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 |
|
|
#define GX_SOURCE_CODE |
21 |
|
|
/* Include necessary system files. */ |
22 |
|
|
|
23 |
|
|
#include "gx_api.h" |
24 |
|
|
#include "gx_display.h" |
25 |
|
|
|
26 |
|
|
/**************************************************************************/ |
27 |
|
|
/* */ |
28 |
|
|
/* FUNCTION RELEASE */ |
29 |
|
|
/* */ |
30 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_line_draw */ |
31 |
|
|
/* PORTABLE C */ |
32 |
|
|
/* 6.1.4 */ |
33 |
|
|
/* AUTHOR */ |
34 |
|
|
/* */ |
35 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
36 |
|
|
/* */ |
37 |
|
|
/* DESCRIPTION */ |
38 |
|
|
/* */ |
39 |
|
|
/* Generic 8bpp color format rotated horizontal line draw function. */ |
40 |
|
|
/* */ |
41 |
|
|
/* INPUT */ |
42 |
|
|
/* */ |
43 |
|
|
/* context Drawing context */ |
44 |
|
|
/* xstart x-coord of left endpoint */ |
45 |
|
|
/* xend x-coord of right endpoint */ |
46 |
|
|
/* ypos y-coord of line top */ |
47 |
|
|
/* width Width (height) of the line */ |
48 |
|
|
/* color Color of line 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 |
|
|
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */ |
67 |
|
|
/* */ |
68 |
|
|
/**************************************************************************/ |
69 |
|
175073 |
VOID _gx_display_driver_8bpp_rotated_horizontal_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos, INT width, GX_COLOR color) |
70 |
|
|
{ |
71 |
|
|
INT row; |
72 |
|
|
INT column; |
73 |
|
|
GX_UBYTE *put; |
74 |
|
|
GX_UBYTE *rowstart; |
75 |
|
175073 |
INT len = xend - xstart + 1; |
76 |
|
|
|
77 |
|
|
/* Pick up start address of canvas memory. */ |
78 |
|
175073 |
rowstart = (GX_UBYTE *)context -> gx_draw_context_memory; |
79 |
|
|
|
80 |
|
|
/* Calculate start of row address. */ |
81 |
✓✓ |
175073 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
82 |
|
|
{ |
83 |
|
89706 |
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_x_resolution - xstart - 1) * context -> gx_draw_context_pitch; |
84 |
|
89706 |
rowstart += ypos; |
85 |
|
|
} |
86 |
|
|
else |
87 |
|
|
{ |
88 |
|
85367 |
rowstart += xend * context -> gx_draw_context_pitch; |
89 |
|
85367 |
rowstart += (context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ypos - width); |
90 |
|
|
} |
91 |
|
|
|
92 |
|
|
/* Draw one line, left to right. */ |
93 |
✓✓ |
21327126 |
for (column = 0; column < len; column++) |
94 |
|
|
{ |
95 |
|
21152053 |
put = rowstart; |
96 |
|
|
|
97 |
|
|
/* Draw pixel to fill width. */ |
98 |
✓✓ |
2107279264 |
for (row = 0; row < width; row++) |
99 |
|
|
{ |
100 |
|
2086127211 |
*put++ = (GX_UBYTE)color; |
101 |
|
|
} |
102 |
|
21152053 |
rowstart -= context -> gx_draw_context_pitch; |
103 |
|
|
} |
104 |
|
175073 |
} |
105 |
|
|
|