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Add viewport capabilities to all the LCD drivers, and adapt scrolling code. This is the firmware/ part of FS#8385 - the changes to the WPS code still need more work and will be committed at a later date. NOTE: There are no user-visible changes with this commit - just the infrastructure.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@16018 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Dave Chapman 2008-01-07 20:34:11 +00:00
parent 2a8f39820b
commit 945c8a221a
12 changed files with 1475 additions and 665 deletions
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28
firmware/export/lcd.h
View file

@ -24,6 +24,28 @@
#include "cpu.h"
#include "config.h"
struct viewport {
int x;
int y;
int width;
int height;
#ifdef HAVE_LCD_BITMAP
int font;
int drawmode;
#endif
int xmargin; /* During the transition only - to be removed */
int ymargin; /* During the transition only - to be removed */
#if LCD_DEPTH > 1
unsigned fg_pattern;
unsigned bg_pattern;
#ifdef HAVE_LCD_COLOR
unsigned lss_pattern;
unsigned lse_pattern;
unsigned lst_pattern;
#endif
#endif
};
#define STYLE_DEFAULT 0x00000000
#define STYLE_COLORED 0x10000000
#define STYLE_INVERT 0x20000000
@ -76,9 +98,14 @@ extern void lcd_set_contrast(int val);
extern void lcd_setmargins(int xmargin, int ymargin);
extern int lcd_getxmargin(void);
extern int lcd_getymargin(void);
extern int lcd_getwidth(void);
extern int lcd_getheight(void);
extern int lcd_getstringsize(const unsigned char *str, int *w, int *h);
extern void lcd_set_viewport(struct viewport* vp);
extern void lcd_update(void);
extern void lcd_update_viewport(void);
extern void lcd_clear_viewport(void);
extern void lcd_clear_display(void);
extern void lcd_putsxy(int x, int y, const unsigned char *string);
extern void lcd_puts(int x, int y, const unsigned char *string);
@ -119,6 +146,7 @@ extern void lcd_blit(const fb_data* data, int x, int by, int width,
/* update a fraction of the screen */
extern void lcd_update_rect(int x, int y, int width, int height);
extern void lcd_update_viewport_rect(int x, int y, int width, int height);
#ifdef HAVE_REMOTE_LCD
extern void lcd_remote_update(void);