C++博客-brent's hut-随笔分类-C++

Use Skia in MFC or Win32 application

brent — Thu, 06 Feb 2020 23:53:00 GMT

What is Skia

Skia is an open source 2D graphics library which provides common APIs that work across a variety of hardware and software platforms. It serves as the graphics engine for Google Chrome and Chrome OS, Android, Mozilla Firefox and Firefox OS, and many other products.

How to download and build Skia

Just follow https://skia.org/user/download, and do it step by step, we will need a static build for use lately.

How to use Skia in a MFC application

1. Create your MFC application

2. Add Skia path to "VC++ Directories" of the project

3. Add Skia library paths to "Additional Library Directories"

4. Add "uafxcw.lib;LIBCMT.lib;opengl32.lib;glu32.lib;skia.lib;sk_app.GLWindowContext.obj;sk_app.GLWindowContext_win.obj" to "Additional Dependencies". Add "uafxcw.lib;LIBCMT.lib;" to "Ignore Specific Default Libraries."

5. In XXXDlg.h:

#include "tools\sk_app\DisplayParams.h"

#include "tools\sk_app\WindowContext.h"

protected:

HICON m_hIcon;

sk_app::DisplayParams m_paras;

std::unique_ptr m_skaContext;

6. In XXXDlg.cpp:

#include "include\core\SkPoint.h"

#include "include\core\SkFont.h"

#include "include\core\SkCanvas.h"

#include "include\core\SkSurface.h"

#include "tools\sk_app\win\WindowContextFactory_win.h"

using namespace sk_app;

BOOL XXXDlg::OnInitDialog()

{
m_skaContext = window_context_factory::MakeGLForWin(m_hWnd, m_paras);
return TRUE;
}

void XXXDlg::OnSize(UINT nType, int cx, int cy)

{

if(m_skaContext)

m_skaContext->resize(cx, cy);

}

void XXXDlg::OnPaint()

{

sk_sp backbuffer = m_skaContext->getBackbufferSurface();

if (backbuffer) {

SkCanvas* c = backbuffer->getCanvas();

c->clear(SK_ColorWHITE);

SkPaint p(SkColors::kBlack);

c->drawLine(SkPoint::Make(0, 0), SkPoint::Make(m_skaContext->width(), m_skaContext->height()), p);

static const char message[] = "Hello World";

SkFont font;

font.setSubpixel(true);

font.setSize(20);

c->drawSimpleText(message, strlen(message), SkTextEncoding::kUTF8, 0, m_skaContext->height() -2, font, p);

backbuffer->flush();

m_skaContext->swapBuffers();

}

}

7. If everything is OK, the result will be:

brent 2020-02-07 07:53 发表评论

polygon offset demo (Fifth and Final version) (Updated)

brent — Thu, 09 Sep 2010 07:27:00 GMT

http://www.cppblog.com/Files/aqazero/OffsetDemo6.zip

brent 2010-09-09 15:27 发表评论

Polygon offset demo (3rd)

brent — Sun, 05 Sep 2010 10:01:00 GMT

http://www.cppblog.com/Files/aqazero/OffsetDemo6.zip

brent 2010-09-05 18:01 发表评论

Polygon Offset Demo (Updated)

brent — Sat, 04 Sep 2010 03:25:00 GMT

http://www.cppblog.com/Files/aqazero/OffsetDemo6.zip

brent 2010-09-04 11:25 发表评论

Polygon Offset Demo

brent — Thu, 02 Sep 2010 14:25:00 GMT

http://www.cppblog.com/Files/aqazero/OffsetDemo6.zip

brent 2010-09-02 22:25 发表评论

Speed test: deflation of random 500 points and 1000 points polygon.

brent — Wed, 01 Sep 2010 02:29:00 GMT

http://www.cppblog.com/Files/aqazero/OffsetDemo5_8.zip

brent 2010-09-01 10:29 发表评论

Polygon offset with holes (Expansion and Deflation of polygons with holes)

brent — Wed, 01 Sep 2010 02:03:00 GMT

http://www.cppblog.com/Files/aqazero/OffsetDemo6.zip

brent 2010-09-01 10:03 发表评论

多边形等距线算法的实现

brent — Wed, 25 Aug 2010 15:10:00 GMT

http://www.cppblog.com/Files/aqazero/OffsetDemo6.zip

brent 2010-08-25 23:10 发表评论

simulate OnIdle in MFC ActiveX control

brent — Thu, 15 Apr 2010 07:49:00 GMT

There are two ways to do this, one is simple, another is complicated but more powerful.

Method A:

::SetWindowsHookEx(WH_FOREGROUNDIDLE, YourIdleProc, AfxGetInstanceHandle(), GetCurrentThreadId());

Method B (my way):

1 static HHOOK s_hGetMsgHook = NULL;
2
3 LRESULT FAR PASCAL GetMsgProc(int nCode, WPARAM wParam, LPARAM lParam)
4 {
5     AFX_MANAGE_STATE(AfxGetStaticModuleState( ));
6
7     LPMSG lpMsg = (LPMSG) lParam;
8     if( (nCode >= 0) && PM_REMOVE == wParam)
9     {
10         //your code here. maybe to deal with hot-keys, accelerators ...
11         //see http://support.microsoft.com/kb/187988
12
13         //my code to simulate OnIdle
14         static BOOL bIdle = FALSE;
15         CWinApp* pApp = AfxGetApp();
16         if(!bIdle && pApp->IsIdleMessage(lpMsg))
17             bIdle = TRUE;
18
19         if(bIdle)
20         {
21             MSG msgPeek = {0};
22             if(!::PeekMessage(&msgPeek, NULL, NULL, NULL, PM_NOREMOVE))
23             {
24                 VERIFY(PostMessage(AfxGetMainWnd()->GetSafeHwnd(), WM_USER+0x12, 0x34, 0x56));
25             }
26         }
27
28         if(lpMsg->hwnd == AfxGetMainWnd()->GetSafeHwnd() &&
29             lpMsg->message == WM_USER+0x12 && lpMsg->wParam == 0x34 && lpMsg->lParam == 0x56)
30         {
31             lpMsg->message = WM_NULL;
32             lpMsg->lParam = 0L;
33             lpMsg->wParam = 0L;
34
35             pApp->OnIdle(0);
36             bIdle = FALSE;
37         }
38     }
39
40     return ::CallNextHookEx(s_hGetMsgHook, nCode, wParam, lParam);
41 }
42
43 int CYourOleControl::OnCreate(LPCREATESTRUCT lpCreateStruct)
44 {
45     //...
46
47     if(NULL == s_hGetMsgHook)
48         s_hGetMsgHook = ::SetWindowsHookEx(WH_GETMESSAGE, GetMsgProc, AfxGetInstanceHandle(), GetCurrentThreadId());
49 }
50
51 void CYourOleControl::OnDestroy()
52 {
53     //...
54
55     ::UnhookWindowsHookEx(s_hGetMsgHook);
56     s_hGetMsgHook = NULL;
57
58     COleControl::OnDestroy();
59 }

Method A is far more simple, but with Method B:

1) You can override CWinApp::IsIdleMessage to filter some special messages, such as a frequent timer which will not affect what you want to do in CWinApp::OnIdle. Because timer will affect message queue and if you don't filter it, OnIdle will be called every time after the timer is invoked.

2) Sometimes your action in OnIdle will affect message queue inevitably, thus you will get a infinite loop: OnIdle->the special messages in message queue->OnIdle->... But with Method B, with SPY++ you can find the special messages, and filter them in IsIdleMessage.

brent 2010-04-15 15:49 发表评论

这是个很狡猾的bug。

brent — Thu, 04 Mar 2010 03:12:00 GMT

某天，发现一个bug，会导致release版本下异常，但在debug版本下正常，可以定位该bug在下面代码中：

void CMoveHandlerStateDraw::OnLButtonUp(UINT nFlags, CPoint point)
{


    AdjustPoint(point);

    m_pHandler->Drop(point, m_ptHandlerPos);


}

但是，一旦往这个函数中插入用来dump数据的代码， bug就不再出现，不论是将数据写到文件还是显示在messagebox上。
启用release版本的"Debug Information"， bug也不再出现。
就算只是在该函数中声明一个CString变量，这个狡猾的bug似乎马上就知道，马上就藏起来，把这个变量一去掉，它马上又跑出来了。

但后来发现，这只是一只很普通的bug，根本没什么超能力。

聪明的你，知道这是为什么吗？

brent 2010-03-04 11:12 发表评论

vista windows 7 areo progress bar

brent — Fri, 06 Nov 2009 03:56:00 GMT

vista windows 7 areo progress bar 比较恶心，它会自己画进度，以前的正常的代码到vista/window7上以后，进度条就画不到100%了。

http://stackoverflow.com/questions/313792/disabling-progress-bar-animation-on-vista-aero
http://msdn.microsoft.com/en-us/library/aa511486.aspx

用"meters"? 没空啊。

我的暴力方法是：

g_xpStyle.SetWindowTheme(m_hProgressWnd, L"",L"");

g_xpStyle 就是那个 CVisualStylesXP， google 一下就有了。

brent 2009-11-06 11:56 发表评论

从资源中加载jpg, png到GDI+ Image

brent — Thu, 05 Nov 2009 08:01:00 GMT

从资源中加载jpg和png文件，貌似不应该是个大问题，一google结果一大堆，却有两个陷阱，trap啊

1，是Bitmap(RT_BITMAP)类型的图片无法加载， RT_BITMAP是预定义类型，资源里面没有bmp文件的头， SizeofResource 的返回值要比图片文件少几个字节，因为少了这几个字节，所以GDI+会返回invalid parameter错误。

2，从IStream里面创建出来的Image对象似乎会引用到堆里面的内存，如果hBuffer被释放了，创建的Image的内容就会被破坏，有时只能画出一小部分图片，有时整个图片就是空白，视当时的内存状况而定。调用Image的Clone也没用。

CYourClass::~CYourClass()
{
    for(IMG_VECTOR::iterator it = m_arImage.begin(); it != m_arImage.end(); it++)
        delete *it;
    for(HGLB_VECTOR::iterator it = m_arGlobal.begin(); it != m_arGlobal.end(); it++)
    {
        ::GlobalUnlock(*it);
        ::GlobalFree(*it);
    }
}

void CYourClass::AddImage(HMODULE hInst, UINT nResourceID, LPCTSTR lpType)
{
    if(lpType == RT_BITMAP)
    {
        //GDI+ can not load RT_BITMAP resouce,
        //because they are predefined resource,
        //they don't contains the image file header.
        assert(FALSE);
        return;
    }

    HRSRC hResource = ::FindResource(hInst, MAKEINTRESOURCE(nResourceID), lpType);
    if (!hResource)
        return;

    DWORD imageSize = ::SizeofResource(hInst, hResource);
    if (!imageSize)
        return;

    const void* pResourceData = ::LockResource(::LoadResource(hInst, hResource));
    if (!pResourceData)
        return;

    HGLOBAL hBuffer = ::GlobalAlloc(GMEM_FIXED, imageSize);
    if (NULL == hBuffer)
        return;

    void* pBuffer = ::GlobalLock(hBuffer);
    if (pBuffer)
    {
        CopyMemory(pBuffer, pResourceData, imageSize);
        IStream* pStream = NULL;
        if (::CreateStreamOnHGlobal(hBuffer, FALSE, &pStream) == S_OK)
        {
            Gdiplus::Image * pImage = Gdiplus::Image::FromStream(pStream);
            pStream->Release();
            if (pImage)
            {
                if (pImage->GetLastStatus() == Gdiplus::Ok &&
                    pImage->GetWidth() > 0)
                {
                    m_arImage.push_back(pImage);
                    //it seems the image will take usage of the global memory.
                    //so the global memory should be kept until the image destroy.
                    m_arGlobal.push_back(hBuffer);
                    return;
                }

                delete pImage;
            }
        }
        ::GlobalUnlock(hBuffer);
    }
    ::GlobalFree(hBuffer);
}

brent 2009-11-05 16:01 发表评论

恨不相逢未嫁时

brent — Thu, 29 Oct 2009 03:56:00 GMT

http://www.codeguru.com/cpp/controls/toolbar/customizingtoolbars/article.php/c2511/
bcgcontrolbar

人世间最痛苦的事莫过于此。

brent 2009-10-29 11:56 发表评论

create mfc dialog by template will drive you mad.

brent — Wed, 19 Nov 2008 07:10:00 GMT

I have a dialog template in resource, and i have a dialog class, called CMyDialog.

And now, sometimes , i need CMyDialog to be a model dialog (WS_POPUP), sometimes be a child of another dialog(WS_CHILD).

How to make this done without duplicating the template in resource?

Call ModifyStyle after creation? Failed
Modify the LPCREATESTRUCT's style in CMyDialog::OnCreate ? Failed.
Override PreCreateWindow? Failed.

After a lot of tracing and a lot of googling. I worked out something like this:

BOOL CMyDialog::CreateAsChild(CWnd * pParent)
{
    if(!IsWindow(pParent->GetSafeHwnd()))
        return FALSE;

    m_lpszTemplateName = ATL_MAKEINTRESOURCE(IDD_WALLLAYER_PROPERTYPAGE);  // used for help
    if (m_nIDHelp == 0)
        m_nIDHelp = LOWORD((DWORD_PTR)m_lpszTemplateName);

    HINSTANCE hInst = AfxFindResourceHandle(m_lpszTemplateName, RT_DIALOG);
    HRSRC hResource = ::FindResource(hInst, m_lpszTemplateName, RT_DIALOG);
    HGLOBAL hTemplate = LoadResource(hInst, hResource);
    LPCDLGTEMPLATE lpDialogTemplate = (LPCDLGTEMPLATE)LockResource(hTemplate);
    DLGTEMPLATEEX* lpDlgTmpEx = (DLGTEMPLATEEX* )lpDialogTemplate;
    DWORD dwOldStyle = 0;
    BOOL bIsDlgEx = lpDlgTmpEx->signature == 0xFFFF;
    if(bIsDlgEx)
    {
        dwOldStyle = lpDlgTmpEx->style;
        lpDlgTmpEx->style = DS_SETFONT | WS_CHILD;
    }
    else
    {
        dwOldStyle = ((LPDLGTEMPLATE)lpDialogTemplate)->style;
        ((LPDLGTEMPLATE)lpDialogTemplate)->style = DS_SETFONT | WS_CHILD;
    }
    m_lpDialogInit = NULL;
    BOOL bResult = CreateDlgIndirect(lpDialogTemplate, pParent, hInst);
    if(bIsDlgEx)
        lpDlgTmpEx->style = dwOldStyle;
    else
        ((LPDLGTEMPLATE)lpDialogTemplate)->style = dwOldStyle;
    UnlockResource(hTemplate);
    FreeResource(hTemplate);
    return bResult;
}

If you need your dialog to behavior as WS_POPUP or WS_CHILD without duplicating your dialog template, you just get an ugly answer. And anyone who know another better way, let me know please.

MFC

brent 2008-11-19 15:10 发表评论

图形文本编辑器的源码和简单文档

brent — Wed, 27 Aug 2008 08:05:00 GMT

我说的图形文本编辑器不是纯文本编辑，见自己实现图形文本编辑器或者 Graphical Text Proposal (Draft)

Demo EXE 地址 (无公害，因为是用wxWidgets，连Icon都没有，经常把人给吓着了。该程序对硬件无要求，对使用者有一定要求...)

源代码地址

编译需要wxWidgets。在这之后再没用过wxWidgets了，感觉就是另一套MFC。

抓个图:

写到Table和导出html部分的时候就力不从心了，草草了事。导出html是做得最人模狗样，但却最败絮其中的部分。(英文版操作系统下导出html会crash，原因未知)

一直有用C#重新写一个的冲动，只是到时一定又是虎头蛇尾。

brent 2008-08-27 16:05 发表评论

谁能告诉我有没有程序员专用键盘？我要C++语法的那种-_-!

brent — Fri, 06 Jun 2008 07:00:00 GMT

All right, some one has done something...

http://www.kaufmann.no/roland/dvorak/

take your time and enjoy yourself -_-!

brent 2008-06-06 15:00 发表评论

Create projects easily with private MFC, ATL and CRT assemblies

brent — Wed, 21 May 2008 09:51:00 GMT

http://www.codeproject.com/KB/cpp/PrivateAssemblyProjects.aspx

"$(DevEnvDir)..\..\VC\bin\mt.exe" -manifest "$(TargetDir)release.manifest" –outputresource:"$(TargetDir)$(TargetFileName)";#1

release.manifest:













copy C:\WINDOWS\WinSxS\Manifests\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6b128700.manifest   D:\xxProject\bin\release\Microsoft.VC80.CRT.manifest

copy C:\WINDOWS\WinSxS\x86_Microsoft.VC80.CRT_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_6b128700\*.* D:\xxProject\bin\release\

copy C:\WINDOWS\WinSxS\Manifests\x86_Microsoft.VC80.MFC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_3bf8fa05.manifest D:\xxProject\bin\release\Microsoft.VC80.MFC.manifest

copy C:\WINDOWS\WinSxS\x86_Microsoft.VC80.MFC_1fc8b3b9a1e18e3b_8.0.50727.762_x-ww_3bf8fa05\*.* D:\xxProject\bin\release\

brent 2008-05-21 17:51 发表评论

令人发中指的代码

brent — Sun, 11 May 2008 03:09:00 GMT

class CFEPBaseView
{
    CFepBaseView()
    {
       m_pCoord = new Coord();
    }
protected:
   CCoord * m_pCoord;
}

class CCutListView : public CFEPBaseView
{
    CCutListView()
    {
        m_pCoord = new Coord();
    }
protected:
    CCoord * m_pCoord;
}

brent 2008-05-11 11:09 发表评论

ie helper, great!

brent — Thu, 13 Mar 2008 07:29:00 GMT

http://www.codeguru.com/cpp/i-n/internet/browsercontrol/article.php/c6175/

brent 2008-03-13 15:29 发表评论

render whole html page

brent — Thu, 11 Oct 2007 15:57:00 GMT

Ask:
Hi,
I'm trying to render the contents of a HTML page hosted in a web
browser control so that I can save the result as an image.

There are a number of ways to do this. For example you can use any of
IHTMLElementRender, IViewObject or WM_PRINT. The problem with these
methods is that you only will receive the portion of the page's content
that is visible in the web browser. If the page's size is bigger than
the dimensions of the web browser these hidden or "scrollable" parts
will not get rendered in the above methods.

You could resize the browser to fit the entire page but that is not
feasible in a scenario when a user is using the browser. A second
approach is to load the page into a second hidden browser which, again,
is resized to fit the entire page. The problem with this approach is
that I can't load the document again since it's appearance could
change. I want to render exactly what's in the user's browser. AFAIK
there is know easy way to exactly clone a MSHTML document.

Does anyone (Igor?) have any clues how these "hidden" ares could be
rendered? Any help much appreciated.

Regards,
Christoffer

Answer:
    I took a couple of ideas from Code Project and pieced them together to
do just this. I render the client area into a small bitmap, blit it
into a final larger (page size) bitmap and scroll the control to get at
another area. This was simpler than trying to get it to render into
the correct area of the page size bitmap.

This was written for a browser control that was NOT seen by the user so
I didn't care where the final scroll position was.

1. From the IHTMLDocument interface call get_body to get the
IHTMLElement enterface.
2. Get the IHTMLElement2 interface (pBody2 in the code).
3. Call get_scrollHeight and get_scrollWidth, get_clientWidth,
get_clientHeight.
4. Get the IHTMLElementRender interface (pRenderer in the code).
5. Create a bitmap the size of the client area and select it into a
clientDC.
6. Create a bitmap the size of the scroll area and select it into a
pageDC.
7. Use some code like the following to scroll and render the page:

long x = scrollWidth;
long lastX = -1;
bool doneX = false;
while (!doneX)
{
    pBody2->put_scrollLeft(x);
    pBody2->get_scrollLeft(&x);
    if (-1 == lastX)
    lastX = x + clientWidth;
    long y = scrollHeight;
    long lastY = -1;
    bool doneY = false;
    while (!doneY)
    {
        pBody2->put_scrollTop(y);
        pBody2->get_scrollTop(&y);
        if (-1 == lastY)
        lastY = y + clientHeight;
        hr = pRenderer->DrawToDC(clientDC);
        BitBlt(pageDC,x,y,lastX-x,lastY-y,clientDC,2,2,SRCCOPY);
        doneY = (y==0);
        lastY = y;
        y -= clientHeight-4;
    }
    doneX = (0==x);
    lastX = x;
    x -= clientWidth-4;
}

The pageDC bitmap now holds the full image of the page and you can save
it or do anything else you want. You'll note that what I'm doing is
trying to scroll too far and letting IE scroll appropriately. Also
note that I clip a 2 pixel edge when blitting. This is from actual
testing - needed to not clip the border of the control.

Hope this helps,

David Stidolph
Austin, TX

Ask:
    Thanks for the solution, but it will unfortunately not work in my case
because the control is used by a user and can therefor not be scrolled
programmatically.

My focus now is on trying to clone the MSHTML document and then load
the clone in another hidden browser contol which I can resize to fit
the entire page and then do the rendering. The way I'm currently
cloning the document is saving the HTML to disk and then replacing all
references (images, .js, .css., ...) in the HTML document with local
ones which I have downloaded from the originating server (will do this
as a last resort), the cache or (in the cases where it's possible)
copied directly from the MSHTML document. When that is done I have a
local copy which a can browse to. Does anyone know of a better way to
clone a MSHTML document?

Answer:
    How about using a LockWindowUpdate call before the snapshot and
then unlocking it after? That way, the user never knows the WB
scrolled.

brent 2007-10-11 23:57 发表评论

note Algorithm book, sql server download, .net context help, activex hotkey/ accelerator

brent — Fri, 14 Sep 2007 08:13:00 GMT

crystal lattice 晶格

a great book about Algorithm http://www2.toki.or.id/book/AlgDesignManual/INDEX.HTM

sql server developer
http://beta.verycd.com/groups/@g19046/135284.topic
http://beta.verycd.com/groups/@g19046/64613.topic

A great idea about context help:
1)http://www.codeproject.com/csharp/ContextHelpMadeEasy.asp
2)http://netpl.blogspot.com/2007/07/context-help-made-easy-revisited.html

How to deal with hotkey / accelerator keys in activex
http://support.microsoft.com/?scid=kb;EN-US;Q187988

You know how to google ,you know almost every thing.

brent 2007-09-14 16:13 发表评论

文本替换工具

brent — Thu, 15 Mar 2007 03:05:00 GMT

使用:
    1,Search
    2,在list中选定要替换的文件和行
    3,Replace
    4,双击list可用选定编辑器打开。如果使用notepad++可直接定位到行。

图片:

源代码
    http://www.cppblog.com/Files/aqazero/BatchStrReplace.zip

brent 2007-03-15 11:05 发表评论

调试ISAPI

brent — Tue, 19 Dec 2006 02:24:00 GMT

1，设置用户权限
将IUSR_[COMPUTERNAME]和IWAM_[COMPUTERNAME]添加到amdministrators组

管理工具-本地安全策略-本地策略-用户权利指派
以操作系统方式操作添加     INTERACTIVE, IUSR_[COMPUTERNAME], IWAM_[COMPUTERNAME]
作为服务登录        添加      INTERACTIVE, IUSR_[COMPUTERNAME], IWAM_[COMPUTERNAME]
调试程序            添加      INTERACTIVE, IUSR_[COMPUTERNAME], IWAM_[COMPUTERNAME]

重新启动计算机，以使用户权限设置生效。

2，设置Web服务
服务
IIS Admin Service
Simple Mail Transport Protocol (SMTP)
FTP Publishing Service
World Wide Web Publishing Service
的启动方式->手动。

设置 IIS Admin Service 登录身份设为本地系统帐号，并允许与桌面交互

打开管理工具-Internet 服务管理器，设置要允许调试的虚拟目录的属性:
执行许->脚本和可执行程序
应用程序保护->底(IIS进程)

启动默认Web站点(必须将Web服务激活，否则调试时虽然运行了inetinfo.exe，但不会运行Web服务)

3，配置VC project
Project-setting-Debug
Executable for debug session : C:\WINNT\system32\inetsrv\inetinfo.exe
Program argument : -e w3svc

4，调试
执行命令行 iisreset /stop

修改注册表信息:
REGEDIT4

[HKEY_CLASSES_ROOT\AppID\{61738644-F196-11D0-9953-00C04FD919C1}]
"LocalService"=-
"RunAs"=-

[HKEY_CLASSES_ROOT\AppID\{9F0BD3A0-EC01-11D0-A6A0-00A0C922E752}]
"LocalService"=-
"RunAs"=-

[HKEY_CLASSES_ROOT\AppID\{A9E69610-B80D-11D0-B9B9-00A0C922E750}]
"LocalService"=-
"RunAs"="Interactive User"

将以上注册表信息保存为.reg文件双击即可。

可以开始在VC中调试了，按F5..

5,恢复环境
按Shift + F5中断调试。

恢复注册表信息：
REGEDIT4

[HKEY_CLASSES_ROOT\AppID\{61738644-F196-11D0-9953-00C04FD919C1}]
"LocalService"="IISADMIN"
"RunAs"=-

[HKEY_CLASSES_ROOT\AppID\{9F0BD3A0-EC01-11D0-A6A0-00A0C922E752}]
"LocalService"="IISADMIN"
"RunAs"=-

[HKEY_CLASSES_ROOT\AppID\{A9E69610-B80D-11D0-B9B9-00A0C922E750}]
"LocalService"="IISADMIN"
"RunAs"=-

执行命令行 iisreset /start

可能需要用到的.reg .bat
http://www.cppblog.com/Files/aqazero/iisIsapiDebug.zip

更详细信息:
http://xmlrad.com/DelosBin/Delos.dll/ServePage?URL=Manual/Appendix07/index.htm&WEB_ID=101001015

brent 2006-12-19 10:24 发表评论

自己实现图形文本编辑器

brent — Fri, 01 Dec 2006 02:06:00 GMT

我说的图形文本编辑器就是不用windows控件如editbox,richedit之类实现文档编辑，不是纯文本编辑。
要实现图形绘制，象visio那样；要能画表格，象word那样；要能导出html，象word那样。
以后要在此基础上实现表单绘制和流程绘制。

程序目前完成了一小部分：

http://www.cppblog.com/Files/aqazero/BrentEditor_demo.zip

实现的功能有：

1) 编辑文本
双击可编辑对象，将进入编辑模式。在编辑模式下按ESC或者单击不可编辑对象，将退出编辑模式。按住鼠标移动可以选择文本，实现了上下左右键的navigation，实现了回车分段。
没有实现对英语单词整个单词的处理。分行会发生在单词的任何部分。主要考虑面对的是中文用户。

2) 绘制DIV，按工具栏上的方框，直接在画布上点击拉动。

3) 支持无限undo/redo，Ctrl+Z Ctrl+Y

4) 支持文本的复制粘贴, Ctrl+C Ctrl+V ，剪切未实现。

5) 可以导出到html文件，菜单File - export html
导出html后，排版可能和程序不同。

6) 实现了保存读取
保存的文件其实是个压缩文件。

7）实现了部分table功能
要调整表格之前，请先选择定某单元格。
“绘制表格”功能目前还未支持undo/redo

8) 目前的画布布局为 flow，对象的位置由flow算法决定，所以只能调整大小，不能调整位置。

下一步将实现的是：

1) 绘制table

2) 更改字体

3) 更改DIV、cell边框属性，设置填充颜色

4) 实现absolute定位

5) 实现折线绘制，以及智能连线(象viso中那样连接两个对象，自己拐弯的折线)

...

然后就是绘制workflow，连接数据库等等了。

...

brent 2006-12-01 10:06 发表评论

Excel addin处理学生成绩

brent — Tue, 28 Nov 2006 06:40:00 GMT

老婆是班主任，每次考试都要给学生发工资条....一样的成绩条。
每次都要重复一些excel插入，复制，粘贴的操作，于是自作聪明地让我帮她写程序。
为了这么点小事，让我用vc++写程序(我对VBA不熟啊...)，实在是大材小用啊。
而且程序写好后还问题多多，bug多多，嗯，您就凑合着用吧。
有问题就在这里留个言，程序已经有更新功能了，我修改起来你更新起来都会很方便的(但愿如此了)。

for user:
安装程序在 http://www.cppblog.com/Files/aqazero/brentExcelAddinSetup_fm.zip
excel文件格式参考 http://www.cppblog.com/Files/aqazero/example_brentAddin.zip

很烂的源码：http://www.cppblog.com/Files/aqazero/BrentAddin.rar

brent 2006-11-28 14:40 发表评论

graphical text editor (二)(内有帅图)

brent — Wed, 22 Nov 2006 08:42:00 GMT

使用wxWidgets库。文本编辑是自己实现的，没有用到控件。导出到html。

brent 2006-11-22 16:42 发表评论

graphical text editor？

brent — Sun, 08 Oct 2006 08:13:00 GMT

做一个文本编辑器似乎已经不是很难了。
网上有很多源代码可以下载，也有具体的一步步的教程。
如：http://www.catch22.net/tuts/editor01.asp

但做一个graphical text editor呢？象WORD那样即可以画表格，也可以编辑带字体的文本。

图I

一开始我弄了这个(图I)用来画表格.table是一个对象，包含cell对象，以及rowInfo和colInfo。cell包含的string，char并不作为单独的一个对象。

图II

图III

后来改写，把每个char当成一个对象，但char对象和其它对象的compose却又成问题。。
Range的表示也成问题。

似乎table等对象只能绝对定位，无法实现象word中表格的对齐方式和文字围绕效果。

写得好累，有谁知道有开源的用C++写的graphical text editor，或者自己有写的，希望能交流一下啊。

brent 2006-10-08 16:13 发表评论

C++ 运算符优先级列表

brent — Thu, 08 Jun 2006 01:33:00 GMT

http://www.cppreference.com/operator_precedence.html

Precedence	Operator	Description	Example	Associativity
1	() [] -> . :: ++ --	Grouping operator Array access Member access from a pointer Member access from an object Scoping operator Post-increment Post-decrement	(a + b) / 4; array[4] = 2; ptr->age = 34; obj.age = 34; Class::age = 2; for( i = 0; i < 10; i++ ) ... for( i = 10; i > 0; i-- ) ...	left to right
2	! ~ ++ -- - + * & (type) sizeof	Logical negation Bitwise complement Pre-increment Pre-decrement Unary minus Unary plus Dereference Address of Cast to a given type Return size in bytes	if( !done ) ... flags = ~flags; for( i = 0; i < 10; ++i ) ... for( i = 10; i > 0; --i ) ... int i = -1; int i = +1; data = *ptr; address = &obj; int i = (int) floatNum; int size = sizeof(floatNum);	right to left
3	->* .*	Member pointer selector Member pointer selector	ptr->var = 24; obj.var = 24;	left to right
4	* / %	Multiplication Division Modulus	int i = 2 * 4; float f = 10 / 3; int rem = 4 % 3;	left to right
5	+ -	Addition Subtraction	int i = 2 + 3; int i = 5 - 1;	left to right
6	<< >>	Bitwise shift left Bitwise shift right	int flags = 33 << 1; int flags = 33 >> 1;	left to right
7	< <= > >=	Comparison less-than Comparison less-than-or-equal-to Comparison greater-than Comparison geater-than-or-equal-to	if( i < 42 ) ... if( i <= 42 ) ... if( i > 42 ) ... if( i >= 42 ) ...	left to right
8	== !=	Comparison equal-to Comparison not-equal-to	if( i == 42 ) ... if( i != 42 ) ...	left to right
9	&	Bitwise AND	flags = flags & 42;	left to right
10	^	Bitwise exclusive OR	flags = flags ^ 42;	left to right
11	\|	Bitwise inclusive (normal) OR	flags = flags \| 42;	left to right
12	&&	Logical AND	if( conditionA && conditionB ) ...	left to right
13	\|\|	Logical OR	if( conditionA \|\| conditionB ) ...	left to right
14	? :	Ternary conditional (if-then-else)	int i = (a > b) ? a : b;	right to left
15	= += -= *= /= %= &= ^= \|= <<= >>=	Assignment operator Increment and assign Decrement and assign Multiply and assign Divide and assign Modulo and assign Bitwise AND and assign Bitwise exclusive OR and assign Bitwise inclusive (normal) OR and assign Bitwise shift left and assign Bitwise shift right and assign	int a = b; a += 3; b -= 4; a *= 5; a /= 2; a %= 3; flags &= new_flags; flags ^= new_flags; flags \|= new_flags; flags <<= 2; flags >>= 2;	right to left
16	,	Sequential evaluation operator	for( i = 0, j = 0; i < 10; i++, j++ ) ...	left to right

brent 2006-06-08 09:33 发表评论

关于内存泄漏记录

brent — Mon, 05 Jun 2006 09:27:00 GMT

文章地址:http://www-128.ibm.com/developerworks/cn/linux/l-mleak2/index.html#main
本地文件地址:http://www.cppblog.com/Files/aqazero/dbg_new.zip

brent 2006-06-05 17:27 发表评论

还是关于异常

brent — Wed, 31 May 2006 03:40:00 GMT

早上看到一篇别人的blog,上有如下代码:
try{
   ...
   throw "teststring";//1
}
catch(string & rs){//2
   ...
}
想要用//2处的语句来捕获//1处的异常,当然是不对的.
正确的应该是:
catch(char * ps){ 或 catch(const char * ps){

其实因为"teststring"是保存在代码段中的,所以应该抛出const指针
try{
   ...
   throw static_cast("teststring");
}
catch(char * ps){//错,改为=> catch(const char * ps){
   ...
}
天下太平,但如果钻牛角尖:
try{
   ...
   throw static_cast("teststring");//3
}
catch(const char * const& rps){//4
   ...
}
可以吗?编译正常,但//4无法捕获//3的异常.
但为什么
try{
   ...
   throw static_caststring("teststring");//5
}
catch(const string & rs){//6
   ...
}
//6处就可以捕获到//5处的异常呢
因为//5处抛出的异常类型根本就不是const的.只是string的类型
而//3处的异常的类型的确是cosnt char *
嘿嘿...

简单的说异常的处理需要引入一个全局的对象.
throw x;的时候用x来给这个全局对象y赋值,当捕获的时候在catch( type z)处,用y给z赋值.
如果x的类型不是指针(比如string),不管它有没有常量性,y的类型都是string,而z的类型不管是string 还是const string都能捕获x.

但是,当x的类型是指针的时候,y的类型的常量性和x是一致的,z的类型也只有和x一致才能捕获x的异常.

但//4处就是不能捕获//3的异常.
也许是VC++的问题?
不知道别的编译器如何.
还好用引用来捕获指针...普通人应该都不会这么做-_-
但尽量用const类型来catch,应该是个好习惯.

brent 2006-05-31 11:40 发表评论