From 5b2cba17aa95ececfdb6a498540de4dfa215e920 Mon Sep 17 00:00:00 2001 From: Jens Arnold Date: Wed, 16 Nov 2005 21:09:23 +0000 Subject: Changed the LCD_COLOR pixel value format to packed RGB (unsigned int). Now all LCDs with depth > 1 use the same datatype. Added macros for easy pixel value definition. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7912 a1c6a512-1295-4272-9138-f99709370657 --- firmware/export/lcd.h | 71 +++++++++++++++++++++++++++------------------------ 1 file changed, 37 insertions(+), 34 deletions(-) (limited to 'firmware/export/lcd.h') diff --git a/firmware/export/lcd.h b/firmware/export/lcd.h index 2d04cec054..48244fe2a8 100644 --- a/firmware/export/lcd.h +++ b/firmware/export/lcd.h @@ -140,29 +140,39 @@ typedef void lcd_blockfunc_type(unsigned char *address, unsigned mask, unsigned #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) +#define LCD_MAX_RED 31 +#define LCD_MAX_GREEN 63 +#define LCD_MAX_BLUE 31 +#define _RGBPACK(r, g, b) ( ((((r) * 31 + 127) / 255) << 11) \ + |((((g) * 63 + 127) / 255) << 5) \ + | (((b) * 31 + 127) / 255)) +#if (CONFIG_LCD == LCD_IPODCOLOR) || (CONFIG_LCD == LCD_IPODNANO) +#define LCD_RGBPACK(r, g, b) ( ((_RGBPACK((r), (g), (b)) & 0xff00) >> 8) \ + |((_RGBPACK((r), (g), (b)) & 0x00ff) << 8)) #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) +#define LCD_RGBPACK(r, g, b) _RGBPACK((r), (g), (b)) #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 */ +#else +/* other colour depths */ +#endif + +#define LCD_BLACK LCD_RGBPACK(0, 0, 0) +#define LCD_DARKGRAY LCD_RGBPACK(85, 85, 85) +#define LCD_LIGHTGRAY LCD_RGBPACK(170, 170, 170) +#define LCD_WHITE LCD_RGBPACK(255, 255, 255) +#define LCD_DEFAULT_FG LCD_BLACK +#define LCD_DEFAULT_BG LCD_RGBPACK(182, 198, 229) /* rockbox blue */ + +#elif LCD_DEPTH > 1 /* greyscale */ #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 +#define LCD_BRIGHTNESS(y) (((y) * LCD_MAX_LEVEL + 127) / 255) + +#define LCD_BLACK LCD_BRIGHTNESS(0) +#define LCD_DARKGRAY LCD_BRIGHTNESS(85) +#define LCD_LIGHTGRAY LCD_BRIGHTNESS(170) +#define LCD_WHITE LCD_BRIGHTNESS(255) +#define LCD_DEFAULT_FG LCD_BLACK +#define LCD_DEFAULT_BG LCD_WHITE #endif /* Memory copy of display bitmap */ @@ -207,20 +217,13 @@ 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_set_foreground(unsigned foreground); +extern unsigned lcd_get_foreground(void); +extern void lcd_set_background(unsigned background); +extern unsigned lcd_get_background(void); +extern void lcd_set_drawinfo(int mode, unsigned foreground, + unsigned background); + 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, -- cgit v1.2.3