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
 
#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
// *****************************************************************************
// *****************************************************************************
 
LIB_EXPORT leGradientWidget* leGradientWidget_New();
 
LIB_EXPORT 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
 
 
#endif // LE_GRADIENT_WIDGET_ENABLED
#endif /* LEGATO_RECTANGLE_H */