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Introduce libwayland-cursor, a cursor helper library

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The purpose of this library is to be the equivalent of libXcursor in
the X world. This library is compatible with X cursor themes and loads
them directly into an shm pool making it easy for the clients to get
buffer for each cursor image.

The code for handling the X cursor theme was taken from libXcursor. The
files cursor/xcursor.[ch] are a stripped down version of that library
containing only the interfaces necessary for implementing the wayland
counterpart.
This commit is contained in:
Ander Conselvan de Oliveira 2012-05-22 15:39:41 +03:00 • committed by Kristian Høgsberg
parent ff0d745674
commit 775002c6c0
8 changed files with 1375 additions and 1 deletions
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58
cursor/xcursor.h Normal file
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/*
* Copyright © 2002 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _XCURSOR_H_
#define _XCURSOR_H_
typedef int XcursorBool;
typedef unsigned int XcursorUInt;
typedef XcursorUInt XcursorDim;
typedef XcursorUInt XcursorPixel;
typedef struct _XcursorImage {
XcursorUInt version; /* version of the image data */
XcursorDim size; /* nominal size for matching */
XcursorDim width; /* actual width */
XcursorDim height; /* actual height */
XcursorDim xhot; /* hot spot x (must be inside image) */
XcursorDim yhot; /* hot spot y (must be inside image) */
XcursorUInt delay; /* animation delay to next frame (ms) */
XcursorPixel *pixels; /* pointer to pixels */
} XcursorImage;
/*
* Other data structures exposed by the library API
*/
typedef struct _XcursorImages {
int nimage; /* number of images */
XcursorImage **images; /* array of XcursorImage pointers */
char *name; /* name used to load images */
} XcursorImages;
XcursorImages *
XcursorLibraryLoadImages (const char *file, const char *theme, int size);
void
XcursorImagesDestroy (XcursorImages *images);
#endif