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 /** Display Management (Display) */
18 /** */
19 /**************************************************************************/
20
21 #define GX_SOURCE_CODE
22
23
24 /* Include necessary system files. */
25
26 #include "gx_api.h"
27 #include "gx_display.h"
28
29 /**************************************************************************/
30 /* */
31 /* FUNCTION RELEASE */
32 /* */
33 /* _gx_display_driver_32bpp_pixel_write PORTABLE C */
34 /* 6.1 */
35 /* AUTHOR */
36 /* */
37 /* Kenneth Maxwell, Microsoft Corporation */
38 /* */
39 /* DESCRIPTION */
40 /* */
41 /* Generic 32bpp color format pixel write function. */
42 /* */
43 /* INPUT */
44 /* */
45 /* context Drawing context */
46 /* x X coordinate */
47 /* y Y coordinate */
48 /* color Color of pixel to write */
49 /* */
50 /* OUTPUT */
51 /* */
52 /* None */
53 /* */
54 /* CALLS */
55 /* */
56 /* None */
57 /* */
58 /* CALLED BY */
59 /* */
60 /* GUIX Internal Code */
61 /* */
62 /* RELEASE HISTORY */
63 /* */
64 /* DATE NAME DESCRIPTION */
65 /* */
66 /* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */
67 /* 09-30-2020 Kenneth Maxwell Modified comment(s), */
68 /* resulting in version 6.1 */
69 /* */
70 /**************************************************************************/
_gx_display_driver_32bpp_pixel_write(GX_DRAW_CONTEXT * context,INT x,INT y,GX_COLOR color)71 VOID _gx_display_driver_32bpp_pixel_write(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color)
72 {
73 ULONG *put = (ULONG *)context -> gx_draw_context_memory;
74
75 /* calculate address of scan line */
76 put += context -> gx_draw_context_pitch * y;
77
78 /* step in by x coordinate */
79 put += x;
80
81 /* write the pixel value */
82 *put = (ULONG)color;
83 }
84
85
