1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* Copyright (c) 2026-present Eclipse ThreadX contributors |
4 |
|
|
* |
5 |
|
|
* This program and the accompanying materials are made available under the |
6 |
|
|
* terms of the MIT License which is available at |
7 |
|
|
* https://opensource.org/licenses/MIT. |
8 |
|
|
* |
9 |
|
|
* SPDX-License-Identifier: MIT |
10 |
|
|
**************************************************************************/ |
11 |
|
|
|
12 |
|
|
|
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/**************************************************************************/ |
15 |
|
|
/** */ |
16 |
|
|
/** GUIX Component */ |
17 |
|
|
/** */ |
18 |
|
|
/** Display Management (Display) */ |
19 |
|
|
/** */ |
20 |
|
|
/**************************************************************************/ |
21 |
|
|
|
22 |
|
|
#define GX_SOURCE_CODE |
23 |
|
|
|
24 |
|
|
|
25 |
|
|
/* Include necessary system files. */ |
26 |
|
|
|
27 |
|
|
#include "gx_api.h" |
28 |
|
|
#include "gx_display.h" |
29 |
|
|
|
30 |
|
|
|
31 |
|
|
/**************************************************************************/ |
32 |
|
|
/* */ |
33 |
|
|
/* FUNCTION RELEASE */ |
34 |
|
|
/* */ |
35 |
|
|
/* _gx_display_driver_8bpp_horizontal_pattern_line_draw */ |
36 |
|
|
/* PORTABLE C */ |
37 |
|
|
/* 6.1 */ |
38 |
|
|
/* AUTHOR */ |
39 |
|
|
/* */ |
40 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
41 |
|
|
/* */ |
42 |
|
|
/* DESCRIPTION */ |
43 |
|
|
/* */ |
44 |
|
|
/* Generic 8bpp color format horizontal pattern line draw function. */ |
45 |
|
|
/* */ |
46 |
|
|
/* INPUT */ |
47 |
|
|
/* */ |
48 |
|
|
/* context Drawing context */ |
49 |
|
|
/* xstart x-coord of left endpoint */ |
50 |
|
|
/* xend x-coord of right endpoint */ |
51 |
|
|
/* ypos y-coord of line top */ |
52 |
|
|
/* */ |
53 |
|
|
/* OUTPUT */ |
54 |
|
|
/* */ |
55 |
|
|
/* None */ |
56 |
|
|
/* */ |
57 |
|
|
/* CALLS */ |
58 |
|
|
/* */ |
59 |
|
|
/* None */ |
60 |
|
|
/* */ |
61 |
|
|
/* CALLED BY */ |
62 |
|
|
/* */ |
63 |
|
|
/* GUIX Internal Code */ |
64 |
|
|
/* */ |
65 |
|
|
/**************************************************************************/ |
66 |
|
18 |
VOID _gx_display_driver_8bpp_horizontal_pattern_line_draw(GX_DRAW_CONTEXT *context, INT xstart, INT xend, INT ypos) |
67 |
|
|
{ |
68 |
|
|
INT column; |
69 |
|
|
GX_UBYTE *put; |
70 |
|
|
GX_UBYTE *rowstart; |
71 |
|
|
ULONG pattern; |
72 |
|
|
ULONG mask; |
73 |
|
|
GX_UBYTE on_color; |
74 |
|
|
GX_UBYTE off_color; |
75 |
|
|
|
76 |
|
18 |
INT len = xend - xstart + 1; |
77 |
|
|
|
78 |
|
|
/* pick up start address of canvas memory */ |
79 |
|
18 |
rowstart = (GX_UBYTE *)context -> gx_draw_context_memory; |
80 |
|
|
|
81 |
|
|
/* calculate start of row address */ |
82 |
|
18 |
rowstart += context -> gx_draw_context_pitch * ypos; |
83 |
|
|
|
84 |
|
|
/* calculate pixel address */ |
85 |
|
18 |
rowstart += xstart; |
86 |
|
|
/* draw 1-pixel hi lines to fill width */ |
87 |
|
|
|
88 |
|
|
/* pick up the requested pattern and mask */ |
89 |
|
18 |
pattern = context -> gx_draw_context_brush.gx_brush_line_pattern; |
90 |
|
18 |
mask = context -> gx_draw_context_brush.gx_brush_pattern_mask; |
91 |
|
18 |
on_color = (GX_UBYTE)context -> gx_draw_context_brush.gx_brush_line_color; |
92 |
|
18 |
off_color = (GX_UBYTE)context -> gx_draw_context_brush.gx_brush_fill_color; |
93 |
|
|
|
94 |
|
18 |
put = rowstart; |
95 |
|
|
|
96 |
|
|
/* draw one line, left to right */ |
97 |
✓✓ |
2924 |
for (column = 0; column < len; column++) |
98 |
|
|
{ |
99 |
✓✓ |
2906 |
if (pattern & mask) |
100 |
|
|
{ |
101 |
|
1440 |
*put++ = on_color; |
102 |
|
|
} |
103 |
|
|
else |
104 |
|
|
{ |
105 |
|
1466 |
*put++ = off_color; |
106 |
|
|
} |
107 |
|
2906 |
mask >>= 1; |
108 |
✓✓ |
2906 |
if (!mask) |
109 |
|
|
{ |
110 |
|
102 |
mask = 0x80000000; |
111 |
|
|
} |
112 |
|
|
} |
113 |
|
|
|
114 |
|
|
/* save current masks value back to brush */ |
115 |
|
18 |
context -> gx_draw_context_brush.gx_brush_pattern_mask = mask; |
116 |
|
18 |
} |
117 |
|
|
|