TestSVGControl.h

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/*
 ==============================================================================
 
 This file is part of the iPlug 2 library. Copyright (C) the iPlug 2 developers.
 
 See LICENSE.txt for  more info.
 
 ==============================================================================
*/
 
#pragma once
 
#include "IControl.h"
#include "nanosvg.h"
 
class TestSVGControl : public IControl
{
public:
  TestSVGControl(const IRECT& bounds, const ISVG& svg)
  : IControl(bounds)
  , mSVG(svg)
  {
    SetTooltip("TestSVGControl - Click or Drag 'n drop here to load a new SVG.");
  }
 
  void Draw(IGraphics& g) override
  {
    g.DrawDottedRect(COLOR_BLACK, mRECT);
    g.FillRect(mMouseIsOver ? COLOR_TRANSLUCENT : COLOR_TRANSPARENT, mRECT);
 
#if 1
    if (!g.CheckLayer(mLayer))
    {
      g.StartLayer(this, mRECT);
      g.DrawSVG(mSVG, mRECT);
      mLayer = g.EndLayer();
    }
 
    g.DrawLayer(mLayer);
#else
    g.DrawSVG(mSVG, mRECT);
#endif
  }
 
  void OnMouseDown(float x, float y, const IMouseMod& mod) override
  {
    WDL_String fileName, path;
 
    GetUI()->PromptForFile(fileName, path, EFileAction::Open, "svg", 
    [this](const WDL_String& fileName, const WDL_String& path) {
      if (fileName.GetLength())
        SetSVG(GetUI()->LoadSVG(fileName.Get()));
        SetDirty(false);
    });
  }
 
  void OnDrop(const char* str) override
  {
    SetSVG(GetUI()->LoadSVG(str));
    SetDirty(false);
  }
 
  void SetSVG(const ISVG& svg)
  {
    mSVG = svg;
    mLayer->Invalidate();
  }
 
private:
  ILayerPtr mLayer;
  ISVG mSVG;
};