void CVView::setSelectedDataPointIndices(const QList<int> &L)
{
d->m_selected_line=cvline(0,0,0,0,0,0);
d->m_selected_point_indices=L;
emit selectedLineChanged();
emit selectedDataPointsChanged();
d->start_update_view();
}
/*---------------------------------------------------------------------------*/
void draw_window_sub(struct ctk_window *window, unsigned char focus) {
unsigned char x, y;
unsigned char x1, y1, x2;
struct ctk_widget *w;
unsigned char wfocus;
x = window->x;
y = window->y + 1;
x1 = x + 1;
y1 = y + 1;
x2 = x1 + window->w;
// |_
gotoxy(x, y1);
cvline(window->h);
cputc(CH_LLCORNER);
chline(window->w);
cputc(CH_LRCORNER);
// -
gotoxy(x, y);
cputc(CH_ULCORNER);
chline(window->w);
cputc(CH_URCORNER);
// |
gotoxy(x2, y1);
cvline(window->h);
/* Draw inactive widgets. */
for(w = window->inactive; w != NULL; w = w->next) {
draw_widget(w, x1, y1, focus);
}
/* Draw active widgets. */
for(w = window->active; w != NULL; w = w->next) {
wfocus = focus;
if(w == window->focused) {
wfocus |= CTK_FOCUS_WIDGET;
}
draw_widget(w, x1, y1, wfocus);
}
}
// draw a vector field based on horizontal and vertical flow fields
void drawmotionfield(iplimage* imgu, iplimage* imgv, iplimage* imgmotion, int xspace, int yspace, float cutoff, int multiplier, cvscalar color)
{
int x, y;
cvpoint p0 = cvpoint(0,0);
cvpoint p1 = cvpoint(0,0);
float deltax, deltay, angle, hyp;
for(y = yspace; y < imgu->height; y+= yspace ) {
for(x = xspace; x < imgu->width; x+= xspace ){
p0.x = x;
p0.y = y;
deltax = *((float*)(imgu->imagedata + y*imgu->widthstep)+x);
deltay = -(*((float*)(imgv->imagedata + y*imgv->widthstep)+x));
angle = atan2(deltay, deltax);
hyp = sqrt(deltax*deltax + deltay*deltay);
if(hyp > cutoff){
p1.x = p0.x + cvround(multiplier*hyp*cos(angle));
p1.y = p0.y + cvround(multiplier*hyp*sin(angle));
cvline( imgmotion, p0, p1, color,1, cv_aa, 0);
p0.x = p1.x + cvround(3*cos(angle-m_pi + m_pi/4));
p0.y = p1.y + cvround(3*sin(angle-m_pi + m_pi/4));
cvline( imgmotion, p0, p1, color,1, cv_aa, 0);
p0.x = p1.x + cvround(3*cos(angle-m_pi - m_pi/4));
p0.y = p1.y + cvround(3*sin(angle-m_pi - m_pi/4));
cvline( imgmotion, p0, p1, color,1, cv_aa, 0);
}
}
}
}
float compute_distance_from_point_to_line(const CVPoint &P,const CVLine &L) {
//is there a faster formula? If anyone can help it would be appreciated.
//first we move the point to zero
CVLine L2=cvline(L.p1.x-P.x,L.p1.y-P.y,L.p1.z-P.z,L.p2.x-P.x,L.p2.y-P.y,L.p2.z-P.z);
//Define n = the direction as a unit vector
CVPoint n=cvpoint(L2.p2.x-L2.p1.x,L2.p2.y-L2.p1.y,L2.p2.z-L2.p1.z);
float mag=sqrt(n.x*n.x+n.y*n.y+n.z*n.z);
if (mag>0) {n.x/=mag; n.y/=mag; n.z/=mag;}
//find the point along the line closest to zero
float dotprod=L2.p1.x*n.x+L2.p1.y*n.y+L2.p1.z*n.z;
CVPoint q=cvpoint(L2.p1.x-dotprod*n.x,L2.p1.y-dotprod*n.y,L2.p1.z-dotprod*n.z);
//now return the distance from zero
return sqrt(q.x*q.x+q.y*q.y+q.z*q.z);
}
CVView::CVView(QWidget *parent) : QWidget(parent)
{
d=new CVViewPrivate;
d->q=this;
d->m_view_transformation.scale(0.6,0.6,0.6);
d->m_inverse_view_transformation=d->m_view_transformation.inverse();
this->setMouseTracking(true);
d->m_update_view_code=0;
d->m_window_max=0.5;
d->m_increment_weight=1;
d->m_need_initialize_window=false;
d->m_radius=0.5;
d->m_scale=1;
d->m_dx=d->m_dy=0;
d->m_perspective_factor=1.2;
d->m_selected_line=cvline(0,0,0,0,0,0);
d->m_num_datapoints_to_select=10;
d->m_is_moving=false;
connect(this,SIGNAL(signal_do_update_view(long,long)),this,SLOT(slot_update_view(long,long)),Qt::QueuedConnection);
}
/*-----------------------------------------------------------------------------------*/
static void
draw_widget(struct ctk_widget *w,
unsigned char x, unsigned char y,
unsigned char clipx, unsigned char clipy,
unsigned char clipy1, unsigned char clipy2,
unsigned char focus)
{
unsigned char xpos, ypos, xscroll;
unsigned char i, j;
char c, *text;
unsigned char wfocus;
#if CTK_CONF_ICONS
unsigned char len;
#endif /* CTK_CONF_ICONS */
wfocus = 0;
if(focus & CTK_FOCUS_WINDOW) {
(void)textcolor(WIDGETCOLOR_FWIN);
if(focus & CTK_FOCUS_WIDGET) {
(void)textcolor(WIDGETCOLOR_FOCUS);
wfocus = 1;
}
#if CTK_CONF_WINDOWS
} else if(focus & CTK_FOCUS_DIALOG) {
(void)textcolor(WIDGETCOLOR_DIALOG);
if(focus & CTK_FOCUS_WIDGET) {
(void)textcolor(WIDGETCOLOR_FOCUS);
wfocus = 1;
}
#endif /* CTK_CONF_WINDOWS */
} else {
(void)textcolor(WIDGETCOLOR);
}
xpos = x + w->x;
ypos = y + w->y;
switch(w->type) {
case CTK_WIDGET_SEPARATOR:
if(ypos >= clipy1 && ypos < clipy2) {
chlinexy(xpos, ypos, w->w);
}
break;
case CTK_WIDGET_LABEL:
text = w->widget.label.text;
for(i = 0; i < w->h; ++i) {
if(ypos >= clipy1 && ypos < clipy2) {
gotoxy(xpos, ypos);
cputsn(text, w->w);
if(w->w - (wherex() - xpos) > 0) {
cclear(w->w - (wherex() - xpos));
}
}
++ypos;
text += w->w;
}
break;
case CTK_WIDGET_BUTTON:
if(ypos >= clipy1 && ypos < clipy2) {
revers(wfocus != 0);
cputcxy(xpos, ypos, '[');
cputsn(w->widget.button.text, w->w);
cputc(']');
revers(0);
}
break;
case CTK_WIDGET_HYPERLINK:
if(ypos >= clipy1 && ypos < clipy2) {
revers(wfocus == 0);
gotoxy(xpos, ypos);
(void)textcolor(WIDGETCOLOR_HLINK);
cputsn(w->widget.button.text, w->w);
revers(0);
}
break;
case CTK_WIDGET_TEXTENTRY:
text = w->widget.textentry.text;
xscroll = 0;
if(w->widget.textentry.xpos >= w->w - 1) {
xscroll = w->widget.textentry.xpos - w->w + 1;
}
for(j = 0; j < w->h; ++j) {
if(ypos >= clipy1 && ypos < clipy2) {
if(w->widget.textentry.state == CTK_TEXTENTRY_EDIT &&
w->widget.textentry.ypos == j) {
revers(0);
cputcxy(xpos, ypos, '>');
c = 1;
for(i = 0; i < w->w; ++i) {
if(c != 0) {
c = text[i + xscroll];
}
revers(i == w->widget.textentry.xpos - xscroll);
if(c == 0) {
cputc(' ');
} else {
cputc(c);
}
}
revers(0);
cputc('<');
} else {
revers(wfocus != 0 && j == w->widget.textentry.ypos);
cvlinexy(xpos, ypos, 1);
gotoxy(xpos + 1, ypos);
cputsn(text, w->w);
i = wherex();
if(i - xpos - 1 < w->w) {
cclear(w->w - (i - xpos) + 1);
}
cvline(1);
}
}
++ypos;
text += w->widget.textentry.len + 1;
}
revers(0);
break;
#if CTK_CONF_ICONS
case CTK_WIDGET_ICON:
if(ypos >= clipy1 && ypos < clipy2) {
revers(wfocus != 0);
#if CTK_CONF_ICON_TEXTMAPS
if(w->widget.icon.textmap != NULL) {
for(i = 0; i < 3; ++i) {
gotoxy(xpos, ypos);
if(ypos >= clipy1 && ypos < clipy2) {
cputc(w->widget.icon.textmap[0 + 3 * i]);
cputc(w->widget.icon.textmap[1 + 3 * i]);
cputc(w->widget.icon.textmap[2 + 3 * i]);
}
++ypos;
}
}
#endif /* CTK_CONF_ICON_TEXTMAPS */
len = (unsigned char)strlen(w->widget.icon.title);
if(xpos + len >= sizex) {
xpos = sizex - len;
}
gotoxy(xpos, ypos);
if(ypos >= clipy1 && ypos < clipy2) {
cputs(w->widget.icon.title);
}
revers(0);
}
break;
#endif /* CTK_CONF_ICONS */
default:
break;
}
}
/*-----------------------------------------------------------------------------------*/
void
cvlinexy(unsigned char x, unsigned char y, unsigned char length)
{
gotoxy(x, y);
cvline(length);
}
/*-----------------------------------------------------------------------------------*/
static void
draw_widget(struct ctk_widget *w,
unsigned char x, unsigned char y,
unsigned char clipx,
unsigned char clipy,
unsigned char clipy1, unsigned char clipy2,
unsigned char focus)
{
unsigned char xpos, ypos, xscroll;
unsigned char i, j;
unsigned char iconnum;
char c, *text;
unsigned char len;
/*
if(focus & CTK_FOCUS_WINDOW) {
textcolor(WIDGETCOLOR_FWIN);
if(focus & CTK_FOCUS_WIDGET) {
textcolor(WIDGETCOLOR_FOCUS);
}
} else if(focus & CTK_FOCUS_DIALOG) {
textcolor(WIDGETCOLOR_DIALOG);
if(focus & CTK_FOCUS_WIDGET) {
textcolor(WIDGETCOLOR_FOCUS);
}
} else {
textcolor(WIDGETCOLOR);
}
*/
xpos = x + w->x;
ypos = y + w->y;
switch(w->type) {
case CTK_WIDGET_SEPARATOR:
textcolor(VNC_OUT_SEPARATORCOLOR + focus);
if(ypos >= clipy1 && ypos < clipy2) {
/* chlinexy(xpos, ypos, w->w);*/
gotoxy(xpos, ypos);
for(i = 0; i < w->w; ++i) {
cputc(CH_SEPARATOR);
}
}
break;
case CTK_WIDGET_LABEL:
textcolor(VNC_OUT_LABELCOLOR + focus);
text = w->widget.label.text;
for(i = 0; i < w->h; ++i) {
if(ypos >= clipy1 && ypos < clipy2) {
gotoxy(xpos, ypos);
cputsn(text, w->w);
if(w->w - (wherex() - xpos) > 0) {
cclear(w->w - (wherex() - xpos));
}
}
++ypos;
text += w->w;
}
break;
case CTK_WIDGET_BUTTON:
textcolor(VNC_OUT_BUTTONCOLOR + focus);
if(ypos >= clipy1 && ypos < clipy2) {
if(focus & CTK_FOCUS_WIDGET) {
revers(1);
} else {
revers(0);
}
cputcxy(xpos, ypos, CH_BUTTONLEFT);
cputsn(w->widget.button.text, w->w);
cputc(CH_BUTTONRIGHT);
revers(0);
}
break;
case CTK_WIDGET_HYPERLINK:
textcolor(VNC_OUT_HYPERLINKCOLOR + focus);
if(ypos >= clipy1 && ypos < clipy2) {
/* if(focus & CTK_FOCUS_WIDGET) {
textcolor(WIDGETCOLOR_HLINK_FOCUS);
revers(0);
} else {
textcolor(WIDGETCOLOR_HLINK);
revers(1);
}*/
gotoxy(xpos, ypos);
cputsn(w->widget.button.text, w->w);
revers(0);
}
break;
case CTK_WIDGET_TEXTENTRY:
textcolor(VNC_OUT_TEXTENTRYCOLOR + focus);
text = w->widget.textentry.text;
xscroll = 0;
if(w->widget.textentry.xpos >= w->w - 1) {
xscroll = w->widget.textentry.xpos - w->w + 1;
}
for(j = 0; j < w->h; ++j) {
if(ypos >= clipy1 && ypos < clipy2) {
if(w->widget.textentry.state == CTK_TEXTENTRY_EDIT &&
w->widget.textentry.ypos == j) {
revers(0);
cputcxy(xpos, ypos, '>');
c = 1;
for(i = 0; i < w->w; ++i) {
if(c != 0) {
c = text[i + xscroll];
}
if(i == w->widget.textentry.xpos - xscroll) {
textcolor(VNC_OUT_TEXTENTRYCOLOR + (focus ^ 0x01));
revers(1);
} else {
revers(0);
}
if(c == 0) {
cputc(' ');
} else {
cputc(c);
}
revers(0);
textcolor(VNC_OUT_TEXTENTRYCOLOR + focus);
}
cputc('<');
} else {
if(focus & CTK_FOCUS_WIDGET && j == w->widget.textentry.ypos) {
revers(1);
} else {
revers(0);
}
cvlinexy(xpos, ypos, 1);
gotoxy(xpos + 1, ypos);
cputsn(text, w->w);
i = wherex();
if(i - xpos - 1 < w->w) {
cclear(w->w - (i - xpos) + 1);
}
cvline(1);
}
}
++ypos;
text += w->widget.textentry.len + 1;
}
revers(0);
break;
#if CTK_CONF_ICONS
case CTK_WIDGET_ICON:
if(ypos >= clipy1 && ypos < clipy2) {
textcolor(VNC_OUT_ICONCOLOR + focus);
if(focus & 1) {
revers(1);
} else {
revers(0);
}
x = xpos;
len = strlen(w->widget.icon.title);
if(x + len >= sizex) {
x = sizex - len;
}
gotoxy(x, ypos + 3);
if(ypos >= clipy1 && ypos < clipy2) {
cputs(w->widget.icon.title);
}
#if CTK_CONF_ICON_BITMAPS
if(w->widget.icon.bitmap != NULL) {
iconnum = vnc_out_add_icon((struct ctk_icon *)w);
textcolor(iconnum | (focus << 6));
gotoxy(xpos, ypos);
cputc(0x80);
cputc(0x81);
cputc(0x82);
cputc(0x83);
++ypos;
gotoxy(xpos, ypos);
cputc(0x90);
cputc(0x91);
cputc(0x92);
cputc(0x93);
++ypos;
gotoxy(xpos, ypos);
cputc(0xa0);
cputc(0xa1);
cputc(0xa2);
cputc(0xa3);
++ypos;
textcolor(0);
/* for(i = 0; i < 3; ++i) {
if(ypos >= clipy1 && ypos < clipy2) {
cputc(w->widget.icon.textmap[0 + 3 * i]);
cputc(w->widget.icon.textmap[1 + 3 * i]);
cputc(w->widget.icon.textmap[2 + 3 * i]);
}
++ypos;
}*/
}
#endif /* CTK_CONF_ICON_BITMAPS */
revers(0);
}
break;
#endif /* CTK_CONF_ICONS */
default:
break;
}
}
/* Same as "gotoxy (x, y); cvline (length);" */
void __fastcall__ cvlinexy( unsigned char x, unsigned char y, unsigned char length )
{
gotoxy( x, y );
cvline( length );
}