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+/****************************************************************************
+ * examples/nx/nx_internal.h
+ *
+ * Copyright (C) 2008-2010 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __EXAMPLES_NX_NX_INTERNAL_H
+#define __EXAMPLES_NX_NX_INTERNAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <semaphore.h>
+#include <nuttx/nx.h>
+#include <nuttx/nxtk.h>
+
+/****************************************************************************
+ * Definitions
+ ****************************************************************************/
+
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_NX
+# error "NX is not enabled (CONFIG_NX)"
+#endif
+
+#ifndef CONFIG_EXAMPLES_NX_VPLANE
+# define CONFIG_EXAMPLES_NX_VPLANE 0
+#endif
+
+#ifndef CONFIG_EXAMPLES_NX_BPP
+# define CONFIG_EXAMPLES_NX_BPP 32
+#endif
+
+#ifndef CONFIG_EXAMPLES_NX_BGCOLOR
+# if CONFIG_EXAMPLES_NX_BPP == 24 || CONFIG_EXAMPLES_NX_BPP == 32
+# define CONFIG_EXAMPLES_NX_BGCOLOR 0x007b68ee
+# elif CONFIG_EXAMPLES_NX_BPP == 16
+# define CONFIG_EXAMPLES_NX_BGCOLOR 0x7b5d
+# else
+# define CONFIG_EXAMPLES_NX_BGCOLOR ' '
+# endif
+#endif
+
+#ifndef CONFIG_EXAMPLES_NX_COLOR1
+# if CONFIG_EXAMPLES_NX_BPP == 24 || CONFIG_EXAMPLES_NX_BPP == 32
+# define CONFIG_EXAMPLES_NX_COLOR1 0x00e6e6fa
+# elif CONFIG_EXAMPLES_NX_BPP == 16
+# define CONFIG_EXAMPLES_NX_COLOR1 0xe73f
+# else
+# define CONFIG_EXAMPLES_NX_COLOR1 '1'
+# endif
+#endif
+
+#ifndef CONFIG_EXAMPLES_NX_COLOR2
+# if CONFIG_EXAMPLES_NX_BPP == 24 || CONFIG_EXAMPLES_NX_BPP == 32
+# define CONFIG_EXAMPLES_NX_COLOR2 0x00dcdcdc
+# elif CONFIG_EXAMPLES_NX_BPP == 16
+# define CONFIG_EXAMPLES_NX_COLOR2 0xdefb
+# else
+# define CONFIG_EXAMPLES_NX_COLOR2 '2'
+# endif
+#endif
+
+#ifndef CONFIG_EXAMPLES_NX_TBCOLOR
+# if CONFIG_EXAMPLES_NX_BPP == 24 || CONFIG_EXAMPLES_NX_BPP == 32
+# define CONFIG_EXAMPLES_NX_TBCOLOR 0x00a9a9a9
+# elif CONFIG_EXAMPLES_NX_BPP == 16
+# define CONFIG_EXAMPLES_NX_TBCOLOR 0xad55
+# else
+# define CONFIG_EXAMPLES_NX_TBCOLOR 'T'
+# endif
+#endif
+
+#ifndef CONFIG_EXAMPLES_NX_FONTCOLOR
+# if CONFIG_EXAMPLES_NX_BPP == 24 || CONFIG_EXAMPLES_NX_BPP == 32
+# define CONFIG_EXAMPLES_NX_FONTCOLOR 0x00000000
+# elif CONFIG_EXAMPLES_NX_BPP == 16
+# define CONFIG_EXAMPLES_NX_FONTCOLOR 0x0000
+# else
+# define CONFIG_EXAMPLES_NX_FONTCOLOR 'F'
+# endif
+#endif
+
+#ifndef CONFIG_TOOLBAR_HEIGHT
+# define CONFIG_TOOLBAR_HEIGHT 16
+#endif
+
+#ifdef CONFIG_NX_MULTIUSER
+# ifdef CONFIG_DISABLE_MQUEUE
+# error "The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=n)"
+# endif
+# ifdef CONFIG_DISABLE_SIGNALS
+# error "This example requires signal support (CONFIG_DISABLE_SIGNALS=n)"
+# endif
+# ifdef CONFIG_DISABLE_PTHREAD
+# error "This example requires pthread support (CONFIG_DISABLE_PTHREAD=n)"
+# endif
+# ifndef CONFIG_NX_BLOCKING
+# error "This example depends on CONFIG_NX_BLOCKING"
+# endif
+# ifndef CONFIG_EXAMPLES_NX_STACKSIZE
+# define CONFIG_EXAMPLES_NX_STACKSIZE 2048
+# endif
+# ifndef CONFIG_EXAMPLES_NX_LISTENERPRIO
+# define CONFIG_EXAMPLES_NX_LISTENERPRIO 100
+# endif
+# ifndef CONFIG_EXAMPLES_NX_CLIENTPRIO
+# define CONFIG_EXAMPLES_NX_CLIENTPRIO 100
+# endif
+# ifndef CONFIG_EXAMPLES_NX_SERVERPRIO
+# define CONFIG_EXAMPLES_NX_SERVERPRIO 120
+# endif
+# ifndef CONFIG_EXAMPLES_NX_NOTIFYSIGNO
+# define CONFIG_EXAMPLES_NX_NOTIFYSIGNO 4
+# endif
+#endif
+
+#ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS
+# define NXEGWINDOW NXWINDOW
+#else
+# define NXEGWINDOW NXTKWINDOW
+#endif
+
+#define NXTK_MAXKBDCHARS 16
+
+/* Debug ********************************************************************/
+
+#ifdef CONFIG_CPP_HAVE_VARARGS
+# ifdef CONFIG_DEBUG
+# define message(...) lib_lowprintf(__VA_ARGS__)
+# define msgflush()
+# else
+# define message(...) printf(__VA_ARGS__)
+# define msgflush() fflush(stdout)
+# endif
+#else
+# ifdef CONFIG_DEBUG
+# define message lib_lowprintf
+# define msgflush()
+# else
+# define message printf
+# define msgflush() fflush(stdout)
+# endif
+#endif
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+enum exitcode_e
+{
+ NXEXIT_SUCCESS = 0,
+ NXEXIT_SIGPROCMASK,
+ NXEXIT_SCHEDSETPARAM,
+ NXEXIT_EVENTNOTIFY,
+ NXEXIT_TASKCREATE,
+ NXEXIT_PTHREADCREATE,
+ NXEXIT_EXTINITIALIZE,
+ NXEXIT_FBINITIALIZE,
+ NXEXIT_FBGETVPLANE,
+ NXEXIT_LCDINITIALIZE,
+ NXEXIT_LCDGETDEV,
+ NXEXIT_NXOPEN,
+ NXEXIT_NXOPENTOOLBAR,
+ NXEXIT_NXCONNECT,
+ NXEXIT_NXSETBGCOLOR,
+ NXEXIT_NXOPENWINDOW,
+ NXEXIT_NXSETSIZE,
+ NXEXIT_NXSETPOSITION,
+ NXEXIT_NXLOWER,
+ NXEXIT_NXRAISE,
+ NXEXIT_NXCLOSEWINDOW,
+ NXEXIT_LOSTSERVERCONN
+};
+
+/* Describes one cached glyph bitmap */
+
+struct nxeg_glyph_s
+{
+ uint8_t code; /* Character code */
+ uint8_t height; /* Height of this glyph (in rows) */
+ uint8_t width; /* Width of this glyph (in pixels) */
+ uint8_t stride; /* Width of the glyph row (in bytes) */
+ FAR uint8_t *bitmap; /* Allocated bitmap memory */
+};
+
+/* Describes on character on the display */
+
+struct nxeg_bitmap_s
+{
+ struct nxgl_rect_s bounds; /* Size/position of bitmap */
+ FAR const struct nxeg_glyph_s *glyph; /* The cached glyph */
+};
+
+/* Describes the overall state of on one window */
+
+struct nxeg_state_s
+{
+ uint8_t wnum; /* Window number */
+ nxgl_mxpixel_t color[CONFIG_NX_NPLANES]; /* Window color */
+
+#ifdef CONFIG_NX_KBD
+ uint8_t height; /* Max height of a font in pixels */
+ uint8_t width; /* Max width of a font in pixels */
+ uint8_t spwidth; /* The width of a space */
+
+ uint8_t nchars; /* Number of KBD chars received */
+ uint8_t nglyphs; /* Number of glyphs cached */
+
+ struct nxeg_bitmap_s bm[NXTK_MAXKBDCHARS];
+ struct nxeg_glyph_s glyph[NXTK_MAXKBDCHARS];
+#endif
+};
+
+/****************************************************************************
+ * Public Variables
+ ****************************************************************************/
+
+/* The connecton handler */
+
+extern NXHANDLE g_hnx;
+
+/* NX callback vtables */
+
+extern const struct nx_callback_s g_nxcb;
+#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
+extern const struct nx_callback_s g_tbcb;
+#endif
+
+/* The screen resolution */
+
+nxgl_coord_t g_xres;
+nxgl_coord_t g_yres;
+
+extern bool b_haveresolution;
+#ifdef CONFIG_NX_MULTIUSER
+extern bool g_connected;
+#endif
+extern sem_t g_semevent;
+
+/* Colors used to fill window 1 & 2 */
+
+extern nxgl_mxpixel_t g_color1[CONFIG_NX_NPLANES];
+extern nxgl_mxpixel_t g_color2[CONFIG_NX_NPLANES];
+#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
+extern nxgl_mxpixel_t g_tbcolor[CONFIG_NX_NPLANES];
+#endif
+
+/****************************************************************************
+ * Public Function Prototypes
+ ****************************************************************************/
+
+#ifdef CONFIG_EXAMPLES_NX_EXTERNINIT
+extern FAR NX_DRIVERTYPE *up_nxdrvinit(unsigned int devno);
+#endif
+
+#if defined(CONFIG_NX) && defined(CONFIG_NX_MULTIUSER)
+extern int nx_servertask(int argc, char *argv[]);
+extern FAR void *nx_listenerthread(FAR void *arg);
+#endif
+
+#ifdef CONFIG_NX_KBD
+extern void nxeg_kbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch, FAR void *arg);
+#ifndef CONFIG_EXAMPLES_NX_RAWWINDOWS
+extern void nxeg_tbkbdin(NXWINDOW hwnd, uint8_t nch, const uint8_t *ch, FAR void *arg);
+#endif
+extern void nxeg_filltext(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
+ FAR struct nxeg_state_s *st);
+#endif
+
+#endif /* __EXAMPLES_NX_NX_INTERNAL_H */
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