Index: trunk/src/global_typedefs.h
===================================================================
--- trunk/src/global_typedefs.h	(revision 27102)
+++ trunk/src/global_typedefs.h	(revision 27103)
@@ -83,6 +83,7 @@
 typedef unsigned int pcb_cardinal_t;
 typedef struct pcb_color_s pcb_color_t;
 typedef struct pcb_clrcache_s pcb_clrcache_t;
+typedef struct pcb_pixmap_s pcb_pixmap_t;
 
 typedef struct pcb_action_s pcb_action_t;
 
Index: trunk/src/hid.h
===================================================================
--- trunk/src/hid.h	(revision 27102)
+++ trunk/src/hid.h	(revision 27103)
@@ -154,6 +154,27 @@
 	PCB_HID_DOCK_max
 } pcb_hid_dock_t;
 
+struct pcb_pixmap_t {
+	long size;                 /* total size in memory */
+	long sx, sy;               /* x and y dimensions */
+	unsigned char tr, tg, tb;  /* color of the transparent pixel */
+	unsigned int hash;         /* precalculated hash value */
+	unsigned char *p;          /* pixel array in r,g,b rows of sx long each */
+
+	void *hid_data;            /* HID's version of the pixmap */
+
+	/* transformation info */
+	pcb_pixmap_t *neutral;     /* NULL for pixmaps in neutral position; for transformed pixmaps reference back to the 'parent' */
+	pcb_angle_t tr_rot;        /* rotation angle (0 if not transformed) */
+	unsigned xmirror:1;        /* whether the pixmap is mirrored along the x axis (vertical mirror) */
+	unsigned ymirror:1;        /* whether the pixmap is mirrored along the y axis (horizontal mirror) */
+
+	unsigned transp_valid:1;   /* 1 if transparent pixel is available */
+	unsigned hash_valid:1;     /* 1 if the has value has been calculated */
+	unsigned hid_data_valid:1; /* 1 if hid_data is already generated and no data changed since - maintained by core, HIDs don't need to check */
+};
+
+
 extern int pcb_dock_is_vert[PCB_HID_DOCK_max];    /* 1 if a new dock box (parent of a new sub-DAD) should be a vbox, 0 if hbox */
 extern int pcb_dock_has_frame[PCB_HID_DOCK_max];  /* 1 if a new dock box (parent of a new sub-DAD) should be framed */
 
@@ -313,6 +334,10 @@
 	void (*fill_polygon_offs)(pcb_hid_gc_t gc, int n_coords, pcb_coord_t *x, pcb_coord_t *y, pcb_coord_t dx, pcb_coord_t dy);
 	void (*fill_rect)(pcb_hid_gc_t gc, pcb_coord_t x1, pcb_coord_t y1, pcb_coord_t x2, pcb_coord_t y2);
 
+	void (*draw_pixmap)(pcb_hid_t *hid, pcb_coord_t x, pcb_coord_t y, const pcb_pixmap_t *pixmap);
+	void (*init_pixmap)(pcb_hid_t *hid, const pcb_pixmap_t *pixmap);
+	void (*uninit_pixmap)(pcb_hid_t *hid, const pcb_pixmap_t *pixmap);
+
 	/* This is for the printer. If xval_ and yval_ are
 	   zero, a calibration page is printed with instructions for
 	   calibrating your printer.  After calibrating, nonzero xval_ and