dali/internal/canvas-renderer/tizen/canvas-renderer-impl-tizen.h

   1 #ifndef DALI_INTERNAL_TIZEN_CANVAS_RENDERER_IMPL_TIZEN_H
   2 #define DALI_INTERNAL_TIZEN_CANVAS_RENDERER_IMPL_TIZEN_H
   3
   4 /*
   5  * Copyright (c) 2022 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 #ifdef THORVG_SUPPORT
  23 #include <thorvg.h>
  24 #endif
  25 #include <dali/devel-api/threading/mutex.h>
  26 #include <dali/public-api/object/weak-handle.h>
  27 #include <dali/public-api/rendering/texture.h>
  28
  29 // INTERNAL INCLUDES
  30 #include <dali/devel-api/adaptor-framework/canvas-renderer/canvas-renderer-drawable.h>
  31 #include <dali/devel-api/adaptor-framework/canvas-renderer/canvas-renderer.h>
  32 #include <dali/devel-api/adaptor-framework/native-image-source-queue.h>
  33 #include <dali/internal/canvas-renderer/common/canvas-renderer-impl.h>
  34 #include <dali/internal/canvas-renderer/common/drawable-group-impl.h>
  35
  36 namespace Dali
  37 {
  38 namespace Internal
  39 {
  40 namespace Adaptor
  41 {
  42 /**
  43  * Dali internal CanvasRenderer.
  44  */
  45 class CanvasRendererTizen : public Dali::Internal::Adaptor::CanvasRenderer
  46 {
  47 public:
  48   /**
  49    * @brief Creates a CanvasRenderer object.
  50    * @param[in] viewBox The viewBox of canvas.
  51    * @return A pointer to a newly allocated CanvasRenderer
  52    */
  53   static CanvasRendererTizen* New(const Vector2& viewBox);
  54
  55   /**
  56    * @copydoc Dali::CanvasRenderer::Commit()
  57    */
  58   bool Commit() override;
  59
  60   /**
  61    * @copydoc Dali::CanvasRenderer::GetRasterizedTexture()
  62    */
  63   Dali::Texture GetRasterizedTexture() override;
  64
  65   /**
  66    * @copydoc Dali::CanvasRenderer::AddDrawable()
  67    */
  68   bool AddDrawable(Dali::CanvasRenderer::Drawable& drawable) override;
  69
  70   /**
  71    * @copydoc Dali::CanvasRenderer::IsCanvasChanged()
  72    */
  73   bool IsCanvasChanged() const override;
  74
  75   /**
  76    * @copydoc Dali::CanvasRenderer::Rasterize()
  77    */
  78   bool Rasterize() override;
  79
  80   /**
  81    * @copydoc Dali::CanvasRenderer::RemoveDrawable()
  82    */
  83   bool RemoveDrawable(Dali::CanvasRenderer::Drawable& drawable) override;
  84
  85   /**
  86    * @copydoc Dali::CanvasRenderer::RemoveAllDrawables()
  87    */
  88   bool RemoveAllDrawables() override;
  89
  90   /**
  91    * @copydoc Dali::CanvasRenderer::SetSize()
  92    */
  93   bool SetSize(Vector2 size) override;
  94
  95   /**
  96    * @copydoc Dali::CanvasRenderer::GetSize()
  97    */
  98   Vector2 GetSize() const override;
  99
 100   /**
 101    * @copydoc Dali::CanvasRenderer::SetViewBox()
 102    */
 103   bool SetViewBox(const Vector2& viewBox) override;
 104
 105   /**
 106    * @copydoc Dali::CanvasRenderer::GetViewBox()
 107    */
 108   const Vector2& GetViewBox() override;
 109
 110 private:
 111   CanvasRendererTizen()                           = delete;
 112   CanvasRendererTizen(const CanvasRendererTizen&) = delete;
 113   CanvasRendererTizen& operator=(CanvasRendererTizen&) = delete;
 114   CanvasRendererTizen(CanvasRendererTizen&&)           = delete;
 115   CanvasRendererTizen& operator=(CanvasRendererTizen&&) = delete;
 116
 117   /**
 118    * @brief Constructor
 119    */
 120   CanvasRendererTizen(const Vector2& viewBox);
 121
 122   /**
 123    * @brief Destructor.
 124    */
 125   virtual ~CanvasRendererTizen() override;
 126
 127   /**
 128    * @brief Initializes member data.
 129    * @param[in] viewBox The viewBox of canvas.
 130    */
 131   void Initialize(const Vector2& viewBox);
 132
 133   /**
 134    * @brief Create and set target buffer
 135    * @param[in] viewBox The size of buffer.
 136    */
 137   void MakeTargetBuffer(const Vector2& size);
 138
 139 #ifdef THORVG_SUPPORT
 140   /**
 141    * @brief Get drawables changed status.
 142    * If drawable is a type that can have child drawables, it is called recursively.
 143    * @param[in] drawable The drawable object.
 144    * @return Returns whether drawables have changed.
 145    */
 146   bool HaveDrawablesChanged(const Dali::CanvasRenderer::Drawable& drawable) const;
 147
 148   /**
 149    * @brief Update drawables changed status.
 150    * If drawable is a type that can have child drawables, it is called recursively.
 151    * @param[in] drawable The drawable object.
 152    * @param[in] changed The state of changed.
 153    */
 154   void UpdateDrawablesChanged(Dali::CanvasRenderer::Drawable& drawable, bool changed);
 155
 156   /**
 157    * @brief Push drawable object to parent.
 158    * If drawable is a type that can have child drawables, it is called recursively.
 159    * @param[in] drawable The drawable object.
 160    * @param[in] group The scene object of tvg that can be drawable group.
 161    */
 162   void PushDrawableToGroup(Dali::CanvasRenderer::Drawable& drawable, tvg::Scene* group);
 163 #endif
 164
 165 private:
 166 #ifdef THORVG_SUPPORT
 167   Dali::Texture                   mRasterizedTexture;
 168   Dali::Mutex                     mMutex;
 169   std::unique_ptr<tvg::SwCanvas>  mTvgCanvas;
 170   tvg::Scene*                     mTvgRoot;
 171   Dali::NativeImageSourceQueuePtr mNativeImageQueue;
 172 #endif
 173   DrawableGroup::DrawableVector mDrawables;
 174
 175   Vector2 mSize;
 176   Vector2 mViewBox;
 177   bool    mChanged;
 178 };
 179
 180 } // namespace Adaptor
 181
 182 } // namespace Internal
 183
 184 } // namespace Dali
 185
 186 #endif // DALI_INTERNAL_TIZEN_CANVAS_RENDERER_IMPL_TIZEN_H