1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
/**
* @file lloutputmonitorctrl.cpp
* @brief LLOutputMonitorCtrl base class
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "lloutputmonitorctrl.h"
// library includes
#include "llui.h"
// viewer includes
#include "llvoiceclient.h"
static LLDefaultChildRegistry::Register<LLOutputMonitorCtrl> r("output_monitor");
// The defaults will be initialized in the constructor.
LLColor4 LLOutputMonitorCtrl::sColorMuted;
LLColor4 LLOutputMonitorCtrl::sColorOverdriven;
LLColor4 LLOutputMonitorCtrl::sColorNormal;
LLColor4 LLOutputMonitorCtrl::sColorBound;
S32 LLOutputMonitorCtrl::sRectsNumber = 0;
F32 LLOutputMonitorCtrl::sRectWidthRatio = 0.f;
F32 LLOutputMonitorCtrl::sRectHeightRatio = 0.f;
LLOutputMonitorCtrl::LLOutputMonitorCtrl(const LLOutputMonitorCtrl::Params& p)
: LLView(p),
mPower(0),
mIsMuted(true)
{
static LLUIColor output_monitor_muted_color = LLUIColorTable::instance().getColor("OutputMonitorMutedColor", LLColor4::orange);
static LLUIColor output_monitor_overdriven_color = LLUIColorTable::instance().getColor("OutputMonitorOverdrivenColor", LLColor4::red);
static LLUIColor output_monitor_normal_color = LLUIColorTable::instance().getColor("OutputMonitorNotmalColor", LLColor4::green);
static LLUIColor output_monitor_bound_color = LLUIColorTable::instance().getColor("OutputMonitorBoundColor", LLColor4::white);
static LLUICachedControl<S32> output_monitor_rects_number("OutputMonitorRectanglesNumber", 20);
static LLUICachedControl<F32> output_monitor_rect_width_ratio("OutputMonitorRectangleWidthRatio", 0.5f);
static LLUICachedControl<F32> output_monitor_rect_height_ratio("OutputMonitorRectangleHeightRatio", 0.8f);
// IAN BUG compare to existing pattern where these are members - some will change per-widget and need to be anyway
// sent feedback to PE
// *TODO: it looks suboptimal to load the defaults every time an output monitor is constructed.
sColorMuted = output_monitor_muted_color;
sColorOverdriven = output_monitor_overdriven_color;
sColorNormal = output_monitor_normal_color;
sColorBound = output_monitor_bound_color;
sRectsNumber = output_monitor_rects_number;
sRectWidthRatio = output_monitor_rect_width_ratio;
sRectHeightRatio = output_monitor_rect_height_ratio;
mBorder = p.draw_border;
}
LLOutputMonitorCtrl::~LLOutputMonitorCtrl()
{
}
void LLOutputMonitorCtrl::setPower(F32 val)
{
mPower = llmax(0.f, llmin(1.f, val));
}
void LLOutputMonitorCtrl::draw()
{
//
// Fill the monitor with a bunch of small rectangles.
// The rectangles will be filled with gradient color,
// beginning with sColorNormal and ending with sColorOverdriven.
//
// *TODO: would using a (partially drawn) pixmap instead be faster?
//
const int monh = getRect().getHeight();
const int monw = getRect().getWidth();
int maxrects = sRectsNumber;
const int period = llmax(1, monw / maxrects, 0, 0); // "1" - min value for the period
const int rectw = llmax(1, llfloor(period * sRectWidthRatio), 0, 0); // "1" - min value for the rect's width
const int recth = llfloor(monh * sRectHeightRatio);
if(period == 1 && rectw == 1) //if we have so small control, then "maxrects = monitor's_width - 2*monitor_border's_width
maxrects = monw-2;
const int nrects = mIsMuted ? maxrects : llfloor(mPower * maxrects); // how many rects to draw?
const int rectbtm = (monh - recth) / 2;
const int recttop = rectbtm + recth;
LLColor4 rect_color;
for (int i=1, xpos = 0; i <= nrects; i++)
{
// Calculate color to use for the current rectangle.
if (mIsMuted)
{
rect_color = sColorMuted;
}
else
{
F32 frac = (mPower * i/nrects) / LLVoiceClient::OVERDRIVEN_POWER_LEVEL;
// Use overdriven color if the power exceeds overdriven level.
if (frac > 1.0f)
frac = 1.0f;
rect_color = lerp(sColorNormal, sColorOverdriven, frac);
}
// Draw rectangle filled with the color.
gl_rect_2d(xpos, recttop, xpos+rectw, rectbtm, rect_color, TRUE);
xpos += period;
}
//
// Draw bounding box.
//
if(mBorder)
gl_rect_2d(0, monh, monw, 0, sColorBound, FALSE);
}
|
