#include?“stdafx.h“
#include?“BitmapOpt.h“
#include?

/****************************************************************************
獲得rect指定的圖片塊用完此函數返回的HBITMAP句柄后要調用::Deleteobject（）刪除句
FilePath:為源圖片路徑
rect:為要剪切的圖形尺寸
****************************************************************************/
HBITMAP?CBitmapOpt::GetBitmap（char*?FilePathRECT?*?rect）
{
	HDC?hScrDChMemDC;???//屏幕設備描述表?和?內存設備描述表??

	HBITMAP??hBitmaphOldBitmap;?//hBitmap位圖句柄用來保存rect所對應的圖片????

	hMemDC=CreateCompatibleDC（NULL）;??//創建內存設備描述表

	int?RectWidth=rect->right-rect->left;?//獲得屏幕寬度
	int?RectHeight=rect->bottom-rect->top;?//獲得屏幕高度

	//獲取源圖片的句柄
	HBITMAP?SrcBitmap;
	SrcBitmap=（HBITMAP）LoadImage（NULL??//應用程序實例???
		FilePath?????//路徑
		IMAGE_BITMAP????
		0????????//如果不置0則此參數指定bitmap的寬（位圖被拉伸）??
		0????????//如果不置0則此參數指定bitmap的高（位圖被拉伸）??
		LR_LOADFROMFILE|LR_CREATEDIBSECTION|LR_DEFAULTSIZE）;

	//把句柄和hSrcDC關聯
	hScrDC=CreateCompatibleDC（NULL）;??//創建內存設備描述表
	Selectobject（hScrDCSrcBitmap）;??

	hBitmap=CreateCompatibleBitmap（hScrDCRectWidthRectHeight）;???//創建一個與屏幕設備描述表兼容的位圖用完記得調用::Deleteobject（hBitmap）;
	hOldBitmap=（HBITMAP）Selectobject（hMemDChBitmap）;?????//把位圖選進內存設備描述表
	BitBlt（hMemDC00RectWidthRectHeighthScrDCrect->leftrect->topSRCCOPY）;???//把rect指定的圖塊拷貝到內存設備描述表
	hBitmap=（HBITMAP）Selectobject（hMemDChOldBitmap）;?????//把圖片放到hBitmap中

	DeleteDC（hScrDC）;?
	DeleteDC（hMemDC）;???
	return?hBitmap;?
}

//保存位圖
int?CBitmapOpt::SaveBitmap（HBITMAP???hBitmap???LPSTR???lpFileName）???
{???
	//lpFileName???為位圖文件名???
	HDC???????????hDC;?????????????????????
	//設備描述表???
	int???????????iBits;???????????????
	//當前顯示分辨率下每個像素所占字節數???
	WORD?????????wBitCount;?????????
	//位圖中每個像素所占字節數???
	//定義調色板大小，???位圖中像素字節大小???，?????位圖文件大小???，???寫入文件字節數???
	DWORD???????????????????????dwPaletteSize=0dwBmBitsSizedwDIBSize???dwWritten;???
	BITMAP?????????????????????Bitmap;???????????????????
	//位圖屬性結構???
	BITMAPFILEHEADER???????bmfHdr;???????????????????
	//位圖文件頭結構???
	BITMAPINFOHEADER???????bi;???????????????????????????
	//位圖信息頭結構?????
	LPBITMAPINFOHEADER???lpbi;???????????????????????
	//指向位圖信息頭結構???
	HANDLE?????????????????????fh???hDib???hPal;???
	HPALETTE???????????hOldPal=NULL;???
	//定義文件，分配內存句柄，調色板句柄???

	//計算位圖文件每個像素所占字節數???
	iBits=24;???
	if???（iBits???<=???1）???
		wBitCount???=???1;???
	else???if???（iBits???<=???4）???
		wBitCount???=???4;???
	else???if???（iBits???<=???8）???
		wBitCount???=???8;???
	else???if???（iBits???<=???32）???
		wBitCount???=???24;???
	//計算調色板大小???
	if???（wBitCount???<=???8）???
		dwPaletteSize=（1<
	//設置位圖信息頭結構???
	Getobject（hBitmap???sizeof（BITMAP）???（LPSTR）&Bitmap）;???
	bi.biSize?????????????????????????=???sizeof（BITMAPINFOHEADER）;???
	bi.biWidth???????????????????????=???Bitmap.bmWidth;???
	bi.biHeight?????????????????????=Bitmap.bmHeight;???
	bi.biPlanes?????????????????????=???1;???
	bi.biBitCount???????????????????=???wBitCount;???

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????6179??2015-03-10?10:44??TestGdipButton\TestGdipButton\TestGdipButton.vcxproj

?????文件????????143??2015-03-10?10:42??TestGdipButton\TestGdipButton\TestGdipButton.vcxproj.user

?????文件???????2778??2015-03-10?10:44??TestGdipButton\TestGdipButton\TestGdipButton.vcxproj.filters

?????文件???????3146??2015-03-10?10:42??TestGdipButton\TestGdipButton\ReadMe.txt

?????文件???????1368??2011-07-07?18:15??TestGdipButton\TestGdipButton\TestGdipButton.h

?????文件???????1833??2011-07-07?18:15??TestGdipButton\TestGdipButton\TestGdipButton.cpp

?????文件???????1888??2015-03-10?11:00??TestGdipButton\TestGdipButton\TestGdipButtonDlg.h

?????文件???????8952??2015-03-10?11:03??TestGdipButton\TestGdipButton\TestGdipButtonDlg.cpp

?????文件???????1146??2011-07-07?18:15??TestGdipButton\TestGdipButton\stdafx.h

?????文件????????234??2015-03-10?10:42??TestGdipButton\TestGdipButton\targetver.h

?????文件????????254??2011-07-07?18:15??TestGdipButton\TestGdipButton\stdafx.cpp

?????文件???????1367??2015-03-05?16:40??TestGdipButton\TestGdipButton\Resource.h

?????文件???????6602??2015-03-09?09:42??TestGdipButton\TestGdipButton\TestGdipButton.rc

?????文件????????406??2008-06-10?18:57??TestGdipButton\TestGdipButton\res\TestGdipButton.rc2

?????文件???????1078??2008-06-10?18:57??TestGdipButton\TestGdipButton\res\TestGdipButton.ico

?????文件?????612892??2008-06-11?11:41??TestGdipButton\TestGdipButton\res\Jules-Asner.bmp

????..A.SH.?????29184??2011-06-22?18:57??TestGdipButton\TestGdipButton\res\Thumbs.db

?????文件??????11278??2008-06-11?11:48??TestGdipButton\TestGdipButton\res\exit.png

?????文件??????31970??2008-06-11?06:28??TestGdipButton\TestGdipButton\res\GEAR2.png

?????文件??????11365??2008-06-10?21:30??TestGdipButton\TestGdipButton\res\pause.png

?????文件??????11101??2008-06-10?21:30??TestGdipButton\TestGdipButton\res\play.png

?????文件?????505201??2015-03-02?10:51??TestGdipButton\TestGdipButton\res\background.png

?????文件???????1270??2009-08-31?02:32??TestGdipButton\TestGdipButton\res\bitmap1.bmp

?????文件????2880054??2015-03-02?11:21??TestGdipButton\TestGdipButton\res\background.bmp

?????文件???????5226??2004-12-18?11:27??TestGdipButton\TestGdipButton\res\tile_B.png

?????文件???????6796??2015-03-09?15:45??TestGdipButton\TestGdipButton\BitmapOpt.cpp

?????文件????????229??2015-03-09?15:41??TestGdipButton\TestGdipButton\BitmapOpt.h

?????文件???????2822??2011-07-07?18:15??TestGdipButton\TestGdipButton\CGdiPlusBitmap.h

?????文件??????17500??2011-07-07?18:15??TestGdipButton\TestGdipButton\GdipButton.cpp

?????文件???????3364??2011-07-07?18:15??TestGdipButton\TestGdipButton\GdipButton.h

............此處省略17個文件信息