1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** GUIX Component */ 17 /** */ 18 /** Sprite Management (Sprite) */ 19 /** */ 20 /**************************************************************************/ 21 22 #define GX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "gx_api.h" 28 #include "gx_system.h" 29 #include "gx_display.h" 30 #include "gx_context.h" 31 #include "gx_canvas.h" 32 #include "gx_widget.h" 33 #include "gx_sprite.h" 34 35 36 /**************************************************************************/ 37 /* */ 38 /* FUNCTION RELEASE */ 39 /* */ 40 /* _gx_sprite_update PORTABLE C */ 41 /* 6.1.10 */ 42 /* AUTHOR */ 43 /* */ 44 /* Kenneth Maxwell, Microsoft Corporation */ 45 /* */ 46 /* DESCRIPTION */ 47 /* */ 48 /* This service draws a sprite widget. */ 49 /* */ 50 /* INPUT */ 51 /* */ 52 /* sprite Pointer to the control block */ 53 /* of the sprite widget */ 54 /* */ 55 /* OUTPUT */ 56 /* */ 57 /* None */ 58 /* */ 59 /* CALLS */ 60 /* */ 61 /* _gx_widget_event_generate Generate an event */ 62 /* _gx_system_timer_start Allocate a free timer and */ 63 /* activate it */ 64 /* _gx_system_dirty_mark Mark widget as dirty */ 65 /* */ 66 /* CALLED BY */ 67 /* */ 68 /* _gx_sprite_event_process Event process routine for */ 69 /* the sprite widget */ 70 /* */ 71 /* RELEASE HISTORY */ 72 /* */ 73 /* DATE NAME DESCRIPTION */ 74 /* */ 75 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ 76 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */ 77 /* resulting in version 6.1 */ 78 /* 01-31-2022 Kenneth Maxwell Modified comment(s), */ 79 /* fix logic for restarting */ 80 /* sprite timer, */ 81 /* resulting in version 6.1.10 */ 82 /* */ 83 /**************************************************************************/ _gx_sprite_update(GX_SPRITE * sprite)84VOID _gx_sprite_update(GX_SPRITE *sprite) 85 { 86 GX_WIDGET *widget = (GX_WIDGET *)sprite; 87 GX_SPRITE_FRAME *frame; 88 UINT delayval; 89 90 if (sprite->gx_sprite_run_state == GX_SPRITE_RUNNING) 91 { 92 if (sprite -> gx_sprite_frame_list) 93 { 94 if (sprite -> gx_sprite_current_frame + 1 >= sprite -> gx_sprite_frame_count) 95 { 96 if (sprite -> gx_widget_style & GX_STYLE_SPRITE_LOOP) 97 { 98 sprite -> gx_sprite_current_frame = 0; 99 } 100 else 101 { 102 sprite -> gx_sprite_run_state = GX_SPRITE_IDLE; 103 _gx_widget_event_generate(widget, GX_EVENT_SPRITE_COMPLETE, 0); 104 return; 105 } 106 } 107 else 108 { 109 sprite -> gx_sprite_current_frame++; 110 } 111 112 frame = &sprite -> gx_sprite_frame_list[sprite -> gx_sprite_current_frame]; 113 if (frame -> gx_sprite_frame_delay > 0) 114 { 115 delayval = frame -> gx_sprite_frame_delay; 116 } 117 else 118 { 119 delayval = 1; 120 } 121 _gx_system_timer_start(widget, GX_SPRITE_TIMER, delayval, 0); 122 _gx_system_dirty_mark(widget); 123 } 124 else 125 { 126 sprite -> gx_sprite_run_state = GX_SPRITE_IDLE; 127 } 128 } 129 } 130 131
