Save the screen as an image Save the current MFC program as an image C ++ VC

Save the screen as an image and use vs2008 for compilation.

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2. # Include "stdafx. H"
4. # Include <windows. h>
6. # Include <atlimage. h>
10. Int _ stdcall winmain (
12. Hinstance,
14. Hinstance hprevinstance,
16. Lpstr lpcmdline,
18. Int nshowcmd)
20. {
22. Hwnd =: getdomaintopwindow ();
24. HDC =: getdc (hwnd); // obtain the screen DC
28. Rect;
30. : Getclientrect (hwnd, & rect );// Obtain the screen size
32. HDC hdcmem =: createcompatibledc (HDC); // create compatible DC
36. Hbitmap =: createcompatiblebitmap (HDC, rect. Right, rect. Bottom); // create a compatible bitmap
38. Hbitmap holdmap = (hbitmap): SelectObject (hdcmem, hbitmap); // select the bitmap into the DC and save the returned value.
42. : Bitblt (hdcmem, 0, 0, rect. Right, rect. Bottom, HDC, 0, 0, srccopy );// Copy the DC image of the screen to the memory DC
46. Cimage image;
48. Image. Attach (hbitmap );
50. Image. Save (_ T ("C: \ B .jpg"); // if the file suffix is .bmp, save it as BMP.
52. Image. Detach ();
56. : SelectObject (hdcmem, holdmap );// Select the last returned value
60. // Release
62. : Deleteobject (hbitmap );
64. : Deletedc (hdcmem );
66. : Deletedc (HDC );
70. Return 0;
72. }

# Include "stdafx. H "# include <windows. h> # include <atlimage. h> int _ stdcall winmain (hinstance, hinstance hprevinstance, lpstr lpcmdline, int nshowcmd) {hwnd =: get1_topwindow (); HDC =: getdc (hwnd ); // obtain the screen DC rect;: getclientrect (hwnd, & rect); // obtain the screen size HDC hdcmem =: createcompatibledc (HDC ); // create compatible DC hbitmap =: createcompatiblebitmap (HDC, rect. right, rect. bottom); // create a compatible bitmap hbitmap holdmap = (hbitmap): SelectObject (hdcmem, hbitmap); // select the bitmap into the DC and save the returned value: bitblt (hdcmem, 0, 0, rect. right, rect. bottom, HDC, 0, 0, srccopy); // copy the DC image to the memory DC. attach (hbitmap); image. save (_ T ("C: \ B .jpg"); // if the file suffix is .bmp, save it as a BMP image. detach ();: SelectObject (hdcmem, holdmap); // select the last returned value // release: deleteobject (hbitmap);: deletedc (hdcmem );:: deletedc (HDC); Return 0 ;}

Set the current MFCProgram(Here is a single document program) Save as an image, use vs2005. The first one uses the cimage class to save the image, and the second one uses bitmapinfo.

Save the screen as an image Save the current MFC program as an image C ++ VC Favorites

Save the screen as an image and use vs2008 for compilation.

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2. # Include "stdafx. H"
4. # Include <windows. h>
6. # Include <atlimage. h>
10. Int _ stdcall winmain (
12. Hinstance,
14. Hinstance hprevinstance,
16. Lpstr lpcmdline,
18. Int nshowcmd)
20. {
22. Hwnd =: getdomaintopwindow ();
24. HDC =: getdc (hwnd); // obtain the screen DC
28. Rect;
30. : Getclientrect (hwnd, & rect );// Obtain the screen size
32. HDC hdcmem =: createcompatibledc (HDC); // create compatible DC
36. Hbitmap =: createcompatiblebitmap (HDC, rect. Right, rect. Bottom); // create a compatible bitmap
38. Hbitmap holdmap = (hbitmap): SelectObject (hdcmem, hbitmap); // select the bitmap into the DC and save the returned value.
42. : Bitblt (hdcmem, 0, 0, rect. Right, rect. Bottom, HDC, 0, 0, srccopy );// Copy the DC image of the screen to the memory DC
46. Cimage image;
48. Image. Attach (hbitmap );
50. Image. Save (_ T ("C: \ B .jpg"); // if the file suffix is .bmp, save it as BMP.
52. Image. Detach ();
56. : SelectObject (hdcmem, holdmap );// Select the last returned value
60. // Release
62. : Deleteobject (hbitmap );
64. : Deletedc (hdcmem );
66. : Deletedc (HDC );
70. Return 0;
72. }

# Include "stdafx. H "# include <windows. h> # include <atlimage. h> int _ stdcall winmain (hinstance, hinstance hprevinstance, lpstr lpcmdline, int nshowcmd) {hwnd =: get1_topwindow (); HDC =: getdc (hwnd ); // obtain the screen DC rect;: getclientrect (hwnd, & rect); // obtain the screen size HDC hdcmem =: createcompatibledc (HDC ); // create compatible DC hbitmap =: createcompatiblebitmap (HDC, rect. right, rect. bottom); // create a compatible bitmap hbitmap holdmap = (hbitmap): SelectObject (hdcmem, hbitmap); // select the bitmap into the DC and save the returned value: bitblt (hdcmem, 0, 0, rect. right, rect. bottom, HDC, 0, 0, srccopy); // copy the DC image to the memory DC. attach (hbitmap); image. save (_ T ("C: \ B .jpg"); // if the file suffix is .bmp, save it as a BMP image. detach ();: SelectObject (hdcmem, holdmap); // select the last returned value // release: deleteobject (hbitmap);: deletedc (hdcmem );:: deletedc (HDC); Return 0 ;}

Save the current MFC Program (here is a single document program) as an image and use vs2005. The first one uses the cimage class to save the image, and the second one uses bitmapinfo.

First:

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2. Void cmainframe: ongetmap ()
4. {
8. Hwnd = This-> getsafehwnd ();
10. HDC =: getwindowdc (hwnd); // obtain the DC
16. Rect;
18. : Getwindowrect (hwnd, & rect );// Obtain the screen size
20. HDC hdcmem =: createcompatibledc (HDC); // create compatible DC
24. Hbitmap =: createcompatiblebitmap (HDC, rect. right-rect.left, rect. bottom-rect.top); // create compatible bitmap
26. Hbitmap holdmap = (hbitmap): SelectObject (hdcmem, hbitmap); // select the bitmap into the DC and save the returned value.
30. : Bitblt (hdcmem, 0, 0, rect. right-rect.left, rect. bottom-rect.top, HDC, 0, 0, srccopy );// Copy the DC image of the screen to the memory DC
34. Cimage image;// Required # include <atlimage. h>
36. Image. Attach (hbitmap );
38. Image. Save (_ T ("C: \ B .jpg"); // if the file suffix is .bmp, save it as BMP.
40. Image. Detach ();
44. : SelectObject (hdcmem, holdmap );// Select the last returned value
48. // Release
50. : Deleteobject (hbitmap );
52. : Deletedc (hdcmem );
54. : Deletedc (HDC );
56. }

Void cmainframe: ongetmap () {hwnd = This-> getsafehwnd (); HDC =:: getwindowdc (hwnd); // obtain DC rect ;:: getwindowrect (hwnd, & rect); // obtain the screen size HDC hdcmem =: createcompatibledc (HDC); // create compatible DC hbitmap =: createcompatiblebitmap (HDC, rect. right-rect.left, rect. bottom-rect.top); // create compatible bitmap hbitmap holdmap = (hbitmap): SelectObject (hdcmem, hbitmap); // select the bitmap to DC and save the returned value: bitblt (hdcmem, 0, 0, rect. right-rect.left, rect. bottom-rect.top, HDC, 0, 0, srccopy); // copy the screen DC image to the memory DC cimage image; // need # include <atlimage. h> image. attach (hbitmap); image. save (_ T ("C: \ B .jpg"); // if the file suffix is .bmp, save it as a BMP image. detach ();: SelectObject (hdcmem, holdmap); // select the last returned value // release: deleteobject (hbitmap);: deletedc (hdcmem );:: deletedc (HDC );}

Second:

2. Void cmainframe: ongetmap ()
4. {
8. CDC * PDC = getwindowdc ();
10. Cbitmap bitmap;
12. CDC memdc;
14. Crect rect;
16. Getwindowrect (rect );
18. Memdc. createcompatibledc (PDC );
22. Bitmap. createcompatiblebitmap (PDC, rect. Width (), rect. Height ());
24. Memdc. SelectObject (& Bitmap );
26. Memdc. bitblt (0, 0, rect. Width (), rect. Height (), PDC, 0, srccopy );
30. Cfiledialog fdlg (false, _ T ("BMP"), null, ofn_hidereadonly | ofn_overwriteprompt, _ T ("bitmap file | *. BMP"), this );
32. If (fdlg. domodal () = idok)
34. {
38. Cstring BMP file = fdlg. getpathname ();
42. Cfile file (BMP file, cfile: modecreate | cfile: modewrite );
46. Bitmap binfo;
48. Bitmap. getbitmap (& binfo );
52. // Calculate the palette size
54. Int panelsize = 0;
56. If (binfo. bmbitspixel <24) // non-real color
58. {
60. Panelsize = POW ((Double) 2, binfo. bmbitspixel) * sizeof (rgbquad );
62. }
66. // Define bitmap Information
68. Bitmapinfo * bmapinfo = (bitmapinfo *) localalloc (lptr,Sizeof (bitmapinfo) + panelsize );
70. Bmapinfo-> bmiheader. bibitcount = binfo. bmbitspixel;
72. Bmapinfo-> bmiheader. biclrimportant = 0;
74. Bmapinfo-> bmiheader. bicompression = 0;
76. Bmapinfo-> bmiheader. biheight = binfo. bmheight;
78. Bmapinfo-> bmiheader. biplanes = binfo. bmplanes;
80. Bmapinfo-> bmiheader. bisize =Sizeof (bitmapinfo );
82. Bmapinfo-> bmiheader. bisizeimage = binfo. bmheight * binfo. bmwidthbytes;
84. Bmapinfo-> bmiheader. biwidth = binfo. bmwidth;
86. Bmapinfo-> bmiheader. bixpelspermeter = 0;
88. Bmapinfo-> bmiheader. biypelspermeter = 0;
92. // Obtain the actual bitmap data
94. Char * pdata = new char [bmapinfo-> bmiheader. bisizeimage];
96. Int Len = getdibits (PDC-> m_hdc, bitmap, 0, binfo. bmheight, pdata, bmapinfo, dib_rgb_colors );
100. Bitmapfileheader bfileheader;
102. Bfileheader. bftype = 0x4d42;
104. Bfileheader. bfreserved1 = 0;
106. Bfileheader. bfreserved2 = 0;
108. Bfileheader. bfsize =Sizeof (bitmapfileheader );
110. Bfileheader. bfoffbits =Sizeof (bitmapfileheader) + sizeof (bitmapinfoheader) + panelsize;
114. // Write bitmap data to the file
116. File. Write (& bfileheader,Sizeof (bitmapfileheader ));
118. File. Write (& bmapinfo-> bmiheader,Sizeof (bitmapinfoheader ));
120. File. Write (pdata, bmapinfo-> bmiheader. bisizeimage + panelsize );
122. File. Close ();
124. Delete pdata;
126. Localfree (bmapinfo );
128. }
130. Bitmap. deleteobject ();
132. Memdc. deletedc ();
136. }