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 namespace {
  36
  37 class DemoMtfWin : public WorkWindow
  38 {
  39     GDIMetaFile maMtf;
  40
  41 public:
  42     explicit DemoMtfWin(const OUString& rFileName)
  43         : WorkWindow(nullptr, WB_APP | WB_STDWORK)
  44     {
  45         SvFileStream aFileStream(rFileName, StreamMode::READ);
  46
  47         if (aFileStream.IsOpen())
  48         {
  49             ReadWindowMetafile(aFileStream, maMtf);
  50         }
  51         else
  52         {
  53             Application::Abort("Can't read metafile");
  54         }
  55     }
  56
  57     virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)  override;
  58 };
  59
  60 }
  61
  62 void DemoMtfWin::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect)
  63 {
  64     maMtf.Play(*GetOutDev(), maMtf.GetActionSize());
  65
  66     WorkWindow::Paint(rRenderContext, rRect);
  67 }
  68
  69 namespace {
  70
  71 class DemoMtfApp : public Application
  72 {
  73     VclPtr<DemoMtfWin> mpWin;
  74     OUString maFileName;
  75
  76     static void showHelp()
  77     {
  78         fprintf(stderr, "Usage: mtfdemo --help | FILE\n");
  79         fprintf(stderr, "A VCL test app that displays Windows metafiles\n");
  80         std::exit(0);
  81     }
  82
  83 public:
  84
  85     DemoMtfApp()
  86         : mpWin(nullptr)
  87     {
  88     }
  89
  90     virtual int Main() override
  91     {
  92         try
  93         {
  94             mpWin = VclPtr<DemoMtfWin>::Create(maFileName);
  95             mpWin->SetText("Display metafile");
  96
  97             mpWin->Show();
  98
  99             Application::Execute();
 100         }
 101         catch (const css::uno::Exception&)
 102         {
 103             TOOLS_WARN_EXCEPTION("vcl.app", "Fatal");
 104             return 1;
 105         }
 106         catch (const std::exception& e)
 107         {
 108             SAL_WARN("vcl.app", "Fatal: " << e.what());
 109             return 1;
 110         }
 111         return 0;
 112     }
 113
 114 private:
 115     uno::Reference<lang::XMultiServiceFactory> xMSF;
 116     void Init() override
 117     {
 118         try
 119         {
 120             const sal_uInt16 nCmdParams = GetCommandLineParamCount();
 121
 122             if (nCmdParams == 0)
 123                 showHelp();
 124             else
 125             {
 126                 OUString aArg = GetCommandLineParam(0);
 127
 128                 if (aArg == "--help" || aArg == "-h")
 129                     showHelp();
 130                 else
 131                     maFileName = aArg;
 132             }
 133
 134             uno::Reference<uno::XComponentContext> xComponentContext
 135                 = ::cppu::defaultBootstrap_InitialComponentContext();
 136             xMSF.set(xComponentContext->getServiceManager(), uno::UNO_QUERY);
 137             if(!xMSF.is())
 138                 Application::Abort("Bootstrap failure - no service manager");
 139
 140             ::comphelper::setProcessServiceFactory(xMSF);
 141         }
 142         catch (const uno::Exception &e)
 143         {
 144             Application::Abort("Bootstrap exception " + e.Message);
 145         }
 146     }
 147
 148     void DeInit() override
 149     {
 150         uno::Reference< lang::XComponent >(
 151             comphelper::getProcessComponentContext(),
 152         uno::UNO_QUERY_THROW)-> dispose();
 153         ::comphelper::setProcessServiceFactory(nullptr);
 154     }
 155
 156 };
 157
 158 }
 159
 160 void vclmain::createApplication()
 161 {
 162     static DemoMtfApp aApp;
 163 }
 164
 165 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */