1
0
Fork 0
forked from len0rd/rockbox

Scroll on main and remote with a single thread. Change the way system messages are defined before running out is an issue (which requires a full update of rockbox on the player).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14035 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michael Sevakis 2007-07-28 08:12:05 +00:00
parent 885cdfdeb9
commit 58fc279d26
17 changed files with 859 additions and 994 deletions

View file

@ -33,8 +33,7 @@
#include "font.h"
#include "rbunicode.h"
#include "bidi.h"
#define SCROLLABLE_LINES (((LCD_HEIGHT+4)/5 < 32) ? (LCD_HEIGHT+4)/5 : 32)
#include "scroll_engine.h"
/*** globals ***/
@ -54,33 +53,13 @@ static int xmargin = 0;
static int ymargin = 0;
static int curfont = FONT_SYSFIXED;
/* scrolling */
static volatile int scrolling_lines=0; /* Bitpattern of which lines are scrolling */
static void scroll_thread(void);
static long scroll_stack[DEFAULT_STACK_SIZE/sizeof(long)];
static const char scroll_name[] = "scroll";
static int scroll_ticks = 12; /* # of ticks between updates*/
static int scroll_delay = HZ/2; /* ticks delay before start */
static int scroll_step = 6; /* pixels per scroll step */
static int bidir_limit = 50; /* percent */
static struct scrollinfo scroll[SCROLLABLE_LINES];
static const char scroll_tick_table[16] = {
/* Hz values:
1, 1.25, 1.55, 2, 2.5, 3.12, 4, 5, 6.25, 8.33, 10, 12.5, 16.7, 20, 25, 33 */
100, 80, 64, 50, 40, 32, 25, 20, 16, 12, 10, 8, 6, 5, 4, 3
};
/* LCD init */
void lcd_init(void)
{
lcd_clear_display();
/* Call device specific init */
lcd_init_device();
create_thread(scroll_thread, scroll_stack,
sizeof(scroll_stack), scroll_name IF_PRIO(, PRIORITY_USER_INTERFACE)
IF_COP(, CPU, false));
scroll_init();
}
/*** parameter handling ***/
@ -143,6 +122,11 @@ void lcd_setfont(int newfont)
curfont = newfont;
}
int lcd_getfont(void)
{
return curfont;
}
int lcd_getstringsize(const unsigned char *str, int *w, int *h)
{
return font_getstringsize(str, w, h, curfont);
@ -377,7 +361,8 @@ void lcd_clear_display(void)
else
memset(lcd_framebuffer, bg_pattern, sizeof lcd_framebuffer);
}
scrolling_lines = 0;
lcd_scroll_info.lines = 0;
}
/* Set a single pixel */
@ -862,7 +847,7 @@ void lcd_puts_style_offset(int x, int y, const unsigned char *str,
int lastmode = drawmode;
/* make sure scrolling is turned off on the line we are updating */
scrolling_lines &= ~(1 << y);
lcd_scroll_info.lines &= ~(1 << y);
if(!str || !str[0])
return;
@ -880,46 +865,6 @@ void lcd_puts_style_offset(int x, int y, const unsigned char *str,
}
/*** scrolling ***/
/* Reverse the invert setting of the scrolling line (if any) at given char
position. Setting will go into affect next time line scrolls. */
void lcd_invertscroll(int x, int y)
{
struct scrollinfo* s;
(void)x;
if(y>=SCROLLABLE_LINES) return;
s = &scroll[y];
s->invert = !s->invert;
}
void lcd_stop_scroll(void)
{
scrolling_lines=0;
}
void lcd_scroll_speed(int speed)
{
scroll_ticks = scroll_tick_table[speed];
}
void lcd_scroll_step(int step)
{
scroll_step = step;
}
void lcd_scroll_delay(int ms)
{
scroll_delay = ms / (HZ / 10);
}
void lcd_bidir_scroll(int percent)
{
bidir_limit = percent;
}
void lcd_puts_scroll(int x, int y, const unsigned char *string)
{
lcd_puts_scroll_style(x, y, string, STYLE_DEFAULT);
@ -941,11 +886,11 @@ void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
struct scrollinfo* s;
int w, h;
if(y>=SCROLLABLE_LINES) return;
if(y>=LCD_SCROLLABLE_LINES) return;
s = &scroll[y];
s = &lcd_scroll_info.scroll[y];
s->start_tick = current_tick + scroll_delay;
s->start_tick = current_tick + lcd_scroll_info.delay;
s->invert = false;
if (style & STYLE_INVERT) {
s->invert = true;
@ -968,9 +913,9 @@ void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
/* scroll bidirectional or forward only depending on the string
width */
if ( bidir_limit ) {
if ( lcd_scroll_info.bidir_limit ) {
s->bidir = s->width < (LCD_WIDTH - xmargin) *
(100 + bidir_limit) / 100;
(100 + lcd_scroll_info.bidir_limit) / 100;
}
else
s->bidir = false;
@ -988,14 +933,14 @@ void lcd_puts_scroll_style_offset(int x, int y, const unsigned char *string,
s->offset = offset;
s->startx = xmargin + x * s->width / s->len;;
s->backward = false;
scrolling_lines |= (1<<y);
lcd_scroll_info.lines |= (1<<y);
}
else
/* force a bit switch-off since it doesn't scroll */
scrolling_lines &= ~(1<<y);
lcd_scroll_info.lines &= ~(1<<y);
}
static void scroll_thread(void)
void lcd_scroll_fn(void)
{
struct font* pf;
struct scrollinfo* s;
@ -1003,58 +948,51 @@ static void scroll_thread(void)
int xpos, ypos;
int lastmode;
/* initialize scroll struct array */
scrolling_lines = 0;
for ( index = 0; index < LCD_SCROLLABLE_LINES; index++ ) {
/* really scroll? */
if ((lcd_scroll_info.lines & (1 << index)) == 0)
continue;
while ( 1 ) {
for ( index = 0; index < SCROLLABLE_LINES; index++ ) {
/* really scroll? */
if ( !(scrolling_lines&(1<<index)) )
continue;
s = &lcd_scroll_info.scroll[index];
s = &scroll[index];
/* check pause */
if (TIME_BEFORE(current_tick, s->start_tick))
continue;
/* check pause */
if (TIME_BEFORE(current_tick, s->start_tick))
continue;
if (s->backward)
s->offset -= lcd_scroll_info.step;
else
s->offset += lcd_scroll_info.step;
if (s->backward)
s->offset -= scroll_step;
else
s->offset += scroll_step;
pf = font_get(curfont);
xpos = s->startx;
ypos = ymargin + index * pf->height;
pf = font_get(curfont);
xpos = s->startx;
ypos = ymargin + index * pf->height;
if (s->bidir) { /* scroll bidirectional */
if (s->offset <= 0) {
/* at beginning of line */
s->offset = 0;
s->backward = false;
s->start_tick = current_tick + scroll_delay * 2;
}
if (s->offset >= s->width - (LCD_WIDTH - xpos)) {
/* at end of line */
s->offset = s->width - (LCD_WIDTH - xpos);
s->backward = true;
s->start_tick = current_tick + scroll_delay * 2;
}
if (s->bidir) { /* scroll bidirectional */
if (s->offset <= 0) {
/* at beginning of line */
s->offset = 0;
s->backward = false;
s->start_tick = current_tick + lcd_scroll_info.delay * 2;
}
else {
/* scroll forward the whole time */
if (s->offset >= s->width)
s->offset %= s->width;
if (s->offset >= s->width - (LCD_WIDTH - xpos)) {
/* at end of line */
s->offset = s->width - (LCD_WIDTH - xpos);
s->backward = true;
s->start_tick = current_tick + lcd_scroll_info.delay * 2;
}
lastmode = drawmode;
drawmode = s->invert ?
(DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID;
lcd_putsxyofs(xpos, ypos, s->offset, s->line);
drawmode = lastmode;
lcd_update_rect(xpos, ypos, LCD_WIDTH - xpos, pf->height);
}
else {
/* scroll forward the whole time */
if (s->offset >= s->width)
s->offset %= s->width;
}
sleep(scroll_ticks);
lastmode = drawmode;
drawmode = s->invert ?
(DRMODE_SOLID|DRMODE_INVERSEVID) : DRMODE_SOLID;
lcd_putsxyofs(xpos, ypos, s->offset, s->line);
drawmode = lastmode;
lcd_update_rect(xpos, ypos, LCD_WIDTH - xpos, pf->height);
}
}