Show the broken image in case of invalid svg files

[platform/core/uifw/dali-toolkit.git] / dali-toolkit / internal / visuals / svg / svg-rasterize-thread.h

diff --git a/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.h b/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.h
index 5c8b323..86e233f 100644 (file)
--- a/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.h
+++ b/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.h
@@ -27,15 +27,13 @@
 #include <dali/public-api/common/vector-wrapper.h>
 #include <dali/public-api/object/ref-object.h>
 #include <dali/public-api/rendering/texture-set.h>
-#include <dali-toolkit/internal/visuals/visual-url.h>
-
-#ifdef NO_THORVG
-struct NSVGimage;
-struct NSVGrasterizer;
-#else /* NO_THORVG */
-#include <string.h>
 #include <dali/devel-api/adaptor-framework/vector-image-renderer.h>
-#endif /* NO_THORVG */
+#include <dali/integration-api/adaptor-framework/log-factory-interface.h>
+#include <dali/integration-api/processor-interface.h>
+#include <memory>
+
+// INTERNAL INCLUDES
+#include <dali-toolkit/internal/visuals/visual-url.h>
 
 namespace Dali
 {
@@ -63,30 +61,14 @@ typedef IntrusivePtr< RasterizingTask > RasterizingTaskPtr;
 class RasterizingTask : public RefObject
 {
 public:
-#ifdef NO_THORVG
   /**
    * Constructor
-   *
    * @param[in] svgRenderer The renderer which the rasterized image to be applied.
-   * @param[in] parsedSvg The parsed svg for rasterizing.
-   *            Note, after the task is added to the worker thread, the worker thread takes over the ownership.
-   *            When the image is to be deleted, delete it in the worker thread by calling SvgRasterizeThread::DeleteImage( parsedSvg ).
    * @param[in] url The URL to svg resource to use.
    * @param[in] width The rasterization width.
    * @param[in] height The rasterization height.
    */
-  RasterizingTask( SvgVisual* svgRenderer, NSVGimage* parsedSvg, const VisualUrl& url, float dpi, unsigned int width, unsigned int height );
-#else /* NO_THORVG */
-  /**
-   * Constructor
-   * @param[in] svgRenderer The renderer which the rasterized image to be applied.
-   * @param[in] url The URL to svg resource to use.
-   * @param[in] width The rasterization width.
-   * @param[in] height The rasterization height.
-   * @param[in] loaded The svg resource is loaded or not.
-   */
-  RasterizingTask( SvgVisual* svgRenderer, VectorImageRenderer vectorRenderer, const VisualUrl& url, float dpi, unsigned int width, unsigned int height, bool loaded );
-#endif /* NO_THORVG */
+  RasterizingTask(SvgVisual* svgRenderer, VectorImageRenderer vectorRenderer, const VisualUrl& url, float dpi, unsigned int width, unsigned int height);
 
   /**
    * Destructor.
@@ -96,7 +78,7 @@ public:
   /**
    * Do the rasterization with the mRasterizer.
    */
-  void Rasterize( );
+  void Rasterize();
 
   /**
    * Get the svg visual
@@ -109,20 +91,6 @@ public:
    */
   PixelData GetPixelData() const;
 
-#ifdef NO_THORVG
-  /**
-   * Get the parsed data.
-   * @return parsed image data.
-   */
-  NSVGimage* GetParsedImage() const;
-  /**
-   * Get default size of svg
-   *
-   * @param[out] width The default width of svg
-   * @param[out] height The default height of svg
-   */
-  void GetDefaultSize( uint32_t& width, uint32_t& height ) const;
-#else /* NO_THORVG */
   /**
    * Get the VectorRenderer.
    * @return VectorRenderer.
@@ -133,7 +101,6 @@ public:
    * @return True if the resource is loaded.
    */
   bool IsLoaded() const;
-#endif /* NO_THORVG */
 
   /**
    * Load svg file
@@ -149,27 +116,19 @@ private:
 
 private:
   SvgVisualPtr    mSvgVisual;
-#ifdef NO_THORVG
-  NSVGimage*      mParsedSvg;
-#else /* NO_THORVG */
   VectorImageRenderer mVectorRenderer;
-#endif /* NO_THORVG */
   VisualUrl       mUrl;
   PixelData       mPixelData;
   float           mDpi;
   unsigned int    mWidth;
   unsigned int    mHeight;
-#ifdef NO_THORVG
-  NSVGrasterizer* mRasterizer;
-#else /* NO_THORVG */
-  bool            mLoaded;
-#endif /* NO_THORVG */
+  bool            mLoadSuccess;
 };
 
 /**
  * The worker thread for SVG rasterization.
  */
-class SvgRasterizeThread : public Thread
+class SvgRasterizeThread : public Thread, Integration::Processor
 {
 public:
 
@@ -178,7 +137,7 @@ public:
    *
    * @param[in] trigger The trigger to wake up the main thread.
    */
-  SvgRasterizeThread( EventThreadCallback* trigger );
+  SvgRasterizeThread();
 
   /**
    * Terminate the svg rasterize thread, join and delete.
@@ -208,16 +167,6 @@ public:
    */
   void RemoveTask( SvgVisual* visual );
 
-#ifdef NO_THORVG
-  /**
-   * Delete the parsed SVG image, called by main thread.
-   *
-   * The parsed svg should be deleted in worker thread, as the main thread does not know whether a rasterization of this svg is ongoing.
-   *
-   * @param[in] parsedImage The image to be deleted
-   */
-  void DeleteImage( NSVGimage* parsedSvg );
-#else /* NO_THORVG */
   /**
    * Delete the parsed SVG image, called by main thread.
    *
@@ -226,7 +175,11 @@ public:
    * @param[in] VectorImage The image to be deleted
    */
   void DeleteImage( VectorImageRenderer vectorImage );
-#endif /* NO_THORVG */
+
+    /**
+   * @copydoc Dali::Integration::Processor::Process()
+   */
+  void Process() override;
 
 private:
 
@@ -244,6 +197,17 @@ private:
    */
   void AddCompletedTask( RasterizingTaskPtr task );
 
+  /**
+   * Applies the rasterized image to material
+   */
+  void ApplyRasterizedSVGToSampler();
+
+  /**
+   * @brief Unregister a previously registered processor
+   *
+   */
+  void UnregisterProcessor();
+
 protected:
 
   /**
@@ -270,17 +234,14 @@ private:
 
   std::vector<RasterizingTaskPtr>  mRasterizeTasks;     //The queue of the tasks waiting to rasterize the SVG image
   std::vector <RasterizingTaskPtr> mCompletedTasks;     //The queue of the tasks with the SVG rasterization completed
-#ifdef NO_THORVG
-  Vector<NSVGimage*>               mDeleteSvg;          //The images that the event thread requested to delete
-#else /* NO_THORVG */
-  Vector <VectorImageRenderer*>      mDeleteSvg;          //The images that the event thread requested to delete
-#endif /* NO_THORVG */
+  Vector <VectorImageRenderer*>    mDeleteSvg;          //The images that the event thread requested to delete
 
   ConditionalWait            mConditionalWait;
   Dali::Mutex                mMutex;
-  EventThreadCallback*       mTrigger;
-
+  std::unique_ptr< EventThreadCallback > mTrigger;
+  const Dali::LogFactoryInterface&       mLogFactory;
   bool                       mIsThreadWaiting;
+  bool                       mProcessorRegistered;
 };
 
 } // namespace Internal