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rockbox/firmware/export/lcd.h
Dave Chapman 0c0534e297 Add LCD_LIGHTGRAY and LCD_DARKGRAY macros and correctly use LCD_LIGHTGRAY in the old splash screen 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7837 a1c6a512-1295-4272-9138-f99709370657
2005-11-13 01:15:47 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Alan Korr
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __LCD_H__
#define __LCD_H__
#include <stdbool.h>
#include "cpu.h"
#include "config.h"
#define STYLE_DEFAULT 0
#define STYLE_INVERT 1
#ifdef SIMULATOR
#define lcd_icon(x,y) sim_lcd_icon(x,y)
#define MAX_PATH 260
#else
#include "file.h" /* for MAX_PATH; FIXME: Why does this not work for sims? */
#endif
/* common functions */
extern void lcd_write_command(int byte);
extern void lcd_write_command_ex(int cmd, int data1, int data2);
extern void lcd_write_data(const unsigned char* p_bytes, int count);
extern void lcd_init(void);
#ifdef SIMULATOR
/* Define a dummy device specific init for the sims */
#define lcd_init_device()
#else
extern void lcd_init_device(void);
#endif
extern void lcd_backlight(bool on);
extern int lcd_default_contrast(void);
extern void lcd_set_contrast(int val);
extern void lcd_clear_display(void);
extern void lcd_puts(int x, int y, const unsigned char *string);
extern void lcd_puts_style(int x, int y, const unsigned char *string, int style);
extern void lcd_putc(int x, int y, unsigned short ch);
extern void lcd_stop_scroll(void);
extern void lcd_scroll_speed(int speed);
extern void lcd_scroll_delay(int ms);
extern void lcd_puts_scroll(int x, int y, const unsigned char* string);
extern void lcd_puts_scroll_style(int x, int y, const unsigned char* string,
int style);
extern void lcd_icon(int icon, bool enable);
#if defined(SIMULATOR) || defined(HAVE_LCD_BITMAP)
/* performance function */
extern void lcd_blit(const unsigned char* data, int x, int by, int width,
int bheight, int stride);
extern void lcd_update(void);
/* update a fraction of the screen */
extern void lcd_update_rect(int x, int y, int width, int height);
#ifdef HAVE_REMOTE_LCD
extern void lcd_remote_update(void);
/* update a fraction of the screen */
extern void lcd_remote_update_rect(int x, int y, int width, int height);
#endif
#else
#define lcd_update()
#define lcd_update_rect(x,y,w,h)
#endif
#ifdef HAVE_LCD_CHARCELLS
/* Icon definitions for lcd_icon() */
enum
{
ICON_BATTERY = 0,
ICON_BATTERY_1,
ICON_BATTERY_2,
ICON_BATTERY_3,
ICON_USB,
ICON_PLAY,
ICON_RECORD,
ICON_PAUSE,
ICON_AUDIO,
ICON_REPEAT,
ICON_1,
ICON_VOLUME,
ICON_VOLUME_1,
ICON_VOLUME_2,
ICON_VOLUME_3,
ICON_VOLUME_4,
ICON_VOLUME_5,
ICON_PARAM
};
extern void lcd_double_height(bool on);
extern void lcd_define_hw_pattern(int which,const char *pattern,int length);
extern void lcd_define_pattern(int which,const char *pattern);
unsigned char lcd_get_locked_pattern(void);
void lcd_unlock_pattern(unsigned char pat);
void lcd_put_cursor(int x, int y, char cursor_char);
void lcd_remove_cursor(void);
extern void lcd_bidir_scroll(int threshold);
#define JUMP_SCROLL_ALWAYS 5
extern void lcd_jump_scroll(int mode); /* 0=off, 1=once, ..., ALWAYS */
extern void lcd_jump_scroll_delay(int ms);
#endif
/* Draw modes */
#define DRMODE_COMPLEMENT 0
#define DRMODE_BG 1
#define DRMODE_FG 2
#define DRMODE_SOLID 3
#define DRMODE_INVERSEVID 4 /* used as bit modifier for basic modes */
/* Low-level drawing function types */
typedef void lcd_pixelfunc_type(int x, int y);
typedef void lcd_blockfunc_type(unsigned char *address, unsigned mask, unsigned bits);
#ifdef HAVE_LCD_BITMAP
#ifdef HAVE_LCD_COLOR
#if LCD_DEPTH == 16
#define LCD_MAX_RED ((1 << 5) - 1)
#define LCD_MAX_GREEN ((1 << 6) - 1)
#define LCD_MAX_BLUE ((1 << 5) - 1)
#else
#define LCD_MAX_RED ((1 << (LCD_DEPTH/3)) - 1)
#define LCD_MAX_GREEN ((1 << (LCD_DEPTH/3)) - 1)
#define LCD_MAX_BLUE ((1 << (LCD_DEPTH/3)) - 1)
#endif
struct rgb {
unsigned char red;
unsigned char green;
unsigned char blue;
};
#define LCD_BLACK ((struct rgb){0, 0, 0})
#define LCD_DARKGRAY ((struct rgb){LCD_MAX_RED/3, LCD_MAX_GREEN/3, LCD_MAX_BLUE/3})
#define LCD_LIGHTGRAY ((struct rgb){2*LCD_MAX_RED/3, 2*LCD_MAX_GREEN/3, 2*LCD_MAX_BLUE/3})
#define LCD_WHITE ((struct rgb){LCD_MAX_RED, LCD_MAX_GREEN, LCD_MAX_BLUE})
#else /* monochrome */
#define LCD_MAX_LEVEL ((1 << LCD_DEPTH) - 1)
#define LCD_BLACK 0
#define LCD_DARKGRAY (LCD_MAX_LEVEL/3)
#define LCD_LIGHTGRAY (2*LCD_MAX_LEVEL/3)
#define LCD_WHITE LCD_MAX_LEVEL
#endif
/* Memory copy of display bitmap */
#if LCD_DEPTH == 1
extern unsigned char lcd_framebuffer[LCD_HEIGHT/8][LCD_WIDTH];
#elif LCD_DEPTH == 2
extern unsigned char lcd_framebuffer[LCD_HEIGHT/4][LCD_WIDTH];
#elif LCD_DEPTH == 16
extern unsigned char lcd_framebuffer[LCD_HEIGHT][LCD_WIDTH*2];
#endif
extern void lcd_set_invert_display(bool yesno);
extern void lcd_set_flip(bool yesno);
extern void lcd_roll(int pixels);
extern void lcd_set_drawmode(int mode);
extern int lcd_get_drawmode(void);
extern void lcd_setmargins(int xmargin, int ymargin);
extern int lcd_getxmargin(void);
extern int lcd_getymargin(void);
extern void lcd_setfont(int font);
extern int lcd_getstringsize(const unsigned char *str, int *w, int *h);
/* low level drawing function pointer arrays */
extern lcd_pixelfunc_type* const lcd_pixelfuncs[8];
extern lcd_blockfunc_type* const lcd_blockfuncs[8];
extern void lcd_drawpixel(int x, int y);
extern void lcd_drawline(int x1, int y1, int x2, int y2);
extern void lcd_hline(int x1, int x2, int y);
extern void lcd_vline(int x, int y1, int y2);
extern void lcd_drawrect(int x, int y, int width, int height);
extern void lcd_fillrect(int x, int y, int width, int height);
extern void lcd_bitmap_part(const unsigned char *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
extern void lcd_bitmap(const unsigned char *src, int x, int y, int width,
int height);
extern void lcd_putsxy(int x, int y, const unsigned char *string);
extern void lcd_invertscroll(int x, int y);
extern void lcd_bidir_scroll(int threshold);
extern void lcd_scroll_step(int pixels);
#if LCD_DEPTH > 1
#ifdef HAVE_LCD_COLOR
extern void lcd_set_foreground(struct rgb color);
extern struct rgb lcd_get_foreground(void);
extern void lcd_set_background(struct rgb color);
extern struct rgb lcd_get_background(void);
extern void lcd_set_drawinfo(int mode, struct rgb fg_color,
struct rgb bg_color);
#else /* monochrome */
extern void lcd_set_foreground(int brightness);
extern int lcd_get_foreground(void);
extern void lcd_set_background(int brightness);
extern int lcd_get_background(void);
extern void lcd_set_drawinfo(int mode, int fg_brightness, int bg_brightness);
#endif
extern void lcd_mono_bitmap_part(const unsigned char *src, int src_x, int src_y,
int stride, int x, int y, int width, int height);
extern void lcd_mono_bitmap(const unsigned char *src, int x, int y, int width,
int height);
#else /* LCD_DEPTH == 1 */
#define lcd_mono_bitmap lcd_bitmap
#define lcd_mono_bitmap_part lcd_bitmap_part
#endif
#endif /* HAVE_LCD_BITMAP */
/* internal usage, but in multiple drivers */
#ifdef HAVE_LCD_BITMAP
#define SCROLL_SPACING 3
struct scrollinfo {
char line[MAX_PATH + LCD_WIDTH/2 + SCROLL_SPACING + 2];
int len; /* length of line in chars */
int width; /* length of line in pixels */
int offset;
int startx;
bool backward; /* scroll presently forward or backward? */
bool bidir;
bool invert; /* invert the scrolled text */
long start_tick;
};
#else /* !HAVE_LCD_BITMAP */
struct scrollinfo {
int mode;
char text[MAX_PATH];
int textlen;
int offset;
int turn_offset;
int startx;
int starty;
long scroll_start_tick;
int direction; /* +1 for right or -1 for left*/
int jump_scroll;
int jump_scroll_steps;
};
#endif
#endif /* __LCD_H__ */
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