void
SpectrumView::draw ( void )
{
//Clear Widget
Fl_Box::draw();
int W = w() - padding_right;
int H = h() - padding_bottom;
if ( !_bands ) {
analyze_data( W );
}
//Draw grid
fl_color(fl_color_add_alpha(fl_rgb_color( 100,100,100), 50 ));
draw_semilog();
fl_push_clip( x(),y(),W,H);
fl_color(fl_color_add_alpha( selection_color(), 20 ));
fl_push_matrix();
fl_translate( x(), y() + 2 );
fl_scale( W,H- 2 );
fl_begin_polygon();
fl_vertex(0.0,1.0);
draw_curve();
fl_vertex(1.0,1.0);
fl_end_polygon();
fl_color(fl_color_add_alpha( selection_color(), 100 ));
fl_begin_line();
fl_line_style(FL_SOLID,2);
/* fl_vertex(0.0,1.0); */
draw_curve();
/* fl_vertex(1.0,1.0); */
fl_end_line();
fl_pop_matrix();
fl_line_style(FL_SOLID,0);
fl_pop_clip();
}
void Drawing::draw() {
draw_box();
fl_push_matrix();
fl_translate(w()/2, h()/2);
fl_scale(w()/2, h()/2);
fl_color(FL_BLACK);
for (int i = 0; i < 20; i++) {
for (int j = i+1; j < 20; j++) {
fl_vertex(cosf(M_PI*i/10+.1), sinf(M_PI*i/10+.1));
fl_vertex(cosf(M_PI*j/10+.1), sinf(M_PI*j/10+.1));
fl_stroke();
}
}
fl_pop_matrix();
}
void
Fl_DialX::draw ( void )
{
int X,Y,S;
{
int ox, oy, ww, hh, side;
ox = x();
oy = y();
ww = w();
hh = h();
if (ww > hh)
{
side = hh;
ox = ox + (ww - side) / 2;
}
else
{
side = ww;
oy = oy + (hh - side) / 2;
}
side = w() > h() ? hh : ww;
X = ox;
Y = oy;
S = side;
}
draw_box();
draw_label();
double angle = ( angle2() - angle1() ) * ( value() - minimum()) / ( maximum() - minimum() ) + angle1();
fl_draw_box( box(), X, Y, S, S, color() );
/* shrink a bit */
int OX = x();
int OY = y();
X += S / 8;
Y += S / 8;
int OS = S;
S -= S / 4;
fl_line_style( FL_SOLID, S / 12 );
/* background arc */
fl_color( fl_darker( color() ) );
fl_arc( X, Y, S, S, 270 - angle1(), 270 - angle2() );
/* foreground arc */
fl_color( selection_color() );
fl_arc( X, Y, S, S, 270 - angle1(), 270 - angle );
fl_line_style( FL_SOLID, 0 );
if ( active_r() )
{
int W = OS;
int H = OS;
fl_push_matrix();
fl_translate(OX+W/2, OY+H/2);
fl_scale(W, H);
fl_rotate(310+angle);
fl_color( fl_color_add_alpha( FL_WHITE, 127 ));
fl_begin_polygon(); fl_circle(-0.26, 0.26, 0.12); fl_end_polygon();
fl_color( FL_WHITE );
fl_begin_polygon(); fl_circle(-0.26, 0.26, 0.06); fl_end_polygon();
fl_pop_matrix();
}
fl_color( fl_contrast( labelcolor(), color() ) );
if ( Fl::belowmouse() == this )
{
char s[10];
fl_font( FL_HELVETICA, 10 );
snprintf( s, sizeof( s ), "%.1f", value() );
fl_color( FL_FOREGROUND_COLOR );
fl_draw( s, X, Y, S, S, FL_ALIGN_CENTER );
}
}
FL_EXPORT_C(void,flc_scale)(double x){
fl_scale(x);
}
FL_EXPORT_C(void,flc_scale_with_y)(double x,double y){
fl_scale(x,y);
}
void
Panner::draw ( void )
{
draw_box();
// draw_box( FL_FLAT_BOX, x(), y(), w(), h(), FL_BLACK );
draw_label();
if ( _bypassed )
{
fl_color( 0 );
fl_font( FL_HELVETICA, 12 );
fl_draw( "(bypass)", x(), y(), w(), h(), FL_ALIGN_CENTER );
return;
}
int tw, th, tx, ty;
bbox( tx, ty, tw, th );
fl_push_clip( tx, ty, tw, th );
fl_color( FL_RED );
const int b = 10;
tx += b;
ty += b;
tw -= b * 2;
th -= b * 2;
/* draw perimeter */
{
Fl_Color c1, c2;
int iter;
if ( Fl::belowmouse() == this )
{
iter = 12;
c1 = fl_darker( FL_RED );
c2 = FL_GRAY;
}
else
{
iter = 6;
c1 = FL_GRAY;
c2 = FL_BLACK;
}
Fl_Color c = c1;
for ( int i = iter; i--; )
{
fl_color( c );
fl_arc( tx + (i * (tw / iter)) / 2, ty + (i * (th / iter)) / 2, tw - (i * (tw / iter)), th - (i * ( th / iter )), 0, 360 );
c = fl_color_average( c1, c2, (float)i / iter);
}
}
/* fl_color( FL_WHITE ); */
/* fl_arc( tx, ty, tw, th, 0, 360 ); */
if ( _configs[ _outs ][0] >= 0 )
{
for ( int i = _outs; i--; )
{
int a = _configs[ _outs ][ i ];
Point p( 1.2f, (float)a );
float px, py;
p.axes( &px, &py );
fl_push_matrix();
const int bx = tx + ((tw / 2) * px + (tw / 2));
const int by = ty + ((th / 2) * py + (th / 2));
fl_translate( bx, by );
fl_scale( 5, 5 );
a = 90 - a;
fl_rotate( a );
draw_speaker( FL_WHITE );
fl_rotate( -a );
fl_pop_matrix();
}
}
/* ensure that points are drawn *inside* the circle */
for ( int i = _ins; i--; )
{
Point *p = &_points[ i ];
Fl_Color c = (Fl_Color)(10 + i);
int px, py, pw, ph;
point_bbox( p, &px, &py, &pw, &ph );
/* draw point */
if ( p != drag )
fl_color( c );
else
fl_color( FL_WHITE );
fl_pie( px, py, pw, ph, 0, 360 );
/* draw echo */
fl_color( c = fl_darker( c ) );
fl_arc( px - 5, py - 5, pw + 10, ph + 10, 0, 360 );
if ( Fl::belowmouse() == this )
{
fl_color( c = fl_darker( c ) );
fl_arc( px - 10, py - 10, pw + 20, ph + 20, 0, 360 );
fl_color( c = fl_darker( c ) );
fl_arc( px - 30, py - 30, pw + 60, ph + 60, 0, 360 );
}
/* draw number */
char pat[4];
snprintf( pat, 4, "%d", i + 1 );
fl_color( FL_BLACK );
fl_font( FL_HELVETICA, ph + 2 );
fl_draw( pat, px + 1, py + 1, pw - 1, ph - 1, FL_ALIGN_CENTER );
/* draw line */
/* fl_color( FL_WHITE ); */
/* fl_line( bx + pw() / 2, by + ph() / 2, tx + (tw / 2), ty + (th / 2) ); */
}
fl_pop_clip();
}
void Fl_Dial::draw()
{
int X = 0; int Y = 0; int W = w(); int H = h();
if (!(type() == FILL && box() == FL_OVAL_BOX))
{
if (damage()&FL_DAMAGE_ALL) draw_box();
box()->inset(X,Y,W,H);
}
Fl_Color fillcolor = selection_color();
Fl_Color linecolor = highlight_color();
if (!active_r())
{
fillcolor = fl_inactive(fillcolor);
linecolor = fl_inactive(linecolor);
}
double angle = (a2-a1)*(value()-minimum())/(maximum()-minimum()) + a1;
if (type() == FILL)
{
if (damage()&FL_DAMAGE_EXPOSE && box() == FL_OVAL_BOX)
{
fl_push_clip(0, 0, w(), h());
parent()->draw_group_box();
fl_pop_clip();
}
fl_color(color());
fl_pie(X, Y, W-1, H-1, 270-a1, angle > a1 ? 360+270-angle : 270-360-angle);
fl_color(fillcolor);
fl_pie(X, Y, W-1, H-1, 270-angle, 270-a1);
if (box() == FL_OVAL_BOX)
{
fl_ellipse(X, Y, W-1, H-1);
fl_color(linecolor); fl_stroke();
}
}
else
{
if (!(damage()&FL_DAMAGE_ALL))
{
fl_ellipse(X+1, Y+1, W-2, H-2);
fl_color(color()); fl_fill();
}
fl_push_matrix();
fl_translate(X+W/2-.5, Y+H/2-.5);
fl_scale(W-1, H-1);
fl_rotate(45-angle);
if (type() == LINE)
{
fl_vertex(0.0, 0.0);
fl_vertex(-0.04, 0.0);
fl_vertex(-0.25, 0.25);
fl_vertex(0.0, 0.04);
}
else
{
fl_circle(-0.20, 0.20, 0.07);
}
fl_color(fillcolor); fl_fill_stroke(linecolor);
fl_pop_matrix();
}
if (focused())
{
fl_ellipse(X+2, Y+2, W-5, H-5);
fl_color(linecolor);
fl_line_style(FL_DASH);
fl_stroke();
fl_line_style(0);
}
}
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();
}
