adaptors/tizen/native-image-source-impl.h

   1 #ifndef __DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H__
   2 #define __DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H__
   3
   4 /*
   5  * Copyright (c) 2014 Samsung Electronics Co., Ltd.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  */
  20
  21 // EXTERNAL INCLUDES
  22 #include <tbm_surface.h>
  23 #include <dali/devel-api/images/native-image-interface-extension.h>
  24 #include <dali/public-api/common/dali-vector.h>
  25
  26 // INTERNAL INCLUDES
  27 #include <native-image-source.h>
  28
  29 namespace Dali
  30 {
  31
  32 namespace Internal
  33 {
  34
  35 namespace Adaptor
  36 {
  37 class EglImageExtensions;
  38
  39 namespace
  40 {
  41   typedef Dali::Vector< void* > EglImageContainer;
  42 };
  43
  44 /**
  45  * Dali internal NativeImageSource.
  46  */
  47 class NativeImageSource: public NativeImageInterface::Extension
  48 {
  49 public:
  50
  51   /**
  52    * Create a new NativeImageSource internally.
  53    * Depending on hardware the width and height may have to be a power of two.
  54    * @param[in] width The width of the image.
  55    * @param[in] height The height of the image.
  56    * @param[in] depth color depth of the image.
  57    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
  58    * @return A smart-pointer to a newly allocated image.
  59    */
  60   static NativeImageSource* New(unsigned int width,
  61                           unsigned int height,
  62                           Dali::NativeImageSource::ColorDepth depth,
  63                           Any nativeImageSource);
  64
  65   /**
  66    * @copydoc Dali::NativeImageSource::GetNativeImageSource()
  67    */
  68   Any GetNativeImageSource() const;
  69
  70   /**
  71    * @copydoc Dali::NativeImageSource::GetPixels()
  72    */
  73   bool GetPixels(std::vector<unsigned char> &pixbuf, unsigned int &width, unsigned int &height, Pixel::Format& pixelFormat ) const;
  74
  75   /**
  76    * @copydoc Dali::NativeImageSource::EncodeToFile(const std::string& )
  77    */
  78   bool EncodeToFile(const std::string& filename) const;
  79
  80   /**
  81    * @copydoc Dali::NativeImageSource::SetSource( Any source )
  82    */
  83   void SetSource( Any source );
  84
  85   /**
  86    * @copydoc Dali::NativeImageSource::IsColorDepthSupported( ColorDepth colorDepth )
  87    */
  88   bool IsColorDepthSupported( Dali::NativeImageSource::ColorDepth colorDepth );
  89
  90   /**
  91    * destructor
  92    */
  93   ~NativeImageSource();
  94
  95   /**
  96    * @copydoc Dali::NativeImageSource::GlExtensionCreate()
  97    */
  98   bool GlExtensionCreate();
  99
 100   /**
 101    * @copydoc Dali::NativeImageSource::GlExtensionDestroy()
 102    */
 103   void GlExtensionDestroy();
 104
 105   /**
 106    * @copydoc Dali::NativeImageSource::TargetTexture()
 107    */
 108   unsigned int TargetTexture();
 109
 110   /**
 111    * @copydoc Dali::NativeImageSource::PrepareTexture()
 112    */
 113   void PrepareTexture();
 114
 115   /**
 116    * @copydoc Dali::NativeImageSource::GetWidth()
 117    */
 118   unsigned int GetWidth() const
 119   {
 120     return mWidth;
 121   }
 122
 123   /**
 124    * @copydoc Dali::NativeImageSource::GetHeight()
 125    */
 126   unsigned int GetHeight() const
 127   {
 128     return mHeight;
 129   }
 130
 131   /**
 132    * @copydoc Dali::NativeImageSource::RequiresBlending()
 133    */
 134   bool RequiresBlending() const
 135   {
 136     return mBlendingRequired;
 137   }
 138
 139   /**
 140    * @copydoc Dali::NativeImageInterface::GetExtension()
 141    */
 142   NativeImageInterface::Extension* GetNativeImageInterfaceExtension()
 143   {
 144     return this;
 145   }
 146
 147   /**
 148    * @copydoc Dali::NativeImageInterface::Extension::GetCustomFragmentPreFix()
 149    */
 150   const char* GetCustomFragmentPreFix();
 151
 152   /**
 153    * @copydoc Dali::NativeImageInterface::Extension::GetCustomSamplerTypename()
 154    */
 155   const char* GetCustomSamplerTypename();
 156
 157 private:
 158
 159   /**
 160    * Private constructor; @see NativeImageSource::New()
 161    * @param[in] width The width of the image.
 162    * @param[in] height The height of the image.
 163    * @param[in] colour depth of the image.
 164    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
 165    */
 166   NativeImageSource(unsigned int width,
 167               unsigned  int height,
 168               Dali::NativeImageSource::ColorDepth depth,
 169               Any nativeImageSource);
 170
 171   void Initialize();
 172
 173   int GetPixelDepth(Dali::NativeImageSource::ColorDepth depth) const;
 174
 175   tbm_surface_h GetSurfaceFromAny( Any source ) const;
 176
 177 private:
 178
 179   unsigned int mWidth;                        ///< image width
 180   unsigned int mHeight;                       ///< image heights
 181   bool mOwnTbmsurface;                            ///< Whether we created pixmap or not
 182   tbm_surface_h mTbmsurface;
 183   bool mBlendingRequired;                      ///< Whether blending is required
 184   Dali::NativeImageSource::ColorDepth mColorDepth;  ///< color depth of image
 185   void* mEglImageKHR;                         ///< From EGL extension
 186   EglImageExtensions* mEglImageExtensions;    ///< The EGL Image Extensions
 187   bool mSetSource;
 188   EglImageContainer mEglImageKHRContainer;
 189 };
 190
 191 } // namespace Adaptor
 192
 193 } // namespace Internal
 194
 195 } // namespace Dali
 196
 197 #endif // __DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H__