//
// This file is modify-able for portting NANA GUI to other
// OS platform system.the only thing you need to do is re-program
// the function below.
//
//
//
#include "stdafx.h"

#include "..\nana\GHAL.h"
#include "GHAL_windows.h"

CWnd *g_pwnd;
void window_GHAL_init(CWnd *pwnd)
{
	g_pwnd = pwnd;
}

extern "C" void GHAL_put_pixel(int x,int y,COLOR color)
{
	CDC *pdc = g_pwnd->GetDC();

	COLORREF c = color?RGB(0,0,0):RGB(255,255,255);

	pdc->SetPixel(x,y,c);

	g_pwnd->ReleaseDC(pdc);
}

extern "C" void GHAL_put_line(int x1,int y1,int x2,int y2,COLOR color)
{
	CDC *pdc = g_pwnd->GetDC();
	COLORREF c = color?RGB(0,0,0):RGB(255,255,255);
	CPen cpen(PS_SOLID,1,c);
	CPen *poldpen = pdc->SelectObject(&cpen);
	pdc->MoveTo(x1,y1);
	pdc->LineTo(x2,y2);
	pdc->SelectObject(poldpen);
	g_pwnd->ReleaseDC(pdc);
}
extern "C"  void GHAL_RefreshAll(void)
{
}
extern "C"  void GHAL_put_bmp(int x1,int y1,PNANA_BITMAP pbmp)
{
	int x,y;
	COLORREF		color;
	unsigned char	*pdata = pbmp->pData;
	unsigned char	cMask;
	unsigned char	cValue;

	CDC *pdc = g_pwnd->GetDC();

	if(pbmp->biBitCount == 1)
	{
		//單色位圖繪制
		for(y=0;y<pbmp->biHeight;y++)
		
		{
			cMask = 0x80;
			cValue = *pdata ++;
			for(x=0;x<pbmp->biWidth;x++)
			{
				if(cMask==0)
				{
					cMask = 0x80;
					cValue = *pdata ++;
				}
				if(pbmp->biReverseColor)
				{
					color = (cValue & cMask)?RGB(255,255,255):RGB(0,0,0);
				}else{
					color = (cValue & cMask)?RGB(0,0,0):RGB(255,255,255);
				}
				pdc->SetPixel(x+x1,y+y1,color);

				cMask = cMask>>1;
			}
		}
	}
	g_pwnd->ReleaseDC(pdc);
	
}