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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2007 Copyright Kévin Ferrare based on Zakk Roberts's work
*
* 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 "clock_draw_analog.h"
#include "lib/xlcd.h"
#include "lib/fixedpoint.h"
#include "clock_bitmaps.h"
#include "clock_bitmap_strings.h"
#define ANALOG_SECOND_RADIUS(screen, round) \
ANALOG_MINUTE_RADIUS(screen, round)
#define ANALOG_MINUTE_RADIUS(screen, round) \
(round?MIN(screen->getheight()/2 -10, screen->getwidth()/2 -10):screen->getheight()/2)
#define ANALOG_HOUR_RADIUS(screen, round) \
(2*ANALOG_MINUTE_RADIUS(screen, round)/3)
#define HOUR_ANGLE(hour, minute, second) (30*(hour) +(minute)/2)
#define MINUTE_ANGLE(minute, second) (6*(minute)+(second)/10)
#define SECOND_ANGLE(second) (6 * (second))
/* Note that the given angle's origin is midday and not 3 o'clock */
void polar_to_cartesian(int a, int r, int* x, int* y)
{
#if CONFIG_LCD == LCD_SSD1815
/* Correct non-square pixel aspect of archos recorder LCD */
*x = (fp14_sin(a) * 5 / 4 * r) >> 14;
#else
*x = (fp14_sin(a) * r) >> 14;
#endif
*y = (fp14_sin(a-90) * r) >> 14;
}
void polar_to_cartesian_screen_centered(struct screen * display,
int a, int r, int* x, int* y)
{
polar_to_cartesian(a, r, x, y);
*x+=display->getwidth()/2;
*y+=display->getheight()/2;
}
void angle_to_square(int square_width, int square_height,
int a, int* x, int* y)
{
a = (a+360-90)%360;
if(a>45 && a<=135){/* top line */
a-=45;
*x=square_width-(square_width*2*a)/90;
*y=square_height;
}else if(a>135 && a<=225){/* left line */
a-=135;
*x=-square_width;
*y=square_height-(square_height*2*a)/90;
}else if(a>225 && a<=315){/* bottom line */
a-=225;
*x=(square_width*2*a)/90-square_width;
*y=-square_height;
}else if(a>315 || a<=45){/* right line */
if(a>315)
a-=315;
else
a+=45;
*x=square_width;
*y=(square_height*2*a)/90-square_height;
}
}
void angle_to_square_screen_centered(struct screen * display,
int square_width, int square_height,
int a, int* x, int* y)
{
angle_to_square(square_width, square_height, a, x, y);
*x+=display->getwidth()/2;
*y+=display->getheight()/2;
}
void draw_hand(struct screen* display, int angle,
int radius, int thickness, bool round)
{
int x1, y1; /* the longest */
int x2, y2, x3, y3; /* the base */
if(round){/* round clock */
polar_to_cartesian_screen_centered(display, angle, radius, &x1, &y1);
}else{/* fullscreen clock, hands describes square motions */
int square_width, square_height;
/* radius is defined smallest between getwidth() and getheight() */
square_height=radius;
square_width=(radius*display->getwidth())/display->getheight();
angle_to_square_screen_centered(
display, square_width, square_height, angle, &x1, &y1);
}
polar_to_cartesian_screen_centered(display, (angle+120)%360,
radius/40+thickness, &x2, &y2);
polar_to_cartesian_screen_centered(display, (angle+240)%360,
radius/40+thickness, &x3, &y3);
xlcd_filltriangle_screen(display, x1, y1, x2, y2, x3, y3);
rb->lcd_drawline(x1, y1, x2, y2);
rb->lcd_drawline(x1, y1, x3, y3);
}
void draw_hands(struct screen* display, int hour, int minute, int second,
int thickness, bool round, bool draw_seconds)
{
if(draw_seconds){
draw_hand(display, SECOND_ANGLE(second),
ANALOG_SECOND_RADIUS(display, round), thickness, round);
}
draw_hand(display, MINUTE_ANGLE(minute, second),
ANALOG_MINUTE_RADIUS(display, round), thickness+2, round);
draw_hand(display, HOUR_ANGLE(hour, minute, second),
ANALOG_HOUR_RADIUS(display, round), thickness+2, round);
}
void draw_counter(struct screen* display, struct counter* counter)
{
char buffer[10];
int second_str_w, hour_str_w, str_h;
const struct picture* smalldigits_bitmaps =
&(smalldigits[display->screen_type]);
struct time counter_time;
counter_get_elapsed_time(counter, &counter_time);
rb->snprintf(buffer, 10, "%02d:%02d",
counter_time.hour, counter_time.minute);
getstringsize(smalldigits_bitmaps, buffer, &hour_str_w, &str_h);
draw_string(display, smalldigits_bitmaps, buffer,
display->getwidth()-hour_str_w,
display->getheight()-2*str_h);
rb->snprintf(buffer, 10, "%02d", counter_time.second);
getstringsize(smalldigits_bitmaps, buffer, &second_str_w, &str_h);
draw_string(display, smalldigits_bitmaps, buffer,
display->getwidth()-(hour_str_w+second_str_w)/2,
display->getheight()-str_h);
}
void draw_date(struct screen* display, struct time* time, int date_format)
{
char buffer[10];
int year_str_w, monthday_str_w, str_h;
int year_line=date_format==JAPANESE?1:2;
int monthday_line=date_format==JAPANESE?2:1;
const struct picture* smalldigits_bitmaps =
&(smalldigits[display->screen_type]);
if(date_format==ENGLISH || date_format==JAPANESE){
rb->snprintf(buffer, 10, "%02d/%02d", time->month, time->day);
}else{
rb->snprintf(buffer, 10, "%02d/%02d", time->day, time->month);
}
/* draws month and day */
getstringsize(smalldigits_bitmaps, buffer, &monthday_str_w, &str_h);
draw_string(display, smalldigits_bitmaps, buffer,
0, display->getheight()-year_line*str_h);
rb->snprintf(buffer, 10, "%04d", time->year);
/* draws year */
getstringsize(smalldigits_bitmaps, buffer, &year_str_w, &str_h);
draw_string(display, smalldigits_bitmaps, buffer,
(monthday_str_w-year_str_w)/2,
display->getheight()-monthday_line*str_h);
}
void draw_border(struct screen* display, int skin)
{
/* Draws square dots every 5 minutes */
int i;
int x, y;
int size=display->getheight()/50;/* size of the square dots */
if(size%2)/* a pair number */
size++;
for(i=0; i < 60; i+=5){
if(skin){
polar_to_cartesian_screen_centered(display, MINUTE_ANGLE(i, 0),
ANALOG_MINUTE_RADIUS(display, skin), &x, &y);
}else{
angle_to_square_screen_centered(
display, display->getwidth()/2-size/2, display->getheight()/2-size/2,
MINUTE_ANGLE(i, 0), &x, &y);
}
display->fillrect(x-size/2, y-size/2, size, size);
}
}
void draw_hour(struct screen* display, struct time* time,
bool show_seconds, int skin)
{
int hour=time->hour;
if(hour >= 12)
hour -= 12;
/* Crappy fake antialiasing (color LCDs only)!
* how this works is we draw a large mid-gray hr/min/sec hand,
* then the actual (slightly smaller) hand on top of those.
* End result: mid-gray edges to the black hands, smooths them out. */
#ifdef HAVE_LCD_COLOR
if(display->is_color){
display->set_foreground(LCD_RGBPACK(100,110,125));
draw_hands(display, hour, time->minute, time->second,
1, skin, show_seconds);
display->set_foreground(LCD_BLACK);
}
#endif
draw_hands(display, hour, time->minute, time->second,
0, skin, show_seconds);
}
void draw_center_cover(struct screen* display)
{
display->hline((display->getwidth()/2)-1,
(display->getwidth()/2)+1, (display->getheight()/2)+3);
display->hline((display->getwidth()/2)-3,
(display->getwidth()/2)+3, (display->getheight()/2)+2);
display->fillrect((display->getwidth()/2)-4, (display->getheight()/2)-1, 9, 3);
display->hline((display->getwidth()/2)-3,
(display->getwidth()/2)+3, (display->getheight()/2)-2);
display->hline((display->getwidth()/2)-1,
(display->getwidth()/2)+1, (display->getheight()/2)-3);
}
void analog_clock_draw(struct screen* display, struct time* time,
struct clock_settings* settings,
struct counter* counter,
int skin)
{
draw_hour(display, time, settings->analog.show_seconds, skin);
if(settings->analog.show_border)
draw_border(display, skin);
if(counter)
draw_counter(display, counter);
if(settings->analog.show_date && settings->general.date_format!=NONE)
draw_date(display, time, settings->general.date_format);
draw_center_cover(display);
}
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