Qt 4.8
qscreenlinuxfb_qws.h
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41 
42 #ifndef QSCREENLINUXFB_QWS_H
43 #define QSCREENLINUXFB_QWS_H
44 
45 #include <QtGui/qscreen_qws.h>
46 
47 struct fb_cmap;
48 struct fb_var_screeninfo;
49 struct fb_fix_screeninfo;
50 
51 
53 
55 
56 QT_MODULE(Gui)
57 
58 #ifndef QT_NO_QWS_LINUXFB
59 
61 {
62 public:
63  volatile int lastop;
64  volatile int optype;
65  volatile int fifocount; // Accel drivers only
66  volatile int fifomax;
67  volatile int forecol; // Foreground colour caching
68  volatile unsigned int buffer_offset; // Destination
69  volatile int linestep;
70  volatile int cliptop; // Clip rectangle
71  volatile int clipleft;
72  volatile int clipright;
73  volatile int clipbottom;
74  volatile unsigned int rop;
75 
76 };
77 
79 
81 {
82 public:
83  explicit QLinuxFbScreen(int display_id);
84  virtual ~QLinuxFbScreen();
85 
86  virtual bool initDevice();
87  virtual bool connect(const QString &displaySpec);
88 
89  virtual bool useOffscreen();
90 
91  enum DriverTypes { GenericDriver, EInk8Track };
92 
93  virtual void disconnect();
94  virtual void shutdownDevice();
95  virtual void setMode(int,int,int);
96  virtual void save();
97  virtual void restore();
98  virtual void blank(bool on);
99  virtual void set(unsigned int,unsigned int,unsigned int,unsigned int);
100  virtual uchar * cache(int);
101  virtual void uncache(uchar *);
102  virtual int sharedRamSize(void *);
103  virtual void setDirty(const QRect&);
104 
106 
107 protected:
108 
109  void deleteEntry(uchar *);
110 
111  bool canaccel;
114 
115  virtual void fixupScreenInfo(fb_fix_screeninfo &finfo, fb_var_screeninfo &vinfo);
116  static void clearCache(QScreen *instance, int);
117 
118 private:
119 
120  void delete_entry(int);
121  void insert_entry(int,int,int);
122  void setupOffScreen();
123  void createPalette(fb_cmap &cmap, fb_var_screeninfo &vinfo, fb_fix_screeninfo &finfo);
124  void setPixelFormat(struct fb_var_screeninfo);
125 
127 };
128 
129 #endif // QT_NO_QWS_LINUXFB
130 
132 
134 
135 #endif // QSCREENLINUXFB_QWS_H
QLinuxFbScreenPrivate * d_ptr
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
#define QT_MODULE(x)
Definition: qglobal.h:2783
volatile int lastop
#define QT_BEGIN_HEADER
Definition: qglobal.h:136
volatile int fifocount
DriverTypes
This enum describes the driver type.
#define Q_GUI_EXPORT
Definition: qglobal.h:1450
static QColor cmap[256]
Definition: qgl_mac.mm:760
volatile unsigned int rop
The QString class provides a Unicode character string.
Definition: qstring.h:83
volatile int clipbottom
unsigned char uchar
Definition: qglobal.h:994
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
volatile int forecol
volatile int optype
volatile int cliptop
QLinuxFb_Shared * shared
volatile int clipright
volatile int clipleft
The QRect class defines a rectangle in the plane using integer precision.
Definition: qrect.h:58
The QScreen class is a base class for screen drivers in Qt for Embedded Linux.
Definition: qscreen_qws.h:191
volatile unsigned int buffer_offset
volatile int linestep
The QLinuxFbScreen class implements a screen driver for the Linux framebuffer.
#define QT_END_HEADER
Definition: qglobal.h:137
volatile int fifomax