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rockbox/apps/plugins/credits.c
Christian Soffke 694f929a99 Credits plugin: use black background 
Sets the lcd background color to black and foreground color
to white when displaying the 16bit logo, so that it always
blends in with the background regardless of theme colors.

Change-Id: Ia3afde178866b84d194c2dd839dac24f8c6e8d05
2021-12-09 21:01:11 -05:00

327 lines
11 KiB
C
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Robert Hak <rhak at ramapo.edu>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "plugin.h"
#include "lib/helper.h"
static const char* const credits[] = {
#include "credits.raw" /* generated list of names from docs/CREDITS */
};
static bool stop_autoscroll(int action)
{
switch (action)
{
case ACTION_STD_CANCEL:
case ACTION_STD_OK:
case ACTION_STD_NEXT:
case ACTION_STD_NEXTREPEAT:
case ACTION_STD_PREV:
case ACTION_STD_PREVREPEAT:
return true;
default:
return false;
}
return false;
}
static int update_rowpos(int action, int cur_pos, int rows_per_screen, int tot_rows)
{
switch(action)
{
case ACTION_STD_PREV:
case ACTION_STD_PREVREPEAT:
cur_pos--;
break;
case ACTION_STD_NEXT:
case ACTION_STD_NEXTREPEAT:
cur_pos++;
break;
}
if(cur_pos > tot_rows - rows_per_screen)
cur_pos = 0;
if(cur_pos < 0)
cur_pos = tot_rows - rows_per_screen;
return cur_pos;
}
static void roll_credits(void)
{
/* to do: use target defines iso keypads to set animation timings */
#if (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD) || \
(CONFIG_KEYPAD == IPOD_1G2G_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;
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[32];
int action = ACTION_NONE;
/* control if scrolling is automatic (with animation) or manual */
bool manual_scroll = false;
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);
rb->lcd_update_rect(CREDITS_TARGETPOS, 0, credits_w, font_h);
for(namepos = 0-name_w; namepos <= name_targetpos;
namepos += (name_targetpos - namepos + 14) / 7)
{
rb->lcd_set_drawmode(DRMODE_SOLID|DRMODE_INVERSEVID);
/* clear any trails left behind */
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);
/* exit on abort, switch to manual on up/down */
action = rb->get_action(CONTEXT_LIST, HZ/ANIM_SPEED);
if(stop_autoscroll(action))
break;
}
if(stop_autoscroll(action))
break;
}
/* process user actions (if any) */
if(ACTION_STD_CANCEL == action)
return;
if(stop_autoscroll(action))
manual_scroll = true; /* up/down - abort was catched above */
if(!manual_scroll)
{
j+= i;
/* pause for a bit if needed */
action = rb->get_action(CONTEXT_LIST, HZ*PAUSE_TIME);
if(ACTION_STD_CANCEL == action)
return;
if(stop_autoscroll(action))
manual_scroll = true;
}
if(!manual_scroll)
{
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);
/* clear trails */
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);
/* exit on keypress, react to scrolling */
action = rb->get_action(CONTEXT_LIST, HZ/ANIM_SPEED);
if(stop_autoscroll(action))
break;
namepos += offset_dummy;
offset_dummy++;
} /* while(namepos<LCD_WIDTH+offset_dummy) */
if(stop_autoscroll(action))
break;
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);
if (j+i < NUM_VISIBLE_LINES) /* takes care of trail on loop */
rb->lcd_update_rect(0, 0, LCD_WIDTH, font_h);
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);
/* stop on keypress */
action = rb->get_action(CONTEXT_LIST, HZ/ANIM_SPEED);
if(stop_autoscroll(action))
break;
}
if(stop_autoscroll(action))
break;
namepos = name_targetpos;
} /* for(i=0; i<NUM_VISIBLE_LINES; i++) */
if(stop_autoscroll(action))
break;
action = rb->get_action(CONTEXT_LIST, HZ*PAUSE_TIME);
if(stop_autoscroll(action))
break;
j+=i; /* no user intervention, draw the next screen-full */
} /* while(j < numnames) */
/* handle the keypress that we intercepted during autoscroll */
if(ACTION_STD_CANCEL == action)
return;
if(stop_autoscroll(action))
manual_scroll = true;
} /* if(!manual_scroll) */
if(manual_scroll)
{
/* user went into manual scrolling, handle it here */
rb->lcd_set_drawmode(DRMODE_SOLID);
while(ACTION_STD_CANCEL != action)
{
rb->lcd_clear_display();
rb->snprintf(elapsednames, sizeof(elapsednames),
"[Credits] %d-%d/%d", j+1,
j+NUM_VISIBLE_LINES, numnames);
rb->lcd_getstringsize(elapsednames, &credits_w, NULL);
rb->lcd_putsxy(CREDITS_TARGETPOS, 0, elapsednames);
for(i=0; i<NUM_VISIBLE_LINES; i++)
rb->lcd_putsxyf(0, font_h*(i+1), "%s", credits[j+i]);
rb->lcd_update();
rb->yield();
/* wait for user action */
action = rb->get_action(CONTEXT_LIST, TIMEOUT_BLOCK);
if(ACTION_STD_CANCEL == action)
return;
j = update_rowpos(action, j, NUM_VISIBLE_LINES, numnames);
}
return; /* exit without animation */
}
action = rb->get_action(CONTEXT_LIST, HZ*3);
if(ACTION_STD_CANCEL == action)
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();
}
}
enum plugin_status plugin_start(const void* parameter)
{
(void)parameter;
#ifdef HAVE_BACKLIGHT
/* Turn off backlight timeout */
backlight_ignore_timeout();
#endif
#if LCD_DEPTH>=16
rb->lcd_set_foreground (LCD_WHITE);
rb->lcd_set_background (LCD_BLACK);
#endif
rb->show_logo();
/* Show the logo for about 3 secs allowing the user to stop */
if(!rb->action_userabort(3*HZ))
roll_credits();
#ifdef HAVE_BACKLIGHT
/* Turn on backlight timeout (revert to settings) */
backlight_use_settings();
#endif
return PLUGIN_OK;
}
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