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📄 control.bas

📁 Powerbasic 对GDI 的操作 很漂亮的代码!
💻 BAS
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' Warning each overlay object must have a unique identifier
%ID_TEXT_HELL0     = 1 ' Text overlay
%ID_TEXT_GREAT     = 2 ' Text overlay
%ID_TEXT_WATERMARK = 3 ' Text overlay
%ID_RECT_1         = 4 ' Rectangle overlay

' WinXP Theme support declares (if applicable)
DECLARE FUNCTION EnableDialogTheme(BYVAL hDlg AS DWORD, BYVAL dwStyle AS DWORD) AS LONG
DECLARE FUNCTION IsThemeActive() AS LONG

GLOBAL ghRegion AS LONG, ghLayered AS LONG

FUNCTION zDefaultFont() AS LONG
    STATIC hDefault&
    IF hDefault& = 0 THEN hDefault& = GetStockObject(%ANSI_VAR_FONT)
    FUNCTION = hDefault&
END FUNCTION

SUB zSetCTLFont(BYVAL hCTRL&, BYVAL hFont&)
    CALL SendMessage(hCTRL&, %WM_SETFONT, hFont&, 0)
END SUB

FUNCTION WinMain (BYVAL hInstance     AS LONG, _
                  BYVAL hPrevInstance AS LONG, _
                  BYVAL lpCmdLine     AS ASCIIZ PTR, _
                  BYVAL iCmdShow      AS LONG) AS LONG

    LOCAL Msg         AS tagMsg
    LOCAL wc          AS WndClassEx
    LOCAL zClass      AS ASCIIZ * 80
    LOCAL dwExStyle   AS DWORD
    LOCAL dwStyle     AS DWORD
    LOCAL rc          AS RECT
    LOCAL x           AS LONG
    LOCAL y           AS LONG
    LOCAL Done        AS LONG
    LOCAL hMutex      AS DWORD
    LOCAL hFound      AS DWORD
    LOCAL hMain       AS LONG
    LOCAL hBitmap     AS LONG
    LOCAL hImage      AS LONG
    LOCAL bmW         AS LONG
    LOCAL bmH         AS LONG
'
    LOCAl hWinXP_Lib           AS LONG ' Handle to WinXP Theme DLL
    LOCAL hWinXP_IsThemeActive AS LONG ' Handle to WinXP's IsThemeActive function
'
    zClass = "ZMAIN"
'
    hMutex = CreateMutex(BYVAL %Null, 0, zClass)
    IF hMutex THEN
       IF GetLastError = %ERROR_ALREADY_EXISTS THEN
          DO
             hFound = FindWindow(zClass, ""): IF hFound THEN EXIT DO
             WHILE PeekMessage(Msg, %NULL, %NULL, %NULL, %PM_REMOVE): WEND
          LOOP
          IF IsIconic(hFound) THEN CALL ShowWindow(hFound, %SW_RESTORE)
          CALL SetForeGroundWindow(hFound)
          FUNCTION = 0
          EXIT FUNCTION
       END IF
    END IF
'
    IsInitialized& = GetClassInfoEx(zInstance, zClass, wc)
    IF IsInitialized&   = 0 THEN
       wc.cbSize        = SIZEOF(wc)
       wc.style         = %CS_HREDRAW OR %CS_VREDRAW
       wc.lpfnWndProc   = CODEPTR(WndProc)
       wc.cbClsExtra    = 0
       wc.cbWndExtra    = 0
       wc.hInstance     = zInstance
       wc.hIcon         = LoadIcon(wc.hInstance, "PROGRAM")
       wc.hCursor       = LoadCursor(%NULL, BYVAL %IDC_ARROW)
       wc.hbrBackground = %NULL ' GetStockObject(%BLACK_BRUSH)
       wc.lpszMenuName  = %NULL
       wc.lpszClassName = VARPTR(zClass)
       wc.hIconSm       = wc.hIcon
       IF RegisterClassEx(wc) THEN IsInitialized& = %TRUE
    END IF
'
    IF IsInitialized& THEN

     ' ************************************************************************************
     ' Load the GDImage.dll
       IF RegisterGDImageClass() = 0 THEN
          FUNCTION = 99:  EXIT FUNCTION ' If it fails to register then return ERROR = 99
       END IF
     ' ************************************************************************************

     ' Load the WinXP Theme support (if applicable)
       hWinXP_Lib = LoadLibrary("UxTheme.dll")
       IF hWinXP_Lib THEN
          hWinXP_IsThemeActive = GetProcAddress(hWinXP_Lib, "IsThemeActive")
       END IF
'
       CALL InitCommonControls
'
     ' Window Extended Style
       dwExStyle = %WS_EX_APPWINDOW OR %WS_EX_WINDOWEDGE
     ' Windows Style
       dwStyle = %WS_CLIPSIBLINGS OR %WS_CLIPCHILDREN OR %WS_CAPTION OR _
                 %WS_SYSMENU ' OR %WS_MAXIMIZEBOX OR %WS_MINIMIZEBOX
'
       CALL SetRect(rc, 0, 0, 740, 550)
       CALL AdjustWindowRectEx(rc, dwStyle, %FALSE, dwExStyle)  ' Adjust Window To True Requested Size
'
       x = MAX&((GetSystemMetrics(%SM_CXSCREEN) - rc.nRight - rc.nLeft) \ 2, 0)
       y = MAX&((GetSystemMetrics(%SM_CYSCREEN) - rc.nBottom - rc.nTop) \ 2, 0)
'
     ' Create The Window
       MyTitle$ = "GDImage control " + ZI_Version
       hMain = CreateWindowEx(dwExStyle, _            ' Extended Style For The Window
                             zClass, _                ' Class Name
                             (MyTitle$), _            ' Window Title
                             dwStyle OR _             ' Defined Window Style
                             %WS_CLIPSIBLINGS OR _    ' Required Window Style
                             %WS_CLIPCHILDREN, _      ' Required Window Style
                             x, y, _                  ' Window Position
                             rc.nRight - rc.nLeft, _  ' Calculate Window Width
                             rc.nBottom - rc.nTop, _  ' Calculate Window Height
                             %NULL, _                 ' No Parent Window
                             %NULL, _                 ' No Menu
                             wc.hInstance, _          ' Instance
                             BYVAL %NULL)             ' Dont Pass Anything To WM_CREATE
'
       IF hMain THEN
'
        ' Apply WinXP Theme support
          LOCAL lRes AS LONG, pProc AS DWORD
          IF hWinXP_IsThemeActive THEN
             CALL DWORD hWinXP_IsThemeActive USING IsThemeActive TO lRes
             IF lRes  THEN pProc = GetProcAddress(lRes, "EnableThemeDialogTexture")
             IF pProc THEN CALL DWORD pProc USING EnableDialogTheme(hMain, &H01 Or &H02 Or &H04 Or &H06)
          END IF
'
        ' Create button "Load Image"
          CALL CreateWindowEx(0, "BUTTON", "Load Image", %WS_CHILD OR %WS_VISIBLE OR %WS_TABSTOP, _
                           740 - (10 + 150 + 6), 10 + 150 + 10, 152, 22, hMain, %ID_NEWIMAGE, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_NEWIMAGE), zDefaultFont)

        ' Create button "Save Image AS"
          CALL CreateWindowEx(0, "BUTTON", "Save Image AS", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 1, 152, 22, hMain, %ID_SAVE, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_SAVE), zDefaultFont)

        ' Create button "Copy to clipboard"
          CALL CreateWindowEx(0, "BUTTON", "Copy to clipboard", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 2, 152, 22, hMain, %ID_COPY, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_COPY), zDefaultFont)

        ' Create button "Paste from clipboard"
          CALL CreateWindowEx(0, "BUTTON", "Paste from clipboard", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 3, 152, 22, hMain, %ID_PASTE, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_PASTE), zDefaultFont)

        ' Create button "Show/Hide popup region"
          CALL CreateWindowEx(0, "BUTTON", "Show/Hide popup region", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 4, 152, 22, hMain, %ID_REGION, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_REGION), zDefaultFont)

        ' Create button "Show/Hide watermark"
          CALL CreateWindowEx(0, "BUTTON", "Show/Hide watermark", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 5, 152, 22, hMain, %ID_WATERMARK, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_WATERMARK), zDefaultFont)

        ' Create button "Show/Hide layered window"
          CALL CreateWindowEx(0, "BUTTON", "Show/Hide LayeredWindow", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 6, 152, 22, hMain, %ID_LAYERED, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_LAYERED), zDefaultFont)

        ' Create button "Show/Hide 3DIN rectangle"
          CALL CreateWindowEx(0, "BUTTON", "Show/Hide 3DIN rectangle", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 7, 152, 22, hMain, %ID_RECTANGLE, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_RECTANGLE), zDefaultFont)

        ' Create button "Animate Text"
          CALL CreateWindowEx(0, "BUTTON", "Animate Text", %WS_CHILD OR %WS_VISIBLE, _
                           740 - (10 + 150 + 6), 10 + 150 + 10 + (22 + 5)* 8, 152, 22, hMain, %ID_ANIMATETEXT, zInstance, BYVAL %NULL)
          CALL zSetCTLFont(GetDlgItem(hMain, %ID_ANIMATETEXT), zDefaultFont)

        ' ******************************************************************************
        ' Helper function to create A GDImage control (with automatic scrollbar support)
        ' ------------------------------------------------------------------------------
          CALL ZI_CreateWindow(hMain, 10, 10, 740 - (10 + 10 + 150 + 10 + 10), 550 - (10 * 2), %ID_CTRL)
          CALL ZI_SetProperty(GetDlgItem(hMain, %ID_CTRL), %ZI_GradientTop, &hFFFFFF)'RGB(0,32,64))
          CALL ZI_SetProperty(GetDlgItem(hMain, %ID_CTRL), %ZI_GradientBottom, &hFFFFFF)'RGB(0,128,200))
          CALL ZI_SetFromFile(GetDlgItem(hMain, %ID_CTRL), "avalon.jpg")
        ' ******************************************************************************

        ' ******************************************************************************
        ' Alternate methode to create a GDImage control
        ' ------------------------------------------------------------------------------
          Style& = %WS_CHILD OR %WS_VISIBLE OR %WS_BORDER
          StyleEx& = 0 ' %WS_EX_STATICEDGE
          CALL CreateWindowEx(StyleEx&, _
                             "ZIMAGECTRL", _          ' GDImage class name
                             "", _                    ' Optional full path name to picture
                             Style&, _                ' window style
                             740 - (10 + 150 + 6), _  ' initial x position
                             10, _                    ' initial y position
                             150, _                   ' Calculate Window Width
                             150, _                   ' Calculate Window Height
                             hMain, _                 ' parent window handle
                             %ID_THUMBCTRL, _         ' ControlID
                             zInstance, _             ' program instance handle

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