#include "CameraEwclib2.h"

//EWCLIB 2.0
//website: http://www.geocities.jp/in_subaru/
//vector : http://www.vector.co.jp/soft/winnt/prog/se363340.html
#include "ewclib.h"

CameraEwclib2::CameraEwclib2(int index, int width, int height, double fps, int device, GUID mstype)
{
	_index = index;
	_width = width;
	_height = height;
	_fps = fps;
	
	/*
	http://msdn.microsoft.com/en-us/library/dd407253(VS.85).aspx
	
	RGB Formats With No Alpha Channel
	The following subtypes define uncompressed RGB formats.
	GUID                  Description
	MEDIASUBTYPE_RGB1     RGB, 1 bit per pixel (bpp), palettized
	MEDIASUBTYPE_RGB4     RGB, 4 bpp, palettized
	MEDIASUBTYPE_RGB8     RGB, 8 bpp
	MEDIASUBTYPE_RGB555   RGB 555, 16 bpp
	MEDIASUBTYPE_RGB565   RGB 565, 16 bpp
	MEDIASUBTYPE_RGB24    RGB, 24 bpp
	MEDIASUBTYPE_RGB32    RGB, 32 bpp
	
	RGB Formats With Alpha Channel
	GUID                       Description
	MEDIASUBTYPE_ARGB1555      RGB 555 with alpha channel
	MEDIASUBTYPE_ARGB32        RGB 32 with alpha channel
	MEDIASUBTYPE_ARGB4444      16-bit RGB with alpha channel; 4 bits per channel
	MEDIASUBTYPE_A2R10G10B10   32-bit RGB with alpha channel; 10 bits per RGB channel plus 2 bits for alpha.
	MEDIASUBTYPE_A2B10G10R10   32-bit RGB with alpha channel; 10 bits per RGB channel plus 2 bits for alpha.
	
	OpenCV IplImage Support
	IPL_DEPTH_8U, IPL_DEPTH_8S, IPL_DEPTH_16S, IPL_DEPTH_32S, IPL_DEPTH_32F and IPL_DEPTH_64F
	*/
	
	int depth   = IPL_DEPTH_8U;
	int channel = 3;
	if      (mstype == MEDIASUBTYPE_RGB24      ) { depth = IPL_DEPTH_8U; channel = 3; }
	else if (mstype == MEDIASUBTYPE_RGB32      ) { depth = IPL_DEPTH_8U; channel = 4; }
	else if (mstype == MEDIASUBTYPE_ARGB32     ) { depth = IPL_DEPTH_8U; channel = 4; }
	else if (mstype == MEDIASUBTYPE_RGB1       ) { } //not supported
	else if (mstype == MEDIASUBTYPE_RGB4       ) { } //not supported
	else if (mstype == MEDIASUBTYPE_RGB8       ) { } //not supported
	else if (mstype == MEDIASUBTYPE_RGB555     ) { } //not supported
	else if (mstype == MEDIASUBTYPE_RGB565     ) { } //not supported
	else if (mstype == MEDIASUBTYPE_ARGB1555   ) { } //not supported
	else if (mstype == MEDIASUBTYPE_ARGB4444   ) { } //not supported
	else if (mstype == MEDIASUBTYPE_A2R10G10B10) { } //not supported
	else if (mstype == MEDIASUBTYPE_A2B10G10R10) { } //not supported
	
	EWC_Open(_index, _width, _height, _fps, device, mstype);
	_buffer = new char[EWC_GetBufferSize(_index)];
	_image = cvCreateImage(cvSize(_width, _height), depth, channel);
};

CameraEwclib2::~CameraEwclib2(void)
{
	EWC_Close(_index);
	cvReleaseImage(&_image);
	delete _buffer;
};

IplImage* CameraEwclib2::capture(bool mirror)
{
	EWC_GetImage(_index, _buffer);
	_image->imageData = _buffer;
	if (mirror) cvFlip(_image, _image, 1);
	return _image;
};