récupérer la taille (x et y) d'un fichier image *.pngRésolu

Question

Bonjour tous le monde !

je voudrais savoir comment r&#233;cup&#233;rer la taille (x et y) d'un fichier image *.png 
y'a pas une API ? 

Merci!

Prog1001 · Accepted Answer

j'y est pens&#233;, mais je peut pas uiliser de picturebox et en +, la picturebox ne supporte pas le format png 

mais on a trouv&#233; la soluce :
on a extrait la taille en exd&#233;cimal du fichier png :

Public Type Type_Position
    X As Long
    Y As Long
End Type


Public Function XYFile(Path As String) As Type_Position
Dim MyStr As String


Open Path For Binary As #1
    MyStr = Input(16, #1)
    MyStr = Input(13, #1)
    XYFile.X = CLng(OtherFormatOfStr(StrReverse(Left(MyStr, 4))))
    XYFile.Y = CLng(OtherFormatOfStr(StrReverse(Mid(MyStr, 5, 4))))
Close #1
End Function


Private Function StrToBit(B As Integer) As String
    Dim MyStr As String
    Dim i As Integer
    
    MyStr = "00000000"
    
    For i = 7 To 0 Step -1
        If (B / (2 ^ i)) >= 1 Then
            B = B - (2 ^ i)
            Mid(MyStr, 8 - i, 1) = "1"
        End If
    Next i
    
    StrToBit = MyStr
End Function


Private Function BitToStr(MyStr As String, Pos As Integer) As String
    Dim Tabl(8) As Currency
    Dim i As Integer
    Dim A As String
    Dim B As Currency
    
    B = 0
    Tabl(0) = 2 ^ (Pos * 8)
    
    For i = 1 To 7
        Tabl(i) = Tabl(i - 1) * 2
    Next i


    For i = 1 To 8
        A = Mid(MyStr, i, 1)        If A 1 Then B B + Tabl(8 - i)
    Next i
    
    BitToStr = B
End Function


Private Function OtherFormatOfStr(StrEnter As String) As String
Dim i As Integer
Dim B As Integer
Dim MyStr As String
Dim Sort As Currency


For i = Len(StrEnter) To 1 Step -1
    MyStr = Mid(StrEnter, i, 1)
    B = Asc(MyStr)
    Sort = Sort + Val(BitToStr(StrToBit(B), i - 1))
Next i


OtherFormatOfStr = Sort
End Function

  *-- Mkin--*

MaxSoldier · Answer

Si c'est vraiment urgent, tu place une pictureBox en autosize et invisible et tu charge l'image dedans.

T'auras juste a faire :

Dim iX as integer

Dim iY as integer



iX = picPng.width

iY = picPng.height

-=Ar$&#163;nik=-

MaxSoldier · Answer

Autant pour moi


Si tu peux, d&#233;pose ta source apr&#232;s l'avoiur fini, sa va aider beaucoup de gens 

-=Ar$&#163;nik=-