{"id":4051,"date":"2016-07-31T16:21:18","date_gmt":"2016-07-31T08:21:18","guid":{"rendered":"http:\/\/blog.qdac.cc\/?p=4051"},"modified":"2016-07-31T16:25:51","modified_gmt":"2016-07-31T08:25:51","slug":"%e7%a8%8b%e5%ba%8f%e5%91%98%e8%a7%92%e5%ba%a6%e6%9c%89%e5%85%b3-setwindowportorg%ef%bc%8csetviewportorg%ef%bc%8csetwindowextex-%ef%bc%8csetviewportexex","status":"publish","type":"post","link":"https:\/\/blog.qdac.cc\/?p=4051","title":{"rendered":"\u7a0b\u5e8f\u5458\u89d2\u5ea6\u6709\u5173 SetWindowPortOrg\uff0cSetViewportOrg\uff0cSetWindowExtEx \uff0cSetViewportExEX."},"content":{"rendered":"

\u4e0a\u5f88\u591a\u5e9f\u8bdd\uff1a\u4ec0\u4e48\u662f\u903b\u8f91\u8bbe\u5907..\u89c6\u89d2…\u4e16\u754c… \u6bcf\u4e2a\u4eba\u90fd\u6709\u81ea\u5df1\u7684\u89e3\u91ca.\u7f51\u4e0a\u5f88\u591a\u4eba\u8bf4,VIEW\u662f\u7269\u7406\u7684.WINDOW\u662f\u903b\u8f91..\u4f46\u662f\u4e5f\u6709\u4eba\u8bf4\u7684\u76f8\u53cd..\u7b80\u5355\u70b9\uff0c\u5df2\u7ecf\u88ab\u5404\u79cd\u6982\u5ff5\u8bcd\u8bed\u585e\u6ee1\u4e86<\/p>\n

1\uff0c \u9002\u7528\u8303\u56f4\uff1a<\/strong> Setmapmode \u5728MM_ISOTROPIC \u6216 MM_ANISOTROPIC,\u624d\u53ef\u4ee5\u7528\u8fd9\u51e0\u4e2a\u51fd\u6570\uff0c\u5426\u5219\u4e0d\u7075\u4e86\u3002<\/p>\n

2,\u516c\u5f0f\u5982\u4e0b:<\/strong><\/p>\n

Xviewport=\uff08Xwindow-Xwinorg\uff09* Xviewext \/ Xwinext + Xvieworg\uff1b<\/p>\n

Yviewport=\uff08Ywindow-Xwinorg\uff09* Yviewext \/ Ywinext + Yvieworg\uff1b<\/p>\n

\u516c\u5f0f\u89e3\u91ca\uff1a<\/p>\n

\u4e24\u4e2a\u5750\u6807\u7cfb\uff1aWINDOW\u548cVIEW<\/p>\n

WINODWORG\u539f\u70b9(X,Y).\u7528SetWindowPortOrg\u51fd\u6570\u8bbe\u7f6e\uff1b\u5750\u6807\u8303\u56f4\uff0cXwinext\uff0cYwinext \u7528SetWindowExt\u51fd\u6570\u8bbe\u7f6e\u3002<\/p>\n

VIEWORG\u539f\u70b9\uff08X,Y); SetViewportOrg\u8bbe\u7f6e\u5750\u6807\u8303\u56f4 Xviewext\uff0cYviewext<\/p>\n

 <\/p>\n

\u89e3\u91ca\u7528\u6cd5\uff1a\u53ea\u8981\u8bb0\u4f4f\uff1a<\/p>\n

WINDOW\u5750\u6807\u7cfb\u662f\u4f60\u7a0b\u5e8f\u4e0a\u7528\u7684\uff1a \u6bd4\u5982 CANVAS.moveto(x,y) ,lineto(x,y)<\/p>\n

\u663e\u793a\u7ed3\u679cVIEW\u5750\u6807\u7cfb\u662f\u7ed3\u679c\uff0c \u3002\u5b9e\u9645\u663e\u793a\u5728\u5c4f\u5e55\u90a3\u4e2a\u70b9\uff1f\u5982\u4f55\u6362\u7b97\uff0c\u9760\u516c\u5f0f\u3002<\/p>\n

\u4f8b\u5982\uff1a \u5047\u5982\u4f60\u7684\u7ad6\u7684\u6eda\u52a8\u6761\u8981\u6eda\u5230100\uff0c\u663e\u793a100\u4ee5\u540e\u7684\u4e1c\u4e1c\u3002\u5f88\u7b80\u5355\u3002\u3002SetViewportOrg\uff080\uff0c100\uff09\u3002 \u4e3a\u4ec0\u4e48\u4e0d\u7528SetwindowsPort? \uff08\u7f51\u4e0a\u770b\u5f88\u591a\u6587\u7ae0\u6709\u63d0\u5230\u7528\u8fd9\u4e2a,\u4f46\u662f \u7528\u8fd9\u4e2a\u662f\u6709\u6761\u4ef6\u7684\uff09\uff0c\u6ce8\u610f\u516c\u5f0f\uff0c\u5047\u5982\u7528\u4e86SetwindowsPort?\u7ed3\u679c\u4f1a\u53d7\u5230Xviewext \/ Xwinext \u548cYviewext \/ Ywinext\u7684\u5f71\u54cd\u3002\u5047\u5982\u6ca1\u6709\u653e\u5927\u7f29\u5c0f\u3002\u3002\u4f60\u61c2\u7684\uff0c\u4e00\u5207\u90fd\u662f\u516c\u5f0f\u4e3a\u51c6\u3002\u6240\u6709\u89e3\u91ca\u90fd\u5047\u7684\u3002<\/p>\n

 <\/p>\n

Xviewext \/ Xwinext \u548cYviewext \/ Ywinext \u662f\u4ec0\u4e48\uff1f\u5176\u5b9e\u5c31\u662f\u7f16\u7a0b\u4e2d\u7684\u653e\u5927\u7f29\u5c0f\u3002\u5c31\u662f\u7a0b\u5e8f\u91cc\u5c3a\u5bf8\u7f29\u653e\u6bd4\u4f8b\u3002\u6bd4\u5982\uff1a<\/p>\n

Setwindowexex(100,100)<\/p>\n

Setviewportexex(200,200)<\/p>\n

\u4ed6\u5c31\u653e\u5927\u4e24\u500d\u3002 2\u500d\u600e\u4e48\u7b97\uff1f 200\/100=2.<\/p>\n

3\uff0c\u5750\u6807\u8303\u56f4\u662f\u771f\u7684\u4e48\uff1f<\/strong><\/p>\n

\u5750\u6807\u8303\u56f4\u5176\u5b9e\u8ddf\u6709\u7528\u4e48\uff1f\u5176\u5b9e\u8fd9\u4e2a\u4e0d\u662f\u771f\u5b9e\u7684\u5750\u6807\u8303\u56f4\u3002 \u4ed6\u53ea\u662f\u4e3a\u4e86\u53d6\u5f97Xviewext \/ Xwinext\uff0cYviewext \/ Ywinext\u3002\u5df2\u53d6\u5f97\u7f29\u653e\u6bd4\u7387\u3002<\/p>\n

\u5728\u4efb\u4f55\u533a\u57df\uff0c\u00a0setwindowexex(1,1), \u00a0setviewportexex(2,2) \uff0c\u7167\u6837\u653e\u59272\u500d\u54e6\u3002\u3002<\/p>\n

 <\/p>\n

 <\/p>\n

 <\/p>\n

\u7b80\u5355\u5c31\u662f\u7f8e\u3002\u3002<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

\u4e0a\u5f88\u591a\u5e9f\u8bdd\uff1a\u4ec0\u4e48\u662f\u903b\u8f91\u8bbe\u5907..\u89c6\u89d2&#8 […]<\/p>\n","protected":false},"author":113,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[],"class_list":["post-4051","post","type-post","status-publish","format-standard","hentry","category-delphi"],"views":4780,"_links":{"self":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/users\/113"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4051"}],"version-history":[{"count":2,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4051\/revisions"}],"predecessor-version":[{"id":4053,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=\/wp\/v2\/posts\/4051\/revisions\/4053"}],"wp:attachment":[{"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.qdac.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}