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/*************************************************************************** |
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* Copyright (c) 2024 Microsoft Corporation |
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* Copyright (c) 2026-present Eclipse ThreadX contributors |
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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_center 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 centers the rectangle within another rectangle. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* rectangle Rectangle to center */ |
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/* within Rectangle to center within */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* None */ |
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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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/**************************************************************************/ |
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UINT _gx_utility_rectangle_center(GX_RECTANGLE *rectangle, GX_RECTANGLE *within) |
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{ |
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INT x_space; |
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INT y_space; |
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INT x_delta; |
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INT y_delta; |
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x_space = (((within -> gx_rectangle_right - |
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within -> gx_rectangle_left) + 1) - |
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((rectangle -> gx_rectangle_right - |
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rectangle -> gx_rectangle_left) + 1)) / 2; |
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y_space = (((within -> gx_rectangle_bottom - |
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within -> gx_rectangle_top) + 1) - |
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((rectangle -> gx_rectangle_bottom - |
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rectangle -> gx_rectangle_top) + 1)) / 2; |
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x_delta = within -> gx_rectangle_left + x_space - rectangle -> gx_rectangle_left; |
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y_delta = within -> gx_rectangle_top + y_space - rectangle -> gx_rectangle_top; |
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rectangle -> gx_rectangle_left = (GX_VALUE)(rectangle -> gx_rectangle_left + x_delta); |
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rectangle -> gx_rectangle_top = (GX_VALUE)(rectangle -> gx_rectangle_top + y_delta); |
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rectangle -> gx_rectangle_right = (GX_VALUE)(rectangle -> gx_rectangle_right + x_delta); |
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rectangle -> gx_rectangle_bottom = (GX_VALUE)(rectangle -> gx_rectangle_bottom + y_delta); |
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return GX_SUCCESS; |
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} |
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