Initial MSVC 2008 projects workspace

l2ooghelper/PngJpegImage.h

@@ -0,0 +1,43 @@
+#ifndef H_PNGIMAGE
+#define H_PNGIMAGE
+
+class PngJpegImage
+{
+public:
+	PngJpegImage();
+	PngJpegImage( const char *fileName );
+	~PngJpegImage();
+	bool readFile_PNG( const char *fileName );
+	bool readFile_JPEG( const char *fileName );
+	bool freeImage();
+	bool displayOn( HDC hdc, int x0, int y0 );
+	bool getParams( int *w, int *h, int *bpp, int *ch ) const;
+	bool getFileName( char *out, size_t cchMax ) const;
+protected:
+	void initnull();
+	void freeself();
+protected:
+	int number;
+	unsigned char b_header[12];
+	char          m_filename[512];
+	// lib PNG
+		png_structp   png_ptr;
+		png_infop     info_ptr;
+		// info
+		int width;
+		int height;
+		int bit_depth;
+		int rowbytes;
+		int channels;
+		int color_type; // depends on image type - png or jpeg have own constants :(
+		// image data
+		unsigned char     **row_pointers;
+	// lib JPEG
+		jpeg_decompress_struct jpeg_cinfo;
+		jpeg_error_mgr         jpeg_err;
+	// image type
+	int image_is_png;
+	int image_is_jpeg;
+};
+
+#endif