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 /** Radial Slider Management (Slider) */ 19 /** */ 20 /**************************************************************************/ 21 22 #define GX_SOURCE_CODE 23 24 25 /* Include necessary system files. */ 26 27 #include "gx_api.h" 28 #include "gx_widget.h" 29 #include "gx_context.h" 30 #include "gx_canvas.h" 31 #include "gx_radial_slider.h" 32 33 /**************************************************************************/ 34 /* */ 35 /* FUNCTION RELEASE */ 36 /* */ 37 /* _gx_radial_slider_draw PORTABLE C */ 38 /* 6.1 */ 39 /* AUTHOR */ 40 /* */ 41 /* Kenneth Maxwell, Microsoft Corporation */ 42 /* */ 43 /* DESCRIPTION */ 44 /* */ 45 /* This function draws a radial slider widget. */ 46 /* */ 47 /* INPUT */ 48 /* */ 49 /* slider Radial slider control block */ 50 /* */ 51 /* OUTPUT */ 52 /* */ 53 /* None */ 54 /* */ 55 /* CALLS */ 56 /* */ 57 /* _gx_widget_draw Default widget draw */ 58 /* _gx_context_pixelmap_get Retrieve pixelmap with */ 59 /* specified pixelmap id */ 60 /* _gx_canvas_pixelmap_draw Draw a pixelmap to canvas */ 61 /* _gx_widget_children_draw Draw widget children */ 62 /* _gx_radial_slider_needle_rectangle_get */ 63 /* Retrive needle bounding */ 64 /* rectangle */ 65 /* */ 66 /* CALLED BY */ 67 /* */ 68 /* GUIX Internal Code */ 69 /* Application Code */ 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 /* */ 79 /**************************************************************************/ _gx_radial_slider_draw(GX_RADIAL_SLIDER * slider)80VOID _gx_radial_slider_draw(GX_RADIAL_SLIDER *slider) 81 { 82 GX_PIXELMAP *map = GX_NULL; 83 GX_RECTANGLE size; 84 85 /* Call default widget draw. */ 86 _gx_widget_background_draw((GX_WIDGET *)slider); 87 88 _gx_context_pixelmap_get(slider -> gx_radial_slider_info.gx_radial_slider_info_background_pixelmap, &map); 89 90 _gx_widget_context_fill_set((GX_WIDGET *)slider); 91 92 if (map) 93 { 94 /* Draw background pixelmap. */ 95 _gx_canvas_pixelmap_draw(slider -> gx_widget_size.gx_rectangle_left, slider -> gx_widget_size.gx_rectangle_top, map); 96 } 97 98 /* Pick needle pixelmap. */ 99 _gx_context_pixelmap_get(slider -> gx_radial_slider_info.gx_radial_slider_info_needle_pixelmap, &map); 100 101 if (map) 102 { 103 /* Calcualte needle bounding rectangle. */ 104 _gx_radial_slider_needle_rectangle_calculate(slider, &size); 105 106 /* Draw needle. */ 107 _gx_canvas_pixelmap_draw(size.gx_rectangle_left, size.gx_rectangle_top, map); 108 } 109 110 /* Draw children widgets. */ 111 _gx_widget_children_draw((GX_WIDGET *)slider); 112 } 113 114
