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
  38 class EglImageExtensions;
  39
  40 /**
  41  * Dali internal NativeImageSource.
  42  */
  43 class NativeImageSource: public NativeImageInterface::Extension
  44 {
  45 public:
  46
  47   /**
  48    * Create a new NativeImageSource internally.
  49    * Depending on hardware the width and height may have to be a power of two.
  50    * @param[in] width The width of the image.
  51    * @param[in] height The height of the image.
  52    * @param[in] depth color depth of the image.
  53    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
  54    * @return A smart-pointer to a newly allocated image.
  55    */
  56   static NativeImageSource* New(unsigned int width,
  57                           unsigned int height,
  58                           Dali::NativeImageSource::ColorDepth depth,
  59                           Any nativeImageSource);
  60
  61   /**
  62    * @copydoc Dali::NativeImageSource::GetNativeImageSource()
  63    */
  64   Any GetNativeImageSource() const;
  65
  66
  67   /**
  68    * @copydoc Dali::NativeImageSource::GetPixels()
  69    */
  70   bool GetPixels(std::vector<unsigned char> &pixbuf, unsigned int &width, unsigned int &height, Pixel::Format& pixelFormat ) const;
  71
  72   /**
  73    * @copydoc Dali::NativeImageSource::EncodeToFile(const std::string& )
  74    */
  75   bool EncodeToFile(const std::string& filename) const;
  76
  77   /**
  78    * @copydoc Dali::NativeImageSource::SetSource( Any source )
  79    */
  80   void SetSource( Any source );
  81
  82   /**
  83    * @copydoc Dali::NativeImageSource::IsColorDepthSupported( ColorDepth colorDepth )
  84    */
  85   bool IsColorDepthSupported( Dali::NativeImageSource::ColorDepth colorDepth );
  86
  87   /**
  88    * destructor
  89    */
  90   ~NativeImageSource();
  91
  92   /**
  93    * @copydoc Dali::NativeImageSource::GlExtensionCreate()
  94    */
  95   bool GlExtensionCreate();
  96
  97   /**
  98    * @copydoc Dali::NativeImageSource::GlExtensionDestroy()
  99    */
 100   void GlExtensionDestroy();
 101
 102   /**
 103    * @copydoc Dali::NativeImageSource::TargetTexture()
 104    */
 105   unsigned int TargetTexture();
 106
 107   /**
 108    * @copydoc Dali::NativeImageSource::PrepareTexture()
 109    */
 110   void PrepareTexture();
 111
 112   /**
 113    * @copydoc Dali::NativeImageSource::GetWidth()
 114    */
 115   unsigned int GetWidth() const
 116   {
 117     return mWidth;
 118   }
 119
 120   /**
 121    * @copydoc Dali::NativeImageSource::GetHeight()
 122    */
 123   unsigned int GetHeight() const
 124   {
 125     return mHeight;
 126   }
 127
 128   /**
 129    * @copydoc Dali::NativeImageSource::RequiresBlending()
 130    */
 131   bool RequiresBlending() const
 132   {
 133     return mBlendingRequired;
 134   }
 135
 136   /**
 137    * @copydoc Dali::NativeImageInterface::GetExtension()
 138    */
 139   NativeImageInterface::Extension* GetNativeImageInterfaceExtension()
 140   {
 141     return this;
 142   }
 143
 144   /**
 145    * @copydoc Dali::NativeImageInterface::Extension::GetCustomFragmentPreFix()
 146    */
 147   const char* GetCustomFragmentPreFix();
 148
 149   /**
 150    * @copydoc Dali::NativeImageInterface::Extension::GetCustomSamplerTypename()
 151    */
 152   const char* GetCustomSamplerTypename();
 153
 154   /**
 155    * @copydoc Dali::NativeImageInterface::Extension::GetEglImageTextureTarget()
 156    */
 157   int GetEglImageTextureTarget();
 158
 159   /**
 160    * @copydoc Dali::NativeImageInterface::Extension::SetDestructorNotification((void *notification)
 161    */
 162   void SetDestructorNotification(void* notification);
 163
 164 private:
 165
 166   /**
 167    * Private constructor; @see NativeImageSource::New()
 168    * @param[in] width The width of the image.
 169    * @param[in] height The height of the image.
 170    * @param[in] colour depth of the image.
 171    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
 172    */
 173   NativeImageSource(unsigned int width,
 174               unsigned  int height,
 175               Dali::NativeImageSource::ColorDepth depth,
 176               Any nativeImageSource);
 177
 178   void Initialize();
 179
 180   int GetPixelDepth(Dali::NativeImageSource::ColorDepth depth) const;
 181
 182   tbm_surface_h GetSurfaceFromAny( Any source ) const;
 183
 184   bool CheckBlending( tbm_format format );
 185
 186 private:
 187
 188   unsigned int mWidth;                        ///< image width
 189   unsigned int mHeight;                       ///< image heights
 190   bool mOwnTbmSurface;                            ///< Whether we created pixmap or not
 191   tbm_surface_h mTbmSurface;
 192   tbm_format mTbmFormat;
 193   bool mBlendingRequired;                      ///< Whether blending is required
 194   Dali::NativeImageSource::ColorDepth mColorDepth;  ///< color depth of image
 195   void* mEglImageKHR;                         ///< From EGL extension
 196   EglImageExtensions* mEglImageExtensions;    ///< The EGL Image Extensions
 197   bool mSetSource;
 198   void *mNotification;
 199 };
 200
 201 } // namespace Adaptor
 202
 203 } // namespace Internal
 204
 205 } // namespace Dali
 206
 207 #endif // __DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H__