bool ImageLoaderPVM::Save(const Image &cImage, File &cFile)
{
// Get image buffer, we only support the data type "byte" and "word"
ImageBuffer *pImageBuffer = cImage.GetBuffer();
if (pImageBuffer && (pImageBuffer->GetDataFormat() == DataByte || pImageBuffer->GetDataFormat() == DataWord)) {
// Save the data
const Vector3i &vSize = pImageBuffer->GetSize();
writePVMvolume(cFile.GetUrl().GetNativePath().GetASCII(), pImageBuffer->GetData(), vSize.x, vSize.y, vSize.z, (pImageBuffer->GetDataFormat() == DataByte) ? 1 : 2);
// Done
return true;
}
// Error!
return false;
}
bool VolumeLoaderDAT::Save(const Volume &cVolume, File &cFile)
{
// Get the image holding the volumetric data
const Image &cImage = cVolume.GetVolumeImage();
// Get image buffer, we only support the data type "byte" and "word"
ImageBuffer *pImageBuffer = cImage.GetBuffer();
if (pImageBuffer && (pImageBuffer->GetDataFormat() == DataByte || pImageBuffer->GetDataFormat() == DataWord)) {
const Vector3i &vSize = pImageBuffer->GetSize();
// Construct the object filename
const String sObjectFilename = cFile.GetUrl().GetTitle() + ".raw";
// A "dat"-file has simple ASCII content
cFile.PutS("ObjectFileName: " + sObjectFilename + '\n'); // Example: "ObjectFileName: Teddybear.raw"
cFile.PutS("TaggedFileName: ---\n"); // Example: "TaggedFileName: ---"
cFile.PutS("Resolution: " + vSize.ToString() + '\n'); // Example: "Resolution: 128 128 62"
cFile.PutS("SliceThickness: 1 1 1\n"); // Example: "SliceThickness: 2.8 2.8 5"
if (pImageBuffer->GetDataFormat() == DataByte) // Example: "Format: UCHAR"
cFile.PutS("Format: UCHAR\n");
else
cFile.PutS("Format: USHORT\n");
cFile.PutS("NbrTags: 0\n"); // Example: "NbrTags: 0"
cFile.PutS("ObjectType: TEXTURE_VOLUME_OBJECT\n"); // Example: "ObjectType: TEXTURE_VOLUME_OBJECT"
cFile.PutS("ObjectModel: RGBA\n"); // Example: "ObjectModel: RGBA"
cFile.PutS("GridType: EQUIDISTANT\n"); // Example: "GridType: EQUIDISTANT"
{ // Raw data...
// Get the absolute filename of the raw file
const String sFilename = cFile.GetUrl().CutFilename() + sObjectFilename;
// Open the raw file
File cRawFile(sFilename);
if (cRawFile.Open(File::FileCreate | File::FileWrite)) {
// Save the data
cRawFile.Write(pImageBuffer->GetData(), 1, pImageBuffer->GetDataSize());
// Done
return true;
}
}
}
// Error!
return false;
}
bool IEScale::Apply(ImageBuffer &cImageBuffer) const
{
// Get dimensions
const uint32 nNewWidth = m_vNewSize.x;
const uint32 nNewHeight = m_vNewSize.y;
const uint32 nOldWidth = cImageBuffer.GetSize().x;
const uint32 nOldHeight = cImageBuffer.GetSize().y;
// [TODO] 3D support
// [TODO] Currently we only support 'scale down'
// New width and new height must be >0, ColorPalette as color format is not supported
if (cImageBuffer.GetColorFormat() != ColorPalette && nNewWidth <= nOldWidth && nNewHeight <= nOldHeight && nNewWidth && nNewHeight) {
// 3x3 filter matrix
static const Matrix3x3 mFilter(0.1f, 0.5f, 0.1f,
0.5f, 1.0f, 0.5f,
0.1f, 0.5f, 0.1f);
// Create the new image buffer
ImageBuffer cOldImageBuffer = cImageBuffer;
// [TODO] Currently compressing data is not implemented, yet
cImageBuffer.CreateImage(cOldImageBuffer.GetDataFormat(), cOldImageBuffer.GetColorFormat(), Vector3i(nNewWidth, nNewHeight, 1));
// cImageBuffer.CreateImage(cOldImageBuffer.GetDataFormat(), cOldImageBuffer.GetColorFormat(), Vector3i(nNewWidth, nNewHeight, 1), cOldImageBuffer.GetCompression());
// Process data format dependent
switch (cImageBuffer.GetDataFormat()) {
case DataByte:
{
ScaleDownData<uint8> cScaleDownData(cOldImageBuffer, cImageBuffer, nNewWidth, nNewHeight, nOldWidth, nOldHeight, mFilter);
break;
}
case DataWord:
{
ScaleDownData<uint16> cScaleDownData(cOldImageBuffer, cImageBuffer, nNewWidth, nNewHeight, nOldWidth, nOldHeight, mFilter);
break;
}
case DataHalf:
{
ScaleDownHalfData(cOldImageBuffer, cImageBuffer, nNewWidth, nNewHeight, nOldWidth, nOldHeight, mFilter);
break;
}
case DataFloat:
{
ScaleDownData<float> cScaleDownData(cOldImageBuffer, cImageBuffer, nNewWidth, nNewHeight, nOldWidth, nOldHeight, mFilter);
break;
}
case DataDouble:
{
ScaleDownData<double> cScaleDownData(cOldImageBuffer, cImageBuffer, nNewWidth, nNewHeight, nOldWidth, nOldHeight, mFilter);
break;
}
}
// Done
return true;
}
// Error!
return false;
}