void ui_waveform_render(){
rect_t r;
rect_origin(&layout.waveform.rect, &r);
SDL_FillRect(waveform_surface, &r, SDL_MapRGB(waveform_surface->format, 30, 30, 30));
#define MAX(a, b) ((a > b) ? a : b)
int h;
SDL_Color c;
if(skip < 1) skip = 1;
for(int j = 0; j < N_WF_BINS; j++){
float * history = waveform_bins[j].history;
int hptr = waveform_bins[j].hptr;
hptr -= hptr % skip;
c = waveform_bins[j].color;
for(int i = 0; i < layout.waveform.w; i++)
{
float x = 0.;
for(int k = 0; k < skip; k++){
hptr--;
if(hptr < 0)
hptr = WAVEFORM_HISTORY_SIZE;
x = MAX(x, history[hptr]);
}
h = x * layout.waveform.h;
vlineRGBA(waveform_surface, layout.waveform.w - i, (layout.waveform.h + h) / 2, (layout.waveform.h - h) / 2, c.r, c.g, c.b, 255);
}
}
for(int i = 0; i < layout.waveform.w; i++){
char l = 0;
for(int k = 0; k < skip; k++){
l = l | beat_lines[i * skip + k];
}
if(l & 1)
vlineRGBA(waveform_surface, layout.waveform.w - i, layout.waveform.y, layout.waveform.h, 128, 255, 0, 200);
if(l & 2)
vlineRGBA(waveform_surface, layout.waveform.w - i, layout.waveform.y, layout.waveform.h, 255, 128, 0, 200);
if(l & 4)
vlineRGBA(waveform_surface, layout.waveform.w - i, layout.waveform.y, layout.waveform.h, 255, 0, 0, 200);
}
}
// Update the bed shape from the dialog fields.
void BedShapePanel::update_shape()
{
auto page_idx = m_shape_options_book->GetSelection();
if (page_idx == SHAPE_RECTANGULAR) {
Vec2d rect_size(Vec2d::Zero());
Vec2d rect_origin(Vec2d::Zero());
try{
rect_size = boost::any_cast<Vec2d>(m_optgroups[SHAPE_RECTANGULAR]->get_value("rect_size")); }
catch (const std::exception & /* e */) {
return;
}
try {
rect_origin = boost::any_cast<Vec2d>(m_optgroups[SHAPE_RECTANGULAR]->get_value("rect_origin"));
}
catch (const std::exception & /* e */) {
return;
}
auto x = rect_size(0);
auto y = rect_size(1);
// empty strings or '-' or other things
if (x == 0 || y == 0) return;
double x0 = 0.0;
double y0 = 0.0;
double x1 = x;
double y1 = y;
auto dx = rect_origin(0);
auto dy = rect_origin(1);
x0 -= dx;
x1 -= dx;
y0 -= dy;
y1 -= dy;
m_canvas->m_bed_shape = { Vec2d(x0, y0),
Vec2d(x1, y0),
Vec2d(x1, y1),
Vec2d(x0, y1)};
}
else if(page_idx == SHAPE_CIRCULAR) {
double diameter;
try{
diameter = boost::any_cast<double>(m_optgroups[SHAPE_CIRCULAR]->get_value("diameter"));
}
catch (const std::exception & /* e */) {
return;
}
if (diameter == 0.0) return ;
auto r = diameter / 2;
auto twopi = 2 * PI;
auto edges = 60;
std::vector<Vec2d> points;
for (size_t i = 1; i <= 60; ++i) {
auto angle = i * twopi / edges;
points.push_back(Vec2d(r*cos(angle), r*sin(angle)));
}
m_canvas->m_bed_shape = points;
}
// $self->{on_change}->();
update_preview();
}
