返回信息流void
CHardwareSimulation::
FakeHardware (
)
{
m_InterruptTime++;
//
// The hardware can be in a pause state in which case, it issues interrupts
// but does not complete mappings. In this case, don't bother synthesizing
// a frame and doing the work of looking through the mappings table.
//
if (m_HardwareState == HardwareRunning) {
//
// Generate a "time stamp" just to overlay it onto the capture image.
// It makes it more exciting than bars that do nothing.
//
LONGLONG PtsRel = ((m_InterruptTime + 1) * m_TimePerFrame);
ULONG Min = (ULONG)(PtsRel / 600000000);
ULONG RemMin = (ULONG)(PtsRel % 600000000);
ULONG Sec = (ULONG)(RemMin / 10000000);
ULONG RemSec = (ULONG)(RemMin % 10000000);
ULONG Hund = (ULONG)(RemSec / 100000);
//
// Synthesize a buffer in scratch space.
//
m_ImageSynth -> SynthesizeBars ();
CHAR Text [256];
Text[0] = '\0';
(void) RtlStringCbPrintfA(Text, sizeof(Text), "%ld:%02ld.%02ld", Min, Sec, Hund);
//
// Overlay a clock onto the scratch space image.
//
m_ImageSynth -> OverlayText (
POSITION_CENTER,
(m_Height - 28),
1,
Text,
BLACK,
WHITE
);
//
// Overlay a counter of skipped frames onto the scratch image.
//
(void) RtlStringCbPrintfA(Text, sizeof(Text), "Tarique Skipped: %ld", m_NumFramesSkipped);
m_ImageSynth -> OverlayText (
10,
10,
1,
Text,
TRANSPARENT,
BLUE
);
//
// Fill scatter gather buffers
//
if (!NT_SUCCESS (FillScatterGatherBuffers ())) {
InterlockedIncrement (PLONG (&m_NumFramesSkipped));
}
}
//
// Issue an interrupt to our hardware sink. This is a "fake" interrupt.
// It will occur at DISPATCH_LEVEL.
//
m_HardwareSink -> Interrupt ();
//
// Reschedule the timer if the hardware isn't being stopped.
//
if (!m_StopHardware) {
//
// Reschedule the timer for the next interrupt time.
//
LARGE_INTEGER NextTime;
NextTime.QuadPart = m_StartTime.QuadPart +
(m_TimePerFrame * (m_InterruptTime + 1));
KeSetTimer (&m_IsrTimer, NextTime, &m_IsrFakeDpc);
} else {
//
// If someone is waiting on the hardware to stop, raise the stop
// event and clear the flag.
//
m_StopHardware = FALSE;
KeSetEvent (&m_HardwareEvent, IO_NO_INCREMENT, FALSE);
}
}
想将timer换成一张rgb的图片，请问该怎么做啊？
这是一条镜像帖。来源：北邮人论坛 / cpp / #85501同步于 2015/1/28
CPP机器人发帖
请教一个C++的问题
wei866
2015/1/28镜像同步0 回复
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