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nuttx-apps/graphics/pdcurs34/nuttx/pdcnuttx.h

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/****************************************************************************
* apps/graphics/nuttx/pdcnuttx.h
*
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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 __APPS_GRAPHICS_PDCURS34_NUTTX_PDCNUTTX_H
#define __APPS_GRAPHICS_PDCURS34_NUTTX_PDCNUTTX_H 1
/****************************************************************************
* Included Files
****************************************************************************/
#include "nuttx/config.h"
#include <stdint.h>
#include "nuttx/input/djoystick.h"
#include "nuttx/nx/nx.h"
#include "nuttx/nx/nxfonts.h"
#include <nuttx/video/fb.h>
#include <nuttx/video/rgbcolors.h>
#include "curspriv.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#undef HAVE_BOLD_FONT
#if defined(CONFIG_PDCURSES_FONT_4X6)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_4X6
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_4X6
#elif defined(CONFIG_PDCURSES_FONT_5X7)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_5X7
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_5X7
#elif defined(CONFIG_PDCURSES_FONT_5X8)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_5X8
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_5X8
#elif defined(CONFIG_PDCURSES_FONT_6X9)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X9
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_6X9
#elif defined(CONFIG_PDCURSES_FONT_6X10)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X10
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_6X10
#elif defined(CONFIG_PDCURSES_FONT_6X12)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X12
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_6X12
#elif defined(CONFIG_PDCURSES_FONT_6X13)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_6X13
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_6X13B
# define HAVE_BOLD_FONT 1
#elif defined(CONFIG_PDCURSES_FONT_7X13)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_7X13
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_7X13B
# define HAVE_BOLD_FONT 1
#elif defined(CONFIG_PDCURSES_FONT_7X14)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_7X14
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_7X14B
# define HAVE_BOLD_FONT 1
#elif defined(CONFIG_PDCURSES_FONT_8X13)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_8X13
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_8X13B
# define HAVE_BOLD_FONT 1
#elif defined(CONFIG_PDCURSES_FONT_9X15)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_9X15
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_9X15B
# define HAVE_BOLD_FONT 1
#elif defined(CONFIG_PDCURSES_FONT_9X18)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_9X18
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_9X18B
# define HAVE_BOLD_FONT 1
#elif defined(CONFIG_PDCURSES_FONT_10X20)
# define PDCURSES_FONTID FONTID_X11_MISC_FIXED_10X20
# define PDCURSES_BOLD_FONTID FONTID_X11_MISC_FIXED_10X20
#else
# error No fixed width font selected
#endif
#if defined(CONFIG_PDCURSES_COLORFMT_Y1)
# warning CONFIG_PDCURSES_COLORFMT_Y1 not yet supported
# define PDCURSES_COLORFMT FB_FMT_Y1
# define PDCURSES_BPP 1
# define PDCURSES_INIT_COLOR PDCURSES_BGCOLOR_GREYLEVEL
#elif defined(CONFIG_PDCURSES_COLORFMT_RGB332)
# define PDCURSES_COLORFMT FB_FMT_RGB8_332
# define PDCURSES_BPP 8
# define PDCURSES_BPP_MASK 7
# define PDCURSES_BPP_SHIFT 3
# define PDCURSES_INIT_COLOR RGBTO8(CONFIG_PDCURSES_BGCOLOR_RED, \
CONFIG_PDCURSES_BGCOLOR_GREEN, \
CONFIG_PDCURSES_BGCOLOR_BLUE)
#elif defined(CONFIG_PDCURSES_COLORFMT_RGB565)
# define PDCURSES_COLORFMT FB_FMT_RGB16_565
# define PDCURSES_BPP 16
# define PDCURSES_BPP_MASK 15
# define PDCURSES_BPP_SHIFT 4
# define PDCURSES_INIT_COLOR RGBTO16(CONFIG_PDCURSES_BGCOLOR_RED, \
CONFIG_PDCURSES_BGCOLOR_GREEN, \
CONFIG_PDCURSES_BGCOLOR_BLUE)
#elif defined(CONFIG_PDCURSES_COLORFMT_RGB888)
# define PDCURSES_COLORFMT FB_FMT_RGB24 /* RGB24 at 32-BPP */
# define PDCURSES_BPP 32
# define PDCURSES_BPP_MASK 31
# define PDCURSES_BPP_SHIFT 5
# define PDCURSES_INIT_COLOR RGBTO24(CONFIG_PDCURSES_BGCOLOR_RED, \
CONFIG_PDCURSES_BGCOLOR_GREEN, \
CONFIG_PDCURSES_BGCOLOR_BLUE)
#else
# error No color format selected
#endif
/* Select renderer -- Some additional logic would be required to support
* pixel depths that are not directly addressable (1,2,4, and 24).
*/
#if PDCURSES_BPP == 1
# define RENDERER nxf_convert_1bpp
#elif PDCURSES_BPP == 2
# define RENDERER nxf_convert_2bpp
#elif PDCURSES_BPP == 4
# define RENDERER nxf_convert_4bpp
#elif PDCURSES_BPP == 8
# define RENDERER nxf_convert_8bpp
#elif PDCURSES_BPP == 16
# define RENDERER nxf_convert_16bpp
#elif PDCURSES_BPP == 24
# define RENDERER nxf_convert_24bpp
#elif PDCURSES_BPP == 32
# define RENDERER nxf_convert_32bpp
#else
# error "Unsupported bits-per-pixel"
#endif
/* Convert bits to bytes to hold an even number of pixels */
#define PDCURSES_ALIGN_UP(n) (((n) + PDCURSES_BPP_MASK) >> 3)
#define PDCURSES_ALIGN_DOWN(n) (((n) & ~PDCURSES_BPP_MASK) >> 3)
/****************************************************************************
* Private Types
****************************************************************************/
#if defined(__cplusplus)
extern "C"
{
# define EXTERN extern "C"
#else
# define EXTERN extern
#endif
/* Describes one color pair */
struct pdc_colorpair_s
{
short fg;
short bg;
};
/* Describes one RGB color */
struct pdc_rgbcolor_s
{
uint8_t red;
uint8_t green;
uint8_t blue;
};
/* Holds one framebuffer pixel */
#if defined(CONFIG_PDCURSES_COLORFMT_RGB332)
typedef uint8_t pdc_color_t;
#elif defined(CONFIG_PDCURSES_COLORFMT_RGB565)
typedef uint16_t pdc_color_t;
#elif defined(CONFIG_PDCURSES_COLORFMT_RGB888)
typedef uint32_t pdc_color_t;
#endif
/* This structure provides the overall state of the frambuffer device */
struct pdc_fbstate_s
{
/* Framebuffer */
int fbfd; /* Open framebuffer driver file descriptor */
FAR void *fbmem; /* Start of framebuffer memory */
fb_coord_t xres; /* Horizontal resolution (pixels) */
fb_coord_t yres; /* Vertical resolution (rows) */
fb_coord_t stride; /* Length of a line (bytes) */
#ifdef CONFIG_PDCURSES_DJOYSTICK
/* Discrete joystick */
int djfd; /* Open discrete joystick driver file descriptor */
djoy_buttonset_t djlast; /* Last sampled joystick state */
#endif
/* Font */
NXHANDLE hfont; /* Handled uses to access selected font */
#ifdef HAVE_BOLD_FONT
NXHANDLE hbold; /* Handled uses to access bold font */
#endif
uint8_t fheight; /* Height of the font (rows) */
uint8_t fwidth; /* Width of the font (pixels) */
/* Drawable area (See also SP->lines and SP->cols) */
fb_coord_t xpos; /* Drawing X position (pixels) */
fb_coord_t ypos; /* Drawing Y position (rows) */
uint8_t hoffset; /* Offset from left of display (pixels) */
uint8_t voffset; /* Offset from top of display (rows) */
/* Colors */
struct pdc_colorpair_s colorpair[PDC_COLOR_PAIRS];
struct pdc_rgbcolor_s rgbcolor[16];
};
/* This structure contains the framebuffer device structure and is a cast
* compatible with type SCREEN.
*/
struct pdc_fbscreen_s
{
SCREEN screen;
struct pdc_fbstate_s fbstate;
};
/****************************************************************************
* Public Data
****************************************************************************/
/* This singleton represents the state of frame buffer device. pdcurses
* depends on global variables and, hence, can never support more than a
* single framebuffer instance in the same address space.
*/
EXTERN struct pdc_fbstate_s g_pdc_fbstate;
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: PDC_clear_screen
*
* Description:
* Set the framebuffer content to a single color
*
****************************************************************************/
void PDC_clear_screen(FAR struct pdc_fbstate_s *fbstate);
/****************************************************************************
* Name: PDC_input_open
*
* Description:
* Open and configure any input devices
*
****************************************************************************/
#ifdef CONFIG_PDCURSES_HAVE_INPUT
int PDC_input_open(FAR struct pdc_fbstate_s *fbstate);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __APPS_GRAPHICS_PDCURS34_NUTTX_PDCNUTTX_H */
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