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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.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@7912 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2005-11-16 21:09:23 +00:00
parent 15046f99b3
commit 5b2cba17aa
15 changed files with 94 additions and 148 deletions
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71
firmware/export/lcd.h
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@ -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,