ardour/livetrax
13
0
Fork 0
Code

Show range -60 .. +10 dBFS in acomp's inline display

Browse Source
This commit is contained in:
Robin Gareus 2017-07-13 23:05:49 +02:00
parent 85106d81a0
commit e65ff3fb4a
1 changed files with 34 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

55
libs/plugins/a-comp.lv2/a-comp.c
View File

@ -615,9 +615,9 @@ render_inline (LV2_Handle instance, uint32_t w, uint32_t max_h)
cairo_set_dash(cr, dash2, 2, 2);
cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 0.5);
for (uint32_t d = 1; d < 6; ++d) {
const float x = -.5 + floorf (w * (d * 10.f / 60.f));
const float y = -.5 + floorf (h * (d * 10.f / 60.f));
for (uint32_t d = 1; d < 7; ++d) {
const float x = -.5 + floorf (w * (d * 10.f / 70.f));
const float y = -.5 + floorf (h * (d * 10.f / 70.f));
cairo_move_to (cr, x, 0);
cairo_line_to (cr, x, h);
@ -627,18 +627,31 @@ render_inline (LV2_Handle instance, uint32_t w, uint32_t max_h)
cairo_line_to (cr, w, y);
cairo_stroke (cr);
}
cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 1.0);
cairo_set_dash(cr, dash1, 2, 2);
if (self->v_thresdb < 0) {
cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 1.0);
const float y = -.5 + floorf (h * (makeup_thres / -60.f));
cairo_set_dash(cr, dash1, 2, 2);
const float y = -.5 + floorf (h * ((makeup_thres - 10.f) / -70.f));
cairo_move_to (cr, 0, y);
cairo_line_to (cr, w, y);
cairo_stroke (cr);
cairo_move_to (cr, 0, h);
cairo_line_to (cr, w, 0);
}
// diagonal unity
cairo_move_to (cr, 0, h);
cairo_line_to (cr, w, 0);
cairo_stroke (cr);
cairo_restore (cr);
{ // 0, 0
cairo_set_source_rgba (cr, 0.5, 0.5, 0.5, 0.5);
const float x = -.5 + floorf (w * (60.f / 70.f));
const float y = -.5 + floorf (h * (10.f / 70.f));
cairo_move_to (cr, x, 0);
cairo_line_to (cr, x, h);
cairo_stroke (cr);
cairo_move_to (cr, 0, y);
cairo_line_to (cr, w, y);
cairo_stroke (cr);
}
cairo_restore (cr);
// draw curve
@ -646,10 +659,10 @@ render_inline (LV2_Handle instance, uint32_t w, uint32_t max_h)
cairo_move_to (cr, 0, h);
for (uint32_t x = 0; x < w; ++x) {
// plot -60..0 dB
const float x_db = 60.f * (-1.f + x / (float)w);
const float y_db = comp_curve (self, x_db);
const float y = h * (y_db / -60.f);
// plot -60..+10 dB
const float x_db = 70.f * (-1.f + x / (float)w) + 10.f;
const float y_db = comp_curve (self, x_db) - 10.f;
const float y = h * (y_db / -70.f);
cairo_line_to (cr, x, y);
}
cairo_stroke_preserve (cr);
@ -659,23 +672,23 @@ render_inline (LV2_Handle instance, uint32_t w, uint32_t max_h)
cairo_clip (cr);
// draw signal level & reduction/gradient
const float top = comp_curve (self, 0);
const float top = comp_curve (self, 0) - 10.f;
cairo_pattern_t* pat = cairo_pattern_create_linear (0.0, 0.0, 0.0, h);
if (top > makeup_thres) {
if (top > makeup_thres - 10.f) {
cairo_pattern_add_color_stop_rgba (pat, 0.0, 0.8, 0.1, 0.1, 0.5);
cairo_pattern_add_color_stop_rgba (pat, top / -60.f, 0.8, 0.1, 0.1, 0.5);
cairo_pattern_add_color_stop_rgba (pat, top / -70.f, 0.8, 0.1, 0.1, 0.5);
}
if (self->v_knee > 0) {
cairo_pattern_add_color_stop_rgba (pat, (makeup_thres / -60.f), 0.7, 0.7, 0.2, 0.5);
cairo_pattern_add_color_stop_rgba (pat, ((makeup_thres - self->v_knee) / -60.f), 0.5, 0.5, 0.5, 0.5);
cairo_pattern_add_color_stop_rgba (pat, ((makeup_thres -10.f) / -70.f), 0.7, 0.7, 0.2, 0.5);
cairo_pattern_add_color_stop_rgba (pat, ((makeup_thres - self->v_knee - 10.f) / -70.f), 0.5, 0.5, 0.5, 0.5);
} else {
cairo_pattern_add_color_stop_rgba (pat, (makeup_thres / -60.f), 0.7, 0.7, 0.2, 0.5);
cairo_pattern_add_color_stop_rgba (pat, ((makeup_thres - .01) / -60.f), 0.5, 0.5, 0.5, 0.5);
cairo_pattern_add_color_stop_rgba (pat, ((makeup_thres - 10.f)/ -70.f), 0.7, 0.7, 0.2, 0.5);
cairo_pattern_add_color_stop_rgba (pat, ((makeup_thres - 10.01f) / -70.f), 0.5, 0.5, 0.5, 0.5);
}
cairo_pattern_add_color_stop_rgba (pat, 1.0, 0.5, 0.5, 0.5, 0.5);
// maybe cut off at x-position?
const float x = w * (self->v_lvl_in + 60) / 60.f;
const float x = w * (self->v_lvl_in + 60) / 70.f;
const float y = x + h*self->v_makeup;
cairo_rectangle (cr, 0, h - y, x, y);
if (self->v_ratio > 1.0) {