#include "trasterimage.h"
#include "trop.h"

//---------------------------------------------------------

TRasterImage::TRasterImage()
	: m_mainRaster(), m_patchRaster(), m_iconRaster(), m_dpix(0), m_dpiy(0), m_name(""), m_savebox()
	  //, m_hPos(0.0)
	  ,
	  m_isOpaque(false), m_isScanBW(false), m_offset(0, 0), m_subsampling(1)
{
}

//---------------------------------------------------------

TRasterImage::TRasterImage(const TRasterP &ras)
	: m_mainRaster(ras), m_patchRaster(), m_iconRaster(), m_dpix(0), m_dpiy(0), m_name(""), m_savebox(0, 0, ras->getLx() - 1, ras->getLy() - 1)
	  //, m_hPos(0.0)
	  ,
	  m_isOpaque(false), m_isScanBW(false), m_offset(0, 0), m_subsampling(1)
{
}

void TRasterImage::setRaster(const TRasterP &raster)
{
	m_mainRaster = raster;
	m_savebox = TRect(0, 0, raster->getLx() - 1, raster->getLy() - 1);
}

//---------------------------------------------------------

TRasterImage::TRasterImage(const TRasterImage &src)
	: m_mainRaster(src.m_mainRaster), m_patchRaster(src.m_patchRaster), m_iconRaster(src.m_iconRaster), m_dpix(src.m_dpix), m_dpiy(src.m_dpiy), m_name(src.m_name), m_savebox(src.m_savebox)
	  //, m_hPos(src.m_hPos)
	  ,
	  m_isOpaque(src.m_isOpaque), m_isScanBW(src.m_isScanBW), m_offset(src.m_offset), m_subsampling(src.m_subsampling)
{
	if (m_mainRaster)
		m_mainRaster = m_mainRaster->clone();
	if (m_patchRaster)
		m_patchRaster = m_patchRaster->clone();
	if (m_iconRaster)
		m_iconRaster = m_iconRaster->clone();
}
//---------------------------------------------------------

TRasterImage::~TRasterImage()
{
}

//---------------------------------------------------------

TImage *TRasterImage::cloneImage() const
{
	return new TRasterImage(*this);
}

//---------------------------------------------------------

void TRasterImage::setSubsampling(int s)
{
	m_subsampling = s;
}

//---------------------------------------------------------

void TRasterImage::makeIcon(const TRaster32P &dstRas)
{
#ifndef TNZCORE_LIGHT
	assert(dstRas && dstRas->getLx() > 0 && dstRas->getLy() > 0);

	TRasterP &srcRas = m_mainRaster;
	if (!srcRas || srcRas->getLx() <= 0 || srcRas->getLy() <= 0) {
		dstRas->clear();
		return;
	}

	double dpix = m_dpix, dpiy = m_dpiy;
	if (dpix == 0)
		dpix = 1;
	if (dpiy == 0)
		dpiy = 1;
	double sx = (double)dstRas->getLx() * dpix / (double)srcRas->getLx();
	double sy = (double)dstRas->getLy() * dpiy / (double)srcRas->getLy();
	double sc = std::max(sx, sy);
	TAffine aff = TScale(sc / dpix, sc / dpiy)
					  .place(srcRas->getCenterD(), dstRas->getCenterD());

	TRop::resample(dstRas, srcRas, aff);
#endif
}

//---------------------------------------------------------