void PolyObject::drawPolyLine(float polyOriginX, float polyOriginY, float pixelsPerCell, float cellsPerMeter) {
fl_begin_loop();
for(unsigned i = 0; i < points.size(); i++) {
float pointOffsetX = SiteObject::worldToScreen(points[i].x, pixelsPerCell, cellsPerMeter);
float pointOffsetY = SiteObject::worldToScreen(points[i].y, pixelsPerCell, cellsPerMeter);
float pointX = polyOriginX + pointOffsetX;
float pointY = polyOriginY - pointOffsetY;
fl_vertex(pointX, pointY);
}
if(nextPoint) {
float pointOffsetX = SiteObject::worldToScreen(nextPoint->x, pixelsPerCell, cellsPerMeter);
float pointOffsetY = SiteObject::worldToScreen(nextPoint->y, pixelsPerCell, cellsPerMeter);
float pointX = polyOriginX + pointOffsetX;
float pointY = polyOriginY - pointOffsetY;
fl_vertex(pointX, pointY);
}
fl_end_loop();
}
static inline void ca_rect(double x, double y, double w, double h){
fl_begin_loop();
fl_vertex(x,y);
fl_vertex(x+w,y);
fl_vertex(x+w,y+h);
fl_vertex(x,y+h);
fl_end_loop();
};
void DesktopIcon::draw(void) {
// draw_box(FL_UP_BOX, FL_BLACK);
if(image() && (damage() & FL_DAMAGE_ALL)) {
Fl_Image* im = image();
/* center image in the box */
int ix = (w()/2) - (im->w()/2);
int iy = (h()/2) - (im->h()/2);
ix += x();
iy += y();
/* darker_img is always present if image() is present */
if(is_focused())
darker_img->draw(ix, iy);
else
im->draw(ix, iy);
E_DEBUG(E_STRLOC ": DesktopIcon icon redraw\n");
}
if(gsettings->label_draw && (damage() & (FL_DAMAGE_ALL | EDAMAGE_CHILD_LABEL))) {
int X = x() + w()-(w()/2)-(lwidth/2);
int Y = y() + h() + LABEL_OFFSET;
Fl_Color old = fl_color();
if(!gsettings->label_transparent) {
fl_color(gsettings->label_background);
fl_rectf(X, Y, lwidth, lheight);
}
int old_font = fl_font();
int old_font_sz = fl_size();
/* draw with icon's font */
fl_font(labelfont(), labelsize());
/* pseudo-shadow */
fl_color(FL_BLACK);
fl_draw(label(), X+1, Y+1, lwidth, lheight, align(), 0, 0);
fl_color(gsettings->label_foreground);
fl_draw(label(), X, Y, lwidth, lheight, align(), 0, 0);
/* restore old font */
fl_font(old_font, old_font_sz);
if(is_focused()) {
/* draw focused box on our way so later this can be used to draw customised boxes */
fl_color(gsettings->label_foreground);
fl_line_style(FL_DOT);
fl_push_matrix();
fl_begin_loop();
fl_vertex(X, Y);
fl_vertex(X + lwidth, Y);
fl_vertex(X + lwidth, Y + lheight);
fl_vertex(X, Y + lheight);
fl_vertex(X, Y);
fl_end_loop();
fl_pop_matrix();
/* revert to default line style */
fl_line_style(0);
}
/* revert to old color whatever that be */
fl_color(old);
E_DEBUG(E_STRLOC ": DesktopIcon label redraw\n");
}
}
FL_EXPORT_C(void,flc_end_loop)( ){
fl_end_loop();
}
void Ca_Y_Axis::draw_grid(){
if(!valid_)return;
if(max_==min_)return;
int tick_index=-1;
double tick_value;
int tick_order;
double _interval=0;
int l1,l2;
int BD = 0;
Fl_Widget * W_ = this;
if(canvas_){
BD = canvas_->border();
W_ = canvas_;
}else if(widget_){
W_ = widget_;
}
l1=W_->x()+Fl::box_dx(W_->box());
l2=W_->x()+W_->w()+Fl::box_dx(W_->box())-Fl::box_dw(W_->box());
int tcl;
if(!(tcl=tick_length_))
tcl=label_font_size_;
while(next_tick(tick_index, tick_value, tick_order,_interval)){
double _pos=position(tick_value);
if(scale_&CA_REV){
if(_pos<min_pos_-BD) continue;
if(_pos>max_pos_+BD) break;
}else{
if(_pos<max_pos_-BD) break;
if(_pos>min_pos_+BD) continue;
}
int grt;
if((grt=grid_visible_&CA_LABEL_GRID) && !(tick_index % label_step_)){
fl_color(label_grid_color_);
fl_line_style(label_grid_style_,label_grid_width_);
if(grt==CA_LABEL_GRID){
fl_begin_loop();
fl_vertex(l1,_pos);
fl_vertex(l2,_pos);
fl_end_loop();
}else{
if(grt&CA_LEFT_LABEL_TICK){
fl_begin_loop();
fl_vertex(l1,_pos);
fl_vertex(l1+tcl,_pos);
fl_end_loop();
}
if(grt&CA_RIGHT_LABEL_TICK){
fl_begin_loop();
fl_vertex(l2-tcl,_pos);
fl_vertex(l2,_pos);
fl_end_loop();
}
}
}else if((grt=grid_visible_&CA_MAJOR_GRID) && !(tick_index % major_step_)){
fl_color(major_grid_color_);
fl_line_style(major_grid_style_,major_grid_width_);
if(grt==CA_MAJOR_GRID){
fl_begin_loop();
fl_vertex(l1,_pos);
fl_vertex(l2,_pos);
fl_end_loop();
}else{
if(grt&CA_LEFT_MAJOR_TICK){
fl_begin_loop();
fl_vertex(l1,_pos);
fl_vertex(l1+tcl,_pos);
fl_end_loop();
}
if(grt&CA_RIGHT_MAJOR_TICK){
fl_begin_loop();
fl_vertex(l2-tcl,_pos);
fl_vertex(l2,_pos);
fl_end_loop();
}
}
}else if((grt=(grid_visible_&CA_MINOR_GRID))){
fl_color(minor_grid_color_);
fl_line_style(minor_grid_style_,minor_grid_width_);
if(grt==CA_MINOR_GRID){
fl_begin_loop();
fl_vertex(l1,_pos);
fl_vertex(l2,_pos);
fl_end_loop();
}else{
if(grt&CA_LEFT_MINOR_TICK){
fl_begin_loop();
fl_vertex(l1,_pos);
fl_vertex(l1+tcl/2,_pos);
fl_end_loop();
}
if(grt&CA_RIGHT_MINOR_TICK){
fl_begin_loop();
fl_vertex(l2-tcl/2,_pos);
fl_vertex(l2,_pos);
fl_end_loop();
}
}
}
}
fl_line_style(0,0);
fl_color(FL_BLACK);
};
static inline void ca_loop(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4){
fl_begin_loop();
fl_vertex(x1,y1); fl_vertex(x2,y2); fl_vertex(x3,y3); fl_vertex(x4,y4);
fl_end_loop();
};
void Ca_Y_Axis::draw(){
if(min_==max_) return;
int BD = 0;
Fl_Widget * W_ = this;
if(canvas_){
BD = canvas_->border();
W_ = canvas_;
}else if(widget_){
W_ = widget_;
}
int tick_index=-1;
double tick_value;
int tick_order;//,tick_number;
double _interval=0;
const char * label_format=label_format_;
// if(damage()|FL_DAMAGE_ALL)
// draw_label();
if (damage()&(FL_DAMAGE_ALL|CA_DAMAGE_ALL)){
update();
if (box()==FL_NO_BOX){
fl_color(parent()->color());
fl_rectf(x(),y(),w(),h());
}else
draw_box();
if(!valid_) return;
fl_font(label_font_face_,label_font_size_);
int l1=0; int l2=0; int m1=0; int m2=0; int l=0; int _x=0; int _w,_h; //temporary coordinates for ticks
double _pos,_y;
//fl_clip(x()+Fl::box_dx(box()),y()+Fl::box_dy(box()),w()-Fl::box_dw(box()),h()-Fl::box_dh(box()));
fl_color(axis_color_);
int a=x()+Fl::box_dx(box())+border_;
int b=a+w()-Fl::box_dw(box())-2*border_;
switch(axis_align_ & CA_ALIGNMENT){
case CA_RIGHT:
l=l1=m1=a;
if(axis_align_&CA_NO_TICS)
m2=m1;
else
if (tick_length_)
m2=m1+tick_length_;
else
m2=m1+label_font_size_;
l2=(l1+m2)/2;
break;
case CA_LEFT:
l=l2=m2=b-1;
if(axis_align_&CA_NO_TICS)
m1=m2;
else
if (tick_length_)
m1=m2-tick_length_;
else
m1=m2-label_font_size_;
l1=(m1+m2)/2;
break;
case CA_CENTER:
m1=a;
m2=b;
l=(a+b)/2;
l1=(a+l)/2;
l2=(l+b)/2;
break;
}
fl_line_style(FL_SOLID|FL_CAP_FLAT,tick_width_);
// double minp,maxp;
double start_tick;
double end_tick;
bool tick_not_started = 1;
while(next_tick(tick_index, tick_value, tick_order, _interval)){
_pos=position(tick_value);
if(scale_&CA_REV){
if((_pos+1)<min_pos_-BD) continue;
if((_pos-1)>max_pos_+BD) break;
}else{
if((_pos+1)<max_pos_-BD) break;
if((_pos-1)>min_pos_+BD) continue;
}
if(!(axis_align_&CA_NO_TICS)){
fl_begin_loop();
if(tick_index % major_step_){
fl_vertex(l1,_pos);
fl_vertex(l2,_pos);
}else{
fl_vertex(m1,_pos);
fl_vertex(m2,_pos);
}
fl_end_loop();
if(tick_not_started){
tick_not_started = 0;
start_tick = _pos;
}
end_tick = _pos;
}
if(!((tick_index % label_step_)|(axis_align_&CA_NO_LABELS))){
char label[MAX_LABEL_LENGTH];
char _label_format[MAX_LABEL_FORMAT];
if(!label_format){
int _tick_order;
if (tick_order>=0)
_tick_order=0;
else
_tick_order=-tick_order - 1;
sprintf(_label_format,"%s.%if","%",_tick_order);
}
else
strcpy(_label_format,label_format);
sprintf(label, _label_format,tick_value);
fl_measure(label,_w,_h);
_y=_pos+_h/3;
switch (axis_align_ & CA_ALIGNMENT){
case CA_LEFT:
_x=m1-_h/3-_w;
break;
case CA_RIGHT:
_x=m2+_h/3;
break;
case CA_CENTER:
_x=(m1+m2)/2-_w/2;
Fl_Color _color=fl_color();
fl_color(color());
ca_rectf(_x-_h/6,_pos-_h/2,_w+_h/3,_h);
fl_color(_color);
break;
}
ca_text(label,_x,_y);
}
}
if((axis_align_ & CA_LINE) && !tick_not_started){
fl_begin_line();
fl_vertex(l,start_tick);
fl_vertex(l,end_tick);
//fl_vertex(l,W_->y()+Fl::box_dy(W_->box()));
//fl_vertex(l,W_->y()+W_->h()+Fl::box_dy(W_->box())-Fl::box_dh(W_->box()));
fl_end_line();
}
fl_line_style(0);
//fl_pop_clip();
}
};
void Ca_Point::draw(){
fl_color(color);
double s,t;
double _x=x_axis_->position(x);
double _y=y_axis_->position(y);
switch(style & CA_POINT_STYLE){
case CA_NO_POINT:
break;
case CA_SIMPLE:
ca_point(_x,_y);
break;
case CA_ROUND:
ca_filled_circle(_x,_y,size);
//ca_pie(_x-size,_y-size,2*size,2*size,0,360);
if (style & CA_BORDER){
fl_color(border_color);
fl_line_style(0,border_width);
fl_begin_loop();
fl_circle(_x,_y,size);
fl_end_loop();
fl_line_style(0,0);
}
break;
case CA_SQUARE:
ca_rectf(_x-size,_y-size,2*size,2*size);
if (style & CA_BORDER){
fl_color(border_color);
fl_line_style(0,border_width);
ca_rect(_x-size,_y-size,2*size,2*size);
fl_line_style(0,0);
}
break;
case CA_UP_TRIANGLE:
s=(int)(1.12*size+0.5);
t=_y+size/3;
ca_polygon(_x,t-2*size,_x-s,t,_x+s,t);
if (style & CA_BORDER){
fl_color(border_color);
fl_line_style(0,border_width);
ca_loop(_x,t-2*size,_x-s,t,_x+s,t);
fl_line_style(0,0);
}
break;
case CA_DOWN_TRIANGLE:
s=(int)(1.12*size+0.5);
t=_y-size/3;
ca_polygon(_x,t+2*size,_x-s,t,_x+s,t);
if (style & CA_BORDER){
fl_color(border_color);
fl_line_style(0,border_width);
ca_loop(_x,t+2*size,_x-s,t,_x+s,t);
fl_line_style(0,0);
}
break;
case CA_DIAMOND:
s=(int)(1.3*size+0.5);
ca_polygon(_x,_y-s,_x-s,_y,_x,_y+s,_x+s,_y);
if (style & CA_BORDER){
fl_color(border_color);
fl_line_style(0,border_width);
ca_loop(_x,_y-s,_x-s,_y,_x,_y+s,_x+s,_y);
fl_line_style(0,0);
}
break;
}
};
void
Panner::draw ( void )
{
int tw, th, tx, ty;
bbox( tx, ty, tw, th );
fl_push_clip( x(),y(),w(),h() );
draw_the_box( tx, ty, tw, th );
// draw_box();
draw_label();
/* if ( _bypassed ) */
/* { */
/* draw_box(); */
/* fl_color( 0 ); */
/* fl_font( FL_HELVETICA, 12 ); */
/* fl_draw( "(bypass)", x(), y(), w(), h(), FL_ALIGN_CENTER ); */
/* goto done; */
/* } */
/* tx += b; */
/* ty += b; */
/* tw -= b * 2; */
/* th -= b * 2; */
fl_line_style( FL_SOLID, 1 );
fl_color( FL_WHITE );
for ( unsigned int i = 0; i < _points.size(); i++ )
{
Point *p = &_points[i];
if ( ! p->visible )
continue;
Fl_Color c = fl_color_add_alpha( p->color, 100 );
fl_color(c);
int px, py, pw, ph;
point_bbox( p, &px, &py, &pw, &ph );
{
float po = 5;
fl_push_clip( px - ( po * 12 ),
py - ( po * 12 ),
pw + ( po * 24 ), ph + (po * 24 ));
fl_pie( px + 5, py + 5, pw - 10, ph - 10, 0, 360 );
fl_pie( px, py, pw, ph, 0, 360 );
fl_pop_clip();
if ( projection() == POLAR )
{
fl_color( fl_color_average( fl_rgb_color( 127,127,127 ), p->color, 0.50 ) );
fl_begin_loop();
fl_circle( tx + tw/2, ty + th/2, tw/2.0f * ( ( p->radius() / range() )));
fl_end_loop();
}
}
const char *s = p->label;
fl_color( fl_color_add_alpha( fl_rgb_color( 220,255,255 ), 127 ) );
fl_font( FL_HELVETICA_BOLD_ITALIC, 10 );
fl_draw( s, px + 20, py + 1, 50, ph - 1, FL_ALIGN_LEFT );
if ( tw > 100 )
{
char pat[50];
snprintf( pat, sizeof(pat), "%.1f°:%.1f° %.1fm", p->azimuth(), p->elevation(), p->radius() );
// fl_color( fl_color_add_alpha( fl_rgb_color( 220,255,255 ), 127 ) );
fl_font( FL_COURIER, 9 );
fl_draw( pat, px + 20, py + 15, 50, ph - 1, FL_ALIGN_LEFT | FL_ALIGN_WRAP );
/* fl_font( FL_HELVETICA_ITALIC, 9 ); */
/* snprintf(pat, sizeof(pat), "range: %.1f meters", range() ); */
/* fl_draw( pat, tx, ty, tw, th, FL_ALIGN_LEFT | FL_ALIGN_BOTTOM | FL_ALIGN_INSIDE ); */
/* if ( _projection == POLAR ) */
/* { */
/* fl_draw( "Polar perspective; azimuth, elevation and radius input. Right click controls radius.", tx, ty, tw, th, FL_ALIGN_BOTTOM | FL_ALIGN_RIGHT | FL_ALIGN_INSIDE ); */
/* } */
/* else */
/* { */
/* fl_draw( "Polar orthographic; angle and distance input.", tx, ty, tw, th, FL_ALIGN_BOTTOM | FL_ALIGN_RIGHT | FL_ALIGN_INSIDE ); */
/* } */
}
}
if ( tw > 200 )
draw_children();
fl_line_style( FL_SOLID, 0 );
fl_pop_clip();
}
void Fl_Gauge::draw(void)
{
int X = x();
int Y = y();
int W = w();
int H = h();
draw_box();
X += Fl::box_dx(box());
Y += Fl::box_dy(box());
W -= Fl::box_dw(box());
H -= Fl::box_dh(box());
double frac = (value() - minimum()) / (maximum() - minimum());
double angle = (angle2() - angle1()) * frac + angle1();
float cx = X + W/2.0f;
float cy = Y + H/2.0f;
float d = (float)((W < H)? W : H);
double num_major_ticks = (maximum() - minimum()) / major_step_size;
double num_minor_ticks = (maximum() - minimum()) / minor_step_size;
double minor_angle = (angle2() - angle1()) / num_minor_ticks;
double major_angle = (angle2() - angle1()) / num_major_ticks;
int i;
fl_color(FL_WHITE);
fl_line_style(FL_SOLID, 1);
/* minor ticks */
fl_push_matrix();
fl_color(FL_WHITE);
fl_translate(cx, cy);
fl_scale(d, d);
fl_rotate(-angle1());
for (i = 0; i <= num_minor_ticks; i++) {
fl_begin_line();
fl_vertex(0, 0.40);
fl_vertex(0, 0.45);
fl_end_line();
fl_rotate(-minor_angle);
}
fl_pop_matrix();
/* major ticks */
fl_push_matrix();
fl_color(FL_WHITE);
fl_line_style(FL_SOLID, 3);
fl_translate(cx, cy);
fl_scale(d, d);
fl_rotate(-angle1());
for (i = 0; i <= num_major_ticks; i++) {
fl_begin_line();
fl_vertex(0, 0.40);
fl_vertex(0, 0.47);
fl_end_line();
fl_rotate(-major_angle);
}
fl_pop_matrix();
/* tick labels */
char buf[128];
fl_color(FL_WHITE);
for (i = 0; i <= num_major_ticks; i++) {
snprintf(buf, sizeof(buf), "%.0lf", minimum() + i * major_step_size);
double angle = 360.0 + -angle1() - 90 - i * major_angle;
double rad = angle * M_PI/180.0;
int width = 0;
int height = 0;
fl_measure(buf, width, height);
if (width < 1) {
width = 9;
}
if (height < 1) {
height = 16;
}
double radius = d / 3;
double x = cx + radius * cos(rad);
double y = cy - radius * sin(rad);
if (rad < M_PI/2.0 || rad > 3 * M_PI/2.0) {
x = cx + (radius - width/2.0) * cos(rad);
}
x -= width/2.0;
fl_draw(buf, x, y + height/2.0);
}
fl_push_matrix();
fl_translate(cx, cy);
fl_scale(d, d);
fl_color(FL_WHITE);
fl_rotate(-angle);
/* arrow */
fl_begin_polygon();
fl_vertex(-0.02, 0.03);
fl_vertex(-0.02, 0.35);
fl_vertex( 0.00, 0.37);
fl_vertex( 0.02, 0.35);
fl_vertex( 0.02, 0.03);
fl_end_polygon();
/* border */
fl_begin_loop();
fl_circle(0.0, 0.0, 0.48);
fl_end_loop();
fl_pop_matrix();
fl_color(FL_GRAY);
fl_pie(cx - d * 0.05, cy - d * 0.05, d * 0.1, d * 0.1, 0, 360.0);
fl_color(FL_BLACK);
fl_pie(cx - d * 0.025, cy - d * 0.025, d * 0.05, d * 0.05, 0, 360.0);
draw_label();
}