Move source files into folder

src/PixelAttributes.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <climits>
+#include <cstdint>
+
+#define BLOCK_SIZE 16
+
+struct PixelAttribute {
+	PixelAttribute() : height(INT16_MIN), thickness(0) {};
+
+	int16_t height;
+	uint8_t thickness;
+
+	inline bool valid_height() const {
+		return height != INT16_MIN;
+	}
+};
+
+class PixelAttributes
+{
+public:
+	PixelAttributes();
+	virtual ~PixelAttributes();
+
+	void setWidth(int width);
+	void scroll();
+
+	inline PixelAttribute &attribute(int z, int x) {
+		return m_pixelAttributes[z + 1][x + 1];
+	};
+
+private:
+	void freeAttributes();
+
+private:
+	enum Line {
+		FirstLine = 0,
+		LastLine = BLOCK_SIZE,
+		EmptyLine = BLOCK_SIZE + 1,
+		LineCount = BLOCK_SIZE + 2
+	};
+	PixelAttribute *m_pixelAttributes[BLOCK_SIZE + 2]; // 1px gradient + empty
+	int m_width;
+};