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rockbox/apps/plugins/credits.c
Dave Chapman 6c6b2507b1 Correct a comment 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12767 a1c6a512-1295-4272-9138-f99709370657
2007-03-14 21:54:18 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Robert Hak <rhak at ramapo.edu>
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
PLUGIN_HEADER
void roll_credits(void);
const char* const credits[] = {
#include "credits.raw" /* generated list of names from docs/CREDITS */
};
static struct plugin_api* rb;
enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
{
int j = 0;
int btn;
(void)parameter;
rb = api;
/* Turn off backlight timeout */
rb->backlight_set_timeout(1);
rb->show_logo();
#ifdef HAVE_LCD_CHARCELLS
rb->lcd_double_height(false);
#endif
/* Show the logo for about 3 secs allowing the user to stop */
for (j = 0; j < 15; j++) {
rb->sleep((HZ*2)/10);
btn = rb->button_get(false);
if (btn != BUTTON_NONE && !(btn & BUTTON_REL))
goto end_of_proc;
}
roll_credits();
end_of_proc:
/* Restore the values we've changed */
rb->backlight_set_timeout(rb->global_settings->backlight_timeout);
return PLUGIN_OK;
}
#ifdef HAVE_LCD_CHARCELLS
void roll_credits(void)
{
int numnames = sizeof(credits)/sizeof(char*);
int curr_name = 0;
int curr_len = rb->utf8length(credits[0]);
int curr_index = 0;
int curr_line = 0;
int name, len, new_len, line, x;
while (1)
{
rb->lcd_clear_display();
name = curr_name;
x = -curr_index;
len = curr_len;
line = curr_line;
while (x < 11)
{
int x2;
if (x < 0)
rb->lcd_puts(0, line, credits[name] + rb->utf8seek(credits[name], -x));
else
rb->lcd_puts(x, line, credits[name]);
if (++name >= numnames)
break;
line ^= 1;
x2 = x + len/2;
if ((unsigned)x2 < 11)
rb->lcd_putc(x2, line, '*');
new_len = rb->utf8length(credits[name]);
x += MAX(len/2 + 2, len - new_len/2 + 1);
len = new_len;
}
/* abort on keypress */
if (rb->button_get_w_tmo(HZ/8) & BUTTON_REL)
return;
if (++curr_index >= curr_len)
{
if (++curr_name >= numnames)
break;
new_len = rb->utf8length(credits[curr_name]);
curr_index -= MAX(curr_len/2 + 2, curr_len - new_len/2 + 1);
curr_len = new_len;
curr_line ^= 1;
}
}
}
#else
void roll_credits(void)
{
#if (CONFIG_KEYPAD == RECORDER_PAD)
#define PAUSE_TIME 1.2
#define ANIM_SPEED 35
#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
#define PAUSE_TIME 0
#define ANIM_SPEED 100
#elif (CONFIG_KEYPAD == IRIVER_H100_PAD) || (CONFIG_KEYPAD == IRIVER_H300_PAD)
#define PAUSE_TIME 0
#define ANIM_SPEED 35
#elif (CONFIG_KEYPAD == GIGABEAT_PAD)
#define PAUSE_TIME 0
#define ANIM_SPEED 100
#else
#define PAUSE_TIME 1
#define ANIM_SPEED 40
#endif
#define NUM_VISIBLE_LINES (LCD_HEIGHT/font_h - 1)
#define CREDITS_TARGETPOS ((LCD_WIDTH/2)-(credits_w/2))
int i=0, j=0, namepos=0, offset_dummy, btn;
int name_w, name_h, name_targetpos=1, font_h;
int credits_w, credits_pos;
int numnames = (sizeof(credits)/sizeof(char*));
char name[40], elapsednames[20];
rb->lcd_setfont(FONT_UI);
rb->lcd_clear_display();
rb->lcd_update();
rb->lcd_getstringsize("A", NULL, &font_h);
/* snprintf "credits" text, and save the width and height */
rb->snprintf(elapsednames, sizeof(elapsednames), "[Credits] %d/%d",
j+1, numnames);
rb->lcd_getstringsize(elapsednames, &credits_w, NULL);
/* fly in "credits" text from the left */
for(credits_pos = 0 - credits_w; credits_pos <= CREDITS_TARGETPOS;
credits_pos += (CREDITS_TARGETPOS-credits_pos + 14) / 7)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, 0, LCD_WIDTH, font_h);
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_putsxy(credits_pos, 0, elapsednames);
rb->lcd_update_rect(0, 0, LCD_WIDTH, font_h);
rb->sleep(HZ/ANIM_SPEED);
}
/* first screen's worth of lines fly in */
for(i=0; i<NUM_VISIBLE_LINES; i++)
{
rb->snprintf(name, sizeof(name), "%s", credits[i]);
rb->lcd_getstringsize(name, &name_w, &name_h);
rb->snprintf(elapsednames, sizeof(elapsednames), "[Credits] %d/%d",
i+1, numnames);
rb->lcd_getstringsize(elapsednames, &credits_w, NULL);
rb->lcd_putsxy(CREDITS_TARGETPOS, 0, elapsednames);
for(namepos = 0-name_w; namepos <= name_targetpos;
namepos += (name_targetpos - namepos + 14) / 7)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, font_h*(i+1), LCD_WIDTH, font_h); /* clear any trails left behind */
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_putsxy(namepos, font_h*(i+1), name);
rb->lcd_update_rect(0, font_h*(i+1), LCD_WIDTH, font_h);
rb->lcd_update_rect(CREDITS_TARGETPOS, 0, credits_w, font_h);
/* exit on keypress */
btn = rb->button_get_w_tmo(HZ/ANIM_SPEED);
if (btn != BUTTON_NONE && !(btn & BUTTON_REL))
return;
}
}
j+=i;
/* pause for a bit if needed */
btn = rb->button_get_w_tmo(HZ*PAUSE_TIME); /* exit on keypress */
if (btn != BUTTON_NONE && !(btn & BUTTON_REL))
return;
/* now begin looping the in-out animation */
while(j < numnames)
{
/* just a screen's worth at a time */
for(i=0; i<NUM_VISIBLE_LINES; i++)
{
if(j+i >= numnames)
break;
offset_dummy=1;
rb->snprintf(name, sizeof(name), "%s", credits[j+i-NUM_VISIBLE_LINES]);
rb->lcd_getstringsize(name, &name_w, &name_h);
/* fly out an existing line.. */
while(namepos<LCD_WIDTH+offset_dummy)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, font_h*(i+1), LCD_WIDTH, font_h); /* clear trails */
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_putsxy(namepos, font_h*(i+1), name);
rb->lcd_update_rect(0, font_h*(i+1), LCD_WIDTH, font_h);
/* exit on keypress */
btn = rb->button_get_w_tmo(HZ/ANIM_SPEED);
if (btn != BUTTON_NONE && !(btn & BUTTON_REL))
return;
namepos += offset_dummy;
offset_dummy++;
}
rb->snprintf(name, sizeof(name), "%s", credits[j+i]);
rb->lcd_getstringsize(name, &name_w, &name_h);
rb->snprintf(elapsednames, sizeof(elapsednames), "[Credits] %d/%d",
j+i+1, numnames);
rb->lcd_getstringsize(elapsednames, &credits_w, NULL);
rb->lcd_putsxy(CREDITS_TARGETPOS, 0, elapsednames);
for(namepos = 0-name_w; namepos <= name_targetpos;
namepos += (name_targetpos - namepos + 14) / 7)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, font_h*(i+1), LCD_WIDTH, font_h);
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_putsxy(namepos, font_h*(i+1), name);
rb->lcd_update_rect(0, font_h*(i+1), LCD_WIDTH, font_h);
rb->lcd_update_rect(CREDITS_TARGETPOS, 0, credits_w, font_h);
/* exit on keypress */
btn = rb->button_get_w_tmo(HZ/ANIM_SPEED);
if (btn != BUTTON_NONE && !(btn & BUTTON_REL))
return;
}
namepos = name_targetpos;
/* ..and repeat. */
}
j+=i;
btn = rb->button_get_w_tmo(HZ*PAUSE_TIME); /* exit on keypress */
if (btn != BUTTON_NONE && !(btn & BUTTON_REL))
return;
}
btn = rb->button_get_w_tmo(HZ*2.5); /* exit on keypress */
if (btn != BUTTON_NONE && !(btn & BUTTON_REL))
return;
offset_dummy = 1;
/* now make the text exit to the right */
for(credits_pos = (LCD_WIDTH/2)-(credits_w/2); credits_pos <= LCD_WIDTH+offset_dummy;
credits_pos += offset_dummy, offset_dummy++)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
rb->lcd_fillrect(0, 0, LCD_WIDTH, font_h);
rb->lcd_set_drawmode(DRMODE_SOLID);
rb->lcd_putsxy(credits_pos, 0, elapsednames);
rb->lcd_update();
}
}
#endif
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