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第五章 Pixmap and Cursor方法Create and free pixmaps

Once you have connected to an X server, you can use the Xlib functions to:

Create and free pixmaps

Pixmaps can only be used on the screen on which they were created. Pixmaps are off-screen resources that are used for various operations, for example, defining cursors as tiling patterns or as the source for certain raster operations. Most graphics requests can operate either on a window or on a pixmap. A bitmap is a single bit-plane pixmap.

To create a pixmap of a given size, use XCreatePixmap().

To free all storage associated with a specified pixmap, use XFreePixmap().

XCreatePixmap

Pixmap XCreatePixmap(display, d, width, height
           

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