ardour/livetrax
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prepare meter-widget for dual background color

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This commit is contained in:
Robin Gareus 2013-07-06 16:30:30 +02:00
parent b84e1a50a3
commit 03a510c3d7
3 changed files with 75 additions and 18 deletions
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1
gtk2_ardour/level_meter.cc
View File

@ -254,6 +254,7 @@ LevelMeter::setup_meters (int len, int initial_width, int thin_width)
c[5], c[6], c[7], c[8], c[9],
ARDOUR_UI::config()->canvasvar_MeterBackgroundBot.get(),
ARDOUR_UI::config()->canvasvar_MeterBackgroundTop.get(),
0x991122ff, 0x551111ff,
stp[0], stp[1], stp[2], stp[3]
);
meters[n].width = width;

79
libs/gtkmm2ext/fastmeter.cc
View File

@ -44,7 +44,9 @@ FastMeter::PatternBgMap FastMeter::vb_pattern_cache;
FastMeter::FastMeter (long hold, unsigned long dimen, Orientation o, int len,
int clr0, int clr1, int clr2, int clr3,
int clr4, int clr5, int clr6, int clr7,
int clr8, int clr9, int bgc0, int bgc1,
int clr8, int clr9,
int bgc0, int bgc1,
int bgh0, int bgh1,
float stp0, float stp1,
float stp2, float stp3
)
@ -58,6 +60,8 @@ FastMeter::FastMeter (long hold, unsigned long dimen, Orientation o, int len,
last_peak_rect.width = 0;
last_peak_rect.height = 0;
highlight = false;
_clr[0] = clr0;
_clr[1] = clr1;
_clr[2] = clr2;
@ -72,6 +76,9 @@ FastMeter::FastMeter (long hold, unsigned long dimen, Orientation o, int len,
_bgc[0] = bgc0;
_bgc[1] = bgc1;
_bgh[0] = bgh0;
_bgh[1] = bgh1;
_stp[0] = stp0;
_stp[1] = stp1;
_stp[2] = stp2;
@ -85,8 +92,8 @@ FastMeter::FastMeter (long hold, unsigned long dimen, Orientation o, int len,
if (!len) {
len = 250;
}
fgpattern = request_vertical_meter(dimen, len, _clr, _stp);
bgpattern = request_vertical_background (dimen, len, _bgc);
fgpattern = request_vertical_meter(dimen, len, _clr, _stp, true);
bgpattern = request_vertical_background (dimen, len, _bgc, false);
pixheight = len;
pixwidth = dimen;
@ -95,6 +102,8 @@ FastMeter::FastMeter (long hold, unsigned long dimen, Orientation o, int len,
request_width = pixrect.width + 2;
request_height= pixrect.height + 2;
queue_draw ();
}
FastMeter::~FastMeter ()
@ -103,7 +112,7 @@ FastMeter::~FastMeter ()
Cairo::RefPtr<Cairo::Pattern>
FastMeter::generate_meter_pattern (
int width, int height, int *clr, float *stp)
int width, int height, int *clr, float *stp, bool shade)
{
guint8 r,g,b,a;
double knee;
@ -164,7 +173,7 @@ FastMeter::generate_meter_pattern (
cairo_pattern_add_color_stop_rgb (pat, 1.0,
r/255.0, g/255.0, b/255.0);
if (1) { // TODO Config->get_meter_shade()
if (shade) {
cairo_pattern_t* shade_pattern = cairo_pattern_create_linear (0.0, 0.0, width, 0.0);
cairo_pattern_add_color_stop_rgba (shade_pattern, 0, 1.0, 1.0, 1.0, 0.2);
cairo_pattern_add_color_stop_rgba (shade_pattern, 1, 0.0, 0.0, 0.0, 0.3);
@ -197,11 +206,11 @@ FastMeter::generate_meter_pattern (
Cairo::RefPtr<Cairo::Pattern>
FastMeter::generate_meter_background (
int width, int height, int *clr)
int width, int height, int *clr, bool shade)
{
guint8 r0,g0,b0,r1,g1,b1,a;
cairo_pattern_t* pat = cairo_pattern_create_linear (0.0, 0.0, width, height);
cairo_pattern_t* pat = cairo_pattern_create_linear (0.0, 0.0, 0.0, height);
UINT_TO_RGBA (clr[0], &r0, &g0, &b0, &a);
UINT_TO_RGBA (clr[1], &r1, &g1, &b1, &a);
@ -212,6 +221,32 @@ FastMeter::generate_meter_background (
cairo_pattern_add_color_stop_rgb (pat, 1.0,
r0/255.0, g0/255.0, b0/255.0);
if (shade) {
cairo_pattern_t* shade_pattern = cairo_pattern_create_linear (0.0, 0.0, width, 0.0);
cairo_pattern_add_color_stop_rgba (shade_pattern, 0.0, 1.0, 1.0, 1.0, 0.15);
cairo_pattern_add_color_stop_rgba (shade_pattern, 0.6, 0.0, 0.0, 0.0, 0.10);
cairo_pattern_add_color_stop_rgba (shade_pattern, 1.0, 1.0, 1.0, 1.0, 0.20);
cairo_surface_t* surface;
cairo_t* tc = 0;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
tc = cairo_create (surface);
cairo_set_source (tc, pat);
cairo_rectangle (tc, 0, 0, width, height);
cairo_fill (tc);
cairo_set_source (tc, shade_pattern);
cairo_rectangle (tc, 0, 0, width, height);
cairo_fill (tc);
cairo_pattern_destroy (pat);
cairo_pattern_destroy (shade_pattern);
pat = cairo_pattern_create_for_surface (surface);
cairo_destroy (tc);
cairo_surface_destroy (surface);
}
Cairo::RefPtr<Cairo::Pattern> p (new Cairo::Pattern (pat, false));
return p;
@ -219,7 +254,7 @@ FastMeter::generate_meter_background (
Cairo::RefPtr<Cairo::Pattern>
FastMeter::request_vertical_meter(
int width, int height, int *clr, float *stp)
int width, int height, int *clr, float *stp, bool shade)
{
if (height < min_pattern_metric_size)
height = min_pattern_metric_size;
@ -239,7 +274,7 @@ FastMeter::request_vertical_meter(
// TODO flush pattern cache if it gets too large
Cairo::RefPtr<Cairo::Pattern> p = generate_meter_pattern (
width, height, clr, stp);
width, height, clr, stp, shade);
vm_pattern_cache[key] = p;
return p;
@ -247,7 +282,7 @@ FastMeter::request_vertical_meter(
Cairo::RefPtr<Cairo::Pattern>
FastMeter::request_vertical_background(
int width, int height, int *bgc)
int width, int height, int *bgc, bool shade)
{
if (height < min_pattern_metric_size)
height = min_pattern_metric_size;
@ -262,7 +297,7 @@ FastMeter::request_vertical_background(
// TODO flush pattern cache if it gets too large
Cairo::RefPtr<Cairo::Pattern> p = generate_meter_background (
width, height, bgc);
width, height, bgc, shade);
vb_pattern_cache[key] = p;
return p;
@ -310,8 +345,8 @@ FastMeter::on_size_allocate (Gtk::Allocation &alloc)
}
if (pixheight != h) {
fgpattern = request_vertical_meter (request_width, h, _clr, _stp);
bgpattern = request_vertical_background (request_width, h, _bgc);
fgpattern = request_vertical_meter (request_width, h, _clr, _stp, true);
bgpattern = request_vertical_background (request_width, h, highlight ? _bgh : _bgc, highlight);
pixheight = h - 2;
pixwidth = request_width - 2;
}
@ -339,7 +374,9 @@ FastMeter::vertical_expose (GdkEventExpose* ev)
if (resized) {
cairo_set_source_rgb (cr, 0, 0, 0); // black
rounded_rectangle (cr, 0, 0, pixrect.width + 2, pixheight + 2, 2);
cairo_fill (cr);
cairo_stroke (cr);
//cairo_fill (cr);
//resized = false;
}
cairo_rectangle (cr, ev->area.x, ev->area.y, ev->area.width, ev->area.height);
@ -489,11 +526,25 @@ FastMeter::queue_vertical_redraw (const Glib::RefPtr<Gdk::Window>& win, float ol
}
}
void
FastMeter::set_highlight (bool onoff)
{
if (highlight == onoff) {
return;
}
highlight = onoff;
bgpattern = request_vertical_background (request_width, pixheight, highlight ? _bgh : _bgc, highlight);
resized = true;
queue_draw ();
}
void
FastMeter::clear ()
{
current_level = 0;
current_peak = 0;
hold_state = 0;
set_highlight(false);
resized = true;
queue_draw ();
}

13
libs/gtkmm2ext/gtkmm2ext/fastmeter.h
View File

@ -43,6 +43,7 @@ class FastMeter : public Gtk::DrawingArea {
int clr6=0xffff00ff, int clr7=0xffff00ff,
int clr8=0xff0000ff, int clr9=0xff0000ff,
int bgc0=0x333333ff, int bgc1=0x444444ff,
int bgh0=0x991122ff, int bgh1=0x551111ff,
float stp0 = 55.0, // log_meter(-18);
float stp1 = 77.5, // log_meter(-9);
float stp2 = 92.5, // log_meter(-3); // 95.0, // log_meter(-2);
@ -59,6 +60,8 @@ class FastMeter : public Gtk::DrawingArea {
long hold_count() { return hold_cnt; }
void set_hold_count (long);
void set_highlight (bool);
bool get_highlight () { return highlight; }
protected:
bool on_expose_event (GdkEventExpose*);
@ -75,6 +78,7 @@ private:
float _stp[4];
int _clr[10];
int _bgc[2];
int _bgh[2];
Orientation orientation;
GdkRectangle pixrect;
@ -87,19 +91,20 @@ private:
float current_peak;
float current_user_level;
bool resized;
bool highlight;
bool vertical_expose (GdkEventExpose*);
void queue_vertical_redraw (const Glib::RefPtr<Gdk::Window>&, float);
static Cairo::RefPtr<Cairo::Pattern> generate_meter_pattern (
int w, int h, int *clr, float *stp);
int w, int h, int *clr, float *stp, bool shade);
static Cairo::RefPtr<Cairo::Pattern> request_vertical_meter (
int w, int h, int *clr, float *stp);
int w, int h, int *clr, float *stp, bool shade);
static Cairo::RefPtr<Cairo::Pattern> generate_meter_background (
int w, int h, int *bgc);
int w, int h, int *bgc, bool shade);
static Cairo::RefPtr<Cairo::Pattern> request_vertical_background (
int w, int h, int *bgc);
int w, int h, int *bgc, bool shade);
struct Pattern10MapKey {
Pattern10MapKey (