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C++ gdiplus::Image类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中gdiplus::Image类的典型用法代码示例。如果您正苦于以下问题：C++ Image类的具体用法？C++ Image怎么用？C++ Image使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了Image类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: 

// description: load image from file using gdi+
NaImage * NaImage::Load(const wchar_t * filename)
{
	NaImage *pImage = new NaImage;
	HDC hDC = NaScreenModule::GetDesktopDC();
	pImage->m_hMemoryDC = ::CreateCompatibleDC(hDC);

	// initialize gdi+
	Gdiplus::GdiplusStartupInput gdiplusStartupInput;
	ULONG_PTR gdiplusToken;
	GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

	// load image
	Gdiplus::Image* pGdiImage = new Gdiplus::Image(filename);

	// converting to bitmap
	Gdiplus::Bitmap* pGdiBitmap = static_cast<Gdiplus::Bitmap*>(pGdiImage);
	pGdiBitmap->GetHBITMAP(Gdiplus::Color(0, 0, 0), &pImage->m_hBitmap);

	pImage->m_rc.left = 0;
	pImage->m_rc.top = 0;
	pImage->m_rc.right = pGdiImage->GetWidth();
	pImage->m_rc.bottom = pGdiImage->GetHeight();

	// shutdown gdi+
	delete pGdiImage;
	Gdiplus::GdiplusShutdown(gdiplusToken);

	return pImage;
}
开发者ID:neoarc，项目名称:NaMacroJS，代码行数:30，代码来源:NaImage.cpp


示例2: ChangeSubPic

BOOL  COBSButton::ChangeSubPic(STATE index, LPCTSTR lpszImage)
{
	if (m_hWnd == NULL || lpszImage == NULL)
	{
		return FALSE;
	}
	Gdiplus::Image* pImage = Gdiplus::Image::FromFile(lpszImage);
	if ((pImage == NULL) || (pImage->GetLastStatus() != Gdiplus::Ok))
	{
		if (pImage)
		{
			delete pImage;
			pImage = NULL;
		}
		return FALSE;
	}
	
	int nPos = pImage->GetWidth()*index;//¼ÆËã4ÕÅͼƬÐèÒª¶àÉÙÏñËØ
	
	Gdiplus::Graphics graph(m_hdcMemory);
	graph.SetSmoothingMode(Gdiplus::SmoothingModeNone);
	graph.DrawImage(pImage, nPos, 0, pImage->GetWidth(), pImage->GetHeight());

	return TRUE;
}
开发者ID:373137461，项目名称:rtmp_streamer_for_windows，代码行数:25，代码来源:OBSButton.cpp


示例3: bkimg

static Gdiplus::Image* bkimg(int rcid) {
   HRSRC hrsc = ::FindResource(hInst, MAKEINTRESOURCE(rcid), TEXT("PNG"));
   DWORD size = ::SizeofResource(hInst, hrsc);
   LPVOID hg = ::LoadResource(hInst, hrsc);
   HGLOBAL mem = ::GlobalAlloc(GMEM_MOVEABLE, size);
   Gdiplus::Image* img = 0;
   if (mem) {
      LPVOID pmem = ::GlobalLock(mem);
      if (pmem) {
         ::CopyMemory(pmem, hg, size);
         LPSTREAM is;
         if (::CreateStreamOnHGlobal(pmem, FALSE, &is) == S_OK) {
            Gdiplus::Image* m = new Gdiplus::Image(is);
            is->Release();
            if (m->GetLastStatus() != Gdiplus::Ok) {
               delete m;
               return img;
            }
            img = m;
         }
         ::GlobalUnlock(mem);
      }
      ::GlobalFree(mem);
   }
   return img;
}
开发者ID:wangch，项目名称:zipk，代码行数:26，代码来源:zipk.cpp


示例4: BlendSelSign

/**
  Blend 'A''B''C''D' sign onto the image.
*/
static void BlendSelSign( Gdiplus::Graphics *g, const Gdiplus::RectF &render_rect, int sel )
{
    CFileListManager &file_manager = GetInst( CFileListManager );
    Gdiplus::Image *img = CreateImgFromBuffer( file_manager.GetSelSign( sel ) );
    Gdiplus::PointF render_pos = GetRandPosInULRect( img->GetWidth(), img->GetHeight(), render_rect );
    img_alpha( g, img, render_pos.X, render_pos.Y, 255 );
    delete img;
}
开发者ID:ueverything，项目名称:mmo-resourse，代码行数:11，代码来源:QuestionGen.cpp


示例5: Save

bool Image::Save(const wchar_t* path, const wchar_t* mime) {
    Gdiplus::Image* gdiBitmap = reinterpret_cast<Gdiplus::Image*>(_private);
    CLSID formatClsid;
    if(GetEncoderClsid(mime, &formatClsid)>0) {
        if(gdiBitmap->Save(path, &formatClsid, NULL)==Gdiplus::Ok) {
            return true;
        }
    }
    return false;
}
开发者ID:pixelspark，项目名称:corespark，代码行数:10，代码来源:tjgraphics-gdiplus.cpp


示例6: GetImageSize

cgSize cgGdiplusRender::GetImageSize( cgID image )
{
	cgSize size;
	Gdiplus::Image* pkImage = m_kImageStorage.Find(image);
	if (pkImage)
	{
		size.w = pkImage->GetWidth();
		size.h = pkImage->GetHeight();
	}

	return size;
}
开发者ID:cgcoolgame，项目名称:cg，代码行数:12，代码来源:cgGdiplusRender.cpp


示例7: SHLoadImageFile

HBITMAP SHLoadImageFile(  LPCTSTR pszFileName )
{
    if ( !pszFileName || !*pszFileName )
        return 0;

    String strFileName = convertToStringA(pszFileName);
    if ( String_endsWith(strFileName, ".bmp") )
    {
        return (HBITMAP)::LoadImage(NULL, pszFileName, IMAGE_BITMAP, 0, 0, LR_LOADFROMFILE);
    }

    if ( !String_endsWith(strFileName, ".png") )
        return 0;

    static bool s_GDIInit = false;
    if ( !s_GDIInit)
    {
        Gdiplus::GdiplusStartupInput gdiplusStartupInput;
        ULONG_PTR gdiplusToken;
        Gdiplus::GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);
        s_GDIInit = true;
    }

    Gdiplus::Image* image = new Gdiplus::Image(convertToStringW(strFileName).c_str());
    SizeF sizePng;
    Status res = image->GetPhysicalDimension(&sizePng);

    HDC hDC = GetDC(getMainWnd());

    HDC hdcMem = CreateCompatibleDC(hDC);
    HBITMAP hBitmap  = ::CreateCompatibleBitmap(hDC, (int)sizePng.Width, (int)sizePng.Height);
    HBITMAP hbmOld = SelectBitmap(hdcMem, hBitmap);

    CRect rc(0,0,(int)sizePng.Width, (int)sizePng.Height);
	COLORREF clrOld = ::SetBkColor(hdcMem, RGB(255,255,255));
	::ExtTextOut(hdcMem, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL);
	::SetBkColor(hdcMem, clrOld);

    Gdiplus::Graphics grpx(hdcMem);
    res = grpx.DrawImage(image, 0, 0, (int)sizePng.Width, (int)sizePng.Height);

    SelectBitmap(hdcMem, hbmOld);
    DeleteDC(hdcMem);
    DeleteDC(hDC);

    delete image;
    return hBitmap;
}
开发者ID:parrotbait，项目名称:rhodes，代码行数:48，代码来源:Rhodes.cpp


示例8: CreateThumbnail

BOOL GdiplusUtilities::CreateThumbnail(LPCTSTR srcFile, LPCTSTR thumbnailFile, ImageFormatEnum imageFormat, INT cx, INT cy)
{
	Gdiplus::Bitmap* pSrcImage = Gdiplus::Bitmap::FromFile(srcFile, FALSE);
	if (pSrcImage == NULL)
		return FALSE;


	//=== Default function...stretches the image
	Gdiplus::Image* pDestImage = pSrcImage->GetThumbnailImage(cx, cy);
	
	delete pSrcImage;

	CLSID pngClsid;

	UINT  num = 0;          // number of image encoders
	UINT  size = 0;         // size of the image encoder array in bytes

	Gdiplus::ImageCodecInfo* pImageCodecInfo = NULL;

	Gdiplus::GetImageEncodersSize(&num, &size);
	if(size == 0)
		return -1;  // Failure

	pImageCodecInfo = (Gdiplus::ImageCodecInfo*)(malloc(size));
	if(pImageCodecInfo == NULL)
		return -1;  // Failure

	GetImageEncoders(num, size, pImageCodecInfo);

	for(UINT j = 0; j < num; ++j)
	{
		if( wcscmp(pImageCodecInfo[j].MimeType, _T("image/png")) == 0 )
		{
			pngClsid = pImageCodecInfo[j].Clsid;
			free(pImageCodecInfo);
			Gdiplus::Status st = pDestImage->Save(thumbnailFile, &pngClsid, NULL);
			return st == Gdiplus::Ok;
		}    
	}

	free(pImageCodecInfo);
	
	return FALSE;


}
开发者ID:KurzedMetal，项目名称:Jaangle，代码行数:46，代码来源:GdiplusUtilities.cpp


示例9: SetAspectRatio

void SetAspectRatio(Gdiplus::Image &image, RECT &rc)
{
  double dWidth = (rc.right - rc.left);
  double dHeight = (rc.bottom - rc.top);
  double dAspectRatio = dWidth / dHeight;
  double dImageWidth = image.GetWidth();
  double dImageHeight = image.GetHeight();
  double dImageAspectRatio = dImageWidth / dImageHeight;
  if (dImageAspectRatio > dAspectRatio) {
    double nNewHeight = (dWidth / dImageWidth*dImageHeight);
    double nCenteringFactor = (dHeight - nNewHeight) / 2;
    SetRect(&rc, 0, (int)nCenteringFactor, (int)dWidth, (int)(nNewHeight + nCenteringFactor));
  } else if (dImageAspectRatio < dAspectRatio) {
    double nNewWidth = (dHeight / dImageHeight*dImageWidth);
    double nCenteringFactor = (dWidth - nNewWidth) / 2;
    SetRect(&rc, (int)nCenteringFactor, 0, (int)(nNewWidth + nCenteringFactor), (int)(dHeight));
  }
}
开发者ID:soundsrc，项目名称:pwsafe，代码行数:18，代码来源:ImgStatic.cpp


示例10: LoadImage

BOOL LoadImage(const HINSTANCE& inst, DWORD res, const TCHAR* name, IMGINFO* img_info, const HDC* mdc)
{
	HRSRC src = FindResource(inst, MAKEINTRESOURCE(res), name);
	if (src == NULL)
		return FALSE;

	DWORD len = SizeofResource(inst, src);
	BYTE* byte = (BYTE*)LoadResource(inst, src);
	if (byte == NULL)
		return FALSE;
	
	HGLOBAL global = GlobalAlloc(GMEM_FIXED, len);
	BYTE* mem = (BYTE*)GlobalLock(global);
	CopyMemory(mem, byte, len);	
	IStream* stream = NULL;
	Gdiplus::Image* image = NULL;
	HRESULT hr = CreateStreamOnHGlobal(mem, FALSE, &stream);
	if (SUCCEEDED(hr))
	{
		image = Gdiplus::Image::FromStream(stream);
		img_info->hdc = CreateCompatibleDC(*mdc);
		HBITMAP hbitmap = CreateCompatibleBitmap(*mdc, image->GetWidth(), image->GetHeight());
		SelectObject(img_info->hdc, hbitmap);		
		Gdiplus::Graphics graphics(img_info->hdc);		
		Gdiplus::Rect rect;
		rect.X = 0.0F;
		rect.Y = 0.0F;
		rect.Width = image->GetWidth();
		rect.Height = image->GetHeight();
		Gdiplus::Status s = graphics.DrawImage(image, rect);		
		DeleteObject(hbitmap);
		img_info->image = image;
	}

	GlobalUnlock(mem);
	SAFE_RELEASE(stream);
	FreeResource(byte);

	if (SUCCEEDED(hr))
		return TRUE;
	else
		return FALSE;
}
开发者ID:hihua，项目名称:hihuacode，代码行数:43，代码来源:Util.cpp


示例11: OnCmdFileOpen

	void OnCmdFileOpen(HWND hWnd)
	{
		winx::OpenFileDialog dlg(
			_T("Images Files(*.jpg;*.png;*.tif;*.bmp;*.gif)\0*.jpg;*.png;*.tif;*.bmp;*.gif\0All Files(*.*)\0*.*\0")
			);
		if (IDOK == dlg.DoModal())
		{
 			USES_CONVERSION;
 			Gdiplus::Image* image = new Gdiplus::Image(T2CW(dlg.lpstrFile));
 			if (image->GetLastStatus() != Gdiplus::Ok)
			{
				delete image;
				winx::ExMsgBoxTrace(hWnd, _T("Error"), _T("Can't load image from %s"), dlg.lpstrFile);
 			}
 			else
 			{
 				SetImage(image);
 			}
		}
	}
开发者ID:xushiwei，项目名称:winx，代码行数:20，代码来源:hello.cpp


示例12: DrawImage

void Graphics::DrawImage(Image* image, const Rect& rc, const ImageAttributes* attr) {
    Gdiplus::Graphics* g = reinterpret_cast<Gdiplus::Graphics*>(_private);
    Gdiplus::Image* gdiImage = reinterpret_cast<Gdiplus::Image*>(image->_private);

    if(attr!=0) {
        Gdiplus::ImageAttributes* ia = reinterpret_cast<Gdiplus::ImageAttributes*>(attr->_private);
        g->DrawImage(gdiImage, Gdiplus::Rect(rc.GetLeft(), rc.GetTop(), rc.GetWidth(), rc.GetHeight()), 0, 0, gdiImage->GetWidth(), gdiImage->GetHeight(), Gdiplus::UnitPixel, ia);
    }
    else {
        g->DrawImage(gdiImage, ToGDIRect<Rect, Gdiplus::Rect>(rc));
    }
}
开发者ID:pixelspark，项目名称:corespark，代码行数:12，代码来源:tjgraphics-gdiplus.cpp


示例13: BrouseFile

//  ôóíêöèÿ îòêðûòèÿ ôàéëà äëÿ ïðîñìîòðà ñ âõîäÿùèì ïàðàìåòðîì - èìåíåì îòêðûâàåìîãî ãðàôè÷åñêîãî ôàéëà
void BrouseFile(AnsiString FN)
{   float ho=0;
float wo;
if (FN!=""){//åñëè èìÿ ôàéëà óêàçàíî òî âûïîëíèòü äåéñòâèÿ
Form1->Image1->Align=alClient;//ðàçâîðà÷èâàåì îáëàñòü ïðîñìîòðà íà âñþ äîñòóïíþ ïëîùàäü
Form1->Image1->Picture->Assign(0);//î÷èùàåì îáëàñòü ïðîñìîòðà
WCHAR buff[10001];
Graphics::TBitmap *Buf = new Graphics::TBitmap();//ñîçäàåì îáúåêò êëàññà TBitmap
Gdiplus::Image *image =new Gdiplus::Image (FN.WideChar(buff,10000)); //ñîçäàåì îáúåêò êëàññà Gdiplus::Image è çàãðóæàåì â íåãî èçîáðàæåíèå èç âûáðàííîãî ôàéëà
Buf->Width=image->GetWidth();//óêàçûâàåì øèðèíó è âûñîòó èçîáðàæåíèÿ
Buf->Height=image->GetHeight();
Gdiplus::Graphics graphics(Buf->Canvas->Handle);//ïåðåäàåì óêàçàòåëü íà îáúåêò Buf
graphics.DrawImage(image, 0, 0, image->GetWidth(), image->GetHeight());
//ïðîðèñîâûâàåì âçÿòîå èç ôàéëà èçîáðàæåíèå â îáúåêòå Buf
Form1->Image1->Picture->Assign(Buf);//âûâîäì ïðîðèñîâàííîå èçîáðàæåíèå â îáëàñòü ïðîñìîòðà
Form1->ScrollBox1->Refresh();//îáíîâëÿåì ðàçìåðíîñòü îáëàñòè ïðîñìîòðà
z_min=1;//èíèöèàëèçèðåì ïåðåìåííûå ìàñøàáèðîâàíèÿ
z_max=1;

Form1->StatusBar1->Panels->Items[1]->Text="Ôàéë - "+Form1->FileListBox1->Items->Strings[Form1->FileListBox1->ItemIndex];//âûâîäèì ñëóæåáíóþ èíôîðìàöèþ
Form1->StatusBar1->Panels->Items[2]->Text="Ðàçìåð - "+IntToStr(image->GetWidth())+"x"+IntToStr(image->GetHeight());
//
B->Assign(0);//î÷èùàåì ðåçåðâíûé îáúåêò êëàññà TBitmap
B->Width=Form1->Image1->Picture->Bitmap->Width;//çàäàåì ðàçìåðû ðåçåðâíîãî îáúåêòà
B->Height=Form1->Image1->Picture->Bitmap->Height;
B->Canvas->Draw(0,0,Form1->Image1->Picture->Bitmap);//ïðîðèñîâûâàåì èçîáðàæåíèå â ðåçåðâíîì îáúåêòå èç îáëàñòè ïðîñìîòðà
          //åñëè êàðòèíêà èçíà÷àëüíî áîëüøå îáëàñòè ïðîñìîòðà
          //òî îíà áóäåò àâòîìàòè÷åñêè óìåíüøåíà
          //äàëåå îïðåäåëÿåì êîýô. óìåíüøåíèÿ
 if ((B->Height>Form1->Image1->Height)||(B->Width>Form1->Image1->Width))  //åñëè ïàðìåòðû êàðòèíêè ïðåâûøàþò ïàðàìåòðû îáëàñòè
{
ho=float(Form1->Image1->Height)/float(B->Height);   //âû÷èñëÿåì ñîîòíîøåíèÿ âåëè÷èí
wo=float(Form1->Image1->Width)/float(B->Width);
if (ho>wo)   //îïåðåäåëÿåì áîëüøóþ èç âåëè÷èí, ÷òîáû èçîáðàæåíèå ïîìåñòèëîñü â îáëàñòè ïðîñìîòðà
{z_min=1+ho;}    //óñòàíàâëèâàåì êîýô.
else {z_min=1+wo;}
}
delete image;//î÷èùàåì ïàìÿòü
delete Buf;

}
}
开发者ID:Panwo，项目名称:Smotri，代码行数:43，代码来源:Unit1.cpp


示例14: GenSmallImage

/**
  generate some small images and render them on the backgroun.
*/
static void GenSmallImage( int img_count, Gdiplus::Graphics *g, const Gdiplus::RectF &render_rect, int sel )
{
#define RAND_ALPHA ( 100 + random( 55 ) )

    if( img_count < 1 )
    {
        return;
    }

    CFileListManager &file_manager = GetInst( CFileListManager );
    // render without alpha value
    Gdiplus::Image *img = CreateImgFromBuffer( file_manager.GetRandSmall() );
    Gdiplus::PointF render_pos = GetRandPosInULRect( img->GetWidth(), img->GetHeight(), render_rect );
    Gdiplus::RectF img_rect( render_pos.X, render_pos.Y, (float)img->GetWidth(), (float)img->GetHeight() );
    img_alpha( g, img, render_pos.X, render_pos.Y, img_count == 1 ? 255 : RAND_ALPHA );
    delete img;

    // render with random alpha value and random rotation degree
    g->SetClip( img_rect );
    for( int i = 1; i < img_count; ++ i )
    {
        img = CreateImgFromBuffer( file_manager.GetRandSmall() );
        img_rotate( g, img, render_pos.X, render_pos.Y, img->GetWidth() / 2, img->GetHeight() / 2,
                    random( 360 ), // [0-360)
                    RAND_ALPHA ); // [100-155)
        delete img;
    }
    g->ResetClip();

    // blend a 'X' sign onto the picture if it's not the answer
    if( img_count > 1 )
    {
        //BlendXSign( g, img_rect );
    }

    // blend 'A''B''C''D' sign.
    BlendSelSign( g, img_rect, sel );
}
开发者ID:ueverything，项目名称:mmo-resourse，代码行数:41，代码来源:QuestionGen.cpp


示例15: drawChannel

int ChannelData::drawChannel(Graphics *g, int x, int y){
	REAL xx = x * 1.0f;
	REAL yy = y * 1.0f;
	ServentData* sd;

	// 位置を保存
	posX = x;
	posY = y;

	int w/*,h*/;

	if (getWidth() == 0){
		if (gW){
			w = gW;
		} else {
			w = 400;
		}
	} else {
		w = getWidth();
		gW = w;
	}

	// チャンネル表示部の背景を塗る
	if (isSelected()){
		// 選択中
		SolidBrush b(Color(160,49,106,197));
		g->FillRectangle(&b, x, y, w, 14);
	} else {
		// 非選択
		SolidBrush b(Color(160,255,255,255));
		g->FillRectangle(&b, x, y, w, 14);
	}

	// ステータス表示
	Gdiplus::Image *img = NULL;
	unsigned int nowTime = sys->getTime();
	if (this->type != Servent::T_COUT)
	{
		// COUT以外
		Channel *ch = chanMgr->findChannelByChannelID(this->channel_id);
		switch(this->getStatus()){
		case Channel::S_IDLE:
			img = img_idle;
			break;
		case Channel::S_SEARCHING:
		case Channel::S_CONNECTING:
			img = img_connect;
			break;
		case Channel::S_RECEIVING:
			if ((skipCount > 2) && (lastSkipTime + 120 > nowTime)){
				if (chDisp.relay){
					img = img_conn_ok_skip;
				} else {
					if (chDisp.numRelays){
						img = img_conn_full_skip;
					} else {
						img = img_conn_over_skip;
					}
				}
			} else {
				if (chDisp.relay){
					img = img_conn_ok;
				} else {
					if (chDisp.numRelays){
						img = img_conn_full;
					} else {
						img = img_conn_over;
					}
				}
			}
			break;
		case Channel::S_BROADCASTING:
			img = img_broad_ok;
			break;
		case Channel::S_ERROR:
			// bump時にエラーが表示されるのを防止
			if (ch && ch->bumped)
			{
				img = img_connect;
			} else
			{
				img = img_error;
			}
			break;
		default:
			img = img_idle;
			break;
		}
	} else
	{
		// COUT用
		img = img_broad_ok;
	}

	// 描画基点
	PointF origin(xx, yy);
	// ステータス表示位置
	Rect img_rect((INT)origin.X, (INT)origin.Y + 1, img ? img->GetWidth() : 12, 12);
	// ステータス描画
	ImageAttributes att;
//.........这里部分代码省略.........
开发者ID:PyYoshi，项目名称:PeerCastIM-Mod，代码行数:101，代码来源:gui.cpp


示例16: Create

BOOL COBSButton::Create(LPCTSTR lpszCaption, const RECT& rect, HWND hParentWnd, \
	UINT nID, LPCTSTR lpszImage,int nSubPic)
{
	if (m_hWnd)
		return FALSE;
	if (nSubPic>4||nSubPic<=0)
	{
		return FALSE;
	}
	m_hWnd = CreateWindow(TEXT("BUTTON"), lpszCaption, \
		WS_CHILD | WS_VISIBLE | WS_TABSTOP | BS_OWNERDRAW, \
		rect.left, rect.top, rect.right - rect.left, rect.bottom - rect.top, \
		hParentWnd, (HMENU)nID, NULL, NULL);

	if (NULL == m_hWnd)
	{
		goto CREATE_FAIL;
	}
	SendMessage(m_hWnd, WM_SETFONT, (WPARAM)GetStockObject(DEFAULT_GUI_FONT), TRUE);
	m_OldProc = (WNDPROC)SetWindowLong(m_hWnd, GWLP_WNDPROC /*GWL_WNDPROC*/, (LONG)ButtonProc);
	SetWindowLong(m_hWnd, GWLP_USERDATA, (LONG)this);

	m_hFont = CreateFont(16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, 0, DEFAULT_CHARSET, \
		OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY, DEFAULT_PITCH | FF_SWISS, TEXT("Arial"));

	Gdiplus::Image* pImage = NULL;
	//¼ÓÔØͼƬ
	if (lpszImage != NULL)
	{

		
		pImage = Gdiplus::Image::FromFile(lpszImage);
		if ((pImage == NULL) || (pImage->GetLastStatus() != Gdiplus::Ok))
		{
			if (pImage)
			{
				delete pImage;
				pImage = NULL;
			}
			return FALSE;
		}
		RECT windowRect;
		GetWindowRect(m_hWnd, &windowRect);
		SIZE sizeWindow;
		sizeWindow.cx = (pImage->GetWidth() / nSubPic)*4;//¼ÆËã4ÕÅͼƬÐèÒª¶àÉÙÏñËØ
	    sizeWindow.cy = pImage->GetHeight();
		
		HDC hDC = GetDC(m_hWnd);
		m_hdcMemory = CreateCompatibleDC(hDC);
		if (m_hdcMemory == NULL) return FALSE;
		m_hFourStateBitmap = CreateCompatibleBitmap(hDC, sizeWindow.cx, sizeWindow.cy);
		if (m_hFourStateBitmap == NULL) return FALSE;
		m_hOldBmp = (HBITMAP)::SelectObject(m_hdcMemory, m_hFourStateBitmap);
		if (m_hOldBmp == NULL) return FALSE;
		Gdiplus::Graphics graph(m_hdcMemory);
		graph.SetSmoothingMode(Gdiplus::SmoothingModeNone);
		graph.DrawImage(pImage, 0, 0, sizeWindow.cx, sizeWindow.cy);

		if (NULL == m_hFourStateBitmap)
		{
			goto CREATE_FAIL;
		}
	}




	if (pImage)
	{
		delete pImage;
		pImage = NULL;
	}

	return TRUE;

CREATE_FAIL:
	if (m_hFourStateBitmap)
	{
		DeleteObject(m_hFourStateBitmap);
	}
	return FALSE;
}
开发者ID:373137461，项目名称:rtmp_streamer_for_windows，代码行数:82，代码来源:OBSButton.cpp


示例17: _DrawNormalItem

void CListViewCtrlEx::_DrawNormalItem( LPDRAWITEMSTRUCT lpdis, const TListItem *pItem )
{
    if (!pItem)
        return;

    int nItem = lpdis->itemID;

    CDCHandle dc;
    dc.Attach(lpdis->hDC);

    HFONT	hOldFont = dc.SelectFont(m_fontDef);

    BOOL bSelect = FALSE ;
    if ((lpdis->itemAction | ODA_SELECT) &&
            (lpdis->itemState & ODS_SELECTED))
    {
        bSelect = TRUE ;
    }

    if ( bSelect )
        dc.FillSolidRect( &lpdis->rcItem, RGB(185,219,255));
    else
        dc.FillSolidRect( &lpdis->rcItem, pItem->clrBg);

    // draw check box
    if( pItem->dwFlags&(LISTITEM_CHECKBOX|LISTITEM_RADIOBOX) )
        _DrawCheckBox(dc, lpdis->rcItem, _super::GetCheckState(nItem), pItem->dwFlags);

    COLORREF oldClr = dc.GetTextColor();
    for(int i=0; i<pItem->subItems.size(); ++i)
    {
        CRect	rcSubItem;
        DWORD	nMarginWidth = 0;
        CRect	rcBounds;
        GetSubItemRect(nItem, i, LVIR_LABEL, &rcSubItem);

        nMarginWidth = LEFT_MARGIN_TEXT_COLUMN+3;

        if(i==0)
        {
            if( pItem->dwFlags&(LISTITEM_CHECKBOX|LISTITEM_RADIOBOX) )
            {
                nMarginWidth+=rcSubItem.left;
            }
            else
            {
                rcSubItem.left -= 19;
                nMarginWidth+=5;
            }
        }

#define DT_FLAGS_DRAW_TEXT		(DT_SINGLELINE|DT_LEFT|DT_NOPREFIX|DT_END_ELLIPSIS|DT_VCENTER)

        rcSubItem.left += LEFT_MARGIN_TEXT_COLUMN;
        rcSubItem.right -= 3;
        const TListSubItem &subItem = pItem->subItems[i];
        if(subItem.type == SUBITEM_LINK)
        {
            dc.SelectFont(m_fontLink);
            dc.SetTextColor(COLOR_LIST_LINK);

            CRect	rcProbeItem;
            dc.DrawText( subItem.str, -1, &rcProbeItem, DT_SINGLELINE|DT_LEFT|DT_NOPREFIX|DT_VCENTER|DT_CALCRECT);
            dc.DrawText( subItem.str, -1, &rcSubItem, DT_FLAGS_DRAW_TEXT);

            DWORD nMaxWidth = rcProbeItem.Width()+nMarginWidth;
            _SetColumnNeedWidth(i,nMaxWidth);
        }
        else
        {
            if (subItem.type == SUBITEM_ICON && subItem.nImg != NULL)
            {
                dc.DrawIconEx( rcSubItem.left, rcSubItem.top + 3, (HICON)subItem.nImg, 16 , 16, 0, 0, DI_NORMAL );
                rcSubItem.left = rcSubItem.left + 18;
            }
            else if (subItem.type == SUBITEM_PNG)
            {
                Gdiplus::Image* pImg = BkPngPool::Get(subItem.nImg);
                if (pImg)
                {
                    Gdiplus::Graphics graphics(dc);

                    SIZE size = {0, 0};
                    if (pImg)
                    {
                        size.cx = pImg->GetWidth();
                        size.cy = pImg->GetHeight();
                    }

                    graphics.DrawImage(pImg, Gdiplus::Rect(rcSubItem.left, rcSubItem.top + 5, size.cx, size.cy));
                }
                rcSubItem.left = rcSubItem.left + 18;
            } else if(subItem.type==SUBITEM_COMBO)
            {
                CDC	dcTmp;
                dcTmp.CreateCompatibleDC(dc);
                HBITMAP hBmpOld	= dcTmp.SelectBitmap(m_bitmapCombo);
                dc.BitBlt(rcSubItem.right-20, rcSubItem.top + 3, 20, 20, dcTmp, 0, 0, SRCCOPY);
                dcTmp.SelectBitmap(hBmpOld);
                dcTmp.DeleteDC();
//.........这里部分代码省略.........
开发者ID:charlessoft，项目名称:PicManager，代码行数:101，代码来源:ListViewCtrlEx.cpp


示例18: GetHeight

int Image::GetHeight() {
    Gdiplus::Image* gdiImage = reinterpret_cast<Gdiplus::Image*>(_private);
    return gdiImage->GetHeight();
}
开发者ID:pixelspark，项目名称:corespark，代码行数:4，代码来源:tjgraphics-gdiplus.cpp


示例19: assert

static Image *ReadEMFImage(const ImageInfo *image_info,
  ExceptionInfo *exception)
{
  Gdiplus::Bitmap
    *bitmap;

  Gdiplus::BitmapData
     bitmap_data;

  Gdiplus::GdiplusStartupInput
    startup_input;

  Gdiplus::Graphics
    *graphics;

  Gdiplus::Image
    *source;

  Gdiplus::Rect
    rect;

  GeometryInfo
    geometry_info;

  Image
    *image;

  MagickStatusType
    flags;

  register Quantum
    *q;

  register ssize_t
    x;

  ssize_t
    y;

  ULONG_PTR
    token;

  unsigned char
    *p;

  wchar_t
    fileName[MagickPathExtent];

  assert(image_info != (const ImageInfo *) NULL);
  assert(image_info->signature == MagickSignature);
  if (image_info->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
      image_info->filename);
  assert(exception != (ExceptionInfo *) NULL);

  image=AcquireImage(image_info,exception);
  if (Gdiplus::GdiplusStartup(&token,&startup_input,NULL) != 
    Gdiplus::Status::Ok)
    ThrowReaderException(CoderError, "GdiplusStartupFailed");
  MultiByteToWideChar(CP_UTF8,0,image->filename,-1,fileName,MagickPathExtent);
  source=Gdiplus::Image::FromFile(fileName);
  if (source == (Gdiplus::Image *) NULL)
    {
      Gdiplus::GdiplusShutdown(token);
      ThrowReaderException(FileOpenError,"UnableToOpenFile");
    }

  image->resolution.x=source->GetHorizontalResolution();
  image->resolution.y=source->GetVerticalResolution();
  image->columns=(size_t) source->GetWidth();
  image->rows=(size_t) source->GetHeight();
  if (image_info->density != (char *) NULL)
    {
      flags=ParseGeometry(image_info->density,&geometry_info);
      image->resolution.x=geometry_info.rho;
      image->resolution.y=geometry_info.sigma;
      if ((flags & SigmaValue) == 0)
        image->resolution.y=image->resolution.x;
      if ((image->resolution.x > 0.0) && (image->resolution.y > 0.0))
        {
          image->columns=(size_t) floor((Gdiplus::REAL) source->GetWidth() /
            source->GetHorizontalResolution() * image->resolution.x + 0.5);
          image->rows=(size_t)floor((Gdiplus::REAL) source->GetHeight() /
            source->GetVerticalResolution() * image->resolution.y + 0.5);
        }
    }

  bitmap=new Gdiplus::Bitmap((INT) image->columns,(INT) image->rows,
    PixelFormat32bppARGB);
  graphics=Gdiplus::Graphics::FromImage(bitmap);
  graphics->SetInterpolationMode(Gdiplus::InterpolationModeHighQualityBicubic);
  graphics->SetSmoothingMode(Gdiplus::SmoothingModeHighQuality);
  graphics->SetTextRenderingHint(Gdiplus::TextRenderingHintClearTypeGridFit);
  graphics->Clear(Gdiplus::Color((BYTE) ScaleQuantumToChar(
    image->background_color.alpha),(BYTE) ScaleQuantumToChar(
    image->background_color.red),(BYTE) ScaleQuantumToChar(
    image->background_color.green),(BYTE) ScaleQuantumToChar(
    image->background_color.blue)));
  graphics->DrawImage(source,0,0,(INT) image->columns,(INT) image->rows);
  delete graphics;
//.........这里部分代码省略.........
开发者ID:edalquist，项目名称:ImageMagick，代码行数:101，代码来源:emf.c


示例20: ReadImageProperty

BOOL ReadImageProperty(const TCHAR *lpszImage, PROPID propId, TCHAR *szProperty, int cchMax)
{
    Gdiplus::GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR token;
    Gdiplus::Status status = GdiplusStartup(&token, &gdiplusStartupInput, NULL);

    if(status != Gdiplus::Ok)
    {
        return FALSE;
    }

    BOOL bSuccess = FALSE;

    /* This object needs to be
    deleted before GdiplusShutdown
    is called. If it were stack
    allocated, it would go out of
    scope _after_ the call to
    GdiplusShutdown. By allocating
    it on the heap, the lifetime
    can be directly controlled. */
    Gdiplus::Image *image = new Gdiplus::Image(lpszImage, FALSE);

    if(image->GetLastStatus() == Gdiplus::Ok)
    {
        if(propId == PropertyTagImageWidth)
        {
            bSuccess = TRUE;
            StringCchPrintf(szProperty, cchMax, _T("%u pixels"), image->GetWidth());
        }
        else if(propId == PropertyTagImageHeight)
        {
            bSuccess = TRUE;
            StringCchPrintf(szProperty, cchMax, _T("%u pixels"), image->GetHeight());
        }
        else
        {
            UINT size = image->GetPropertyItemSize(propId);

            if(size != 0)
            {
                Gdiplus::PropertyItem *propertyItem = reinterpret_cast<Gdiplus::PropertyItem *>(malloc(size));

                if(propertyItem != NULL)
                {
                    status = image->GetPropertyItem(propId, size, propertyItem);

                    if(status == Gdiplus::Ok)
                    {
                        if(propertyItem->type == PropertyTagTypeASCII)
                        {
                            int iRes = MultiByteToWideChar(CP_ACP, 0, reinterpret_cast<LPCSTR>(propertyItem->value), -1,
                                                           szProperty, cchMax);

                            if(iRes != 0)
                            {
                                bSuccess = TRUE;
                            }
                        }
                    }

                    free(propertyItem);
                }
            }
        }
    }

    delete image;
    Gdiplus::GdiplusShutdown(token);

    return bSuccess;
}
开发者ID:RenniePet，项目名称:explorerplusplus，代码行数:72，代码来源:Helper.cpp



注：本文中的gdiplus::Image类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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