar::new_object(cvScalar(0x0,0x0,0xff))<br \/>\nPurple = cCvScalar::new_object(cvScalar(0x80,0x0,0x80))<br \/>\nFuchsia = cCvScalar::new_object(cvScalar(0xff,0x0,0xff))<br \/>\nGreen = cCvScalar::new_object(cvScalar(0x0,0x80,0x0))<br \/>\nLime = cCvScalar::new_object(cvScalar(0x0,0xff,0x0))<br \/>\nOlive = cCvScalar::new_object(cvScalar(0x0,0x80,0x80))<br \/>\nYellow = cCvScalar::new_object(cvScalar(0x0,0xff,0xff))<br \/>\nNavy = cCvScalar::new_object(cvScalar(0x80,0x0,0x0))<br \/>\nBlue = cCvScalar::new_object(cvScalar(0xff,0x0,0x0))<br \/>\nTeal = cCvScalar::new_object(cvScalar(0x80,0x80,0x0))<br \/>\nAqua = cCvScalar::new_object(cvScalar(0xff,0xff,0x0))<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u7684\uff1a cvScalar \u548c \u00a0CV_RGB\u90fd\u662f\u6307\u5b9a\u984f\u8272 \u51fd\u6578\u4ecb\u7d39\uff1a cvScalar \u984f\u8272\u6307\u5b9a\u662f BGR C [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6844,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[248],"tags":[],"class_list":["post-6842","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ch02-opencv-api"],"_links":{"self":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6842"}],"collection":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6842"}],"version-history":[{"count":2,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6842\/revisions"}],"predecessor-version":[{"id":6882,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/6842\/revisions\/6882"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=\/wp\/v2\/media\/6844"}],"wp:attachment":[{"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6842"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.powenko.com\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}