X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=lrameter.h;h=7a832dfcd2cc7d4336b239a5b6ffafa49c48b2e0;hb=9e47a2f661b9d292598ef0277e507458e3dad62f;hp=50497be5fa23f753e7a57b02849e11f7bb894685;hpb=4a02aa24a41bd7b1a5fad276914af1c7c3d8ee7f;p=nageru diff --git a/lrameter.h b/lrameter.h index 50497be..7a832df 100644 --- a/lrameter.h +++ b/lrameter.h @@ -1,14 +1,18 @@ -// TODO: This isn't really an LRA meter right now (it ignores the range). - #ifndef LRAMETER_H #define LRAMETER_H +#include +#include +#include #include -#include -#include - #include +#include "vu_common.h" + +class QObject; +class QPaintEvent; +class QResizeEvent; + class LRAMeter : public QWidget { Q_OBJECT @@ -24,13 +28,40 @@ public: QMetaObject::invokeMethod(this, "update", Qt::AutoConnection); } + double lufs_to_pos(float level_lu, int height) + { + return ::lufs_to_pos(level_lu, height, min_level, max_level); + } + + void set_min_level(float min_level) + { + this->min_level = min_level; + recalculate_pixmaps(); + } + + void set_max_level(float max_level) + { + this->max_level = max_level; + recalculate_pixmaps(); + } + + void set_ref_level(float ref_level_lufs) + { + this->ref_level_lufs = ref_level_lufs; + } + private: + void resizeEvent(QResizeEvent *event) override; void paintEvent(QPaintEvent *event) override; + void recalculate_pixmaps(); std::mutex level_mutex; float level_lufs = -HUGE_VAL; float range_low_lufs = -HUGE_VAL; float range_high_lufs = -HUGE_VAL; + float min_level = -18.0f, max_level = 9.0f, ref_level_lufs = -23.0f; + + QPixmap on_pixmap, off_pixmap; }; #endif