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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the MIT License which is available at |
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* https://opensource.org/licenses/MIT. |
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* |
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* SPDX-License-Identifier: MIT |
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**************************************************************************/ |
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/**************************************************************************/ |
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/**************************************************************************/ |
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/** */ |
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/** GUIX Component */ |
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/** */ |
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/** Utility (Utility) */ |
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/** */ |
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/**************************************************************************/ |
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#define GX_SOURCE_CODE |
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/* Include necessary system files. */ |
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#include "gx_api.h" |
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#include "gx_utility.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_utility_rectangle_overlap_detect PORTABLE C */ |
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/* 6.1 */ |
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/* AUTHOR */ |
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/* */ |
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/* Kenneth Maxwell, Microsoft Corporation */ |
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/* */ |
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/* DESCRIPTION */ |
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/* */ |
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/* This service detects any overlap of the supplied rectangles. */ |
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/* If overlap is found, the service returns GX_TRUE and the */ |
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/* overlapping rectangle. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* first_rectangle First rectangle */ |
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/* second_rectangle Second rectangle */ |
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/* return_overlap_area Overlapping rectangle area */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* [GX_TRUE | GX_FALSE] */ |
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/* */ |
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/* CALLS */ |
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/* */ |
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/* None */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* GUIX Internal Code */ |
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/* */ |
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/* RELEASE HISTORY */ |
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/* */ |
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/* DATE NAME DESCRIPTION */ |
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/* */ |
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/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
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/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
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/* resulting in version 6.1 */ |
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/* */ |
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/**************************************************************************/ |
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26411815 |
GX_BOOL _gx_utility_rectangle_overlap_detect(GX_RECTANGLE *first_rectangle, GX_RECTANGLE *second_rectangle, |
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GX_RECTANGLE *return_overlap_area) |
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{ |
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GX_RECTANGLE test; |
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26411815 |
GX_BOOL overlap = GX_FALSE; |
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✓✓ |
26411815 |
if (second_rectangle -> gx_rectangle_left < first_rectangle -> gx_rectangle_left) |
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{ |
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12162149 |
test.gx_rectangle_left = first_rectangle -> gx_rectangle_left; |
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} |
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else |
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{ |
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14249666 |
test.gx_rectangle_left = second_rectangle -> gx_rectangle_left; |
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} |
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✓✓ |
26411815 |
if (second_rectangle -> gx_rectangle_top < first_rectangle -> gx_rectangle_top) |
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{ |
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11865021 |
test.gx_rectangle_top = first_rectangle -> gx_rectangle_top; |
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} |
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else |
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{ |
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14546794 |
test.gx_rectangle_top = second_rectangle -> gx_rectangle_top; |
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} |
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✓✓ |
26411815 |
if (second_rectangle -> gx_rectangle_right > first_rectangle -> gx_rectangle_right) |
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{ |
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12136455 |
test.gx_rectangle_right = first_rectangle -> gx_rectangle_right; |
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} |
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else |
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{ |
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14275360 |
test.gx_rectangle_right = second_rectangle -> gx_rectangle_right; |
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} |
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✓✓ |
26411815 |
if (second_rectangle -> gx_rectangle_bottom > first_rectangle -> gx_rectangle_bottom) |
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{ |
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11321976 |
test.gx_rectangle_bottom = first_rectangle -> gx_rectangle_bottom; |
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} |
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else |
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{ |
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15089839 |
test.gx_rectangle_bottom = second_rectangle -> gx_rectangle_bottom; |
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} |
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✓✓ |
26411815 |
if (test.gx_rectangle_left <= test.gx_rectangle_right && |
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✓✓ |
24966152 |
test.gx_rectangle_top <= test.gx_rectangle_bottom) |
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{ |
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overlap = GX_TRUE; |
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} |
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✓✓ |
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if (return_overlap_area) |
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{ |
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25609966 |
*return_overlap_area = test; |
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} |
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26411815 |
return(overlap); |
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} |
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