?? windows gdi和gdi+編程實例剖析_4.htm

?? GDI編程的參考資料
?? HTM
?? 第 1 頁 / 共 3 頁
字號:
12 3 下一頁
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3c.org/TR/1999/REC-html401-19991224/loose.dtd">
<!-- saved from url=(0046)http://tech.bc0436.com/dev/255/2190255_3.shtml -->
<HTML lang=zh-CN xmlns="http://www.w3.org/1999/xhtml"><HEAD><TITLE>Windows GDI和GDI+編程實例剖析</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META http-equiv=Content-Language content=zh-CN>
<META content=all name=robots>
<META content="index, follow" name=googlebot>
<META content="MSHTML 6.00.2900.2180" name=GENERATOR>
<META content="天極Yesky | 全球中文IT第一門戶" name=author>
<META content="天極Yesky | 全球中文IT第一門戶" name=Copyright>
<META content=硬件,軟件,數碼,游戲,e時代,下載,社區,評測,筆記本; name=keywords><LINK media=all 
href="Windows GDI和GDI+編程實例剖析_4.files/yesky-content-cs.css" type=text/css 
rel=stylesheet></HEAD>
<BODY>
<SCRIPT language=JavaScript>
function sendemail(){ 
OpenWindow = window.open('http://other.chinabyte.com/chinabyte/qin/sendemail-new.shtm?url=/dev/255/2190255.shtml&title=Windows GDI和GDI+編程實例剖析&channel=324','emailwin','toolbar=no,location=no,scrollbars=no,menubar=no,width=462,height=450')
}</SCRIPT>

<DIV class=width>
<DIV class=minwidth>
<DIV class=container><!--頭部-->
<DIV class=hidden>yesky內容</DIV>
<SCRIPT language=JavaScript src="" type=text/JavaScript></SCRIPT>
<SPAN id=ad1 style="DISPLAY: none"></SPAN>
<DIV align=center>
<SCRIPT>document.write(navigator.userAgent.indexOf('MSIE')==-1?"<SCRIPT src='http://219.239.88.50:80/adsunion/get/;pl=pl-1-survey2005-column-051118;tp=js;sk=0;ck=0;/?'><\/SCRIPT>":"<IFRAME MARGINHEIGHT=0 MARGINWIDTH=0 FRAMEBORDER=0 BORDER=0 VSPACE=0 WIDTH=760 NORESIZE HEIGHT=90 SCROLLING=NO SRC='http://219.239.88.50:80/adsunion/get/;pl=pl-1-survey2005-column-051118;tp=if;sk=0;ck=0;/?'></IFRAME>");</SCRIPT>
</DIV>
<DIV class=clear1></DIV>
<DIV class=newbox><SPAN id=ad8></SPAN></DIV><!--導航條-->
<DIV class=newbox>
<DIV class=newbgpic>
<DIV class=left>您現在的位置： <A href="http://tech.bc0436.com/">Yesky</A>&gt;<A 
href="http://tech.bc0436.com/soft"> 軟件</A>&gt;<A 
href="http://tech.bc0436.com/dev"> 開發者網絡</A> </DIV>
<DIV class=right>
<DIV class=space1><SPAN id=ad3></SPAN></DIV></DIV></DIV></DIV>
<DIV class=clear1></DIV><!--結束-->
<DIV class=clear1></DIV><!--文章內容區-->
<DIV class=newbox>
<DIV class=newleft>
<DIV class=newleft1>
<DIV class=newsmallbox>Windows GDI和GDI+編程實例剖析 </DIV>
<DIV class=clear1></DIV>
<DIV class=newsmall1box>
<DIV class=newtitle1>作者： 宋寶華 </DIV>
<DIV class=newtitle2>出處： 天極網 </DIV>
<DIV class=newtitle3>責任編輯： <A title=向本編輯提問 
href="http://comments.yesky.com/t/·&frac12;&Ouml;&Ucirc;/6,324/2190255.shtml">方舟 </A></DIV>
<DIV class=newtitle4>[ 2005-11-11 08:18 ]</DIV></DIV>
<DIV class=clear1></DIV>
<STYLE type=text/css>A.zhy0815button_content {
	BORDER-RIGHT: black 1px solid; PADDING-RIGHT: 8px; BORDER-TOP: white 1px solid; PADDING-LEFT: 8px; FONT-SIZE: 12px; PADDING-BOTTOM: 4px; BORDER-LEFT: white 1px solid; COLOR: #000000; LINE-HEIGHT: 300%; PADDING-TOP: 4px; BORDER-BOTTOM: black 1px solid; FONT-FAMILY: "宋體"; TEXT-ALIGN: center; min-width: 75px
}
A.zhy0815button_content:link {
	COLOR: #000; LINE-HEIGHT: 300%; BACKGROUND-COLOR: #d9d9d9; TEXT-DECORATION: none
}
A.zhy0815button_content:visited {
	COLOR: #000000; LINE-HEIGHT: 300%; BACKGROUND-COLOR: #d9d9d9; TEXT-DECORATION: none
}
A.zhy0815button_content:hover {
	BORDER-LEFT-COLOR: black; BORDER-BOTTOM-COLOR: white; COLOR: #333333; BORDER-TOP-COLOR: black; LINE-HEIGHT: 300%; BACKGROUND-COLOR: #cccccc; TEXT-DECORATION: none; BORDER-RIGHT-COLOR: white
}
A.zhy0815button_content:active {
	COLOR: #000000; LINE-HEIGHT: 300%; BACKGROUND-COLOR: #d9d9d9; TEXT-DECORATION: none
}
</STYLE>

<CENTER><A class=zhy0815button_content title=編輯推薦你閱讀 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#1" target=_self>推薦閱讀</A> <A 
class=zhy0815button_content title=本欄目的最新更新 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#2" target=_self>最新更新</A> <A 
class=zhy0815button_content title=閱讀此文章的讀者還看了以下文章 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#3" target=_self>繼續閱讀</A> <A 
class=zhy0815button_content title=相關主題的關鍵字 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#4" target=_self>相關主題</A> <A 
class=zhy0815button_content title=本文編輯方舟的其他文章 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#5" target=_self>編輯新作</A> <A 
class=zhy0815button_content title=本欄目最近最受歡迎的文章 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#6" target=_self>閱讀排行</A> <A 
class=zhy0815button_content id=comment_url_tag title=讀者、編輯互動討論區 
href="http://comments.yesky.com/t/GDI/6,324/2190255.shtml">討論本文</A><A 
class=zhy0815button_content id=comment_url_art title=讀者、編輯互動討論區 
href="http://comments.yesky.com/a/6,324/2190255.shtml">討論本文</A> <A 
class=zhy0815button_content title=本文相關產品和廠商 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#8" target=_self>相關產品</A> 
</CENTER>
<DIV class=space2><SPAN id=ad5></SPAN></DIV><BR>
<DIV class=newmiddlebox style="OVERFLOW: hidden">
<DIV class=guanggao><SPAN id=ad4></SPAN></DIV>
<DIV class=guanggao><SPAN 
id=contentAdv></SPAN></DIV>　　<STRONG>持久的路徑對象<BR></STRONG><BR>　　在GDI中，路徑隸屬于一個設備上下文，一旦設備環境指針超過它的生存期，路徑也會被刪除。利用GDI+，可以創建并維護與Graphics對象分開的GraphicsPath 
對象，它不依賴于Graphics對象的生存期。<BR><BR>　　變形和矩陣對象<BR><BR>　　GDI+提供了Matrix對象，它是一種可以使變形(旋轉、平移、縮放等) 
簡易靈活的強大工具，Matrix對象需與要被變形的對象聯合使用。對于GraphicsPath類，我們可以使用其成員函數Transform接收Matrix參數用于變形。<BR><BR>
<TABLE borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
  <TBODY>
  <TR>
    <TD>void CGdiexampleDlg::OnTransformationMatrix()<BR>{<BR>　// TODO: Add 
      your command handler code here<BR>　CClientDC 
      dc(this);<BR>　//創建Graphics對象<BR>　Graphics graphics(dc);<BR>　GraphicsPath 
      path;<BR>　path.AddRectangle(Rect(250, 20, 70, 
      70));<BR>　graphics.DrawPath(&amp;Pen(Color::Black, 1), &amp;path); // 
      在應用變形矩陣之前繪制矩形<BR>　// 路徑變形<BR>　Matrix matrix1, 
      matrix2;<BR><BR>　matrix1.Rotate(45.0f); 
      //旋轉順時針45度<BR>　path.Transform(&amp;matrix1); 
      //應用變形<BR>　graphics.DrawPath(&amp;Pen(Color::Red, 3), 
      &amp;path);<BR><BR>　matrix2.Scale(1.0f, 0.5f); 
      //轉化成為平行四邊形法則<BR>　path.Transform(&amp;matrix2); 
      //應用變形<BR>　graphics.DrawPath(&amp;Pen(Color::Blue, 3), &amp;path);<BR>} 
  </TD></TR></TBODY></TABLE><BR>　　圖5演示了正方形經過旋轉和拉伸之后的效果：黑色的為原始圖形，紅色的為旋轉45度之后的圖形，藍色的為經過拉伸為平行四邊形后的圖形。 
<BR><BR>
<TABLE width="90%" align=center border=0>
  <TBODY>
  <TR>
    <TD>
      <DIV align=center><IMG 
      src="Windows GDI和GDI+編程實例剖析_4.files/2hs325j8mu2t.jpg" border=0><BR>圖5 
      GDI+變形和矩陣對象</DIV></TD></TR></TBODY></TABLE><BR>　　<STRONG>可伸縮區域<BR></STRONG><BR>　　GDI+通過對區域(Region)的支持極大地擴展了GDI。在GDI 
中，區域存儲在設備坐標中，可應用于區域的唯一變形是平移。但是在GDI 
+中，區域存儲在全局坐標(世界坐標)中，可對區域利用變形矩陣進行變形(旋轉、平移、縮放等)。<BR><BR>
<TABLE borderColor=#cccccc width="90%" align=center bgColor=#e3e3e3 border=1>
  <TBODY>
  <TR>
    <TD>void CGdiexampleDlg::OnScalableRegion()<BR>{<BR>　// TODO: Add your 
      command handler code here<BR>　CClientDC 
      dc(this);<BR>　//創建Graphics對象<BR>　Graphics 
      graphics(dc);<BR>　//創建GraphicsPath<BR>　GraphicsPath 
      path;<BR>　path.AddLine(100, 100, 150, 150);<BR>　path.AddLine(50, 150, 150, 
      150);<BR>　path.AddLine(50, 150, 100, 100);<BR>　//創建Region<BR>　Region 
      region(&amp;path);<BR>　//填充區域 
      <BR>　graphics.FillRegion(&amp;SolidBrush(Color::Blue), 
      &amp;region);<BR>　//區域變形<BR>　Matrix matrix;<BR>　matrix.Rotate(10.0f); 
      //旋轉順時針20度<BR>　matrix.Scale(1.0f, 0.3f); 
      //拉伸<BR>　region.Transform(&amp;matrix); //應用變形<BR>　//填充變形后的區域 
      <BR>　graphics.FillRegion(&amp;SolidBrush(Color::Green), 
    &amp;region);<BR>}</TD></TR></TBODY></TABLE><BR>　　上述程序中以藍色填充一個三角形區域，接著將此區域旋轉和拉伸，再次顯示，其效果如圖6。<BR><BR>
<TABLE width="90%" align=center border=0>
  <TBODY>
  <TR>
    <TD>
      <DIV align=center><IMG 
      src="Windows GDI和GDI+編程實例剖析_4.files/w01389f036vf.jpg" border=0><BR>圖6 
      GDI+區域變形</DIV></TD></TR></TBODY></TABLE><BR>
<DIV class=right>共8頁。 <A class=page 
href="http://tech.bc0436.com/dev/255/2190255.shtml" target=_self><FONT 
face=Webdings>9</FONT></A> <A class=page 
href="http://tech.bc0436.com/dev/255/2190255_2.shtml" target=_self><FONT 
face=Webdings>7</FONT></A> <A class=page 
href="http://tech.bc0436.com/dev/255/2190255.shtml" target=_self><B>1</B></A> <A 
class=page href="http://tech.bc0436.com/dev/255/2190255_1.shtml" 
target=_self><B>2</B></A> <A class=page 
href="http://tech.bc0436.com/dev/255/2190255_2.shtml" target=_self><B>3</B></A> 
<A class=page href="http://tech.bc0436.com/dev/255/2190255_3.shtml" 
target=_self><FONT color=#666666><B>4</B></FONT></A> <A class=page 
href="http://tech.bc0436.com/dev/255/2190255_4.shtml" target=_self><B>5</B></A> 
<A class=page href="http://tech.bc0436.com/dev/255/2190255_5.shtml" 
target=_self><B>6</B></A> <A class=page 
href="http://tech.bc0436.com/dev/255/2190255_6.shtml" target=_self><B>7</B></A> 
<A class=page href="http://tech.bc0436.com/dev/255/2190255_7.shtml" 
target=_self><B>8</B></A> <A class=page 
href="http://tech.bc0436.com/dev/255/2190255_4.shtml" target=_self><FONT 
face=Webdings>8</FONT></A> <A class=page 
href="http://tech.bc0436.com/dev/255/2190255_7.shtml" target=_self><FONT 
face=Webdings>:</FONT></A></DIV></DIV>
<CENTER><A class=zhy0815button_content title=編輯推薦你閱讀 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#1" target=_self>推薦閱讀</A> <A 
class=zhy0815button_content title=本欄目的最新更新 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#2" target=_self>最新更新</A> <A 
class=zhy0815button_content title=閱讀此文章的讀者還看了以下文章 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#3" target=_self>繼續閱讀</A> <A 
class=zhy0815button_content title=相關主題的關鍵字 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#4" target=_self>相關主題</A> <A 
class=zhy0815button_content title=本文編輯方舟的其他文章 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#5" target=_self>編輯新作</A> <A 
class=zhy0815button_content title=本欄目最近最受歡迎的文章 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#6" target=_self>閱讀排行</A> <A 
class=zhy0815button_content id=comment_url_tag title=讀者、編輯互動討論區 
href="http://comments.yesky.com/t/GDI/6,324/2190255.shtml">討論本文</A><A 
class=zhy0815button_content id=comment_url_art title=讀者、編輯互動討論區 
href="http://comments.yesky.com/a/6,324/2190255.shtml">討論本文</A> <A 
class=zhy0815button_content title=本文相關產品和廠商 
href="http://tech.bc0436.com/dev/255/2190255_3.shtml#8" target=_self>相關產品</A> 
</CENTER><!-- Error -->
<DIV class=clear1></DIV></DIV><!--結束-->
<DIV class=clear1></DIV>
<DIV class=space2><SPAN id=ad7></SPAN></DIV><!--文章評論區-->
<SCRIPT language=JavaScript>
<!--
var aid = 2190255;
var channelid = 324;
var tagname = "GDI";


//-->
</SCRIPT>

<SCRIPT language=JavaScript>
<!--
if(typeof(tagname) == "string" && tagname.length > 0) {
comment_url_art[0].style.display = "none";
comment_url_art[1].style.display = "none";
comment_url_tag[0].style.display = "";
comment_url_tag[1].style.display = "";
} else {
comment_url_art[0].style.display = "";
comment_url_art[1].style.display = "";
comment_url_tag[0].style.display = "none";
comment_url_tag[1].style.display = "none";
}
//-->
</SCRIPT>
<!--結束-->
<DIV class=clear1></DIV>
<DIV class=newxiangguan>
<DIV class=newxiangguanmenu><IMG height=11 
src="Windows GDI和GDI+編程實例剖析_4.files/inverse1-dht.gif" width=22><A 
name=1>推薦閱讀：相關文章</A> </DIV>
<DIV class=newxiangguancontent>
<LI><A 
href="http://tech.bc0436.com/387/1937387.shtml">VC++.NET的GDI+入門之位圖和圖標</A>(2005-04-19 
16:18) 
<LI><A 
href="http://tech.bc0436.com/423/1937423.shtml">VC.NET的GDI+編程入門教程之圖形</A>(2005-04-19 
16:09) 
<LI><A 
href="http://tech.bc0436.com/SoftChannel/72348977504190464/20050419/1938104.shtml">基于Visual 
C++.NET的GDI+編程快速入門</A>(2005-04-19 18:28) 
<LI><A href="http://tech.bc0436.com/188/1951188.shtml">基于Windows 
GDI+的幾何線條處理</A>(2005-05-20 15:02) 
<LI><A 
href="http://tech.bc0436.com/dev/121/2018121.shtml">基于VC++的GDI常用坐標系統及應用</A>(2005-06-20
12 3 下一頁
?? 文件大小 9587 K
?? 上傳用戶 bonylee_java
?? 所屬分類 VC書籍
??? 相關標簽

#GDI #編程 #參考資料
?? 快捷鍵說明

復制代碼 Ctrl + C
搜索代碼 Ctrl + F
全屏模式 F11
切換主題 Ctrl + Shift + D
顯示快捷鍵 ?
增大字號 Ctrl + =
減小字號 Ctrl + -
亚洲欧美第一页_禁久久精品乱码_粉嫩av一区二区三区免费野_久草精品视频

?? windows gdi和gdi+編程實例剖析_4.htm

?? 快捷鍵說明
