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::operator=(BaseHandle::NullType* rhs)
  65 {
  66   DALI_ASSERT_ALWAYS( (rhs == NULL) && "Can only assign NULL pointer to handle");
  67   Reset();
  68   return *this;
  69 }
  70
  71 Image Image::New(const std::string& filename)
  72 {
  73   Internal::ImagePtr internal = Internal::Image::New( filename,
  74                                                       Dali::ImageAttributes::DEFAULT_ATTRIBUTES );
  75   return Image(internal.Get());
  76 }
  77
  78 Image Image::New(const std::string& filename, LoadPolicy loadPol, ReleasePolicy releasePol)
  79 {
  80   Internal::ImagePtr internal = Internal::Image::New( filename,
  81                                                       Dali::ImageAttributes::DEFAULT_ATTRIBUTES,
  82                                                       loadPol, releasePol );
  83   return Image(internal.Get());
  84 }
  85
  86 Image Image::New(const std::string& filename, const ImageAttributes& attributes)
  87 {
  88   Internal::ImagePtr internal = Internal::Image::New(filename, attributes);
  89   return Image(internal.Get());
  90 }
  91
  92 Image Image::New(const std::string& filename, const ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol)
  93 {
  94   Internal::ImagePtr internal = Internal::Image::New(filename, attributes, loadPol, releasePol);
  95   return Image(internal.Get());
  96 }
  97
  98 Image Image::NewDistanceField(const std::string& filename)
  99 {
 100   ImageAttributes attributes = ImageAttributes::NewDistanceField();
 101   Internal::ImagePtr internal = Internal::Image::New(filename, attributes);
 102   return Image(internal.Get());
 103 }
 104
 105 Image Image::NewDistanceField(const std::string& filename, LoadPolicy loadPol, ReleasePolicy releasePol)
 106 {
 107   ImageAttributes attributes = ImageAttributes::NewDistanceField();
 108   Internal::ImagePtr internal = Internal::Image::New(filename, attributes, loadPol, releasePol);
 109   return Image(internal.Get());
 110 }
 111
 112 Image Image::NewDistanceField(const std::string& filename, const ImageAttributes& attributes)
 113 {
 114   DALI_ASSERT_DEBUG(attributes.IsDistanceField());
 115
 116   Internal::ImagePtr internal = Internal::Image::New(filename, attributes);
 117   return Image(internal.Get());
 118 }
 119
 120 Image Image::NewDistanceField(const std::string& filename, const ImageAttributes& attributes, LoadPolicy loadPol, ReleasePolicy releasePol)
 121 {
 122   DALI_ASSERT_DEBUG(attributes.IsDistanceField());
 123
 124   Internal::ImagePtr internal = Internal::Image::New(filename, attributes, loadPol, releasePol);
 125   return Image(internal.Get());
 126 }
 127
 128 Image Image::New(NativeImage& nativeImg)
 129 {
 130   Internal::ImagePtr internal = Internal::Image::New(nativeImg);
 131   return Image(internal.Get());
 132 }
 133
 134 Image Image::New(NativeImage& nativeImg, LoadPolicy loadPol, ReleasePolicy releasePol)
 135 {
 136   Internal::ImagePtr internal = Internal::Image::New(nativeImg, loadPol, releasePol);
 137   return Image(internal.Get());
 138 }
 139
 140 Image Image::DownCast( BaseHandle handle )
 141 {
 142   return Image( dynamic_cast<Dali::Internal::Image*>(handle.GetObjectPtr()) );
 143 }
 144
 145 LoadingState Image::GetLoadingState() const
 146 {
 147   return GetImplementation(*this).GetLoadingState();
 148 }
 149
 150 ImageAttributes Image::GetAttributes() const
 151 {
 152   return GetImplementation(*this).GetAttributes();
 153 }
 154
 155 std::string Image::GetFilename() const
 156 {
 157   return GetImplementation(*this).GetFilename();
 158 }
 159
 160 Image::LoadPolicy Image::GetLoadPolicy() const
 161 {
 162   return GetImplementation(*this).GetLoadPolicy();
 163 }
 164
 165 Image::ReleasePolicy Image::GetReleasePolicy() const
 166 {
 167   return GetImplementation(*this).GetReleasePolicy();
 168 }
 169
 170 unsigned int Image::GetWidth() const
 171 {
 172   return GetImplementation(*this).GetWidth();
 173 }
 174
 175 unsigned int Image::GetHeight() const
 176 {
 177   return GetImplementation(*this).GetHeight();
 178 }
 179
 180 void Image::Reload()
 181 {
 182   GetImplementation(*this).Reload();
 183 }
 184
 185 Image::ImageSignalV2& Image::LoadingFinishedSignal()
 186 {
 187   return GetImplementation(*this).LoadingFinishedSignal();
 188 }
 189
 190 Image::ImageSignalV2& Image::UploadedSignal()
 191 {
 192   return GetImplementation(*this).UploadedSignal();
 193 }
 194
 195 } // namespace Dali