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Wonvy

List view display thumbnails

6 posts in this topic

I think in the listview display pictures like Windows resource manager like that

English is not useful software translation, don't mind,I myself find examples are ICONS list

Which experienced, give an example, thank you

post-64381-0-06080100-1303559724_thumb.j

post-64381-0-41049900-1303559843_thumb.j

On the right side of the rectangular frame to put pictures within thumbnails

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#2 ·  Posted (edited)

This might help you out on your projet :

#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#Include <File.au3>
#Include <EditConstants.au3>
#Include <Constants.au3>
#include <GuiListView.au3>
#include <GuiImageList.au3>
#include <GDIPlus.au3>
#include <WinAPI.au3>

Opt('MustDeclareVars', 1)

Global $sExtFilter = "bmp|gif|jpeg|jpg|png|tif|tiff"
Global $hGui, $Path, $BRowse, $LV, $Pic, $Msg
Global $hImageList, $sCur, $sLast, $iDX, $iPicState = 0, $DoubleClick = -1

$hGui = GUICreate("Image Viewer", 490, 620)
$Path = GUICtrlCreateInput("", 10, 10, 400, 20, $ES_READONLY)
$BRowse = GUICtrlCreateButton("Browse", 420, 10, 60, 20)
$LV = GUICtrlCreateListView("",  5, 40, 480, 575, -1, BitOr($WS_EX_CLIENTEDGE, $LVS_EX_DOUBLEBUFFER))
_GUICtrlListView_SetView($LV, 1)
_GUICtrlListView_SetIconSpacing($LV, 75, 60)
$Pic = GUICtrlCreatePic("", 200, 80, 440, 440)
GUISetState(@SW_SHOW)

GUIRegisterMsg($WM_NOTIFY, "WM_NOTIFY")

While 1
    $Msg = GUIGetMsg()
    Switch $Msg
        Case $GUI_EVENT_CLOSE
            Exit
        Case $Browse
            _Browse()
    EndSwitch
WEnd

Func _Browse()
    Local $FSF, $FL2A, $hBmp, $iCnt = 0
    $FSF = FileSelectFolder("Browse for folder containing pictures", "", "", $hGui)
    If Not @error And FileExists($FSF) Then
        If StringRight($FSF, 1) <> "\" Then $FSF &= "\"
        $FL2A = _FileListToArray($FSF, "*", 1)
        If Not @Error Then
            If IsPtr($hImageList) Then
                _GUICtrlListView_DeleteAllItems(GUICtrlGetHandle($LV))
                _GUiImageList_Destroy($hImageList)
                $hImageList = ""
                _hBmpToPicControl($Pic, $hBmp)
                GUICtrlSetImage($Pic, "")
                $iDX = -1
                $iPicState = 0
                $sCur = ""
                $sLast = ""
            EndIf
            $hImageList = _GUiImageList_Create(60, 60, 5, 3)
            _GUICtrlListView_SetImageList($LV, $hImageList, 0)
            For $i = 1 To $FL2A[0]
                If StringRegExp($FL2A[$i], "(?i)\.(" & $sExtFilter & ")", 0) Then
                    $hBmp = _GetImage($FSF & $FL2A[$i], 60)
                    _GUiImageList_Add($hImageList, $hBmp)
                    _WinAPI_DeleteObject($hBmp)
                    _GUICtrlListView_AddItem($LV, $FL2A[$i], $iCnt)
                    _GUICtrlListView_SetItemImage($LV, $iCnt, $iCnt)
                    $iCnt += 1
                EndIf
            Next
            GUICtrlSetData($Path, $FSF)
        EndIf
        WinSetTitle($hGui, "", "Images Found: " & $iCnt)
    EndIf
EndFunc

Func _GetImage($sFile, $iWH, $iBkClr = 0xFFFFFF)
    Local $hBmp1, $hBitmap, $hGraphic, $hImage, $iW, $iH, $aGS, $hBmp2
    _GDIPlus_Startup()
    $hBmp1 = _WinAPI_CreateBitmap($iWH, $iWH, 1, 32)
    $hBitmap = _GDIPlus_BitmapCreateFromHBITMAP($hBmp1)
    $hGraphic = _GDIPlus_ImageGetGraphicsContext($hBitmap)
    _WinAPI_DeleteObject($hBmp1)
    _GDIPlus_GraphicsClear($hGraphic, BitOR(0xFF000000, $iBkClr))
    $hImage = _GDIPlus_ImageLoadFromFile($sFile)
    $iW = _GDIPlus_ImageGetWidth($hImage)
    $iH = _GDIPlus_ImageGetHeight($hImage)
    $aGS = _GetScale($iW, $iH, $iWH)
    _GDIPlus_GraphicsDrawImageRect($hGraphic, $hImage, $aGS[0], $aGS[1], $aGS[2], $aGS[3])
    _GDIPlus_ImageDispose($hImage)
    _GDIPlus_GraphicsDispose($hGraphic)
    $hBmp2 = _GDIPlus_BitmapCreateHBITMAPFromBitmap($hBitmap)
    _GDIPlus_BitmapDispose($hBitmap)
    _GDIPlus_Shutdown()
    Return $hBmp2
EndFunc

Func _GetScale($iW, $iH, $iWH)
    Local $aRet[4]
    If $iW <= $iWH And $iH <= $iWH Then
        $aRet[2] = $iW
        $aRet[3] = $iH
        $aRet[0] = ($iWH - $aRet[2])/2
        $aRet[1] = ($iWH - $aRet[3])/2
    ElseIf $iW > $iH Then
        $aRet[2] = $iWH
        $aRet[3] = $iH/($iW/$iWH)
        $aRet[0] = 0
        $aRet[1] = ($iWH - $aRet[3])/2
    ElseIf $iW < $iH Then
        $aRet[2] = $iW/($iH/$iWH)
        $aRet[3] = $iWH
        $aRet[0] = ($iWH - $aRet[2])/2
        $aRet[1] = 0
    ElseIf $iW = $iH Then
        $aRet[2] = $iWH
        $aRet[3] = $iWH
        $aRet[0] = 0
        $aRet[1] = 0
    EndIf
    Return $aRet
EndFunc

Func _hBmpToPicControl($iCID, ByRef $hBmp, $iFlag = 0)
    Local Const $STM_SETIMAGE = 0x0172
    Local Const $IMAGE_BITMAP = 0
    Local $hOldBmp
    $hOldBmp = GUICtrlSendMsg($iCID, $STM_SETIMAGE, $IMAGE_BITMAP, $hBmp)
    If $hOldBmp Then _WinAPI_DeleteObject($hOldBmp)
    If $iFlag Then _WinAPI_DeleteObject($hBmp)
EndFunc

Func WM_NOTIFY($hWnd, $iMsg, $iwParam, $ilParam)
    Local $hWndFrom, $iIDFrom, $iCode, $tNMHDR, $hWndListView, $tInfo, $aIDX
    $hWndListView = GUICtrlGetHandle($LV)
    $tNMHDR = DllStructCreate('hwnd hWndFrom;int_ptr IDFrom;int Code', $ilParam)
    $hWndFrom = HWnd(DllStructGetData($tNMHDR, "hWndFrom"))
    $iIDFrom = DllStructGetData($tNMHDR, "IDFrom")
    $iCode = DllStructGetData($tNMHDR, "Code")
    Switch $hWndFrom
        Case $hWndListView
            Switch $iCode
                Case $NM_CLICK
                    $iDX = _GUICtrlListView_GetNextItem($hWndListView)
                Case $NM_DBLCLK
                    $DoubleClick = _GUICtrlListView_GetNextItem($hWndListView)
                Case $LVN_KEYDOWN
                    $tInfo = DllStructCreate('hwnd hWndFrom;int_ptr IDFrom;int Code;int_ptr VKey;int Flags', $ilParam)
                    Switch BitAnd(DllStructGetData($tInfo, "VKey"), 0xFFFF)
                        Case $VK_UP
                            $iDX = _GUICtrlListView_GetNextItem($hWndListView) -1
                            If $iDX < 0 Then $iDX = 0
                        Case $VK_DOWN
                            $iDX = _GUICtrlListView_GetNextItem($hWndListView) + 1
                            If $iDX >= _GUICtrlListView_GetItemCount($hWndListView) Then $iDX -= 1
                    EndSwitch
            EndSwitch
    EndSwitch
    Return $GUI_RUNDEFMSG
EndFunc
Edited by Jayson

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Nice Example Jayson!


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Updated: 04/09/2015

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Both useful and instructive. Thanks. Too bad it's not under Examples, where people could locate it more easily.

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Thank you, could not speak English

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