int MapWindow::SharedTopView(LKSurface& Surface, DiagrammStruct* psDia , double fAS_Bearing, double fWP_Bearing) { int iOldDisplayOrientation = DisplayOrientation; DiagrammStruct m_Dia = *psDia; const RECT& rct = m_Dia.rc; unsigned short getsideviewpage=GetSideviewPage(); LKASSERT(getsideviewpage<NUMBER_OF_SHARED_MULTIMAPS); LKASSERT(Current_Multimap_SizeY!=SIZE0); DisplayOrientation = GetMMNorthUp(getsideviewpage); switch(GetMMNorthUp(getsideviewpage)) { case TRACKUP: break; case NORTHUP: default: m_Dia.fXMin = -m_Dia.fXMax; break; } double fOldScale = zoom.Scale(); const auto hfOld = Surface.SelectObject(LK8PanelUnitFont); if(zoom.AutoZoom()) zoom.AutoZoom(false); double fFact = 1.25 ; #ifdef INIT_CASE switch(ScreenSize) { case ss800x480: fFact=0.750; break; case ss640x480: fFact=0.938; break; case ss480x272: fFact=0.708; break; case ss400x240: fFact=0.750; break; case ss320x240: fFact=0.938; break; case ss480x800: fFact=1.250; break; case ss480x640: fFact=1.250; break; case ss272x480: fFact=1.250; break; case ss240x400: fFact=1.250; break; case ss240x320: fFact=1.250; break; default: fFact=1.000; break; } #endif if((ScreenSizeX > 0) && (ScreenSizeY > 0)) { if(ScreenSizeX > ScreenSizeY) fFact = (double)ScreenSizeY/(double)ScreenSizeX * 1.250; } PanLatitude = DrawInfo.Latitude; PanLongitude = DrawInfo.Longitude; switch(GetMMNorthUp(getsideviewpage)) { case TRACKUP: DisplayAngle = AngleLimit360(fAS_Bearing +270.0); DisplayAircraftAngle = AngleLimit360(fWP_Bearing); break; case NORTHUP: default: DisplayAngle = 0; if( getsideviewpage == IM_HEADING || getsideviewpage==IM_VISUALGLIDE) DisplayAircraftAngle = AngleLimit360(fAS_Bearing); else DisplayAircraftAngle = AngleLimit360(DrawInfo.TrackBearing); break; } int iOldLocator = EnableThermalLocator; EnableThermalLocator =0; /*******/ #warning "wrong place for do that, always bad idea to change layout inside drawing fonctions !" MapWindow::ChangeDrawRect(rct); // set new area for terrain and topology /*******/ zoom.RequestedScale((m_Dia.fXMax -m_Dia.fXMin) * fFact * (DISTANCEMODIFY)/10.0f); POINT Orig = { CalcDistanceCoordinat(0.0, (DiagrammStruct*) &m_Dia),(rct.bottom-rct.top)/2}; POINT Orig_Aircraft= {0,0}; zoom.ModifyMapScale(); zoom.UpdateMapScale(); const ScreenProjection _Proj = CalculateScreenPositions( Orig, rct, &Orig_Aircraft); CalculateScreenPositionsAirspace(rct, _Proj); bool terrainpainted=false; if (IsMultimapTerrain() && DerivedDrawInfo.TerrainValid && RasterTerrain::isTerrainLoaded() ) { LKTextBlack=false; BlackScreen=false; LockTerrainDataGraphics(); DrawTerrain(Surface, rct, _Proj, GetAzimuth(), 40.0); UnlockTerrainDataGraphics(); terrainpainted=true; } else { // We fill up the background wity chosen empty map color Surface.FillRect(&rct, hInvBackgroundBrush[BgMapColor]); // We force LK painting black values on screen depending on the background color in use // blackscreen would force everything to be painted white, instead LKTextBlack=BgMapColorTextBlack[BgMapColor]; if (BgMapColor>6 ) BlackScreen=true; else BlackScreen=false; } ResetLabelDeclutter(); // We reduce screen cluttering for some cases.. short olddecluttermode=DeclutterMode; if (Current_Multimap_SizeY==SIZE4) goto _nomoredeclutter; if (Current_Multimap_SizeY<SIZE3) { DeclutterMode+=2; } else { if (Current_Multimap_SizeY==SIZE3) DeclutterMode++; } if (DeclutterMode>dmVeryHigh) DeclutterMode=dmVeryHigh; _nomoredeclutter: if (IsMultimapTopology()) { // Do not print topology labels, to be used with another config later! // SaturateLabelDeclutter(); DrawTopology(Surface, rct, _Proj); } else { // No topology is desired, but terrain requires water areas nevertheless if (terrainpainted) { DrawTopology(Surface, rct, _Proj, true); // water only! } } if (IsMultimapAirspace()) { DrawAirSpace(Surface, rct, _Proj); // full screen, to hide clipping effect on low border } if (Flags_DrawTask && MapSpaceMode!=MSM_MAPASP && ValidTaskPoint(ActiveTaskPoint) && ValidTaskPoint(1)) { DrawTaskAAT(Surface, rct); DrawTask(Surface, rct, _Proj, Orig_Aircraft); } if (IsMultimapWaypoints()) { DrawWaypointsNew(Surface,rct); } if (Flags_DrawFAI) DrawFAIOptimizer(Surface, rct, _Proj, Orig_Aircraft); DeclutterMode=olddecluttermode; // set it back correctly /* THIS STUFF DOES NOT WORK IN SHARED MAPS, YET NEED FIXING LatLon2Screen for shared maps using Sideview #ifdef GTL2 if (((FinalGlideTerrain == 2) || (FinalGlideTerrain == 4)) && DerivedDrawInfo.TerrainValid) DrawTerrainAbove(hdc, rct); #endif */ // // Stuff for MAPTRK only (M1) if (MapSpaceMode==MSM_MAPTRK) { if(IsMultimapTerrain() || IsMultimapTopology() ) { if (FinalGlideTerrain && DerivedDrawInfo.TerrainValid) DrawGlideThroughTerrain(Surface, rct, _Proj); } if (extGPSCONNECT) DrawBearing(Surface, rct, _Proj); // Wind arrow if (IsMultimapOverlaysGauges()) DrawWindAtAircraft2(Surface, Orig_Aircraft, rct); } if (MapSpaceMode==MSM_MAPWPT) { if (extGPSCONNECT) DrawBearing(Surface, rct, _Proj); } switch(GetMMNorthUp(getsideviewpage)) { case NORTHUP: default: DrawCompass( Surface, rct, 0); break; case TRACKUP: if(getsideviewpage == IM_HEADING || getsideviewpage == IM_VISUALGLIDE) DrawCompass( Surface, rct, DrawInfo.TrackBearing-90.0); else DrawCompass( Surface, rct, DisplayAngle); break; } /**************************************************************************************************** * draw vertical line ****************************************************************************************************/ POINT line[2]; line[0].x = rct.left; line[0].y = Orig_Aircraft.y-1; line[1].x = rct.right; line[1].y = line[0].y; switch(GetMMNorthUp(getsideviewpage)) { case TRACKUP: // Are we are not topview fullscreen? if (Current_Multimap_SizeY<SIZE4 && !(MapSpaceMode==MSM_VISUALGLIDE)) { Surface.DrawDashLine(NIBLSCALE(1), line[0], line[1], Sideview_TextColor, rct); } else { if (TrackBar) { DrawHeadUpLine(Surface, Orig, rct, psDia->fXMin ,psDia->fXMax); if (ISGAAIRCRAFT) DrawFuturePos(Surface, Orig, rct, true); } } break; case NORTHUP: default: if (TrackBar) { DrawHeadUpLine(Surface, Orig, rct, psDia->fXMin ,psDia->fXMax); if (ISGAAIRCRAFT) DrawFuturePos(Surface, Orig, rct, true); } break; } DrawAircraft(Surface, Orig_Aircraft); // M3 has sideview always on, so wont apply here, and no need to check if (Current_Multimap_SizeY==SIZE4) { DrawMapScale(Surface,rct,0); } MapWindow::zoom.RequestedScale(fOldScale); EnableThermalLocator = iOldLocator; DisplayOrientation = iOldDisplayOrientation; Surface.SelectObject(hfOld); return 0; }
void MapWindow::RenderMapWindowBg(HDC hdc, const RECT rc, const POINT &Orig, const POINT &Orig_Aircraft) { HFONT hfOld; // Calculations are taking time and slow down painting of map, beware #define MULTICALC_MINROBIN 5 // minimum split #define MULTICALC_MAXROBIN 20 // max split static short multicalc_slot=0;// -1 (which becomes immediately 0) will force full loading on startup, but this is not good // because currently we are not waiting for ProgramStarted=3 // and the first scan is made while still initializing other things // TODO assign numslots with a function, based also on available CPU time short numslots=1; #if NEWSMARTZOOM static double quickdrawscale=0.0; static double delta_drawscale=1.0; #endif // If we have a BigZoom request, we serve it immediately without calculating anything // TODO: stretch the old map bitmap to the new zoom, while fastzooming if (QUICKDRAW) { goto fastzoom; } if (NumberOfWayPoints>200) { numslots=NumberOfWayPoints/400; // keep numslots optimal if (numslots<MULTICALC_MINROBIN) numslots=MULTICALC_MINROBIN; // seconds for full scan, as this is executed at 1Hz if (numslots>MULTICALC_MAXROBIN) numslots=MULTICALC_MAXROBIN; // When waypointnumber has changed, we wont be using an exceeded multicalc_slot, which would crash the sw // In this case, we shall probably continue for the first round to calculate without going from the beginning // but this is not a problem, we are round-robin all the time here. if (++multicalc_slot>numslots) multicalc_slot=1; } else { multicalc_slot=0; // forcing full scan } // Here we calculate arrival altitude, GD etc for map waypoints. Splitting with multicalc will result in delayed // updating of visible landables, for example. The nearest pages do this separately, with their own sorting. // Basically we assume -like for nearest- that values will not change that much in the multicalc split time. // Target and tasks are recalculated in real time in any case. Nearest too. LKCalculateWaypointReachable(multicalc_slot, numslots); CalculateScreenPositionsAirspace(); CalculateScreenPositionsThermalSources(); CalculateScreenPositionsGroundline(); if (PGZoomTrigger) { if(!mode.Is(Mode::MODE_PANORAMA)) { mode.Special(Mode::MODE_SPECIAL_PANORAMA, true); LastZoomTrigger=GPS_INFO.Time; Message::Lock(); Message::AddMessage(1000, 3, gettext(TEXT("_@M872_"))); // LANDSCAPE ZOOM FOR 20s Message::Unlock(); #ifndef DISABLEAUDIO if (EnableSoundModes) LKSound(TEXT("LK_TONEUP.WAV")); #endif } else { // previously called, see if time has passed if ( GPS_INFO.Time > (LastZoomTrigger + 20.0)) { // time has passed, lets go back LastZoomTrigger=0; // just for safety mode.Special(Mode::MODE_SPECIAL_PANORAMA, false); PGZoomTrigger=false; Message::Lock(); Message::AddMessage(1500, 3, gettext(TEXT("_@M873_"))); // BACK TO NORMAL ZOOM Message::Unlock(); #ifndef DISABLEAUDIO if (EnableSoundModes) LKSound(TEXT("LK_TONEDOWN.WAV")); #endif } } } // let the calculations run, but dont draw anything but the look8000 when in MapSpaceMode != MSM_MAP if (DONTDRAWTHEMAP) { QuickRedraw: // 100318 speedup redraw DrawLook8000(hdc,rc); #ifdef CPUSTATS DrawCpuStats(hdc,rc); #endif #ifdef DRAWDEBUG DrawDebug(hdc,rc); #endif // no need to do SelectObject as at the bottom of function return; } // When no terrain is painted, set a background0 // Remember that in this case we have plenty of cpu time to spend for best result if (!EnableTerrain || !DerivedDrawInfo.TerrainValid || !RasterTerrain::isTerrainLoaded() ) { // display border and fill background.. SelectObject(hdc, hInvBackgroundBrush[BgMapColor]); SelectObject(hdc, GetStockObject(WHITE_PEN)); Rectangle(hdc,rc.left,rc.top,rc.right,rc.bottom); // We force LK painting black values on screen depending on the background color in use // TODO make it an array once settled // blackscreen would force everything to be painted white, instead LKTextBlack=BgMapColorTextBlack[BgMapColor]; if (BgMapColor>6 ) BlackScreen=true; else BlackScreen=false; } else { LKTextBlack=false; BlackScreen=false; } fastzoom: #if NEWSMARTZOOM // Copy the old background map with no overlays if (ONSMARTZOOM) { if (quickdrawscale>0) { delta_drawscale=zoom.DrawScale() / quickdrawscale; } // StartupStore(_T("... QuickDrawScale=%.2f new zoom=%.2f delta=%.2f\n"),quickdrawscale,zoom.DrawScale(),delta_drawscale); int dx=MapRect.right-MapRect.left; int dy=MapRect.bottom-MapRect.top; // notice: zoom in is always ok.. but zoom out starting from high zoom levels will make the picture // very small and unusable. We can consider to zoom out in fast zoom normally, in such cases? // // Notice 2: the delta is not yet working correctly // if (delta_drawscale>1.0) { // zoom in StretchBlt(hdcDrawWindow, 0,0, dx,dy, hdcQuickDrawWindow, (int)((dx/2) - (dx / delta_drawscale)/2), (int)((dy/2) - (dy / delta_drawscale)/2), (int)(dx / delta_drawscale), (int)(dy / delta_drawscale), SRCCOPY); } else { // zoom out StretchBlt(hdcDrawWindow, (int)((dx/2) - (dx * delta_drawscale)/2), (int)((dy/2) - (dy * delta_drawscale)/2), (int)(dx * delta_drawscale), (int)(dy * delta_drawscale), hdcQuickDrawWindow, 0,0, dx,dy, SRCCOPY); } } #endif SelectObject(hdc, GetStockObject(BLACK_BRUSH)); SelectObject(hdc, GetStockObject(BLACK_PEN)); hfOld = (HFONT)SelectObject(hdc, MapWindowFont); // ground first... if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } #if NEWSMARTZOOM if ( OFFSMARTZOOM ) { #endif if ((EnableTerrain && (DerivedDrawInfo.TerrainValid) && RasterTerrain::isTerrainLoaded()) ) { // sunelevation is never used, it is still a todo in Terrain double sunelevation = 40.0; double sunazimuth=GetAzimuth(); LockTerrainDataGraphics(); if (DONTDRAWTHEMAP) { // 100318 UnlockTerrainDataGraphics(); SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } DrawTerrain(hdc, rc, sunazimuth, sunelevation); // LOCKED 091105 if (DONTDRAWTHEMAP) { // 100318 UnlockTerrainDataGraphics(); SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } if (!QUICKDRAW) { // shaded terrain unreachable, aka glide amoeba #ifdef GTL2 if (((FinalGlideTerrain == 2) || (FinalGlideTerrain == 4)) && DerivedDrawInfo.TerrainValid) { #else if ((FinalGlideTerrain==2) && DerivedDrawInfo.TerrainValid) { #endif DrawTerrainAbove(hdc, rc); } } UnlockTerrainDataGraphics(); } #if NEWSMARTZOOM } #endif if (QUICKDRAW) { if ( !mode.AnyPan()) DrawLook8000(hdc,rc); SelectObject(hdcDrawWindow, hfOld); return; } if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } if (EnableTopology) { DrawTopology(hdc, rc); // LOCKED 091105 } #if 0 StartupStore(_T("... Experimental1=%.0f\n"),Experimental1); StartupStore(_T("... Experimental2=%.0f\n"),Experimental2); Experimental1=0.0; Experimental2=0.0; #endif // Topology labels are printed first, using OLD wps positions from previous run! // Reset for topology labels decluttering engine occurs also in another place here! nLabelBlocks = 0; #if TOPOFASTLABEL for (short nvi=0; nvi<SCREENVSLOTS; nvi++) nVLabelBlocks[nvi]=0; #endif if (ValidTaskPoint(ActiveWayPoint) && ValidTaskPoint(1)) { // 100503 DrawTaskAAT(hdc, rc); } if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } if (OnAirSpace > 0) // Default is true, always true at startup no regsave { if ( (GetAirSpaceFillType() == asp_fill_ablend_full) || (GetAirSpaceFillType() == asp_fill_ablend_borders) ) DrawTptAirSpace(hdc, rc); else DrawAirSpace(hdc, rc); } if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } if(TrailActive) { // NEED REWRITING LKDrawTrail(hdc, Orig_Aircraft, rc); } if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } DrawThermalEstimate(hdc, rc); if (OvertargetMode==OVT_THER) DrawThermalEstimateMultitarget(hdc, rc); // draw red cross on glide through terrain marker if (FinalGlideTerrain && DerivedDrawInfo.TerrainValid) { DrawGlideThroughTerrain(hdc, rc); } if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } if ((OnAirSpace > 0) && AirspaceWarningMapLabels) { DrawAirspaceLabels(hdc, rc, Orig_Aircraft); if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } } DrawWaypointsNew(hdc,rc); if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } if (ValidTaskPoint(ActiveWayPoint) && ValidTaskPoint(1)) { // 100503 DrawTask(hdc, rc, Orig_Aircraft); } DrawTeammate(hdc, rc); if (extGPSCONNECT) { DrawBestCruiseTrack(hdc, Orig_Aircraft); DrawBearing(hdc, rc); } // draw wind vector at aircraft if (!mode.AnyPan()) { DrawWindAtAircraft2(hdc, Orig_Aircraft, rc); } else if (mode.Is(Mode::MODE_TARGET_PAN)) { DrawWindAtAircraft2(hdc, Orig, rc); } #if NEWSMARTZOOM // Save the current rendered map before painting overlays if ( OFFSMARTZOOM ) { quickdrawscale=zoom.DrawScale(); BitBlt(hdcQuickDrawWindow, 0, 0, MapRect.right-MapRect.left, MapRect.bottom-MapRect.top, hdcDrawWindow, 0, 0, SRCCOPY); } #endif // VisualGlide drawn BEFORE lk8000 overlays if (!mode.AnyPan() && VisualGlide > 0) { DrawGlideCircle(hdc, Orig, rc); } if (DONTDRAWTHEMAP) { // 100319 SelectObject(hdcDrawWindow, hfOld); goto QuickRedraw; } // Draw traffic and other specifix LK gauges LKDrawFLARMTraffic(hdc, rc, Orig_Aircraft); if (!mode.AnyPan()) { // REMINDER TODO let it be configurable for not circling also, as before if ((mode.Is(Mode::MODE_CIRCLING)) ) if (ThermalBar) DrawThermalBand(hdcDrawWindow, rc); // 091122 DrawLook8000(hdc,rc); } if (LKVarioBar && !mode.AnyPan()) // 091214 do not draw Vario when in Pan mode LKDrawVario(hdc,rc); // 091111 // Draw glider or paraglider if (extGPSCONNECT) { DrawAircraft(hdc, Orig_Aircraft); } if (!mode.AnyPan()) { if (TrackBar) DrawHeading(hdc, Orig, rc); } #if USETOPOMARKS // marks on top... DrawMarks(hdc, rc); #endif if (ISGAAIRCRAFT) DrawHSI(hdc,Orig,rc); #ifdef CPUSTATS DrawCpuStats(hdc,rc); #endif #ifdef DRAWDEBUG DrawDebug(hdc,rc); #endif SelectObject(hdcDrawWindow, hfOld); }
void MapWindow::RenderMapWindowBg(HDC hdc, const RECT rc, const POINT &Orig, const POINT &Orig_Aircraft) { // Calculations are taking time and slow down painting of map, beware #define MULTICALC_MINROBIN 5 // minimum split #define MULTICALC_MAXROBIN 20 // max split static short multicalc_slot=0;// -1 (which becomes immediately 0) will force full loading on startup, but this is not good // because currently we are not waiting for ProgramStarted=3 // and the first scan is made while still initializing other things // TODO assign numslots with a function, based also on available CPU time short numslots=1; #if NEWSMARTZOOM static double quickdrawscale=0.0; static double delta_drawscale=1.0; #endif #if 0 extern void TestChangeRect(); TestChangeRect(); #endif if ((MapWindow::AlphaBlendSupported() && BarOpacity<100) || mode.AnyPan()) { MapWindow::ChangeDrawRect(MapRect); } else { RECT newRect={0,0,ScreenSizeX,ScreenSizeY-BottomSize}; MapWindow::ChangeDrawRect(newRect); } if (QUICKDRAW) { goto _skip_calcs; } if (NumberOfWayPoints>200) { numslots=NumberOfWayPoints/400; // keep numslots optimal if (numslots<MULTICALC_MINROBIN) numslots=MULTICALC_MINROBIN; // seconds for full scan, as this is executed at 1Hz if (numslots>MULTICALC_MAXROBIN) numslots=MULTICALC_MAXROBIN; // When waypointnumber has changed, we wont be using an exceeded multicalc_slot, which would crash the sw // In this case, we shall probably continue for the first round to calculate without going from the beginning // but this is not a problem, we are round-robin all the time here. if (++multicalc_slot>numslots) multicalc_slot=1; } else { multicalc_slot=0; // forcing full scan } // Here we calculate arrival altitude, GD etc for map waypoints. Splitting with multicalc will result in delayed // updating of visible landables, for example. The nearest pages do this separately, with their own sorting. // Basically we assume -like for nearest- that values will not change that much in the multicalc split time. // Target and tasks are recalculated in real time in any case. Nearest too. LKCalculateWaypointReachable(multicalc_slot, numslots); _skip_calcs: CalculateScreenPositionsAirspace(rc); CalculateScreenPositionsThermalSources(); // Make the glide amoeba out of the latlon points, converting them to screen // (This function is updated for supporting multimaps ) CalculateScreenPositionsGroundline(); if (PGZoomTrigger) { if(!mode.Is(Mode::MODE_PANORAMA)) { mode.Special(Mode::MODE_SPECIAL_PANORAMA, true); LastZoomTrigger=DrawInfo.Time; Message::Lock(); Message::AddMessage(1000, 3, gettext(TEXT("_@M872_"))); // LANDSCAPE ZOOM FOR 20s Message::Unlock(); #ifndef DISABLEAUDIO if (EnableSoundModes) LKSound(TEXT("LK_TONEUP.WAV")); #endif } else { // previously called, see if time has passed if ( DrawInfo.Time > (LastZoomTrigger + 20.0)) { // time has passed, lets go back LastZoomTrigger=0; // just for safety mode.Special(Mode::MODE_SPECIAL_PANORAMA, false); PGZoomTrigger=false; Message::Lock(); Message::AddMessage(1500, 3, gettext(TEXT("_@M873_"))); // BACK TO NORMAL ZOOM Message::Unlock(); #ifndef DISABLEAUDIO if (EnableSoundModes) LKSound(TEXT("LK_TONEDOWN.WAV")); #endif } } } // // "Checkpoint Charlie" // This is were we process stuff for anything else but main map. // We let the calculations run also for MapSpace modes. // But for multimaps, we can also draw some more stuff.. // We are also sent back here from next code, when we detect that // the MapSpace mode has changed from MAP to something else while we // were rendering. // QuickRedraw: // if (DONTDRAWTHEMAP) { DrawMapSpace(hdc, rc); // Is this a "shared map" environment? if (IsMultiMapShared()) { // Shared map, of course not MSN_MAP, since dontdrawthemap was checked // if (IsMultimapOverlaysText()) { DrawLook8000(hdc,rc); } if (IsMultimapOverlaysGauges()) { if (LKVarioBar) LKDrawVario(hdc,rc); if ((mode.Is(Mode::MODE_CIRCLING)) ) if (ThermalBar) DrawThermalBand(hdcDrawWindow, rc); DrawFinalGlide(hdcDrawWindow,rc); } } else { // Not in map painting environment // ex. nearest pages, but also MAPRADAR.. } // DrawBottomBar(hdc,rc); #ifdef CPUSTATS DrawCpuStats(hdc,rc); #endif #ifdef DRAWDEBUG DrawDebug(hdc,rc); #endif // no need to do SelectObject as at the bottom of function return; } // When no terrain is painted, set a background0 // Remember that in this case we have plenty of cpu time to spend for best result if (!IsMultimapTerrain() || !DerivedDrawInfo.TerrainValid || !RasterTerrain::isTerrainLoaded() ) { // display border and fill background.. SelectObject(hdc, hInvBackgroundBrush[BgMapColor]); SelectObject(hdc, GetStockObject(WHITE_PEN)); Rectangle(hdc,rc.left,rc.top,rc.right,rc.bottom); // We force LK painting black values on screen depending on the background color in use // TODO make it an array once settled // blackscreen would force everything to be painted white, instead LKTextBlack=BgMapColorTextBlack[BgMapColor]; if (BgMapColor>6 ) BlackScreen=true; else BlackScreen=false; } else { LKTextBlack=false; BlackScreen=false; } #if NEWSMARTZOOM // Copy the old background map with no overlays if (ONSMARTZOOM) { if (quickdrawscale>0) { delta_drawscale=zoom.DrawScale() / quickdrawscale; } // StartupStore(_T("... QuickDrawScale=%.2f new zoom=%.2f delta=%.2f\n"),quickdrawscale,zoom.DrawScale(),delta_drawscale); int dx=MapRect.right-MapRect.left; int dy=MapRect.bottom-MapRect.top; // notice: zoom in is always ok.. but zoom out starting from high zoom levels will make the picture // very small and unusable. We can consider to zoom out in fast zoom normally, in such cases? // // Notice 2: the delta is not yet working correctly // if (delta_drawscale>1.0) { // zoom in StretchBlt(hdcDrawWindow, 0,0, dx,dy, hdcQuickDrawWindow, (int)((dx/2) - (dx / delta_drawscale)/2), (int)((dy/2) - (dy / delta_drawscale)/2), (int)(dx / delta_drawscale), (int)(dy / delta_drawscale), SRCCOPY); } else { // zoom out StretchBlt(hdcDrawWindow, (int)((dx/2) - (dx * delta_drawscale)/2), (int)((dy/2) - (dy * delta_drawscale)/2), (int)(dx * delta_drawscale), (int)(dy * delta_drawscale), hdcQuickDrawWindow, 0,0, dx,dy, SRCCOPY); } } #endif // Logic of DONTDRAWTHEMAP is the following: // We are rendering the screen page here. If we are here, we passed Checkpoint Charlie. // So we were, at charlie, in MSM_MAP: preparing the main map stuff. // If we detect that MapSpace has CHANGED while we were doing our job here, // it means that the user has clicked meanwhile. He desires another page, so let's // reset our intentions and go back to beginning, or nearby.. // We have a new job to do, for another MapSpace, no more MAP. if (DONTDRAWTHEMAP) { goto QuickRedraw; } #if NEWSMARTZOOM if ( OFFSMARTZOOM ) { #endif bool terrainpainted=false; if ((IsMultimapTerrain() && (DerivedDrawInfo.TerrainValid) && RasterTerrain::isTerrainLoaded()) ) { // sunelevation is never used, it is still a todo in Terrain double sunelevation = 40.0; double sunazimuth=GetAzimuth(); LockTerrainDataGraphics(); if (DONTDRAWTHEMAP) { // 100318 UnlockTerrainDataGraphics(); goto QuickRedraw; } DrawTerrain(hdc, DrawRect, sunazimuth, sunelevation); terrainpainted=true; if (DONTDRAWTHEMAP) { UnlockTerrainDataGraphics(); goto QuickRedraw; } if (!QUICKDRAW) { // SHADED terrain unreachable, aka glide amoeba. This is not the outlined perimeter! #ifdef GTL2 if (((FinalGlideTerrain == 2) || (FinalGlideTerrain == 4)) && DerivedDrawInfo.TerrainValid) { #else if ((FinalGlideTerrain==2) && DerivedDrawInfo.TerrainValid) { #endif DrawTerrainAbove(hdc, DrawRect); } } UnlockTerrainDataGraphics(); } #if NEWSMARTZOOM } #endif // // REMINDER: WE ARE IN MAIN MAP HERE: MSM_MAP ONLY, OR PANNING MODE! // MAPSPACEMODE CAN STILL CHANGE, DUE TO USER INPUT. BUT WE GOT HERE IN // EITHER PAN OR MSM_MAP. // if (DONTDRAWTHEMAP) { goto QuickRedraw; } if (IsMultimapTopology()) { DrawTopology(hdc, DrawRect); } else { // If no topology wanted, but terrain painted, we paint only water stuff if (terrainpainted) DrawTopology(hdc, DrawRect,true); } #if 0 StartupStore(_T("... Experimental1=%.0f\n"),Experimental1); StartupStore(_T("... Experimental2=%.0f\n"),Experimental2); Experimental1=0.0; Experimental2=0.0; #endif // Topology labels are printed first, using OLD wps positions from previous run! // Reset for topology labels decluttering engine occurs also in another place here! ResetLabelDeclutter(); if (Flags_DrawTask && ValidTaskPoint(ActiveWayPoint) && ValidTaskPoint(1)) { DrawTaskAAT(hdc, DrawRect); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } if (IsMultimapAirspace()) { if ( (GetAirSpaceFillType() == asp_fill_ablend_full) || (GetAirSpaceFillType() == asp_fill_ablend_borders) ) DrawTptAirSpace(hdc, rc); else DrawAirSpace(hdc, rc); // full screen, to hide clipping effect on low border } if (DONTDRAWTHEMAP) { goto QuickRedraw; } // In QUICKDRAW dont draw trail, thermals, glide terrain if (QUICKDRAW) goto _skip_stuff; if(TrailActive) { // NEED REWRITING LKDrawTrail(hdc, Orig_Aircraft, DrawRect); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } DrawThermalEstimate(hdc, DrawRect); if (OvertargetMode==OVT_THER) DrawThermalEstimateMultitarget(hdc, DrawRect); // draw red cross on glide through terrain marker if (FinalGlideTerrain && DerivedDrawInfo.TerrainValid) { DrawGlideThroughTerrain(hdc, DrawRect); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } _skip_stuff: if (IsMultimapAirspace() && AirspaceWarningMapLabels) { DrawAirspaceLabels(hdc, DrawRect, Orig_Aircraft); if (DONTDRAWTHEMAP) { // 100319 goto QuickRedraw; } } if (IsMultimapWaypoints()) { DrawWaypointsNew(hdc,DrawRect); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } if (Flags_DrawTask && ValidTaskPoint(ActiveWayPoint) && ValidTaskPoint(1)) { DrawTask(hdc, DrawRect, Orig_Aircraft); } // FAI optimizer does not depend on tasks, being based on trace if (Flags_DrawFAI) DrawFAIOptimizer(hdc, DrawRect, Orig_Aircraft); // In QUICKDRAW do not paint other useless stuff if (QUICKDRAW) { if (extGPSCONNECT) DrawBearing(hdc, DrawRect); goto _skip_2; } // --------------------------------------------------- DrawTeammate(hdc, rc); if (extGPSCONNECT) { DrawBestCruiseTrack(hdc, Orig_Aircraft); DrawBearing(hdc, DrawRect); } // draw wind vector at aircraft if (NOTANYPAN) { DrawWindAtAircraft2(hdc, Orig_Aircraft, DrawRect); } else if (mode.Is(Mode::MODE_TARGET_PAN)) { DrawWindAtAircraft2(hdc, Orig, rc); } #if NEWSMARTZOOM // Save the current rendered map before painting overlays if ( OFFSMARTZOOM ) { quickdrawscale=zoom.DrawScale(); BitBlt(hdcQuickDrawWindow, 0, 0, MapRect.right-MapRect.left, MapRect.bottom-MapRect.top, hdcDrawWindow, 0, 0, SRCCOPY); } #endif // VisualGlide drawn BEFORE lk8000 overlays if (NOTANYPAN && (VisualGlide > 0)) { DrawGlideCircle(hdc, Orig, rc); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } // Draw traffic and other specifix LK gauges LKDrawFLARMTraffic(hdc, DrawRect, Orig_Aircraft); // --------------------------------------------------- _skip_2: if (NOTANYPAN) { // REMINDER TODO let it be configurable for not circling also, as before if ((mode.Is(Mode::MODE_CIRCLING)) ) if (ThermalBar) DrawThermalBand(hdcDrawWindow, rc); // 091122 if (IsMultimapOverlaysText()) DrawLook8000(hdc,rc); DrawBottomBar(hdc,rc); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } if (IsMultimapOverlaysGauges() && (LKVarioBar && NOTANYPAN)) LKDrawVario(hdc,rc); // Draw glider or paraglider if (extGPSCONNECT) { DrawAircraft(hdc, Orig_Aircraft); } if (NOTANYPAN && !QUICKDRAW) { if (TrackBar) DrawHeading(hdc, Orig, DrawRect); } #if USETOPOMARKS // marks on top... DrawMarks(hdc, rc); #endif if (ISGAAIRCRAFT && IsMultimapOverlaysGauges() && NOTANYPAN) DrawHSI(hdc,Orig,DrawRect); if (!INPAN) { DrawMapScale(hdcDrawWindow,rc, zoom.BigZoom()); // unused BigZoom DrawCompass(hdcDrawWindow, rc, DisplayAngle); } if (IsMultimapOverlaysGauges() && NOTANYPAN) DrawFinalGlide(hdcDrawWindow,rc); #ifdef CPUSTATS DrawCpuStats(hdc,rc); #endif #ifdef DRAWDEBUG DrawDebug(hdc,rc); #endif }
void MapWindow::RenderMapWindowBg(LKSurface& Surface, const RECT& rc) { if ( (LKSurface::AlphaBlendSupported() && BarOpacity < 100) || mode.AnyPan() ) { RECT newRect = {0, 0, ScreenSizeX, ScreenSizeY}; MapWindow::ChangeDrawRect(newRect); } else { RECT newRect = {0, 0, ScreenSizeX, ScreenSizeY - BottomSize - (ScreenSizeY-MapRect.bottom)-1}; MapWindow::ChangeDrawRect(newRect); } if (QUICKDRAW) { goto _skip_calcs; } // Here we calculate arrival altitude, GD etc for map waypoints. Splitting with multicalc will result in delayed // updating of visible landables, for example. The nearest pages do this separately, with their own sorting. // Basically we assume -like for nearest- that values will not change that much in the multicalc split time. // Target and tasks are recalculated in real time in any case. Nearest too. LKCalculateWaypointReachable(false); _skip_calcs: if (PGZoomTrigger) { if (!mode.Is(Mode::MODE_PANORAMA)) { mode.Special(Mode::MODE_SPECIAL_PANORAMA, true); LastZoomTrigger = DrawInfo.Time; Message::AddMessage(1000, 3, gettext(TEXT("_@M872_"))); // LANDSCAPE ZOOM FOR 20s LKSound(TEXT("LK_TONEUP.WAV")); } else { // previously called, see if time has passed if (DrawInfo.Time > (LastZoomTrigger + 20.0)) { // time has passed, lets go back LastZoomTrigger = 0; // just for safety mode.Special(Mode::MODE_SPECIAL_PANORAMA, false); PGZoomTrigger = false; Message::AddMessage(1500, 3, gettext(TEXT("_@M873_"))); // BACK TO NORMAL ZOOM LKSound(TEXT("LK_TONEDOWN.WAV")); } } } // // "Checkpoint Charlie" // This is were we process stuff for anything else but main map. // We let the calculations run also for MapSpace modes. // But for multimaps, we can also draw some more stuff.. // We are also sent back here from next code, when we detect that // the MapSpace mode has changed from MAP to something else while we // were rendering. // QuickRedraw: // if (DONTDRAWTHEMAP) { const bool isMultimap = IsMultiMapShared(); // DrawMapSpace can change "MapSpaceMode", get this before. DrawMapSpace(Surface, rc); // Is this a "shared map" environment? if (isMultimap) { // Shared map, of course not MSN_MAP, since dontdrawthemap was checked // if (IsMultimapOverlaysGauges()) { RenderOverlayGauges(Surface, rc); } if (IsMultimapOverlaysText()) { DrawLook8000(Surface, rc); } } else { // Not in map painting environment // ex. nearest pages, but also MAPRADAR.. } // DrawBottomBar(Surface, rc); #ifdef DRAWDEBUG DrawDebug(hdc, rc); #endif // no need to do SelectObject as at the bottom of function return; } POINT Orig, Orig_Aircraft; CalculateOrigin(rc, &Orig); const ScreenProjection _Proj = CalculateScreenPositions(Orig, rc, &Orig_Aircraft); // When no terrain is painted, set a background0 // Remember that in this case we have plenty of cpu time to spend for best result if (!IsMultimapTerrain() || !DerivedDrawInfo.TerrainValid || !RasterTerrain::isTerrainLoaded()) { // We force LK painting black values on screen depending on the background color in use // TODO make it an array once settled // blackscreen would force everything to be painted white, instead LKTextBlack = BgMapColorTextBlack[BgMapColor]; if (BgMapColor > 6) BlackScreen = true; else BlackScreen = false; } else { LKTextBlack = false; BlackScreen = false; } // Logic of DONTDRAWTHEMAP is the following: // We are rendering the screen page here. If we are here, we passed Checkpoint Charlie. // So we were, at charlie, in MSM_MAP: preparing the main map stuff. // If we detect that MapSpace has CHANGED while we were doing our job here, // it means that the user has clicked meanwhile. He desires another page, so let's // reset our intentions and go back to beginning, or nearby.. // We have a new job to do, for another MapSpace, no more MAP. if (DONTDRAWTHEMAP) { goto QuickRedraw; } bool terrainpainted = false; if ((IsMultimapTerrain() && (DerivedDrawInfo.TerrainValid) && RasterTerrain::isTerrainLoaded()) ) { // sunelevation is never used, it is still a todo in Terrain double sunelevation = 40.0; double sunazimuth = GetAzimuth(); LockTerrainDataGraphics(); if (DONTDRAWTHEMAP) { // 100318 UnlockTerrainDataGraphics(); goto QuickRedraw; } if(DrawTerrain(Surface, DrawRect, _Proj, sunazimuth, sunelevation)) { terrainpainted = true; } if (DONTDRAWTHEMAP) { UnlockTerrainDataGraphics(); goto QuickRedraw; } if (!QUICKDRAW) { // SHADED terrain unreachable, aka glide amoeba. This is not the outlined perimeter! #ifdef GTL2 if (((FinalGlideTerrain == 2) || (FinalGlideTerrain == 4)) && DerivedDrawInfo.TerrainValid) { #else if ((FinalGlideTerrain == 2) && DerivedDrawInfo.TerrainValid) { #endif DrawTerrainAbove(Surface, DrawRect); } } UnlockTerrainDataGraphics(); } // // REMINDER: WE ARE IN MAIN MAP HERE: MSM_MAP ONLY, OR PANNING MODE! // MAPSPACEMODE CAN STILL CHANGE, DUE TO USER INPUT. BUT WE GOT HERE IN // EITHER PAN OR MSM_MAP. // if (DONTDRAWTHEMAP) { goto QuickRedraw; } if(!terrainpainted) { // fill background.. Surface.FillRect(&rc, hInvBackgroundBrush[BgMapColor]); } if (IsMultimapTopology()) { DrawTopology(Surface, DrawRect, _Proj); } else { // If no topology wanted, but terrain painted, we paint only water stuff if (terrainpainted) DrawTopology(Surface, DrawRect, _Proj, true); } #if 0 StartupStore(_T("... Experimental1=%.0f\n"), Experimental1); StartupStore(_T("... Experimental2=%.0f\n"), Experimental2); Experimental1 = 0.0; Experimental2 = 0.0; #endif // Topology labels are printed first, using OLD wps positions from previous run! // Reset for topology labels decluttering engine occurs also in another place here! ResetLabelDeclutter(); if ((Flags_DrawTask || TargetDialogOpen) && ValidTaskPoint(ActiveTaskPoint) && ValidTaskPoint(1)) { DrawTaskAAT(Surface, DrawRect); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } if (IsMultimapAirspace()) { DrawAirSpace(Surface, rc, _Proj); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } // In QUICKDRAW dont draw trail, thermals, glide terrain if (QUICKDRAW) { goto _skip_stuff; } DrawThermalEstimate(Surface, DrawRect, _Proj); if (OvertargetMode == OVT_THER) DrawThermalEstimateMultitarget(Surface, DrawRect, _Proj); // draw red cross on glide through terrain marker if (FinalGlideTerrain && DerivedDrawInfo.TerrainValid) { DrawGlideThroughTerrain(Surface, DrawRect, _Proj); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } _skip_stuff: if (IsMultimapAirspace() && AirspaceWarningMapLabels) { DrawAirspaceLabels(Surface, DrawRect, _Proj, Orig_Aircraft); if (DONTDRAWTHEMAP) { // 100319 goto QuickRedraw; } } if (IsMultimapWaypoints()) { DrawWaypointsNew(Surface, DrawRect); } if (TrailActive) { LKDrawLongTrail(Surface, Orig_Aircraft, DrawRect); // NEED REWRITING LKDrawTrail(Surface, DrawRect, _Proj); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } if ((Flags_DrawTask || TargetDialogOpen) && ValidTaskPoint(ActiveTaskPoint) && ValidTaskPoint(1)) { DrawTask(Surface, DrawRect, _Proj, Orig_Aircraft); } if (Flags_DrawFAI) { if (MapWindow::DerivedDrawInfo.Flying) { // FAI optimizer does not depend on tasks, being based on trace DrawFAIOptimizer(Surface, DrawRect, _Proj, Orig_Aircraft); } else { // not flying => show FAI sectors for the task if (ValidTaskPoint(ActiveTaskPoint) && ValidTaskPoint(1)) { DrawTaskSectors(Surface, DrawRect, _Proj); } } } // In QUICKDRAW do not paint other useless stuff if (QUICKDRAW) { if (extGPSCONNECT) DrawBearing(Surface, DrawRect, _Proj); goto _skip_2; } // --------------------------------------------------- DrawTeammate(Surface, rc, _Proj); if (extGPSCONNECT) { DrawBestCruiseTrack(Surface, Orig_Aircraft); DrawBearing(Surface, DrawRect, _Proj); } // draw wind vector at aircraft if (NOTANYPAN) { DrawWindAtAircraft2(Surface, Orig_Aircraft, DrawRect); } else if (mode.Is(Mode::MODE_TARGET_PAN)) { DrawWindAtAircraft2(Surface, Orig, rc); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } // Draw traffic and other specifix LK gauges LKDrawFLARMTraffic(Surface, DrawRect, _Proj, Orig_Aircraft); // --------------------------------------------------- _skip_2: if (NOTANYPAN) { if (IsMultimapOverlaysGauges()) { RenderOverlayGauges(Surface, rc); } if (TrackBar) { DrawHeading(Surface, Orig, DrawRect); if (ISGAAIRCRAFT) { DrawFuturePos(Surface, Orig, DrawRect); } } if (ISGAAIRCRAFT) { DrawHSIarc(Surface, Orig, DrawRect); } if (IsMultimapOverlaysText()) { DrawLook8000(Surface, rc); } DrawBottomBar(Surface, rc); } if (DONTDRAWTHEMAP) { goto QuickRedraw; } // Draw glider or paraglider if (extGPSCONNECT) { DrawAircraft(Surface, Orig_Aircraft); } #if USETOPOMARKS // marks on top... DrawMarks(hdc, rc); #endif if (!INPAN) { DrawMapScale(Surface, rc, zoom.BigZoom()); // unused BigZoom DrawCompass(Surface, rc, DisplayAngle); } #ifdef DRAWDEBUG DrawDebug(hdc, rc); #endif }
void MapWindow::LKDrawMultimap_Test(LKSurface& Surface, const RECT& rc) { if (DoInit[MDI_MAPTEST]) { // init statics here and then clear init to false DoInit[MDI_MAPTEST]=false; } // // X,Y coordinates of last clicked point on screen // These coordinates are related to any point clicked, even for a page flip, for bottom bar etc. // In some cases, you will read old coordinates because for example after clicking in the center of // bottom bar, the page changed out of multimap and entered nearest pages. // int X=startScreen.x; int Y=startScreen.y; // // Duration of key is inside long VKtime, in milliseconds. // // // Draw a boxed terrain/topology example // -------------------------------------- // RECT rct=rc; // desired area is 400x180, topleft is (20,30) rct.top=20; rct.bottom=rct.top+180; rct.left=30; rct.right=rct.left+400; MapWindow::ChangeDrawRect(rct); // set new area for terrain and topology PanLatitude = DrawInfo.Latitude; PanLongitude = DrawInfo.Longitude; // Current position is in center map POINT Orig = { (rct.right-rct.left)/2,(rct.bottom-rct.top)/2}; POINT Orig_Aircraft= {0,0}; //zoom.ModifyMapScale(); //zoom.UpdateMapScale(); const ScreenProjection _Proj = CalculateScreenPositions( Orig, rct, &Orig_Aircraft); CalculateScreenPositionsAirspace(rct, _Proj); double sunelevation = 40.0; double sunazimuth=GetAzimuth(); if (IsMultimapTerrain() && DerivedDrawInfo.TerrainValid) { LockTerrainDataGraphics(); DrawTerrain(Surface, rct, _Proj, sunazimuth, sunelevation); UnlockTerrainDataGraphics(); } ResetLabelDeclutter(); // This is needed to reset at each run the declutter, for topology and waypoints! // SaturateLabelDeclutter(); // Use this to force no labels be printed, from now on. DrawTopology(Surface, rct, _Proj); DrawAirSpace(Surface, rct, _Proj); // ResetLabelDeclutter(); // If you saturated labels for topology, now you can reset the declutter to allow // printing only waypoints, DrawWaypointsNew(Surface,rct); const auto oldpen = Surface.SelectObject(LKPen_White_N1); const auto oldbrush = Surface.SelectObject(LKBrush_LightGrey); LKWriteBoxedText(Surface, rct, _T("MULTIMAP PAGE EXAMPLE"), 1, 1, WTALIGN_LEFT, RGB_BLACK, RGB_WHITE); TCHAR ttext[100]; switch(LKevent) { // // USABLE EVENTS // case LKEVENT_NEWRUN: // CALLED ON ENTRY: when we select this page coming from another mapspace _tcscpy(ttext,_T("Event = NEW RUN")); break; case LKEVENT_UP: // click on upper part of screen, excluding center _tcscpy(ttext,_T("Event = UP")); break; case LKEVENT_DOWN: // click on lower part of screen, excluding center _tcscpy(ttext,_T("Event = DOWN")); break; case LKEVENT_LONGCLICK: _stprintf(ttext,_T("Event = LONG CLICK")); break; case LKEVENT_PAGEUP: _tcscpy(ttext,_T("Event = PAGE UP")); break; case LKEVENT_PAGEDOWN: _tcscpy(ttext,_T("Event = PAGE DOWN")); break; case LKEVENT_TOPLEFT: _tcscpy(ttext,_T("Event = TOP LEFT")); break; case LKEVENT_TOPRIGHT: _tcscpy(ttext,_T("Event = TOP RIGHT")); break; case LKEVENT_SHORTCLICK: _tcscpy(ttext,_T("Event = SHORT CLICK")); break; // // THESE EVENTS ARE NOT AVAILABLE IN MULTIMAPS! // case LKEVENT_ENTER: // click longer on center, like to confirm a selection _tcscpy(ttext,_T("Event = ENTER")); break; case LKEVENT_NEWPAGE: // swipe gesture up/down produces NEW PAGE in this case _tcscpy(ttext,_T("Event = NEW PAGE")); break; case LKEVENT_NONE: // Normally no event. _tcscpy(ttext,_T("Event = NONE")); break; // default: // THIS SHOULD NEVER HAPPEN, but always CHECK FOR IT! _tcscpy(ttext,_T("Event = unknown")); break; } LKWriteBoxedText(Surface, rct, ttext, 1, 50 , WTALIGN_LEFT, RGB_BLACK, RGB_WHITE); // // Be sure to check that an EVENT was generated, otherwise you are checking even bottombar key presses. // if (LKevent!=LKEVENT_NONE) { _stprintf(ttext,_T("Last coords: X=%d Y=%d , duration=%ld ms"),X,Y,VKtime); LKWriteBoxedText(Surface, rct, ttext, 1, 100 , WTALIGN_LEFT, RGB_BLACK, RGB_WHITE); } // After using the event, WE MUST CLEAR IT, otherwise it will survive for next run. // This can be good for something, though, like automatic redo of last action. // You can also clear this event at the end of this function, to know during execution which was // the key pressed, but remember to clear it. LKevent=LKEVENT_NONE; Surface.SelectObject(oldbrush); Surface.SelectObject(oldpen); }