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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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/** Radial Slider Management (Slider) */ |
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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_radial_slider.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_radial_slider_anchor_angle_calculate 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 retrieves the nearest anchor angle for the specified */ |
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/* angle value. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* slider Radial slider control block */ |
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/* angle_value Angle value whose neareast */ |
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/* anchor angle is calculated */ |
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/* */ |
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/* OUTPUT */ |
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/* */ |
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/* status Completion status */ |
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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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/* GUIX Internal Code */ |
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/* */ |
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/**************************************************************************/ |
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UINT _gx_radial_slider_anchor_angle_calculate(GX_RADIAL_SLIDER *slider, GX_VALUE *angle_value) |
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{ |
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INT index; |
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GX_VALUE min_value; |
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GX_VALUE max_value; |
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GX_VALUE neareast_anchor_value; |
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GX_RADIAL_SLIDER_INFO *info = &slider -> gx_radial_slider_info; |
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index = 0; |
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/* Range angle value inside min/max angles. */ |
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✓✓ |
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if (*angle_value <= info->gx_radial_slider_info_min_angle) |
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{ |
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neareast_anchor_value = info->gx_radial_slider_info_min_angle; |
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} |
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✓✓ |
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else if (*angle_value >= info->gx_radial_slider_info_max_angle) |
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{ |
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neareast_anchor_value = info->gx_radial_slider_info_max_angle; |
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} |
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else |
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{ |
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neareast_anchor_value = *angle_value; |
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} |
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✓✓ |
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if (info -> gx_radial_slider_info_angle_list) |
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{ |
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/* If an angle list is supplied, set the target value to one of the values |
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in angle list that is nearest to the given value. */ |
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✓✓ |
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while (index < info -> gx_radial_slider_info_list_count) |
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{ |
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✓✓ |
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if (index == 0) |
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{ |
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min_value = info -> gx_radial_slider_info_angle_list[index]; |
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} |
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else |
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{ |
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min_value = (GX_VALUE)((info -> gx_radial_slider_info_angle_list[index] + info -> gx_radial_slider_info_angle_list[index - 1]) >> 1); |
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} |
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✓✓ |
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if (index == info -> gx_radial_slider_info_list_count - 1) |
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{ |
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max_value = info -> gx_radial_slider_info_angle_list[index]; |
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} |
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else |
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{ |
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max_value = (GX_VALUE)((info -> gx_radial_slider_info_angle_list[index] + info -> gx_radial_slider_info_angle_list[index + 1]) >> 1); |
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} |
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✓✓ |
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if (min_value > max_value) |
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{ |
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GX_SWAP_VALS(min_value, max_value); |
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} |
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✓✓✓✓
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if ((neareast_anchor_value >= min_value) && (neareast_anchor_value <= max_value)) |
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{ |
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neareast_anchor_value = info -> gx_radial_slider_info_angle_list[index]; |
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break; |
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} |
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index++; |
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} |
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} |
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(*angle_value) = neareast_anchor_value; |
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return(GX_SUCCESS); |
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} |
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