code_128b_view.h
746 Bytes
#ifndef HARDWARE_TEST_CODE_128B_VIEW_H
#define HARDWARE_TEST_CODE_128B_VIEW_H
#include <escher.h>
namespace HardwareTest {
class Code128BView : public View {
public:
Code128BView();
void drawRect(KDContext * ctx, KDRect rect) const override;
void setData(const char * data);
void layoutSubviews() override;
private:
static constexpr KDCoordinate charPatternWidth = 11;
void updateModuleWidth();
int checksum() const;
void drawQuietZoneAt(KDContext * ctx, KDCoordinate * x) const;
void drawPatternAt(KDContext * ctx, uint16_t pattern, KDCoordinate * x, KDCoordinate width = charPatternWidth) const;
void drawCharAt(KDContext * ctx, char c, KDCoordinate * x) const;
int m_moduleWidth;
const char * m_data;
};
}
#endif