ardour/ardour
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prepare font-styling meter labels

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decrease size and weight of midi-velocity - make '127' fit,...
This commit is contained in:
Robin Gareus 2013-06-08 11:51:17 +02:00
parent 106364bcfc
commit 4f0be474ef
1 changed files with 36 additions and 9 deletions
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45
gtk2_ardour/gain_meter.cc
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@ -25,6 +25,7 @@
#include "ardour/dB.h"
#include "ardour/utils.h"
#include <pangomm.h>
#include <gtkmm/style.h>
#include <gdkmm/color.h>
#include <gtkmm2ext/utils.h>
@ -860,7 +861,7 @@ GainMeter::GainMeter (Session* s, int fader_length)
gain_display_box.pack_start (gain_display, true, true);
meter_metric_area.set_name ("AudioTrackMetrics");
set_size_request_to_display_given_text (meter_metric_area, "-127", 0, 0);
set_size_request_to_display_given_text (meter_metric_area, "-127", 1, 0);
gain_automation_style_button.set_name ("mixer strip button");
gain_automation_state_button.set_name ("mixer strip button");
@ -952,7 +953,32 @@ GainMeter::render_metrics (Gtk::Widget& w, vector<DataType> types)
cairo_surface_t* surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24, width, height);
cairo_t* cr = cairo_create (surface);
PangoLayout* layout = gtk_widget_create_pango_layout (w.gobj(), "");
Glib::RefPtr<Pango::Layout> layout = Pango::Layout::create(w.get_pango_context());
Pango::AttrList audio_font_attributes;
Pango::AttrList midi_font_attributes;
Pango::AttrFontDesc* font_attr;
Pango::FontDescription font;
font = Pango::FontDescription (""); // use defaults
//font = get_font_for_style("gain-fader");
//font = w.get_style()->get_font();
font.set_weight (Pango::WEIGHT_NORMAL);
font.set_size (10.0 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
audio_font_attributes.change (*font_attr);
delete font_attr;
font.set_weight (Pango::WEIGHT_ULTRALIGHT);
font.set_stretch (Pango::STRETCH_ULTRA_CONDENSED);
font.set_size (7.5 * PANGO_SCALE);
font_attr = new Pango::AttrFontDesc (Pango::Attribute::create_attr_font_desc (font));
midi_font_attributes.change (*font_attr);
delete font_attr;
cairo_move_to (cr, 0, 0);
cairo_rectangle (cr, 0, 0, width, height);
@ -988,6 +1014,7 @@ GainMeter::render_metrics (Gtk::Widget& w, vector<DataType> types)
switch (*i) {
case DataType::AUDIO:
layout->set_attributes (audio_font_attributes);
points.push_back (-50);
points.push_back (-40);
points.push_back (-30);
@ -999,6 +1026,7 @@ GainMeter::render_metrics (Gtk::Widget& w, vector<DataType> types)
break;
case DataType::MIDI:
layout->set_attributes (midi_font_attributes);
points.push_back (0);
if (types.size() == 1) {
points.push_back (32);
@ -1030,23 +1058,23 @@ GainMeter::render_metrics (Gtk::Widget& w, vector<DataType> types)
cairo_set_line_width (cr, 1.0);
cairo_move_to (cr, 0, pos);
cairo_line_to (cr, 4, pos);
cairo_line_to (cr, 3.5, pos);
cairo_stroke (cr);
snprintf (buf, sizeof (buf), "%d", abs (*j));
pango_layout_set_text (layout, buf, strlen (buf));
snprintf (buf, sizeof (buf), "%2d", abs (*j));
layout->set_text(buf);
/* we want logical extents, not ink extents here */
int tw, th;
pango_layout_get_pixel_size (layout, &tw, &th);
layout->get_pixel_size(tw, th);
int p = pos - (th / 2);
p = min (p, height - th);
p = max (p, 0);
cairo_move_to (cr, 6, p);
pango_cairo_show_layout (cr, layout);
cairo_move_to (cr, 5, p);
pango_cairo_show_layout (cr, layout->gobj());
}
}
@ -1061,7 +1089,6 @@ GainMeter::render_metrics (Gtk::Widget& w, vector<DataType> types)
cairo_destroy (cr);
cairo_surface_destroy (surface);
g_object_unref (layout);
return pattern;
}