截全屏

VC实现快速截屏

//截取全屏

#include

#include

#include//CImage

#pragmacomment(lib,’’)

intmain()

{

HDChdcSrc=GetDC(NULL);

intnBitPerPixel=GetDeviceCaps(hdcSrc,BITSPIXEL);

intnWidth=GetDeviceCaps(hdcSrc,HORZRES);

intnHeight=GetDeviceCaps(hdcSrc,VERTRES);

CImageimage;

(nWidth,nHeight,nBitPerPixel);

BitBlt((),0,0,nWidth,nHeight,hdcSrc,0,0,

SRCCOPY);

ReleaDC(NULL,hdcSrc);

eDC();

(L’’,

Gdiplus::ImageFormatPNG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatJPEG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatBMP);//ImageFormatBMP

system(’pau’);

return0;

}

#include

#include

#include//CImage

#pragmacomment(lib,’’)

intmain()

{

HDChdcSrc=GetDC(NULL);

intnBitPerPixel=GetDeviceCaps(hdcSrc,BITSPIXEL);

intnWidth=GetDeviceCaps(hdcSrc,HORZRES);

intnHeight=GetDeviceCaps(hdcSrc,VERTRES);

CImageimage;

(nWidth,nHeight,nBitPerPixel);

BitBlt((),0,0,nWidth,nHeight,hdcSrc,0,0,

SRCCOPY);

ReleaDC(NULL,hdcSrc);

eDC();

(L’’,

Gdiplus::ImageFormatPNG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatJPEG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatBMP);//ImageFormatBMP

system(’pau’);

return0;

}

//截取部分

#include

#include

#include//CImage

#pragmacomment(lib,’’)

structRect

{

intx;

inty;

intwidth;

intheight;

Rect(int_x,int_y,int_w,int_h)

:x(_x),y(_y),width(_w),height(_h){}

};

intmain()

{

HDChdcSrc=GetDC(NULL);

intnBitPerPixel=GetDeviceCaps(hdcSrc,BITSPIXEL);

intnWidth=GetDeviceCaps(hdcSrc,HORZRES);

intnHeight=GetDeviceCaps(hdcSrc,VERTRES);

Rectrect(100,100,800,600);

CImageimage;

(,,nBitPerPixel);

/*!

BOOLBitBlt(HDChdc,intx,inty,intcx,intcy,HDChdcSrc,

intx1,inty1,DWORDrop);

hdc:目标hdc

x:目标矩形左上角的逻辑x坐标

y:目标矩形左上角的逻辑y坐标

cx:源矩形和目标矩形的宽度

cy:源矩形和目标矩形的高度

hdcSrc:源设备上下文句柄

x1:源矩形左上角的x坐标（以逻辑单位表示）。

x2:源矩形左上角的y坐标（以逻辑单位表示）。

rop:

*/

BitBlt((),0,0,nWidth,nHeight,hdcSrc,rect.x,

rect.y,SRCCOPY);

ReleaDC(NULL,hdcSrc);

eDC();

(L’’,

Gdiplus::ImageFormatPNG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatJPEG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatBMP);//ImageFormatBMP

//system(’pau’);

return0;

}

#include

#include

#include//CImage

#pragmacomment(lib,’’)

structRect

{

intx;

inty;

intwidth;

intheight;

Rect(int_x,int_y,int_w,int_h)

:x(_x),y(_y),width(_w),height(_h){}

};

intmain()

{

HDChdcSrc=GetDC(NULL);

intnBitPerPixel=GetDeviceCaps(hdcSrc,BITSPIXEL);

intnWidth=GetDeviceCaps(hdcSrc,HORZRES);

intnHeight=GetDeviceCaps(hdcSrc,VERTRES);

Rectrect(100,100,800,600);

CImageimage;

(,,nBitPerPixel);

/*!

BOOLBitBlt(HDChdc,intx,inty,intcx,intcy,HDChdcSrc,

intx1,inty1,DWORDrop);

hdc:目标hdc

x:目标矩形左上角的逻辑x坐标

y:目标矩形左上角的逻辑y坐标

cx:源矩形和目标矩形的宽度

cy:源矩形和目标矩形的高度

hdcSrc:源设备上下文句柄

x1:源矩形左上角的x坐标（以逻辑单位表示）。

x2:源矩形左上角的y坐标（以逻辑单位表示）。

rop:

*/

BitBlt((),0,0,nWidth,nHeight,hdcSrc,rect.x,

rect.y,SRCCOPY);

ReleaDC(NULL,hdcSrc);

eDC();

(L’’,

Gdiplus::ImageFormatPNG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatJPEG);//ImageFormatJPEG

(L’’,

Gdiplus::ImageFormatBMP);//ImageFormatBMP

//system(’pau’);

return0;

}