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 /** Canvas Management (Canvas) */
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_window.h"
30 #include "gx_canvas.h"
31
32
33 /**************************************************************************/
34 /* */
35 /* FUNCTION RELEASE */
36 /* */
37 /* _gx_canvas_shift PORTABLE C */
38 /* 6.1 */
39 /* AUTHOR */
40 /* */
41 /* Kenneth Maxwell, Microsoft Corporation */
42 /* */
43 /* DESCRIPTION */
44 /* */
45 /* This function moves the canvas associated with a root window */
46 /* */
47 /* INPUT */
48 /* */
49 /* canvas Canvas control block */
50 /* x x-axis shift amount in pixels */
51 /* y y-axis shift amount in pixels */
52 /* */
53 /* OUTPUT */
54 /* */
55 /* status Completion status */
56 /* */
57 /* CALLS */
58 /* */
59 /* gx_canvas_offset_set Set the canvas offset */
60 /* */
61 /* CALLED BY */
62 /* */
63 /* _gx_window_root_event_process */
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_canvas_shift(GX_CANVAS * canvas,GX_VALUE x,GX_VALUE y)74 UINT _gx_canvas_shift(GX_CANVAS *canvas, GX_VALUE x, GX_VALUE y)
75 {
76 GX_VALUE xpos;
77 GX_VALUE ypos;
78
79 xpos = (GX_VALUE)(canvas -> gx_canvas_display_offset_x + x);
80 ypos = (GX_VALUE)(canvas -> gx_canvas_display_offset_y + y);
81
82 return(_gx_canvas_offset_set(canvas, xpos, ypos));
83 }
84
85
