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src/maths/LMPacker.h

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+/*
+    C++ LMPacker port
+        https://github.com/MihailRis/LMPacker
+*/
+#ifndef LMPACKER_H_
+#define LMPACKER_H_
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <vector>
+
+struct rectangle {
+	int x;
+	int y;
+	int width;
+	int height;
+	int extX = 0;
+	int extY = 0;
+
+	rectangle(int x, int y, int width, int height)
+		: x(x), y(y), width(width), height(height){
+	}
+};
+
+class LMPacker {
+	std::vector<rectangle> rects;
+	std::vector<rectangle*> placed;
+	uint32_t width = 0;
+	uint32_t height = 0;
+	rectangle*** matrix = nullptr;
+	uint32_t mbit = 0;
+
+	void cleanup();
+	bool place(rectangle* rect, uint32_t vstep);
+public:
+	LMPacker(const uint32_t sizes[], size_t length);
+	virtual ~LMPacker();
+
+	bool buildCompact(uint32_t width, uint32_t height, uint16_t extension) {
+		return build(width, height, extension, 0, 1);
+	}
+	bool buildFast(uint32_t width, uint32_t height, uint16_t extension) {
+		return build(width, height, extension, 1, 2);
+	}
+	bool build(uint32_t width, uint32_t height, uint16_t extension, uint32_t mbit, uint32_t vstep);
+
+	std::vector<rectangle> getResult() {
+		return rects;
+	}
+};
+
+#endif /* LMPACKER_H_ */