80 lines
1.6 KiB
C++
80 lines
1.6 KiB
C++
// PNG includes
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#ifndef NO_FREETYPE
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#define NO_FREETYPE
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#endif
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#include "pngwriter.h"
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#include <hyperionpng/HyperionPng.h>
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HyperionPng::HyperionPng() :
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mBuffer(nullptr),
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mFrameCnt(0),
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mWriter(new pngwriter()),
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mFileIndex(0)
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{
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// empty
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}
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HyperionPng::~HyperionPng()
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{
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std::cout << "HyperionPng is being deleted" << std::endl;
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delete mBuffer;
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mWriter->close();
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delete mWriter;
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}
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void HyperionPng::setInputSize(const unsigned width, const unsigned height)
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{
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delete mBuffer;
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mBuffer = new RgbImage(width, height);
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}
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RgbImage& HyperionPng::image()
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{
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return *mBuffer;
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}
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void HyperionPng::commit()
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{
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writeImage(*mBuffer);
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}
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void HyperionPng::operator() (const RgbImage& inputImage)
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{
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writeImage(inputImage);
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}
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void HyperionPng::writeImage(const RgbImage& inputImage)
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{
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// Write only every n'th frame
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if (mFrameCnt%10 == 0)
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{
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// Set the filename for the PNG
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char filename[64];
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sprintf(filename, "/home/pi/RASPI_%04lu.png", mFileIndex);
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mWriter->pngwriter_rename(filename);
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mWriter->resize(inputImage.width(), inputImage.height());
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// Plot the pixels from the image to the PNG-Writer
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for (unsigned y=0; y<inputImage.width(); ++y)
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{
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for (unsigned x=0; x<inputImage.height(); ++x)
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{
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const RgbColor& color = inputImage(x,y);
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mWriter->plot(x+1, inputImage.height()-y, color.red/255.0, color.green/255.0, color.blue/255.0);
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}
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}
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std::cout << "Writing the PNG" << std::endl;
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// Write-out the current frame and prepare for the next
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mWriter->write_png();
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++mFileIndex;
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std::cout << "PNGWRITER FINISHED" << std::endl;
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}
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++mFrameCnt;
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}
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