X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=compression_reduction_meter.cpp;fp=compression_reduction_meter.cpp;h=0000000000000000000000000000000000000000;hb=392f9d1ccb835c05a3874c4bea163788b2c37024;hp=a59a71e7eda992f1a8c0591f38896aa60ca65fe9;hpb=330ca2f0052b06d91004c6ceb73cd57ab95e7fe1;p=nageru

diff --git a/compression_reduction_meter.cpp b/compression_reduction_meter.cpp
deleted file mode 100644
index a59a71e..0000000
--- a/compression_reduction_meter.cpp
+++ /dev/null
@@ -1,100 +0,0 @@
-#include "compression_reduction_meter.h"
-
-#include <QPainter>
-#include <QRect>
-#include "piecewise_interpolator.h"
-#include "vu_common.h"
-
-class QPaintEvent;
-class QResizeEvent;
-
-using namespace std;
-
-namespace {
-
-vector<PiecewiseInterpolator::ControlPoint> control_points = {
-	{ 60.0f, 6.0f },
-	{ 30.0f, 5.0f },
-	{ 18.0f, 4.0f },
-	{ 12.0f, 3.0f },
-	{ 6.0f, 2.0f },
-	{ 3.0f, 1.0f },
-	{ 0.0f, 0.0f }
-};
-PiecewiseInterpolator interpolator(control_points);
-
-}  // namespace
-
-CompressionReductionMeter::CompressionReductionMeter(QWidget *parent)
-	: QWidget(parent)
-{
-}
-
-void CompressionReductionMeter::resizeEvent(QResizeEvent *event)
-{
-	recalculate_pixmaps();
-}
-
-void CompressionReductionMeter::paintEvent(QPaintEvent *event)
-{
-	QPainter painter(this);
-
-	float level_db;
-	{
-		unique_lock<mutex> lock(level_mutex);
-		level_db = this->level_db;
-	}
-
-	int on_pos = lrint(db_to_pos(level_db));
-
-	QRect on_rect(0, 0, width(), on_pos);
-	QRect off_rect(0, on_pos, width(), height());
-
-	painter.drawPixmap(on_rect, on_pixmap, on_rect);
-	painter.drawPixmap(off_rect, off_pixmap, off_rect);
-}
-
-void CompressionReductionMeter::recalculate_pixmaps()
-{
-	constexpr int y_offset = text_box_height / 2;
-	constexpr int text_margin = 5;
-	float margin = 0.5 * (width() - meter_width);
-
-	on_pixmap = QPixmap(width(), height());
-	QPainter on_painter(&on_pixmap);
-	on_painter.fillRect(0, 0, width(), height(), parentWidget()->palette().window());
-	draw_vu_meter(on_painter, width(), meter_height(), margin, 2.0, true, min_level, max_level, /*flip=*/true, y_offset);
-	draw_scale(&on_painter, 0.5 * width() + 0.5 * meter_width + text_margin);
-
-	off_pixmap = QPixmap(width(), height());
-	QPainter off_painter(&off_pixmap);
-	off_painter.fillRect(0, 0, width(), height(), parentWidget()->palette().window());
-	draw_vu_meter(off_painter, width(), meter_height(), margin, 2.0, false, min_level, max_level, /*flip=*/true, y_offset);
-	draw_scale(&off_painter, 0.5 * width() + 0.5 * meter_width + text_margin);
-}
-
-void CompressionReductionMeter::draw_scale(QPainter *painter, int x_pos)
-{
-	QFont font;
-	font.setPointSize(8);
-	painter->setPen(Qt::black);
-	painter->setFont(font);
-	for (size_t i = 0; i < control_points.size(); ++i) {
-		char buf[256];
-		snprintf(buf, 256, "%.0f", control_points[i].db_value);
-		double y = db_to_pos(control_points[i].db_value);
-		painter->drawText(QRect(x_pos, y - text_box_height / 2, text_box_width, text_box_height),
-			Qt::AlignCenter | Qt::AlignVCenter, buf);
-	}
-}
-
-double CompressionReductionMeter::db_to_pos(double level_db) const
-{
-	float value = interpolator.db_to_fraction(level_db);
-	return height() - lufs_to_pos(value, meter_height(), min_level, max_level) - text_box_height / 2;
-}
-
-int CompressionReductionMeter::meter_height() const
-{
-	return height() - text_box_height;
-}