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gruntydatsun

PNG in GUI

8 posts in this topic

Is it possible to display a PNG file in an AutoIT GUI?

I was trying to use GUICtrlCreatePic but it only supports JPG, GIF and BMP.

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It's possible, just a quick search of the help file and you will find Zedna's example >> http://www.autoitscript.com/autoit3/docs/functions/GUICtrlCreatePic.htm


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Updated: 04/09/2015

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Thanks Guiness. I ended up using Imagemagick Convert.exe to change it to a bitmap and just used the standard GUICtrlCreatePic

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#4 ·  Posted (edited)

It is possible to display a PNG image in a pic control using GDI+.

Example:

;coded by UEZ 2011
#include <GUIConstantsEx.au3>
#include <GDIPlus.au3>

Global Const $IMAGE_BITMAP = 0
Global Const $STM_SETIMAGE = 0x0172
Global $msg
Global Const $hGUI = GUICreate("Display PNG Image in picture control", 600, 250)
Global Const $idPic = GUICtrlCreatePic("", 215, 20)
_GDIPlus_Startup()
Global Const $png = StringReplace(@AutoItExe, "autoit3.exe", "ExamplesGUITorus.png")
Global Const $hImage = _GDIPlus_ImageLoadFromFile($png)
Global Const $Bmp = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hImage)
_WinAPI_DeleteObject(GUICtrlSendMsg($idPic, $STM_SETIMAGE, $IMAGE_BITMAP, $Bmp))
GUISetState()

While True
    $msg = GUIGetMsg()
    Switch $msg
        Case $idPic
            MsgBox(0, "Information", "PNG image was clicked")
        Case $GUI_EVENT_CLOSE
            _WinAPI_DeleteObject($Bmp)
            _GDIPlus_ImageDispose($hImage)
            _GDIPlus_Shutdown()
            GUIDelete($hGUI)
            Exit
    EndSwitch
WEnd

This example is using the png picture from the ExamplesGUI folder and displays it in a picture control.

Br,

UEZ

Edited by UEZ
1 person likes this

Please don't send me any personal message and ask for support! I will not reply!

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¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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It is possible to display a PNG image in a pic control using GDI+.

Example:

;coded by UEZ 2011
#include <GUIConstantsEx.au3>
#include <GDIPlus.au3>

Global Const $IMAGE_BITMAP = 0
Global Const $STM_SETIMAGE = 0x0172
Global $msg
Global Const $hGUI = GUICreate("Display PNG Image in picture control", 600, 250)
Global Const $idPic = GUICtrlCreatePic("", 215, 20)
_GDIPlus_Startup()
Global Const $png = StringReplace(@AutoItExe, "autoit3.exe", "ExamplesGUITorus.png")
Global Const $hImage = _GDIPlus_ImageLoadFromFile($png)
Global Const $Bmp = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hImage)
_WinAPI_DeleteObject(GUICtrlSendMsg($idPic, $STM_SETIMAGE, $IMAGE_BITMAP, $Bmp))
GUISetState()

While True
    $msg = GUIGetMsg()
    Switch $msg
        Case $idPic
            MsgBox(0, "Information", "PNG image was clicked")
        Case $GUI_EVENT_CLOSE
            _WinAPI_DeleteObject($Bmp)
            _GDIPlus_ImageDispose($hImage)
            _GDIPlus_Shutdown()
            GUIDelete($hGUI)
            Exit
    EndSwitch
WEnd

This example is using the png picture from the ExamplesGUI folder and displays it in a picture control.

Br,

UEZ

i want to display PNG Image from source web with inetget

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#6 ·  Posted (edited)

Try this then:

;coded by UEZ 2011
#include <guiconstantsex.au3>
#include <gdiplus.au3>
#Include <memory.au3>

_GDIPlus_Startup()
Global Const $IMAGE_BITMAP = 0
Global Const $STM_SETIMAGE = 0x0172
Global $msg
Global Const $hBmp = Load_BMP_From_Mem(InetRead("http://www.autoitscript.com/forum/public/style_images/autoit/logo.png"), True) ;to load an image from the net
Global Const $hBitmap = _GDIPlus_BitmapCreateFromHBITMAP($hBmp)
Global Const $iWidth = _GDIPlus_ImageGetWidth($hBitmap)
Global Const $iHeight = _GDIPlus_ImageGetHeight($hBitmap)
Global Const $hGUI = GUICreate("Display PNG Image in picture control", $iWidth, $iHeight)
Global Const $idPic = GUICtrlCreatePic("", 0, 0, $iWidth, $iHeight)
_WinAPI_DeleteObject(GUICtrlSendMsg($idPic, $STM_SETIMAGE, $IMAGE_BITMAP, $hBmp))
GUISetState()

While True
    $msg = GUIGetMsg()
    Switch $msg
        Case $idPic
            MsgBox(0, "Information", "PNG image was clicked")
        Case $GUI_EVENT_CLOSE
            _WinAPI_DeleteObject($hBmp)
            _GDIPlus_BitmapDispose($hBitmap)
            _GDIPlus_Shutdown()
            GUIDelete($hGUI)
            Exit
    EndSwitch
WEnd

;======================================================================================
; Function Name:    Load_BMP_From_Mem
; Description:          Loads an image which is saved as a binary string and converts it to a bitmap or hbitmap
;
; Parameters:           $bImage:    the binary string which contains any valid image which is supported by GDI+
; Optional:                 $hHBITMAP:  if false a bitmap will be created, if true a hbitmap will be created
;
; Remark:                   hbitmap format is used generally for GUI internal images, $bitmap is more a GDI+ image format
;                               Don't forget _GDIPlus_Startup() and _GDIPlus_Shutdown()
;
; Requirement(s):       GDIPlus.au3, Memory.au3 and _GDIPlus_BitmapCreateDIBFromBitmap() from WinAPIEx.au3
; Return Value(s):  Success: handle to bitmap (GDI+ bitmap format) or hbitmap (WinAPI bitmap format),
;                               Error: 0
; Error codes:              1: $bImage is not a binary string
;                               2: unable to create stream on HGlobal
;                               3: unable to create bitmap from stream
;
; Author(s):                UEZ
; Additional Code:    thanks to progandy for the MemGlobalAlloc and tVARIANT lines and
;                               Yashied for _GDIPlus_BitmapCreateDIBFromBitmap() from WinAPIEx.au3
; Version:                  v0.97 Build 2012-04-10 Beta
;=======================================================================================
Func Load_BMP_From_Mem($bImage, $hHBITMAP = False)
    If Not IsBinary($bImage) Then Return SetError(1, 0, 0)
    Local $aResult
    Local Const $memBitmap = Binary($bImage) ;load image  saved in variable (memory) and convert it to binary
    Local Const $len = BinaryLen($memBitmap) ;get length of image
    Local Const $hData = _MemGlobalAlloc($len, $GMEM_MOVEABLE) ;allocates movable memory  ($GMEM_MOVEABLE = 0x0002)
    Local Const $pData = _MemGlobalLock($hData) ;translate the handle into a pointer
    Local $tMem = DllStructCreate("byte[" & $len & "]", $pData) ;create struct
    DllStructSetData($tMem, 1, $memBitmap) ;fill struct with image data
    _MemGlobalUnlock($hData) ;decrements the lock count  associated with a memory object that was allocated with GMEM_MOVEABLE
    $aResult = DllCall("ole32.dll", "int", "CreateStreamOnHGlobal", "handle", $pData, "int", True, "ptr*", 0) ;Creates a stream object that uses an HGLOBAL memory handle to store the stream contents
    If @error Then Return SetError(2, 0, 0)
    Local Const $hStream = $aResult[3]
    $aResult = DllCall($ghGDIPDll, "uint", "GdipCreateBitmapFromStream", "ptr", $hStream, "int*", 0) ;Creates a Bitmap object based on an IStream COM interface
    If @error Then Return SetError(3, 0, 0)
    Local Const $hBitmap = $aResult[2]
    Local $tVARIANT = DllStructCreate("word vt;word r1;word r2;word r3;ptr data; ptr")
    DllCall("oleaut32.dll", "long", "DispCallFunc", "ptr", $hStream, "dword", 8 + 8 * @AutoItX64, _
                                           "dword", 4, "dword", 23, "dword", 0, "ptr", 0, "ptr", 0, "ptr", DllStructGetPtr($tVARIANT)) ;release memory from $hStream to avoid memory leak
    $tMem = 0
    $tVARIANT = 0
    If $hHBITMAP Then
        Local Const $hHBmp = _GDIPlus_BitmapCreateDIBFromBitmap($hBitmap)
        _GDIPlus_BitmapDispose($hBitmap)
        Return $hHBmp
    EndIf
    Return $hBitmap
EndFunc   ;==>Load_BMP_From_Mem

Func _GDIPlus_BitmapCreateDIBFromBitmap($hBitmap)
    Local $tBIHDR, $Ret, $tData, $pBits, $hResult = 0
    $Ret = DllCall($ghGDIPDll, 'uint', 'GdipGetImageDimension', 'ptr', $hBitmap, 'float*', 0, 'float*', 0)
    If (@error) Or ($Ret[0]) Then Return 0
    $tData = _GDIPlus_BitmapLockBits($hBitmap, 0, 0, $Ret[2], $Ret[3], $GDIP_ILMREAD, $GDIP_PXF32ARGB)
    $pBits = DllStructGetData($tData, 'Scan0')
    If Not $pBits Then Return 0
    $tBIHDR = DllStructCreate('dword;long;long;ushort;ushort;dword;dword;long;long;dword;dword')
    DllStructSetData($tBIHDR, 1, DllStructGetSize($tBIHDR))
    DllStructSetData($tBIHDR, 2, $Ret[2])
    DllStructSetData($tBIHDR, 3, $Ret[3])
    DllStructSetData($tBIHDR, 4, 1)
    DllStructSetData($tBIHDR, 5, 32)
    DllStructSetData($tBIHDR, 6, 0)
    $hResult = DllCall('gdi32.dll', 'ptr', 'CreateDIBSection', 'hwnd', 0, 'ptr', DllStructGetPtr($tBIHDR), 'uint', 0, 'ptr*', 0, 'ptr', 0, 'dword', 0)
    If (Not @error) And ($hResult[0]) Then
        DllCall('gdi32.dll', 'dword', 'SetBitmapBits', 'ptr', $hResult[0], 'dword', $Ret[2] * $Ret[3] * 4, 'ptr', DllStructGetData($tData, 'Scan0'))
        $hResult = $hResult[0]
    Else
        $hResult = 0
    EndIf
    _GDIPlus_BitmapUnlockBits($hBitmap, $tData)
    Return $hResult
EndFunc   ;==>_GDIPlus_BitmapCreateDIBFromBitmap

Br,

UEZ

Edited by UEZ
2 people like this

Please don't send me any personal message and ask for support! I will not reply!

Selection of finest graphical examples at Codepen.io

The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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@UEZ

One (3) about _GDIPlus_BitmapCreateHBITMAPFromBitmap().

Thanks for the hint. It is very usefull!

Btw, I missed your post in the link you provided - what a shame...

Br,

UEZ


Please don't send me any personal message and ask for support! I will not reply!

Selection of finest graphical examples at Codepen.io

The own fart smells best!
Her 'sikim hıyar' diyene bir avuç tuz alıp koşma!
¯\_(ツ)_/¯  ٩(●̮̮̃•̃)۶ ٩(-̮̮̃-̃)۶ૐ

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