602 lines
13 KiB
C
602 lines
13 KiB
C
#define SCROLLTEXT_C
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <setjmp.h>
|
|
#include <stdint.h>
|
|
|
|
#include "../config.h"
|
|
#include "scrolltext.h"
|
|
|
|
#include "../pixel.h"
|
|
#include "../util.h"
|
|
#include "font_arial8.h"
|
|
#if SCROLLTEXT_FONT == FONT_ARIAL8
|
|
#include "font_arial8.h"
|
|
#define FONT_NAME font_arial8
|
|
#elif SCROLLTEXT_FONT == FONT_SMALL6
|
|
#include "font_small6.h"
|
|
#define FONT_NAME font_small6
|
|
#elif SCROLLTEXT_FONT == FONT_C64
|
|
#include "font_c64.h"
|
|
#define FONT_NAME font_c64
|
|
#elif SCROLLTEXT_FONT == FONT_UNI53
|
|
#include "font_uni53.h"
|
|
#define FONT_NAME font_uni53
|
|
#else
|
|
#include "font_arial8.h"
|
|
#define FONT_NAME font_arial8
|
|
#endif
|
|
|
|
#ifdef __CYGWIN__
|
|
#define strtok_r(a, b, c) strtok((a), (b))
|
|
#endif
|
|
|
|
#define MAX_FONTS 1
|
|
font fonts[MAX_FONTS];
|
|
#define MAX_SPECIALCOLORS 3
|
|
|
|
unsigned const char PROGMEM colorTable[MAX_SPECIALCOLORS*NUM_ROWS] = {1, 1, 2, 3, 3, 2, 1, 1,
|
|
3, 3, 2, 1, 1, 2, 3, 3,
|
|
3, 3, 2, 2, 3, 3, 2, 2
|
|
};
|
|
|
|
const char default_text[] PROGMEM = SCROLLTEXT_TEXT;
|
|
char scrolltext_text[SCROLLTEXT_BUFFER_SIZE];
|
|
|
|
/* Konzept
|
|
=======
|
|
Text wird in Token unterteilt, jeder Token bekommt einen Command-String.
|
|
z.B.
|
|
|
|
#b</#LABOR
|
|
|
|
Es werden die Zeiger aus dem Eingabestring direkt übernommen, mit Stringlen.
|
|
Wenn der Command abgearbeitet ist wird automatisch das nächste Token eingelesen.
|
|
|
|
*/
|
|
|
|
|
|
unsigned char (*text_pixmap)[NUM_ROWS][LINEBYTES];
|
|
|
|
static void text_setpixel(pixel p, unsigned char value ){
|
|
if(value){
|
|
(*text_pixmap)[p.y%NUM_ROWS][p.x/8] |= shl_table[p.x%8];
|
|
}
|
|
}
|
|
|
|
static void clear_text_pixmap(){
|
|
memset(text_pixmap, 0, NUM_ROWS * LINEBYTES);
|
|
}
|
|
|
|
static void update_pixmap(){
|
|
for(unsigned char p = NUMPLANE; p--;){
|
|
memcpy(&pixmap[p][0][0], text_pixmap, NUM_ROWS * LINEBYTES);
|
|
}
|
|
}
|
|
|
|
enum waitfor_e{
|
|
wait_new,
|
|
wait_posy,
|
|
wait_posx,
|
|
wait_out,
|
|
wait_timer,
|
|
wait_col_l,
|
|
wait_col_r
|
|
};
|
|
#ifdef NDEBUG
|
|
typedef unsigned char waitfor_e_t;
|
|
#else
|
|
typedef enum waitfor_e waitfor_e_t;
|
|
#endif
|
|
|
|
|
|
#define DIRECTION_RIGHT 0x01
|
|
#define DIRECTION_DOWN 0x02
|
|
|
|
struct blob_t_struct;
|
|
typedef struct blob_t_struct{
|
|
struct blob_t_struct * next, * last;
|
|
char *str;
|
|
char *commands;
|
|
waitfor_e_t waitfor;
|
|
int sizex;
|
|
char sizey;
|
|
int posx;
|
|
char posy;
|
|
int tox;
|
|
char toy;
|
|
unsigned char delayx, delayx_rld;
|
|
unsigned char delayy, delayy_rld;
|
|
unsigned char delayb, delayb_rld;
|
|
unsigned char visible;
|
|
unsigned char direction;
|
|
unsigned int timer;
|
|
|
|
const unsigned int* fontIndex;
|
|
const unsigned char* fontData;
|
|
unsigned char font_storebytes;/*bytes per char*/
|
|
unsigned char space;
|
|
#ifndef AVR
|
|
char scrolltextBuffer[SCROLLTEXT_BUFFER_SIZE];
|
|
#endif
|
|
}blob_t;
|
|
|
|
|
|
/*
|
|
void showBlob(blob_t * blob){
|
|
unsigned char * str = blob->str;
|
|
unsigned char tmp[200], x=0;
|
|
while(*str){
|
|
tmp[x++] = (*str++) + ' ' -1;
|
|
}
|
|
tmp[x] = 0;
|
|
printf("this:\t%x\n",blob);
|
|
printf("last:\t%x\n",blob->last);
|
|
printf("next:\t%x\n",blob->next);
|
|
printf("str:\t%s\n",tmp);
|
|
printf("cmd:\t%s\n",blob->commands);
|
|
printf("sizex\t%d\n",blob->sizex);
|
|
printf("posx\t%d\n",blob->posx);
|
|
printf("posy\t%d\n",blob->posy);
|
|
printf("tox\t%d\n",blob->tox);
|
|
printf("toy\t%d\n",blob->toy);
|
|
printf("delayy_rld\t%d\n",blob->delayx_rld);
|
|
printf("delayx_rld\t%d\n",blob->delayy_rld);
|
|
printf("timer\t%d\n",blob->timer);
|
|
printf("\n");
|
|
}
|
|
*/
|
|
|
|
|
|
#define PW(a) pgm_read_word(&(a))
|
|
#define PB(a) pgm_read_byte(&(a))
|
|
|
|
static unsigned int getLen(blob_t *blob) {
|
|
unsigned char glyph;
|
|
unsigned int strLen = 0;
|
|
unsigned char * str = (unsigned char*)blob->str;
|
|
uint8_t space = blob->space * blob->font_storebytes;
|
|
|
|
while ((glyph = *str++)) {
|
|
glyph -= 1;
|
|
strLen += PW(blob->fontIndex[glyph+1]) - PW(blob->fontIndex[glyph]);
|
|
strLen += space;
|
|
}
|
|
return strLen/blob->font_storebytes;
|
|
}
|
|
|
|
|
|
static unsigned int getnum(blob_t * blob){
|
|
unsigned int num=0;
|
|
unsigned char gotnum = 0;
|
|
|
|
while( (*blob->commands >= '0') && (*blob->commands <='9') ){
|
|
gotnum = 1;
|
|
num *= 10;
|
|
num += *blob->commands - '0';
|
|
blob->commands++;
|
|
}
|
|
|
|
if(gotnum){
|
|
return num;
|
|
}else{
|
|
return 0xffff;
|
|
}
|
|
}
|
|
|
|
unsigned char blobNextCommand(blob_t * blob){
|
|
unsigned int tmp;
|
|
unsigned char retval = 0;
|
|
while(*blob->commands != 0){
|
|
switch (*blob->commands++){
|
|
case '<':
|
|
blob->direction &= ~DIRECTION_RIGHT;
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->delayx_rld = tmp;
|
|
}else{
|
|
blob->delayx_rld = SCROLL_X_SPEED;
|
|
}
|
|
blob->delayx = blob->delayx_rld;
|
|
break;
|
|
case '>':
|
|
blob->direction |= DIRECTION_RIGHT;
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->delayx_rld = tmp;
|
|
}else{
|
|
blob->delayx_rld = SCROLL_X_SPEED;
|
|
}
|
|
blob->delayx = blob->delayx_rld;
|
|
break;
|
|
case 'd':
|
|
blob->direction |= DIRECTION_DOWN;
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->delayy_rld = tmp;
|
|
}else{
|
|
blob->delayy_rld = SCROLL_Y_SPEED;
|
|
}
|
|
blob->delayy = blob->delayy_rld;
|
|
break;
|
|
case 'u':
|
|
blob->direction &= ~DIRECTION_DOWN;
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->delayy_rld = tmp;
|
|
}else{
|
|
blob->delayy_rld = SCROLL_Y_SPEED;
|
|
}
|
|
blob->delayy = blob->delayy_rld;
|
|
break;
|
|
case 'x'://Place string at this x Position
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->posx = tmp;
|
|
}else{
|
|
blob->posx = NUM_COLS/2 + blob->sizex/2;
|
|
}
|
|
break;
|
|
case 'y'://Place string at this y Position
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->posy = tmp - blob->sizey;
|
|
}
|
|
break;
|
|
case 'b'://blink blob
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->delayb_rld = tmp;
|
|
}else{
|
|
blob->delayb_rld = 50;
|
|
}
|
|
blob->delayb = blob->delayb_rld;
|
|
break;
|
|
case '|':
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->tox = tmp;
|
|
}else{
|
|
blob->tox = (NUM_COLS - 2 + blob->sizex)/2;
|
|
}
|
|
blob->waitfor = wait_posx;
|
|
return retval;
|
|
break;
|
|
case '-':
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->toy = tmp;
|
|
}else{
|
|
blob->toy = (UNUM_ROWS-blob->sizey) / 2; //MARK
|
|
}
|
|
blob->waitfor = wait_posy;
|
|
return retval;
|
|
break;
|
|
case 'p':
|
|
blob->delayx_rld = 0;
|
|
blob->delayy_rld = 0;
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
blob->timer = tmp*64;
|
|
}else{
|
|
blob->timer = 30*64;
|
|
}
|
|
blob->waitfor = wait_timer;
|
|
return retval;
|
|
break;
|
|
case '/':
|
|
blob->waitfor = wait_out;
|
|
return retval;
|
|
break;
|
|
case ';':
|
|
blob->waitfor = wait_col_l;
|
|
return (retval);
|
|
break;
|
|
case ':':
|
|
blob->waitfor = wait_col_r;
|
|
return (retval);
|
|
break;
|
|
case '+':
|
|
retval = 2;
|
|
break;
|
|
}
|
|
}
|
|
return 1;//this blob is finished, and can be deleted.
|
|
}
|
|
|
|
|
|
blob_t * setupBlob(char * str){
|
|
static unsigned char chop_cnt;
|
|
static char *last; static char delim[] = "#";
|
|
static char *lastcommands;
|
|
unsigned int tmp;
|
|
|
|
blob_t *blob = malloc(sizeof (blob_t));
|
|
|
|
if(str){
|
|
#ifndef AVR
|
|
// on non-AVR archs strtok_r fails for some reason if it operates on a
|
|
// string which is located on another stack frame, so we need our own copy
|
|
memcpy (blob->scrolltextBuffer, str, SCROLLTEXT_BUFFER_SIZE);
|
|
str = blob->scrolltextBuffer;
|
|
#endif
|
|
chop_cnt = 0;
|
|
}
|
|
|
|
if(!chop_cnt){
|
|
blob->commands = strtok_r (str, delim, &last);
|
|
|
|
if( blob->commands == 0) goto fail;
|
|
|
|
if((tmp = getnum(blob)) != 0xFFFF){
|
|
chop_cnt = tmp;
|
|
lastcommands = blob->commands;
|
|
}
|
|
}
|
|
|
|
if(chop_cnt){
|
|
chop_cnt--;
|
|
blob->commands = lastcommands;
|
|
}
|
|
|
|
blob->str = strtok_r (NULL, delim, &last);
|
|
|
|
if ( blob->str == 0) goto fail;
|
|
|
|
blob->fontIndex = fonts[0].fontIndex;
|
|
blob->fontData = fonts[0].fontData;
|
|
blob->font_storebytes = fonts[0].storebytes;
|
|
|
|
unsigned char tmp1, *strg = (unsigned char*)blob->str;
|
|
unsigned char glyph_beg = fonts[0].glyph_beg;
|
|
unsigned char glyph_end = fonts[0].glyph_end;
|
|
|
|
//translate the string: subtract 1 to get offset in Table
|
|
while((tmp1 = *strg)){
|
|
if((tmp1>=glyph_beg) && (tmp1<glyph_end)){
|
|
*strg = 1 + tmp1 - glyph_beg;
|
|
}else{
|
|
*strg = 1;
|
|
}
|
|
strg++;
|
|
}
|
|
|
|
blob->space = 1;
|
|
|
|
blob->sizey = fonts[0].fontHeight;
|
|
blob->sizex = getLen(blob);
|
|
if(*blob->commands == '<'){
|
|
blob->posx = 0;
|
|
blob->posy = (UNUM_ROWS-blob->sizey)/2; //MARK
|
|
}else if(*blob->commands == '>'){
|
|
blob->posx = NUM_COLS+blob->sizex;
|
|
blob->posy = (UNUM_ROWS-blob->sizey)/2; //MARK
|
|
}else if(*blob->commands == 'd'){
|
|
blob->posy = -blob->sizey;
|
|
blob->posx = (UNUM_COLS - 2 + blob->sizex)/2; //MARK
|
|
}else if(*blob->commands == 'u'){
|
|
blob->posy = blob->sizey;
|
|
blob->posx = (UNUM_COLS - 2 + blob->sizex)/2; //MARK
|
|
}else if(*blob->commands == 'x'){
|
|
blob->posy = (UNUM_ROWS-blob->sizey)/2; //MARK
|
|
}else if(*blob->commands == 'y'){
|
|
blob->posx = (UNUM_COLS - 2 + blob->sizex)/2; //MARK
|
|
}
|
|
|
|
blob->delayx_rld = 0;
|
|
blob->delayy_rld = 0;
|
|
blob->delayb_rld = 0;
|
|
|
|
blob->waitfor = wait_new;
|
|
|
|
return blob;
|
|
|
|
fail:
|
|
free(blob);
|
|
return 0;//no more blobs to parse
|
|
}
|
|
|
|
|
|
unsigned char updateBlob(blob_t * blob){
|
|
|
|
if(blob->delayx_rld && (!(blob->delayx--))){
|
|
blob->delayx = blob->delayx_rld;
|
|
(blob->direction & DIRECTION_RIGHT)?blob->posx--:blob->posx++;
|
|
}
|
|
|
|
if(blob->delayy_rld && (!(blob->delayy--))){
|
|
blob->delayy = blob->delayy_rld;
|
|
(blob->direction & DIRECTION_DOWN)?blob->posy++:blob->posy--;
|
|
}
|
|
|
|
if(blob->delayb_rld){
|
|
if(!(blob->delayb--)){
|
|
blob->delayb = blob->delayb_rld;
|
|
blob->visible ^= 1;
|
|
}
|
|
}else{
|
|
blob->visible = 1;
|
|
}
|
|
|
|
unsigned char done=0;
|
|
switch (blob->waitfor){
|
|
case wait_posy:
|
|
if (blob->posy == blob->toy)done = 1;
|
|
break;
|
|
case wait_posx:
|
|
if (blob->posx == blob->tox)done = 1;
|
|
break;
|
|
case wait_out:
|
|
if((blob->posx - blob->sizex) > NUM_COLS || blob->posx < 0) done = 1;
|
|
if((blob->posy) > NUM_ROWS || (blob->posy + blob->sizey) <0 ) done = 1;
|
|
break;
|
|
case wait_timer:
|
|
if(0 == blob->timer--){
|
|
done = 1;
|
|
}
|
|
break;
|
|
case wait_col_l:
|
|
if(blob->last){
|
|
if((blob->last->posx - blob->last->sizex) == blob->posx){
|
|
done=1;
|
|
}
|
|
}else{
|
|
done = 1;
|
|
}
|
|
break;
|
|
case wait_col_r:
|
|
if(blob->next){
|
|
if(blob->next->posx == (blob->posx - blob->sizex)){
|
|
done=1;
|
|
}
|
|
}else{
|
|
done = 1;
|
|
}
|
|
break;
|
|
default:
|
|
done = 1;
|
|
break;
|
|
}
|
|
if(done){
|
|
return (blobNextCommand(blob));
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void drawBlob(blob_t *blob) {
|
|
char x, y;
|
|
unsigned char byte=0, glyph, storebytes;
|
|
unsigned int charPos, charEnd;
|
|
|
|
unsigned int posx; unsigned char posy, toy;
|
|
|
|
if(!blob->visible) return;
|
|
|
|
unsigned char * str = (unsigned char*)blob->str;
|
|
posx = blob->posx;
|
|
posy = blob->posy;
|
|
toy = posy + blob->sizey;
|
|
storebytes = blob->font_storebytes;
|
|
|
|
glyph = (*blob->str)-1;
|
|
charPos = PW(blob->fontIndex[glyph]);
|
|
charEnd = PW(blob->fontIndex[glyph+1]);
|
|
|
|
while (posx >= NUM_COLS) {
|
|
charPos += storebytes;
|
|
if (charPos < charEnd) {
|
|
posx--;
|
|
}else{
|
|
posx -= blob->space + 1;
|
|
if (!(glyph = *++str)) return;
|
|
glyph -= 1;
|
|
charPos = PW(blob->fontIndex[glyph]);
|
|
charEnd = PW(blob->fontIndex[glyph+1]);
|
|
}
|
|
}
|
|
for (x = posx; x >= 0; x-- ) {
|
|
unsigned char mask = 0;
|
|
unsigned int datpos;
|
|
datpos = charPos;
|
|
|
|
for (y = posy; (y < NUM_ROWS) && (y < toy); y++) {
|
|
|
|
if((mask<<=1) == 0){
|
|
mask = 0x01;
|
|
byte = PB(blob->fontData[datpos++]);
|
|
}
|
|
|
|
if ((byte & mask) && y >= 0 ) {
|
|
text_setpixel((pixel){x, y},1);
|
|
}
|
|
}
|
|
charPos += storebytes;
|
|
if (charPos < charEnd) {
|
|
}else{
|
|
x -= blob->space;
|
|
if (!(glyph = *++str)) return;
|
|
glyph -= 1;
|
|
charPos = PW(blob->fontIndex[glyph]);
|
|
charEnd = PW(blob->fontIndex[glyph+1]);
|
|
}
|
|
}
|
|
}
|
|
|
|
extern jmp_buf newmode_jmpbuf;
|
|
|
|
void scrolltext(char *str) {
|
|
jmp_buf tmp_jmpbuf;
|
|
char tmp_str[SCROLLTEXT_BUFFER_SIZE];
|
|
int ljmp_retval;
|
|
|
|
fonts[0] = FONT_NAME;
|
|
|
|
unsigned char auto_pixmap[NUM_ROWS][LINEBYTES];
|
|
text_pixmap = &auto_pixmap;
|
|
|
|
if(scrolltext_text[0] == 0){
|
|
strcpy_P(scrolltext_text, default_text);
|
|
}
|
|
memcpy(tmp_str, str, SCROLLTEXT_BUFFER_SIZE);
|
|
|
|
blob_t *startblob=0, *aktblob, *nextblob=0;
|
|
|
|
memcpy (tmp_jmpbuf, newmode_jmpbuf, sizeof(jmp_buf));
|
|
if((ljmp_retval = setjmp(newmode_jmpbuf))){
|
|
while(startblob){
|
|
aktblob = startblob;
|
|
startblob = aktblob->next;
|
|
free(aktblob);
|
|
}
|
|
memcpy (newmode_jmpbuf, tmp_jmpbuf, sizeof(jmp_buf));
|
|
longjmp(newmode_jmpbuf, ljmp_retval);
|
|
}
|
|
|
|
if (!(startblob = setupBlob(tmp_str))){
|
|
goto exit;
|
|
}
|
|
|
|
unsigned char retval;
|
|
do{
|
|
startblob->next = 0;
|
|
startblob->last = 0;
|
|
while(startblob){
|
|
aktblob = startblob;
|
|
while(aktblob){
|
|
retval = updateBlob(aktblob);
|
|
if(!retval){
|
|
nextblob = aktblob->next;
|
|
}else if(retval == 1){
|
|
if(aktblob == startblob){
|
|
startblob = aktblob->next;
|
|
}else{
|
|
aktblob->last->next = aktblob->next;
|
|
}
|
|
if(aktblob->next){
|
|
aktblob->next->last = aktblob->last;
|
|
}
|
|
nextblob = aktblob->next;
|
|
free(aktblob);
|
|
}else if(retval == 2){
|
|
blob_t * newblob = setupBlob(0);
|
|
if (newblob){
|
|
newblob->last = aktblob;
|
|
newblob->next = aktblob->next;
|
|
if(aktblob->next){
|
|
aktblob->next->last = newblob;
|
|
}
|
|
aktblob->next = newblob;
|
|
}
|
|
nextblob = aktblob->next;
|
|
}
|
|
aktblob = nextblob;
|
|
}
|
|
|
|
aktblob = startblob;
|
|
clear_text_pixmap();
|
|
while(aktblob){
|
|
drawBlob(aktblob);
|
|
aktblob = aktblob->next;
|
|
}
|
|
update_pixmap();
|
|
wait(2);
|
|
};
|
|
startblob = setupBlob(0);
|
|
//showBlob(startblob);
|
|
}while(startblob);
|
|
|
|
exit:
|
|
memcpy (newmode_jmpbuf, tmp_jmpbuf, sizeof(jmp_buf));
|
|
}
|