diff options
Diffstat (limited to 'mate-volume-control/src/mvc-helpers.c')
| -rw-r--r-- | mate-volume-control/src/mvc-helpers.c | 240 |
1 files changed, 212 insertions, 28 deletions
diff --git a/mate-volume-control/src/mvc-helpers.c b/mate-volume-control/src/mvc-helpers.c index 2861bbd..b82d6c8 100644 --- a/mate-volume-control/src/mvc-helpers.c +++ b/mate-volume-control/src/mvc-helpers.c @@ -18,8 +18,11 @@ * */ +#include "config.h" + #include <glib.h> #include <glib/gi18n.h> +#include <gtk/gtk.h> #include <libmatemixer/matemixer.h> @@ -30,7 +33,7 @@ #include "mvc-helpers.h" #ifdef HAVE_PULSEAUDIO -static pa_position_t +static pa_channel_position_t position_to_pulse (MateMixerChannelPosition position) { switch (position) { @@ -101,55 +104,236 @@ mvc_channel_map_to_pretty_string (MateMixerStream *stream) { g_return_val_if_fail (MATE_MIXER_IS_STREAM (stream), NULL); +#define HAS_POSITION(p) (mate_mixer_stream_has_channel_position (stream, (p))) + /* Modeled after PulseAudio 5.0, probably could be extended with other combinations */ switch (mate_mixer_stream_get_num_channels (stream)) { case 1: - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_MONO)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_MONO)) return _("Mono"); break; case 2: - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT)) return _("Stereo"); break; case 4: - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT)) return _("Surround 4.0"); break; case 5: - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT)) - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_LFE)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_LFE)) return _("Surround 4.1"); - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_CENTER)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_CENTER)) return _("Surround 5.0"); break; case 6: - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_CENTER) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_LFE)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && + HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_CENTER) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT) && + HAS_POSITION (MATE_MIXER_CHANNEL_LFE)) return _("Surround 5.1"); break; case 8: - if (mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_RIGHT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_FRONT_CENTER) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_BACK_RIGHT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_SIDE_LEFT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_SIDE_RIGHT) && - mate_mixer_stream_has_position (stream, MATE_MIXER_CHANNEL_LFE)) + if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT) && + HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_CENTER) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_BACK_RIGHT) && + HAS_POSITION (MATE_MIXER_CHANNEL_SIDE_LEFT) && + HAS_POSITION (MATE_MIXER_CHANNEL_SIDE_RIGHT) && + HAS_POSITION (MATE_MIXER_CHANNEL_LFE)) return _("Surround 7.1"); break; } +#undef HAS_POSITION + return NULL; } + +#if GTK_CHECK_VERSION (3, 0, 0) +/* Taken from gtkstyle.c */ +static void rgb_to_hls (gdouble *r, gdouble *g, gdouble *b); +static void hls_to_rgb (gdouble *h, gdouble *l, gdouble *s); + +void +mvc_color_shade (GdkRGBA *a, GdkRGBA *b, gdouble k) +{ + gdouble red; + gdouble green; + gdouble blue; + + red = (gdouble) a->red / 65535.0; + green = (gdouble) a->green / 65535.0; + blue = (gdouble) a->blue / 65535.0; + + rgb_to_hls (&red, &green, &blue); + + green *= k; + if (green > 1.0) + green = 1.0; + else if (green < 0.0) + green = 0.0; + + blue *= k; + if (blue > 1.0) + blue = 1.0; + else if (blue < 0.0) + blue = 0.0; + + hls_to_rgb (&red, &green, &blue); + + b->red = red * 65535.0; + b->green = green * 65535.0; + b->blue = blue * 65535.0; +} + +static void +rgb_to_hls (gdouble *r, gdouble *g, gdouble *b) +{ + gdouble min; + gdouble max; + gdouble red; + gdouble green; + gdouble blue; + gdouble h, l, s; + gdouble delta; + + red = *r; + green = *g; + blue = *b; + + if (red > green) { + if (red > blue) + max = red; + else + max = blue; + + if (green < blue) + min = green; + else + min = blue; + } else { + if (green > blue) + max = green; + else + max = blue; + + if (red < blue) + min = red; + else + min = blue; + } + + l = (max + min) / 2; + s = 0; + h = 0; + + if (max != min) { + if (l <= 0.5) + s = (max - min) / (max + min); + else + s = (max - min) / (2 - max - min); + + delta = max - min; + if (red == max) + h = (green - blue) / delta; + else if (green == max) + h = 2 + (blue - red) / delta; + else if (blue == max) + h = 4 + (red - green) / delta; + + h *= 60; + if (h < 0.0) + h += 360; + } + + *r = h; + *g = l; + *b = s; +} + +static void +hls_to_rgb (gdouble *h, gdouble *l, gdouble *s) +{ + gdouble hue; + gdouble lightness; + gdouble saturation; + gdouble m1, m2; + gdouble r, g, b; + + lightness = *l; + saturation = *s; + + if (lightness <= 0.5) + m2 = lightness * (1 + saturation); + else + m2 = lightness + saturation - lightness * saturation; + m1 = 2 * lightness - m2; + + if (saturation == 0) { + *h = lightness; + *l = lightness; + *s = lightness; + } else { + hue = *h + 120; + while (hue > 360) + hue -= 360; + while (hue < 0) + hue += 360; + + if (hue < 60) + r = m1 + (m2 - m1) * hue / 60; + else if (hue < 180) + r = m2; + else if (hue < 240) + r = m1 + (m2 - m1) * (240 - hue) / 60; + else + r = m1; + + hue = *h; + while (hue > 360) + hue -= 360; + while (hue < 0) + hue += 360; + + if (hue < 60) + g = m1 + (m2 - m1) * hue / 60; + else if (hue < 180) + g = m2; + else if (hue < 240) + g = m1 + (m2 - m1) * (240 - hue) / 60; + else + g = m1; + + hue = *h - 120; + while (hue > 360) + hue -= 360; + while (hue < 0) + hue += 360; + + if (hue < 60) + b = m1 + (m2 - m1) * hue / 60; + else if (hue < 180) + b = m2; + else if (hue < 240) + b = m1 + (m2 - m1) * (240 - hue) / 60; + else + b = m1; + + *h = r; + *l = g; + *s = b; + } +} +#endif |