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<nowiki>
+
<!--
    CGfxWrapeGML* pkWrap = dynamic_cast<CGfxWrapeGML*>(&GETGFX);
 
    if (NULL != pkWrap)
 
    {
 
        eGML_Screen* pkScreen = pkWrap->GetScreen();
 
        unsigned short* memory = (unsigned short*)pkScreen->Lock();
 
  
        eC_UInt uiWidth = pkScreen->GetWidth();
+
https://developers.google.com/speed/webp/docs/riff_container
        eC_UInt uiHeight = pkScreen->GetHeight();
+
https://chromium.googlesource.com/webm/libvpx
  
        memset(memory, 0xf1, uiWidth * uiHeight);
+
vera++ -> checkstlye output -> warnings next generation (input as logfile)
        for (eC_UInt y = 0; y < uiHeight; ++y)
 
        {
 
            for (eC_UInt x = 0; x < uiWidth; ++x)
 
            {
 
                unsigned short val = memory[y * uiWidth + x];
 
                memory[y * uiWidth + x] = (val + (x * y)) & 0xffff;
 
            }
 
        }
 
  
        pkScreen->Unlock();
+
google code stylguide
 +
https://google.github.io/styleguide/cppguide.html
  
//       pkScreen->DrawLine(eGML_Vector2(0, 0), eGML_Vector2(10, 10), 0xff004400, 0, 1, 1);
+
google styleguide cpplint
    }
+
https://github.com/google/styleguide
  
----------------
+
find bugs plugin -> warnings next generation
  
/*
+
tags (e.g. TODO, FIXME, ...) can be found and listed
* 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.
 
*/
 
  
#if !defined(EXAMPLE_CONTROL_H)
+
-->
#define EXAMPLE_CONTROL_H
 
 
 
#include "GUIAbstractBar.h"
 
#include "GUIRange.h"
 
#include "GUINinePatch.h"
 
 
 
#include "GUIImageResource.h"
 
 
 
/** An example CGUIObject implementation that draws a rectangle with
 
    configureable border width and configurable colors.
 
  */
 
class ExampleControl : public CGUIAbstractBar
 
{
 
public:
 
    /** Constructor.
 
        @param pParent Pointer to the designated parent object.
 
        @param vX X-position relative to its parent object, i.e. the x-offset from the left border of the parent object
 
        @param vY Y-position relative to its parent object, i.e. the y-offset from the upper border of the parent object
 
        @param vWidth Width of the object
 
        @param vHeight Height of the object
 
        @param uiInnerColor Color to be used for drawing this control's center
 
              rectangle (everything except the border) in ARGB format.
 
        @param uiBorderColor Color to be used for drawing this control's frame
 
              in ARGB format.
 
        @param vBorderWidth The width of the border in pixels.
 
        @param eID Object identifier of this object (choose NO_HANDLE if none is required).
 
    */
 
    ExampleControl(
 
        CGUICompositeObject *const pParent,
 
        const eC_Value &vX, const eC_Value &vY,
 
        const eC_Value &vWidth, const eC_Value &vHeight,
 
        eC_UInt uiInnerColor, eC_UInt uiBorderColor,
 
        eC_Value vBorderWidth = eC_FromInt(1),
 
        const ObjectHandle_t &eID = NO_HANDLE);
 
 
 
    /// Default constructor to be used by the factory.
 
    ExampleControl();
 
 
 
    void Init();
 
 
 
    virtual void SetWidth(const eC_Value& vX);
 
 
 
    virtual void SetHeight(const eC_Value& vY);
 
 
 
    virtual eC_Bool DoButtonDown(const eC_Value &vAbsX, const eC_Value &vAbsY);
 
 
 
    virtual eC_Bool DoDrag(const eC_Value &vDeltaX, const eC_Value &vDeltaY, const eC_Value &vAbsX, const eC_Value &vAbsY);
 
 
 
    virtual eC_Bool DoDragEnd(const eC_Value &vAbsX, const eC_Value &vAbsY);
 
 
 
    virtual eC_Bool DoClick(const eC_Value &vAbsX, const eC_Value &vAbsY);
 
 
 
#if defined(GUILIANI_STREAM_GUI)
 
    /** Reads all object attributes from streaming file.
 
        This method is called by CGUIFactoryManager after one of the registered
 
        factories has created an instance of this class.
 
    */
 
    virtual void ReadFromStream();
 
#endif
 
 
 
#if defined(GUILIANI_WRITE_GUI)
 
    /** Writes all object attributes to the streaming file. A CGUIStreamWriter
 
        has to be initialized first.
 
        @param bWriteClassID This flag is used to select if writing of ControlID,
 
              leading and trailing tags is performed.
 
    */
 
    virtual void WriteToStream(const eC_Bool bWriteClassID=false);
 
#endif
 
 
 
protected:
 
    /// Called by the Guiliani framework when this control should paint itself.
 
    eC_Bool DoDraw();
 
 
 
private:
 
    void CalculateValues();
 
    void CalculateHandle();
 
 
 
    ImageResource_t m_eBackground;
 
    CGUINinePatch m_kBackground;
 
 
 
    ImageResource_t m_eRange;
 
    CGUINinePatch m_kRange;
 
 
 
    ImageResource_t m_eHandle1;
 
    ImageResource_t m_eHandle2;
 
 
 
    eC_Value m_vMarginX;
 
    eC_Value m_vMarginY;
 
 
 
    eC_UByte m_ubMovingHandle;
 
 
 
    CGUIRect m_kHandle1;
 
    CGUIRect m_kHandle2;
 
 
 
    eC_Value m_vHandleWidth;
 
    eC_Value m_vHandleHeight;
 
 
 
    eC_Value m_vBackgroundWidth;
 
    eC_Value m_vBackgroundHeight;
 
    eC_Value m_vBackgroundPosX;
 
    eC_Value m_vBackgroundPosY;
 
 
 
    CGUIRect m_kRangeRect;
 
    eC_Value m_vRangeHeight;
 
 
 
    eC_Value m_vLowerValue;
 
    eC_Value m_vUpperValue;
 
};
 
 
 
#endif // EXAMPLE_CONTROL_H
 
 
 
-------------------------------
 
 
 
#include "ExampleControl.h"
 
#include "GfxWrap.h"
 
#include "GUIStreamReader.h"
 
#include "GUIStreamWriter.h"
 
#include "GUIStreamingException.h"
 
#include "GUIControlResource.h"
 
 
 
#include "GUIResourceManager.h"
 
 
 
#include "GUIMemLeakWatcher.h" // <-- has to be the last include
 
 
 
#define EXAMPLE_CONTROL_CLASS_VERSION 2
 
// The minimal class version allowed.
 
#define EXAMPLE_CONTROL_CLASS_MIN_VERSION 1
 
 
 
ExampleControl::ExampleControl(
 
    CGUICompositeObject *const pParent,
 
    const eC_Value &vX, const eC_Value &vY,
 
    const eC_Value &vWidth, const eC_Value &vHeight,
 
    eC_UInt uiInnerColor, eC_UInt uiBorderColor,
 
    eC_Value vBorderWidth,
 
    const ObjectHandle_t &eID) :
 
    CGUIAbstractBar(pParent, vX, vY, vWidth, vHeight)
 
{
 
    Init();
 
}
 
 
 
ExampleControl::ExampleControl() :
 
    CGUIAbstractBar()
 
{
 
    Init();
 
}
 
 
 
void ExampleControl::Init()
 
{
 
    m_eBackground = IMG_STDCTRL_SLD_BG;
 
    GETRESMANAGER.RequestImageResource(m_eBackground);
 
    m_kBackground.Assign(0, 0, 0, 0);
 
 
 
    m_eHandle1 = IMG_STDCTRL_SLD_KNOB_NORMAL;
 
    GETRESMANAGER.RequestImageResource(m_eHandle1);
 
 
 
    m_eHandle2 = IMG_STDCTRL_SLD_KNOB_HIGHLIGHTED;
 
    GETRESMANAGER.RequestImageResource(m_eHandle2);
 
 
 
    m_eRange = IMG_STDCTRL_IMGBTN_FOCUSED ;
 
    GETRESMANAGER.RequestImageResource(m_eRange);
 
    m_kRange.Assign(0, 0, 0, 0);
 
 
 
    m_vMarginX = eC_FromInt(0);
 
    m_vMarginY = eC_FromInt(0);
 
 
 
    SetLevel(0);
 
    SetMinValue(0);
 
    SetMaxValue(100);
 
    SetStepSize(1);
 
 
 
    SetXMLTag("ExampleControl");
 
 
 
    m_vHandleWidth = GETGFX.GetImgWidth(m_eHandle1);
 
    m_vHandleHeight = GETGFX.GetImgHeight(m_eHandle1);
 
    m_vRangeHeight = GETGFX.GetImgHeight(m_eRange);
 
 
 
    CalculateValues();
 
}
 
 
 
void ExampleControl::CalculateValues()
 
{
 
    m_vBackgroundWidth = GetWidth();
 
    m_vBackgroundHeight = GETGFX.GetImgHeight(m_eBackground);
 
 
 
    m_vBackgroundPosX = eC_FromInt(0);
 
    m_vBackgroundPosY = eC_Div(GetHeight() - m_vBackgroundHeight, 2);
 
 
 
    eC_Value vValue1 = GetRange().GetMinValue() + eC_Mul(eC_Div(GetRange().GetMaxValue(), GetWidth() - m_vHandleWidth), m_kHandle1.GetX1() - GetAbsXPos());
 
    eC_Value vValue2 = GetRange().GetMinValue() + eC_Mul(eC_Div(GetRange().GetMaxValue(), GetWidth() - m_vHandleWidth), m_kHandle2.GetX1() - GetAbsXPos());
 
 
 
    if (vValue1 < vValue2)
 
    {
 
        m_vLowerValue = vValue1;
 
        m_vUpperValue = vValue2;
 
    }
 
    else
 
    {
 
        m_vLowerValue = vValue2;
 
        m_vUpperValue = vValue1;
 
    }
 
}
 
 
 
void ExampleControl::CalculateHandle()
 
{
 
    m_kHandle1.Assign(
 
        eC_FromInt(0), eC_Div(GetHeight() - m_vHandleHeight, 2),
 
        m_vHandleWidth, eC_Div(GetHeight() - m_vHandleHeight, 2) + m_vHandleHeight);
 
    m_kHandle1.Move(GetAbsXPos(), GetAbsYPos());
 
    m_kHandle2.Assign(
 
        eC_FromInt(0), eC_Div(GetHeight() - m_vHandleHeight, 2),
 
        m_vHandleWidth, eC_Div(GetHeight() - m_vHandleHeight, 2) + m_vHandleHeight);
 
    m_kHandle2.Move(GetAbsXPos(), GetAbsYPos());
 
}
 
void ExampleControl::SetWidth(const eC_Value& vX)
 
{
 
    CGUIAbstractBar::SetWidth(vX);
 
 
 
    CalculateValues();
 
    CalculateHandle();
 
}
 
 
 
void ExampleControl::SetHeight(const eC_Value& vY)
 
{
 
    CGUIAbstractBar::SetHeight(vY);
 
 
 
    CalculateValues();
 
    CalculateHandle();
 
}
 
 
 
eC_Bool ExampleControl::DoButtonDown(const eC_Value &vAbsX, const eC_Value &vAbsY)
 
{
 
    // check handle for position
 
    if (m_kHandle1.IsInside(vAbsX, vAbsY))
 
    {
 
        m_ubMovingHandle = 1;
 
    }
 
    else if (m_kHandle2.IsInside(vAbsX, vAbsY))
 
    {
 
        m_ubMovingHandle = 2;
 
    }
 
    else
 
    {
 
        return false;
 
    }
 
 
 
    CalculateValues();
 
 
 
    InvalidateArea();
 
 
 
    return true;
 
}
 
 
 
eC_Bool ExampleControl::DoDrag(const eC_Value &vDeltaX, const eC_Value &vDeltaY, const eC_Value &vAbsX, const eC_Value &vAbsY)
 
{
 
    if (m_ubMovingHandle == 0)
 
        return false;
 
 
 
    eC_Value vPosX = vAbsX;
 
    if (vPosX > GetAbsXPosREdge() - m_vHandleWidth)
 
        vPosX = GetAbsXPosREdge() - m_vHandleWidth;
 
    else if (vPosX < GetAbsXPos())
 
        vPosX = GetAbsXPos();
 
 
 
    if (m_ubMovingHandle == 1)
 
    {
 
        m_kHandle1.MoveTo(vPosX, m_kHandle1.GetY1());
 
    }
 
    else if (m_ubMovingHandle == 2)
 
    {
 
        m_kHandle2.MoveTo(vPosX, m_kHandle2.GetY1());
 
    }
 
 
 
    CalculateValues();
 
 
 
    InvalidateArea();
 
 
 
    return true;
 
}
 
 
 
eC_Bool ExampleControl::DoDragEnd(const eC_Value &vAbsX, const eC_Value &vAbsY)
 
{
 
    if (m_ubMovingHandle == 0)
 
        return false;
 
 
 
    eC_Value vPosX = vAbsX;
 
    if (vPosX > GetAbsXPosREdge() - m_vHandleWidth)
 
        vPosX = GetAbsXPosREdge() - m_vHandleWidth;
 
    else if (vPosX < GetAbsXPos())
 
        vPosX = GetAbsXPos();
 
 
 
    if (m_ubMovingHandle == 1)
 
    {
 
        m_kHandle1.MoveTo(vPosX, m_kHandle1.GetY1());
 
    }
 
    else if (m_ubMovingHandle == 2)
 
    {
 
        m_kHandle2.MoveTo(vPosX, m_kHandle1.GetY1());
 
    }
 
 
 
    m_ubMovingHandle = 0;
 
 
 
    CalculateValues();
 
 
 
    InvalidateArea();
 
 
 
    return true;
 
}
 
 
 
eC_Bool ExampleControl::DoClick(const eC_Value &vAbsX, const eC_Value &vAbsY)
 
{
 
    if (m_ubMovingHandle != 0)
 
        return false;
 
 
 
    eC_Value vPosX = vAbsX;
 
    if (vPosX > GetAbsXPosREdge() - m_vHandleWidth)
 
        vPosX = GetAbsXPosREdge() - m_vHandleWidth;
 
    else if (vPosX < GetAbsXPos())
 
        vPosX = GetAbsXPos();
 
 
 
    if (m_kHandle1.GetX1() < m_kHandle2.GetX1())
 
    {
 
        // click only left of handle1 or right or handle2 allowed
 
        if (vAbsX <= m_kHandle1.GetX2())
 
        {
 
            m_kHandle1.MoveTo(vPosX, m_kHandle1.GetY1());
 
        }
 
        else if (vAbsX >= m_kHandle2.GetX1())
 
        {
 
            m_kHandle2.MoveTo(vPosX, m_kHandle2.GetY1());
 
        }
 
    }
 
    else
 
    {
 
        // click only left of handle1 or right or handle2 allowed
 
        if (vAbsX <= m_kHandle2.GetX2())
 
        {
 
            m_kHandle2.MoveTo(vPosX, m_kHandle2.GetY1());
 
        }
 
        else if (vAbsX >= m_kHandle1.GetX1())
 
        {
 
            m_kHandle1.MoveTo(vPosX, m_kHandle1.GetY1());
 
        }
 
    }
 
 
 
    CalculateValues();
 
 
 
    InvalidateArea();
 
 
 
    return true;
 
}
 
 
 
eC_Bool ExampleControl::DoDraw()
 
{
 
    CGUIRect kBackgroundRect(m_vMarginX, m_vMarginY, m_vMarginX + m_vBackgroundWidth, m_vMarginX + m_vBackgroundHeight);
 
    kBackgroundRect.Move(GetAbsXPos() + m_vMarginX + m_vBackgroundPosX, GetAbsYPos() + m_vMarginY + m_vBackgroundPosY);
 
 
 
    if (m_kHandle1.GetX1() < m_kHandle2.GetX1())
 
        m_kRangeRect.Assign(m_kHandle1.GetX1(), GetAbsYPos() + eC_Div(GetHeight() - m_vRangeHeight, 2), m_kHandle2.GetX2(), GetAbsYPos() + eC_Div(GetHeight() - m_vRangeHeight, 2) + m_vRangeHeight);
 
    else
 
        m_kRangeRect.Assign(m_kHandle2.GetX1(), GetAbsYPos() + eC_Div(GetHeight() - m_vRangeHeight, 2), m_kHandle1.GetX2(), GetAbsYPos() + eC_Div(GetHeight() - m_vRangeHeight, 2) + m_vRangeHeight);
 
 
 
    GETGFX.BlitImgExt(m_eBackground, kBackgroundRect);
 
    GETGFX.BlitImgExt(m_eRange, m_kRangeRect);
 
    GETGFX.BlitImg(m_eHandle1, m_kHandle1.GetX1(), m_kHandle1.GetY1());
 
    GETGFX.BlitImg(m_eHandle2, m_kHandle2.GetX1(), m_kHandle2.GetY1());
 
 
 
    return true;
 
}
 
 
 
#if defined(GUILIANI_STREAM_GUI)
 
void ExampleControl::ReadFromStream()
 
{
 
    const eC_UInt cuiVersion = ReadStreamingHeader(EXAMPLE_CONTROL_CLASS_VERSION, EXAMPLE_CONTROL_CLASS_MIN_VERSION);
 
 
 
    // always base-class first
 
    CGUIAbstractBar::ReadFromStream();
 
 
 
#if 0
 
    // remove grouping
 
    GETINPUTSTREAM.DELETE_COMMENT_TAG("ExampleControl");
 
 
 
    // remove grouping
 
    GETINPUTSTREAM.DELETE_COMMENT_TAG("/ExampleControl");
 
#endif
 
 
 
    CalculateValues();
 
    CalculateHandle();
 
}
 
#endif
 
 
 
#if defined(GUILIANI_WRITE_GUI)
 
void ExampleControl::WriteToStream(const eC_Bool bWriteClassID)
 
{
 
    WriteStreamingHeader(bWriteClassID, XMLTAG_CONTROLCLASSID, CTL_EXAMPLE, EXAMPLE_CONTROL_CLASS_VERSION);
 
 
 
    CGUIAbstractBar::WriteToStream();
 
 
 
#if 0
 
    GETOUTPUTSTREAM.WriteCommentTag("ExampleControl");
 
 
 
    // write attribute-group end
 
    GETOUTPUTSTREAM.WriteCommentTag("/ExampleControl");
 
#endif
 
 
 
    WriteStreamingFooter(bWriteClassID);
 
}
 
#endif
 
 
 
----------------------------
 
 
 
https://welovewp.com/how-to-audit-your-user-interface-design/
 
https://www.webdesignerdepot.com/2015/02/the-best-free-ui-kits-february-2015/
 
https://visual.ly/community/infographic/other/10-commandments-user-interface-design
 
https://www.componentsource.com/news/feature-releases/2015/10/28/gui-design-studio
 
 
 
https://www.appcues.com/blog/30-awesome-free-ui-vector-kits-for-your-mockups-and-wireframes
 
designmodo.github.io/Flat-UI/
 
https://mashable.com/2013/07/29/flat-design-ui-kits/?europe=true
 
 
 
- auto-stretch for text
 
- invalidate layout after resizing
 
- calendar-widget
 
- rating-slider (bargraph)
 
- multiedge-slider
 
 
 
 
 
</nowiki>
 

Latest revision as of 05:51, 15 April 2021