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Cool new credits scroller for player.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6426 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jens Arnold 2005-05-08 11:51:06 +00:00
parent d8237fd65f
commit 46295b5312
1 changed files with 45 additions and 19 deletions
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64
apps/credits.c
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@ -23,41 +23,67 @@
#include "kernel.h"
#include "button.h"
#include "sprintf.h"
#include "string.h"
const char* const credits[] = {
#include "credits.raw" /* generated list of names from docs/CREDITS */
};
#ifdef HAVE_LCD_BITMAP
#define MAX_LINES 7
#define DISPLAY_TIME HZ*2
#else
#define MAX_LINES 2
#define DISPLAY_TIME HZ
#endif
#ifdef HAVE_LCD_CHARCELLS
#define MAX(x, y) ((x) > (y) ? (x) : (y))
void roll_credits(void)
{
int i;
int line = 0;
int numnames = sizeof(credits)/sizeof(char*);
int curr_name = 0;
int curr_len = strlen(credits[0]);
int curr_index = 0;
int curr_line = 0;
int name, len, new_len, line, x;
lcd_clear_display();
for ( i=0; i < numnames; i += MAX_LINES )
while (1)
{
lcd_clear_display();
for(line = 0;line < MAX_LINES && line+i < numnames;line++)
{
lcd_puts(0, line, credits[line+i]);
}
name = curr_name;
x = -curr_index;
len = curr_len;
line = curr_line;
while (x < 11)
{
int x2;
if (x < 0)
lcd_puts(0, line, credits[name] - x);
else
lcd_puts(x, line, credits[name]);
if (++name >= numnames)
break;
x2 = x + len/2;
if ((unsigned)x2 < 11)
lcd_puts(x2, line ^ 1, "*");
new_len = strlen(credits[name]);
x += MAX(len/2 + 2, len - new_len/2 + 1);
len = new_len;
line ^= 1;
}
/* abort on keypress */
if (button_get_w_tmo(DISPLAY_TIME) & BUTTON_REL)
if (button_get_w_tmo(HZ/8) & BUTTON_REL)
return;
if (++curr_index >= curr_len)
{
if (++curr_name >= numnames)
break;
new_len = strlen(credits[curr_name]);
curr_index -= MAX(curr_len/2 + 2, curr_len - new_len/2 + 1);
curr_len = new_len;
curr_line ^= 1;
}
}
return;
}
#else