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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
//************************************************************************
//
// LCDAnimatedBitmap.cpp
//
// The CLCDAnimatedBitmap class draws animated bitmaps onto the LCD.
// An animated bitmap consists of a tiled bitmap representing the
// animation. The tile size is set with the SetSubpicWidth.
//
// Logitech LCD SDK
//
// Copyright 2005 Logitech Inc.
//************************************************************************
#include "LCDAnimatedBitmap.h"
//************************************************************************
//
// CLCDAnimatedBitmap::CLCDAnimatedBitmap
//
//************************************************************************
CLCDAnimatedBitmap::CLCDAnimatedBitmap()
{
m_dwCurrSubpic = m_dwTotalSubpics = 0;
}
//************************************************************************
//
// CLCDAnimatedBitmap::CLCDAnimatedBitmap
//
//************************************************************************
CLCDAnimatedBitmap::~CLCDAnimatedBitmap()
{
}
//************************************************************************
//
// CLCDAnimatedBitmap::Initialize
//
//************************************************************************
HRESULT CLCDAnimatedBitmap::Initialize(void)
{
m_dwRate = 250;
m_dwElapsedTime = 0;
m_dwLastUpdate = GetTickCount();
return CLCDBitmap::Initialize();
}
//************************************************************************
//
// CLCDAnimatedBitmap::ResetUpdate
//
//************************************************************************
void CLCDAnimatedBitmap::ResetUpdate(void)
{
m_dwCurrSubpic = 0;
m_dwLastUpdate = GetTickCount();
}
//************************************************************************
//
// CLCDAnimatedBitmap::SetSubpicWidth
//
//************************************************************************
void CLCDAnimatedBitmap::SetSubpicWidth(DWORD dwWidth)
{
m_dwSubpicWidth = dwWidth;
LCDUIASSERT(NULL != m_hBitmap);
LCDUIASSERT(0 != dwWidth);
if((NULL != m_hBitmap) && (0 != dwWidth))
{
// figure out how many tiles we have
BITMAP bitmap;
if(GetObject(m_hBitmap, sizeof(bitmap), &bitmap))
{
m_dwTotalSubpics = bitmap.bmWidth / dwWidth;
SetLogicalSize(bitmap.bmWidth, bitmap.bmHeight);
}
else
{
m_dwTotalSubpics = 0;
}
}
else
{
m_dwTotalSubpics = 0;
}
}
//************************************************************************
//
// CLCDAnimatedBitmap::SetAnimationRate
//
//************************************************************************
void CLCDAnimatedBitmap::SetAnimationRate(DWORD dwRate)
{
m_dwRate = dwRate;
}
//************************************************************************
//
// CLCDAnimatedBitmap::OnUpdate
//
//************************************************************************
void CLCDAnimatedBitmap::OnUpdate(DWORD dwTimestamp)
{
m_dwElapsedTime = (dwTimestamp - m_dwLastUpdate);
}
//************************************************************************
//
// CLCDAnimatedBitmap::OnDraw
//
//************************************************************************
void CLCDAnimatedBitmap::OnDraw(CLCDGfx &rGfx)
{
if(m_dwTotalSubpics > 0)
{
int xoffs = m_dwCurrSubpic * m_dwSubpicWidth;
DWORD increment = m_dwElapsedTime / m_dwRate;
if(increment > 0)
{
m_dwCurrSubpic += increment;
m_dwCurrSubpic %= m_dwTotalSubpics;
m_dwElapsedTime %= m_dwRate;
m_dwLastUpdate = GetTickCount();
}
// stolen from: CLCDBitmap::OnDraw(rGfx);
if(m_hBitmap)
{
HDC hCompatibleDC = CreateCompatibleDC(rGfx.GetHDC());
HBITMAP hOldBitmap = (HBITMAP)SelectObject(hCompatibleDC, m_hBitmap);
// get
BitBlt(rGfx.GetHDC(), 0, 0, m_Size.cx, m_Size.cy, hCompatibleDC, xoffs, 0, m_dwROP);
// restores
SelectObject(hCompatibleDC, hOldBitmap);
DeleteDC(hCompatibleDC);
}
}
}
//** end of LCDAnimatedBitmap.cpp ****************************************
|