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<TD vAlign=top width="100%" height=1300><B>>> <A
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<TD align=middle bgColor=#4185d9><FONT face=verdana
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<TD width="75%" bgColor=#efefef colSpan=2 rowSpan=5><LEFT><FONT
style="FONT-SIZE: 16px; COLOR: #ff9900; FONT-FAMILY: 宋体"><B>High
Speed Graphics Library for WinCE</B></FONT> <BR><BR><BR>发布者: <A
href="http://www.vccode.com/member.php?action=getinfo&username=soarlove">soarlove</A>
(<A
href="http://www.vccode.com/file_who_articlelist.php?s_username=soarlove">进入soarlove个人专栏</A>)
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<TD width="25%" bgColor=#efefef>发布日期:2002.08.25 </TD></TR>
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<TD width="25%" bgColor=#efefef>升级次数:0 </TD></TR>
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<TD width="25%" bgColor=#efefef>今日浏览:2 </TD></TR>
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<TD width="25%" bgColor=#efefef rowSpan=2><A
href="http://www.vccode.com/file_download.php?id=268"
target=_blank><IMG title="下载 20020626170239_CEGraph.zip"
src="High Speed Graphics Library for WinCE.files/zip.gif"
border=0>代码下载</A> </TD></TR>
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<TD vAlign=top width="100%"><BR><IMG height=399
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width=268 border=0>
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<P
style="TEXT-JUSTIFY: inter-ideograph; LINE-HEIGHT: 200%; TEXT-ALIGN: justify"><SPAN
style="FONT-SIZE: 11pt">程序说明：</SPAN></P>
<P
style="TEXT-JUSTIFY: inter-ideograph; LINE-HEIGHT: 200%; TEXT-ALIGN: justify"><SPAN
style="FONT-SIZE: 11pt">原作者Jamestj ，下面是翻译的作者的说明。</SPAN></P>
<P
style="TEXT-JUSTIFY: inter-ideograph; LINE-HEIGHT: 200%; TEXT-ALIGN: justify"><SPAN
style="FONT-SIZE: 11pt">介绍<BR><BR>CEDraw是一个在WinCE中实现高速画图的库。它的功能来源于GAPI。这段代码使用C++语法在embedded
VC++中编译。Testing was done on an iPaq h3600 with WinCE
3.0。CEDraw使用双缓冲和直接写入视频缓冲的方法提高了画图的速度。用它画图的速度比直接使用WinGDI画图的速度快得多。<BR><BR>CEDraw支持以下功能<BR>Draw
Pixel <BR>Fill Screen <BR>Draw Line,HLine,VLine <BR>Draw Polyline
<BR>Draw Polygon <BR>Draw Rectangle <BR>Fill Rectangle ( with alpha
blend support ) <BR>Fill Polygon <BR>Draw Bitmap ( Support
Bmp,Gif,Jpg format, Support alpha blend ) <BR>Draw Text ( Own font
file, support Chinese, support gdi text )
<BR><BR>怎样使用<BR><BR>在使用CEDraw之前，你必须拷贝一些需要的文件到你的系统中。<BR>a.拷贝这个dll到你的WinCE系统目录<BR>1.If
using in emulation mode, copy two of the dll in …\CEGraph\DLL\X86Em
directory ( gx.dll & cegl.dll) to the emulation windows system
directory, always in the D:\Windows CE Tools\wce300\MS Pocket
PC\emulation\palm300\windows directoty, then copy the file Hzk16 in
the …\CEGraph\Res directory to the WinCE Root directory, always in
D:\Windows CE Tools\wce300\MS Pocket PC\emulation\palm300 <BR>2.if
using an Arm system, copy the two DLLs in …\CEGraph\DLL\Arm ( gx.dll
& cegl.dll) to the Pocket PC windows system directory. Then copy
the file HZK16 to the System Root directory.
<BR><BR>下面是你使用要做的4步：<BR><BR>1.目录<BR><BR>在include目录中加入…\CEGraph\Include<BR>如果你使用仿真系统，那么在lib目录中加入
…\CEGraph\Lib\X86Em <BR>如果你使用PockPC，那么在lib目录中加入 …\CEGraph\Lib\Arm
<BR>打开project setting->Link->Object/library Modules
<BR>加上CEGL.lib<BR><BR>2.加入头文件<BR><BR>加入CEDraw的头文件CEGL.h<BR><FONT
color=#800000>#include "stdafx.h"<BR>#include
"SDKSample.h"<BR>#include <COMMCTRL.H><BR><BR>#include <CEGL.H>//
Include CE Graphics library<BR></FONT><BR>3.创建CEDraw类<BR><BR><FONT
color=#800000>// Create the CE Draw Object:<BR>CCEDraw
m_ceDraw;<BR><BR>// Initialize after CreateWindow()<BR><BR>BOOL
InitInstance(HINSTANCE hInstance, int nCmdShow)<BR><BR>{<BR>HWND
hWnd;<BR>TCHAR szTitle[MAX_LOADSTRING]; // The title bar
text<BR>TCHAR szWindowClass[MAX_LOADSTRING]; // The window class
name<BR><BR>hInst = hInstance; // Store instance handle in our
global variable<BR>// Initialize global
strings<BR>LoadString(hInstance, IDC_SDKSAMPLE, szWindowClass,
MAX_LOADSTRING);<BR>MyRegisterClass(hInstance,
szWindowClass);<BR>LoadString(hInstance, IDS_APP_TITLE, szTitle,
MAX_LOADSTRING);<BR>hWnd = CreateWindow(szWindowClass, szTitle,
WS_VISIBLE,<BR>0, 0, GetSystemMetrics(SM_CXSCREEN),
GetSystemMetrics(SM_CYSCREEN), <BR>NULL, NULL, hInstance,
NULL);<BR>if (!hWnd)<BR>{<BR>return FALSE;<BR>}<BR><BR>// Create the
CE Grahpics Library<BR>m_ceDraw.Create( hWnd
);<BR><BR>ShowWindow(hWnd,
nCmdShow);<BR>UpdateWindow(hWnd);<BR><BR>return
TRUE;<BR>}<BR></FONT><BR>4.使用CEDraw<BR><BR><FONT
color=#800000>LRESULT CALLBACK WndProc(HWND hWnd, UINT message,
<BR>WPARAM wParam, LPARAM lParam)<BR>{<BR>HDC hdc;<BR>int wmId,
wmEvent;<BR>PAINTSTRUCT ps;<BR>TCHAR
szHello[MAX_LOADSTRING];<BR><BR>switch (message)<BR>{<BR>case
WM_PAINT:<BR>RECT rt;<BR>hdc = BeginPaint(hWnd,
&ps);<BR>GetClientRect(hWnd, &rt);<BR>LoadString(hInst,
IDS_HELLO, szHello, MAX_LOADSTRING);<BR>DrawText(hdc, szHello,
_tcslen(szHello), &rt,<BR>DT_SINGLELINE | DT_VCENTER |
DT_CENTER);<BR>EndPaint(hWnd, &ps);<BR><BR>Render(); // Render
screen<BR>break;<BR><BR>...<BR>}<BR>}<BR><BR>void Render( void
)<BR>{<BR>POINT pt[5] ={ { 140, 100 }, { 70,120 }, { 104, 150 },
<BR>{ 210, 122 }, { 75, 200 } };<BR><BR>// Create the ce pen
object...<BR>CCEPen cePen;<BR>// Convert RGB color to CE support
Color<BR>cePen.CreatePen( 1, 1, m_ceDraw.ConvertColor( 255, 0, 0 )
); <BR><BR>// Select it to the graphics
system<BR>m_ceDraw.SetGDIObject( &cePen );<BR><BR>// Create the
ce brush object...<BR>CCEBrush ceBrush1,
ceBrush2;<BR>ceBrush1.CreateBrush( 1, m_ceDraw.ConvertColor( 200,
200, 100 ), 1 );<BR>ceBrush2.CreateBrush( 1, m_ceDraw.ConvertColor(
0, 240, 0 ), 1 );<BR><BR>// Select it to the graphics
system<BR>m_ceDraw.SetGDIObject( &ceBrush1 );<BR><BR>// Begin
Draw<BR>m_ceDraw.BeginDraw();<BR>m_ceDraw.Clear( (DWORD)255 ); //
Clear screen use white color<BR><BR>m_ceDraw.DrawLine( 1, 1, 100,
100 ); // Draw line<BR><BR>m_ceDraw.DrawRect( 10, 10, 110, 80 ); //
Draw Rect<BR><BR>m_ceDraw.FillRect( 30, 30, 50, 50 ); // Fill
Rect<BR><BR>m_ceDraw.SetGDIObject( &ceBrush2 ); // Select
another color brush<BR>m_ceDraw.FillRect( 40, 40, 100, 100, 0.4 );
// fill Rect with alpha blend<BR><BR>m_ceDraw.FillPolygon( pt, 5 );
// Draw an polygon<BR>m_ceDraw.SetGDIObject( &ceBrush1 ); //
Select another color brush<BR>m_ceDraw.FillPolygon( pt, 5, 40, 40 );
// Draw an polygon<BR><BR>CCEBitmap ceBmp1,ceBmp2;<BR><BR>// Load
Gif picture from file<BR>ceBmp1.LoadBitmap( &m_ceDraw,
L"windows\\wcelogo1.gif" ); <BR>ceBmp2.LoadBitmap( &m_ceDraw,
L"windows\\welcomehead.gif" );<BR><BR>// Draw bitmap with alpha
blend<BR>ceBmp2.BitBlt( &m_ceDraw, 1, 80, 0, 0, 0, 0, SRCALPHA,
0.6f ); <BR>ceBmp1.BitBlt( &m_ceDraw, 1, 200, 0, 0, 0, 0,
SRCALPHA, 0.6f );<BR><BR>POINT ptText = { 1, 300 };<BR>// Draw text
with pen color<BR>m_ceDraw.DrawText( &ptText, "Hello CE Graph!",
16, 1 ); <BR><BR>// End
Draw<BR>m_ceDraw.EndDraw();<BR>m_ceDraw.Flip(); // Flip the back
buffer to the video buffer<BR>}</FONT><BR><BR>5.不要忘记释放它<BR><BR><FONT
color=#800000>case
WM_DESTROY:<BR>m_ceDraw.Release();<BR>PostQuitMessage(0);<BR>break;</FONT><BR><BR>注意<BR><BR>这个库不能用于用MFC的appwizard产生的程序框架。因为它有两个窗口，一个是框架窗口，一个是子窗口。我另外写了一个支持MFC的工程，如果你需要的的话，写信给我。<BR><BR>作者信箱：jiet@msn.com<BR></SPAN></P>
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