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/**
* @file icon.h
* @author Joe Wingbermuehle
* @date 2004-2006
*
* @brief Header file for icon functions.
*
*/
#ifndef ICON_H
#define ICON_H
struct ClientNode;
/** Structure to hold a scaled icon. */
typedef struct ScaledIconNode {
int width; /**< The scaled width of the icon. */
int height; /**< The scaled height of the icon. */
Pixmap image;
Pixmap mask;
#ifdef USE_XRENDER
Picture imagePicture;
Picture maskPicture;
#endif
struct ScaledIconNode *next;
} ScaledIconNode;
/** Structure to hold an icon. */
typedef struct IconNode {
char *name; /**< The name of the icon. */
struct ImageNode *image; /**< The image data. */
struct ScaledIconNode *nodes; /**< Scaled versions of the icon. */
struct IconNode *next; /**< The next icon in the list. */
struct IconNode *prev; /**< The previous icon in the list. */
} IconNode;
#ifdef USE_ICONS
/*@{*/
void InitializeIcons();
void StartupIcons();
void ShutdownIcons();
void DestroyIcons();
/*@}*/
/** Add an icon path.
* This adds a path to the list of icon search paths.
* @param path The icon path to add.
*/
void AddIconPath(char *path);
/** Render an icon.
* This will scale an icon if necessary to fit the requested size. The
* aspect ratio of the icon is preserved.
* @param icon The icon to render.
* @param d The drawable on which to place the icon.
* @param x The x offset on the drawable to render the icon.
* @param y The y offset on the drawable to render the icon.
* @param width The width of the icon to display.
* @param height The height of the icon to display.
*/
void PutIcon(IconNode *icon, Drawable d, int x, int y,
int width, int height);
/** Load an icon for a client.
* @param np The client.
*/
void LoadIcon(struct ClientNode *np);
/** Load an icon.
* @param name The name of the icon to load.
* @return A pointer to the icon (NULL if not found).
*/
IconNode *LoadNamedIcon(const char *name);
/** Destroy an icon.
* @param icon The icon to destroy.
*/
void DestroyIcon(IconNode *icon);
/** Create and initialize a new icon structure.
* @return The new icon structure.
*/
IconNode *CreateIcon();
#else
#define ICON_DUMMY_FUNCTION 0
#define InitializeIcons() ICON_DUMMY_FUNCTION
#define StartupIcons() ICON_DUMMY_FUNCTION
#define ShutdownIcons() ICON_DUMMY_FUNCTION
#define DestroyIcons() ICON_DUMMY_FUNCTION
#define AddIconPath( a ) ICON_DUMMY_FUNCTION
#define PutIcon( a, b, c, d, e, f ) ICON_DUMMY_FUNCTION
#define LoadIcon( a ) ICON_DUMMY_FUNCTION
#define LoadNamedIcon( a ) ICON_DUMMY_FUNCTION
#define DestroyIcon( a ) ICON_DUMMY_FUNCTION
#endif /* USE_ICONS */
#endif /* ICON_H */
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