nux-1.16.0
AnimatedTextureArea.cpp
00001 /*
00002  * Copyright 2010 Inalogic® Inc.
00003  *
00004  * This program is free software: you can redistribute it and/or modify it
00005  * under the terms of the GNU Lesser General Public License, as
00006  * published by the  Free Software Foundation; either version 2.1 or 3.0
00007  * of the License.
00008  *
00009  * This program is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranties of
00011  * MERCHANTABILITY, SATISFACTORY QUALITY or FITNESS FOR A PARTICULAR
00012  * PURPOSE.  See the applicable version of the GNU Lesser General Public
00013  * License for more details.
00014  *
00015  * You should have received a copy of both the GNU Lesser General Public
00016  * License along with this program. If not, see <http://www.gnu.org/licenses/>
00017  *
00018  * Authored by: Jay Taoko <jaytaoko@inalogic.com>
00019  *
00020  */
00021 
00022 
00023 #include "Nux.h"
00024 #include "NuxImage/ImageSurface.h"
00025 #include "AnimatedTextureArea.h"
00026 
00027 namespace nux
00028 {
00029 
00030   AnimatedTextureArea::AnimatedTextureArea (NUX_FILE_LINE_DECL)
00031     :   View (NUX_FILE_LINE_PARAM)
00032     ,   m_UserTexture (0)
00033   {
00034     SetMinMaxSize (32, 32);
00035 
00036     mouse_down.connect (sigc::mem_fun (this, &AnimatedTextureArea::RecvMouseDown) );
00037     mouse_drag.connect (sigc::mem_fun (this, &AnimatedTextureArea::RecvMouseDrag) );
00038 
00039     m_TimerFunctor = new TimerFunctor();
00040     m_TimerFunctor->OnTimerExpired.connect (sigc::mem_fun (this, &AnimatedTextureArea::TimerNextFrame) );
00041   }
00042 
00043   AnimatedTextureArea::~AnimatedTextureArea()
00044   {
00045     GetTimer().RemoveTimerHandler (m_TimerHandler);
00046     m_TimerHandler = 0;
00047     delete m_TimerFunctor;
00048     m_TimerFunctor = 0;
00049   }
00050 
00051   long AnimatedTextureArea::ProcessEvent (IEvent &ievent, long TraverseInfo, long ProcessEventInfo)
00052   {
00053     return PostProcessEvent2 (ievent, TraverseInfo, ProcessEventInfo);
00054   }
00055 
00056   void AnimatedTextureArea::Draw (GraphicsEngine &GfxContext, bool force_draw)
00057   {
00058     if (m_UserTexture)
00059     {
00060       GetPainter().PaintBackground (GfxContext, GetGeometry() );
00061       GfxContext.GetRenderStates().SetBlend (true, GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
00062       nux::Geometry base = GetGeometry();
00063       nux::TexCoordXForm texxform;
00064       GfxContext.QRP_1Tex (base.x, base.y, base.width, base.height, m_UserTexture->GetDeviceTexture(), texxform, nux::color::White);
00065 
00066       GfxContext.GetRenderStates().SetBlend (false);
00067     }
00068   }
00069   void AnimatedTextureArea::DrawContent (GraphicsEngine &GfxContext, bool force_draw)
00070   {
00071 
00072   }
00073 
00074   void AnimatedTextureArea::PostDraw (GraphicsEngine &GfxContext, bool force_draw)
00075   {
00076 
00077   }
00078 
00079   void AnimatedTextureArea::SetTexture (TextureFrameAnimation *Texture)
00080   {
00081     m_UserTexture = Texture;
00082 
00083     if (m_UserTexture)
00084     {
00085       ObjectPtr< CachedTextureFrameAnimation > Texture = GetGraphicsDisplay()->GetGraphicsEngine()->CacheResource (m_UserTexture);
00086       ObjectPtr<IOpenGLAnimatedTexture> AnimatedTexture = Texture->m_Texture; //Texture->m_Texture.CastRef<IOpenGLAnimatedTexture>();
00087       ObjectPtr<IOpenGLBaseTexture> Texture2D = Texture->m_Texture; //Texture->m_Texture.CastRef<IOpenGLAnimatedTexture>();
00088 
00089       AnimatedTexture->SetFiltering (GL_LINEAR, GL_LINEAR);
00090       AnimatedTexture->SetWrap (GL_CLAMP, GL_CLAMP, GL_CLAMP);
00091     }
00092 
00093     QueueDraw();
00094   }
00095 
00096   void AnimatedTextureArea::RecvMouseDown (int x, int y, long button_flags, long key_flags)
00097   {
00098     sigMouseDown.emit (x, y);
00099   }
00100 
00101   void AnimatedTextureArea::RecvMouseDrag (int x, int y, int dx, int dy, unsigned long button_flags, unsigned long key_flags)
00102   {
00103     sigMouseDrag.emit (x, y);
00104   }
00105 
00106   void AnimatedTextureArea::StartAnimation()
00107   {
00108     if (m_TimerHandler.IsValid() )
00109     {
00110       GetTimer().RemoveTimerHandler (m_TimerHandler);
00111       m_TimerHandler = 0;
00112     }
00113 
00114     m_TimerHandler = GetTimer().AddTimerHandler (41, m_TimerFunctor, 0);
00115     QueueDraw();
00116   }
00117 
00118   void AnimatedTextureArea::StopAnimation()
00119   {
00120     if (m_TimerHandler.IsValid() )
00121     {
00122       GetTimer().RemoveTimerHandler (m_TimerHandler);
00123       m_TimerHandler = 0;
00124     }
00125   }
00126 
00127   void AnimatedTextureArea::TimerNextFrame (void *v)
00128   {
00129     if (m_UserTexture)
00130     {
00131       ObjectPtr< CachedTextureFrameAnimation > Texture = GetGraphicsDisplay()->GetGraphicsEngine()->CacheResource (m_UserTexture);
00132       ObjectPtr<IOpenGLAnimatedTexture> AnimatedTexture = Texture->m_Texture; //Texture->m_Texture.CastRef<IOpenGLAnimatedTexture>();
00133       ObjectPtr<IOpenGLBaseTexture> Texture2D = Texture->m_Texture; //Texture->m_Texture.CastRef<IOpenGLAnimatedTexture>();
00134 
00135       AnimatedTexture->PresentNextFrame();
00136       m_TimerHandler = GetTimer().AddTimerHandler (41, m_TimerFunctor, 0);
00137     }
00138 
00139     QueueDraw();
00140   }
00141 
00142 }
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