vcl/workben/mtfdemo.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #include <comphelper/processfactory.hxx>
  11 #include <comphelper/random.hxx>
  12 #include <cppuhelper/bootstrap.hxx>
  13 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  14 #include <com/sun/star/lang/XInitialization.hpp>
  15 #include <com/sun/star/registry/XSimpleRegistry.hpp>
  16 #include <com/sun/star/ucb/UniversalContentBroker.hpp>
  17
  18 #include <vcl/vclmain.hxx>
  19 #include <vcl/layout.hxx>
  20 #include <vcl/gdimtf.hxx>
  21 #include <vcl/wmf.hxx>
  22
  23 #include <tools/urlobj.hxx>
  24 #include <tools/stream.hxx>
  25 #include <tools/vcompat.hxx>
  26 #include <vcl/svapp.hxx>
  27 #include <vcl/wrkwin.hxx>
  28 #include <vcl/virdev.hxx>
  29
  30 #include <tools/stream.hxx>
  31
  32 #include <cstdlib>
  33
  34 using namespace com::sun::star;
  35
  36 using namespace css;
  37
  38 class DemoMtfWin : public WorkWindow
  39 {
  40     GDIMetaFile maMtf;
  41
  42 public:
  43     explicit DemoMtfWin(const OUString& rFileName)
  44         : WorkWindow(nullptr, WB_APP | WB_STDWORK)
  45     {
  46         SvFileStream aFileStream(rFileName, StreamMode::READ);
  47
  48         if (aFileStream.IsOpen())
  49         {
  50             ReadWindowMetafile(aFileStream, maMtf);
  51         }
  52         else
  53         {
  54             Application::Abort("Can't read metafile");
  55         }
  56     }
  57
  58     virtual void Paint(vcl::RenderContext& rRenderContext, const Rectangle& rRect)  override;
  59 };
  60
  61 void DemoMtfWin::Paint(vcl::RenderContext& rRenderContext, const Rectangle& rRect)
  62 {
  63     maMtf.Play(this, maMtf.GetActionSize());
  64
  65     WorkWindow::Paint(rRenderContext, rRect);
  66 }
  67
  68 class DemoMtfApp : public Application
  69 {
  70     VclPtr<DemoMtfWin> mpWin;
  71     OUString maFileName;
  72
  73     static void showHelp()
  74     {
  75         fprintf(stderr, "Usage: mtfdemo --help | FILE\n");
  76         fprintf(stderr, "A VCL test app that displays Windows metafiles\n");
  77         std::exit(0);
  78     }
  79
  80 public:
  81
  82     DemoMtfApp()
  83         : mpWin(nullptr)
  84     {
  85     }
  86
  87     virtual int Main() override
  88     {
  89         try
  90         {
  91             mpWin = VclPtr<DemoMtfWin>::Create(maFileName);
  92             mpWin->SetText("Display metafile");
  93
  94             mpWin->Show();
  95
  96             Application::Execute();
  97         }
  98         catch (const css::uno::Exception& e)
  99         {
 100             SAL_WARN("vcl.app", "Fatal exception: " << e.Message);
 101             return 1;
 102         }
 103         catch (const std::exception& e)
 104         {
 105             SAL_WARN("vcl.app", "Fatal exception: " << e.what());
 106             return 1;
 107         }
 108         return 0;
 109     }
 110
 111 protected:
 112     uno::Reference<lang::XMultiServiceFactory> xMSF;
 113     void Init() override
 114     {
 115         try
 116         {
 117             const sal_uInt16 nCmdParams = GetCommandLineParamCount();
 118
 119             if (nCmdParams == 0)
 120                 showHelp();
 121             else
 122             {
 123                 OUString aArg = GetCommandLineParam(0);
 124
 125                 if (aArg == "--help" || aArg == "-h")
 126                     showHelp();
 127                 else
 128                     maFileName = aArg;
 129             }
 130
 131             uno::Reference<uno::XComponentContext> xComponentContext
 132                 = ::cppu::defaultBootstrap_InitialComponentContext();
 133             xMSF.set(xComponentContext->getServiceManager(), uno::UNO_QUERY);
 134             if(!xMSF.is())
 135                 Application::Abort("Bootstrap failure - no service manager");
 136
 137             ::comphelper::setProcessServiceFactory(xMSF);
 138         }
 139         catch (const uno::Exception &e)
 140         {
 141             Application::Abort("Bootstrap exception " + e.Message);
 142         }
 143     }
 144
 145     void DeInit() override
 146     {
 147         uno::Reference< lang::XComponent >(
 148             comphelper::getProcessComponentContext(),
 149         uno::UNO_QUERY_THROW)-> dispose();
 150         ::comphelper::setProcessServiceFactory(nullptr);
 151     }
 152
 153 };
 154
 155
 156 void vclmain::createApplication()
 157 {
 158     static DemoMtfApp aApp;
 159 }
 160
 161 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */