Function Reference


_GDIPlus_BitmapCreateFromFile

Create a Bitmap object from file

#include <GDIPlus.au3>
_GDIPlus_BitmapCreateFromFile ( $sFileName )

Parameters

$sFileName Path to a bitmap file

Return Value

Success: a handle to a Bitmap object.
Failure: 0 and sets the @error flag to non-zero, @extended may contain GPSTATUS error code ($GPID_ERR*).

Remarks

When you are done with the Bitmap object, call _GDIPlus_BitmapDispose() to release the resources.

Related

_GDIPlus_BitmapDispose, _WinAPI_DeleteObject

See Also

Search GdipCreateBitmapFromFile in MSDN Library.

Example

Example 1

#include <GDIPlus.au3>
#include <GUIConstantsEx.au3>
#include <ScreenCapture.au3>

Example()

Func Example()
    Local $hGUI, $hBMP, $hBitmap, $hGraphic, $hImage, $iX, $iY, $hClone

    ; Create GUI
    $hGUI = GUICreate("GDI+", 400, 300)
    GUISetState(@SW_SHOW)

    ; Initialize GDI+ library
    _GDIPlus_Startup()

    ; Capture 32 bit bitmap
    $hBMP = _ScreenCapture_Capture("")
    $hImage = _GDIPlus_BitmapCreateFromHBITMAP($hBMP)

    ; Create 24 bit bitmap clone
    $iX = _GDIPlus_ImageGetWidth($hImage)
    $iY = _GDIPlus_ImageGetHeight($hImage)
    $hClone = _GDIPlus_BitmapCloneArea($hImage, 0, 0, $iX, $iY, $GDIP_PXF24RGB)

    ; Save bitmap to file
    _GDIPlus_ImageSaveToFile($hClone, @MyDocumentsDir & "\GDIPlus_Image.bmp")

    ; Clean up resources
    _GDIPlus_BitmapDispose($hClone)
    _GDIPlus_BitmapDispose($hImage)
    _WinAPI_DeleteObject($hBMP)

    ; Draw bitmap to GUI
    $hBitmap = _GDIPlus_BitmapCreateFromFile(@MyDocumentsDir & "\GDIPlus_Image.bmp")
    $hGraphic = _GDIPlus_GraphicsCreateFromHWND($hGUI)
    _GDIPlus_GraphicsDrawImage($hGraphic, $hBitmap, 0, 0)

    ; Clean up resources
    _GDIPlus_GraphicsDispose($hGraphic)
    _GDIPlus_BitmapDispose($hBitmap)

    ; Shut down GDI+ library
    _GDIPlus_Shutdown()

    ; Loop until the user exits.
    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE
EndFunc   ;==>Example

Example 2

; PNG work around by UEZ

#include <GDIPlus.au3>

#include <GUIConstantsEx.au3>
#include <StaticConstants.au3>

; Create GUI
Local $hMainGUI = GUICreate("Show PNG", 210, 210)

_GUICtrlPic_Create("..\GUI\Torus.png", 10, 10);, 100, 100)

GUISetState(@SW_SHOW)

; Loop until the user exits.
While 1
    Switch GUIGetMsg()
        Case $GUI_EVENT_CLOSE
            ExitLoop

    EndSwitch
WEnd

; #INTERNAL_USE_ONLY#=================================================================================================
; Name...........: _GUICtrlPic_Create
; Description ...: Creates a Picture control for the GUI
; Syntax ........: _GUICtrlPic_Create($sFilename, $iLeft, $iTop, $iWidth, $iHeight, $iStyle = -1 , $iExStyle = -1)
; Parameters ....: $sFilename - Path of image file
; Author ........: UEZ
; Modified.......: Melba23, guinness, jpm
; Remarks .......: PNG image can be used.
; ====================================================================================================================
Func _GUICtrlPic_Create($sFilename, $iLeft, $iTop, $iWidth = -1, $iHeight = -1, $iStyle = -1, $iExStyle = -1)
    _GDIPlus_Startup()
    Local $idPic = GUICtrlCreatePic("", $iLeft, $iTop, $iWidth, $iHeight, $iStyle, $iExStyle)
    Local $hBitmap = _GDIPlus_BitmapCreateFromFile($sFilename)
    If $iWidth = -1 Then $iWidth = _GDIPlus_ImageGetWidth($hBitmap)
    If $iHeight = -1 Then $iHeight = _GDIPlus_ImageGetHeight($hBitmap)
    Local $hBitmap_Resized = _GDIPlus_BitmapCreateFromScan0($iWidth, $iHeight)
    Local $hBMP_Ctxt = _GDIPlus_ImageGetGraphicsContext($hBitmap_Resized)
    _GDIPlus_GraphicsSetInterpolationMode($hBMP_Ctxt, $GDIP_INTERPOLATIONMODE_HIGHQUALITYBICUBIC)
    _GDIPlus_GraphicsDrawImageRect($hBMP_Ctxt, $hBitmap, 0, 0, $iWidth, $iHeight)
    Local $hHBitmap = _GDIPlus_BitmapCreateDIBFromBitmap($hBitmap_Resized)
    Local $hPrevImage = GUICtrlSendMsg($idPic, $STM_SETIMAGE, 0, $hHBitmap) ; $STM_SETIMAGE = 0x0172
    _WinAPI_DeleteObject($hPrevImage); Delete Prev image if any
    _GDIPlus_BitmapDispose($hBitmap)
    _GDIPlus_BitmapDispose($hBitmap_Resized)
    _GDIPlus_GraphicsDispose($hBMP_Ctxt)
    _WinAPI_DeleteObject($hHBitmap)
    _GDIPlus_Shutdown()

    Return $idPic
EndFunc   ;==>_GUICtrlPic_Create