GUIGraph.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef GUIGRAPH_H
#define GUIGRAPH_H
 
#include "GUIObject.h"
#include "GUIColorPropertyObserver.h"
#include "GUIFontResource.h"
 
#include "GUICommonEnums.h"
 
#include "eC_TArray.h"
 
class CGUIGraphFunction
{
public:
    virtual eC_Float Calculate(const eC_Float& fInput) = 0;
};
 
class CGUIGraph : public CGUIObject, public CGUIColorPropertyObserver
{
public:
    CGUIGraph(
        CGUICompositeObject* const pkParent,
        const eC_Value& vX, const eC_Value& vY,
        const eC_Value& vWidth, const eC_Value& vHeight,
        const ObjectHandle_t &eID = NO_HANDLE);
 
    CGUIGraph();
 
    CGUIGraph(const CGUIGraph& kToBeCopied);
 
    CGUIGraph& operator=(const CGUIGraph& kSource);
 
    virtual ~CGUIGraph();
 
    void SetAxisStyle(
        const CGUICommonEnums::AxisStyle_t& eAxisStyleX,
        const CGUICommonEnums::AxisStyle_t& eAxisStyleY);
 
    void GetAxisStyle(
        CGUICommonEnums::AxisStyle_t& eAxisStyleX,
        CGUICommonEnums::AxisStyle_t& eAxisStyleY) const;
 
    void SetScaling(const eC_Value& vScalingX, const eC_Value& vScalingY);
 
    void GetScaling(eC_Value& vScalingX, eC_Value& vScalingY) const;
 
    void SetLabelSpacing(const eC_UInt& uiLabelSpacingX, const eC_UInt& uiLabelSpacingY);
 
    void GetLabelSpacing(eC_UInt& uiLabelSpacingX, eC_UInt& uiLabelSpacingY) const;
 
    void SetValueSpacing(const eC_UInt& uiValueSpacing);
 
    eC_UInt GetValueSpacing() const;
 
    void SetLogBase(const eC_UInt& uiLogBaseX, const eC_UInt& uiLogBaseY);
 
    void GetLogBase(eC_UInt& uiLogBaseX, eC_UInt& uiLogBaseY);
 
    void SetOffset(const eC_Value& vOffsetX, const eC_Value& vOffsetY);
 
    void GetOffset(eC_Value& vOffsetX, eC_Value& vOffsetY) const;
 
    void SetFontID(const FontResource_t& eFontID);
 
    FontResource_t GetFontID() const;
 
    void SetAxisColor(const eC_UInt& uiAxisColor);
 
    void SetAxisColor(const GlobalProperty_t& eAxisColor);
 
    eC_UInt GetAxisColor() const;
 
    void SetAxisLineWidth(const eC_Value& vAxisLineWidth);
 
    eC_Value GetAxisLineWidth() const;
 
    void SetLineColor(const eC_UInt& uiIndex, const eC_UInt& uiLineColor);
 
    void SetLineColor(const eC_UInt& uiIndex, const GlobalProperty_t& eLineColor);
 
    eC_UInt GetLineColor(const eC_UInt& uiIndex) const;
 
    void SetLineWidth(const eC_Value& vLineWidth);
 
    eC_Value GetLineWidth() const;
 
    void SetHelperLines(const CGUICommonEnums::AxisAlignment_t& eHelperLines);
 
    CGUICommonEnums::AxisAlignment_t GetHelperLines() const;
 
    void SetHelperLinesColor(const eC_UInt& uiHelperLinesColor);
 
    void SetHelperLinesColor(const GlobalProperty_t& eHelperLinesColor);
 
    eC_UInt GetHelperLinesColor() const;
 
    void SetHelperLineWidth(const eC_Value& vHelperLineWidth);
 
    eC_Value GetHelperLineWidth() const;
 
    void SetFunction(const eC_UInt& uiIndex, CGUIGraphFunction* pkFunction);
 
    void SetInteractive(const eC_Bool& bInteractive);
 
    eC_Bool GetInteractive() const;
 
#if defined(GUILIANI_STREAM_GUI)
    virtual void ReadFromStream();
#endif
 
#if defined(GUILIANI_WRITE_GUI)
    virtual void WriteToStream(const eC_Bool bWriteClassID=false);
#endif
 
    virtual eC_Bool DoDraw();
 
    virtual eC_Bool DoDrag(
        const eC_Value& vDeltaX,
        const eC_Value& vDeltaY,
        const eC_Value& vAbsX,
        const eC_Value& vAbsY);
 
    virtual eC_Bool DoDoubleClick(
        const eC_Value& vAbsX,
        const eC_Value& vAbsY);
 
    virtual eC_Bool IsHighlightable() const { return false; }
 
private:
    void Init();
    void DeInit();
 
    void DrawAxis();
    void DrawData(const eC_UInt& uiIndex);
 
    static eC_Float Lin2Log(
        const eC_UInt& uiLogFactor,
        const eC_Value& vValue);
 
    static eC_Float Log2Lin(
        const eC_UInt& uiLogFactor,
        const eC_Value vValue);
 
    void CalcDecimals();
 
private:
    static const eC_UInt INDEX_AXISCOLOR;
    static const eC_UInt INDEX_HELPERCOLOR;
    static const eC_UInt INDEX_LINECOLOR;
    static const eC_UByte MAX_NUMBER_OF_DECIMALS;
 
    CGUICommonEnums::AxisStyle_t m_eAxisStyleX;
    eC_Value m_vScalingX;
    eC_UInt m_uiLabelSpacingX;
    eC_UInt m_uiValueSpacingX;
    eC_UInt m_uiLogBaseX;
    eC_Bool m_bFloatForX;
    eC_UByte m_ubDecimalsX;
 
    CGUICommonEnums::AxisStyle_t m_eAxisStyleY;
    eC_Value m_vScalingY;
    eC_UInt m_uiLabelSpacingY;
    eC_UInt m_uiLogBaseY;
    eC_Bool m_bFloatForY;
    eC_UByte m_ubDecimalsY;
 
    eC_Value m_vOffsetX;
    eC_Value m_vOffsetY;
 
    FontResource_t m_eFontID;
    eC_UInt m_uiAxisColor;
    eC_Value m_vAxisLineWidth;
    eC_UInt m_uiLineColor;
    eC_Value m_vDrawLineWidth;
    CGUICommonEnums::AxisAlignment_t m_eHelpLines;
    eC_UInt m_uiHelpLineColor;
    eC_Value m_vHelpLineWidth;
    eC_TArray<CGUIGraphFunction*> m_pkFunction;
 
    eC_UInt m_uiNumberLineColors;
 
    eC_Bool m_bInteractive;
};
 
#endif