unsigned short Writer::getModuleID (const Module *module)
{
NoiseAssert (module != NULL, module);
ModuleMap::iterator it = mModules.find(module);
NoiseAssert (it != mModules.end(), module);
return it->second;
}
bool Image::saveBMP (const char *filename)
{
NoiseAssert (mData != NULL, mData);
NoiseAssert (mWidth > 0, mWidth);
NoiseAssert (mHeight > 0, mHeight);
FileOutStream stream(filename);
if (!stream.isOpen())
return false;
// BMP Header
stream.write ("BM", 2);
unsigned size = 14 + 40 + mWidth * mHeight * 3;
stream.write (size);
unsigned res = 0;
stream.write (res);
unsigned offset = 54;
stream.write (offset);
// BMP properties
unsigned psize = 40;
stream.write (psize);
int w = mWidth;
stream.write (w);
int h = mHeight;
stream.write (h);
unsigned short planes = 1;
stream.write (planes);
unsigned short bpp = 24;
stream.write (bpp);
unsigned compression = 0;
stream.write (compression);
unsigned sizeImage = mWidth * mHeight * 3;
stream.write (sizeImage);
int ppm = 0;
stream.write (ppm);
stream.write (ppm);
unsigned clrUsed = 0;
stream.write (clrUsed);
unsigned clrImportant = 0;
stream.write (clrImportant);
assert (stream.tell() == offset);
for (int y=mHeight-1;y>=0;--y)
{
unsigned char *buffer = mData+y*mWidth*3;
for (int x=0;x<mWidth;++x)
{
unsigned char r = *buffer++;
unsigned char g = *buffer++;
unsigned char b = *buffer++;
stream.write (b);
stream.write (g);
stream.write (r);
}
}
stream.close ();
return true;
}
void Image::create (int width, int height)
{
NoiseAssert (width > 0, width);
NoiseAssert (height > 0, height);
mWidth = width;
mHeight = height;
mData = new unsigned char [mWidth*mHeight*3];
}
void Writer::writePipeline ()
{
NoiseAssert (!mModuleVec.empty(), mModuleVec);
NoiseAssert (mModuleCount == mModules.size(), mModuleCount);
NoiseAssert (mModuleCount == mModuleVec.size(), mModuleCount);
unsigned char ver = NOISE_FILE_VERSION;
mStream.write (ver);
mStream.write (mModuleCount);
// writing module properties
for (ModuleVector::iterator it=mModuleVec.begin();it!=mModuleVec.end();++it)
writeModule(*it);
// writing module relations
for (ModuleVector::iterator it=mModuleVec.begin();it!=mModuleVec.end();++it)
writeModuleRel(*it);
}
void Writer::writeModule (const Module *module)
{
NoiseAssert (module != NULL, module);
unsigned short typeID = module->getType();
mStream.write (typeID);
module->write (mStream);
}
ThreadedJobQueue::ThreadedJobQueue (size_t numberOfThreads) : mThreadsDone(false), mWorkingThreads(0)
{
NoiseAssert (numberOfThreads > 0, numberOfThreads);
for (size_t i=0;i<numberOfThreads;++i)
{
mThreads.createThread (threadEntry, this);
}
}
void Writer::writeModuleRel (const Module *module)
{
NoiseAssert (module != NULL, module);
for (size_t i=0;i<module->getSourceModuleCount();++i)
{
const Module *child = module->getSourceModule(i);
unsigned short id = getModuleID(child);
mStream.write (id);
}
}
void GradientRenderer::renderImage (Image &image, const Real *data, JobQueue *jobQueue)
{
NoiseAssert (mGradients.size() >= 2, mGradients);
if (!jobQueue)
jobQueue = System::createOptimalJobQueue();
unsigned char *buffer = image.getPixelData ();
int width = image.getWidth();
for (int y=0;y<image.getHeight();++y)
{
jobQueue->addJob (new GradientRendererJob(this, width, data+(y*width), buffer+(y*width*3)));
}
jobQueue->executeJobs();
if (mCallback)
mCallback->reset ();
delete jobQueue;
jobQueue = 0;
}
unsigned short Writer::addModule (const Module *module)
{
NoiseAssert (module != NULL, module);
ModuleMap::iterator it = mModules.find (module);
if (it == mModules.end())
{
unsigned short id = mModuleCount++;
mModules.insert(std::make_pair(module, id));
mModuleVec.push_back (module);
// add child modules
for (size_t i=0;i<module->getSourceModuleCount();++i)
{
const Module *child = module->getSourceModule(i);
assert (child);
addModule (child);
}
return id;
}
return it->second;
}
void ThreadedJobQueue::addJob (Job *job)
{
NoiseAssert (job != NULL, job);
threadpp::Mutex::Lock lk(mMutex);
mJobs.push (job);
}
