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