#include "vvAnimatedGIFWriter.h"
#include "clitkDD.h"
-#include "ximagif.h"
-
#include <vtkImageData.h>
#include <vtkImageQuantizeRGBToIndex.h>
#include <vtkImageAppend.h>
#include <vtkObjectFactory.h>
#include <vtkLookupTable.h>
+#include "ximagif.h"
+
//---------------------------------------------------------------------------
vtkStandardNewMacro(vvAnimatedGIFWriter);
{
Rate = 5;
Loops = 0;
+ Dither = false;
}
//---------------------------------------------------------------------------
cast->SetOutputScalarTypeToUnsignedChar();
cast->Update();
+ // Create palette for CxImage => Swap r and b in LUT
+ RGBQUAD pal[256];
+ memcpy(pal, (RGBQUAD*)(quant->GetLookupTable()->GetPointer(0)), sizeof(RGBQUAD)*256);
+ for(unsigned int j=0; j<256; j++)
+ std::swap(pal[j].rgbBlue, pal[j].rgbRed);
+
// Create a stack of CxImages
DWORD width = cast->GetOutput()->GetExtent()[1]-cast->GetOutput()->GetExtent()[0]+1;
DWORD height = cast->GetOutput()->GetExtent()[3]-cast->GetOutput()->GetExtent()[2]+1;
std::vector<CxImage*> cximages( RGBslices.size() );
for(unsigned int i=0; i<RGBslices.size(); i++) {
cximages[i] = new CxImage;
- cximages[i]->CreateFromArray((BYTE *)cast->GetOutput()->GetScalarPointer(0,0,i),
- width, height, 8, width, false);
cximages[i]->SetFrameDelay(100/Rate);
- cximages[i]->SetPalette((RGBQUAD*)(quant->GetLookupTable()->GetPointer(0)));
+ if(Dither) {
+ cximages[i]->CreateFromArray((BYTE *)RGBvolume->GetOutput()->GetScalarPointer(0,0,i),
+ width, height, 24, width*3, false);
+ cximages[i]->SwapRGB2BGR();
+ cximages[i]->DecreaseBpp(8, true, pal);
+ }
+ else {
+ cximages[i]->CreateFromArray((BYTE *)cast->GetOutput()->GetScalarPointer(0,0,i),
+ width, height, 8, width, false);
+ cximages[i]->SetPalette(pal);
+ }
}
// Create gif
FILE * pFile;
pFile = fopen (this->FileName, "wb");
+ if(pFile==NULL) {
+ vtkErrorMacro("Error in vvAnimatedGIFWriter::End: could not open " << this->FileName );
+ return;
+ }
CxImageGIF cximagegif;
cximagegif.SetLoops(Loops);
bool result = cximagegif.Encode(pFile,&(cximages[0]), (int)RGBslices.size(), true);