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-rw-r--r--canvas/workben/canvasdemo.cxx674
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diff --git a/canvas/workben/canvasdemo.cxx b/canvas/workben/canvasdemo.cxx
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+++ b/canvas/workben/canvasdemo.cxx
@@ -0,0 +1,674 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed
+ * with this work for additional information regarding copyright
+ * ownership. The ASF licenses this file to you under the Apache
+ * License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+// This code strongly inspired by Miguel / Federico's Gnome Canvas demo code.
+
+#include <sal/config.h>
+
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/utils/canvastools.hxx>
+#include <com/sun/star/lang/XMultiServiceFactory.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/PathCapType.hpp>
+#include <com/sun/star/rendering/PathJoinType.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/ViewState.hpp>
+#include <com/sun/star/rendering/XBitmap.hpp>
+#include <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/XGraphicDevice.hpp>
+#include <com/sun/star/rendering/XSpriteCanvas.hpp>
+#include <com/sun/star/uno/XComponentContext.hpp>
+#include <comphelper/processfactory.hxx>
+#include <comphelper/random.hxx>
+#include <cppuhelper/bootstrap.hxx>
+#include <o3tl/safeint.hxx>
+#include <utility>
+#include <vcl/canvastools.hxx>
+#include <vcl/svapp.hxx>
+#include <vcl/vclmain.hxx>
+#include <vcl/wrkwin.hxx>
+
+using namespace ::com::sun::star;
+
+static void PrintHelp()
+{
+ fprintf( stdout, "canvasdemo - Exercise the new canvas impl\n" );
+}
+
+namespace {
+
+class TestWindow : public WorkWindow
+{
+ public:
+ TestWindow() : WorkWindow(nullptr, WB_APP | WB_STDWORK)
+ {
+ SetText("Canvas test");
+ SetSizePixel( Size( 600, 450 ) );
+ EnablePaint( true );
+ Show();
+ }
+ virtual ~TestWindow() override {}
+ virtual void MouseButtonUp( const MouseEvent& /*rMEvt*/ ) override
+ {
+ //TODO: do something cool
+ Application::Quit();
+ }
+ virtual void Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& rRect) override;
+};
+
+class DemoRenderer
+{
+ public:
+ Size maSize;
+ Size maBox;
+ rendering::ViewState maViewState;
+ rendering::RenderState maRenderState;
+ uno::Sequence< double > maColorBlack;
+ uno::Sequence< double > maColorRed;
+ uno::Reference< rendering::XCanvas > mxCanvas;
+ uno::Reference< rendering::XCanvasFont > mxDefaultFont;
+ uno::Reference< rendering::XGraphicDevice > mxDevice;
+
+ DemoRenderer( uno::Reference< rendering::XGraphicDevice > xDevice,
+ uno::Reference< rendering::XCanvas > xCanvas,
+ Size aSize ) :
+ maSize(aSize),
+ maColorBlack( vcl::unotools::colorToStdColorSpaceSequence( COL_BLACK) ),
+ maColorRed( vcl::unotools::colorToStdColorSpaceSequence( COL_RED) ),
+ mxCanvas(xCanvas),
+ mxDevice(std::move( xDevice ))
+ {
+ // Geometry init
+ geometry::AffineMatrix2D aUnit( 1,0, 0,
+ 0,1, 0 );
+ maViewState.AffineTransform = aUnit;
+ maRenderState.AffineTransform = aUnit;
+ maRenderState.DeviceColor = maColorBlack;
+
+ //I can't figure out what the compositeoperation stuff does
+ //it doesn't seem to do anything in either VCL or cairocanvas
+ //I was hoping that CLEAR would clear the canvas before we paint,
+ //but nothing changes
+ maRenderState.CompositeOperation = rendering::CompositeOperation::OVER;
+
+ maBox.setWidth(aSize.Width() / 3);
+ maBox.setHeight(aSize.Height() / 3);
+
+ lang::Locale aLocale;
+ rendering::FontInfo aFontInfo;
+ aFontInfo.FamilyName = "Swiss";
+ aFontInfo.StyleName = "SansSerif";
+ geometry::Matrix2D aFontMatrix( 1, 0,
+ 0, 1 );
+ rendering::FontRequest aFontRequest( aFontInfo, 12.0, 0.0, aLocale );
+ uno::Sequence< beans::PropertyValue > aExtraFontProperties;
+ mxDefaultFont = xCanvas->createFont( aFontRequest, aExtraFontProperties, aFontMatrix );
+ if( !mxDefaultFont.is() )
+ fprintf( stderr, "Failed to create font\n" );
+ }
+
+ void drawGrid()
+ {
+ tools::Long d, dIncr = maSize.Width() / 3;
+ for ( d = 0; d <= maSize.Width(); d += dIncr )
+ mxCanvas->drawLine( geometry::RealPoint2D( d, 0 ),
+ geometry::RealPoint2D( d, maSize.Height() ),
+ maViewState, maRenderState );
+ dIncr = maSize.Height() / 3;
+ for ( d = 0; d <= maSize.Height(); d += dIncr )
+ mxCanvas->drawLine( geometry::RealPoint2D( 0, d ),
+ geometry::RealPoint2D( maSize.Width(), d ),
+ maViewState, maRenderState );
+ }
+
+ void drawStringAt( OString aString, double x, double y )
+ {
+ rendering::StringContext aText;
+ aText.Text = OStringToOUString( aString, RTL_TEXTENCODING_UTF8 );
+ aText.StartPosition = 0;
+ aText.Length = aString.getLength();
+ rendering::RenderState aRenderState( maRenderState );
+ aRenderState.AffineTransform.m02 += x;
+ aRenderState.AffineTransform.m12 += y;
+
+ mxCanvas->drawText( aText, mxDefaultFont, maViewState, aRenderState, 0);
+ }
+
+ void drawRect( tools::Rectangle rRect, const uno::Sequence< double > &aColor, int /*nWidth*/ )
+ {
+ uno::Sequence< uno::Sequence< geometry::RealPoint2D > > aPolys
+ {
+ {
+ { o3tl::narrowing<double>(rRect.Left()), o3tl::narrowing<double>(rRect.Top()) },
+ { o3tl::narrowing<double>(rRect.Left()), o3tl::narrowing<double>(rRect.Bottom()) },
+ { o3tl::narrowing<double>(rRect.Right()), o3tl::narrowing<double>(rRect.Bottom()) },
+ { o3tl::narrowing<double>(rRect.Right()), o3tl::narrowing<double>(rRect.Top()) }
+ }
+ };
+ auto xPoly = mxDevice->createCompatibleLinePolyPolygon( aPolys );
+ xPoly->setClosed( 0, true );
+
+ rendering::RenderState aRenderState( maRenderState );
+ aRenderState.DeviceColor = aColor;
+ mxCanvas->drawPolyPolygon( xPoly, maViewState, aRenderState );
+ }
+
+ void translate( double x, double y)
+ {
+ maRenderState.AffineTransform.m02 += x;
+ maRenderState.AffineTransform.m12 += y;
+ }
+
+ void drawPolishDiamond( double center_x, double center_y)
+ {
+ const int VERTICES = 10;
+ const double RADIUS = 60.0;
+ int i, j;
+
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( center_x, center_y );
+
+ for (i = 0; i < VERTICES; i++)
+ {
+ double a = 2.0 * M_PI * i / VERTICES;
+ geometry::RealPoint2D aSrc( RADIUS * cos (a), RADIUS * sin (a) );
+
+ for (j = i + 1; j < VERTICES; j++)
+ {
+ a = 2.0 * M_PI * j / VERTICES;
+
+// FIXME: set cap_style to 'ROUND'
+ mxCanvas->drawLine( aSrc,
+ geometry::RealPoint2D( RADIUS * cos (a),
+ RADIUS * sin (a) ),
+ maViewState, maRenderState );
+ }
+ }
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ void drawHilbert( double anchor_x, double anchor_y )
+ {
+ const double SCALE=7.0;
+ const char hilbert[] = "urdrrulurulldluuruluurdrurddldrrruluurdrurddldrddlulldrdldrrurd";
+ int nLength = std::size( hilbert );
+
+ uno::Sequence< geometry::RealPoint2D > aPoints( nLength );
+ auto pPoints = aPoints.getArray();
+ uno::Reference< rendering::XLinePolyPolygon2D > xPoly;
+
+ pPoints[0] = geometry::RealPoint2D( anchor_x, anchor_y );
+ for (int i = 0; i < nLength; i++ )
+ {
+ switch( hilbert[i] )
+ {
+ case 'u':
+ pPoints[i+1] = geometry::RealPoint2D( aPoints[i].X,
+ aPoints[i].Y - SCALE );
+ break;
+ case 'd':
+ pPoints[i+1] = geometry::RealPoint2D( aPoints[i].X,
+ aPoints[i].Y + SCALE );
+ break;
+ case 'l':
+ pPoints[i+1] = geometry::RealPoint2D( aPoints[i].X - SCALE,
+ aPoints[i].Y );
+ break;
+ case 'r':
+ pPoints[i+1] = geometry::RealPoint2D( aPoints[i].X + SCALE,
+ aPoints[i].Y );
+ break;
+ }
+ }
+
+ uno::Sequence< uno::Sequence< geometry::RealPoint2D > > aPolys { aPoints };
+
+ xPoly = mxDevice->createCompatibleLinePolyPolygon( aPolys );
+ xPoly->setClosed( 0, false );
+
+ rendering::RenderState aRenderState( maRenderState );
+ aRenderState.DeviceColor = maColorRed;
+// aRenderState.DeviceColor[3] = 0.5;
+ rendering::StrokeAttributes aStrokeAttrs;
+ aStrokeAttrs.StrokeWidth = 4.0;
+ aStrokeAttrs.MiterLimit = 2.0; // ?
+ aStrokeAttrs.StartCapType = rendering::PathCapType::BUTT;
+ aStrokeAttrs.EndCapType = rendering::PathCapType::BUTT;
+ aStrokeAttrs.JoinType = rendering::PathJoinType::MITER;
+ //fprintf( stderr, "FIXME: stroking a tools::PolyPolygon doesn't show up\n" );
+ //yes it does
+ mxCanvas->strokePolyPolygon( xPoly, maViewState, aRenderState, aStrokeAttrs );
+ // FIXME: do this instead:
+ //mxCanvas->drawPolyPolygon( xPoly, maViewState, aRenderState );
+ }
+
+ void drawTitle( OString aTitle )
+ {
+ // FIXME: text anchoring to be done
+ double nStringWidth = aTitle.getLength() * 8.0;
+ drawStringAt ( aTitle, (maBox.Width() - nStringWidth) / 2, 15 );
+ }
+
+ void drawRectangles()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+
+ drawTitle( "Rectangles"_ostr );
+
+ drawRect( tools::Rectangle( 20, 30, 70, 60 ), maColorRed, 8 );
+ // color mediumseagreen, stipple fill, outline black
+ drawRect( tools::Rectangle( 90, 40, 180, 100 ), maColorBlack, 4 );
+ // color steelblue, filled, no outline
+ drawRect( tools::Rectangle( 10, 80, 80, 140 ), maColorBlack, 1 );
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ void drawEllipses()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( maBox.Width(), 0.0 );
+
+ drawTitle( "Ellipses"_ostr );
+
+ const basegfx::B2DPoint aCenter( maBox.Width()*.5,
+ maBox.Height()*.5 );
+ const basegfx::B2DPoint aRadii( maBox.Width()*.3,
+ maBox.Height()*.3 );
+ const basegfx::B2DPolygon& rEllipse(
+ basegfx::utils::createPolygonFromEllipse( aCenter,
+ aRadii.getX(),
+ aRadii.getY() ));
+
+ uno::Reference< rendering::XPolyPolygon2D > xPoly(
+ basegfx::unotools::xPolyPolygonFromB2DPolygon(mxDevice,
+ rEllipse) );
+
+ rendering::StrokeAttributes aStrokeAttrs;
+ aStrokeAttrs.StrokeWidth = 4.0;
+ aStrokeAttrs.MiterLimit = 2.0; // ?
+ aStrokeAttrs.StartCapType = rendering::PathCapType::BUTT;
+ aStrokeAttrs.EndCapType = rendering::PathCapType::BUTT;
+ aStrokeAttrs.JoinType = rendering::PathJoinType::MITER;
+ mxCanvas->strokePolyPolygon( xPoly, maViewState, maRenderState, aStrokeAttrs );
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ void drawText()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( maBox.Width() * 2.0, 0.0 );
+
+ drawTitle( "Text"_ostr );
+
+ translate( 0.0,
+ maBox.Height() * .5 );
+ drawTitle( "This is lame"_ostr );
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ void drawImages()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( 0.0, maBox.Height() );
+
+ drawTitle( "Images"_ostr );
+
+ uno::Reference< rendering::XBitmap > xBitmap(mxCanvas, uno::UNO_QUERY);
+
+ if( !xBitmap.is() )
+ return;
+
+ translate( maBox.Width()*0.1, maBox.Height()*0.2 );
+ maRenderState.AffineTransform.m00 *= 4.0/15;
+ maRenderState.AffineTransform.m11 *= 3.0/15;
+
+ mxCanvas->drawBitmap(xBitmap, maViewState, maRenderState);
+
+ // uno::Reference< rendering::XBitmap > xBitmap2( xBitmap->getScaledBitmap(geometry::RealSize2D(48, 48), false) );
+ // mxCanvas->drawBitmap(xBitmap2, maViewState, maRenderState); //yes, but where?
+ //cairo-canvas says:
+ //called CanvasHelper::getScaledBitmap, we return NULL, TODO
+ //Exception 'BitmapEx vclcanvas::tools::bitmapExFromXBitmap(const css::uno::Reference<css::rendering::XBitmap>&),
+ //bitmapExFromXBitmap(): could not extract BitmapEx' thrown
+
+ //vcl-canvas says:
+ //Exception 'BitmapEx vclcanvas::tools::bitmapExFromXBitmap(const css::uno::Reference<css::rendering::XBitmap>&),
+ //bitmapExFromXBitmap(): could not extract bitmap' thrown
+ // Thorsten says that this is a bug, and Thorsten never lies.
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ void drawLines()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( maBox.Width(), maBox.Height() );
+
+ drawTitle( "Lines"_ostr );
+
+ drawPolishDiamond( 70.0, 80.0 );
+ drawHilbert( 140.0, 140.0 );
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ void drawCurves()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( maBox.Width() * 2.0, maBox.Height() );
+
+ drawTitle( "Curves"_ostr );
+
+ translate( maBox.Width() * .5, maBox.Height() * .5 );
+
+ const double r= 30.0;
+ const int num_curves = 3;
+
+ //hacky hack hack
+ uno::Sequence< geometry::RealBezierSegment2D > aBeziers (num_curves);
+ auto pBeziers = aBeziers.getArray();
+ uno::Reference< rendering::XBezierPolyPolygon2D > xPoly;
+
+ for (int i= 0; i < num_curves; i++)
+ pBeziers[i]= geometry::RealBezierSegment2D( r * cos(i*2*M_PI/num_curves), //Px
+ r * sin(i*2*M_PI/num_curves), //py
+ r * 2 * cos((i*2*M_PI + 2*M_PI)/num_curves), //C1x
+ r * 2 * sin((i*2*M_PI + 2*M_PI)/num_curves), //C1y
+ r * 2 * cos((i*2*M_PI + 2*M_PI)/num_curves), //C2x
+ r * 2 * sin((i*2*M_PI + 2*M_PI)/num_curves)); //C2y
+ uno::Sequence< uno::Sequence< geometry::RealBezierSegment2D > > aPolys { aBeziers };
+ xPoly = mxDevice->createCompatibleBezierPolyPolygon(aPolys);
+ xPoly->setClosed( 0, true );
+ //uno::Reference< rendering::XBezierPolyPolygon2D> xPP( xPoly, uno::UNO_QUERY );
+ //compiles, but totally screws up. I think it is interpreting the bezier as a line
+
+ rendering::StrokeAttributes aStrokeAttrs;
+ aStrokeAttrs.StrokeWidth = 4.0;
+ aStrokeAttrs.MiterLimit = 2.0; // ?
+ aStrokeAttrs.StartCapType = rendering::PathCapType::BUTT;
+ aStrokeAttrs.EndCapType = rendering::PathCapType::BUTT;
+ aStrokeAttrs.JoinType = rendering::PathJoinType::MITER;
+ mxCanvas->strokePolyPolygon( xPoly, maViewState, maRenderState, aStrokeAttrs );
+ //you can't draw a BezierPolyPolygon2D with this, even though it is derived from it
+ //mxCanvas->drawPolyPolygon( xPoly, maViewState, maRenderState );
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ double gimmerand()
+ {
+ return comphelper::rng::uniform_real_distribution(0, 100);
+ }
+
+ void drawArcs()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( 0.0, maBox.Height() * 2.0 );
+
+ drawTitle( "Arcs"_ostr );
+
+
+ //begin hacks
+ //This stuff doesn't belong here, but probably in curves
+ //This stuff doesn't work in VCL b/c vcl doesn't do beziers
+ //Hah! Every time the window redraws, we do this
+ double bx;
+ double by;
+ bx= gimmerand();
+ by= gimmerand();
+
+ for (int i= 0; i < 1; i++)
+ {
+ double ax;
+ double ay;
+ //point a= point b;
+ ax= bx;
+ ay= by;
+ //point b= rand;
+ bx= gimmerand();
+ by= gimmerand();
+ double c1x= gimmerand();
+ double c1y= gimmerand();
+ double c2x= gimmerand();
+ double c2y= gimmerand();
+ maRenderState.DeviceColor = maColorRed;
+ mxCanvas->drawLine(geometry::RealPoint2D(ax, ay), geometry::RealPoint2D(c1x, c1y), maViewState, maRenderState);
+ mxCanvas->drawLine(geometry::RealPoint2D(c1x, c1y), geometry::RealPoint2D(c2x, c2y), maViewState, maRenderState);
+ mxCanvas->drawLine(geometry::RealPoint2D(bx, by), geometry::RealPoint2D(c2x, c2y), maViewState, maRenderState);
+ //draw from a to b
+ geometry::RealBezierSegment2D aBezierSegment(
+ ax, //Px
+ ay, //Py
+ c1x,
+ c1x,
+ c2x,
+ c2y
+ );
+ geometry::RealPoint2D aEndPoint(bx, by);
+ maRenderState.DeviceColor = maColorBlack;
+ mxCanvas->drawBezier(
+ aBezierSegment,
+ aEndPoint,
+ maViewState, maRenderState );
+ }
+ maRenderState = maOldRenderState; // pop
+ }
+
+
+ void drawRegularPolygon(double centerx, double centery, int sides, double r)
+ {
+ //hacky hack hack
+ uno::Sequence< geometry::RealPoint2D > aPoints (sides);
+ auto pPoints = aPoints.getArray();
+ uno::Reference< rendering::XLinePolyPolygon2D > xPoly;
+
+ for (int i= 0; i < sides; i++)
+ {
+ pPoints[i]= geometry::RealPoint2D( centerx + r * cos(i*2 * M_PI/sides),
+ centery + r * sin(i*2 * M_PI/sides));
+ }
+ uno::Sequence< uno::Sequence< geometry::RealPoint2D > > aPolys { aPoints };
+ xPoly = mxDevice->createCompatibleLinePolyPolygon( aPolys );
+ xPoly->setClosed( 0, true );
+ rendering::RenderState aRenderState( maRenderState );
+ aRenderState.DeviceColor = maColorRed;
+ mxCanvas->drawPolyPolygon( xPoly, maViewState, aRenderState);
+ mxCanvas->fillPolyPolygon( xPoly,
+ maViewState,
+ aRenderState );
+ }
+
+ void drawPolygons()
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( maBox.Width() * 1.0, maBox.Height() * 2.0 );
+
+ drawTitle( "Polygons"_ostr );
+
+ int sides= 3;
+ for (int i= 1; i <= 4; i++)
+ {
+ drawRegularPolygon(35*i, 35, sides, 15);
+ sides++;
+ }
+
+ maRenderState = maOldRenderState; // pop
+ }
+
+ void drawWidgets() // FIXME: prolly makes no sense
+ {
+ rendering::RenderState maOldRenderState = maRenderState; // push
+ translate( maBox.Width() * 2.0, maBox.Height() * 2.0 );
+
+ drawTitle( "Widgets"_ostr );
+
+ maRenderState = maOldRenderState; // pop
+ }
+};
+
+}
+
+void TestWindow::Paint(vcl::RenderContext&, const tools::Rectangle&)
+{
+ try
+ {
+ uno::Reference< rendering::XCanvas > xVDevCanvas( GetOutDev()->GetCanvas(),
+ uno::UNO_SET_THROW );
+ uno::Reference< rendering::XGraphicDevice > xVDevDevice( xVDevCanvas->getDevice(),
+ uno::UNO_SET_THROW );
+ DemoRenderer aVDevRenderer( xVDevDevice, xVDevCanvas, GetSizePixel());
+ xVDevCanvas->clear();
+ aVDevRenderer.drawGrid();
+ aVDevRenderer.drawRectangles();
+ aVDevRenderer.drawEllipses();
+ aVDevRenderer.drawText();
+ aVDevRenderer.drawLines();
+ aVDevRenderer.drawCurves();
+ aVDevRenderer.drawArcs();
+ aVDevRenderer.drawPolygons();
+
+ uno::Reference< rendering::XCanvas > xCanvas( GetOutDev()->GetSpriteCanvas(),
+ uno::UNO_QUERY_THROW );
+ uno::Reference< rendering::XGraphicDevice > xDevice( xCanvas->getDevice(),
+ uno::UNO_SET_THROW );
+
+ DemoRenderer aRenderer( xDevice, xCanvas, GetSizePixel() );
+ xCanvas->clear();
+ aRenderer.drawGrid();
+ aRenderer.drawRectangles();
+ aRenderer.drawEllipses();
+ aRenderer.drawText();
+ aRenderer.drawLines();
+ aRenderer.drawCurves();
+ aRenderer.drawArcs();
+ aRenderer.drawPolygons();
+ aRenderer.drawWidgets();
+ aRenderer.drawImages();
+
+ // check whether virdev actually contained something
+ uno::Reference< rendering::XBitmap > xBitmap(xVDevCanvas, uno::UNO_QUERY);
+ if( !xBitmap.is() )
+ return;
+
+ aRenderer.maRenderState.AffineTransform.m02 += 100;
+ aRenderer.maRenderState.AffineTransform.m12 += 100;
+ xCanvas->drawBitmap(xBitmap, aRenderer.maViewState, aRenderer.maRenderState);
+
+ uno::Reference< rendering::XSpriteCanvas > xSpriteCanvas( xCanvas,
+ uno::UNO_QUERY );
+ if( xSpriteCanvas.is() )
+ xSpriteCanvas->updateScreen( true ); // without
+ // updateScreen(),
+ // nothing is
+ // visible
+ }
+ catch (const uno::Exception &e)
+ {
+ fprintf( stderr, "Exception '%s' thrown\n" ,
+ OUStringToOString( e.Message, RTL_TEXTENCODING_UTF8 ).getStr() );
+ }
+}
+
+namespace {
+
+class DemoApp : public Application
+{
+public:
+ virtual int Main() override;
+ virtual void Exception(ExceptionCategory nCategory) override;
+
+protected:
+ void Init() override;
+ void DeInit() override;
+};
+
+}
+
+int DemoApp::Main()
+{
+ bool bHelp = false;
+
+ for( unsigned int i = 0; i < GetCommandLineParamCount(); i++ )
+ {
+ OUString aParam = GetCommandLineParam( i );
+
+ if( aParam == "--help" || aParam == "-h" )
+ bHelp = true;
+ }
+
+ if( bHelp )
+ {
+ PrintHelp();
+ return 1;
+ }
+
+ ScopedVclPtr<TestWindow> aWindow = VclPtr<TestWindow>::Create();
+ aWindow->Show();
+
+ Application::Execute();
+ return 0;
+}
+
+void DemoApp::Exception( ExceptionCategory )
+{
+}
+
+void DemoApp::Init()
+{
+ try
+ {
+ uno::Reference<uno::XComponentContext> xComponentContext
+ = ::cppu::defaultBootstrap_InitialComponentContext();
+ uno::Reference<lang::XMultiServiceFactory> xMSF;
+ xMSF.set(xComponentContext->getServiceManager(), uno::UNO_QUERY);
+ if(!xMSF.is())
+ Application::Abort("Bootstrap failure - no service manager");
+
+ ::comphelper::setProcessServiceFactory(xMSF);
+ }
+ catch (const uno::Exception &e)
+ {
+ Application::Abort("Bootstrap exception " + e.Message);
+ }
+}
+
+void DemoApp::DeInit()
+{
+ uno::Reference< lang::XComponent >(
+ comphelper::getProcessComponentContext(),
+ uno::UNO_QUERY_THROW)-> dispose();
+ ::comphelper::setProcessServiceFactory(nullptr);
+}
+
+void vclmain::createApplication()
+{
+ static DemoApp aApp;
+}
+
+// TODO
+// - bouncing clip-rectangle mode - bounce a clip-rect around the window...
+// - complete all of pre-existing canvas bits
+// - affine transform tweakage...
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 16:22:14 +0000