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tft.ino
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#include "tft.h"
#include "touch.h"
#define BATVREF 1.1f
#define BATPINCOEF 1.95f // tune -6 db
#define BATDIV 5.54f // (1M + 220k )/220k
#define SCROLLPIN 0
int station_scroll_h=TFTSTATIONH;
//change rotation if necessary
//depends on you set up your display.
int tftrotation = TFT_ROTATION;
int verysmallfont= 1;
int smallfont= 2;
int bigfont=4;
int segmentfont = CLOCK_FONT;
std::vector<bmpFile *> bmpCache;
//
//----------------------------------------------------------
void IRAM_ATTR grabTft(){
//printf("grab TFT\n");
xSemaphoreTake( tftSemaphore, portMAX_DELAY);
//printf("grabbbed TFT\n");
}
//----------------------------------------------------------
void IRAM_ATTR releaseTft(){
//tft.fillRect( 4,12 , 1, 1, TFT_REALGOLD ); //flicker kludge, not necessary when using rmt_write_items in sk.h
xSemaphoreGive( tftSemaphore);
//printf("released TFT\n");
}
//----------------------------------------------------------
char *utf8torus(const char *source, char *target){
unsigned char *s = (unsigned char *) source;
unsigned char *t = (unsigned char *) target;
bool after208 = false;
if ( *s != 208 && *s != 209 ) {
strcpy( target, source );
return( target );
}
while (*s){
switch( *s ){
case 208:
after208 = true;
break;
case 209:
after208 = false;
break;
default:
// fix for mistake in font
*t = *s;
if ( after208 && *t == 129 ) *t=149;
if ( !after208 && *t == 145 ) *t=189;
++t;
break;
}
++s;
}
*t = 0;
return( target );
}
//------------------------------------------------------------------
// wordmap each bit represents a word, 0 = Latin, 1 is Cyrillic
int txt2fontmap( unsigned char *txt, unsigned char **utf, uint64_t *wordmap ){
unsigned char *l;
unsigned char *u;
char replacement = 0;
int charcount=0;
int wordshift = 0;
if ( txt == NULL || *txt == 0 ){
*utf = (unsigned char *)gr_calloc( 1, 1 );
return( charcount );
}
*wordmap = 0;
*utf = (unsigned char *)gr_calloc( strlen( (char *)txt ) * 4, 1 );
u = *utf;
l = txt;
while (*l){
++charcount;
if ( *l == ' '){
++wordshift;
*wordmap &= ~(1ULL << wordshift);//clear bit #wordshift;
}
if (*l<128){
*u = *l;
}else{
if ( *(l+1) < 128 || *l < 192 ){ // probably extended ASCII input, UTF-8 wants >128
*u = 0xc0 | (*l >> 6);
++u;
*u = 0x80 | (*l & 0x3f);
}else{ // apparently, this is UTF-8 input
if ( *l == 0xd0 || *l == 0xd1 ){
*wordmap |= (1ULL << wordshift);//set bit #wordshift, cyrillic found;
//Serial.printf("Setting bit %d\n", wordshift );
// treat cyrillic font as exteded ascii
if ( *l == 0xd0 && *(l+1) == 129 ) replacement = 149;
if ( *l == 0xd1 && *(l+1) == 145 ) replacement = 181;
// Don't output the leading UTF byte for 0xd0 and 0xd1
}else{
//Other UTF set, hopefully Latin c0...
// output it
*u = *l;
++u;
}
++l;
*u = *l;
if ( replacement ){
*u = replacement;
replacement = 0;
}
}
}
++l;
++u;
}
*u = 0;
return( charcount );
}
//---------------------------------------------------------------------
void tft_message( const char *message1, const char *message2 ){
static int yposition = 0;
bool progress = true;
if ( !msg.created() ){
msg.createSprite( tft.width(), progress?tft.height() - 90:100);
msg.setTextColor( TFT_WHITE, TFT_BLACK );
msg.setTextSize(1);
msg.fillSprite(TFT_BLACK);
}
if ( !progress ){
msg.fillSprite(TFT_BLACK);
yposition = 0;
}
msg.drawString( message1, 0, yposition, 2);
yposition += 16;
if (message2 ){
msg.drawString( message2, 0, yposition, 2);
yposition += 16;
}
xSemaphoreTake( tftSemaphore, portMAX_DELAY);
msg.pushSprite( 0, 90 );
xSemaphoreGive( tftSemaphore);
}
//-----------------------------------------------------
void tft_show_gesture( bool showonscreen ){
int w=32;
//int h=TFTINDICH;
//int xpos=33 + (BUTOFFSET*2),ypos=TFTINDICT;
int h = 20;
int xpos = BUTOFFSET;
int ypos = TFTCLOCKT + 12 + h;
char geststring[4];
if ( currDisplayScreen != RADIO) return;
if ( screenUpdateInProgress ) return;
if ( !gest.created() )gest.createSprite(w,h);
gest.fillSprite(TFT_BLACK);
if ( showonscreen ){
gest.setFreeFont( &indicator );
geststring[0] = 81; //little hand
geststring[1] = 0;
gest.setTextColor( TFT_WHITE, TFT_BLACK );
gest.drawString( geststring , 0,1 );
}
grabTft();
gest.pushSprite( xpos, ypos);
releaseTft();
}
//----------------------------------------------------------
int read_battery(){
int i;
int batread=0, batotal=0;
for(i=0;i<5;i++){
batread = analogRead( BATPIN );
batotal += batread;
delay(50);
}
batread = batotal/5;
batvolt = ( BATVREF * ( batread * BATDIV)/4096)* BATPINCOEF;
//Serial.printf( "read : %d, voltage: %f\n", batread, batvolt);
if ( batread > 1424 ) return(100);
if ( batread > 1404 ) return( 90);
if ( batread > 1362 ) return( 80);
if ( batread > 1345 ) return( 70);
if ( batread > 1321 ) return( 60);
if ( batread > 1300 ) return( 50);
if ( batread > 1280 ) return( 40);
if ( batread > 1262 ) return( 30);
if ( batread > 1242 ) return( 20);
if ( batread > 1220 ) return( 10);
return(0);
}
//-------------------------------------------------------------------------------
void showBattery(bool force ){
// int ypos = TFTINDICT;
int ypos = TFTCLOCKT;
int xpos = tft.width() - 32 - BUTOFFSET;
int percentage = read_battery();
static int previous_percentage = -1;
char batstring[2];
if ( currDisplayScreen == STNSELECT )return;
if ( screenUpdateInProgress ) return;
if ( percentage == previous_percentage && !force ) return;
previous_percentage = percentage;
batstring[0]= 'L' + percentage/25;
batstring[1]= 0;
if ( !bats.created() ) bats.createSprite(32,24);
bats.setFreeFont( &indicator );
bats.setTextColor( TFT_REALGOLD, TFT_BLACK );
bats.fillSprite(TFT_BLACK);
bats.drawString( batstring , 0,0 );
grabTft();
//log_d("Push battery sprite to x %d, y%d", 0, ypos);
bats.pushSprite( xpos, ypos);
releaseTft();
}
//----------------------------------------------------------
void showVolume( int percentage, bool force){
// indicator font is 32 wide and 20 high.
int ypos = TFTCLOCKT;
char volstring[2];
static int previous_percentage=-1;
if ( currDisplayScreen == STNSELECT )return;
if ( screenUpdateInProgress ) return;
if ( force == false){
if ( percentage == previous_percentage ) return;
}
previous_percentage = percentage;
volstring[0]= 'A' + percentage/10;
volstring[1]= 0;
if ( ! vols.created() )vols.createSprite(32,24);
vols.setFreeFont( &indicator );
vols.setTextColor( TFT_REALGOLD, TFT_BLACK );
vols.fillSprite(TFT_BLACK);
if ( currDisplayScreen == RADIO ){
vols.drawString( volstring ,0 ,0 );
}
grabTft();
vols.pushSprite( BUTOFFSET, ypos);
releaseTft();
return;
}
//--------------------------------------------------------------------------------------------------------
void showCloud( bool force){
int ypos = TFTCLOCKT + 23;
int xpos = tft.width() - 32 - BUTOFFSET;static char previous_char = 0;
char tmpmon[8];
if ( !owmdata.valid ){
log_e("no valid weather data");
return;
}
if ( currDisplayScreen == STNSELECT )return;
if ( screenUpdateInProgress ) return;
if ( force == false ){
if ( owmdata.iconchar == previous_char )return;
}
previous_char = owmdata.iconchar;
if ( !cloud_sprite.created() )cloud_sprite.createSprite( 30, 30 );
cloud_sprite.fillSprite(TFT_BLACK);
cloud_sprite.setTextColor( TFT_REALGOLD, TFT_BLACK );
cloud_sprite.setFreeFont( &weather );
tmpmon[0] = owmdata.iconchar;
tmpmon[1] = 0;
cloud_sprite.drawString( tmpmon,0, 0 );
grabTft();
cloud_sprite.pushSprite( xpos, ypos );// 128 is the bottom of the date label
releaseTft();
}
//--------------------------------------------------------------------------------------------------------
void showClock ( bool force ){
int clockh, clockx, clocky, clockw;
int datex, datey, datew;
int dspritex,dspritey,dspritew;
int yy;
char tijd[32] = "", datestring[128] = "";
char tmpday[128] = "", tmpmon[ 128 ]= "";
static int previous_date = -1;
static int previous_min = -1;
time_t rawt;
struct tm tinfo;
if ( currDisplayScreen == STNSELECT )return;
if ( screenUpdateInProgress ) return;
tinfo.tm_year = 0;
time( &rawt );
localtime_r( &rawt, &tinfo);
// no clock after year 2100
if ( tinfo.tm_year < 100 || tinfo.tm_year > 200 )return;
if ( force == false ){
if ( tinfo.tm_min == previous_min )return;
}else{
delay(100);
}
if ( xSemaphoreTake( clockSemaphore, 50) != pdTRUE) return;
previous_min = tinfo.tm_min;
yy = tinfo.tm_year + 1900 ;
//log_d( "hour %d, minute %d", tinfo.tm_hour, tinfo.tm_min);
sprintf(tijd,"%02d:%02d",tinfo.tm_hour, tinfo.tm_min);
clockw = tft.textWidth( tijd, segmentfont ) + 4;
clockh = tft.fontHeight( segmentfont) + 2;
clockx = (tft.width() - clockw)/2;
clocky = TFTCLOCKT;
if ( !clocks.created() )clocks.createSprite( clockw, clockh );
clocks.fillSprite(TFT_BLACK);
clocks.setTextColor( TFT_REALGOLD, TFT_BLACK );
clocks.drawString( tijd, 0, 1, segmentfont);
if ( (tinfo.tm_mday != previous_date) || force ){
previous_date = tinfo.tm_mday;
dspritew = tft.width();
if ( !date_sprite.created() )date_sprite.createSprite( dspritew, 32 );
date_sprite.fillSprite(TFT_BLACK);
date_sprite.setFreeFont( DATE_FONT );
int labelh = date_sprite.fontHeight(1)-1 ;
int labelw = 230;
int labelx = (dspritew - labelw)/2;
int labely = 0;
date_sprite.fillRoundRect( labelx, labely, labelw , labelh, 8, TFT_REALGOLD);
sprintf( datestring,"%s %d %s %d", utf8torus( daynames[tinfo.tm_wday], tmpday ), tinfo.tm_mday, utf8torus(monthnames[tinfo.tm_mon], tmpmon), yy);
datew = date_sprite.textWidth( datestring, 1 );
datex = (dspritew - datew )/2;
datey = 0;
date_sprite.setTextColor( TFT_BLACK, TFT_REALGOLD );
date_sprite.drawString( datestring, datex, datey );
dspritex = 0;
dspritey = TFTCLOCKT + tft.fontHeight( segmentfont) + 6;
//log_d( "date label bottom (top) %d + (height) %d = %d", dspritey, labelh, dspritey+labelh);
grabTft();
date_sprite.pushSprite( dspritex, dspritey );
releaseTft();
}
grabTft();
clocks.pushSprite( clockx, clocky );
releaseTft();
showBattery( force);
showVolume( getVolume(), force );
#ifdef USEOWM
showCloud( force );
#endif
if ( currDisplayScreen == RADIO ){
date_sprite.fillSprite(TFT_BLACK);
date_sprite.setTextColor( TFT_REALGOLD, TFT_BLACK );
if ( owmdata.valid ){
char tmprus[128];
sprintf( tmpmon, "%2.1f*C %s",owmdata.temperature, utf8torus( owmdata.description, tmprus ) );
if( strlen( tmpmon ) > 15 ){
date_sprite.setFreeFont( LABEL_FONT );
}else{
date_sprite.setFreeFont( DATE_FONT );
}
int dw = date_sprite.textWidth( tmpmon, 1 );
int dx = ( tft.width() - dw )/2;
date_sprite.drawString( tmpmon, dx, 6 );
}
grabTft();
date_sprite.pushSprite( dspritex, 130 );// 128 is the bottom of the date label
releaseTft();
}
xSemaphoreGive( clockSemaphore );
}
//---------------------------------------------------------------------
void tft_showstation( int stationIdx){
int xpos = 0, ypos=7;
char *s = stations[stationIdx].name;
char *station_name;
if ( currDisplayScreen != RADIO ) return;
if ( xSemaphoreTake( stationSemaphore, 50) != pdTRUE) return;
if ( strlen( s ) > 18 ) { //omit the first word of the station name
s += 5;
while( *s && *s != ' ') ++s;
if ( *s ) ++s;
}
if( !station_sprite.created() ) station_sprite.createSprite(tft.width(), station_scroll_h );
station_sprite.fillSprite(TFT_BLACK);
station_sprite.setTextColor( TFT_WHITE, TFT_BLACK );
if ( *s == 0xd0 || *s == 0xd1 ){
station_name = (char *)gr_calloc( strlen(s) + 4,1);
utf8torus( s, station_name);
log_d("Cyrillic station name length %d ", strlen ( station_name ) );
station_sprite.setFreeFont( STATION_FONT );
}else{
latin2utf( (unsigned char *) s, (unsigned char **)&station_name );
station_sprite.setFreeFont( STATION_FONT_LATIN );
}
int wholew = station_sprite.textWidth( station_name, 1 );
xpos = (tft.width() - wholew)/2;
ypos = 2;
station_sprite.drawString( station_name , xpos, ypos,1);
free( station_name );
grabTft();
station_sprite.pushSprite( 0, TFTSTATIONT );
releaseTft();
xSemaphoreGive( stationSemaphore );
}
//---------------------------------------------------------------------
const int nonscroll_metawidth = tft.width() - 20;
#if defined( METAPOPUP)
int meta_height = tft.height();
#else
int meta_height = TFTMETAH;
#endif
const int meta_xposition = 0 + 10;
const int meta_yposition = TFTMETAT;
int metatextx = 0; // will be calculated in tft_fillmeta
char *metatxt[10] ={NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL};
const int meta_fontheight = 17;
int meta_bottom;
enum metaAlphabet {LATIN, CYRILLIC};
metaAlphabet metalang;
// unwanted strings. Last element MUST be ""
const char *unwanted_strings[] = { "Chromanova.fm presents - ", " - 0:00", "MegaNight RADIO | ", ""};
//---------------------------------------------------------------------
char *cleanup_meta( const char *meta , char **out){
char *m = ( char *) meta;
char *o = *out;
while ( *m ){
// remove everything in square brackets, including the square brackets
if ( *m == '[' ){
while (*m != ']') ++m;
++m;
continue; // another bracket maybe following
}
// remove any string in unwanted_strings
for ( int remcount = 0; unwanted_strings[ remcount][0]; ++remcount ){
if ( *m != unwanted_strings[ remcount][0] ){
continue;
}
if ( strncmp( m, unwanted_strings[remcount], strlen( unwanted_strings[remcount]) ) ){
continue;
}
//remove by skipping over it in the input
m += strlen( unwanted_strings[remcount] );
remcount = -1; // start again, an unwanted string we checked before may be following this one
}
if ( *m ){
if (o == *out && *m == ' '){
; // Skip leading blanks
}else{
*o = *m;
++o;
}
++m;
}
}
// close the output string
*o = 0;
// for convenience also return a pointer to the output string.
return(*out);
}
//---------------------------------------------------------------------
void tft_create_meta( int spritew){
#ifndef SHOWMETA
return;
#endif
if ( !meta_sprite.created() ){
meta_sprite.createSprite(spritew?spritew:nonscroll_metawidth, meta_height );
}
meta_sprite.fillSprite(TFT_BLACK);
meta_sprite.setTextColor( TFT_WHITE, TFT_BLACK );
}
#ifdef METAPOPUP
void tft_fillmeta(){
char *mymeta=NULL;
char *cleanmeta = NULL; ;
#ifndef SHOWMETA
return;
#endif
//log_d( "- fillmeta in transit : %d , metadata %s-", meta.intransit, meta.intransit?"": meta.metadata);
tft_create_meta();
// meta_fontheight should match the META_FONT and META_FONTRUS height.
// first line.
meta_sprite.setCursor(0, meta_fontheight);
cleanmeta = (char *)gr_calloc( strlen( (char *)meta.metadata ) + 4 , 1 );
mymeta = cleanup_meta( (const char *)meta.metadata , &cleanmeta );
int slen=0;
uint64_t wordmap=0;
char *output;
// search through words, decide for each word what font to use and remove Cyrillic UTF-8 0xd0 and 0xd1 codes.
slen = txt2fontmap( (unsigned char *)mymeta, (unsigned char **)&output, &wordmap );
//Serial.printf( "Mymeta: %s, Wordmap = %llx\n", mymeta, wordmap);
mymeta = NULL;
free( cleanmeta );
char *tmptxt = (char *)gr_calloc( slen + 4,1); //tempstring to hold word. worst case is word length == input length
char *t = tmptxt, *s=output;
int bitcount=0;
meta_sprite.setFreeFont( META_FONT );
// center one line meta text horizontally and vertically
int textwidth = meta_sprite.textWidth( output ); // Approximation, as Cyrillic font may have other widths
bool oneline = false;
if ( textwidth < nonscroll_metawidth ){
meta_sprite.setCursor( ( nonscroll_metawidth - textwidth )/2 , meta_sprite.getCursorY() + meta_fontheight/2 );
oneline = true;
}
// loop through all words and print in either Latin extended or Latin Cyrillic font
// for multiline metatext use a viewport in show_meta to print the metatext 2 lines at a time.
// the sprite is big (tft.height() * width) to accomodate long texts
bool firstdash = false;
for( ;; ++s ){
if( *s == ' ' || *s == 0){
*t = *s;
if (*s){++s;++t;*t = 0;}
if ( (wordmap & (1UL << bitcount)) ){
meta_sprite.setFreeFont( META_FONTRUS );
}else{
meta_sprite.setFreeFont( META_FONT );
}
// go to next line, unless the word will never fit on one line
if ( meta_sprite.getCursorX() + meta_sprite.textWidth( tmptxt ) > meta_sprite.width() && meta_sprite.getCursorX() != 0 ){
meta_sprite.print("\n");
//Serial.printf("Y-cursor now at %d\n",meta_sprite.getCursorY() );
}
Serial.printf( "Print in %s font: [%s]\n", (wordmap & (1UL << bitcount))?"LatinCyrillic":"Latin", tmptxt);
//meta_sprite.print( tmptxt ); // If you like dashes uncomment
// many stations divide artist and song information by a dash ( - ).
// to improve readability, start a new line before text following
// the dash, unless both fit on one line.
if ( !strncmp( tmptxt, "- ", 2 ) && !oneline && !firstdash ){
meta_sprite.print( "\n");
firstdash = true; // comment out to remove all dashes, not only the first one.
} else{
meta_sprite.print( tmptxt ); // if you like dashes comment out
}
if ( *s == 0 ) {
meta_sprite.print( "\n");
if ( oneline ){
// the text was vertically centered between 2 lines, move down half a line
// to be on line height boundaries again, so later tests give uniform results.
meta_sprite.setCursor( 0, meta_sprite.getCursorY() + meta_fontheight/2 );
}
meta_bottom = meta_sprite.getCursorY();
//Serial.printf("End of input, next line will start at Y-cursor %d\n", meta_bottom );
break;
}
++bitcount;
t = tmptxt;
}
*t = *s;
++t;
}
free(output);
tft_showmeta( true );
}
//---------------------------------------------------------------------
void tft_showmeta(bool resetx){
static int currentx=0;
static int showpos=0;
static int onscreen=0;
if ( resetx ){
currentx = 0;
showpos = 0;
onscreen = 0;
return;
}
if ( screenUpdateInProgress ) return;
if ( currDisplayScreen != RADIO ) return;
if ( meta.intransit ) return;
if ( onscreen && meta_bottom <= (meta_fontheight * 3) )return;
if ( currentx > 0 ){
currentx--;
return;
}else{
if ( showpos >= (meta_bottom - meta_fontheight) ) showpos = 0;
currentx = 40;
if ( meta_bottom <= (meta_fontheight * 3) ) currentx += 100;
//log_d( "currentx was 0, now %d\n meta_bottom %d display sprite at offset -%d", currentx, meta_bottom, showpos );
grabTft();
tft.setViewport( meta_xposition, meta_yposition, nonscroll_metawidth, (meta_fontheight * 2), false );
//log_d("ypos %d", meta_yposition - showpos );
meta_sprite.pushSprite( meta_xposition, meta_yposition - showpos );
tft.resetViewport();
releaseTft();
onscreen = true;
showpos += (meta_fontheight * 2);
}
}
#endif
#ifdef METASPRITE
//---------------------------------------------------------------------
void tft_fillmeta(){
int textw, textx=0, spritew;
char *txt[2] = {NULL,NULL};
char *middle=NULL, *mymeta=NULL;
unsigned char *utfmeta=NULL;
#ifndef SHOWMETA
return;
#endif
tft_create_meta();
if ( meta.metadata[0] == 0xd0 || meta.metadata[0] == 0xd1 ){
//Cyrillic characters
metalang = CYRILLIC;
meta_sprite.setFreeFont( META_FONTRUS );
utfmeta = (unsigned char *)gr_calloc( strlen( meta.metadata) + 4,1);
mymeta = utf8torus( meta.metadata, (char *)utfmeta);
}else{
//Latin characters
metalang = LATIN;
meta_sprite.setFreeFont( META_FONT );
latin2utf( (unsigned char *) meta.metadata, (unsigned char **)&utfmeta );
mymeta = ( char *) utfmeta;
}
textw = meta_sprite.textWidth( mymeta, 1 );
if ( textw < nonscroll_metawidth ){ // text fits on one line
textx = ( nonscroll_metawidth - textw )/2;
spritew = nonscroll_metawidth;
}else if ( textw < ( 2*nonscroll_metawidth ) ){ //text fits on 2 lines, if it can be divided evenly on word borders
middle = mymeta + strlen( mymeta ) / 2;
for( ; middle > mymeta && *middle != ' ' && middle > mymeta; --middle);
if ( middle - mymeta < strlen( mymeta ) / 3 ){
middle = mymeta + strlen( mymeta ) / 2;
for( ; middle > mymeta && *middle != ' ' && *middle; ++middle);
}
txt[0] = ps_strndup( mymeta, middle - mymeta );
txt[1] = ps_strdup( middle + 1);
char *longest = txt[0];
if ( strlen( txt[1]) > strlen(txt[0]) ){
longest = txt[1];
}
textx = ( nonscroll_metawidth - meta_sprite.textWidth( longest, 1 ))/2;
if ( textx < 0 ) textx = 0;
spritew = nonscroll_metawidth;
}else{ // text is very long, make a scrolling sprite
textx = 0;
spritew = textw + nonscroll_metawidth;
}
meta_sprite.deleteSprite();
tft_create_meta( spritew );
if ( txt[0] != NULL ){
meta_sprite.drawString( txt[0], textx, 0, 1);
free( txt[0]);
if ( txt[1] != NULL){
log_d( "txt 1 : %s\n", txt[1]);
meta_sprite.drawString( (char *)txt[1],textx,12, 1);
free( txt[1] );
}
}else{
meta_sprite.drawString( (char *)mymeta, textx, 6, 1);
}
mymeta = NULL;
if ( utfmeta != NULL)free( utfmeta );
tft_showmeta( true );
}
//---------------------------------------------------------------------
void tft_showmeta(bool resetx){
static int currentx=0;
static int onscreen=0;
//log_d("onscreen %d", onscreen);
if ( resetx ){
currentx = 0;
onscreen = 0;
return;
}
if ( screenUpdateInProgress ) return;
if ( currDisplayScreen != RADIO ) return;
if ( meta.intransit ) return;
if ( onscreen )return;
if ( meta_sprite.width() == nonscroll_metawidth ){
currentx = nonscroll_metawidth;
onscreen = 1;
}else{
if ( currentx < meta_sprite.width() ){
currentx += 1;
}else{
currentx = 0;
}
}
grabTft();
tft.setViewport( meta_xposition, meta_yposition, nonscroll_metawidth, meta_height, false );
//tft.frameViewport(TFT_DARKGREY, -1);
meta_sprite.pushSprite( meta_xposition + nonscroll_metawidth - currentx, meta_yposition );
tft.resetViewport();
releaseTft();
}
#endif
#ifdef METASTATIC
//---------------------------------------------------------------------
void tft_fillmeta(){
int textw;
char *middle, *mymetaedit;
char *tmprumeta = (char *)gr_calloc( strlen( meta.metadata ) + 4 , 1 );
char *cleanmeta = (char *)gr_calloc( strlen( meta.metadata ) + 4 , 1 );
String mymeta;
GFXfont *metafont;
#ifndef SHOWMETA
return;
#endif
log_d("%s", meta.metadata);
if ( *meta.metadata == 208 || *meta.metadata == 209 ){
metafont = (GFXfont *) META_FONTRUS;
metalang = CYRILLIC;
}else{
metafont = (GFXfont *) META_FONT;
metalang = LATIN;
}
meta_sprite.setFreeFont( metafont );
// use the sprite to measure text width
// this way, font changes do not affect the screen.
tft_create_meta();
mymeta = String( cleanup_meta( (const char *)utf8torus(meta.metadata, tmprumeta ), &cleanmeta ) );
if ( metalang == LATIN ){
latin2utf( (unsigned char *) mymeta.c_str(), (unsigned char **)&mymetaedit );
}else{
mymetaedit = ps_strdup( cleanmeta );
}
log_d( "Mymeta:\n%s", mymeta.c_str());
free( tmprumeta );
free( cleanmeta );
#ifndef SHOWMETA
return;
#endif
if ( metatxt[0] != NULL ){
free ( metatxt[0] );
metatxt[0] = NULL;
}
if ( metatxt[1] != NULL ){
free ( metatxt[1] );
metatxt[1] = NULL;
}
textw = meta_sprite.textWidth( mymetaedit, 1 );
if ( textw < nonscroll_metawidth ){ // text fits on one line
metatextx = ( nonscroll_metawidth - textw )/2;
metatxt[0] = ps_strdup( mymetaedit );
}else{
// don't scroll text, but chop off text so it fits on 2 lines.
for ( char *end = mymetaedit + strlen( mymetaedit) ;
( meta_sprite.textWidth( mymetaedit ) > (2 * nonscroll_metawidth) ) && end > mymetaedit;
--end ){
*end = 0;
}
middle = mymetaedit + strlen( mymetaedit ) / 2;
for( ; middle > mymetaedit && *middle != ' ' && middle > mymetaedit; --middle);
// if ( middle - mymetaedit < strlen( mymetaedit ) / 3 ){
// middle = mymetaedit + strlen( mymetaedit ) / 2;
// for( ; middle > mymetaedit && *middle != ' '; ++middle);
if ( middle - mymetaedit < (strlen( mymetaedit )/2 - 8) ){
middle = mymetaedit + strlen( mymetaedit ) / 2;
for( ; middle > mymetaedit && *middle != ' ' && *middle; ++middle);
}
metatxt[0] = ps_strndup( mymetaedit, middle - mymetaedit );
metatxt[1] = ps_strdup( middle + 1);
char *longest = metatxt[0];
if ( strlen( metatxt[1]) > strlen( metatxt[0]) ){
longest = metatxt[1];
}
metatextx = ( nonscroll_metawidth - meta_sprite.textWidth( longest, 1 ))/2;
if ( metatextx < 0 ) metatextx = 0;
}
meta_sprite.deleteSprite();
free( mymetaedit );
tft_showmeta( true );
}
//---------------------------------------------------------------------
void tft_showmeta(bool resetx){
static int onscreen=0;
//log_d("onscreen %d", onscreen);
if ( resetx ){
onscreen = 0;
return;
}
if ( currDisplayScreen != RADIO ) return;
if ( meta.intransit ) return;
if ( onscreen )return;
if ( screenUpdateInProgress ) return;
grabTft();
tft.fillRect (meta_xposition, meta_yposition, nonscroll_metawidth, meta_height, TFT_BLACK);
tft.setViewport( meta_xposition, meta_yposition, nonscroll_metawidth, meta_height, true );
tft.setTextColor( TFT_WHITE, TFT_BLACK );