void verifyImagePixels(const ImageType& image, unsigned int startX,
unsigned int startY, unsigned int endX, unsigned int endY,
ImageFunction expectedPixels) {
for (auto x = startX; x < endX; ++x) {
for (auto y = startY; y < endY; ++y) {
auto pixelValue = image.getPixelValue(x, y);
auto expectedPixelValue = expectedPixels(x, y);
assertThat(pixelValue).isEqualTo(expectedPixelValue);
}
}
}
PixelType getPixelValue(const ImageType& image, unsigned int x,
unsigned int y) override {
auto coordinate = Coordinate(x, y);
return image.getPixelValue(coordinate);
}