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Skysnake

[RESOLVED] Gravatar display on GUI

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Hello

So I thought it would be cool to use my Gravatar account to display my gravatar in a local GUI.

I use this code:

#cs ----------------------------------------------------------------------------

    AutoIt Version: 3.3.14.2
    Author:         Skysnake

    Script Function:
    Example to download avatar from Gravatar and display locally

#ce ----------------------------------------------------------------------------

; Script Start
; includes
#include <Crypt.au3>

#include <InetConstants.au3>
#include <MsgBoxConstants.au3>
#include <WinAPIFiles.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <WinAPI.au3>

; declare Global vars
Global $md5GraMail = '' ; will store email for Grvatar request request



GravatarLogin()

GetAvatar()

Func GravatarLogin()
    ; get the email required for downloading the Gravatar

    Local $sGraMail = InputBox("Get Gravatar", "What is your email registered with Gravatar?", "someone@somewhere.com", "", -1, -1, 0, 0)

    ; from http://en.gravatar.com/site/implement/hash/
    ; make the hash
    ;  Local $dHash = _Crypt_HashData(GUICtrlRead($g_idInputEdit), $g_iAlgorithm) ; Create a hash of the text entered
    $md5GraMail = _Crypt_HashData(StringLower(StringStripWS($sGraMail, 8)), $CALG_MD5)
    ; lose the left two '0x' chars and convert to lower case
    $md5GraMail = StringLower(StringTrimLeft($md5GraMail, 2))

    ; Display the result.
    MsgBox($MB_SYSTEMMODAL, "", $sGraMail & @CRLF & "md5 " & $md5GraMail, 15)
EndFunc   ;==>GravatarLogin



; example from Help file: /html/functions/InetGet.htm

; Download a file in the background.
; Wait for the download to complete.

Func GetAvatar()
    ; Save the downloaded file to the temporary folder.
    Local $sFilePath = _WinAPI_GetTempFileName(@TempDir)

    ; from http://en.gravatar.com/site/implement/images/
    ; <img src="https://www.gravatar.com/avatar/205e460b479e2e5b48aec07710c08d50" />

    ; Download the file in the background with the selected option of 'force a reload from the remote site.'
    ; the next THREE options are alternatives
    ; Gravatar sample from here http://en.gravatar.com/site/implement/images/
    ; 1
    ;Local $hDownload = InetGet("https://www.gravatar.com/avatar/205e460b479e2e5b48aec07710c08d50", $sFilePath, $INET_FORCERELOAD, $INET_DOWNLOADBACKGROUND)

    ;   the normal code, should show user avatar
    ; 2
    Local $hDownload = InetGet("https://www.gravatar.com/avatar/" & $md5GraMail & "?d=retro", $sFilePath, $INET_FORCERELOAD, $INET_DOWNLOADBACKGROUND)

    ; my email hardcoded, downloads, but does not show avatar
    ; 3
    ;Local $hDownload = InetGet("https://www.gravatar.com/avatar/cac637b47c9fecc8aa1dcdf71e7a4cc8", $sFilePath, $INET_FORCERELOAD, $INET_DOWNLOADBACKGROUND)

    ; Wait for the download to complete by monitoring when the 2nd index value of InetGetInfo returns True.
    Do
        Sleep(250)
    Until InetGetInfo($hDownload, $INET_DOWNLOADCOMPLETE)

    ; Retrieve the number of total bytes received and the filesize.
    Local $iBytesSize = InetGetInfo($hDownload, $INET_DOWNLOADREAD)
    Local $iFileSize = FileGetSize($sFilePath)

    ; Close the handle returned by InetGet.
    InetClose($hDownload)

    ; Display details about the total number of bytes read and the filesize.
    MsgBox($MB_SYSTEMMODAL, "", "The total download size: " & $iBytesSize & @CRLF & _
            "The total filesize: " & $iFileSize, 1)

    Local $MyGravatar = @ScriptDir & "\Gravatar.jpg"
    FileCopy($sFilePath, $MyGravatar)


    MsgBox(0, "Now showing!", $MyGravatar, 5)


    ; make gui and show file
    GUICreate("My Gravatar in a GUI " & $MyGravatar, 350, 300, -1, -1, $WS_SIZEBOX + $WS_SYSMENU) ; will create a dialog box that when displayed is centered

    Local $idPic = GUICtrlCreatePic($MyGravatar, 50, 50, 80, 80)

    GUISetState(@SW_SHOW)



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

        EndSwitch
    WEnd

    ;FileDelete($MyGravatar)
    ;   Delete the file.
    FileDelete($sFilePath)
EndFunc   ;==>GetAvatar

Now, here is the issue.

If I use the example from the Gravatar site, located here:

http://en.gravatar.com/site/implement/images/

Then this code  205e460b479e2e5b48aec07710c08d50  downloads this pic  205e460b479e2e5b48aec07710c08d50 (not me) :)

AND it displays correctly. :)

 

PROBLEM

However, If I download my own Gravatar, I see the image in the @Script folder, BUT IT DOES NOT DISPLAY.  The same with the retro image.  To be clear, this image  Skysnake  downloads, but is not displayed. :(

 

I guess it has something to do with the format of my gravatar. Or that the display funtion GUICtrlCreatePic() does not like my gravatar.

I would be grateful if someone would be willing to test this and may offer a suggestion or two... 

Skysnake

 

Edited by Skysnake

Skysnake

Why is the snake in the sky?

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Thank you for the comment.  That may very well be true.  I will check.  However, why does the retro image not display? :( Its also a .PNG :( 

And BTW, except for right clicking in this Forum, how would you detect the format?

I was being naive in thinking Gravatar would convert the uploaded image to bmp/jpg/gif on download...

Thanks for the reply.

Skysnake

Edited by Skysnake

Skysnake

Why is the snake in the sky?

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You would need to read the file extension using something like

If StringRight($Filepath, 4) = ".jpg" Then do something..

Alternatively you could use GDIPlus functions which supports png format, see post by UEZ

 

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Here is the script that works. PNGs converted to BMP.  BMPs also get converted to BMP with some loss of quality, but that is a matter for a different day.  

Thank you.

Working script:

#cs ----------------------------------------------------------------------------

    AutoIt Version: 3.3.14.2
    Author:         Skysnake

    Script Function:
    Example to download avatar from Gravatar and display locally

#ce ----------------------------------------------------------------------------

; Script Start
; includes
#include <Crypt.au3>

#include <InetConstants.au3>
#include <MsgBoxConstants.au3>
#include <WinAPIFiles.au3>
#include <GUIConstantsEx.au3>
#include <WindowsConstants.au3>
#include <WinAPI.au3>
#include <gdiplus.au3>
#include <memory.au3>
#include <staticconstants.au3>


; declare Global vars
Global $md5GraMail = '' ; will store email for Grvatar request request



GravatarLogin()

GetAvatar()

Func GravatarLogin()
    ; get the email required for downloading the Gravatar

    Local $sGraMail = InputBox("Get Gravatar", "What is your email registered with Gravatar?", "someone@somewhere.com", "", -1, -1, 0, 0)

    ; from http://en.gravatar.com/site/implement/hash/
    ; make the hash
    ;  Local $dHash = _Crypt_HashData(GUICtrlRead($g_idInputEdit), $g_iAlgorithm) ; Create a hash of the text entered
    $md5GraMail = _Crypt_HashData(StringLower(StringStripWS($sGraMail, 8)), $CALG_MD5)
    ; lose the left two '0x' chars and convert to lower case
    $md5GraMail = StringLower(StringTrimLeft($md5GraMail, 2))

    ; Display the result.
    MsgBox($MB_SYSTEMMODAL, "", $sGraMail & @CRLF & "md5 " & $md5GraMail, 15)
EndFunc   ;==>GravatarLogin



; example from Help file: /html/functions/InetGet.htm

; Download a file in the background.
; Wait for the download to complete.

Func GetAvatar()
    ; Save the downloaded file to the temporary folder.
    Local $sFilePath = _WinAPI_GetTempFileName(@TempDir)

    ; from http://en.gravatar.com/site/implement/images/
    ; <img src="https://www.gravatar.com/avatar/205e460b479e2e5b48aec07710c08d50" />

    ; Download the file in the background with the selected option of 'force a reload from the remote site.'
    ; the next THREE options are alternatives
    ; Gravatar sample from here http://en.gravatar.com/site/implement/images/
    ; 1
    ;Local $hDownload = InetGet("https://www.gravatar.com/avatar/205e460b479e2e5b48aec07710c08d50", $sFilePath, $INET_FORCERELOAD, $INET_DOWNLOADBACKGROUND)

    ;   the normal code, should show user avatar
    ; 2
    Local $hDownload = InetGet("https://www.gravatar.com/avatar/" & $md5GraMail & "?d=retro", $sFilePath, $INET_FORCERELOAD, $INET_DOWNLOADBACKGROUND)

    ; my email hardcoded, downloads, but does not show avatar
    ; 3
    ;Local $hDownload = InetGet("https://www.gravatar.com/avatar/cac637b47c9fecc8aa1dcdf71e7a4cc8", $sFilePath, $INET_FORCERELOAD, $INET_DOWNLOADBACKGROUND)

    ; Wait for the download to complete by monitoring when the 2nd index value of InetGetInfo returns True.
    Do
        Sleep(250)
    Until InetGetInfo($hDownload, $INET_DOWNLOADCOMPLETE)

    ; Retrieve the number of total bytes received and the filesize.
    Local $iBytesSize = InetGetInfo($hDownload, $INET_DOWNLOADREAD)
    Local $iFileSize = FileGetSize($sFilePath)

    ; Close the handle returned by InetGet.
    InetClose($hDownload)

    ; Display details about the total number of bytes read and the filesize.
    MsgBox($MB_SYSTEMMODAL, "", "The total download size: " & $iBytesSize & @CRLF & _
            "The total filesize: " & $iFileSize, 1)

    Local $sMyGravatar = @ScriptDir & "\Gravatar.png"
    FileCopy($sFilePath, $sMyGravatar)

    ConvertGavatarBMP($sMyGravatar)


    MsgBox(0, "Now showing!", "MyGravatar", 5)


    ; make gui and show file
    GUICreate("My Gravatar in a GUI MyGravatar", 350, 300, -1, -1, $WS_SIZEBOX + $WS_SYSMENU) ; will create a dialog box that when displayed is centered

    Local $idPic = GUICtrlCreatePic(@ScriptDir & "\mygravatar.bmp", 50, 50, 80, 80)

    GUISetState(@SW_SHOW)



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

        EndSwitch
    WEnd

    FileDelete($sMyGravatar)
    FileDelete(@ScriptDir & "\mygravatar.bmp")
    ;   Delete the file.
    FileDelete($sFilePath)
EndFunc   ;==>GetAvatar



Func ConvertGavatarBMP($MyGravatar)
    If Not _GDIPlus_Startup() Or @extended < 6 Then
        MsgBox($MB_SYSTEMMODAL, "ERROR", "GDIPlus.dll v1.1 not available")
        Return
    EndIf

    $sFile = $MyGravatar

    Local $hImage = _GDIPlus_ImageLoadFromFile($sFile)

    Local $iWidth = 600
    Local $iHeight = _GDIPlus_ImageGetHeight($hImage) * 600 / _GDIPlus_ImageGetWidth($hImage)

    ;Local $hGui = GUICreate("GDI+ v1.1 (" & @ScriptName & ")", $iWidth, $iHeight)
    Local $hGui = GUICreate(@ScriptDir & "\mygravatar.bmp", $iWidth, $iHeight)
    Local $hGraphics = _GDIPlus_GraphicsCreateFromHWND($hGui)
    GUISetState(@SW_SHOW)

    ;Convert to a 16-color bitmap (4 bits per pixel) using FixedHalftone27 dithering
    Local $tPalette = _GDIPlus_PaletteInitialize(16, $GDIP_PaletteTypeFixedHalftone27, 16, False, $hImage)
    _GDIPlus_BitmapConvertFormat($hImage, $GDIP_PXF04INDEXED, $GDIP_DitherTypeDualSpiral8x8, $GDIP_PaletteTypeFixedHalftone27, $tPalette)

    _GDIPlus_GraphicsDrawImageRect($hGraphics, $hImage, 0, 0, $iWidth, $iHeight)



    Do
    Until GUIGetMsg() = $GUI_EVENT_CLOSE

    _GDIPlus_ImageSaveToFile($hImage, @ScriptDir & "\mygravatar.bmp")
    _GDIPlus_ImageDispose($hImage)
    _GDIPlus_GraphicsDispose($hGraphics)
    _GDIPlus_Shutdown()
EndFunc   ;==>ConvertGavatarBMP

Skysnake


Skysnake

Why is the snake in the sky?

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