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
|
/* -*- mode: C++; tab-width: 4 -*- */
/* ===================================================================== *\
Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
All rights reserved.
This file is part of the Palm OS Emulator.
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.
\* ===================================================================== */
#ifndef EmScreen_h
#define EmScreen_h
#include "EmPixMap.h" // EmPixMap
class SessionFile;
class EmScreenUpdateInfo
{
public:
// Output parameters. Passed back to caller of
// Screen::GetBits. fLCDOn is always valid. The
// other fields are valid only if Screen::GetBits
// returns true.
EmPixMap fImage; // LCD image
long fFirstLine; // First changed scanline
long fLastLine; // Last changed scanline + 1
long fLeftMargin; // If LCD is scrlled by some sub-byte amount,
// this contains that amount.
Bool fLCDOn; // True if LCD is on at all
// Input parameters. Set by Screen::GetBits and
// passed to EmHAL::GetLCDScanlines.
emuptr fScreenLow; // First dirty byte
emuptr fScreenHigh; // Last dirty byte
};
class EmScreen
{
public:
static void Initialize (void);
static void Reset (void);
static void Save (SessionFile&);
static void Load (SessionFile&);
static void Dispose (void);
static void MarkDirty (emuptr address, uint32 size);
static void InvalidateAll (void);
static Bool GetBits (EmScreenUpdateInfo&);
};
#endif // EmScreen_h
|
