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使用gdal來顯示圖像,了解gdal如何使用,如何分塊讀取,顯示

代碼片段和文件信息
//?gdalview.cpp?:?定義應(yīng)用程序的類行為。
//
#include?“stdafx.h“
#include?“gdalview.h“
#include?“MainFrm.h“
#include?“gdalviewDoc.h“
#include?“gdalviewView.h“
ULONG_PTR?gdiplusToken;
#ifdef?_DEBUG
#define?new?DEBUG_NEW
#endif
//?CgdalviewApp
BEGIN_MESSAGE_MAP(CgdalviewApp?CWinApp)
ON_COMMAND(ID_APP_ABOUT?&CgdalviewApp::OnAppAbout)
//?基于文件的標(biāo)準(zhǔn)文檔命令
ON_COMMAND(ID_FILE_NEW?&CWinApp::OnFileNew)
ON_COMMAND(ID_FILE_OPEN?&CWinApp::OnFileOpen)
//?標(biāo)準(zhǔn)打印設(shè)置命令
ON_COMMAND(ID_FILE_PRINT_SETUP?&CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()
//?CgdalviewApp?構(gòu)造
CgdalviewApp::CgdalviewApp()
{
//?TODO:?在此處添加構(gòu)造代碼,
//?將所有重要的初始化放置在?InitInstance?中
}
CgdalviewApp::~CgdalviewApp()
{
//?TODO:?在此處添加構(gòu)造代碼,
//?將所有重要的初始化放置在?InitInstance?中
GdiplusShutdown(gdiplusToken);
}
//?唯一的一個?CgdalviewApp?對象
CgdalviewApp?theApp;
//?CgdalviewApp?初始化
BOOL?CgdalviewApp::InitInstance()
{
//?如果一個運(yùn)行在?Windows?XP?上的應(yīng)用程序清單指定要
//?使用?ComCtl32.dll?版本?6?或更高版本來啟用可視化方式,
//則需要?InitCommonControlsEx()。否則,將無法創(chuàng)建窗口。
INITCOMMONCONTROLSEX?InitCtrls;
InitCtrls.dwSize?=?sizeof(InitCtrls);
//?將它設(shè)置為包括所有要在應(yīng)用程序中使用的
//?公共控件類。
InitCtrls.dwICC?=?ICC_WIN95_CLASSES;
InitCommonControlsEx(&InitCtrls);
GdiplusStartupInput?gdiplusStartupInput;
GdiplusStartup(&gdiplusToken&gdiplusStartupInputNULL);
CWinApp::InitInstance();
//?初始化?OLE?庫
if?(!AfxOleInit())
{
AfxMessageBox(IDP_OLE_INIT_FAILED);
return?FALSE;
}
AfxEnableControlContainer();
//?標(biāo)準(zhǔn)初始化
//?如果未使用這些功能并希望減小
//?最終可執(zhí)行文件的大小,則應(yīng)移除下列
//?不需要的特定初始化例程
//?更改用于存儲設(shè)置的注冊表項(xiàng)
//?TODO:?應(yīng)適當(dāng)修改該字符串,
//?例如修改為公司或組織名
SetRegistryKey(_T(“應(yīng)用程序向?qū)傻谋镜貞?yīng)用程序“));
LoadStdProfileSettings(4);??//?加載標(biāo)準(zhǔn)?INI?文件選項(xiàng)(包括?MRU)
//?注冊應(yīng)用程序的文檔模板。文檔模板
//?將用作文檔、框架窗口和視圖之間的連接
CSingleDocTemplate*?pDocTemplate;
pDocTemplate?=?new?CSingleDocTemplate(
IDR_MAINframe
RUNTIME_CLASS(CgdalviewDoc)
RUNTIME_CLASS(CMainframe)???????//?主?SDI?框架窗口
RUNTIME_CLASS(CgdalviewView));
if?(!pDocTemplate)
return?FALSE;
AddDocTemplate(pDocTemplate);
//?分析標(biāo)準(zhǔn)外殼命令、DDE、打開文件操作的命令行
CCommandLineInfo?cmdInfo;
ParseCommandLine(cmdInfo);
//?調(diào)度在命令行中指定的命令。如果
//?用?/RegServer、/Register、/Unregserver?或?/Unregister?啟動應(yīng)用程序,則返回?FALSE。
if?(!ProcessShellCommand(cmdInfo))
return?FALSE;
//?唯一的一個窗口已初始化,因此顯示它并對其進(jìn)行更新
m_pMainWnd->ShowWindow(SW_SHOW);
m_pMainWnd->UpdateWindow();
//?僅當(dāng)具有后綴時才調(diào)用?DragAcceptFiles
//??在?SDI?應(yīng)用程序中,這應(yīng)在?ProcessShellCommand?之后發(fā)生
return?TRUE;
}
//?用于應(yīng)用程序“關(guān)于”菜單項(xiàng)的?CAboutDlg?對話框
class?CAboutDlg?:?public?CDialog
{
public:
CAboutDlg();
//?對話框數(shù)據(jù)
enum?{?IDD?=?IDD_ABOUTBOX?};
protected:
virtual?void?DoDataExchange(CDataExchange*?pDX);????//?DDX/DDV?支持
//?實(shí)現(xiàn)
protected:
DECLARE_MESSAGE_MAP()
};
CAboutDlg::CAboutDlg()?:?CDialog(CAboutDlg::IDD)
{
}
void?CAboutDlg::DoDataExchange(CDataExchange*?pDX)
{
CDialog::DoDataExchange(pDX);
}
BEGIN_MESSAGE_MAP(CAboutDlg?CDialog)
END_MESSAGE_MAP()
//?用于運(yùn)行對話框的應(yīng)用程序命令
void?CgdalviewApp::O
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????270993??2009-07-04?09:52??gdalview\gdalview\cea.tif
?????文件??????29658??2007-09-11?11:22??gdalview\gdalview\gdal.h
?????文件??????66712??2009-12-25?19:25??gdalview\gdalview\gdalview.aps
?????文件???????3550??2009-12-26?20:10??gdalview\gdalview\gdalview.cpp
?????文件????????500??2009-12-26?20:10??gdalview\gdalview\gdalview.h
?????文件??????10293??2009-12-25?19:25??gdalview\gdalview\gdalview.rc
?????文件???????6009??2009-12-26?20:07??gdalview\gdalview\gdalview.vcproj
?????文件???????1427??2010-01-04?12:49??gdalview\gdalview\gdalview.vcproj.PC-200912031035.Administrator.user
?????文件???????1052??2009-12-25?19:22??gdalview\gdalview\gdalviewDoc.cpp
?????文件????????558??2009-12-25?19:22??gdalview\gdalview\gdalviewDoc.h
?????文件???????3989??2009-12-28?18:21??gdalview\gdalview\gdalviewView.cpp
?????文件???????1179??2009-12-26?21:02??gdalview\gdalview\gdalviewView.h
?????文件?????786596??2007-08-24?13:56??gdalview\gdalview\gdal_i.lib
?????文件??????24555??2009-07-07?14:48??gdalview\gdalview\gdal_priv.h
?????文件?????206996??2005-04-14?17:55??gdalview\gdalview\GdiPlus.lib
?????文件???????1798??2009-12-25?19:22??gdalview\gdalview\MainFrm.cpp
?????文件????????655??2009-12-25?19:22??gdalview\gdalview\MainFrm.h
?????文件???????3454??2009-12-25?19:22??gdalview\gdalview\ReadMe.txt
????.......?????21630??2003-07-24?09:52??gdalview\gdalview\res\gdalview.ico
?????文件????????364??2009-12-25?19:22??gdalview\gdalview\res\gdalview.rc2
????.......??????1078??2003-07-24?09:52??gdalview\gdalview\res\gdalviewDoc.ico
????.......??????1078??2003-07-24?09:52??gdalview\gdalview\res\Toolbar.bmp
?????文件????????633??2009-12-25?19:25??gdalview\gdalview\resource.h
?????文件????????139??2009-12-25?19:22??gdalview\gdalview\stdafx.cpp
?????文件???????1842??2009-12-26?20:10??gdalview\gdalview\stdafx.h
?????文件???????1030??2009-12-25?19:22??gdalview\gdalview\targetver.h
?????文件???25013248??2010-01-04?12:49??gdalview\gdalview.ncb
?????文件????????890??2009-12-25?19:22??gdalview\gdalview.sln
????..A..H.?????22528??2010-01-04?12:49??gdalview\gdalview.suo
?????目錄??????????0??2009-12-26?20:07??gdalview\gdalview\lib
............此處省略6個文件信息
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