#include?“stdafx.h“
#include?“included.h“
#include?


#define?PI_F???????3.1415926f

static?const?WCHAR*?FACE_TEXT?=?LR“face_text（面部旋轉(zhuǎn):
????Picth:?%03.03f
????Yaw:?%03.03f
????Roll:?%03.03f
面部屬性:
????表情高興:?%s
????Engaged:?%s
????戴著眼鏡:?%s
????左眼閉著:?%s
????右眼閉著:?%s
????張著嘴巴:?%s
????嘴巴在動:?%s
????看著一邊:?%s
）face_text“;

static?const?WCHAR*?RRSULT_TEXT[]?=?{
????L“未知“
????L“確定不“
????L“不確定“
????L“確定“
};


//?ImageRender類構(gòu)造函數(shù)
ImageRenderer::ImageRenderer（）{
????ZeroMemory（face_data?sizeof（face_data））;
	//?創(chuàng)建資源
	m_hrInit?=?CreateDeviceIndependentResources（）;
????//?創(chuàng)建緩沖區(qū)
????m_pColorRGBX?=?new?RGBQUAD[IMAGE_WIDTH*IMAGE_HEIGHT];
????if?（!m_pColorRGBX）?m_hrInit?=?E_OUTOFMEMORY;
????m_timer.Start（）;
}


//?創(chuàng)建設(shè)備無關(guān)資源
HRESULT?ImageRenderer::CreateDeviceIndependentResources（）{
	HRESULT?hr?=?S_OK;

	//?創(chuàng)建?Direct2D?工廠.
	hr?=?D2D1CreateFactory（D2D1_FACTORY_TYPE_SINGLE_THREADED?&m_pD2DFactory）;

	if?（SUCCEEDED（hr））
	{
		//?創(chuàng)建?WIC?工廠.
		hr?=?CoCreateInstance（
			CLSID_WICImagingFactory
			NULL
			CLSCTX_INPROC_SERVER
			IID_IWICImagingFactory
			reinterpret_cast（&m_pWICFactory）
			）;
	}

	if?（SUCCEEDED（hr））
	{
		//?創(chuàng)建?DirectWrite?工廠.
		hr?=?DWriteCreateFactory（
			DWRITE_FACTORY_TYPE_SHARED
			__uuidof（m_pDWriteFactory）
			reinterpret_cast（&m_pDWriteFactory）
			）;
	}

	if?（SUCCEEDED（hr））
	{
		//?創(chuàng)建正文文本格式.
		hr?=?m_pDWriteFactory->CreateTextFormat（
			L“Microsoft?YaHei“
			nullptr
			DWRITE_FONT_WEIGHT_NORMAL
			DWRITE_FONT_style_NORMAL
			DWRITE_FONT_STRETCH_NORMAL
			45.f
			L““?//locale
			&m_pTextFormatMain
			）;
	}

	return?hr;
}

//?從文件讀取位圖
HRESULT?ImageRenderer::LoadBitmapFromFile（
	ID2D1RenderTarget?*pRenderTarget
	IWICImagingFactory?*pIWICFactory
	PCWSTR?uri
	UINT?destinationWidth
	UINT?destinationHeight
	ID2D1Bitmap?**ppBitmap
	）
{
	IWICBitmapDecoder?*pDecoder?=?NULL;
	IWICBitmapframeDecode?*pSource?=?NULL;
	IWICStream?*pStream?=?NULL;
	IWICFormatConverter?*pConverter?=?NULL;
	IWICBitmapScaler?*pScaler?=?NULL;

	HRESULT?hr?=?pIWICFactory->CreateDecoderFromFilename（
		uri
		NULL
		GENERIC_READ
		WICDecodemetadataCacheonload
		&pDecoder
		）;

	if?（SUCCEEDED（hr））
	{
		hr?=?pDecoder->Getframe（0?&pSource）;
	}
	if?（SUCCEEDED（hr））
	{
		hr?=?pIWICFactory->CreateFormatConverter（&pConverter）;
	}


	if?（SUCCEEDED（hr））
	{
		if?（destinationWidth?!=?0?||?destinationHeight?!=?0）
		{
			UINT?originalWidth?originalHeight;
			hr?=?pSource->GetSize（&originalWidth?&originalHeight）;
			if?（SUCCEEDED（hr））
			{
				if?（destinationWidth?==?0）
				{
					FLOAT?scalar?=?static_cast（destinationHeight）?/?static_cast（originalHeight）;
					destinationWidth?=?static_cast（scalar?*?static_cast（originalWidth））;
				}
				else?if?（destinationHeight?==?0）
				{
					FLOAT?scalar?=?static_cast（destinationWidth）?/?static_cast（originalWidth）;
					destination