JUCE/extras/Projucer/Source/ComponentEditor/PaintElements/jucer_PaintElementEllipse.h

/*
  ==============================================================================

   This file is part of the JUCE 6 technical preview.
   Copyright (c) 2017 - ROLI Ltd.

   You may use this code under the terms of the GPL v3
   (see www.gnu.org/licenses).

   For this technical preview, this file is not subject to commercial licensing.

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

  ==============================================================================
*/

#pragma once

#include "jucer_ColouredElement.h"

//==============================================================================
class PaintElementEllipse   : public ColouredElement
{
public:
    PaintElementEllipse (PaintRoutine* pr)
        : ColouredElement (pr, "Ellipse", true, false)
    {
    }

    void draw (Graphics& g, const ComponentLayout* layout, const Rectangle<int>& parentArea) override
    {
        fillType.setFillType (g, getDocument(), parentArea);

        Rectangle<int> r (position.getRectangle (parentArea, layout));
        g.fillEllipse ((float) r.getX(), (float) r.getY(), (float) r.getWidth(), (float) r.getHeight());

        if (isStrokePresent)
        {
            strokeType.fill.setFillType (g, getDocument(), parentArea);

            g.drawEllipse ((float) r.getX(), (float) r.getY(), (float) r.getWidth(), (float) r.getHeight(),
                           getStrokeType().stroke.getStrokeThickness());
        }
    }

    void getEditableProperties (Array<PropertyComponent*>& props, bool multipleSelected) override
    {
        ColouredElement::getEditableProperties (props, multipleSelected);
        props.add (new ShapeToPathProperty (this));
    }

    void fillInGeneratedCode (GeneratedCode& code, String& paintMethodCode) override
    {
        if (fillType.isInvisible() && (strokeType.isInvisible() || ! isStrokePresent))
            return;

        String x, y, w, h, s;
        positionToCode (position, code.document->getComponentLayout(), x, y, w, h);

        s << "{\n"
          << "    float x = " << castToFloat (x) << ", y = " << castToFloat (y) << ", "
          <<           "width = " << castToFloat (w) << ", height = " << castToFloat (h) << ";\n";

        if (! fillType.isInvisible())
            s << "    " << fillType.generateVariablesCode ("fill");

        if (isStrokePresent && ! strokeType.isInvisible())
            s << "    " << strokeType.fill.generateVariablesCode ("stroke");

        s << "    //[UserPaintCustomArguments] Customize the painting arguments here..\n"
          << customPaintCode
          << "    //[/UserPaintCustomArguments]\n";

        if (! fillType.isInvisible())
        {
            s << "    ";
            fillType.fillInGeneratedCode ("fill", position, code, s);
            s << "    g.fillEllipse (x, y, width, height);\n";
        }

        if (isStrokePresent && ! strokeType.isInvisible())
        {
            s << "    ";
            strokeType.fill.fillInGeneratedCode ("stroke", position, code, s);
            s << "    g.drawEllipse (x, y, width, height, " << CodeHelpers::floatLiteral (strokeType.stroke.getStrokeThickness(), 3) << ");\n";
        }

        s << "}\n\n";

        paintMethodCode += s;
    }

    void applyCustomPaintSnippets (StringArray& snippets) override
    {
        customPaintCode.clear();

        if (! snippets.isEmpty() && (! fillType.isInvisible() || (isStrokePresent && ! strokeType.isInvisible())))
        {
            customPaintCode = snippets[0];
            snippets.remove (0);
        }
    }

    static const char* getTagName() noexcept        { return "ELLIPSE"; }

    XmlElement* createXml() const override
    {
        XmlElement* e = new XmlElement (getTagName());
        position.applyToXml (*e);
        addColourAttributes (e);

        return e;
    }

    bool loadFromXml (const XmlElement& xml) override
    {
        if (xml.hasTagName (getTagName()))
        {
            position.restoreFromXml (xml, position);
            loadColourAttributes (xml);

            return true;
        }

        jassertfalse;
        return false;
    }

    void convertToPath()
    {
        double x, y, w, h;
        getCurrentAbsoluteBoundsDouble (x, y, w, h);

        Path path;
        path.addEllipse ((float) x, (float) y, (float) w, (float) h);

        convertToNewPathElement (path);
    }

private:
    String customPaintCode;

    //==============================================================================
    struct ShapeToPathProperty  : public ButtonPropertyComponent
    {
        ShapeToPathProperty (PaintElementEllipse* const e)
            : ButtonPropertyComponent ("path", false),
              element (e)
        {
        }

        void buttonClicked()
        {
            element->convertToPath();
        }

        String getButtonText() const
        {
            return "convert to a path";
        }

        PaintElementEllipse* element;
    };
};