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 /**   Line Chart Management (Line Chart)                                  */
18 /**                                                                       */
19 /**************************************************************************/
20 
21 #define GX_SOURCE_CODE
22 
23 
24 /* Include necessary system files.  */
25 
26 #include "gx_api.h"
27 #include "gx_context.h"
28 #include "gx_canvas.h"
29 #include "gx_window.h"
30 #include "gx_line_chart.h"
31 
32 
33 
34 /**************************************************************************/
35 /*                                                                        */
36 /*  FUNCTION                                               RELEASE        */
37 /*                                                                        */
38 /*    _gx_line_chart_axis_draw                            PORTABLE C      */
39 /*                                                           6.1          */
40 /*  AUTHOR                                                                */
41 /*                                                                        */
42 /*    Kenneth Maxwell, Microsoft Corporation                              */
43 /*                                                                        */
44 /*  DESCRIPTION                                                           */
45 /*                                                                        */
46 /*    This function draws the x,y chart axis of a line chart              */
47 /*                                                                        */
48 /*  INPUT                                                                 */
49 /*                                                                        */
50 /*    chart                                 Line chart                    */
51 /*                                                                        */
52 /*  OUTPUT                                                                */
53 /*                                                                        */
54 /*    None                                                                */
55 /*                                                                        */
56 /*  CALLS                                                                 */
57 /*                                                                        */
58 /*    _gx_context_brush_define                                            */
59 /*    _gx_context_brush_width_set                                         */
60 /*    _gx_canvas_line_draw                                                */
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_line_chart_axis_draw(GX_LINE_CHART * chart)75 VOID _gx_line_chart_axis_draw(GX_LINE_CHART *chart)
76 {
77 GX_VALUE            center;
78 GX_LINE_CHART_INFO *chart_info;
79 
80     chart_info = &chart -> gx_line_chart_info;
81 
82     _gx_context_brush_define(chart_info -> gx_line_chart_axis_color, chart_info -> gx_line_chart_axis_color, 0);
83     _gx_context_brush_width_set((UINT)(chart_info -> gx_line_chart_axis_line_width));
84 
85     /* draw the Y axis on the left side */
86     center = (GX_VALUE)(chart -> gx_widget_size.gx_rectangle_left + chart_info -> gx_line_chart_left_margin + (chart_info -> gx_line_chart_axis_line_width / 2));
87     _gx_canvas_line_draw(center,
88                          (GX_VALUE)(chart -> gx_widget_size.gx_rectangle_top + chart_info -> gx_line_chart_top_margin),
89                          center,
90                          (GX_VALUE)(chart -> gx_widget_size.gx_rectangle_bottom - chart_info -> gx_line_chart_bottom_margin - chart_info -> gx_line_chart_axis_line_width + (GX_VALUE)1));
91 
92     /* draw the X axis along the bottom */
93     center = (GX_VALUE)(chart -> gx_widget_size.gx_rectangle_bottom - chart_info -> gx_line_chart_bottom_margin - (chart_info -> gx_line_chart_axis_line_width / 2));
94     _gx_canvas_line_draw((GX_VALUE)(chart -> gx_widget_size.gx_rectangle_left + chart_info -> gx_line_chart_left_margin),
95                          center,
96                          (GX_VALUE)(chart -> gx_widget_size.gx_rectangle_right - chart_info -> gx_line_chart_right_margin),
97                          center);
98 }
99 
100