dali/internal/event/images/image-impl.cpp

   1 /*
   2  * Copyright (c) 2018 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17
  18 // CLASS HEADER
  19 #include <dali/internal/event/images/image-impl.h>
  20
  21 // EXTERNAL INCLUDES
  22 #include <cstring> // for strcmp
  23
  24 // INTERNAL INCLUDES
  25 #include <dali/public-api/common/dali-common.h>
  26 #include <dali/public-api/object/type-registry.h>
  27
  28 #include <dali/integration-api/debug.h>
  29 #include <dali/internal/event/common/thread-local-storage.h>
  30 #include <dali/internal/event/common/stage-impl.h>
  31
  32 using namespace Dali::Integration;
  33
  34 namespace Dali
  35 {
  36
  37 namespace Internal
  38 {
  39
  40 namespace
  41 {
  42
  43 // Signals
  44
  45 const char* const SIGNAL_IMAGE_UPLOADED = "uploaded";
  46
  47 TypeRegistration mType( typeid( Dali::Image ), typeid( Dali::BaseHandle ), NULL );
  48
  49 Dali::SignalConnectorType signalConnector1( mType, SIGNAL_IMAGE_UPLOADED, &Image::DoConnectSignal );
  50
  51 }
  52
  53 bool Image::DoConnectSignal( BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor )
  54 {
  55   bool connected( true );
  56   DALI_ASSERT_DEBUG( dynamic_cast<Image*>( object ) && "Failed to downcast from BaseObject to Image.\n" );
  57   Image* image = static_cast<Image*>(object);
  58
  59   if( 0 == strcmp( signalName.c_str(), SIGNAL_IMAGE_UPLOADED ) )
  60   {
  61     image->UploadedSignal().Connect( tracker, functor );
  62   }
  63   else
  64   {
  65     // signalName does not match any signal
  66     connected = false;
  67   }
  68
  69   return connected;
  70 }
  71
  72 unsigned int Image::GetWidth() const
  73 {
  74   return mWidth;
  75 }
  76
  77 unsigned int Image::GetHeight() const
  78 {
  79   return mHeight;
  80 }
  81
  82 Vector2 Image::GetNaturalSize() const
  83 {
  84   return Vector2( static_cast<float>( mWidth ), static_cast<float>( mHeight ) );
  85 }
  86
  87 Image::Image()
  88 : mTexture(),
  89   mWidth( 0 ),
  90   mHeight( 0 ),
  91   mConnectionCount( 0 )
  92 {
  93 }
  94
  95 Image::~Image()
  96 {
  97   if( Stage::IsInstalled() )
  98   {
  99     UnregisterObject();
 100   }
 101 }
 102
 103 void Image::Initialize()
 104 {
 105   RegisterObject();
 106 }
 107
 108 } // namespace Internal
 109
 110 } // namespace Dali