Windows Interface Programming 13th bitmap display special effects

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For Windows interface programming, the bitmap display special effect series directory is as follows:

1. The ninth part of Windows Interface Programming: bitmap display effect staggered

Http://blog.csdn.net/morewindows/article/details/8696720

2. Windows Interface Programming Article 10 bitmap display special effect blinds

Http://blog.csdn.net/morewindows/article/details/8696722

3. Windows Interface Programming 11th special bitmap display random block effects

Http://blog.csdn.net/morewindows/article/details/8696724

4. Windows Interface Programming 12th bitmap display special effects fly into effect and stretch Effect

Http://blog.csdn.net/morewindows/article/details/8696726

5. Windows Interface Programming 13th bitmap display special effects collection

Http://blog.csdn.net/morewindows/article/details/8696730

 

The previous four articles have introduced the cross effect, shutter effect, random block effect, flying effect and stretching Effect of Bitmap. The following uses a program to demonstrate these effects. Here is the main code (see: http://download.csdn.net/detail/morewindows/5177047 ). Dragacceptfiles in the code can refer to the Windows Interface Programming Article 7 file drag (drag and drop files) (http://blog.csdn.net/morewindows/article/details/8634451), mainly in order to drag the bitmap file into the window.

Lresult callback wndproc (hwnd, uint message, wparam, lparam) {static int s_nshow; static HDC s_hdcmem; static int s_nwidth, s_nheight; Switch (Message) {Case wm_create: {dragacceptfiles (hwnd, true); // load the bitmap hbitmap; hbitmap = (hbitmap) LoadImage (null, "107.bmp", image_bitmap, 0, 0, lr_loadfromfile | lr_createdibsection ); if (hbitmap = NULL) {MessageBox (hwnd, "LoadImage failed ", "Error", mb_iconerror); exit (0);} // bitmap hdchdc HDC = getdc (hwnd); s_hdcmem = createcompatibledc (HDC); SelectObject (s_hdcmem, hbitmap ); releasedc (hwnd, HDC); // calculate the bitmap width and height. Bitmap bm; GetObject (hbitmap, sizeof (BM), & BM); s_nwidth = BM. bmwidth; s_nheight = BM. bmheight; s_nshow = 0;} return 0; Case wm_keydown: Switch (wparam) {Case vk_escape: // exit sendmessage (hwnd, wm_destroy, 0, 0) when the ESC key is pressed ); return 0;} break; Case Wm_paint: {HDC; paintstruct pS; HDC = beginpaint (hwnd, & PS); Switch (s_nshow) {Case 0: bitblt (HDC, 0, 0, s_nwidth, s_nheight, s_hdcmem, 0, 0, srccopy); break; // horizontal staggered Case 1: animatedraw_staggeredhorizontal (HDC, s_hdcmem, s_nwidth, s_nheight); break; // vertical staggered Case 2: animatedraw_staggeredvertical (HDC, s_hdcmem, s_nwidth, s_nheight); break; // horizontal shutter Case 3: animatedraw_jalousiehorizontal (HDC, s_hdcmem, s_nwidt H, s_nheight); break; // vertical shutter case 4: blind (HDC, s_hdcmem, s_nwidth, s_nheight); break; // random block case 5: animatedraw_randomblocks (HDC, s_hdcmem, s_nwidth, s_nheight); break; // fly from top to bottom case 6: animatedraw_flyingtoptobottom (HDC, s_hdcmem, s_nwidth, s_nheight, 2, false); break; // fly in from bottom to top case 7: animatedraw_flyingbottomtotop (HDC, s_hdcmem, s_nwidth, s_nheight, 2, false); break; // fly in from left to right case 8: round (HDC, s_hdcmem, s_nwidth, s_nheight, 2, false); break; // fly from right to left case 9: animatedraw_flyingrighttoleft (HDC, s_hdcmem, s_nwidth, s_nheight, 2, false); break; // stretch top-down case 10: animatedraw_flyingtoptobottom (HDC, s_hdcmem, s_nwidth, s_nheight); break; // stretch bottom-up case 11: animatedraw_flyingbottomtotop (HDC, s_hdcmem, s_nwidth, s_nheight); break; // stretch from left to right case 12: animatedraw_flyingl Efttoright (HDC, s_hdcmem, s_nwidth, s_nheight); break; // stretch from right to left Case 13: histogram (HDC, s_hdcmem, s_nwidth, s_nheight); break;} If (s_nshow! = 0) {s_nshow = 0; invalidaterect (hwnd, null, false);} endpaint (hwnd, & PS);} return 0; Case wm_command: If (loword (wparam)> = 40001 & loword (wparam) <= 40013) {s_nshow = loword (wparam)-40000; invalidaterect (hwnd, null, true); Return 0;} break; // drag the third step dragqueryfile and dragqueryfilecase wm_dropfiles: {hdrop = (hdrop) wparam; uint nfilenum = dragqueryfile (hdrop, 0 xffffffff, null, 0 ); // The number of drag files char strfilename [max_path]; dragqueryfile (hdrop, 0, strfilename, max_path); // obtain the drag file name dragfinish (hdrop ); // release hdropdeletedc (s_hdcmem); // load the bitmap hbitmap; hbitmap = (hbitmap) LoadImage (null, strfilename, image_bitmap, 0, 0, lr_loadfromfile | lr_createdibsection ); // bitmap hdchdc HDC = getdc (hwnd); s_hdcmem = createcompatibledc (HDC); SelectObject (s_hdcmem, hbitmap); releasedc (hwnd, HDC ); // calculate bitmap bm; GetObject (hbitmap, sizeof (BM), & BM); s_nwidth = BM. bmwidth; s_nheight = BM. bmheight; invalidaterect (hwnd, null, true);} return 0; Case wm_destroy: deletedc (s_hdcmem); postquitmessage (0); Return 0;} return defwindowproc (hwnd, message, wparam, lparam );}

Below is a display of the program (the picture cannot be opened, please visit the http://blog.csdn.net/morewindows/article/details/8696730 ).

For more display effects, refer to the examples in the previous staggered effect, Louver effect, random block effect, flying effect and stretching effect blog.

This article supporting procedures: http://download.csdn.net/detail/morewindows/5177047

Reprinted please indicate the source, original address: http://blog.csdn.net/morewindows/article/details/8696730

Welcome to Weibo: http://weibo.com/MoreWindows