Download remote svg file

[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 1f426cb..1c94ca9 100644 (file)
--- a/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.h
+++ b/dali-toolkit/internal/visuals/svg/svg-rasterize-thread.h
@@ -2,7 +2,7 @@
 #define DALI_TOOLKIT_SVG_RASTERIZE_THREAD_H
 
 /*
- * Copyright (c) 2016 Samsung Electronics Co., Ltd.
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -28,6 +28,7 @@
 #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>
 
 struct NSVGimage;
 struct NSVGrasterizer;
@@ -53,7 +54,7 @@ typedef IntrusivePtr< RasterizingTask > RasterizingTaskPtr;
  * 1. Created by SvgVisual in the main thread
  * 2. Queued in the worked thread waiting to be processed.
  * 3. If this task gets its turn to do the rasterization, it triggers main thread to apply the rasterized image to material then been deleted in main thread call back
- *    Or if this task is been removed ( new image/size set to the renderer or actor off stage) before its turn to be processed, it then been deleted in the worker thread.
+ *    Or if this task is been removed ( new image/size set to the visual or actor off stage) before its turn to be processed, it then been deleted in the worker thread.
  */
 class RasterizingTask : public RefObject
 {
@@ -65,10 +66,11 @@ public:
    * @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, unsigned int width, unsigned int height );
+  RasterizingTask( SvgVisual* svgRenderer, NSVGimage* parsedSvg, const VisualUrl& url, float dpi, unsigned int width, unsigned int height );
 
   /**
    * Do the rasterization with the given rasterizer.
@@ -77,7 +79,7 @@ public:
   void Rasterize( NSVGrasterizer* rasterizer );
 
   /**
-   * Get the svg renderer
+   * Get the svg visual
    */
   SvgVisual* GetSvgVisual() const;
 
@@ -87,8 +89,18 @@ public:
    */
   PixelData GetPixelData() const;
 
-private:
+  /**
+   * Get the parsed data.
+   * @return parsed image data.
+   */
+  NSVGimage* GetParsedImage() const;
+
+  /**
+   * Load svg file
+   */
+  void Load();
 
+private:
   // Undefined
   RasterizingTask( const RasterizingTask& task );
 
@@ -96,14 +108,15 @@ private:
   RasterizingTask& operator=( const RasterizingTask& task );
 
 private:
-  SvgVisualPtr  mSvgVisual;
-  PixelData       mPixelData;
+  SvgVisualPtr    mSvgVisual;
   NSVGimage*      mParsedSvg;
+  VisualUrl       mUrl;
+  PixelData       mPixelData;
+  float           mDpi;
   unsigned int    mWidth;
   unsigned int    mHeight;
 };
 
-
 /**
  * The worker thread for SVG rasterization.
  */
@@ -138,13 +151,13 @@ public:
   RasterizingTaskPtr NextCompletedTask();
 
   /**
-   * Remove the task with the given renderer from the waiting queue, called by main thread.
+   * Remove the task with the given visual from the waiting queue, called by main thread.
    *
    * Typically called when the actor is put off stage, so the renderer is not needed anymore.
    *
-   * @param[in] renderer The renderer pointer.
+   * @param[in] visual The visual pointer.
    */
-  void RemoveTask( SvgVisual* renderer );
+  void RemoveTask( SvgVisual* visual );
 
   /**
    * Delete the parsed SVG image, called by main thread.
@@ -183,7 +196,7 @@ protected:
    * The entry function of the worker thread.
    * It fetches task from the Queue, rasterizes the image and apply to the renderer.
    */
-  virtual void Run();
+  void Run() override;
 
 private: