{"id":4462,"date":"2016-03-16T03:27:59","date_gmt":"2016-03-15T18:27:59","guid":{"rendered":"http:\/\/mirror.boy.jp\/?p=2410"},"modified":"2016-03-16T03:27:59","modified_gmt":"2016-03-15T18:27:59","slug":"ofimage%e7%94%bb%e5%83%8f%e3%82%92ofpath%e6%8f%8f%e7%94%bb%e3%81%a7%e3%83%9e%e3%82%b9%e3%82%af%e3%81%99%e3%82%8b-openframeworks","status":"publish","type":"post","link":"https:\/\/inage.ksd6700.net\/?p=4462","title":{"rendered":"ofImage\u753b\u50cf\u3092ofPath\u63cf\u753b\u3067\u30de\u30b9\u30af\u3059\u308b #openFrameworks"},"content":{"rendered":"<h1>ofImage\u3078\u306e\u30de\u30b9\u30af\u51e6\u7406<\/h1>\n<p><a href=\"http:\/\/mirror.boy.jp\/wp-content\/uploads\/2016\/03\/alpha.png\" rel=\"attachment wp-att-2411\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-2411\" src=\"http:\/\/mirror.boy.jp\/wp-content\/uploads\/2016\/03\/alpha-1024x768.png\" alt=\"alpha\" width=\"1024\" height=\"768\" srcset=\"http:\/\/mirror.boy.jp\/wp-content\/uploads\/2016\/03\/alpha.png 1024w, http:\/\/mirror.boy.jp\/wp-content\/uploads\/2016\/03\/alpha-400x300.png 400w, http:\/\/mirror.boy.jp\/wp-content\/uploads\/2016\/03\/alpha-768x576.png 768w, http:\/\/mirror.boy.jp\/wp-content\/uploads\/2016\/03\/alpha-304x228.png 304w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/p>\n<p>0.9.0~ \u3067\u304d\u308b\u3088\u3046\u306b\u306a\u3063\u305f\u3068\u3044\u3046ofImage\u3078\u306e\u30de\u30b9\u30af\u51e6\u7406 setAlphaMask \uff08\u53c2\u8003\uff1a<a href=\"http:\/\/openframeworks.cc\/ja\/learning\/02_graphics\/how_to_maskanimagewithashape\/\">\u753b\u50cf\u3092\u5f62\u3092\u6307\u5b9a\u3057\u3066\u30de\u30b9\u30af\u3059\u308b<\/a>\uff09\u3092\u8a66\u3057\u3066\u307f\u307e\u3057\u305f\u3002<\/p>\n<h1>\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9<\/h1>\n<pre class=\"\">\r\n<pre class=\"brush: cpp; title: ; notranslate\">\r\n\r\nofPath path;\r\nofImage img;\r\nofFbo fbo;\r\n\r\nvoid ofApp::setup(){\r\n\r\nofHideCursor();\r\n\r\n\/\/set path\r\nfor(auto i = 0 ; i &lt; 100 ; i++){\r\nofSetColor(255);\r\nconst auto pos = ofPoint(ofRandom(float(ofGetWidth())),float(ofRandom(ofGetHeight())));\r\npath.lineTo(pos);\r\n}\r\n\r\n\/\/set fbo\r\nfbo.allocate(ofGetWidth(),ofGetHeight(),GL_RGBA \/*GL_LUMINANCE*\/);\r\nfbo.begin();\r\npath.draw();\r\nfbo.end();\r\n\r\n\/\/set img\r\n\/\/data\u30d5\u30a9\u30eb\u30c0\u306b\u597d\u304d\u306a\u753b\u50cf\u3092\u5165\u308c\u3066\u304f\u3060\u3055\u3044\u3002\r\nif(!img.load(&quot;mirrorboy.jpg&quot;)){\r\nofLog() &lt;&lt; &quot;image is not loaded.&quot; ;\r\n};\r\n\r\nimg.setAnchorPercent(0.5,0.5);\r\nimg.getTexture().setAlphaMask(fbo.getTexture());\r\n}\r\n\r\nvoid ofApp::draw(){\r\n\r\n ofBackgroundGradient(ofColor::yellow,ofColor::gray);\r\n\r\n ofSetColor(255);\r\n img.draw(ofGetWidth()\/2,ofGetHeight()\/2);\r\n\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>ofImage&#12408;&#12398;&#12510;&#12473;&#12463;&#20966;&#29702; 0.9.0~ &#12391;&#12365;&#12427;&#12424;&#12358;&#12395;&#12394;&#12387;&#12383;&#12392;&#12356;&#12358;o &#8230;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=\/wp\/v2\/posts\/4462"}],"collection":[{"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4462"}],"version-history":[{"count":1,"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=\/wp\/v2\/posts\/4462\/revisions"}],"predecessor-version":[{"id":4505,"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=\/wp\/v2\/posts\/4462\/revisions\/4505"}],"wp:attachment":[{"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4462"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/inage.ksd6700.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}