| 79 |
cycrow |
1 |
//************************************************************************
|
|
|
2 |
//
|
|
|
3 |
// LCDProgressBar.cpp
|
|
|
4 |
//
|
|
|
5 |
// The CLCDProgressBar class draws a progress bar onto the LCD.
|
|
|
6 |
//
|
|
|
7 |
// Logitech LCD SDK
|
|
|
8 |
//
|
|
|
9 |
// Copyright 2005 Logitech Inc.
|
|
|
10 |
//************************************************************************
|
|
|
11 |
|
|
|
12 |
#include "LCDProgressBar.h"
|
|
|
13 |
|
|
|
14 |
|
|
|
15 |
//************************************************************************
|
|
|
16 |
//
|
|
|
17 |
// CLCDProgressBar::CLCDProgressBar
|
|
|
18 |
//
|
|
|
19 |
//************************************************************************
|
|
|
20 |
|
|
|
21 |
CLCDProgressBar::CLCDProgressBar()
|
|
|
22 |
{
|
|
|
23 |
m_fPos = 0.0f;
|
|
|
24 |
m_eStyle = STYLE_CURSOR;
|
|
|
25 |
m_Range.nMin = 0;
|
|
|
26 |
m_Range.nMax = 100;
|
|
|
27 |
m_nCursorWidth = 5;
|
|
|
28 |
m_hPen = NULL;
|
|
|
29 |
}
|
|
|
30 |
|
|
|
31 |
|
|
|
32 |
//************************************************************************
|
|
|
33 |
//
|
|
|
34 |
// CLCDProgressBar::~CLCDProgressBar
|
|
|
35 |
//
|
|
|
36 |
//************************************************************************
|
|
|
37 |
|
|
|
38 |
CLCDProgressBar::~CLCDProgressBar()
|
|
|
39 |
{
|
|
|
40 |
if (m_hPen != NULL)
|
|
|
41 |
{
|
|
|
42 |
::DeleteObject(m_hPen);
|
|
|
43 |
m_hPen = NULL;
|
|
|
44 |
}
|
|
|
45 |
}
|
|
|
46 |
|
|
|
47 |
|
|
|
48 |
//************************************************************************
|
|
|
49 |
//
|
|
|
50 |
// CLCDProgressBar:Initialize
|
|
|
51 |
//
|
|
|
52 |
//************************************************************************
|
|
|
53 |
|
|
|
54 |
HRESULT CLCDProgressBar::Initialize()
|
|
|
55 |
{
|
|
|
56 |
|
|
|
57 |
m_hBrush = (HBRUSH)GetStockObject(WHITE_BRUSH);
|
|
|
58 |
m_hPen = ::CreatePen(PS_DOT, 1, RGB(255, 255, 255));
|
|
|
59 |
|
|
|
60 |
return CLCDBase::Initialize();
|
|
|
61 |
}
|
|
|
62 |
|
|
|
63 |
|
|
|
64 |
//************************************************************************
|
|
|
65 |
//
|
|
|
66 |
// CLCDProgressBar::OnDraw
|
|
|
67 |
//
|
|
|
68 |
//************************************************************************
|
|
|
69 |
|
|
|
70 |
void CLCDProgressBar::OnDraw(CLCDGfx &rGfx)
|
|
|
71 |
{
|
|
|
72 |
HPEN hOldPen;
|
|
|
73 |
|
|
|
74 |
rGfx.ClearScreen();
|
|
|
75 |
|
|
|
76 |
// draw the border
|
|
|
77 |
RECT r = { 0, 0, GetWidth(), GetHeight() };
|
|
|
78 |
|
|
|
79 |
FrameRect(rGfx.GetHDC(), &r, m_hBrush);
|
|
|
80 |
|
|
|
81 |
// draw the progress
|
|
|
82 |
switch(m_eStyle)
|
|
|
83 |
{
|
|
|
84 |
case STYLE_CURSOR:
|
|
|
85 |
{
|
|
|
86 |
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
|
|
|
87 |
(float)1, (float)(GetWidth() - m_nCursorWidth-1),
|
|
|
88 |
m_fPos);
|
|
|
89 |
r.left = nCursorPos;
|
|
|
90 |
r.right = r.left + m_nCursorWidth;
|
|
|
91 |
FillRect(rGfx.GetHDC(), &r, m_hBrush);
|
|
|
92 |
}
|
|
|
93 |
break;
|
|
|
94 |
case STYLE_FILLED:
|
|
|
95 |
{
|
|
|
96 |
int nBarWidth = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
|
|
|
97 |
0.0f, (float)GetWidth(),
|
|
|
98 |
m_fPos);
|
|
|
99 |
r.right = nBarWidth;
|
|
|
100 |
FillRect(rGfx.GetHDC(), &r, m_hBrush);
|
|
|
101 |
}
|
|
|
102 |
break;
|
|
|
103 |
case STYLE_DASHED_CURSOR:
|
|
|
104 |
{
|
|
|
105 |
int nCursorPos = (int)Scalef((float)m_Range.nMin, (float)m_Range.nMax,
|
|
|
106 |
(float)1, (float)(GetWidth() - m_nCursorWidth-1),
|
|
|
107 |
m_fPos);
|
|
|
108 |
r.left = nCursorPos;
|
|
|
109 |
r.right = r.left + m_nCursorWidth;
|
|
|
110 |
FillRect(rGfx.GetHDC(), &r, m_hBrush);
|
|
|
111 |
hOldPen = (HPEN)::SelectObject(rGfx.GetHDC(), m_hPen);
|
|
|
112 |
|
|
|
113 |
::MoveToEx(rGfx.GetHDC(), 0, (r.bottom - r.top)/2, NULL);
|
|
|
114 |
::LineTo(rGfx.GetHDC(), nCursorPos, (r.bottom - r.top)/2);
|
|
|
115 |
::SelectObject(rGfx.GetHDC(), hOldPen);
|
|
|
116 |
}
|
|
|
117 |
break;
|
|
|
118 |
default:
|
|
|
119 |
break;
|
|
|
120 |
}
|
|
|
121 |
}
|
|
|
122 |
|
|
|
123 |
|
|
|
124 |
//************************************************************************
|
|
|
125 |
//
|
|
|
126 |
// CLCDProgressBar::ResetUpdate
|
|
|
127 |
//
|
|
|
128 |
//************************************************************************
|
|
|
129 |
|
|
|
130 |
void CLCDProgressBar::ResetUpdate()
|
|
|
131 |
{
|
|
|
132 |
|
|
|
133 |
}
|
|
|
134 |
|
|
|
135 |
|
|
|
136 |
//************************************************************************
|
|
|
137 |
//
|
|
|
138 |
// CLCDProgressBar::SetRange
|
|
|
139 |
//
|
|
|
140 |
//************************************************************************
|
|
|
141 |
|
|
|
142 |
void CLCDProgressBar::SetRange(int nMin, int nMax)
|
|
|
143 |
{
|
|
|
144 |
m_Range.nMin = nMin;
|
|
|
145 |
m_Range.nMax = nMax;
|
|
|
146 |
}
|
|
|
147 |
|
|
|
148 |
|
|
|
149 |
//************************************************************************
|
|
|
150 |
//
|
|
|
151 |
// CLCDProgressBar::SetRange
|
|
|
152 |
//
|
|
|
153 |
//************************************************************************
|
|
|
154 |
|
|
|
155 |
void CLCDProgressBar::SetRange(RANGE& Range)
|
|
|
156 |
{
|
|
|
157 |
m_Range = Range;
|
|
|
158 |
}
|
|
|
159 |
|
|
|
160 |
|
|
|
161 |
//************************************************************************
|
|
|
162 |
//
|
|
|
163 |
// CLCDProgressBar::GetRange
|
|
|
164 |
//
|
|
|
165 |
//************************************************************************
|
|
|
166 |
|
|
|
167 |
RANGE& CLCDProgressBar::GetRange()
|
|
|
168 |
{
|
|
|
169 |
return m_Range;
|
|
|
170 |
}
|
|
|
171 |
|
|
|
172 |
|
|
|
173 |
//************************************************************************
|
|
|
174 |
//
|
|
|
175 |
// CLCDProgressBar::SetPos
|
|
|
176 |
//
|
|
|
177 |
//************************************************************************
|
|
|
178 |
|
|
|
179 |
float CLCDProgressBar::SetPos(float fPos)
|
|
|
180 |
{
|
|
|
181 |
return ( m_fPos = max((float)m_Range.nMin, min(fPos, (float)m_Range.nMax)) );
|
|
|
182 |
}
|
|
|
183 |
|
|
|
184 |
|
|
|
185 |
//************************************************************************
|
|
|
186 |
//
|
|
|
187 |
// CLCDProgressBar::GetPos
|
|
|
188 |
//
|
|
|
189 |
//************************************************************************
|
|
|
190 |
|
|
|
191 |
float CLCDProgressBar::GetPos()
|
|
|
192 |
{
|
|
|
193 |
return m_fPos;
|
|
|
194 |
}
|
|
|
195 |
|
|
|
196 |
|
|
|
197 |
//************************************************************************
|
|
|
198 |
//
|
|
|
199 |
// CLCDProgressBar::EnableCursor
|
|
|
200 |
//
|
|
|
201 |
//************************************************************************
|
|
|
202 |
|
|
|
203 |
void CLCDProgressBar::EnableCursor(BOOL bEnable)
|
|
|
204 |
{
|
|
|
205 |
m_eStyle = bEnable ? STYLE_CURSOR : STYLE_FILLED;
|
|
|
206 |
}
|
|
|
207 |
|
|
|
208 |
//************************************************************************
|
|
|
209 |
//
|
|
|
210 |
// CLCDProgressBar::SetProgressStyle
|
|
|
211 |
//
|
|
|
212 |
//************************************************************************
|
|
|
213 |
|
|
|
214 |
void CLCDProgressBar::SetProgressStyle(ePROGRESS_STYLE eStyle)
|
|
|
215 |
{
|
|
|
216 |
m_eStyle = eStyle;
|
|
|
217 |
}
|
|
|
218 |
|
|
|
219 |
//************************************************************************
|
|
|
220 |
//
|
|
|
221 |
// CLCDProgressBar::Scalef
|
|
|
222 |
//
|
|
|
223 |
//************************************************************************
|
|
|
224 |
|
|
|
225 |
float CLCDProgressBar::Scalef(float fFromMin, float fFromMax,
|
|
|
226 |
float fToMin, float fToMax, float fFromValue)
|
|
|
227 |
{
|
|
|
228 |
|
|
|
229 |
// normalize the input
|
|
|
230 |
float fFromValueN = (fFromValue - fFromMin) / (fFromMax - fFromMin);
|
|
|
231 |
|
|
|
232 |
// now scale to the output
|
|
|
233 |
float fToRange = fToMax - fToMin;
|
|
|
234 |
|
|
|
235 |
return ( fToMin + (fFromValueN * fToRange) );
|
|
|
236 |
}
|
|
|
237 |
|
|
|
238 |
|
|
|
239 |
//************************************************************************
|
|
|
240 |
//
|
|
|
241 |
// CLCDProgressBar::Scale
|
|
|
242 |
//
|
|
|
243 |
//************************************************************************
|
|
|
244 |
|
|
|
245 |
int CLCDProgressBar::Scale(int nFromMin, int nFromMax,
|
|
|
246 |
int nToMin, int nToMax, int nFromValue)
|
|
|
247 |
{
|
|
|
248 |
return (int)Scalef(
|
|
|
249 |
(float)nFromMin,
|
|
|
250 |
(float)nFromMax,
|
|
|
251 |
(float)nToMin,
|
|
|
252 |
(float)nToMax,
|
|
|
253 |
(float)nFromValue
|
|
|
254 |
);
|
|
|
255 |
}
|
|
|
256 |
|
|
|
257 |
|
|
|
258 |
//** end of LCDProgressBar.cpp *******************************************
|