e0257cc505
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53154 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
143 lines
3.6 KiB
C++
143 lines
3.6 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: graphics.cpp
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// Purpose: Some benchmarks for measuring graphics operations performance
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// Author: Vadim Zeitlin
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// Created: 2008-04-13
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// RCS-ID: $Id$
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// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#include "wx/app.h"
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#include "wx/frame.h"
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#include "wx/cmdline.h"
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#include "wx/dcclient.h"
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#include "wx/dcmemory.h"
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#include "wx/stopwatch.h"
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struct GraphicsBenchmarkOptions
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{
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GraphicsBenchmarkOptions()
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{
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mapMode = 0;
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penWidth = 0;
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width = 800;
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height = 600;
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numLines = 10000;
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}
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long mapMode,
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penWidth,
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width,
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height,
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numLines;
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} opts;
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class GraphicsBenchmarkFrame : public wxFrame
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{
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public:
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GraphicsBenchmarkFrame()
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: wxFrame(NULL, wxID_ANY, "wxWidgets Graphics Benchmark")
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{
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Connect(wxEVT_PAINT,
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wxPaintEventHandler(GraphicsBenchmarkFrame::OnPaint));
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Show();
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SetClientSize(opts.width, opts.height);
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wxClientDC dc(this);
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BenchmarkLines("client", dc);
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wxBitmap bmp(opts.width, opts.height);
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wxMemoryDC dc2(bmp);
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BenchmarkLines("memory", dc2);
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}
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protected:
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void OnPaint(wxPaintEvent& WXUNUSED(event))
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{
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wxPaintDC dc(this);
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BenchmarkLines(" paint", dc);
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wxTheApp->ExitMainLoop();
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}
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void BenchmarkLines(const char *msg, wxDC& dc)
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{
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if ( opts.mapMode != 0 )
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dc.SetMapMode(opts.mapMode);
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if ( opts.penWidth != 0 )
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dc.SetPen(wxPen(*wxWHITE, opts.penWidth));
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wxPrintf("Benchmarking %s DC: ", msg);
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wxStopWatch sw;
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int x = 0,
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y = 0;
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for ( int n = 0; n < opts.numLines; n++ )
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{
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int x1 = rand() % opts.width,
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y1 = rand() % opts.height;
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dc.DrawLine(x, y, x1, y1);
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x = x1;
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y = y1;
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}
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const long t = sw.Time();
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wxPrintf("%d lines done in %lums = %gus/line\n",
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opts.numLines, t, (1000. * t)/opts.numLines);
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}
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};
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class GraphicsBenchmarkApp : public wxApp
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{
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public:
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virtual void OnInitCmdLine(wxCmdLineParser& parser)
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{
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static const wxCmdLineEntryDesc desc[] =
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{
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{ wxCMD_LINE_OPTION, "m", "map-mode", "", wxCMD_LINE_VAL_NUMBER },
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{ wxCMD_LINE_OPTION, "p", "pen-width", "", wxCMD_LINE_VAL_NUMBER },
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{ wxCMD_LINE_OPTION, "w", "width", "", wxCMD_LINE_VAL_NUMBER },
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{ wxCMD_LINE_OPTION, "h", "height", "", wxCMD_LINE_VAL_NUMBER },
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{ wxCMD_LINE_OPTION, "L", "lines", "", wxCMD_LINE_VAL_NUMBER },
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};
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parser.SetDesc(desc);
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}
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virtual bool OnCmdLineParsed(wxCmdLineParser& parser)
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{
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if ( parser.Found("m", &opts.mapMode) &&
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(opts.mapMode < 1 || opts.mapMode > wxMM_METRIC) )
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return false;
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if ( parser.Found("p", &opts.penWidth) && opts.penWidth < 1 )
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return false;
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if ( parser.Found("w", &opts.width) && opts.width < 1 )
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return false;
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if ( parser.Found("h", &opts.height) && opts.height < 1 )
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return false;
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if ( parser.Found("L", &opts.numLines) && opts.numLines < 1 )
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return false;
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return true;
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}
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virtual bool OnInit()
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{
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if ( !wxApp::OnInit() )
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return false;
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new GraphicsBenchmarkFrame;
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return true;
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}
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};
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IMPLEMENT_APP_CONSOLE(GraphicsBenchmarkApp)
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