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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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/** Animation Management (Animation) */ |
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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_system.h" |
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#include "gx_canvas.h" |
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#include "gx_animation.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_animation_start PORTABLE C */ |
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/* 6.1.3 */ |
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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 function starts an animation sequence. */ |
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/* */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* animation Pointer to animation control */ |
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/* block */ |
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/* info Animation information */ |
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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_widget_detach Detach a widget from its */ |
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/* parent */ |
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/* _gx_widget_shift Shift a widget */ |
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/* _gx_canvas_offset_set Set the offset of canvas */ |
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/* _gx_canvas_alpha_set Set the alpha of canvas */ |
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/* _gx_widget_attach Attach a widget to its parent */ |
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/* _gx_widget_show Show a widget */ |
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/* tx_timer_info_get Get the information of */ |
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/* ThreadX timer */ |
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/* tx_timer_activate Start the ThreadX timer */ |
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/* */ |
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/* CALLED BY */ |
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/* */ |
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/* Application Code */ |
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/* */ |
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/**************************************************************************/ |
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#if (GX_ANIMATION_POOL_SIZE > 0) |
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UINT _gx_animation_start(GX_ANIMATION *animation, GX_ANIMATION_INFO *info) |
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{ |
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UINT status = GX_SUCCESS; |
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GX_WINDOW_ROOT *root; |
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#ifdef GX_THREADX_BINDING |
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#ifndef GX_DISABLE_THREADX_TIMER_SOURCE |
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UINT tx_timer_active; |
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#endif |
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#endif |
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GX_VALUE left; |
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GX_VALUE top; |
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animation -> gx_animation_total_steps = info -> gx_animation_steps; |
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✓✓ |
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if (animation -> gx_animation_canvas) |
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{ |
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/* Make sure the widget is not attached to any parent */ |
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_gx_widget_detach(info -> gx_animation_target); |
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/* position the target widget at 0,0 within the animation canvas */ |
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left = info -> gx_animation_target -> gx_widget_size.gx_rectangle_left; |
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top = info -> gx_animation_target -> gx_widget_size.gx_rectangle_top; |
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✓✓✓✓
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if (left || top) |
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{ |
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_gx_widget_shift(info -> gx_animation_target, (GX_VALUE)-left, (GX_VALUE)-top, GX_FALSE); |
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} |
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/* position the canvas at the animation starting position */ |
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_gx_canvas_offset_set(animation -> gx_animation_canvas, |
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info -> gx_animation_start_position.gx_point_x, |
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info -> gx_animation_start_position.gx_point_y); |
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/* link the target to the animation root window */ |
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root = _gx_system_root_window_created_list; |
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✓✓✓✓
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while (root && root -> gx_window_root_canvas != animation -> gx_animation_canvas) |
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{ |
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root = (GX_WINDOW_ROOT *)root -> gx_widget_next; |
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} |
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✓✓ |
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if (root) |
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{ |
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_gx_widget_attach((GX_WIDGET *)root, info -> gx_animation_target); |
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/* and show the animation root window to make everything visible */ |
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_gx_widget_show((GX_WIDGET *)root); |
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_gx_canvas_drawing_initiate(animation -> gx_animation_canvas, (GX_WIDGET *) root, &root -> gx_widget_size); |
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_gx_widget_children_draw((GX_WIDGET *)root); |
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_gx_canvas_drawing_complete(animation -> gx_animation_canvas, GX_FALSE); |
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/* set the initial alpha and make our canvas visible */ |
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_gx_canvas_alpha_set(animation -> gx_animation_canvas, info -> gx_animation_start_alpha); |
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_gx_canvas_show(animation -> gx_animation_canvas); |
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} |
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else |
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{ |
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status = GX_FAILURE; |
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} |
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} |
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else |
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{ |
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✓✓ |
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if (info -> gx_animation_start_alpha != info -> gx_animation_end_alpha) |
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{ |
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#ifdef GX_BRUSH_ALPHA_SUPPORT |
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info -> gx_animation_target -> gx_widget_style |= GX_STYLE_USE_LOCAL_ALPHA; |
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info -> gx_animation_target -> gx_widget_alpha = info -> gx_animation_start_alpha; |
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#else |
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status = GX_INVALID_VALUE; |
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#endif |
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} |
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/* position the target at the starting position */ |
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left = (GX_VALUE)(info -> gx_animation_start_position.gx_point_x - |
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info -> gx_animation_target -> gx_widget_size.gx_rectangle_left); |
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top = (GX_VALUE)(info -> gx_animation_start_position.gx_point_y - |
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info -> gx_animation_target -> gx_widget_size.gx_rectangle_top); |
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✓✓✓✓
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if (left || top) |
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{ |
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_gx_widget_shift(info -> gx_animation_target, |
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left, top, GX_TRUE); |
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} |
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/* link the target to the animation root window */ |
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_gx_widget_attach(info -> gx_animation_parent, info -> gx_animation_target); |
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} |
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/* If we were able to start this animation, link it into the active list */ |
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✓✓ |
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if (status == GX_SUCCESS) |
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{ |
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/* save the animation parameters */ |
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animation -> gx_animation_info = *info; |
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✓✓ |
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if (info -> gx_animation_start_delay) |
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{ |
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animation -> gx_animation_timer = info -> gx_animation_start_delay; |
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} |
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else |
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{ |
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animation -> gx_animation_timer = animation -> gx_animation_info.gx_animation_frame_interval; |
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} |
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animation -> gx_animation_status = GX_ANIMATION_ACTIVE; |
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animation -> gx_animation_next = _gx_system_animation_list; |
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_gx_system_animation_list = animation; |
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#ifdef GX_THREADX_BINDING |
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#ifndef GX_DISABLE_THREADX_TIMER_SOURCE |
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/* if the low-level timer is not active, start it */ |
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tx_timer_info_get(&_gx_system_timer, (CHAR **)TX_NULL, &tx_timer_active, |
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(ULONG *)TX_NULL, (ULONG *)TX_NULL, (TX_TIMER **)TX_NULL); |
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✓✓ |
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if (!tx_timer_active) |
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{ |
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tx_timer_activate(&_gx_system_timer); |
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} |
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#endif |
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#else |
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GX_TIMER_START; |
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#endif |
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} |
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return(status); |
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} |
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#endif |