锘??xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>&#32508;&#21512;&#20037;&#20037;&#22269;&#20135;&#20061;&#19968;&#21095;&#24773;&#40635;&#35910;&#44;&#27431;&#32654;&#26085;&#38889;&#31934;&#21697;&#20037;&#20037;&#20037;&#20037;&#44;&#20122;&#27954;&#22269;&#20135;&#21478;&#31867;&#20037;&#20037;&#20037;&#31934;&#21697;</title><link>http://www.shnenglu.com/Error/category/19900.html</link><description /><language>zh-cn</language><lastBuildDate>Sun, 24 Feb 2013 00:35:19 GMT</lastBuildDate><pubDate>Sun, 24 Feb 2013 00:35:19 GMT</pubDate><ttl>60</ttl><item><title>AGG 鍏抽敭姒傚康鏁ｈ</title><link>http://www.shnenglu.com/Error/archive/2013/02/20/197953.html</link><dc:creator>Enic</dc:creator><author>Enic</author><pubDate>Wed, 20 Feb 2013 06:56:00 GMT</pubDate><guid>http://www.shnenglu.com/Error/archive/2013/02/20/197953.html</guid><wfw:comment>http://www.shnenglu.com/Error/comments/197953.html</wfw:comment><comments>http://www.shnenglu.com/Error/archive/2013/02/20/197953.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/Error/comments/commentRss/197953.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/Error/services/trackbacks/197953.html</trackback:ping><description><![CDATA[<div>娓叉煋 娓叉煋緙撳瓨 娣峰悎 鍍忕礌鏍煎紡娣峰悎 鍩虹娓叉煋鍣?欏剁偣婧?璺緞瀛樺偍鍣?/div><div></div><div>娓叉煋鍣細娓叉煋鍣ㄨ礋璐ｈ〃鐜?#8220;鎵弿綰?#8221;涓殑姣忎釜綰挎銆傚湪娓叉煋鍣ㄤ箣鍓岮GG鍥懼艦涓殑綰挎</div><div>鏄病鏈夐鑹插�肩殑錛屽彧鏄綅緗�侀暱搴︺�佸拰閫忔槑搴︺�傛覆鏌撳櫒璧嬩簣綰挎鑹插僵錛屾渶緇堟垚涓轟竴鍓?/div><div>瀹屾暣鐨勫浘鍍忋�?/div><div>鏈�甯哥敤鐨勫涓嬶細鍍忕礌鏍煎紡娓叉煋鍣?PixelFormatRenderer銆佸熀紜�娓叉煋鍣?BaseRender銆佹壂鎻忕嚎錛堟姉閿嬌錛塖canlineRenderer娓叉煋鍣?nbsp;</div><div>鍍忕礌鏍煎紡娓叉煋鍣ㄥ彲浠ョ洿鎺ュ伐浣?/div><div>鍩虹娓叉煋鍣ㄩ渶瑕佸儚绱犳牸寮忎綔涓烘ā鐗堟敮鎸?/div><div>鎵弿娓叉煋鍣ㄩ渶瑕佸熀紜�娓叉煋鍣ㄤ綔涓烘ā鐗堟敮鎸?/div><div></div><div>娓叉煋緙撳瓨錛氭覆鏌撶紦瀛樹繚瀛樼潃涓�涓釜鍍忕礌錛屼綔涓篈GG鐨勭敾甯冦�傚畠浠呬粎鏄竴涓唴瀛樺潡錛岀敤鏉ュ瓨鍌ㄥ儚绱狅紝</div><div>涓嶆彁渚涗換浣曠粯鍥懼姛鑳斤紝鍙厑璁鎬綘璇誨彇鍜屼慨鏀歸噷杈圭殑鏁版嵁銆傚畠涔熶笉鍛婅瘔浣犻噷杈圭殑鍍忕礌綾誨瀷---瀹冨彧綆＄悊鍐呭瓨</div><div>娣峰悎鍣細娣峰悎鍣ㄦ槸鐢ㄦ潵澶勭悊涓嶅悓鍍忕礌鏍煎紡鐨勫錛歛gg::rgba &nbsp;agg::argb錛圥S錛氫篃璁稿彨鍍忕礌鐐規販鍚堝櫒姣旇緝鍚堥�傦級</div><div>鍍忕礌鏍煎紡娣峰悎鍣細濡俛gg::pixfmt_rgb24銆傦紙鍍忕礌鍧楁販鍚堝櫒錛燂級鍍忕礌鏍煎紡娣峰悎鍣ㄧ殑浣滅敤鏄洿鎺ユ搷浣滃儚绱狅紝涔熷氨鏄?/div><div>鍦ㄧ紦瀛橀噷杈逛繚鎸佺殑鏁版嵁銆傚儚绱犳牸寮忔湁涓や釜灞炴�у喅瀹氾細娣峰悎鍣ㄧ被鍨嬶紙RGBA32錛夊拰欏哄簭錛圤RDER_ARGB錛?/div><div></div><div>鍩虹娓叉煋鍣細鍩虹娓叉煋鍣ㄦ槸鎵弿綰挎覆鏌撳櫒鐨勫熀紜�銆傚熀紜�娓叉煋鍣ㄩ渶瑕佹墜鍔ㄤ互妯＄増鐨勫艦寮忕郴緇熷儚绱犳牸寮忎俊鎭紝</div><div>浠栦細閫氳繃鍍忕礌鏍煎紡娣峰悎鍣ㄦ潵娓叉煋銆傦紙瀹為檯閫氳繃妯＄増浼犲叆鐨勫ソ鍍忔槸鍍忕礌鏍煎紡娣峰悎鍣級浠栫殑鍔熻兘姣斿儚绱犳牸寮忔販鍚堝櫒鏉ョ殑</div><div>瑕佹洿鍏ㄩ潰涓�鐐癸紝鏈夋洿澶氱殑娓叉煋鎺ュ彛銆?/div><div></div><div>欏剁偣婧愶細欏剁偣婧愭槸涓�涓猚oncept錛屾湁rewind()鍜寁ertex()鍑芥暟銆?br /><br />********************<br />鍙傝�冩暀紼?br /><div>http://www.360doc.com/content/12/0722/09/992979_225748412.shtml</div><br /></div><img src ="http://www.shnenglu.com/Error/aggbug/197953.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/Error/" target="_blank">Enic</a> 2013-02-20 14:56 <a href="http://www.shnenglu.com/Error/archive/2013/02/20/197953.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>enic鐨刟gg瀛︿範絎旇1錛氬畼鏂規枃妗?/title><link>http://www.shnenglu.com/Error/archive/2012/09/10/190123.html</link><dc:creator>Enic</dc:creator><author>Enic</author><pubDate>Mon, 10 Sep 2012 08:36:00 GMT</pubDate><guid>http://www.shnenglu.com/Error/archive/2012/09/10/190123.html</guid><wfw:comment>http://www.shnenglu.com/Error/comments/190123.html</wfw:comment><comments>http://www.shnenglu.com/Error/archive/2012/09/10/190123.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/Error/comments/commentRss/190123.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/Error/services/trackbacks/190123.html</trackback:ping><description><![CDATA[<div><p>浼犺榪欏氨鏄疉GG錛?/p> <p><a href="file:///C:/Documents%20and%20Settings/cail/Local%20Settings/Temp/WindowsLiveWriter-429641856/supfiles1B53F082/agg6.jpg"><img style="border-right-width: 0px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px" title="agg" border="0" alt="agg" src="file:///C:/Documents%20and%20Settings/cail/Local%20Settings/Temp/WindowsLiveWriter-429641856/supfiles1B53F082/agg_thumb4.jpg" width="284" height="388" /></a> </p> <p>瑕佺悊瑙ｈ繖寮犲浘涓婄殑鍑犱釜姒傚康錛?/p> <p>*vertex source: 欏剁偣婧愩�備竴鍒囩殑鍥懼儚鐨勪笘鐣屾槸鐢辯偣鏋勬垚鐨勩�?/p> <p>*cordinate conversion pipeline: 鍧愭爣杞崲綆￠亾銆備笉鐢ㄨ嚜宸卞幓鎷呭績鍚勭鍧愭爣緋伙紵</p> <p>*scanline rasterizer: 鍏夋爡鍖栵紝鎶婇《鐐規暟鎹鐞嗗悎鎴愪竴緇勭粍綰挎錛岃繖閲屽彲鑳戒細鏈変竴浜沠ix鎴栬�卐ffect銆?/p> <p>*renderers: 娓叉煋鍣?/p> <p>*rendering buffer: 鐢ㄤ簬瀛樻斁鍍忕礌鐐圭殑鍐呭瓨</p> <p align="justify">鎴戠殑鐞嗚В鏄繖鏍鳳細鍥懼儚鏄互鐐歸泦鐨勬柟寮忓瓨鍦ㄧ殑錛岃鐢誨浘鍏堟槸鍐蹭竴緇勭偣闆嗗紑濮嬶紝鍏堟妸榪欎竴緇勭偣鐨勫潗鏍囪漿鎹㈡垚鐩爣鍧愭爣錛岀劧鍚庨�氳繃鍏夋爡鍖栧艦鎴愪竴緇勭嚎孌碉紝鐒跺悗閫氳繃娓叉煋鍣ㄦ妸榪欎竴緇勭嚎孌墊覆鏌撳埌buffer涓婇潰褰㈡垚闈€�傜偣-&gt;綰挎-&gt;闈?/p> <p>*****************************************************************************************************</p> <p><strong>涓�銆乿ertex source</strong></p> <p>&nbsp;</p> <p>鎴戠悊瑙ｅ畠鏄竴涓猚oncept錛屽畼鏂硅В閲婃槸榪欎釜錛?/p> <p>&nbsp;&nbsp;&nbsp; 鎵�鏈夊疄鐜頒簡void rewind(unsigned path_id);鍜寀nsigned vertex(double* x, double*  y);鐨勭被銆?/p> <p>agg鎻愪緵鐨剉ertex source concept濡備笅錛堝彲浠ヨ嚜宸辨墿灞曪級錛?/p> <p>ellipse 鍦?/p> <p>arc 寮х嚎</p> <p>curve3 curve4 璐濆灝旀洸綰?/p> <p>gsv_text AGG鑷甫瀛楁ā鐨勬枃瀛楄緭鍑猴紙鍙敮鎸丄SCII鐮侊級</p> <p>gsv_text_outline&lt;&gt;&nbsp; 鍙彉鎹㈡枃瀛楋紝杈撳叆涓篻sv_text鍜屽彉鎹㈢煩闃?/p> <p>rounded_rect&nbsp; 鍦嗚鏂瑰艦</p> <p>path_storage 璺緞瀛樺偍鍣紝鍙互鐢╦oin_path鏂規硶鍔犲叆澶氫釜欏剁偣婧愩�?/p> <p>arrowhead&nbsp; 綆ご</p> <p>&nbsp;</p> <p><strong>浜屻�乧oordinate conversion pipeline</strong></p> <p>&nbsp;&nbsp;&nbsp; 鍧愭爣杞崲綆￠亾鐢ㄤ簬鏀瑰彉欏剁偣婧愪駭鐢熺殑欏剁偣錛屽寘鎷潗鏍囥�佸懡浠ゃ�佷駭鐢熸柊欏剁偣絳夈�傚瀵歸《鐐硅繘琛岀煩闃靛彉鎹€�佹彃鍏ラ《鐐瑰艦鎴愯櫄綰夸箣綾葷殑鍔熻兘銆?/p> <p>1.鍙樺寲鐭╅樀 trans_affine</p> <p>澶存枃浠訛細#include &lt;agg_trans_affine.h&gt;</p> <p>鎺ュ彛錛歴cale 緙╂斁銆乺otate鏃嬭漿銆乼ranslate騫崇Щ銆佺煩闃?涔樻硶銆乮nvert鍙栧弽鐭╅樀</p> <p>2.鍧愭爣杞崲綆￠亾</p> <p>template&lt;class VertexSource, class Markers = null_markers&gt; struct  conv_stroke;</p> <p>鍙樻垚榪炵畫綰?鏋勯�犲弬鏁頒負VertexSource width灞炴�у喅瀹氱嚎瀹姐�?/p> <p>template&lt;class VertexSource, class Markers = null_markers&gt; struct  conv_dash;</p> <p>铏氱嚎</p> <p>template&lt;class MarkerLocator, class MarkerShapes&gt; class  conv_marker;</p> <p>寤虹珛鏍囪</p> <p>template&lt;class VertexSource&gt; struct conv_contour;</p> <p>杞粨鍙樻崲</p> <p>template&lt;class VertexSource&gt; struct conv_smooth_poly1_curve;</p> <p>鍦嗘粦榪囨浮澶氳竟褰㈠悇欏剁偣</p> <p>template&lt;class VertexSource&gt; struct conv_bspline;</p> <p>鍦嗘粦榪囨浮澶氫箟綰垮悇欏剁偣</p> <p>template&lt;class VertexSource, class Curve3 = curve3, class Curve4 =  curve4&gt; class conv_curve;</p> <p>鍙瘑鍒玍ertexSource涓殑鏇茬嚎淇℃伅</p> <p>template&lt;class VertexSource, class Transformer = trans_affine&gt; class  conv_transform;</p> <p>鐭╅樀鍙樻崲 鐢ㄥ彉鎹㈢煩闃甸噸鏂拌綆楅《鐐逛綅緗?/p> <p>&nbsp;</p> <p><strong>涓夈�乻canline rasterizer</strong></p> <p>1.scanline</p> <p>鎵弿綰挎槸涓�縐嶄繚瀛榮pan鐨勫鍣紝span鐢ㄤ簬琛ㄧず涓�灝忔潯錛堟按騫蟲柟鍚戯級緇嗙嚎銆傚浘鍍忎腑鍚屼竴琛岀殑span緇勬垚涓�涓猄canline</p> <p>2.rasterizer</p> <p>Rasterizer灝辨槸鎶婄浉褰撲簬鐭㈤噺鏁版嵁鐨勪竴鍫嗛《鐐瑰拰鍛戒護杞崲鎴愪竴琛岃鐨勬壂鎻忕嚎鐨勮澶囷紝瀹冨氨璞＄矇鍒峰伐浜哄鐓х潃鍥劇焊鎶婂僵婕嗗埛鍒板涓婁竴鏍?/p> <p>&nbsp;</p> <p><strong>鍥涖�乺enderers</strong></p> <p>&nbsp;&nbsp;&nbsp;  娓叉煋鍣ㄨ礋璐ｈ〃鐜版壂鎻忕嚎Scanline涓殑姣忎釜綰挎錛坰pan錛夈�傚湪娓叉煋鍣ㄤ箣鍓嶏紝AGG鍥懼艦涓殑綰挎鏄病鏈夐鑹插�肩殑錛屽彧鏄綅緗�侀暱搴﹀拰瑕嗙洊鐜囷紙閫忔槑搴︼級銆傛覆鏌撳櫒璧嬩簬綰挎鑹插僵錛屾渶緇堟垚涓轟竴騫呭畬鏁寸殑鍥懼儚銆? </p> <p>&nbsp;&nbsp;&nbsp; 娓叉煋鍣ㄨ鍒嗘垚搴曚腑楂樹笁灞傘�傚叾涓簳灞傝礋璐ｅ儚绱犲寘瑁咃紝鐢盤ixelFormat Renderer瀹炵幇錛涗腑灞傛槸鍩虹灞傦紝鍦≒ixelFormat  Renderer鐨勫熀紜�涓婃彁渚涙洿澶氭柟娉曪紝鏄墍鏈夐珮灞傛覆鏌撳櫒渚濊禆鐨勫熀紜�錛岀敱Base Renderer瀹炵幇錛涢珮灞傝礋璐ｆ覆鏌揝canline涓殑綰挎錛岀敱Scanline  Renderer絳夊疄鐜般�?/p> <p>&nbsp;</p> <p><strong>浜斻�乺endering buffer</strong></p> <p>Rendering  Buffer鏄竴涓唴瀛樺潡錛岀敤浜庝繚瀛樺浘鍍忔暟鎹�傝繖鏄疉GG涓庢樉紺哄櫒涔嬮棿鐨勬ˉ姊侊紝鎴戜滑瑕佹樉紺篈GG鍥懼艦瀹為檯涓婂氨鏄瘑鍒繖涓唴瀛樺潡騫朵嬌鐢ㄧ郴緇熺殑API鏄劇ず鍑烘潵  鑰屽凡錛堝疄闄呬笂鍑犱箮涓嶉渶瑕佸仛杞崲宸ヤ綔錛屽洜涓烘棤璁烘槸Windows榪樻槸Linux錛孉PI鎵�鐢ㄧ殑鍥懼儚瀛樺偍鏍煎紡涓嶳endering Buffer閮芥槸鍏煎鐨勶級銆?/p> <p>&nbsp;</p> <p>宸笉澶氫簡錛屽叾浠栫殑涓滀笢鐜板湪鐪嬪浜嗙櫧鎼紝淇轟滑瑕佸湪鎴樻枟涓浼氭垬鏂楋紝錛岋紝</p></div><img src ="http://www.shnenglu.com/Error/aggbug/190123.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/Error/" target="_blank">Enic</a> 2012-09-10 16:36 <a href="http://www.shnenglu.com/Error/archive/2012/09/10/190123.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item></channel></rss>                                          <footer>
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