57 lines
1.9 KiB
C++
57 lines
1.9 KiB
C++
#pragma once
|
|
#include <FastLED.h>
|
|
|
|
#include "Geometry.h"
|
|
|
|
struct CoordinateMapping {
|
|
virtual VirtualCoordinates physicalToVirtualCoords(const PhysicalCoordinates localCoords) const = 0;
|
|
virtual PhysicalCoordinates virtualToPhysicalCoords(const VirtualCoordinates virtualCoords) const = 0;
|
|
virtual int physicalCoordsToIndex(const PhysicalCoordinates localCoords) const = 0;
|
|
virtual unsigned int physicalPixelCount() const = 0;
|
|
};
|
|
|
|
struct LinearCoordinateMapping: CoordinateMapping {
|
|
unsigned int pixelCount = 1;
|
|
unsigned int startPixel = 0;
|
|
LinearCoordinateMapping() {}
|
|
LinearCoordinateMapping(unsigned int count, unsigned int start) : pixelCount(count), startPixel(start) {}
|
|
VirtualCoordinates physicalToVirtualCoords(const PhysicalCoordinates localCoords) const {
|
|
return VirtualCoordinates{(uint8_t)((localCoords.x) / pixelCount), 0};
|
|
}
|
|
|
|
PhysicalCoordinates virtualToPhysicalCoords(const VirtualCoordinates virtualCoords) const {
|
|
return PhysicalCoordinates{scale8(pixelCount, virtualCoords.x), 0};
|
|
}
|
|
|
|
int physicalCoordsToIndex(const PhysicalCoordinates localCoords) const override {
|
|
return localCoords.x + startPixel;
|
|
}
|
|
|
|
unsigned int physicalPixelCount() const {
|
|
return pixelCount;
|
|
}
|
|
};
|
|
|
|
class Display {
|
|
public:
|
|
|
|
Display(CRGB* pixels, int pixelCount, const CoordinateMapping* map)
|
|
: m_pixels(pixels), m_pixelCount(pixelCount), m_coordMap(map) {}
|
|
|
|
CRGB& pixelAt(const PhysicalCoordinates coords);
|
|
CRGB& pixelAt(const VirtualCoordinates coords);
|
|
CRGB& pixelAt(int idx);
|
|
|
|
int pixelCount() const;
|
|
CRGB* pixelBacking() const;
|
|
const CoordinateMapping* coordinateMapping() const;
|
|
void clear();
|
|
void clear(const CRGB& color);
|
|
void clear(VirtualCoordinates& start, VirtualCoordinates& end, const CRGB& color);
|
|
|
|
private:
|
|
CRGB* m_pixels;
|
|
int m_pixelCount;
|
|
const CoordinateMapping* m_coordMap;
|
|
};
|