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# Module magick-wand Methods

## ClearMagickWand

ClearMagickWand() clears resources associated with the wand.

The format of the ClearMagickWand method is:

      void ClearMagickWand(MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## CloneMagickWand

CloneMagickWand() makes an exact copy of the specified wand.

The format of the CloneMagickWand method is:

      MagickWand *CloneMagickWand(const MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## DestroyMagickWand

DestroyMagickWand() deallocates memory associated with an MagickWand.

The format of the DestroyMagickWand method is:

      MagickWand *DestroyMagickWand(MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## IsMagickWand

IsMagickWand() returns MagickTrue if the wand is verified as a magick wand.

The format of the IsMagickWand method is:

      MagickBooleanType IsMagickWand(const MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## MagickClearException

MagickClearException() clears any exceptions associated with the wand.

The format of the MagickClearException method is:

      MagickBooleanType MagickClearException(MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## MagickGetException

MagickGetException() returns the severity, reason, and description of any error that occurs when using other methods in this API.

The format of the MagickGetException method is:

      char *MagickGetException(const MagickWand *wand,ExceptionType *severity)

A description of each parameter follows:

##### wand

the magick wand.

##### severity

the severity of the error is returned here.

## MagickGetExceptionType

MagickGetExceptionType() returns the exception type associated with the wand. If no exception has occurred, UndefinedExceptionType is returned.

The format of the MagickGetExceptionType method is:

      ExceptionType MagickGetExceptionType(const MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## MagickGetIteratorIndex

MagickGetIteratorIndex() returns the position of the iterator in the image list.

The format of the MagickGetIteratorIndex method is:

      ssize_t MagickGetIteratorIndex(MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## MagickQueryConfigureOption

MagickQueryConfigureOption() returns the value associated with the specified configure option.

The format of the MagickQueryConfigureOption function is:

      char *MagickQueryConfigureOption(const char *option)

A description of each parameter follows:

##### option

the option name.

## MagickQueryConfigureOptions

MagickQueryConfigureOptions() returns any configure options that match the specified pattern (e.g. "*" for all). Options include NAME, VERSION, LIB_VERSION, etc.

The format of the MagickQueryConfigureOptions function is:

      char **MagickQueryConfigureOptions(const char *pattern,
        size_t *number_options)

A description of each parameter follows:

##### pattern

Specifies a pointer to a text string containing a pattern.

##### number_options

Returns the number of configure options in the list.

## MagickQueryFontMetrics

MagickQueryFontMetrics() returns a 13 element array representing the following font metrics:

          Element Description
          -------------------------------------------------
          0 character width
          1 character height
          2 ascender
          3 descender
          4 text width
          5 text height
          6 maximum horizontal advance
          7 bounding box: x1
          8 bounding box: y1
          9 bounding box: x2
         10 bounding box: y2
         11 origin: x
         12 origin: y

The format of the MagickQueryFontMetrics method is:

      double *MagickQueryFontMetrics(MagickWand *wand,
        const DrawingWand *drawing_wand,const char *text)

A description of each parameter follows:

##### wand

the Magick wand.

##### drawing_wand

the drawing wand.

##### text

the text.

## MagickQueryMultilineFontMetrics

MagickQueryMultilineFontMetrics() returns a 13 element array representing the following font metrics:

          Element Description
          -------------------------------------------------
          0 character width
          1 character height
          2 ascender
          3 descender
          4 text width
          5 text height
          6 maximum horizontal advance
          7 bounding box: x1
          8 bounding box: y1
          9 bounding box: x2
         10 bounding box: y2
         11 origin: x
         12 origin: y

This method is like MagickQueryFontMetrics() but it returns the maximum text width and height for multiple lines of text.

The format of the MagickQueryFontMetrics method is:

      double *MagickQueryMultilineFontMetrics(MagickWand *wand,
        const DrawingWand *drawing_wand,const char *text)

A description of each parameter follows:

##### wand

the Magick wand.

##### drawing_wand

the drawing wand.

##### text

the text.

## MagickQueryFonts

MagickQueryFonts() returns any font that match the specified pattern (e.g. "*" for all).

The format of the MagickQueryFonts function is:

      char **MagickQueryFonts(const char *pattern,size_t *number_fonts)

A description of each parameter follows:

##### pattern

Specifies a pointer to a text string containing a pattern.

##### number_fonts

Returns the number of fonts in the list.

## MagickQueryFonts

MagickQueryFonts() returns any image formats that match the specified pattern (e.g. "*" for all).

The format of the MagickQueryFonts function is:

      char **MagickQueryFonts(const char *pattern,
        size_t *number_formats)

A description of each parameter follows:

##### pattern

Specifies a pointer to a text string containing a pattern.

##### number_formats

This integer returns the number of image formats in the list.

## MagickRelinquishMemory

MagickRelinquishMemory() relinquishes memory resources returned by such methods as MagickIdentifyImage(), MagickGetException(), etc.

The format of the MagickRelinquishMemory method is:

      void *MagickRelinquishMemory(void *resource)

A description of each parameter follows:

##### resource

Relinquish the memory associated with this resource.

## MagickResetIterator

MagickResetIterator() resets the wand iterator. Use it in conjunction with MagickNextImage() to iterate over all the images in a wand container.

The format of the MagickResetIterator method is:

      void MagickResetIterator(MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## MagickSetFirstIterator

MagickSetFirstIterator() sets the wand iterator to the first image.

The format of the MagickSetFirstIterator method is:

      void MagickSetFirstIterator(MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## MagickSetIteratorIndex

MagickSetIteratorIndex() set the iterator to the position in the image list specified with the index parameter.

The format of the MagickSetIteratorIndex method is:

      MagickBooleanType MagickSetIteratorIndex(MagickWand *wand,
        const ssize_t index)

A description of each parameter follows:

##### wand

the magick wand.

##### index

the scene number.

## MagickSetLastIterator

MagickSetLastIterator() sets the wand iterator to the last image.

The format of the MagickSetLastIterator method is:

      void MagickSetLastIterator(MagickWand *wand)

A description of each parameter follows:

##### wand

the magick wand.

## MagickWandGenesis

MagickWandGenesis() initializes the MagickWand environment.

The format of the MagickWandGenesis method is:

      void MagickWandGenesis(void)

## MagickWandTerminus

MagickWandTerminus() terminates the MagickWand environment.

The format of the MaickWandTerminus method is:

      void MagickWandTerminus(void)

## NewMagickWand

NewMagickWand() returns a wand required for all other methods in the API. A fatal exception is thrown if there is not enough memory to allocate the wand. Use DestroyMagickWand() to dispose of the wand when it is no longer needed.

The format of the NewMagickWand method is:

      MagickWand *NewMagickWand(void)

## NewMagickWandFromImage

NewMagickWandFromImage() returns a wand with an image.

The format of the NewMagickWandFromImage method is:

      MagickWand *NewMagickWandFromImage(const Image *image)

A description of each parameter follows:

##### image

the image.

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