legato_rect.h

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/*******************************************************************************
 Module for Microchip Graphics Library - Legato User Interface Library
 
  Company:
    Microchip Technology Inc.
 
  File Name:
    legato_rect.h
 
  Summary:
    Defines general purposes rectangle functions.
 
  Description:
    Rectangle management functions.
*******************************************************************************/
 
#ifndef LE_RECT_H
#define LE_RECT_H
 
#include "gfx/legato/common/legato_common.h"
 
// *****************************************************************************
// *****************************************************************************
// Section: Routines
// *****************************************************************************
// *****************************************************************************
 
// *****************************************************************************
LIB_EXPORT leBool leRectContainsPoint(const leRect* rect, const lePoint* point);
 
// *****************************************************************************
LIB_EXPORT leBool leRectContainsRect(const leRect* l_rect, const leRect* r_rect);
 
// *****************************************************************************
LIB_EXPORT leBool leRectIntersects(const leRect* l_rect, const leRect* r_rect);
 
// *****************************************************************************
LIB_EXPORT leRect leRectCombine(const leRect* l_rect,
                                const leRect* r_rect);
 
// *****************************************************************************
LIB_EXPORT void leRectClip(const leRect* l_rect,
                           const leRect* r_rect, 
                           leRect* result);
 
// *****************************************************************************
/* Function:
    leRect leRectClipAdj(const leRect* l_rect,
                         const leRect* r_rect, 
                         leRect* adj)
 
  Summary:
    Returns the rectangle clipped using r_rect, and also adjusts the third rectangle
 
  Parameters:
    const leRect* l_rect - the subject rectangle
    const leRect* r_rect - the object rectangle
    leRect* adj - the adjust rectangle
    
  Returns:
    void
    
  Remarks:
    result will equals l_rect if the rectangles aren't intersecting
    
*/
LIB_EXPORT leRect leRectClipAdj(const leRect* l_rect,
                                const leRect* r_rect, 
                                leRect* adj);
 
// *****************************************************************************                 
LIB_EXPORT leRect leRectFromPoints(const lePoint* p1,
                                   const lePoint* p2);
 
// *****************************************************************************
LIB_EXPORT void leRectToPoints(const leRect* rect,
                               lePoint* p1,
                               lePoint* p2);    
 
// *****************************************************************************
LIB_EXPORT uint32_t leRectSplit(const leRect* sub,
                                const leRect* obj,
                                leRect res[4]); 
 
// *****************************************************************************
LIB_EXPORT int32_t leRectCompare(const leRect* l,
                                 const leRect* r);   
 
// *****************************************************************************
LIB_EXPORT leBool leRectsAreSimilar(const leRect* l,
                                      const leRect* r);                                                            
static const leRect leRect_Zero = {0, 0, 0, 0};
#endif /* LE_RECT_H */