qikpad.asm

这是一个数字图像处理的matlab仿真程序

        invoke MoveWindow,hEdit,0,tbh,wWid,wHgt,TRUE

    .elseif uMsg == WM_CLOSE
          invoke SendMessage,hEdit,EM_GETMODIFY,0,0
            .if eax == TRUE
              invoke Confirmation,hWin
                .if eax == IDYES
                  invoke SaveFile
                .elseif eax == IDCANCEL
                  mov eax, 0
                  ret
                .endif
            .endif

    .elseif uMsg == WM_DESTROY
        invoke PostQuitMessage,NULL
        return 0 
    .endif

    invoke DefWindowProc,hWin,uMsg,wParam,lParam

    ret

WndProc endp

; ########################################################################

TopXY proc wDim:DWORD, sDim:DWORD

    shr sDim, 1      ; divide screen dimension by 2
    shr wDim, 1      ; divide window dimension by 2
    mov eax, wDim    ; copy window dimension into eax
    sub sDim, eax    ; sub half win dimension from half screen dimension

    return sDim

TopXY endp

; ########################################################################

EditML proc szMsg:DWORD,tx:DWORD,ty:DWORD,wd:DWORD,ht:DWORD,
            hParent:DWORD,ID:DWORD,Wrap:DWORD

    LOCAL hCtl   :DWORD
    LOCAL hFnt   :DWORD
    LOCAL eStyle :DWORD

    szText CtlStyle,"EDIT"

    mov eStyle, WS_VISIBLE or WS_CHILDWINDOW or \
                WS_VSCROLL or ES_NOHIDESEL or \
                ES_AUTOVSCROLL or ES_MULTILINE

    .if Wrap == 0
      or eStyle,WS_HSCROLL or ES_AUTOHSCROLL
    .endif

    invoke CreateWindowEx,WS_EX_CLIENTEDGE,ADDR CtlStyle,szMsg,
                          eStyle,tx,ty,wd,ht,hParent,ID,hInstance,NULL
    mov hCtl, eax

    invoke GetStockObject,SYSTEM_FIXED_FONT
    mov hFnt, eax
    invoke SendMessage,hCtl,WM_SETFONT,hFnt,TRUE

    mov eax, hCtl

    ret

EditML endp

; ########################################################################

Read_File_In proc lpszDiskFile:DWORD, hEditControl:DWORD

    LOCAL hFile :DWORD
    LOCAL hMem$ :DWORD
    LOCAL ln    :DWORD
    LOCAL br    :DWORD
    LOCAL txtBuffer[64]:BYTE

    invoke CreateFile,lpszDiskFile,GENERIC_READ,FILE_SHARE_READ,
                       NULL,OPEN_EXISTING,FILE_ATTRIBUTE_NORMAL,NULL
    mov hFile, eax

    invoke GetFileSize,hFile,NULL
    mov ln, eax

    .if ln > 32767
      invoke CloseHandle,hFile
      szText tooBig,"Sorry, file is too large for QIKPAD"
      invoke MessageBox,hWnd,ADDR tooBig,ADDR szDisplayName,MB_OK
      xor eax, eax
      ret
    .endif

    invoke SysAllocStringByteLen,0,ln
    mov hMem$, eax

    invoke ReadFile,hFile,hMem$,ln,ADDR br,NULL
    invoke SetWindowText,hEditControl,hMem$

    invoke SysFreeString,hMem$
    invoke CloseHandle,hFile

    invoke lnstr,ADDR szOpenedAt
    inc eax
    invoke MemCopy,ADDR szOpenedAt,ADDR txtBuffer,eax

    invoke dwtoa,ln,ADDR sizeBuffer
    invoke lstrcat,ADDR txtBuffer,ADDR sizeBuffer
    invoke lstrcat,ADDR txtBuffer,ADDR bytes

    invoke SendMessage,hStatus,SB_SETTEXT,2,ADDR txtBuffer

    ret

Read_File_In endp

; ########################################################################

Confirmation proc hMain:DWORD

    szText ConfirmMsg,"File not saved, save it now ?"
    invoke MessageBox,hMain,ADDR ConfirmMsg,ADDR szDisplayName,
                            MB_YESNOCANCEL or MB_ICONQUESTION

    ret

Confirmation endp

; ######################################################################## 

Write_2_Disk proc lpszFile_Name:DWORD

    LOCAL ln    :DWORD
    LOCAL hMem$ :DWORD
    LOCAL hFile :DWORD
    LOCAL bw    :DWORD
    LOCAL txtBuffer[64]

  ; -----------------------------------------
  ; truncate file to zero length if it exists
  ; -----------------------------------------
    invoke CreateFile,lpszFile_Name,    ; pointer to name of the file
            GENERIC_WRITE,              ; access (read-write) mode
            NULL,                       ; share mode
            NULL,                       ; pointer to security attributes
            CREATE_ALWAYS,              ; how to create
            FILE_ATTRIBUTE_NORMAL,      ; file attributes
            NULL

    mov hFile,eax

    invoke GetWindowTextLength,hEdit
    mov ln, eax
    inc ln

    invoke SysAllocStringByteLen,0,ln
    mov hMem$, eax

    invoke GetWindowText,hEdit,hMem$,ln

    invoke WriteFile,hFile,hMem$,ln,ADDR bw,NULL

    invoke SysFreeString,hMem$
    invoke CloseHandle,hFile

    invoke SendMessage,hEdit,EM_SETMODIFY,FALSE,0

    invoke lnstr,ADDR szSavedAt
    inc eax
    invoke MemCopy,ADDR szSavedAt,ADDR txtBuffer,eax

    invoke dwtoa,ln,ADDR sizeBuffer
    invoke lstrcat,ADDR txtBuffer,ADDR sizeBuffer
    invoke lstrcat,ADDR txtBuffer,ADDR bytes

    invoke SendMessage,hStatus,SB_SETTEXT,2,ADDR txtBuffer

    ret

Write_2_Disk endp

; ########################################################################

SaveFileAs proc

    jmp @F
      szTitleS   db "Save file as",0
      szFilterS  db "All files",0,"*.*",0,
                    "Text files",0,"*.TEXT",0,0
    @@:

    invoke FillBuffer,ADDR szFileName,length szFileName,0
    invoke SaveFileName,hWnd,ADDR szTitleS,ADDR szFilterS

    cmp szFileName[0],0   ;<< zero if cancel pressed in dlgbox
    je @F
       invoke Write_2_Disk,ADDR szFileName
       invoke SetWindowText,hWnd,ADDR szFileName
    @@:

    ret

SaveFileAs endp

; #########################################################################

SaveFile proc

    LOCAL buffer[128]:BYTE

  ; ---------------------------
  ; test if title is "Untitled"
  ; ---------------------------
    invoke GetWindowText,hWnd,ADDR buffer,128

    invoke lstrcmp,ADDR buffer,ADDR szUntitled
      .if eax == 0
        invoke SaveFileAs
        ret
      .endif

    invoke Write_2_Disk,ADDR buffer

    ret

SaveFile endp

; #########################################################################

WordWrap proc

    LOCAL mFlag:DWORD
    LOCAL ln   :DWORD
    LOCAL hMem$:DWORD

    invoke SendMessage,hEdit,EM_GETMODIFY,0,0
    mov mFlag, eax

    invoke GetWindowTextLength,hEdit
    mov ln, eax
    inc ln

    invoke SysAllocStringByteLen,0,ln
    mov hMem$, eax
    invoke GetWindowText,hEdit,hMem$,ln

    invoke DestroyWindow,hEdit

    .if WrapFlag == 0
      mov WrapFlag, 1
        szText WrapON," Wrap ON"
        invoke SendMessage,hStatus,SB_SETTEXT,1,ADDR WrapON
    .elseif WrapFlag == 1
      mov WrapFlag, 0
        szText WrapOFF," Wrap OFF"
        invoke SendMessage,hStatus,SB_SETTEXT,1,ADDR WrapOFF
    .endif

    invoke EditML,NULL,0,30,300,200,hWnd,700,WrapFlag
    mov hEdit, eax

    invoke SetWindowLong,hEdit,GWL_WNDPROC,EditProc
    mov lpEditProc, eax

    invoke SendMessage,hWnd,WM_SIZE,0,0

    invoke SetWindowText,hEdit,hMem$
    invoke SysFreeString,hMem$

    invoke SendMessage,hEdit,EM_SETMODIFY,mFlag,0

    invoke SetFocus,hEdit

    ret

WordWrap endp

; #########################################################################

EditProc proc hCtl   :DWORD,
              uMsg   :DWORD,
              wParam :DWORD,
              lParam :DWORD

    .if uMsg == WM_KEYUP
      .if wParam == VK_F1
        invoke About
      .elseif wParam == VK_F9
        invoke WordWrap
      .elseif wParam == VK_ESCAPE
        invoke SendMessage,hWnd,WM_SYSCOMMAND,SC_CLOSE,NULL
        return 0
      .endif
    .endif

    invoke CallWindowProc,lpEditProc,hCtl,uMsg,wParam,lParam

    ret

EditProc endp

; #########################################################################

About proc

    szText AboutMsg,"QikPad Text Editor",13,10,\
    "Copyright