InvertedLuminanceSource.cpp Example File
appdemos/qtws/QZXing/zxing/zxing/InvertedLuminanceSource.cpp
#include <zxing/ZXing.h>
#include <zxing/InvertedLuminanceSource.h>
using zxing::boolean;
using zxing::Ref;
using zxing::ArrayRef;
using zxing::LuminanceSource;
namespace zxing {
InvertedLuminanceSource::InvertedLuminanceSource(Ref<LuminanceSource> const& delegate_)
: Super(delegate_->getWidth(), delegate_->getHeight()), delegate(delegate_) {}
ArrayRef<byte> InvertedLuminanceSource::getRow(int y, ArrayRef<byte> row) const {
row = delegate->getRow(y, row);
int width = getWidth();
for (int i = 0; i < width; i++) {
row[i] = (byte) (255 - (row[i] & 0xFF));
}
return row;
}
ArrayRef<byte> InvertedLuminanceSource::getMatrix() const {
ArrayRef<byte> matrix = delegate->getMatrix();
int length = getWidth() * getHeight();
ArrayRef<byte> invertedMatrix(length);
for (int i = 0; i < length; i++) {
invertedMatrix[i] = (byte) (255 - (matrix[i] & 0xFF));
}
return invertedMatrix;
}
zxing::boolean InvertedLuminanceSource::isCropSupported() const {
return delegate->isCropSupported();
}
Ref<LuminanceSource> InvertedLuminanceSource::crop(int left, int top, int width, int height) const {
return Ref<LuminanceSource>(new InvertedLuminanceSource(delegate->crop(left, top, width, height)));
}
boolean InvertedLuminanceSource::isRotateSupported() const {
return delegate->isRotateSupported();
}
Ref<LuminanceSource> InvertedLuminanceSource::invert() const {
return delegate;
}
Ref<LuminanceSource> InvertedLuminanceSource::rotateCounterClockwise() const {
return Ref<LuminanceSource>(new InvertedLuminanceSource(delegate->rotateCounterClockwise()));
}
}