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[ppc] ppc 装载 jpg 程序

clq

浏览(0) + 2009-03-15 15:34:32 发表编辑

关键字:

//clq add
CVOImage image;

HDC picDC = ::GetDC(hWnd);
//std::string path_fname = "";
//TCHAR * path_fname = L"c:\\1.jpg";
TCHAR * path_fname = L"\\1.jpg";

//image.Load (picDC , (const char *)path_fname.c_str());
//image.Load (picDC , path_fname);
//image.Draw (picDC ,10,10 );

HBITMAP hbitmap = 0;
hbitmap = SHLoadImageFile(path_fname);
//hbitmap = SHLoadImageResource(g_hInst, IDR_T31);

HDC hdcMem = CreateCompatibleDC (picDC);
HGDIOBJ hOldSel = SelectObject (hdcMem, hbitmap);
BITMAP bmp;//add test
GetObject (hbitmap, sizeof (BITMAP), &bmp);
RECT rect;
::GetClientRect(hWnd, &rect);
BitBlt (picDC, rect.left, rect.top, bmp.bmWidth, bmp.bmHeight, hdcMem, 0, 0, SRCCOPY);
SelectObject (hdcMem, hOldSel);
DeleteDC (hdcMem);

//clq add _end;

clq

2009-3-15 15:36:46 发表编辑

其中
SHLoadImageResource
装载图片时，必须新建立一个 “GIF” 的资源类型。它最后在 .rc 文件中应该生成这样的一行

IDR_T31 GIF DISCARDABLE "C:\\Documents and Settings\\Administrator\\桌面\\1.gif"

msdn 的描述如下：
Windows Mobile Version 5.0 SDK

SHLoadImageResource
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Requirements
Pocket PC: Windows Mobile 2003 and later.
OS Versions: Windows CE .NET 4.0 and later.
Header: Declared in Aygshell.h.
Library: Use Aygshell.lib.

Converts an image file in the resource file to a bitmap file. A resource image file should be coded in the resource file as follows (using GIF as an example): IDG_MYIMAGE_GIF GIF DISCARDABLE "MyImage.gif".

Syntax
HBITMAP SHLoadImageResource (
HINSTANCE hinst,
UINT uIdImageFile
);
Parameters
hinst
[in] Handle to the module whose executable file contains the image file.
uIdImageFile
[in] UINT identifying the image file.
Return Values
A handle to a bitmap if successful, NULL otherwise.

Remarks
This function converts files of several types, including GIF (Graphics Interchange Format), PNG (Portable Network Graphics), JPG (Joint Photographic Experts Group), ICO (icon), and BMP (bitmap) file formats.

Requirements
Pocket PC: Windows Mobile 2003 and later.
OS Versions: Windows CE .NET 4.0 and later.
Header: Declared in Aygshell.h.
Library: Use Aygshell.lib.

--------------------------------------------------------------------------------

Last updated on Wednesday, September 14, 2005

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