legato_widget_gradient.h

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/*******************************************************************************
 Module for Microchip Graphics Library - Legato User Interface Library

  Company:
    Microchip Technology Inc.

  File Name:
    legato_widget_gradient.h

  Summary:


  Description:
    This module implements gradient drawing widget functions.
*******************************************************************************/
#ifndef LEGATO_GRADIENT_H
#define LEGATO_GRADIENT_H

#include "gfx/legato/common/legato_common.h"

#if LE_GRADIENT_WIDGET_ENABLED == 1

#ifdef __cplusplus
extern "C" {
#endif

#include "gfx/legato/widget/legato_widget.h"

// *****************************************************************************
// *****************************************************************************
// Section: Data Types and Constants
// *****************************************************************************
// *****************************************************************************

// *****************************************************************************

/* internal use only */
typedef struct leGradientWidget leGradientWidget;

#define LE_GRADIENTWIDGET_VTABLE(THIS_TYPE) \
    LE_WIDGET_VTABLE(THIS_TYPE) \
    \
    leDirection (*getDirection)(const THIS_TYPE* _this); \
    leResult    (*setDirection)(THIS_TYPE* _this, leDirection dir); \

typedef struct leGradientWidgetVTable
{
    LE_GRADIENTWIDGET_VTABLE(leGradientWidget)
} leGradientWidgetVTable;

typedef struct leGradientWidget
{
    leWidget widget; // widget base class

    const leGradientWidgetVTable* fn;

    leDirection dir; // gradient direction
} leGradientWidget;

// *****************************************************************************
// *****************************************************************************
// Section: Routines
// *****************************************************************************
// *****************************************************************************

leGradientWidget* leGradientWidget_New(void);

void leGradientWidget_Constructor(leGradientWidget* grad);

#ifdef _DOXYGEN_
#define THIS_TYPE struct leWidget


// *****************************************************************************/
virtual leDirection getDirection(leGradientWidget* _this);


// *****************************************************************************
virtual leResult setDirection(leGradientWidget* _this,
                              leDirection dir);

#undef THIS_TYPE
#endif

#ifdef __cplusplus
}
#endif

#endif // LE_GRADIENT_WIDGET_ENABLED
#endif /* LEGATO_RECTANGLE_H */