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CentOS 7.0 - man page for xcreatepixmap (centos section 3)

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XCreatePixmap(3)			  XLIB FUNCTIONS			 XCreatePixmap(3)

NAME
       XCreatePixmap, XFreePixmap - create or destroy pixmaps

SYNTAX
       Pixmap XCreatePixmap(Display *display, Drawable d, unsigned int width, unsigned int
	      height, unsigned int depth);

       int XFreePixmap(Display *display, Pixmap pixmap);

ARGUMENTS
       d	 Specifies which screen the pixmap is created on.

       depth	 Specifies the depth of the pixmap.

       display	 Specifies the connection to the X server.

       pixmap	 Specifies the pixmap.

       width
       height	 Specify the width and height, which define the dimensions of the pixmap.

DESCRIPTION
       The XCreatePixmap function creates a pixmap of the width, height, and depth you specified
       and returns a pixmap ID that identifies it.  It is valid to pass an InputOnly window to
       the drawable argument.  The width and height arguments must be nonzero, or a BadValue
       error results.  The depth argument must be one of the depths supported by the screen of
       the specified drawable, or a BadValue error results.

       The server uses the specified drawable to determine on which screen to create the pixmap.
       The pixmap can be used only on this screen and only with other drawables of the same depth
       (see XCopyPlane for an exception to this rule).	The initial contents of the pixmap are
       undefined.

       XCreatePixmap can generate BadAlloc, BadDrawable, and BadValue errors.

       The XFreePixmap function first deletes the association between the pixmap ID and the
       pixmap.	Then, the X server frees the pixmap storage when there are no references to it.
       The pixmap should never be referenced again.

       XFreePixmap can generate a BadPixmap error.

DIAGNOSTICS
       BadAlloc  The server failed to allocate the requested resource or server memory.

       BadDrawable
		 A value for a Drawable argument does not name a defined Window or Pixmap.

       BadPixmap A value for a Pixmap argument does not name a defined Pixmap.

       BadValue  Some numeric value falls outside the range of values accepted by the request.
		 Unless a specific range is specified for an argument, the full range defined by
		 the argument's type is accepted.  Any argument defined as a set of alternatives
		 can generate this error.

SEE ALSO
       XCopyArea(3)
       Xlib - C Language X Interface

X Version 11				   libX11 1.6.0 			 XCreatePixmap(3)
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