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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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/** Sprite Management (Sprite) */ |
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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_system.h" |
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#include "gx_display.h" |
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#include "gx_context.h" |
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#include "gx_canvas.h" |
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#include "gx_widget.h" |
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#include "gx_sprite.h" |
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/**************************************************************************/ |
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/* */ |
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/* FUNCTION RELEASE */ |
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/* */ |
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/* _gx_sprite_start 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 starts the sprite widget from a given frame number. */ |
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/* */ |
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/* INPUT */ |
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/* */ |
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/* sprite Pointer to sprite widget */ |
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/* control block */ |
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/* frame_number The frame number to start */ |
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/* with */ |
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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_system_timer_stop Stop an active GUIX timer */ |
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/* _gx_system_timer_start Start a GUIX timer */ |
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/* _gx_system_dirty_mark Mark the widget as dirty */ |
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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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UINT _gx_sprite_start(GX_SPRITE *sprite, USHORT frame_number) |
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{ |
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GX_WIDGET *widget = (GX_WIDGET *)sprite; |
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GX_SPRITE_FRAME *frame; |
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UINT delayval; |
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✓✓ |
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if (sprite -> gx_sprite_run_state == GX_SPRITE_RUNNING) |
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{ |
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_gx_system_timer_stop(widget, GX_SPRITE_TIMER); |
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sprite -> gx_sprite_run_state = GX_SPRITE_IDLE; |
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} |
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✓✓ |
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if (sprite -> gx_sprite_frame_list && |
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✓✓ |
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(widget -> gx_widget_status & GX_STATUS_VISIBLE)) |
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{ |
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✓✓ |
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if (frame_number < sprite -> gx_sprite_frame_count) |
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{ |
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sprite -> gx_sprite_current_frame = frame_number; |
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frame = &sprite -> gx_sprite_frame_list[sprite -> gx_sprite_current_frame]; |
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✓✓ |
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if (frame -> gx_sprite_frame_delay > 0) |
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{ |
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delayval = frame -> gx_sprite_frame_delay; |
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} |
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else |
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{ |
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delayval = 1; |
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} |
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_gx_system_timer_start(widget, GX_SPRITE_TIMER, delayval, 0); |
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sprite -> gx_sprite_run_state = GX_SPRITE_RUNNING; |
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_gx_system_dirty_mark(widget); |
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return(GX_SUCCESS); |
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} |
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} |
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return(GX_FAILURE); |
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} |
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