Initial commit

2017-04-28 18:45:26 +02:00
commit 37fe983738
23 changed files with 1319 additions and 0 deletions
@@ -0,0 +1,50 @@
+#ifndef INPUTIMAGE_H
+#define INPUTIMAGE_H
+
+#include <string>
+#include <vector>
+#include <jpeglib.h>
+
+class inputImage
+{
+public:
+	inputImage();
+
+	void setImageData(const std::string& data);
+
+	unsigned int width() const;
+	unsigned int height() const;
+	unsigned int strideX() const;
+	unsigned int strideY() const;
+	const std::vector<char>& data() const;
+
+private:
+	struct source_mgr
+	{
+		struct jpeg_source_mgr pub;
+		const JOCTET *data;
+		size_t len;
+	};
+	typedef source_mgr* source_mgr_ptr;
+
+private:
+	static void init_source(j_decompress_ptr pCinfo);
+	static boolean fill_input_buffer(j_decompress_ptr pCinfo);
+	static void skip_input_data(j_decompress_ptr pCinfo, long numBytes);
+	static void term_source(j_decompress_ptr pCinfo);
+
+	void setSourceMgr(j_decompress_ptr pCinfo, const char* pData, size_t len) const;
+
+	void decompressImage(const char* pData, size_t len);
+
+private:
+	unsigned int m_width;
+	unsigned int m_height;
+	unsigned int m_strideX;
+	unsigned int m_strideY;
+
+	std::vector<char> m_data;
+};
+
+#endif // INPUTIMAGE_H
+