source: mainline/uspace/lib/congfx/private/console.h@ d6c4d40

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since d6c4d40 was 68a552f, checked in by Jiri Svoboda <jiri@…>, 5 years ago

Efficient way of rendering to the console via shared buffer

Makes congfx reasonably fast

  • Property mode set to 100644
File size: 2.6 KB
Line 
1/*
2 * Copyright (c) 2021 Jiri Svoboda
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup libcongfx
30 * @{
31 */
32/**
33 * @file GFX console backend structure
34 *
35 */
36
37#ifndef _CONGFX_PRIVATE_CONSOLE_H
38#define _CONGFX_PRIVATE_CONSOLE_H
39
40#include <gfx/context.h>
41#include <io/charfield.h>
42#include <io/console.h>
43#include <io/pixel.h>
44#include <stdio.h>
45
46/** Actual structure of graphics context.
47 *
48 * This is private to libcongfx. It is not visible to clients nor backends.
49 */
50struct console_gc {
51 /** Base graphic context */
52 gfx_context_t *gc;
53 /** Console control structure */
54 console_ctrl_t *con;
55 /** Console bounding rectangle */
56 gfx_rect_t rect;
57 /** File for printing characters */
58 FILE *fout;
59 /** Current drawing color */
60 pixel_t clr;
61 /** Shared console buffer */
62 charfield_t *buf;
63};
64
65/** Bitmap in console GC */
66typedef struct {
67 /** Containing console GC */
68 struct console_gc *cgc;
69 /** Allocation info */
70 gfx_bitmap_alloc_t alloc;
71 /** @c true if we allocated the bitmap, @c false if allocated by caller */
72 bool myalloc;
73 /** Rectangle covered by bitmap */
74 gfx_rect_t rect;
75 /** Bitmap flags */
76 gfx_bitmap_flags_t flags;
77 /** Key color */
78 pixel_t key_color;
79} console_gc_bitmap_t;
80
81#endif
82
83/** @}
84 */
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