dali/public-api/images/image.cpp

   1 /*
   2  * Copyright (c) 2014 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/public-api/images/image.h>
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/public-api/images/image-attributes.h>
  23 #include <dali/public-api/math/vector2.h>
  24 #include <dali/internal/event/images/image-impl.h>
  25 #include <dali/internal/event/common/thread-local-storage.h>
  26 #include <dali/integration-api/platform-abstraction.h>
  27
  28 namespace Dali
  29 {
  30
  31 const char* const Image::SIGNAL_IMAGE_LOADING_FINISHED = "image-loading-finished";
  32 const char* const Image::SIGNAL_IMAGE_UPLOADED = "uploaded";
  33
  34 Vector2 Image::GetImageSize(const std::string fileName)
  35 {
  36   Vector2 size;
  37   Internal::ThreadLocalStorage::Get().GetPlatformAbstraction().GetClosestImageSize(fileName, ImageAttributes::DEFAULT_ATTRIBUTES, size);
  38   return size;
  39 }
  40
  41 Image::Image()
  42 {
  43 }
  44
  45 Image::Image(Internal::Image* internal) : BaseHandle(internal)
  46 {
  47 }
  48
  49 Image::~Image()
  50 {
  51 }
  52
  53 Image::Image(const Image& handle)
  54 : BaseHandle(handle)
  55 {
  56 }
  57
  58 Image& Image::operator=(const Image& rhs)
  59 {
  60   BaseHandle::operator=(rhs);
  61   return *this;
  62 }
  63
  64 Image Image::New(const std::string& filename)
  65 {
  66   Internal::ImagePtr internal = Internal::Image::New( filename,
  67                                                       Dali::ImageAttributes::DEFAULT_ATTRIBUTES );
  68   return Image(internal.Get());
  69 }
  70
  71 Image Image::New(const std::string& filename, LoadPolicy loadPol, ReleasePolicy releasePol)
  72 {
  73   Internal::ImagePtr internal = Internal::Image::New( filename,
  74                                                       Dali::ImageAttributes::DEFAULT_ATTRIBUTES,
  75                                                       loadPol, releasePol );
  76   return Image(internal.Get());
  77 }
  78
  79 Image Image::New(const std::string& filename, const ImageAttributes& attributes)
  80 {
  81   Internal::ImagePtr internal = Internal::Image::New(filename, attributes);
  82   return Image(internal.Get());
  83 }
  84
  85 Image Image::New(const std::string& filename, const ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol)
  86 {
  87   Internal::ImagePtr internal = Internal::Image::New(filename, attributes, loadPol, releasePol);
  88   return Image(internal.Get());
  89 }
  90
  91 Image Image::NewDistanceField(const std::string& filename)
  92 {
  93   ImageAttributes attributes = ImageAttributes::NewDistanceField();
  94   Internal::ImagePtr internal = Internal::Image::New(filename, attributes);
  95   return Image(internal.Get());
  96 }
  97
  98 Image Image::NewDistanceField(const std::string& filename, LoadPolicy loadPol, ReleasePolicy releasePol)
  99 {
 100   ImageAttributes attributes = ImageAttributes::NewDistanceField();
 101   Internal::ImagePtr internal = Internal::Image::New(filename, attributes, loadPol, releasePol);
 102   return Image(internal.Get());
 103 }
 104
 105 Image Image::NewDistanceField(const std::string& filename, const ImageAttributes& attributes)
 106 {
 107   DALI_ASSERT_DEBUG(attributes.IsDistanceField());
 108
 109   Internal::ImagePtr internal = Internal::Image::New(filename, attributes);
 110   return Image(internal.Get());
 111 }
 112
 113 Image Image::NewDistanceField(const std::string& filename, const ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol)
 114 {
 115   DALI_ASSERT_DEBUG(attributes.IsDistanceField());
 116
 117   Internal::ImagePtr internal = Internal::Image::New(filename, attributes, loadPol, releasePol);
 118   return Image(internal.Get());
 119 }
 120
 121 Image Image::New(NativeImage& nativeImg)
 122 {
 123   Internal::ImagePtr internal = Internal::Image::New(nativeImg);
 124   return Image(internal.Get());
 125 }
 126
 127 Image Image::DownCast( BaseHandle handle )
 128 {
 129   return Image( dynamic_cast<Dali::Internal::Image*>(handle.GetObjectPtr()) );
 130 }
 131
 132 LoadingState Image::GetLoadingState() const
 133 {
 134   return GetImplementation(*this).GetLoadingState();
 135 }
 136
 137 ImageAttributes Image::GetAttributes() const
 138 {
 139   return GetImplementation(*this).GetAttributes();
 140 }
 141
 142 std::string Image::GetFilename() const
 143 {
 144   return GetImplementation(*this).GetFilename();
 145 }
 146
 147 Image::LoadPolicy Image::GetLoadPolicy() const
 148 {
 149   return GetImplementation(*this).GetLoadPolicy();
 150 }
 151
 152 Image::ReleasePolicy Image::GetReleasePolicy() const
 153 {
 154   return GetImplementation(*this).GetReleasePolicy();
 155 }
 156
 157 unsigned int Image::GetWidth() const
 158 {
 159   return GetImplementation(*this).GetWidth();
 160 }
 161
 162 unsigned int Image::GetHeight() const
 163 {
 164   return GetImplementation(*this).GetHeight();
 165 }
 166
 167 void Image::Reload()
 168 {
 169   GetImplementation(*this).Reload();
 170 }
 171
 172 Image::ImageSignalType& Image::LoadingFinishedSignal()
 173 {
 174   return GetImplementation(*this).LoadingFinishedSignal();
 175 }
 176
 177 Image::ImageSignalType& Image::UploadedSignal()
 178 {
 179   return GetImplementation(*this).UploadedSignal();
 180 }
 181
 182 } // namespace Dali