X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=vu_common.cpp;h=171f50d26a244059abcb1cab0cbd056565f6dbcc;hb=ffd68fbfb90242069af957f2a28908f0559f8348;hp=87254dae16c764a9381ecadf168dee586df6733a;hpb=b90b0d462921973c88952ca82f8d3dbc53e046df;p=nageru diff --git a/vu_common.cpp b/vu_common.cpp index 87254da..171f50d 100644 --- a/vu_common.cpp +++ b/vu_common.cpp @@ -1,11 +1,9 @@ #include "vu_common.h" -#include -#include - -#include #include #include +#include +#include using namespace std; @@ -32,16 +30,16 @@ double lufs_to_pos(float level_lu, int height, float min_level, float max_level) return y; } -void draw_vu_meter(QPainter &painter, int width, int height, int margin, bool is_on, float min_level, float max_level, bool flip) +void draw_vu_meter(QPainter &painter, int width, int height, int horizontal_margin, double segment_margin, bool is_on, float min_level, float max_level, bool flip, int y_offset) { - painter.fillRect(margin, 0, width - 2 * margin, height, Qt::black); + painter.fillRect(horizontal_margin, y_offset, width - 2 * horizontal_margin, height, Qt::black); for (int y = 0; y < height; ++y) { // Find coverage of “on” rectangles in this pixel row. double coverage = 0.0; for (int level = floor(min_level); level <= ceil(max_level); ++level) { - double min_y = lufs_to_pos(level + 1.0, height, min_level, max_level) + 1.0; - double max_y = lufs_to_pos(level, height, min_level, max_level) - 1.0; + double min_y = lufs_to_pos(level + 1.0, height, min_level, max_level) + segment_margin * 0.5; + double max_y = lufs_to_pos(level, height, min_level, max_level) - segment_margin * 0.5; min_y = std::max(min_y, y); min_y = std::min(min_y, y + 1); max_y = std::max(max_y, y); @@ -70,6 +68,6 @@ void draw_vu_meter(QPainter &painter, int width, int height, int margin, bool is int g = lrintf(255 * pow(on_g * coverage, 1.0 / 2.2)); int b = lrintf(255 * pow(on_b * coverage, 1.0 / 2.2)); int draw_y = flip ? (height - y - 1) : y; - painter.fillRect(margin, draw_y, width - 2 * margin, 1, QColor(r, g, b)); + painter.fillRect(horizontal_margin, draw_y + y_offset, width - 2 * horizontal_margin, 1, QColor(r, g, b)); } }