examples/Graphics/Bitmaps/BitmapsGraphicsControl.cpp

00001 /*
00002 Copyright (c) 2000-2010 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
00003 
00004 Redistribution and use in source and binary forms, with or without
00005 modification, are permitted provided that the following conditions are met:
00006 
00007 * Redistributions of source code must retain the above copyright notice, this
00008   list of conditions and the following disclaimer.
00009 * Redistributions in binary form must reproduce the above copyright notice,
00010   this list of conditions and the following disclaimer in the documentation
00011   and/or other materials provided with the distribution.
00012 * Neither the name of Nokia Corporation nor the names of its contributors
00013   may be used to endorse or promote products derived from this software
00014   without specific prior written permission.
00015 
00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00017 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00018 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00020 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00021 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00022 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00023 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00024 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00026 
00027 Description:  
00028 */
00029 
00030 
00031 #include "BitmapsGraphicsControl.h"
00032 
00033 #include <coemain.h>
00034 #include <coeaui.h>
00035 
00036 _LIT(KtxtSwiss,"Swiss");
00037 
00038 void CGraphicExampleControl::ConstructL(const TRect& aRect, MGraphicsExampleObserver* aGraphObserver, const CCoeControl& aParent)
00039         {
00040         // remember the graphics observer
00041         iGraphObserver=aGraphObserver;
00042         // create window
00043         CreateWindowL(&aParent);
00044         // construct font for messages
00045     TFontSpec spec(KtxtSwiss,213);
00046     iMessageFont=iCoeEnv->CreateScreenFontL(spec);
00047         // set rectangle to prescription
00048         SetRect(aRect);
00049         // go for it
00050         ActivateL();
00051         UpdateModelL(); // phase 0
00052         }
00053 
00054 CGraphicExampleControl::~CGraphicExampleControl()
00055         {
00056         iCoeEnv->ReleaseScreenFont(iMessageFont);
00057         }
00058 
00059 void CGraphicExampleControl::Quit()
00060         {
00061         iGraphObserver->NotifyGraphicExampleFinished();
00062         }
00063 
00064 void CGraphicExampleControl::NextPhaseL()
00065         {
00066         if (++iPhase >= iMaxPhases)
00067                 Quit();
00068         else
00069                 {
00070                 UpdateModelL();
00071                 DrawNow();
00072                 }
00073         }
00074 
00075 void CGraphicExampleControl::HandlePointerEventL(const TPointerEvent& aPointerEvent)
00076         {
00077         if (aPointerEvent.iType==TPointerEvent::EButton1Down) NextPhaseL();
00078         }
00079 
00080 TKeyResponse CGraphicExampleControl::OfferKeyEventL(
00081                         const TKeyEvent& aKeyEvent,TEventCode aType
00082                         )
00083         {
00084         if (aType!=EEventKey) return EKeyWasNotConsumed;
00085         TInt code=aKeyEvent.iCode;
00086         switch (code)
00087                 {
00088                 case ' ':
00089                         NextPhaseL();
00090                         break;
00091                 default:
00092                         return EKeyWasNotConsumed;
00093                 }
00094         return EKeyWasConsumed;
00095         }
00096 

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