La Fuerza abraza los Jedi y todo el Universo !
Library "libMagickWand-6.Q16:2.0.0" ' Podeis usar tambien la libreria "libMagickWand:5.0.0" !!!
Public Struct PixelWand
id As Long
name[4096] As Byte
exception As Pointer
pixel As Integer
count As Long
debug_ As Boolean
signature As Long
End Struct
Private Enum MagickFalse = 0, MagickTrue
' void MagickWandGenesis(void)
' Initializes the MagickWand environment.
Private Extern MagickWandGenesis()
' MagickWand *NewMagickWand(void)
' Returns a wand required for all other methods in the API.
Private Extern NewMagickWand() As Pointer
' MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename)
' Reads an image or image sequence.
Private Extern MagickReadImage(wand As Pointer, filename As String) As Boolean
' PixelWand *NewPixelWand(void)
' Returns a new pixel wand.
Private Extern NewPixelWand() As PixelWand
' void PixelSetRed(PixelWand *wand, const double red)
' Sets the normalized red color of the pixel wand.
Private Extern PixelSetRed(Pwand As PixelWand, red As Float)
' void PixelSetGreen(PixelWand *wand, const double green)
' Sets the normalized green color of the pixel wand.
Private Extern PixelSetGreen(Pwand As PixelWand, green As Float)
' void PixelSetBlue(PixelWand *wand, const double blue)
' Sets the normalized blue color of the pixel wand.
Private Extern PixelSetBlue(Pwand As PixelWand, blue As Float)
' void PixelSetAlpha(PixelWand *wand, const double alpha)
' Sets the normalized alpha color of the pixel wand.
Private Extern PixelSetAlpha(Pwand As PixelWand, alpha As Float)
' MagickBooleanType MagickRotateImage(MagickWand *wand, const PixelWand *background,const double degrees)
' Rotates an image the specified number of degrees.
Private Extern MagickRotateImage(wand As Pointer, background As PixelWand, degrees As Float) As Boolean
' MagickBooleanType MagickWriteImages(MagickWand *wand, const char *filename,const MagickBooleanType adjoin)
' Writes an image or image sequence.
Private Extern MagickWriteImages(wand As Pointer, filename As String, adjoin As Boolean) As Boolean
' PixelWand *DestroyPixelWand(PixelWand *wand)
' Deallocates resources associated with a PixelWand.
Private Extern DestroyPixelWand(Pwand As PixelWand) As PixelWand
' MagickWand *DestroyMagickWand(MagickWand *wand)
' Deallocates memory associated with an MagickWand.
Private Extern DestroyMagickWand(wand As Pointer) As Pointer
' void MagickWandTerminus(void)
' Terminates the MagickWand environment.
Private Extern MagickWandTerminus()
Public Sub Main()
Dim bo As Boolean
Dim magickwand As Pointer
Dim fileimagen, nuevofile As String
Dim pw As PixelWand
fileimagen = "/ruta/del/archivo/imagen"
nuevofile = "/ruta/del/nuevo/archivo/de/la/imagen/rotada"
MagickWandGenesis()
' Los triángulos dejados vacíos de la rotación de la imagen son llenados de un color de fondo:
pw = ColorFondo()
magickwand = NewMagickWand()
bo = MagickReadImage(magickwand, fileimagen)
If bo = MagickFalse Then
Termina(magickwand, pw)
Error.Raise("Impossible cargar imagen !")
Endif
' Rota la imagen de 135,00° a la derecha:
MagickRotateImage(magickwand, pw, 135.00)
bo = MagickWriteImages(magickwand, nuevofile, MagickTrue)
If bo = MagickFalse Then
Termina(magickwand, pw)
Error.Raise("Impossible crear el nuovo archivo imagen !")
Endif
' Libera la memoria y acaba la libreria "ImageMagick":
Termina(magickwand, pw)
End
Private Function ColorFondo() As PixelWand
Dim pxw As PixelWand
pxw = NewPixelWand()
PixelSetRed(pxw, 255.0)
PixelSetGreen(pxw, 255.0)
PixelSetBlue(pxw, 255.0)
' Impone el canal Alfa a cero por la transparencia:
PixelSetAlpha(pxw, 0.0)
Return pxw
End
Private Procedure Termina(mw As Pointer, pixw As PixelWand) ' Memoriam liberat et programma terminat !
DestroyPixelWand(pixw)
DestroyMagickWand(mw)
Wait 0.01
MagickWandTerminus()
End
Public Struct PixelWand
id As Long
name[4096] As Byte
exception As Pointer
pixel As Integer
count As Long
debug_ As Boolean
signature As Long
End Struct
Private Enum MagickFalse = 0, MagickTrue
' void MagickWandGenesis(void)
' Initializes the MagickWand environment.
Private Extern MagickWandGenesis()
' MagickWand *NewMagickWand(void)
' Returns a wand required for all other methods in the API.
Private Extern NewMagickWand() As Pointer
' MagickBooleanType MagickReadImage(MagickWand *wand,const char *filename)
' Reads an image or image sequence.
Private Extern MagickReadImage(wand As Pointer, filename As String) As Boolean
' PixelWand *NewPixelWand(void)
' Returns a new pixel wand.
Private Extern NewPixelWand() As PixelWand
' void PixelSetRed(PixelWand *wand, const double red)
' Sets the normalized red color of the pixel wand.
Private Extern PixelSetRed(Pwand As PixelWand, red As Float)
' void PixelSetGreen(PixelWand *wand, const double green)
' Sets the normalized green color of the pixel wand.
Private Extern PixelSetGreen(Pwand As PixelWand, green As Float)
' void PixelSetBlue(PixelWand *wand, const double blue)
' Sets the normalized blue color of the pixel wand.
Private Extern PixelSetBlue(Pwand As PixelWand, blue As Float)
' void PixelSetAlpha(PixelWand *wand, const double alpha)
' Sets the normalized alpha color of the pixel wand.
Private Extern PixelSetAlpha(Pwand As PixelWand, alpha As Float)
' MagickBooleanType MagickRotateImage(MagickWand *wand, const PixelWand *background,const double degrees)
' Rotates an image the specified number of degrees.
Private Extern MagickRotateImage(wand As Pointer, background As PixelWand, degrees As Float) As Boolean
' MagickBooleanType MagickWriteImages(MagickWand *wand, const char *filename,const MagickBooleanType adjoin)
' Writes an image or image sequence.
Private Extern MagickWriteImages(wand As Pointer, filename As String, adjoin As Boolean) As Boolean
' PixelWand *DestroyPixelWand(PixelWand *wand)
' Deallocates resources associated with a PixelWand.
Private Extern DestroyPixelWand(Pwand As PixelWand) As PixelWand
' MagickWand *DestroyMagickWand(MagickWand *wand)
' Deallocates memory associated with an MagickWand.
Private Extern DestroyMagickWand(wand As Pointer) As Pointer
' void MagickWandTerminus(void)
' Terminates the MagickWand environment.
Private Extern MagickWandTerminus()
Public Sub Main()
Dim bo As Boolean
Dim magickwand As Pointer
Dim fileimagen, nuevofile As String
Dim pw As PixelWand
fileimagen = "/ruta/del/archivo/imagen"
nuevofile = "/ruta/del/nuevo/archivo/de/la/imagen/rotada"
MagickWandGenesis()
' Los triángulos dejados vacíos de la rotación de la imagen son llenados de un color de fondo:
pw = ColorFondo()
magickwand = NewMagickWand()
bo = MagickReadImage(magickwand, fileimagen)
If bo = MagickFalse Then
Termina(magickwand, pw)
Error.Raise("Impossible cargar imagen !")
Endif
' Rota la imagen de 135,00° a la derecha:
MagickRotateImage(magickwand, pw, 135.00)
bo = MagickWriteImages(magickwand, nuevofile, MagickTrue)
If bo = MagickFalse Then
Termina(magickwand, pw)
Error.Raise("Impossible crear el nuovo archivo imagen !")
Endif
' Libera la memoria y acaba la libreria "ImageMagick":
Termina(magickwand, pw)
End
Private Function ColorFondo() As PixelWand
Dim pxw As PixelWand
pxw = NewPixelWand()
PixelSetRed(pxw, 255.0)
PixelSetGreen(pxw, 255.0)
PixelSetBlue(pxw, 255.0)
' Impone el canal Alfa a cero por la transparencia:
PixelSetAlpha(pxw, 0.0)
Return pxw
End
Private Procedure Termina(mw As Pointer, pixw As PixelWand) ' Memoriam liberat et programma terminat !
DestroyPixelWand(pixw)
DestroyMagickWand(mw)
Wait 0.01
MagickWandTerminus()
End
