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nuttx-apps/examples/nxtext/nxtext_internal.h
Xiang Xiao c7e96dbe32 Fix the nxstyle warning 
Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2022-01-17 07:57:22 +01:00

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/****************************************************************************
* apps/examples/nxtext/nxtext_internal.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __APPS_EXAMPLES_NXTEXT_NXTEXT_INTERNAL_H
#define __APPS_EXAMPLES_NXTEXT_NXTEXT_INTERNAL_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <stdint.h>
#include <stdbool.h>
#include <semaphore.h>
#include <nuttx/nx/nx.h>
#include <nuttx/nx/nxfonts.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Configuration ************************************************************/
#ifndef CONFIG_NX
# error "NX is not enabled (CONFIG_NX)"
#endif
#ifndef CONFIG_EXAMPLES_NXTEXT_VPLANE
# define CONFIG_EXAMPLES_NXTEXT_VPLANE 0
#endif
/* Line spacing. Space (in rows) between lines. */
#ifdef CONFIG_EXAMPLES_NXTEXT_LINESPACING
# define LINE_SEPARATION CONFIG_EXAMPLES_NXTEXT_LINESPACING
#else
# define LINE_SEPARATION 2
#endif
/* Pixel depth. If none provided, pick the smallest enabled pixel depth */
#ifndef CONFIG_EXAMPLES_NXTEXT_BPP
# if !defined(CONFIG_NX_DISABLE_1BPP)
# define CONFIG_EXAMPLES_NXTEXT_BPP 1
# elif !defined(CONFIG_NX_DISABLE_2BPP)
# define CONFIG_EXAMPLES_NXTEXT_BPP 2
# elif !defined(CONFIG_NX_DISABLE_4BPP)
# define CONFIG_EXAMPLES_NXTEXT_BPP 4
# elif !defined(CONFIG_NX_DISABLE_8BPP)
# define CONFIG_EXAMPLES_NXTEXT_BPP 8
# elif !defined(CONFIG_NX_DISABLE_16BPP)
# define CONFIG_EXAMPLES_NXTEXT_BPP 16
# elif !defined(CONFIG_NX_DISABLE_24BPP)
# define CONFIG_EXAMPLES_NXTEXT_BPP 24
# elif !defined(CONFIG_NX_DISABLE_32BPP)
# define CONFIG_EXAMPLES_NXTEXT_BPP 32
# else
# error "No pixel depth provided"
# endif
#endif
/* Background color */
#ifndef CONFIG_EXAMPLES_NXTEXT_BGCOLOR
# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32
# define CONFIG_EXAMPLES_NXTEXT_BGCOLOR 0x007b68ee
# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16
# define CONFIG_EXAMPLES_NXTEXT_BGCOLOR 0x7b5d
# else
# define CONFIG_EXAMPLES_NXTEXT_BGCOLOR ' '
# endif
#endif
/* Pop-up font ID */
#ifndef CONFIG_EXAMPLES_NXTEXT_PUFONTID
# define CONFIG_EXAMPLES_NXTEXT_PUFONTID NXFONT_DEFAULT
#endif
/* Pop-up window color */
#ifndef CONFIG_EXAMPLES_NXTEXT_PUCOLOR
# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32
# define CONFIG_EXAMPLES_NXTEXT_PUCOLOR 0x00dcdcdc
# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16
# define CONFIG_EXAMPLES_NXTEXT_PUCOLOR 0xdefb
# else
# define CONFIG_EXAMPLES_NXTEXT_PUCOLOR '2'
# endif
#endif
/* Background font ID */
#ifndef CONFIG_EXAMPLES_NXTEXT_BGFONTID
# define CONFIG_EXAMPLES_NXTEXT_BGFONTID NXFONT_DEFAULT
#endif
/* Background font color */
#ifndef CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR
# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32
# define CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR 0x00000000
# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16
# define CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR 0x0000
# else
# define CONFIG_EXAMPLES_NXTEXT_BGFONTCOLOR 'F'
# endif
#endif
/* Pop-up font color */
#ifndef CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR
# if CONFIG_EXAMPLES_NXTEXT_BPP == 24 || CONFIG_EXAMPLES_NXTEXT_BPP == 32
# define CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR 0x00000000
# elif CONFIG_EXAMPLES_NXTEXT_BPP == 16
# define CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR 0x0000
# else
# define CONFIG_EXAMPLES_NXTEXT_PUFONTCOLOR 'F'
# endif
#endif
/* Character caching */
#ifndef CONFIG_EXAMPLES_NXTEXT_BMCACHE
# define CONFIG_EXAMPLES_NXTEXT_BMCACHE 128
#endif
/* Font glyph caching */
#ifndef CONFIG_EXAMPLES_NXTEXT_GLCACHE
# define CONFIG_EXAMPLES_NXTEXT_GLCACHE 16
#endif
/* NX Server Configuration */
#ifdef CONFIG_DISABLE_MQUEUE
# error "The multi-threaded example requires MQ support (CONFIG_DISABLE_MQUEUE=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_NXTEXT_STACKSIZE
# define CONFIG_EXAMPLES_NXTEXT_STACKSIZE 2048
#endif
#ifndef CONFIG_EXAMPLES_NXTEXT_LISTENERPRIO
# define CONFIG_EXAMPLES_NXTEXT_LISTENERPRIO 100
#endif
#ifndef CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO
# define CONFIG_EXAMPLES_NXTEXT_CLIENTPRIO 100
#endif
/* Bitmap flags */
#define BMFLAGS_NOGLYPH (1 << 0) /* No glyph available, use space */
#define BM_ISSPACE(bm) (((bm)->flags & BMFLAGS_NOGLYPH) != 0)
/* Sizes and maximums */
#define MAX_USECNT 255 /* Limit to range of a uint8_t */
/****************************************************************************
* Public Types
****************************************************************************/
enum exitcode_e
{
NXEXIT_SUCCESS = 0,
NXEXIT_SCHEDSETPARAM,
NXEXIT_SERVERSTART,
NXEXIT_PTHREADCREATE,
NXEXIT_EXTINITIALIZE,
NXEXIT_FBINITIALIZE,
NXEXIT_FBGETVPLANE,
NXEXIT_LCDINITIALIZE,
NXEXIT_LCDGETDEV,
NXEXIT_NXOPEN,
NXEXIT_FONTOPEN,
NXEXIT_NXREQUESTBKGD,
NXEXIT_NXCONNECT,
NXEXIT_NXSETBGCOLOR,
NXEXIT_NXOPENWINDOW,
NXEXIT_NXSETSIZE,
NXEXIT_NXSETPOSITION,
NXEXIT_NXCLOSEWINDOW,
NXEXIT_LOSTSERVERCONN
};
/* Describes one cached glyph bitmap */
struct nxtext_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) */
uint8_t usecnt; /* Use count */
FAR uint8_t *bitmap; /* Allocated bitmap memory */
};
/* Describes on character on the display */
struct nxtext_bitmap_s
{
uint8_t code; /* Character code */
uint8_t flags; /* See BMFLAGS_* */
struct nxgl_point_s pos; /* Character position */
};
/* Describes the state of one text display */
struct nxtext_state_s
{
/* The following describe the window */
nxgl_mxpixel_t wcolor[CONFIG_NX_NPLANES]; /* Window color */
struct nxgl_size_s wsize; /* Window size */
struct nxgl_point_s wpos; /* Window position */
/* These characterize the font in use */
nxgl_mxpixel_t fcolor[CONFIG_NX_NPLANES]; /* Font color */
uint8_t fheight; /* Max height of a font in pixels */
uint8_t fwidth; /* Max width of a font in pixels */
uint8_t spwidth; /* The width of a space */
struct nxgl_point_s fpos; /* Next display position */
/* These describe all text already added to the display */
uint8_t maxglyphs; /* Size of the glyph[] array */
uint16_t maxchars; /* Size of the bm[] array */
uint16_t nchars; /* Number of chars in the bm[] array */
FAR struct nxtext_bitmap_s *bm; /* List of characters on the display */
FAR struct nxtext_glyph_s *glyph; /* Cache of rendered fonts in use */
};
/****************************************************************************
* Public Data
****************************************************************************/
/* The connection handler */
extern NXHANDLE g_hnx;
/* Background window handle */
extern NXHANDLE g_bgwnd;
/* The font handlse */
extern NXHANDLE g_bghfont;
extern NXHANDLE g_puhfont;
/* NX callback vtables */
extern const struct nx_callback_s g_nxtextcb;
/* The screen resolution */
extern nxgl_coord_t g_xres;
extern nxgl_coord_t g_yres;
extern bool b_haveresolution;
extern bool g_connected;
extern sem_t g_semevent;
extern int g_exitcode;
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
FAR void *nxtext_listener(FAR void *arg);
/* Background window interfaces */
FAR struct nxtext_state_s *nxbg_getstate(void);
void nxbg_write(NXWINDOW hwnd, FAR const uint8_t *buffer, size_t buflen);
/* Pop-up window interfaces */
NXWINDOW nxpu_open(void);
int nxpu_close(NXWINDOW hwnd);
/* Generic text helpers */
void nxtext_home(FAR struct nxtext_state_s *st);
void nxtext_newline(FAR struct nxtext_state_s *st);
void nxtext_putc(NXWINDOW hwnd, FAR struct nxtext_state_s *st,
NXHANDLE hfont, uint8_t ch);
void nxtext_fillchar(NXWINDOW hwnd, FAR const struct nxgl_rect_s *rect,
FAR struct nxtext_state_s *st, NXHANDLE hfont,
FAR const struct nxtext_bitmap_s *bm);
#endif /* __APPS_EXAMPLES_NXTEXT_NXTEXT_INTERNAL_H */
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