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
  25 // INTERNAL INCLUDES
  26 #include <native-image-source.h>
  27
  28 namespace Dali
  29 {
  30
  31 namespace Internal
  32 {
  33
  34 namespace Adaptor
  35 {
  36 class EglImageExtensions;
  37
  38 /**
  39  * Dali internal NativeImageSource.
  40  */
  41 class NativeImageSource: public NativeImageInterface::Extension
  42 {
  43 public:
  44
  45   /**
  46    * Create a new NativeImageSource internally.
  47    * Depending on hardware the width and height may have to be a power of two.
  48    * @param[in] width The width of the image.
  49    * @param[in] height The height of the image.
  50    * @param[in] depth color depth of the image.
  51    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
  52    * @return A smart-pointer to a newly allocated image.
  53    */
  54   static NativeImageSource* New(unsigned int width,
  55                           unsigned int height,
  56                           Dali::NativeImageSource::ColorDepth depth,
  57                           Any nativeImageSource);
  58
  59   /**
  60    * @copydoc Dali::NativeImageSource::GetNativeImageSource()
  61    */
  62   Any GetNativeImageSource() const;
  63
  64   /**
  65    * @copydoc Dali::NativeImageSource::GetPixels()
  66    */
  67   bool GetPixels(std::vector<unsigned char> &pixbuf, unsigned int &width, unsigned int &height, Pixel::Format& pixelFormat ) const;
  68
  69   /**
  70    * @copydoc Dali::NativeImageSource::EncodeToFile(const std::string& )
  71    */
  72   bool EncodeToFile(const std::string& filename) const;
  73
  74   /**
  75    * @copydoc Dali::NativeImageSource::SetSource( Any source )
  76    */
  77   void SetSource( Any source );
  78
  79   /**
  80    * @copydoc Dali::NativeImageSource::IsColorDepthSupported( ColorDepth colorDepth )
  81    */
  82   bool IsColorDepthSupported( Dali::NativeImageSource::ColorDepth colorDepth );
  83
  84   /**
  85    * destructor
  86    */
  87   ~NativeImageSource();
  88
  89   /**
  90    * @copydoc Dali::NativeImageSource::GlExtensionCreate()
  91    */
  92   bool GlExtensionCreate();
  93
  94   /**
  95    * @copydoc Dali::NativeImageSource::GlExtensionDestroy()
  96    */
  97   void GlExtensionDestroy();
  98
  99   /**
 100    * @copydoc Dali::NativeImageSource::TargetTexture()
 101    */
 102   unsigned int TargetTexture();
 103
 104   /**
 105    * @copydoc Dali::NativeImageSource::GetWidth()
 106    */
 107   unsigned int GetWidth() const
 108   {
 109     return mWidth;
 110   }
 111
 112   /**
 113    * @copydoc Dali::NativeImageSource::GetHeight()
 114    */
 115   unsigned int GetHeight() const
 116   {
 117     return mHeight;
 118   }
 119
 120   /**
 121    * @copydoc Dali::NativeImageSource::RequiresBlending()
 122    */
 123   bool RequiresBlending() const
 124   {
 125     return mBlendingRequired;
 126   }
 127
 128   /**
 129    * @copydoc Dali::NativeImageInterface::GetExtension()
 130    */
 131   NativeImageInterface::Extension* GetNativeImageInterfaceExtension()
 132   {
 133     return this;
 134   }
 135
 136   /**
 137    * @copydoc Dali::NativeImageInterface::Extension::GetCustomFragmentPreFix()
 138    */
 139   const char* GetCustomFragmentPreFix();
 140
 141   /**
 142    * @copydoc Dali::NativeImageInterface::Extension::GetCustomSamplerTypename()
 143    */
 144   const char* GetCustomSamplerTypename();
 145
 146 private:
 147
 148   /**
 149    * Private constructor; @see NativeImageSource::New()
 150    * @param[in] width The width of the image.
 151    * @param[in] height The height of the image.
 152    * @param[in] colour depth of the image.
 153    * @param[in] nativeImageSource contains either: pixmap of type X11 Pixmap , a Ecore_X_Pixmap or is empty
 154    */
 155   NativeImageSource(unsigned int width,
 156               unsigned  int height,
 157               Dali::NativeImageSource::ColorDepth depth,
 158               Any nativeImageSource);
 159
 160   void Initialize();
 161
 162   int GetPixelDepth(Dali::NativeImageSource::ColorDepth depth) const;
 163
 164   tbm_surface_h GetSurfaceFromAny( Any source ) const;
 165
 166 private:
 167
 168   unsigned int mWidth;                        ///< image width
 169   unsigned int mHeight;                       ///< image heights
 170   bool mOwnTbmsurface;                            ///< Whether we created pixmap or not
 171   tbm_surface_h mTbmsurface;
 172   bool mBlendingRequired;                      ///< Whether blending is required
 173   Dali::NativeImageSource::ColorDepth mColorDepth;  ///< color depth of image
 174   void* mEglImageKHR;                         ///< From EGL extension
 175   EglImageExtensions* mEglImageExtensions;    ///< The EGL Image Extensions
 176 };
 177
 178 } // namespace Adaptor
 179
 180 } // namespace Internal
 181
 182 } // namespace Dali
 183
 184 #endif // __DALI_INTERNAL_NATIVE_IMAGE_SOURCE_H__