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 <cstdlib>
  31
  32 using namespace css;
  33
  34 class DemoMtfWin : public WorkWindow
  35 {
  36     GDIMetaFile maMtf;
  37
  38 public:
  39     explicit DemoMtfWin(const OUString& rFileName)
  40         : WorkWindow(nullptr, WB_APP | WB_STDWORK)
  41     {
  42         SvFileStream aFileStream(rFileName, StreamMode::READ);
  43
  44         if (aFileStream.IsOpen())
  45         {
  46             ReadWindowMetafile(aFileStream, maMtf);
  47         }
  48         else
  49         {
  50             Application::Abort("Can't read metafile");
  51         }
  52     }
  53
  54     virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)  override;
  55 };
  56
  57 void DemoMtfWin::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
  58 {
  59     maMtf.Play(this, maMtf.GetActionSize());
  60
  61     WorkWindow::Paint(rRenderContext, rRect);
  62 }
  63
  64 class DemoMtfApp : public Application
  65 {
  66     VclPtr<DemoMtfWin> mpWin;
  67     OUString maFileName;
  68
  69     static void showHelp()
  70     {
  71         fprintf(stderr, "Usage: mtfdemo --help | FILE\n");
  72         fprintf(stderr, "A VCL test app that displays Windows metafiles\n");
  73         std::exit(0);
  74     }
  75
  76 public:
  77
  78     DemoMtfApp()
  79         : mpWin(nullptr)
  80     {
  81     }
  82
  83     virtual int Main() override
  84     {
  85         try
  86         {
  87             mpWin = VclPtr<DemoMtfWin>::Create(maFileName);
  88             mpWin->SetText("Display metafile");
  89
  90             mpWin->Show();
  91
  92             Application::Execute();
  93         }
  94         catch (const css::uno::Exception& e)
  95         {
  96             SAL_WARN("vcl.app", "Fatal: " << e);
  97             return 1;
  98         }
  99         catch (const std::exception& e)
 100         {
 101             SAL_WARN("vcl.app", "Fatal: " << e.what());
 102             return 1;
 103         }
 104         return 0;
 105     }
 106
 107 private:
 108     uno::Reference<lang::XMultiServiceFactory> xMSF;
 109     void Init() override
 110     {
 111         try
 112         {
 113             const sal_uInt16 nCmdParams = GetCommandLineParamCount();
 114
 115             if (nCmdParams == 0)
 116                 showHelp();
 117             else
 118             {
 119                 OUString aArg = GetCommandLineParam(0);
 120
 121                 if (aArg == "--help" || aArg == "-h")
 122                     showHelp();
 123                 else
 124                     maFileName = aArg;
 125             }
 126
 127             uno::Reference<uno::XComponentContext> xComponentContext
 128                 = ::cppu::defaultBootstrap_InitialComponentContext();
 129             xMSF.set(xComponentContext->getServiceManager(), uno::UNO_QUERY);
 130             if(!xMSF.is())
 131                 Application::Abort("Bootstrap failure - no service manager");
 132
 133             ::comphelper::setProcessServiceFactory(xMSF);
 134         }
 135         catch (const uno::Exception &e)
 136         {
 137             Application::Abort("Bootstrap exception " + e.Message);
 138         }
 139     }
 140
 141     void DeInit() override
 142     {
 143         uno::Reference< lang::XComponent >(
 144             comphelper::getProcessComponentContext(),
 145         uno::UNO_QUERY_THROW)-> dispose();
 146         ::comphelper::setProcessServiceFactory(nullptr);
 147     }
 148
 149 };
 150
 151
 152 void vclmain::createApplication()
 153 {
 154     static DemoMtfApp aApp;
 155 }
 156
 157 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */