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Implemented correct display of the filter indicator on the waterfall

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This commit is contained in:
Белоусов Олег 2020-12-23 18:00:51 +03:00
parent 608c8c3597
commit 63f6a885d8
17 changed files with 153 additions and 73 deletions
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55
firmware/application/ui/ui_spectrum.cpp
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@ -94,13 +94,16 @@ void FrequencyScale::set_spectrum_sampling_rate(const int new_sampling_rate) {
}
void FrequencyScale::set_channel_filter(
const int pass_frequency,
const int stop_frequency
const int low_frequency,
const int high_frequency,
const int transition
) {
if( (channel_filter_pass_frequency != pass_frequency) ||
(channel_filter_stop_frequency != stop_frequency) ) {
channel_filter_pass_frequency = pass_frequency;
channel_filter_stop_frequency = stop_frequency;
if( (channel_filter_low_frequency != low_frequency) ||
(channel_filter_high_frequency != high_frequency) ||
(channel_filter_transition != transition) ) {
channel_filter_low_frequency = low_frequency;
channel_filter_high_frequency = high_frequency;
channel_filter_transition = transition;
set_dirty();
}
}
@ -184,41 +187,28 @@ void FrequencyScale::draw_frequency_ticks(Painter& painter, const Rect r) {
}
void FrequencyScale::draw_filter_ranges(Painter& painter, const Rect r) {
if( channel_filter_pass_frequency ) {
if( channel_filter_low_frequency != channel_filter_high_frequency ) {
const auto x_center = r.width() / 2;
const auto pass_offset = channel_filter_pass_frequency * spectrum_bins / spectrum_sampling_rate;
const auto stop_offset = channel_filter_stop_frequency * spectrum_bins / spectrum_sampling_rate;
const auto x_low = x_center + channel_filter_low_frequency * spectrum_bins / spectrum_sampling_rate;
const auto x_high = x_center + channel_filter_high_frequency * spectrum_bins / spectrum_sampling_rate;
const auto pass_x_lo = x_center - pass_offset;
const auto pass_x_hi = x_center + pass_offset;
if( channel_filter_transition ) {
const auto trans = channel_filter_transition * spectrum_bins / spectrum_sampling_rate;
if( channel_filter_stop_frequency ) {
const auto stop_x_lo = x_center - stop_offset;
const auto stop_x_hi = x_center + stop_offset;
const Rect r_stop_lo {
r.left() + stop_x_lo, r.bottom() - filter_band_height,
pass_x_lo - stop_x_lo, filter_band_height
const Rect r_all {
r.left() + x_low - trans, r.bottom() - filter_band_height,
x_high - x_low + trans*2, filter_band_height
};
painter.fill_rectangle(
r_stop_lo,
Color::yellow()
);
const Rect r_stop_hi {
r.left() + pass_x_hi, r.bottom() - filter_band_height,
stop_x_hi - pass_x_hi, filter_band_height
};
painter.fill_rectangle(
r_stop_hi,
r_all,
Color::yellow()
);
}
const Rect r_pass {
r.left() + pass_x_lo, r.bottom() - filter_band_height,
pass_x_hi - pass_x_lo, filter_band_height
r.left() + x_low, r.bottom() - filter_band_height,
x_high - x_low, filter_band_height
};
painter.fill_rectangle(
r_pass,
@ -390,8 +380,9 @@ void WaterfallWidget::on_channel_spectrum(const ChannelSpectrum& spectrum) {
sampling_rate = spectrum.sampling_rate;
frequency_scale.set_spectrum_sampling_rate(sampling_rate);
frequency_scale.set_channel_filter(
spectrum.channel_filter_pass_frequency,
spectrum.channel_filter_stop_frequency
spectrum.channel_filter_low_frequency,
spectrum.channel_filter_high_frequency,
spectrum.channel_filter_transition
);
}