En español. Descarga programas libres y Open-Source. Añade tu programa a la librería de Scripts en Autoit.es
http://autoit.es/
Código: Seleccionar todo
#include <GDIPlus.au3>
#include <WinAPI.au3>
#include <WindowsConstants.au3>
#include <GuiConstantsEx.au3>
; ==============================================================================================
; Description ...: Shows how to create an alpha blended form
; Author ........: Paul Campbell (PaulIA)
; Notes .........: The images used for this demo MUST be 32 bpp with alpha channel
; Credits .......: Thanks to lod3n for supplying links to the technical documentation that was necessar
; ==============================================================================================
; ==============================================================================================
; Global constants
; ==============================================================================================
Global Const $AC_SRC_ALPHA = 1
; ==============================================================================================
; Global variables
; ==============================================================================================
Global $hGUI1, $hGUI2, $iLabel1, $iLabel2, $iSlider, $hImage
; Create GUI
$hGUI1 = GUICreate("Alpha Blend", 400, 100)
$iLabel1 = GUICtrlCreateLabel("Adjust slider to change opacity level: (0-255)", 84, 10, 380, 20)
$iSlider = GUICtrlCreateSlider(10, 32, 380, 40)
$iLabel2 = GUICtrlCreateLabel("Drag the layered window around your desktop", 80, 74, 380, 20)
GUICtrlSetLimit($iSlider, 255, 0)
GUICtrlSetData($iSlider, 255)
GUISetState()
; Create layered child window
$hGUI2 = GUICreate("Test", 250, 250, -1, -1, -1, $WS_EX_LAYERED, $hGUI1)
; Load layered image
_GDIPlus_Startup()
$hImage = _GDIPlus_ImageLoadFromFile(@ScriptDir & "\Images\Button.png")
;~ $hImage = _GDIPlus_ImageLoadFromFile(@ScriptDir & "\Images\Torus.png")
SetBitMap($hGUI2, $hImage, 255)
GUISetState()
; Register notification messages
GUIRegisterMsg($WM_HSCROLL, "WM_HSCROLL")
GUIRegisterMsg($WM_NCHITTEST, "WM_NCHITTEST")
; Loop until user exits
Do
Until GUIGetMsg() = $GUI_EVENT_CLOSE
; Release resources
_GDIPlus_ImageDispose($hImage)
_GDIPlus_Shutdown()
; ==============================================================================================
; Handle the WM_HSCROLL notificaton so that we can change the opacity in real time
; ==============================================================================================
Func WM_HSCROLL($hWnd, $iMsg, $iwParam, $ilParam)
#forceref $hWnd, $iMsg, $iwParam, $ilParam
SetBitMap($hGUI2, $hImage, GUICtrlRead($iSlider))
EndFunc ;==>WM_HSCROLL
; ==============================================================================================
; Handle the WM_NCHITTEST for the layered window so it can be dragged by clicking anywhere o
; ==============================================================================================
Func WM_NCHITTEST($hWnd, $iMsg, $iwParam, $ilParam)
#forceref $hWnd, $iMsg, $iwParam, $ilParam
If ($hWnd = $hGUI2) And ($iMsg = $WM_NCHITTEST) Then Return $HTCAPTION
EndFunc ;==>WM_NCHITTEST
; ==============================================================================================
; SetBitMap
; ==============================================================================================
Func SetBitmap($hGUI, $hImage, $iOpacity)
Local $hScrDC, $hMemDC, $hBitmap, $hOld, $pSize, $tSize, $pSource, $tSource, $pBlend, $tBlen
$hScrDC = _WinAPI_GetDC(0)
$hMemDC = _WinAPI_CreateCompatibleDC($hScrDC)
$hBitmap = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hImage)
$hOld = _WinAPI_SelectObject($hMemDC, $hBitmap)
$tSize = DllStructCreate($tagSIZE)
$pSize = DllStructGetPtr($tSize)
DllStructSetData($tSize, "X", _GDIPlus_ImageGetWidth($hImage))
DllStructSetData($tSize, "Y", _GDIPlus_ImageGetHeight($hImage))
$tSource = DllStructCreate($tagPOINT)
$pSource = DllStructGetPtr($tSource)
$tBlend = DllStructCreate($tagBLENDFUNCTION)
$pBlend = DllStructGetPtr($tBlend)
DllStructSetData($tBlend, "Alpha", $iOpacity)
DllStructSetData($tBlend, "Format", $AC_SRC_ALPHA)
_WinAPI_UpdateLayeredWindow($hGUI, $hScrDC, 0, $pSize, $hMemDC, $pSource, 0, $pBlend,
_WinAPI_ReleaseDC(0, $hScrDC)
_WinAPI_SelectObject($hMemDC, $hOld)
_WinAPI_DeleteObject($hBitmap)
_WinAPI_DeleteDC($hMemDC)
EndFunc ;==>SetBitmapCódigo: Seleccionar todo
$hImage = _GDIPlus_ImageLoadFromFile(@ScriptDir & "\Images\Button.png")