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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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/** Widget Management (Widget) */ |
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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_widget.h" |
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#include "gx_window.h" |
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#include "gx_system.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_widget_canvas_get 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 gets the widget canvas. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* widget Pointer to widget */ |
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/* return_canvas Pointer to destination for */ |
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/* widget's canvas */ |
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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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/* _gx_window_root_find Find the root window */ |
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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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997703 |
UINT _gx_widget_canvas_get(GX_WIDGET *widget, GX_CANVAS **return_canvas) |
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{ |
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GX_WINDOW_ROOT *root; |
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GX_DRAW_CONTEXT *context; |
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UINT status; |
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997703 |
status = _gx_window_root_find(widget, &root); |
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✓✓ |
997703 |
if (status == GX_SUCCESS) |
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{ |
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997690 |
*return_canvas = root -> gx_window_root_canvas; |
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} |
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else |
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{ |
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context = _gx_system_current_draw_context; |
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✓✓ |
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if (context) |
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{ |
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*return_canvas = context -> gx_draw_context_canvas; |
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status = GX_SUCCESS; |
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} |
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else |
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{ |
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*return_canvas = GX_NULL; |
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} |
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} |
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997703 |
return(status); |
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} |
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