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 /**   Circular Gauge Management (Circular Gauge)                          */
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_system.h"
30 #include "gx_circular_gauge.h"
31 #include "gx_utility.h"
32 
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _gx_circular_gauge_needle_rotate                    PORTABLE C      */
39 /*                                                           6.1          */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    Kenneth Maxwell, Microsoft Corporation                              */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function rotates the needle of the specified circular gauge.   */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    circular_gauge                        Circular gauge control block  */
51 /*                                                                        */
52 /*  OUTPUT                                                                */
53 /*                                                                        */
54 /*    status                                Completion status             */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*                                                                        */
58 /*    _gx_context_pixelmap_get              Gets the pixelmap associated  */
59 /*                                            the supplied resource ID.   */
60 /*    _gx_utility_pixelmap_rotate           Rotate a pixelmap.            */
61 /*                                                                        */
62 /*  CALLED BY                                                             */
63 /*                                                                        */
64 /*    Application Code                                                    */
65 /*                                                                        */
66 /*  RELEASE HISTORY                                                       */
67 /*                                                                        */
68 /*    DATE              NAME                      DESCRIPTION             */
69 /*                                                                        */
70 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
71 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
72 /*                                            resulting in version 6.1    */
73 /*                                                                        */
74 /**************************************************************************/
_gx_circular_gauge_needle_rotate(GX_CIRCULAR_GAUGE * gauge)75 UINT  _gx_circular_gauge_needle_rotate(GX_CIRCULAR_GAUGE *gauge)
76 {
77 UINT                    status = GX_SUCCESS;
78 GX_CIRCULAR_GAUGE_INFO *info;
79 INT                    xcor;
80 INT                    ycor;
81 
82 
83     /* Pick up pointer to the gauge information structure.  */
84     info = &gauge -> gx_circular_gauge_info;
85 
86     if (gauge -> gx_circular_gauge_needle_source)
87     {
88         xcor = (INT)(info -> gx_circular_gauge_info_needle_xcor);
89         ycor = (INT)(info -> gx_circular_gauge_info_needle_ycor);
90 
91         gauge -> gx_circular_gauge_current_needle_x = info -> gx_circular_gauge_info_needle_xpos;
92         gauge -> gx_circular_gauge_current_needle_y = info -> gx_circular_gauge_info_needle_ypos;
93 
94         /* Rotate needle pixelmap. */
95 
96         status = _gx_utility_pixelmap_rotate(gauge -> gx_circular_gauge_needle_source, gauge -> gx_circular_gauge_current_angle,
97                                                 &(gauge -> gx_circular_gauge_needle_rotated),
98                                                 &xcor, &ycor);
99 
100         if (status == GX_SUCCESS)
101         {
102             /* Calculate start position of needle pixelmap.  */
103             gauge -> gx_circular_gauge_current_needle_x = gauge -> gx_widget_size.gx_rectangle_left + info -> gx_circular_gauge_info_needle_xpos;
104 
105             gauge -> gx_circular_gauge_current_needle_x -= xcor;
106 
107             gauge -> gx_circular_gauge_current_needle_y = gauge -> gx_widget_size.gx_rectangle_top + info -> gx_circular_gauge_info_needle_ypos;
108             gauge -> gx_circular_gauge_current_needle_y -= ycor;
109         }
110     }
111 
112     return status;
113 }
114 
115 /**************************************************************************/
_gx_circular_gauge_needle_rotate_callback(VOID * gauge)116 UINT  _gx_circular_gauge_needle_rotate_callback(VOID *gauge)
117 {
118     return _gx_circular_gauge_needle_rotate((GX_CIRCULAR_GAUGE *)gauge);
119 }
120 
121