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 <cppuhelper/bootstrap.hxx>
  12 #include <com/sun/star/lang/XMultiServiceFactory.hpp>
  13 #include <com/sun/star/lang/XInitialization.hpp>
  14 #include <com/sun/star/registry/XSimpleRegistry.hpp>
  15 #include <com/sun/star/ucb/UniversalContentBroker.hpp>
  16
  17 #include <vcl/vclmain.hxx>
  18 #include <vcl/layout.hxx>
  19 #include <vcl/gdimtf.hxx>
  20 #include <vcl/wmf.hxx>
  21
  22 #include <tools/diagnose_ex.h>
  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 #include <sal/log.hxx>
  30
  31 #include <cstdlib>
  32
  33 using namespace css;
  34
  35 class DemoMtfWin : public WorkWindow
  36 {
  37     GDIMetaFile maMtf;
  38
  39 public:
  40     explicit DemoMtfWin(const OUString& rFileName)
  41         : WorkWindow(nullptr, WB_APP | WB_STDWORK)
  42     {
  43         SvFileStream aFileStream(rFileName, StreamMode::READ);
  44
  45         if (aFileStream.IsOpen())
  46         {
  47             ReadWindowMetafile(aFileStream, maMtf);
  48         }
  49         else
  50         {
  51             Application::Abort("Can't read metafile");
  52         }
  53     }
  54
  55     virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)  override;
  56 };
  57
  58 void DemoMtfWin::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
  59 {
  60     maMtf.Play(this, maMtf.GetActionSize());
  61
  62     WorkWindow::Paint(rRenderContext, rRect);
  63 }
  64
  65 class DemoMtfApp : public Application
  66 {
  67     VclPtr<DemoMtfWin> mpWin;
  68     OUString maFileName;
  69
  70     static void showHelp()
  71     {
  72         fprintf(stderr, "Usage: mtfdemo --help | FILE\n");
  73         fprintf(stderr, "A VCL test app that displays Windows metafiles\n");
  74         std::exit(0);
  75     }
  76
  77 public:
  78
  79     DemoMtfApp()
  80         : mpWin(nullptr)
  81     {
  82     }
  83
  84     virtual int Main() override
  85     {
  86         try
  87         {
  88             mpWin = VclPtr<DemoMtfWin>::Create(maFileName);
  89             mpWin->SetText("Display metafile");
  90
  91             mpWin->Show();
  92
  93             Application::Execute();
  94         }
  95         catch (const css::uno::Exception&)
  96         {
  97             TOOLS_WARN_EXCEPTION("vcl.app", "Fatal");
  98             return 1;
  99         }
 100         catch (const std::exception& e)
 101         {
 102             SAL_WARN("vcl.app", "Fatal: " << e.what());
 103             return 1;
 104         }
 105         return 0;
 106     }
 107
 108 private:
 109     uno::Reference<lang::XMultiServiceFactory> xMSF;
 110     void Init() override
 111     {
 112         try
 113         {
 114             const sal_uInt16 nCmdParams = GetCommandLineParamCount();
 115
 116             if (nCmdParams == 0)
 117                 showHelp();
 118             else
 119             {
 120                 OUString aArg = GetCommandLineParam(0);
 121
 122                 if (aArg == "--help" || aArg == "-h")
 123                     showHelp();
 124                 else
 125                     maFileName = aArg;
 126             }
 127
 128             uno::Reference<uno::XComponentContext> xComponentContext
 129                 = ::cppu::defaultBootstrap_InitialComponentContext();
 130             xMSF.set(xComponentContext->getServiceManager(), uno::UNO_QUERY);
 131             if(!xMSF.is())
 132                 Application::Abort("Bootstrap failure - no service manager");
 133
 134             ::comphelper::setProcessServiceFactory(xMSF);
 135         }
 136         catch (const uno::Exception &e)
 137         {
 138             Application::Abort("Bootstrap exception " + e.Message);
 139         }
 140     }
 141
 142     void DeInit() override
 143     {
 144         uno::Reference< lang::XComponent >(
 145             comphelper::getProcessComponentContext(),
 146         uno::UNO_QUERY_THROW)-> dispose();
 147         ::comphelper::setProcessServiceFactory(nullptr);
 148     }
 149
 150 };
 151
 152
 153 void vclmain::createApplication()
 154 {
 155     static DemoMtfApp aApp;
 156 }
 157
 158 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */