xref: /MusicPlayer2/MusicPlayer2/LyricsWindow.cpp (revision 92e19456079168bf546d931fbee79283958d6fc2) 
1 // LyricsWindow.cpp : ʵ���ļ�
2 //
3 
4 #include "stdafx.h"
5 #include "LyricsWindow.h"
6 
7 // CLyricsWindow
8 
9 const Gdiplus::REAL TRANSLATE_FONT_SIZE_FACTOR = 0.88f;		//��ʷ����ı���Сռ����ı���С�ı���
10 
11 IMPLEMENT_DYNAMIC(CLyricsWindow, CWnd)
12 
13 CLyricsWindow::CLyricsWindow()
14 {
15 	HDC hDC=::GetDC(NULL);
16 	m_hCacheDC=::CreateCompatibleDC(hDC);
17 	::ReleaseDC(NULL,hDC);
18 	//---------------------------------
19 	m_nHighlight=NULL ; //������ʵİٷֱ� 0--100
20 	m_TextGradientMode=LyricsGradientMode_Two ; //��ͨ��ʽ���ģʽ
21 	m_pTextPen=NULL ; //��ͨ��ʱ߿���
22 	m_HighlightGradientMode=LyricsGradientMode_Two ; //������ʽ���ģʽ
23 	m_pHighlightPen=NULL ; //������ʱ߿���
24 	m_pShadowBrush=NULL ; //��Ӱ��ˢ,GDIPlus��ˢ
25 	m_nShadowOffset=1 ; //��Ӱƫ��
26 	m_pFont=NULL ; //GDIPlus����
27 	m_FontStyle=NULL ;
28 	m_FontSize=NULL ;
29 	m_pTextFormat=NULL;
30 	//---------------------------------
31 	m_pFontFamily=new Gdiplus::FontFamily();
32 	m_pTextFormat=new Gdiplus::StringFormat();
33 	m_pTextFormat->SetFormatFlags(Gdiplus::StringFormatFlagsNoWrap);//������
34 	m_pTextFormat->SetAlignment(Gdiplus::StringAlignmentCenter); //��ˮƽ���뷽ʽ
35 	m_pTextFormat->SetLineAlignment(Gdiplus::StringAlignmentNear); //�ô�ֱ���뷽ʽ
36 	//---------------------------------
37 	//SetLyricsFont(L"΢���ź�", 40, Gdiplus::FontStyle::FontStyleRegular);
38 	//SetLyricsColor(Gdiplus::Color::Red,Gdiplus::Color(255,172,0),LyricsGradientMode_Three);
39 	//SetLyricsBorder(Gdiplus::Color::Black,1);
40 	SetLyricsShadow(Gdiplus::Color(150,0,0,0),1);
41 	//SetHighlightColor(Gdiplus::Color(255,100,26),Gdiplus::Color(255,255,0),LyricsGradientMode_Three);
42 	//SetHighlightBorder(Gdiplus::Color::Black,1);
43 
44 }
45 
46 CLyricsWindow::~CLyricsWindow()
47 {
48 	if(m_pTextPen){
49 		delete m_pTextPen;
50 		m_pTextPen=NULL;
51 	}
52 	if(m_pHighlightPen){
53 		delete m_pHighlightPen;
54 		m_pHighlightPen=NULL;
55 	}
56 	if(m_pShadowBrush){
57 		delete m_pShadowBrush;
58 		m_pShadowBrush=NULL;
59 	}
60 	if(m_pFontFamily){
61 		delete m_pFontFamily;
62 		m_pFontFamily=NULL;
63 	}
64 	if(m_pTextFormat){
65 		delete m_pTextFormat;
66 		m_pTextFormat=NULL;
67 	}
68 	if(m_pFont){
69 		delete m_pFont;
70 		m_pFont=NULL;
71 	}
72 }
73 
74 
75 BEGIN_MESSAGE_MAP(CLyricsWindow, CWnd)
76 	ON_WM_LBUTTONDOWN()
77 END_MESSAGE_MAP()
78 
79 
80 
81 BOOL CLyricsWindow::Create(int nHeight)
82 {
83 	return CLyricsWindow::Create(_T("CometLyricsWindow"), -1, nHeight);
84 }
85 BOOL CLyricsWindow::Create(LPCTSTR lpszClassName)
86 {
87 	return CLyricsWindow::Create(lpszClassName,-1,-1);
88 }
89 BOOL CLyricsWindow::Create(LPCTSTR lpszClassName,int nWidth,int nHeight)
90 {
91 	if(!RegisterWndClass(lpszClassName))
92 	{
93 		TRACE("Class��Registration��Failedn");
94 	}
95 
96 	//--------------------------------------------
97 	//ȡ�����湤������
98 	RECT rcWork;
99 	SystemParametersInfo (SPI_GETWORKAREA,NULL,&rcWork,NULL);
100 	int nWorkWidth=rcWork.right-rcWork.left;
101 	int nWorkHeight=rcWork.bottom-rcWork.top;
102 	//δ���ݿ�ȡ��߶Ȳ���ʱ���ø�Ĭ��ֵ
103 	if(nWidth<0)nWidth=nWorkWidth*2/3;      //Ĭ�Ͽ��Ϊ�����ȵ�2/3
104 	if(nHeight<0)nHeight=150;
105 	//������ߡ�����λ��,�ô�������Ļ�·�
106 	int x=rcWork.left+( (nWorkWidth-nWidth)/2 );
107 	int y=rcWork.bottom-nHeight;
108 	//--------------------------------------------
109 	DWORD dwStyle=WS_POPUP|WS_VISIBLE|WS_THICKFRAME;
110 	DWORD dwExStyle=WS_EX_TOOLWINDOW|WS_EX_TOPMOST|WS_EX_LAYERED;
111     BOOL rtn = CWnd::CreateEx(dwExStyle, lpszClassName, NULL, dwStyle, x, y, nWidth, nHeight, NULL, NULL);
112 
113     return rtn;
114 }
115 BOOL CLyricsWindow::RegisterWndClass(LPCTSTR lpszClassName)
116 {
117 	HINSTANCE hInstance=AfxGetInstanceHandle();
118 	WNDCLASSEX wndcls;
119 	memset(&wndcls,0,sizeof(WNDCLASSEX));
120 	wndcls.cbSize=sizeof(WNDCLASSEX);
121 	if(GetClassInfoEx(hInstance,lpszClassName,&wndcls))
122 	{
123 		return TRUE;
124 	}
125 	if(GetClassInfoEx(NULL,lpszClassName,&wndcls))
126 	{
127 		return TRUE;
128 	}
129 
130 	wndcls.style=CS_DBLCLKS|CS_HREDRAW|CS_VREDRAW;
131 	wndcls.lpfnWndProc=::DefWindowProc;
132 	wndcls.hInstance=hInstance;
133 	wndcls.hIcon=NULL;
134 	wndcls.hCursor=::LoadCursor(NULL,IDC_ARROW);
135 	wndcls.hbrBackground=(HBRUSH)(COLOR_BTNFACE+1);
136 	wndcls.lpszMenuName=NULL;
137 	wndcls.lpszClassName=lpszClassName;
138 	if(!RegisterClassEx(&wndcls))
139 	{
140 		return FALSE;
141 	}
142 	return TRUE;
143 }
144 
145 
146 //���¸��(����ı�,�������Ȱٷֱ�)
147 void CLyricsWindow::UpdateLyrics(LPCTSTR lpszLyrics,int nHighlight)
148 {
149     m_lpszLyrics = lpszLyrics;
150     UpdateLyrics(nHighlight);
151 }
152 //���¸�������(�������Ȱٷֱ�)
153 void CLyricsWindow::UpdateLyrics(int nHighlight)
154 {
155 	m_nHighlight=nHighlight;
156 	if(m_nHighlight<0)
157 		m_nHighlight=0;
158 	if(m_nHighlight>1000)
159 		m_nHighlight=1000;
160 	Draw();
161 }
162 
163 void CLyricsWindow::UpdateLyricTranslate(LPCTSTR lpszLyricTranslate)
164 {
165 	m_strTranslate = lpszLyricTranslate;
166 }
167 
168 //�ػ���ʴ���
169 void CLyricsWindow::Draw()
170 {
171 	//CRect rcWindow;
172 	GetWindowRect(m_rcWindow);
173 	m_nWidth= m_rcWindow.Width();
174 	m_nHeight= m_rcWindow.Height();
175     CRect rcClient;
176     GetClientRect(rcClient);
177     m_frameSize.cx = (m_rcWindow.Width() - rcClient.Width()) / 2;
178     m_frameSize.cy = (m_rcWindow.Height() - rcClient.Height()) / 2;
179 
180 	//----------------------------------
181 	BITMAPINFO bitmapinfo;
182 	bitmapinfo.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
183 	bitmapinfo.bmiHeader.biBitCount = 32;
184 	bitmapinfo.bmiHeader.biHeight = m_nHeight;
185 	bitmapinfo.bmiHeader.biWidth = m_nWidth;
186 	bitmapinfo.bmiHeader.biPlanes = 1;
187 	bitmapinfo.bmiHeader.biCompression=BI_RGB;
188 	bitmapinfo.bmiHeader.biXPelsPerMeter=0;
189 	bitmapinfo.bmiHeader.biYPelsPerMeter=0;
190 	bitmapinfo.bmiHeader.biClrUsed=0;
191 	bitmapinfo.bmiHeader.biClrImportant=0;
192 	bitmapinfo.bmiHeader.biSizeImage = bitmapinfo.bmiHeader.biWidth * bitmapinfo.bmiHeader.biHeight * bitmapinfo.bmiHeader.biBitCount / 8;
193 	HBITMAP hBitmap=CreateDIBSection (m_hCacheDC,&bitmapinfo, 0,NULL, 0, 0);
194 	HBITMAP hOldBitmap = (HBITMAP)SelectObject (m_hCacheDC,hBitmap);
195 	//----------------------------------
196 	Gdiplus::Graphics* pGraphics=new Gdiplus::Graphics(m_hCacheDC);
197 	pGraphics->SetSmoothingMode (Gdiplus::SmoothingModeAntiAlias);
198 	pGraphics->SetTextRenderingHint (Gdiplus::TextRenderingHintAntiAlias);
199 
200     PreDrawLyric(pGraphics);
201     if (m_bDoubleLine && !m_strNextLyric.IsEmpty())
202         DrawLyricsDoubleLine(pGraphics);
203     else
204         DrawLyrics(pGraphics);
205     AfterDrawLyric(pGraphics);
206 
207 	delete pGraphics;
208 	//----------------------------------
209 	//����͸������
210 	CPoint DestPt(0,0);
211 	CSize psize(m_nWidth,m_nHeight);
212 	BLENDFUNCTION blendFunc32bpp;
213 	blendFunc32bpp.AlphaFormat = AC_SRC_ALPHA;
214 	blendFunc32bpp.BlendFlags = 0;
215 	blendFunc32bpp.BlendOp = AC_SRC_OVER;
216 	blendFunc32bpp.SourceConstantAlpha = m_alpha;
217 	HDC hDC=::GetDC(m_hWnd);
218 	::UpdateLayeredWindow(m_hWnd,hDC,NULL,&psize,m_hCacheDC,&DestPt,0,&blendFunc32bpp,ULW_ALPHA);
219 	//----------------------------------
220 	//�ͷ���Դ
221 	::SelectObject (m_hCacheDC,hOldBitmap);
222 	::DeleteObject(hBitmap);
223 	::ReleaseDC(m_hWnd,hDC);
224 }
225 
226 void CLyricsWindow::DrawLyricText(Gdiplus::Graphics* pGraphics, LPCTSTR strText, Gdiplus::RectF rect, bool bDrawHighlight, bool bDrawTranslate)
227 {
228 	Gdiplus::REAL fontSize = bDrawTranslate ? m_FontSize * TRANSLATE_FONT_SIZE_FACTOR : m_FontSize;
229 	if (fontSize < 1)
230 		fontSize = m_FontSize;
231 
232     Gdiplus::REAL textWidth = rect.Width;
233     Gdiplus::REAL highlighWidth = rect.Width * m_nHighlight / 1000;
234 
235     if (!bDrawHighlight && !bDrawTranslate)
236     {
237         if (rect.X < 0)
238             rect.X = 0;
239     }
240     else
241     {
242         //����ı���ȴ��ڿؼ���ȣ���Ҫ���ݷָ��λ�ù����ı�
243         if (textWidth > m_nWidth)
244         {
245             //����ָ��λ�ã���ʽ��ȣ�ʣ�µĿ���Ѿ�С�ڿؼ���ȵ�һ�룬��ʱʹ�ı��Ҳ�Ϳؼ��Ҳ����
246             if (textWidth - highlighWidth < m_nWidth / 2)
247             {
248                 rect.X = m_nWidth - textWidth;
249             }
250             //�ָ�λ��ʣ�µĿ�Ȼ�û�е�С�ڿؼ���ȵ�һ�룬���Ƿָ�λ�õĿ���Ѿ����ڿؼ���ȵ�һ��ʱ����Ҫ�ƶ��ı�ʹ�ָ�λ�������ڿؼ����м�
251             else if (highlighWidth > m_nWidth / 2)
252             {
253                 rect.X = m_nWidth / 2 - highlighWidth;
254             }
255             //�ָ�λ�û������ؼ���ȵ�һ��ʱ��ʹ�ı����Ϳؼ�������
256             else
257             {
258                 rect.X = 0;
259             }
260         }
261     }
262 
263 	//-----------------------------------------------------------
264 	//������Ӱ
265 	if (m_pShadowBrush) {
266 		Gdiplus::RectF layoutRect(0, 0, 0, 0);
267 		layoutRect = rect;
268 		layoutRect.X = layoutRect.X + m_nShadowOffset;
269 		layoutRect.Y = layoutRect.Y + m_nShadowOffset;
270 		Gdiplus::GraphicsPath* pShadowPath = new Gdiplus::GraphicsPath(Gdiplus::FillModeAlternate);//����·��
271 		pShadowPath->AddString(strText, -1, m_pFontFamily, m_FontStyle, fontSize, layoutRect, m_pTextFormat); //�����ּ���·��
272 		pGraphics->FillPath(m_pShadowBrush, pShadowPath);//���·��
273 		delete pShadowPath; //����·��
274 	}
275 
276 	//-----------------------------------------------------------
277 	//�������
278 	Gdiplus::GraphicsPath* pStringPath = new Gdiplus::GraphicsPath(Gdiplus::FillModeAlternate);//����·��
279 	pStringPath->AddString(strText, -1, m_pFontFamily, m_FontStyle, fontSize, rect, m_pTextFormat); //�����ּ���·��
280 	if (m_pTextPen) {
281 		pGraphics->DrawPath(m_pTextPen, pStringPath);//��·��,���ֱ߿�
282 	}
283 	Gdiplus::Brush* pBrush = CreateGradientBrush(m_TextGradientMode, m_TextColor1, m_TextColor2, rect);
284 	pGraphics->FillPath(pBrush, pStringPath);//���·��
285 	delete pBrush;//���ٻ�ˢ
286 	if(bDrawHighlight)
287 		DrawHighlightLyrics(pGraphics, pStringPath, rect);
288 	delete pStringPath; //����·��
289 }
290 
291 //���Ƹ��
292 void CLyricsWindow::DrawLyrics(Gdiplus::Graphics* pGraphics)
293 {
294     int lyricHeight = m_nHeight - m_toobar_height;
295 	//��ȡ�����ֿ�Ⱥ͸߶�
296 	Gdiplus::RectF layoutRect(0,0,0,0);
297 	Gdiplus::RectF boundingBox;
298 	pGraphics->MeasureString (m_lpszLyrics, -1, m_pFont,layoutRect, m_pTextFormat,&boundingBox, 0, 0);
299 	//�����ʻ�����λ��
300 	Gdiplus::RectF dstRect;		//���ֵľ���
301 	Gdiplus::RectF transRect;	//�����ı��ľ���
302     bool bDrawTranslate = m_bShowTranslate && !m_strTranslate.IsEmpty();
303 	if(!bDrawTranslate)
304 	{
305 		dstRect = Gdiplus::RectF((m_nWidth - boundingBox.Width) / 2, m_toobar_height + (lyricHeight - boundingBox.Height) / 2, boundingBox.Width, boundingBox.Height);
306 	}
307 	else
308 	{
309 		Gdiplus::RectF transBoundingBox;
310 		pGraphics->MeasureString(m_strTranslate, -1, m_pFont, layoutRect, m_pTextFormat, &transBoundingBox, 0, 0);
311 		Gdiplus::REAL translateHeight = transBoundingBox.Height * TRANSLATE_FONT_SIZE_FACTOR;
312 		Gdiplus::REAL translateWidth = transBoundingBox.Width * TRANSLATE_FONT_SIZE_FACTOR;
313 		Gdiplus::REAL gapHeight = boundingBox.Height * 0.2f;	//��ʺͷ���֮��ļ�϶
314 		Gdiplus::REAL height = boundingBox.Height + gapHeight + translateHeight;
315 		dstRect = Gdiplus::RectF((m_nWidth - boundingBox.Width) / 2, m_toobar_height + (lyricHeight - height) / 2, boundingBox.Width, boundingBox.Height);
316 		transRect = Gdiplus::RectF((m_nWidth - translateWidth) / 2, dstRect.GetBottom() + gapHeight, translateWidth, translateHeight);
317 	}
318 
319 	DrawLyricText(pGraphics, m_lpszLyrics, dstRect, true);
320 	if (bDrawTranslate)
321 		DrawLyricText(pGraphics, m_strTranslate, transRect, false, true);
322 }
323 
324 void CLyricsWindow::DrawLyricsDoubleLine(Gdiplus::Graphics* pGraphics)
325 {
326     int lyricHeight = m_nHeight - m_toobar_height;
327     static bool bSwap = false;
328     if (m_lyricChangeFlag)      //�����ʷ����˸ı䣬������ǰ��ʺ���һ���ʵ�λ��
329         bSwap = !bSwap;
330     //��ȡ�����ֿ�Ⱥ͸߶�
331     Gdiplus::RectF layoutRect(0, 0, 0, 0);
332     Gdiplus::RectF boundingBox;
333     pGraphics->MeasureString(m_lpszLyrics, -1, m_pFont, layoutRect, m_pTextFormat, &boundingBox, 0, 0);
334     Gdiplus::RectF nextBoundingBox;
335     pGraphics->MeasureString(m_strNextLyric, -1, m_pFont, layoutRect, m_pTextFormat, &nextBoundingBox, 0, 0);
336     //�����ʻ�����λ��
337     Gdiplus::RectF dstRect;		//���ֵľ���
338     Gdiplus::RectF nextRect;	//��һ���ı��ľ���
339 
340     dstRect = Gdiplus::RectF(0, m_toobar_height + (lyricHeight / 2 - boundingBox.Height) / 2, boundingBox.Width, boundingBox.Height);
341     nextRect = Gdiplus::RectF(m_nWidth - nextBoundingBox.Width, dstRect.Y + lyricHeight / 2, nextBoundingBox.Width, nextBoundingBox.Height);
342 
343     if (bSwap)
344     {
345         std::swap(dstRect.Y, nextRect.Y);
346         nextRect.X = 0;
347         dstRect.X = m_nWidth - dstRect.Width;
348     }
349 
350     DrawLyricText(pGraphics, m_lpszLyrics, dstRect, true);
351     DrawLyricText(pGraphics, m_strNextLyric, nextRect, false);
352 }
353 
354 //���Ƹ������
355 void CLyricsWindow::DrawHighlightLyrics(Gdiplus::Graphics* pGraphics,Gdiplus::GraphicsPath* pPath, Gdiplus::RectF& dstRect)
356 {
357 	if(m_nHighlight<=0)return;
358 	Gdiplus::Region* pRegion=NULL;
359 	if(m_nHighlight<1000){
360 		Gdiplus::RectF CliptRect(dstRect);
361 		CliptRect.Width=CliptRect.Width * m_nHighlight / 1000;
362 		pRegion=new Gdiplus::Region(CliptRect);
363 		pGraphics->SetClip(pRegion, Gdiplus::CombineModeReplace);
364 	}
365 	//--------------------------------------------
366 	if(m_pHighlightPen){
367 		pGraphics->DrawPath (m_pHighlightPen,pPath);//��·��,���ֱ߿�
368 	}
369 	Gdiplus::Brush* pBrush = CreateGradientBrush(m_HighlightGradientMode, m_HighlightColor1,m_HighlightColor2,dstRect);
370 	pGraphics->FillPath (pBrush,pPath);//���·��
371 	delete pBrush;//���ٻ�ˢ
372 	//--------------------------------------------
373 	if(pRegion){
374 		pGraphics->ResetClip();
375 		delete pRegion;
376 	}
377 }
378 
379 //�������仭ˢ
380 Gdiplus::Brush* CLyricsWindow::CreateGradientBrush(LyricsGradientMode TextGradientMode,Gdiplus::Color& Color1,Gdiplus::Color& Color2, Gdiplus::RectF& dstRect)
381 {
382 	Gdiplus::PointF pt1;
383 	Gdiplus::PointF pt2;
384 	Gdiplus::Brush* pBrush=NULL;
385 	switch (TextGradientMode)
386 	{
387 	case LyricsGradientMode_Two://��ɫ����
388 		{
389 			Gdiplus::PointF point1(dstRect.X,dstRect.Y);
390 			Gdiplus::PointF point2(dstRect.X,dstRect.Y+dstRect.Height);
391 			pBrush=new Gdiplus::LinearGradientBrush(point1,point2,Color1,Color2);
392 			((Gdiplus::LinearGradientBrush*)pBrush)->SetWrapMode(Gdiplus::WrapModeTileFlipXY);
393 			break;
394 		}
395 
396 	case LyricsGradientMode_Three://��ɫ����
397 		{
398 			Gdiplus::PointF point1(dstRect.X,dstRect.Y);
399 			Gdiplus::PointF point2(dstRect.X,dstRect.Y+dstRect.Height/2);
400 			pBrush=new Gdiplus::LinearGradientBrush(point1,point2,Color1,Color2);
401 			((Gdiplus::LinearGradientBrush*)pBrush)->SetWrapMode(Gdiplus::WrapModeTileFlipXY);
402 			break;
403 		}
404 
405 	default://�޽���
406 		{
407 			pBrush=new Gdiplus::SolidBrush(Color1);
408 			break;
409 		}
410 	}
411 	return pBrush;
412 }
413 
414 //���ø����ɫ
415 void CLyricsWindow::SetLyricsColor(Gdiplus::Color TextColor1)
416 {
417 	CLyricsWindow::SetLyricsColor(TextColor1,Gdiplus::Color::Black,LyricsGradientMode_None);
418 }
419 void CLyricsWindow::SetLyricsColor(Gdiplus::Color TextColor1,Gdiplus::Color TextColor2,LyricsGradientMode TextGradientMode)
420 {
421 	m_TextColor1=TextColor1;
422 	m_TextColor2=TextColor2;
423 	m_TextGradientMode=TextGradientMode;
424 
425 }
426 //���ø�ʱ߿�
427 void CLyricsWindow::SetLyricsBorder(Gdiplus::Color BorderColor, Gdiplus::REAL BorderWidth)
428 {
429 	if(m_pTextPen){
430 		delete m_pTextPen;
431 		m_pTextPen=NULL;
432 	}
433 	if(BorderColor.GetA()>0 && BorderWidth>0)
434 		m_pTextPen=new Gdiplus::Pen(BorderColor,BorderWidth);
435 }
436 //���ø��������ɫ
437 void CLyricsWindow::SetHighlightColor(Gdiplus::Color TextColor1)
438 {
439 	CLyricsWindow::SetHighlightColor(TextColor1,Gdiplus::Color::Black,LyricsGradientMode_None);
440 }
441 void CLyricsWindow::SetHighlightColor(Gdiplus::Color TextColor1,Gdiplus::Color TextColor2,LyricsGradientMode TextGradientMode)
442 {
443 	m_HighlightColor1=TextColor1;
444 	m_HighlightColor2=TextColor2;
445 	m_HighlightGradientMode=TextGradientMode;
446 
447 }
448 //���ø�����ʱ߿�
449 void CLyricsWindow::SetHighlightBorder(Gdiplus::Color BorderColor, Gdiplus::REAL BorderWidth)
450 {
451 	if(m_pHighlightPen){
452 		delete m_pHighlightPen;
453 		m_pHighlightPen=NULL;
454 	}
455 	if(BorderColor.GetA()>0 && BorderWidth>0)
456 		m_pHighlightPen=new Gdiplus::Pen(BorderColor,BorderWidth);
457 }
458 //���ø����Ӱ
459 void CLyricsWindow::SetLyricsShadow(Gdiplus::Color ShadowColor,int nShadowOffset)
460 {
461 	if(m_pShadowBrush){
462 		delete m_pShadowBrush;
463 		m_pShadowBrush=NULL;
464 	}
465 	if(ShadowColor.GetA()>0 && nShadowOffset>0){
466 		m_nShadowOffset=nShadowOffset;
467 		m_pShadowBrush=new Gdiplus::SolidBrush(ShadowColor);
468 	}else{
469 		m_nShadowOffset=0;
470 	}
471 }
472 //���ø������
473 void CLyricsWindow::SetLyricsFont(const WCHAR * familyName, Gdiplus::REAL emSize,INT style, Gdiplus::Unit unit)
474 {
475 	if(m_pFont){
476 		delete m_pFont;
477 		m_pFont=NULL;
478 	}
479 	Gdiplus::FontFamily family(familyName,NULL);
480 	Gdiplus::Status lastResult = family.GetLastStatus();
481 	if (lastResult != Gdiplus::Ok)
482 	{
483 		HFONT hFont=(HFONT)GetStockObject(DEFAULT_GUI_FONT);
484 		LOGFONTW lf;
485 		ZeroMemory(&lf,sizeof(LOGFONTW));
486 		GetObjectW(hFont,sizeof(LOGFONTW),&lf);
487 		Gdiplus::FontFamily family2(lf.lfFaceName,NULL);
488 		m_pFont=new Gdiplus::Font(&family2,emSize,style,unit);
489 	}else{
490 		m_pFont=new Gdiplus::Font(&family,emSize,style,unit);
491 	}
492 	 //----------------
493 	//����һЩ��������,����·��ʱҪ�õ�
494 	m_pFont->GetFamily (m_pFontFamily);
495 	m_FontSize=m_pFont->GetSize ();
496 	m_FontStyle=m_pFont->GetStyle ();
497 
498 
499 
500 }
501 
502 void CLyricsWindow::SetLyricDoubleLine(bool doubleLine)
503 {
504 	m_bDoubleLine = doubleLine;
505 }
506 
507 void CLyricsWindow::SetNextLyric(LPCTSTR lpszNextLyric)
508 {
509 	m_strNextLyric = lpszNextLyric;
510 }
511 
512 void CLyricsWindow::SetShowTranslate(bool showTranslate)
513 {
514     m_bShowTranslate = showTranslate;
515 }
516 
517 void CLyricsWindow::SetAlpha(int alpha)
518 {
519     m_alpha = alpha;
520 }
521 
522 const CString& CLyricsWindow::GetLyricStr() const
523 {
524     return m_lpszLyrics;
525 }
526 
527 void CLyricsWindow::SetLyricChangeFlag(bool bFlag)
528 {
529     m_lyricChangeFlag = bFlag;
530 }
531 
532 void CLyricsWindow::OnLButtonDown(UINT nFlags, CPoint point)
533 {
534 
535 	CWnd::OnLButtonDown(nFlags, point);
536 	//ReleaseCapture();
537 	//SendMessage(WM_NCLBUTTONDOWN,HTCAPTION,NULL);
538 }
539 
540