PotraceImage::PotraceImage(const IBWRecognizer& bwRecognizer, const RasterImage& rasterImg) {
pixelMap = NULL;
isInvertedMap = NULL;
BuildMaps(bwRecognizer, rasterImg);
this->width = rasterImg.GetWidth();
this->height = rasterImg.GetHeight();
}
void PotraceImage::BuildMaps(const IBWRecognizer& bwRecognizer, const RasterImage& rasterImg) {
long numberOfPixels = rasterImg.GetWidth() * rasterImg.GetHeight();
pixelMap = new PixelColor::Enum[numberOfPixels];
long currentPixelIndex = 0;
for (image_size_t y = 0; y < rasterImg.GetHeight(); ++y) {
for (image_size_t x = 0; x < rasterImg.GetWidth(); ++x) {
pixelMap[currentPixelIndex] = bwRecognizer.GetPotraceColor(rasterImg.GetColor(x, y));
++currentPixelIndex;
}
}
isInvertedMap = new bool[numberOfPixels];
for (long i = 0; i < numberOfPixels; ++i) {
isInvertedMap[i] = false;
}
}