本文整理汇总了C++中image::BitmapData::getLinePointer方法的典型用法代码示例。如果您正苦于以下问题：C++ BitmapData::getLinePointer方法的具体用法？C++ BitmapData::getLinePointer怎么用？C++ BitmapData::getLinePointer使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类image::BitmapData的用法示例。
在下文中一共展示了BitmapData::getLinePointer方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: handleFrame
void handleFrame (double /*time*/, BYTE* buffer, long /*bufferSize*/)
{
if (recordNextFrameTime)
{
const double defaultCameraLatency = 0.1;
firstRecordedTime = Time::getCurrentTime() - RelativeTime (defaultCameraLatency);
recordNextFrameTime = false;
ComSmartPtr<IPin> pin;
if (getPin (filter, PINDIR_OUTPUT, pin))
{
ComSmartPtr<IAMPushSource> pushSource;
HRESULT hr = pin.QueryInterface (pushSource);
if (pushSource != nullptr)
{
REFERENCE_TIME latency = 0;
hr = pushSource->GetLatency (&latency);
firstRecordedTime = firstRecordedTime - RelativeTime ((double) latency);
}
}
}
{
const int lineStride = width * 3;
const ScopedLock sl (imageSwapLock);
{
loadingImage.duplicateIfShared();
const Image::BitmapData destData (loadingImage, 0, 0, width, height, Image::BitmapData::writeOnly);
for (int i = 0; i < height; ++i)
memcpy (destData.getLinePointer ((height - 1) - i),
buffer + lineStride * i,
lineStride);
}
imageNeedsFlipping = true;
}
if (listeners.size() > 0)
callListeners (loadingImage);
sendChangeMessage();
}示例2: convert
Image ImageType::convert (const Image& source) const
{
if (source.isNull() || getTypeID() == (ScopedPointer<ImageType> (source.getPixelData()->createType())->getTypeID()))
return source;
const Image::BitmapData src (source, Image::BitmapData::readOnly);
Image newImage (create (src.pixelFormat, src.width, src.height, false));
Image::BitmapData dest (newImage, Image::BitmapData::writeOnly);
jassert (src.pixelStride == dest.pixelStride && src.pixelFormat == dest.pixelFormat);
for (int y = 0; y < dest.height; ++y)
memcpy (dest.getLinePointer (y), src.getLinePointer (y), (size_t) dest.lineStride);
return newImage;
}示例3: convert
Image ImageType::convert (const Image& source) const
{
if (source.isNull() || getTypeID() == (std::unique_ptr<ImageType> (source.getPixelData()->createType())->getTypeID()))
return source;
const Image::BitmapData src (source, Image::BitmapData::readOnly);
Image newImage (create (src.pixelFormat, src.width, src.height, false));
Image::BitmapData dest (newImage, Image::BitmapData::writeOnly);
if (src.pixelStride == dest.pixelStride && src.pixelFormat == dest.pixelFormat)
{
for (int y = 0; y < dest.height; ++y)
memcpy (dest.getLinePointer (y), src.getLinePointer (y), (size_t) dest.lineStride);
}
else
{
for (int y = 0; y < dest.height; ++y)
for (int x = 0; x < dest.width; ++x)
dest.setPixelColour (x, y, src.getPixelColour (x, y));
}
return newImage;
}