#include "WindowPixelManager.h"

namespace LifeCore {
	WindowPixelManager::WindowPixelManager(WindowWin* wnd, int bpp) 
		:window(wnd)
	{
		hwnd = (HWND)(window->GetWindowHandle());

		::ZeroMemory(&bitmapInfo, sizeof(BITMAPINFOHEADER));
		bitmapInfo.biSize = sizeof(BITMAPINFOHEADER);
		bitmapInfo.biWidth = wnd->GetWidth();
		bitmapInfo.biHeight = -wnd->GetHeight();
		bitmapInfo.biPlanes = 1;
		bitmapInfo.biBitCount = bpp;
		bitmapInfo.biCompression = 0;
		bitmapInfo.biSizeImage = wnd->GetWidth() * wnd->GetHeight() * (bpp / 8);

		info.bmiHeader = bitmapInfo;

		context = ::GetDC(hwnd);
	}

	void WindowPixelManager::SetPixels(int width, int height, void* pixels) {

		bitmapInfo.biWidth = width;
		bitmapInfo.biHeight = -height;
		bitmapInfo.biSizeImage = width * height * (bitmapInfo.biBitCount / 8);
		info.bmiHeader = bitmapInfo;

		SetDIBitsToDevice(context, 0, 0, width, height, 0, 0, 0, height, pixels, &info, 0);
	}

	/**/
}