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Diffstat (limited to 'mate-volume-control/src/mvc-helpers.c')
| -rw-r--r-- | mate-volume-control/src/mvc-helpers.c | 335 |
1 files changed, 0 insertions, 335 deletions
diff --git a/mate-volume-control/src/mvc-helpers.c b/mate-volume-control/src/mvc-helpers.c deleted file mode 100644 index 4f572fc..0000000 --- a/mate-volume-control/src/mvc-helpers.c +++ /dev/null @@ -1,335 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- - * - * Copyright (C) 2014 Michal Ratajsky <[email protected]> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. - * - */ - -#include "config.h" - -#include <glib.h> -#include <glib/gi18n.h> -#include <gtk/gtk.h> - -#include <libmatemixer/matemixer.h> - -#include "mvc-helpers.h" - -/* libcanberra requires a PulseAudio channel name to be given to its - * CA_PROP_CANBERRA_FORCE_CHANNEL property. - * - * The strings here are copied from PulseAudio source code to avoid depending - * on libpulse. */ -static const gchar *pulse_position[MATE_MIXER_CHANNEL_MAX] = { - [MATE_MIXER_CHANNEL_MONO] = "mono", - [MATE_MIXER_CHANNEL_FRONT_LEFT] = "front-left", - [MATE_MIXER_CHANNEL_FRONT_RIGHT] = "front-right", - [MATE_MIXER_CHANNEL_FRONT_CENTER] = "front-center", - [MATE_MIXER_CHANNEL_LFE] = "lfe", - [MATE_MIXER_CHANNEL_BACK_LEFT] = "rear-left", - [MATE_MIXER_CHANNEL_BACK_RIGHT] = "rear-right", - [MATE_MIXER_CHANNEL_BACK_CENTER] = "rear-center", - [MATE_MIXER_CHANNEL_FRONT_LEFT_CENTER] = "front-left-of-center", - [MATE_MIXER_CHANNEL_FRONT_RIGHT_CENTER] = "front-right-of-center", - [MATE_MIXER_CHANNEL_SIDE_LEFT] = "side-left", - [MATE_MIXER_CHANNEL_SIDE_RIGHT] = "side-right", - [MATE_MIXER_CHANNEL_TOP_FRONT_LEFT] = "top-front-left", - [MATE_MIXER_CHANNEL_TOP_FRONT_RIGHT] = "top-front-right", - [MATE_MIXER_CHANNEL_TOP_FRONT_CENTER] = "top-front-center", - [MATE_MIXER_CHANNEL_TOP_CENTER] = "top-center", - [MATE_MIXER_CHANNEL_TOP_BACK_LEFT] = "top-rear-left", - [MATE_MIXER_CHANNEL_TOP_BACK_RIGHT] = "top-rear-right", - [MATE_MIXER_CHANNEL_TOP_BACK_CENTER] = "top-rear-center" -}; - -static const gchar *pretty_position[MATE_MIXER_CHANNEL_MAX] = { - [MATE_MIXER_CHANNEL_UNKNOWN] = N_("Unknown"), - /* Speaker channel names */ - [MATE_MIXER_CHANNEL_MONO] = N_("Mono"), - [MATE_MIXER_CHANNEL_FRONT_LEFT] = N_("Front Left"), - [MATE_MIXER_CHANNEL_FRONT_RIGHT] = N_("Front Right"), - [MATE_MIXER_CHANNEL_FRONT_CENTER] = N_("Front Center"), - [MATE_MIXER_CHANNEL_LFE] = N_("LFE"), - [MATE_MIXER_CHANNEL_BACK_LEFT] = N_("Rear Left"), - [MATE_MIXER_CHANNEL_BACK_RIGHT] = N_("Rear Right"), - [MATE_MIXER_CHANNEL_BACK_CENTER] = N_("Rear Center"), - [MATE_MIXER_CHANNEL_FRONT_LEFT_CENTER] = N_("Front Left of Center"), - [MATE_MIXER_CHANNEL_FRONT_RIGHT_CENTER] = N_("Front Right of Center"), - [MATE_MIXER_CHANNEL_SIDE_LEFT] = N_("Side Left"), - [MATE_MIXER_CHANNEL_SIDE_RIGHT] = N_("Side Right"), - [MATE_MIXER_CHANNEL_TOP_FRONT_LEFT] = N_("Top Front Left"), - [MATE_MIXER_CHANNEL_TOP_FRONT_RIGHT] = N_("Top Front Right"), - [MATE_MIXER_CHANNEL_TOP_FRONT_CENTER] = N_("Top Front Center"), - [MATE_MIXER_CHANNEL_TOP_CENTER] = N_("Top Center"), - [MATE_MIXER_CHANNEL_TOP_BACK_LEFT] = N_("Top Rear Left"), - [MATE_MIXER_CHANNEL_TOP_BACK_RIGHT] = N_("Top Rear Right"), - [MATE_MIXER_CHANNEL_TOP_BACK_CENTER] = N_("Top Rear Center") -}; - -const gchar * -mvc_channel_position_to_pulse_string (MateMixerChannelPosition position) -{ - g_return_val_if_fail (position >= 0 && position < MATE_MIXER_CHANNEL_MAX, NULL); - - return pulse_position[position]; -} - -const gchar * -mvc_channel_position_to_pretty_string (MateMixerChannelPosition position) -{ - g_return_val_if_fail (position >= 0 && position < MATE_MIXER_CHANNEL_MAX, NULL); - - return pretty_position[position]; -} - -const gchar * -mvc_channel_map_to_pretty_string (MateMixerStreamControl *control) -{ - g_return_val_if_fail (MATE_MIXER_IS_STREAM_CONTROL (control), NULL); - -#define HAS_POSITION(p) (mate_mixer_stream_control_has_channel_position (control, (p))) - - /* Modeled after PulseAudio 5.0, probably could be extended with other combinations */ - switch (mate_mixer_stream_control_get_num_channels (control)) { - case 1: - if (HAS_POSITION (MATE_MIXER_CHANNEL_MONO)) - return _("Mono"); - break; - case 2: - if (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_LEFT) && - HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_RIGHT)) - return _("Stereo"); - break; - case 4: - 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 (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 (HAS_POSITION (MATE_MIXER_CHANNEL_FRONT_CENTER)) - return _("Surround 5.0"); - break; - case 6: - 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 (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 |