{"id":3463,"date":"2018-01-03T14:11:17","date_gmt":"2018-01-03T06:11:17","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=3463"},"modified":"2018-10-14T21:29:22","modified_gmt":"2018-10-14T13:29:22","slug":"opengl_set_window_size","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/opengl_set_window_size\/","title":{"rendered":"OpenGL\u4e4b\u91cd\u8a2d\u7a97\u53e3\u5927\u5c0f"},"content":{"rendered":"<figure id=\"attachment_3464\" aria-describedby=\"caption-attachment-3464\" style=\"width: 1024px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/01\/OpenGL_SET_WINDOW_SIZE.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-3464\" src=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/01\/OpenGL_SET_WINDOW_SIZE.jpg\" alt=\"\" width=\"1024\" height=\"768\" srcset=\"https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/01\/OpenGL_SET_WINDOW_SIZE.jpg 1024w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/01\/OpenGL_SET_WINDOW_SIZE-300x225.jpg 300w, https:\/\/www.bookcard.net\/wordpress\/wp-content\/uploads\/2018\/01\/OpenGL_SET_WINDOW_SIZE-768x576.jpg 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><figcaption id=\"caption-attachment-3464\" class=\"wp-caption-text\">OpenGL\u4e4b\u91cd\u8a2d\u7a97\u53e3\u5927\u5c0f<\/figcaption><\/figure>\n<p>\u7576OpenGL\u7a97\u53e3\u7684\u5927\u5c0f\u767c\u751f\u6539\u8b8a\u6642,OpenGL\u7a97\u53e3\u6703\u8b8a\u5f62\u9700\u8981\u91cd\u65b0\u8a2d\u5b9a\u4ee5\u9069\u61c9\u65b0\u7684\u7a97\u53e3\u5927\u5c0f.<\/p>\n<ol>\n<li>\u6536\u5230WM_SIZE\u6d88\u606f\u5f8c\u7372\u53d6\u7a97\u53e3\u5927\u5c0f,\u9ad8\u5ea6\u70baHIWORD(lParam),\u5bec\u5ea6\u70baLOWORD(lparam)<\/li>\n<li>\u91cd\u7f6e\u8996\u5340\u5c3a\u5bf8glViewport(0,0,width,height);<\/li>\n<li>\u8a2d\u5b9a\u6295\u5f71\u77e9\u9663glMatrixMode(GL_PROJECTION);<\/li>\n<li>\u8f09\u5165\u55ae\u4f4d\u77e9\u9663glLoadIdentity();<\/li>\n<li>\u8a08\u7b97\u7a97\u53e3\u5c3a\u5bf8\u6bd4\u4f8bgluPerspective();<\/li>\n<li>\u8a2d\u5b9a\u6a21\u578b\u8996\u5716\u77e9\u9663glMatrixMode(GL_MODELVIEW);<\/li>\n<li>\u8f09\u5165\u55ae\u4f4d\u77e9\u9663glLoadIdentity();<\/li>\n<\/ol>\n<p>\u7d66\u51fa\u91cd\u8a2d\u7a97\u53e3\u5927\u5c0f\u5b8c\u6574\u4ee3\u78bc<\/p>\n<p>void Set_WindowSize_OpenGL(int width,int height)<\/p>\n<p>{<\/p>\n<p>if(height == 0)<\/p>\n<p>height = 1;\/\/ \u786e\u4fdd\u5206\u6bcd\u4e0d\u4e3a0<\/p>\n<p>\/\/ \u91cd\u7f6e\u89c6\u533a\u5c3a\u5bf8<\/p>\n<p>::glViewport(0,0,width,height);<\/p>\n<p>\/\/ \u8bbe\u5b9a\u6295\u5f71\u77e9\u9635<\/p>\n<p>::glMatrixMode(GL_PROJECTION);<\/p>\n<p>\/\/ \u8f7d\u5165\u5355\u4f4d\u77e9\u9635<\/p>\n<p>::glLoadIdentity();<\/p>\n<p>\/\/ \u8ba1\u7b97\u7a97\u53e3\u5c3a\u5bf8\u6bd4\u4f8b<\/p>\n<p>gluPerspective(45.0f,(GLfloat)width\/(GLfloat)height,1.0f,1000.0f);<\/p>\n<p>\/\/ \u8bbe\u5b9a\u6a21\u578b\u89c6\u56fe\u77e9\u9635<\/p>\n<p>::glMatrixMode(GL_MODELVIEW);<\/p>\n<p>\/\/ \u8f7d\u5165\u5355\u4f4d\u77e9\u9635<\/p>\n<p>::glLoadIdentity();<\/p>\n<p>}<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7576OpenGL\u7a97\u53e3\u7684\u5927\u5c0f\u767c\u751f\u6539\u8b8a\u6642,OpenGL\u7a97\u53e3\u6703\u8b8a\u5f62\u9700\u8981\u91cd\u65b0\u8a2d\u5b9a\u4ee5\u9069\u61c9\u65b0\u7684\u7a97\u53e3\u5927\u5c0f. \u6536\u5230WM_SIZE &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.bookcard.net\/wordpress\/opengl_set_window_size\/\" class=\"more-link\">\u7e7c\u7e8c\u95b1\u8b80 <span class=\"screen-reader-text\">OpenGL\u4e4b\u91cd\u8a2d\u7a97\u53e3\u5927\u5c0f<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[62],"tags":[50],"class_list":["post-3463","post","type-post","status-publish","format-standard","hentry","category-opengl","tag-opengl","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3463","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=3463"}],"version-history":[{"count":1,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3463\/revisions"}],"predecessor-version":[{"id":3465,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3463\/revisions\/3465"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=3463"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=3463"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=3463"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}