void draw_rotated_axis_label(chan_info *cp, GdkGC *gc, const char *text, gint x0, gint y0)
{
GtkWidget *w;
if ((cp->chan > 0) && (cp->sound->channel_style == CHANNELS_COMBINED))
w = channel_graph(cp->sound->chans[0]);
else w = channel_graph(cp);
rotate_text(w->window, gc, AXIS_LABEL_FONT(ss), text, 90, x0, y0);
}
static void proctext(sdata_t *sdata, weed_timecode_t tc, char *xtext, cairo_t *cairo, PangoLayout *layout,
PangoFontDescription *font, int width, int height) {
double dwidth,dheight;
double radX,radY;
switch (sdata->mode) {
case (PT_WORD_COALESCE):
if (sdata->timer==0.) {
sdata->start=-1;
sdata->length=1;
sdata->tmode=PT_WORD_MODE;
}
if (sdata->start>-1) {
set_font_size(layout,font,64);
// get pixel size of word
getlsize(layout, &dwidth, &dheight);
setxypos(dwidth,dheight,width/2,height/2,&sdata->x_text,&sdata->y_text);
sdata->dbl1-=sdata->dbl1/3.5+.5; // blur shrink
sdata->dbl2+=.07;
sdata->fg_alpha=sdata->dbl2;
}
if (sdata->alarm) {
pt_subst_t *xsubst;
char nxlast;
sdata->bool1=!sdata->bool1;
sdata->dbl1=300.; // blur start
sdata->fg_alpha=sdata->dbl2=0.;
if (sdata->length>0) {
sdata->start++;
if (sdata->start>=sdata->wlength) {
sdata->start=0;
sdata->length=0;
sdata->dbl1=0.;
pt_set_alarm(sdata,1000); // milliseconds
}
} else {
sdata->length=1;
sdata->bool1=TRUE;
}
if (sdata->length>0) {
if (sdata->start==sdata->wlength-1) {
pt_set_alarm(sdata,1000); // milliseconds
} else {
// peek at last char of next word
if (sdata->text_type==TEXT_TYPE_ASCII) {
xsubst=get_nth_word_ascii(sdata->text,sdata->start);
} else {
xsubst=get_nth_word_utf8(sdata->text,sdata->start);
}
nxlast=sdata->text[xsubst->start+xsubst->length-1];
weed_free(xsubst);
if (nxlast=='.'||nxlast=='!'||nxlast=='?') pt_set_alarm(sdata,1000); // milliseconds
else if (nxlast==',') pt_set_alarm(sdata,700); // milliseconds
else if (nxlast==';') pt_set_alarm(sdata,800); // milliseconds
else pt_set_alarm(sdata,500); // milliseconds
}
}
}
break;
case (PT_LETTER_STARFIELD):
if (sdata->timer==0.) {
sdata->start=0;
sdata->length=0;
sdata->tmode=PT_LETTER_MODE;
sdata->letter_data=letter_data_create(sdata->tlength);
}
if (sdata->length>0) {
pt_letter_data_t *ldt=&sdata->letter_data[sdata->count];
double dist=ldt->zpos;
if (dist>1.) {
set_font_size(layout,font,1024./dist);
// get pixel size of letter/word
getlsize(layout, &dwidth, &dheight);
sdata->x_text=ldt->xpos/dist+(double)width/2.;
sdata->y_text=ldt->ypos/dist+(double)height/2.;
setxypos(dwidth,dheight,sdata->x_text,sdata->y_text,&sdata->x_text,&sdata->y_text);
sdata->fg_alpha=dist/100.+.5;
anim_letter(ldt);
colour_copy(&sdata->fg,&ldt->colour);
} else pango_layout_set_text(layout, "", -1);
}
if (sdata->alarm) {
// set values for next letter
pt_letter_data_t *ldt=&sdata->letter_data[sdata->length];
double angle=rand_angle();
ldt->xpos=ldt->ypos=ldt->rot=ldt->rotvel=0.;
ldt->zpos=80.+sdata->length;
if (ldt->zpos>100.) ldt->zpos=100.;
ldt->xvel=sin(angle)*16.;
ldt->yvel=cos(angle)*16.;
ldt->zvel=-2.;
ldt->xaccel=ldt->yaccel=ldt->zaccel=ldt->rotaccel=0.;
if (sdata->length==0||!strncmp(&sdata->text[utf8offs(sdata->text,sdata->length)]," ",1)) {
ldt->colour.red=getrandi(60,255);
ldt->colour.green=getrandi(60,255);
ldt->colour.blue=getrandi(60,255);
} else {
colour_copy(&ldt->colour,&(sdata->letter_data[sdata->length-1].colour));
}
sdata->length++;
if (sdata->length<sdata->tlength) pt_set_alarm(sdata,400); // milliseconds
else pt_set_alarm(sdata,-1);
}
break;
case (PT_SPINNING_LETTERS):
if (sdata->timer==0.) {
sdata->int1=0;
// select all text
sdata->start=0;
sdata->length=sdata->tlength;
sdata->tmode=PT_LETTER_MODE;
sdata->dbl3=0.;
}
if (!sdata->count) {
sdata->dbl1=0.;
sdata->dbl2=sdata->dbl3;
sdata->dbl3+=.1;
}
set_font_size(layout,font,64);
sdata->x_text=width-sdata->int1+sdata->dbl1;
sdata->y_text=height/2;
// rotate letter
rotate_text(cairo,layout,sdata->x_text,sdata->y_text,sdata->dbl2);
// must re-center after rotating
sdata->x_text=sdata->y_text=0;
// get pixel size of letter/word
getlsize(layout, &dwidth, &dheight);
sdata->dbl1+=dwidth+10.;
setxypos(0,dheight,sdata->x_text,sdata->y_text,&sdata->x_text,&sdata->y_text);
if (sdata->alarm) {
pt_set_alarm(sdata,25); // milliseconds
// shift rate
sdata->int1+=8;
}
// spin rate
sdata->dbl2+=.1;
break;
case (PT_SPIRAL_TEXT):
if (sdata->timer==0.) {
sdata->int1=0;
sdata->start=0;
sdata->tmode=PT_LETTER_MODE;
}
set_font_size(layout,font,2560./(sdata->count+19.));
// get pixel size of letter/word
getlsize(layout, &dwidth, &dheight);
// expansion factor
if (sdata->int1<2) {
sdata->dbl3=1.;
sdata->bool1=FALSE;
} else sdata->dbl3+=.0001;
// set x_text, y_text
if (!sdata->count) {
sdata->dbl1=radX=width*.45*sdata->dbl3;
sdata->dbl2=radY=height*.45*sdata->dbl3;
} else {
if (!sdata->bool1) {
sdata->dbl1=radX=sdata->dbl1*.98;
sdata->dbl2=radY=sdata->dbl2*.98;
} else {
sdata->dbl1=radX=sdata->dbl1*.97;
sdata->dbl2=radY=sdata->dbl2*.97;
}
}
if (sdata->bool1)
setxypos(dwidth,dheight,width/2+sin(sdata->count/4.+(sdata->dbl3-1.)*9.)*radX,
height/2-cos(-sdata->count/4.-(sdata->dbl3-1.)*8.)*radY,&sdata->x_text,&sdata->y_text);
else
setxypos(dwidth,dheight,width/2+sin(sdata->count/4.+(sdata->dbl3-1.)*8.)*radX,
height/2-cos(-sdata->count/4.-(sdata->dbl3-1.)*8.)*radY,&sdata->x_text,&sdata->y_text);
if (!strncmp(xtext,".",1)) sdata->int1++;
if (sdata->alarm) {
pt_set_alarm(sdata,250); // milliseconds
if (sdata->start+sdata->length<sdata->tlength) {
// add an extra letter
sdata->length++;
} else {
sdata->length-=2;
sdata->start+=2;
sdata->dbl3-=.0002;
sdata->dbl1=sdata->dbl1*.97;
sdata->dbl2=radY=sdata->dbl2*.97;
// trip to lissajou
if (!sdata->bool1) sdata->bool1=TRUE;
if (sdata->length<=0) {
sdata->length=1;
sdata->start=0;
sdata->bool1=FALSE;
sdata->dbl3=-sdata->dbl3/12.;
} else pt_set_alarm(sdata,50); // milliseconds
}
}
break;
} // end switch
}
