1 /***************************************************************************
2  * Copyright (c) 2024 Microsoft Corporation
3  *
4  * This program and the accompanying materials are made available under the
5  * terms of the MIT License which is available at
6  * https://opensource.org/licenses/MIT.
7  *
8  * SPDX-License-Identifier: MIT
9  **************************************************************************/
10 
11 
12 /**************************************************************************/
13 /**************************************************************************/
14 /**                                                                       */
15 /** GUIX Component                                                        */
16 /**                                                                       */
17 /**   Circular Gauge Management (Circular Gauge)                          */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_widget.h"
28 #include "gx_system.h"
29 #include "gx_circular_gauge.h"
30 #include "gx_utility.h"
31 
32 
33 /**************************************************************************/
34 /*                                                                        */
35 /*  FUNCTION                                               RELEASE        */
36 /*                                                                        */
37 /*    _gx_circular_gauge_needle_rotate                    PORTABLE C      */
38 /*                                                           6.1          */
39 /*  AUTHOR                                                                */
40 /*                                                                        */
41 /*    Kenneth Maxwell, Microsoft Corporation                              */
42 /*                                                                        */
43 /*  DESCRIPTION                                                           */
44 /*                                                                        */
45 /*    This function rotates the needle of the specified circular gauge.   */
46 /*                                                                        */
47 /*  INPUT                                                                 */
48 /*                                                                        */
49 /*    circular_gauge                        Circular gauge control block  */
50 /*                                                                        */
51 /*  OUTPUT                                                                */
52 /*                                                                        */
53 /*    status                                Completion status             */
54 /*                                                                        */
55 /*  CALLS                                                                 */
56 /*                                                                        */
57 /*    _gx_context_pixelmap_get              Gets the pixelmap associated  */
58 /*                                            the supplied resource ID.   */
59 /*    _gx_utility_pixelmap_rotate           Rotate a pixelmap.            */
60 /*                                                                        */
61 /*  CALLED BY                                                             */
62 /*                                                                        */
63 /*    Application Code                                                    */
64 /*                                                                        */
65 /*  RELEASE HISTORY                                                       */
66 /*                                                                        */
67 /*    DATE              NAME                      DESCRIPTION             */
68 /*                                                                        */
69 /*  05-19-2020     Kenneth Maxwell          Initial Version 6.0           */
70 /*  09-30-2020     Kenneth Maxwell          Modified comment(s),          */
71 /*                                            resulting in version 6.1    */
72 /*                                                                        */
73 /**************************************************************************/
_gx_circular_gauge_needle_rotate(GX_CIRCULAR_GAUGE * gauge)74 UINT  _gx_circular_gauge_needle_rotate(GX_CIRCULAR_GAUGE *gauge)
75 {
76 UINT                    status = GX_SUCCESS;
77 GX_CIRCULAR_GAUGE_INFO *info;
78 INT                    xcor;
79 INT                    ycor;
80 
81 
82     /* Pick up pointer to the gauge information structure.  */
83     info = &gauge -> gx_circular_gauge_info;
84 
85     if (gauge -> gx_circular_gauge_needle_source)
86     {
87         xcor = (INT)(info -> gx_circular_gauge_info_needle_xcor);
88         ycor = (INT)(info -> gx_circular_gauge_info_needle_ycor);
89 
90         gauge -> gx_circular_gauge_current_needle_x = info -> gx_circular_gauge_info_needle_xpos;
91         gauge -> gx_circular_gauge_current_needle_y = info -> gx_circular_gauge_info_needle_ypos;
92 
93         /* Rotate needle pixelmap. */
94 
95         status = _gx_utility_pixelmap_rotate(gauge -> gx_circular_gauge_needle_source, gauge -> gx_circular_gauge_current_angle,
96                                                 &(gauge -> gx_circular_gauge_needle_rotated),
97                                                 &xcor, &ycor);
98 
99         if (status == GX_SUCCESS)
100         {
101             /* Calculate start position of needle pixelmap.  */
102             gauge -> gx_circular_gauge_current_needle_x = gauge -> gx_widget_size.gx_rectangle_left + info -> gx_circular_gauge_info_needle_xpos;
103 
104             gauge -> gx_circular_gauge_current_needle_x -= xcor;
105 
106             gauge -> gx_circular_gauge_current_needle_y = gauge -> gx_widget_size.gx_rectangle_top + info -> gx_circular_gauge_info_needle_ypos;
107             gauge -> gx_circular_gauge_current_needle_y -= ycor;
108         }
109     }
110 
111     return status;
112 }
113 
114 /**************************************************************************/
_gx_circular_gauge_needle_rotate_callback(VOID * gauge)115 UINT  _gx_circular_gauge_needle_rotate_callback(VOID *gauge)
116 {
117     return _gx_circular_gauge_needle_rotate((GX_CIRCULAR_GAUGE *)gauge);
118 }
119 
120