Draw the character of the ASCII code.
Dependents: mbed-os_Watson-IoT_ZXing_sample mbed-os_Watson-IoT_ZXing_sample MovPlayer GR-PEACH_HVC-P2_sample_client ... more
Fork of AsciiFont by
AsciiFont
This is a library to draw the ASCII font characters.
Example
#include "mbed.h" #include "AsciiFont.h" #define WIDTH (12) #define HEIGHT (16) #define BYTE_PER_PIXEL (1u) #define STRIDE (((WIDTH * BYTE_PER_PIXEL) + 7u) & ~7u) //multiple of 8 uint8_t text_field[STRIDE * HEIGHT]; //for debug void print_text_field() { int idx = 0; for (int i = 0; i < HEIGHT; i++) { for (int j = 0; j < STRIDE; j++) { printf("%02x", text_field[idx++]); } printf("\r\n"); } printf("\r\n"); } int main() { AsciiFont ascii_font(text_field, WIDTH, HEIGHT, STRIDE, BYTE_PER_PIXEL); ascii_font.Erase(0xcc); ascii_font.DrawStr("AB", 0, 0, 0x11, 1); ascii_font.DrawChar('C', AsciiFont::CHAR_PIX_WIDTH, AsciiFont::CHAR_PIX_HEIGHT, 0x22, 1); print_text_field(); //debug print ascii_font.Erase(); ascii_font.DrawStr("D", 0, 0, 0xef, 2); print_text_field(); //debug print ascii_font.Erase(0x11, 6, 0, 6, 8); print_text_field(); //debug print }
API
Import library
Public Member Functions |
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AsciiFont (uint8_t *p_buf, int width, int height, int stride, int byte_per_pixel, uint32_t const colour=0) | |
Constructor: Initializes
AsciiFont
.
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void | Erase () |
Erase text field.
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void | Erase (uint32_t const colour) |
Erase text field.
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void | Erase (uint32_t const colour, int x, int y, int width, int height) |
Erase text field.
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int | DrawStr (char *str, int x, int y, uint32_t const colour, int font_size=1, uint16_t const max_char_num=0xffff) |
Draw a string.
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bool | DrawChar (char c, int x, int y, uint32_t const colour, int font_size=1) |
Draw a character.
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Static Public Attributes |
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static const int | CHAR_PIX_WIDTH = 6 |
The pixel width of a character.
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static const int | CHAR_PIX_HEIGHT = 8 |
The pixel height of a character.
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ascii.c@5:1eaa4942db53, 2017-03-07 (annotated)
- Committer:
- dkato
- Date:
- Tue Mar 07 05:04:28 2017 +0000
- Revision:
- 5:1eaa4942db53
- Parent:
- 1:fc1b3db025d6
Added range check to Erase function.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
dkato | 0:99222c303e8f | 1 | /******************************************************************************* |
dkato | 0:99222c303e8f | 2 | * DISCLAIMER |
dkato | 0:99222c303e8f | 3 | * This software is supplied by Renesas Electronics Corporation and is only |
dkato | 0:99222c303e8f | 4 | * intended for use with Renesas products. No other uses are authorized. This |
dkato | 0:99222c303e8f | 5 | * software is owned by Renesas Electronics Corporation and is protected under |
dkato | 0:99222c303e8f | 6 | * all applicable laws, including copyright laws. |
dkato | 0:99222c303e8f | 7 | * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING |
dkato | 0:99222c303e8f | 8 | * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT |
dkato | 0:99222c303e8f | 9 | * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE |
dkato | 0:99222c303e8f | 10 | * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. |
dkato | 0:99222c303e8f | 11 | * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS |
dkato | 0:99222c303e8f | 12 | * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE |
dkato | 0:99222c303e8f | 13 | * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR |
dkato | 0:99222c303e8f | 14 | * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE |
dkato | 0:99222c303e8f | 15 | * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. |
dkato | 0:99222c303e8f | 16 | * Renesas reserves the right, without notice, to make changes to this software |
dkato | 0:99222c303e8f | 17 | * and to discontinue the availability of this software. By using this software, |
dkato | 0:99222c303e8f | 18 | * you agree to the additional terms and conditions found by accessing the |
dkato | 0:99222c303e8f | 19 | * following link: |
dkato | 0:99222c303e8f | 20 | * http://www.renesas.com/disclaimer |
dkato | 0:99222c303e8f | 21 | * |
dkato | 1:fc1b3db025d6 | 22 | * Copyright (C) 2014 Renesas Electronics Corporation. All rights reserved. |
dkato | 0:99222c303e8f | 23 | *******************************************************************************/ |
dkato | 0:99222c303e8f | 24 | /******************************************************************************* |
dkato | 0:99222c303e8f | 25 | * File Name : ascii.c |
dkato | 1:fc1b3db025d6 | 26 | * Device(s) : RZ/A1H (R7S721001) |
dkato | 1:fc1b3db025d6 | 27 | * Tool-Chain : GNUARM-NONEv14.02-EABI |
dkato | 0:99222c303e8f | 28 | * H/W Platform : RSK+RZA1H CPU Board |
dkato | 0:99222c303e8f | 29 | * Description : Defines ascii font table |
dkato | 0:99222c303e8f | 30 | *******************************************************************************/ |
dkato | 0:99222c303e8f | 31 | /******************************************************************************* |
dkato | 0:99222c303e8f | 32 | * History : DD.MM.YYYY Version Description |
dkato | 1:fc1b3db025d6 | 33 | * : 21.10.2014 1.00 |
dkato | 0:99222c303e8f | 34 | *******************************************************************************/ |
dkato | 1:fc1b3db025d6 | 35 | |
dkato | 0:99222c303e8f | 36 | /******************************************************************************* |
dkato | 0:99222c303e8f | 37 | * User Includes (Project Level Includes) |
dkato | 0:99222c303e8f | 38 | *******************************************************************************/ |
dkato | 1:fc1b3db025d6 | 39 | /* ASCII header */ |
dkato | 0:99222c303e8f | 40 | #include "ascii.h" |
dkato | 0:99222c303e8f | 41 | |
dkato | 0:99222c303e8f | 42 | /******************************************************************************* |
dkato | 0:99222c303e8f | 43 | * Global Tables |
dkato | 0:99222c303e8f | 44 | *******************************************************************************/ |
dkato | 1:fc1b3db025d6 | 45 | /* Bytes after this pre-processor are 1-byte aligned */ |
dkato | 0:99222c303e8f | 46 | #pragma pack(1) |
dkato | 0:99222c303e8f | 47 | |
dkato | 1:fc1b3db025d6 | 48 | const char g_ascii_table[][6] = |
dkato | 0:99222c303e8f | 49 | { |
dkato | 0:99222c303e8f | 50 | { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}, /* ' '*/ |
dkato | 0:99222c303e8f | 51 | { 0x00, 0x00, 0x79, 0x00, 0x00, 0x00}, /* ! */ |
dkato | 0:99222c303e8f | 52 | { 0x00, 0x70, 0x00, 0x70, 0x00, 0x00}, /* " */ |
dkato | 0:99222c303e8f | 53 | { 0x22, 0x7F, 0x22, 0x7F, 0x22, 0x00}, /* # */ |
dkato | 0:99222c303e8f | 54 | { 0x12, 0x2A, 0x7F, 0x2A, 0x24, 0x00}, /* $ */ |
dkato | 0:99222c303e8f | 55 | { 0x62, 0x64, 0x08, 0x13, 0x23, 0x00}, /* % */ |
dkato | 0:99222c303e8f | 56 | { 0x36, 0x49, 0x55, 0x22, 0x05, 0x00}, /* & */ |
dkato | 0:99222c303e8f | 57 | { 0x00, 0x00, 0x60, 0x00, 0x00, 0x00}, /* ' */ |
dkato | 0:99222c303e8f | 58 | { 0x00, 0x1C, 0x22, 0x41, 0x00, 0x00}, /* ( */ |
dkato | 0:99222c303e8f | 59 | { 0x00, 0x41, 0x22, 0x1C, 0x00, 0x00}, /* ) */ |
dkato | 0:99222c303e8f | 60 | { 0x24, 0x18, 0x7E, 0x18, 0x24, 0x00}, /* * */ |
dkato | 0:99222c303e8f | 61 | { 0x08, 0x08, 0x3E, 0x08, 0x08, 0x00}, /* + */ |
dkato | 0:99222c303e8f | 62 | { 0x00, 0x05, 0x06, 0x00, 0x00, 0x00}, /* , */ |
dkato | 0:99222c303e8f | 63 | { 0x08, 0x08, 0x08, 0x08, 0x08, 0x00}, /* - */ |
dkato | 0:99222c303e8f | 64 | { 0x00, 0x03, 0x03, 0x00, 0x00, 0x00}, /* . */ |
dkato | 0:99222c303e8f | 65 | { 0x02, 0x04, 0x08, 0x10, 0x20, 0x00}, /* / */ |
dkato | 0:99222c303e8f | 66 | { 0x3E, 0x45, 0x49, 0x51, 0x3E, 0x00}, /* 0 */ |
dkato | 0:99222c303e8f | 67 | { 0x00, 0x21, 0x7F, 0x01, 0x00, 0x00}, /* 1 */ |
dkato | 0:99222c303e8f | 68 | { 0x21, 0x43, 0x45, 0x49, 0x71, 0x00}, /* 2 */ |
dkato | 0:99222c303e8f | 69 | { 0x42, 0x41, 0x51, 0x69, 0x46, 0x00}, /* 3 */ |
dkato | 0:99222c303e8f | 70 | { 0x0C, 0x14, 0x24, 0x7F, 0x04, 0x00}, /* 4 */ |
dkato | 0:99222c303e8f | 71 | { 0x72, 0x51, 0x51, 0x51, 0x4E, 0x00}, /* 5 */ |
dkato | 0:99222c303e8f | 72 | { 0x1E, 0x29, 0x49, 0x49, 0x06, 0x00}, /* 6 */ |
dkato | 0:99222c303e8f | 73 | { 0x40, 0x47, 0x48, 0x50, 0x60, 0x00}, /* 7 */ |
dkato | 0:99222c303e8f | 74 | { 0x36, 0x49, 0x49, 0x49, 0x36, 0x00}, /* 8 */ |
dkato | 0:99222c303e8f | 75 | { 0x30, 0x49, 0x49, 0x4A, 0x3C, 0x00}, /* 9 */ |
dkato | 0:99222c303e8f | 76 | { 0x00, 0x66, 0x66, 0x00, 0x00, 0x00}, /* : */ |
dkato | 0:99222c303e8f | 77 | { 0x00, 0x35, 0x36, 0x00, 0x00, 0x00}, /* ; */ |
dkato | 0:99222c303e8f | 78 | { 0x08, 0x14, 0x22, 0x41, 0x00, 0x00}, /* < */ |
dkato | 0:99222c303e8f | 79 | { 0x14, 0x14, 0x14, 0x14, 0x14, 0x00}, /* = */ |
dkato | 0:99222c303e8f | 80 | { 0x00, 0x41, 0x22, 0x14, 0x08, 0x00}, /* > */ |
dkato | 0:99222c303e8f | 81 | { 0x20, 0x40, 0x45, 0x48, 0x30, 0x00}, /* ? */ |
dkato | 0:99222c303e8f | 82 | { 0x38, 0x45, 0x5D, 0x59, 0x3E, 0x00}, /* @ */ |
dkato | 0:99222c303e8f | 83 | { 0x1F, 0x24, 0x44, 0x24, 0x1F, 0x00}, /* A */ |
dkato | 0:99222c303e8f | 84 | { 0x7F, 0x49, 0x49, 0x49, 0x36, 0x00}, /* B */ |
dkato | 0:99222c303e8f | 85 | { 0x3E, 0x41, 0x41, 0x41, 0x22, 0x00}, /* C */ |
dkato | 0:99222c303e8f | 86 | { 0x7F, 0x41, 0x41, 0x22, 0x1C, 0x00}, /* D */ |
dkato | 0:99222c303e8f | 87 | { 0x7F, 0x49, 0x49, 0x49, 0x41, 0x00}, /* E */ |
dkato | 0:99222c303e8f | 88 | { 0x7F, 0x48, 0x48, 0x48, 0x40, 0x00}, /* F */ |
dkato | 0:99222c303e8f | 89 | { 0x3E, 0x41, 0x49, 0x49, 0x2F, 0x00}, /* G */ |
dkato | 0:99222c303e8f | 90 | { 0x7F, 0x08, 0x08, 0x08, 0x7F, 0x00}, /* H */ |
dkato | 0:99222c303e8f | 91 | { 0x00, 0x41, 0x7F, 0x41, 0x00, 0x00}, /* I */ |
dkato | 0:99222c303e8f | 92 | { 0x02, 0x01, 0x41, 0x7E, 0x40, 0x00}, /* J */ |
dkato | 0:99222c303e8f | 93 | { 0x7F, 0x08, 0x14, 0x22, 0x41, 0x00}, /* K */ |
dkato | 0:99222c303e8f | 94 | { 0x7F, 0x01, 0x01, 0x01, 0x01, 0x00}, /* L */ |
dkato | 0:99222c303e8f | 95 | { 0x7F, 0x20, 0x18, 0x20, 0x7F, 0x00}, /* M */ |
dkato | 0:99222c303e8f | 96 | { 0x7F, 0x10, 0x08, 0x04, 0x7F, 0x00}, /* N */ |
dkato | 0:99222c303e8f | 97 | { 0x3E, 0x41, 0x41, 0x41, 0x3E, 0x00}, /* O */ |
dkato | 0:99222c303e8f | 98 | { 0x7F, 0x48, 0x48, 0x48, 0x30, 0x00}, /* P */ |
dkato | 0:99222c303e8f | 99 | { 0x3E, 0x41, 0x45, 0x42, 0x3D, 0x00}, /* Q */ |
dkato | 0:99222c303e8f | 100 | { 0x7F, 0x48, 0x4C, 0x4A, 0x31, 0x00}, /* R */ |
dkato | 0:99222c303e8f | 101 | { 0x32, 0x49, 0x49, 0x49, 0x26, 0x00}, /* S */ |
dkato | 0:99222c303e8f | 102 | { 0x40, 0x40, 0x7F, 0x40, 0x40, 0x00}, /* T */ |
dkato | 0:99222c303e8f | 103 | { 0x7E, 0x01, 0x01, 0x01, 0x7E, 0x00}, /* U */ |
dkato | 0:99222c303e8f | 104 | { 0x7C, 0x02, 0x01, 0x02, 0x7C, 0x00}, /* V */ |
dkato | 0:99222c303e8f | 105 | { 0x7E, 0x01, 0x0E, 0x01, 0x7E, 0x00}, /* W */ |
dkato | 0:99222c303e8f | 106 | { 0x63, 0x14, 0x08, 0x14, 0x63, 0x00}, /* X */ |
dkato | 0:99222c303e8f | 107 | { 0x70, 0x08, 0x07, 0x08, 0x70, 0x00}, /* Y */ |
dkato | 0:99222c303e8f | 108 | { 0x43, 0x45, 0x49, 0x51, 0x61, 0x00}, /* Z */ |
dkato | 0:99222c303e8f | 109 | { 0x00, 0x7F, 0x41, 0x00, 0x00, 0x00}, /* [ */ |
dkato | 0:99222c303e8f | 110 | { 0x20, 0x10, 0x08, 0x04, 0x02, 0x00}, /* "\" */ |
dkato | 0:99222c303e8f | 111 | { 0x00, 0x00, 0x41, 0x7F, 0x00, 0x00}, /* ] */ |
dkato | 0:99222c303e8f | 112 | { 0x00, 0x20, 0x40, 0x20, 0x00, 0x00}, /* ^ */ |
dkato | 0:99222c303e8f | 113 | { 0x01, 0x01, 0x01, 0x01, 0x01, 0x00}, /* _ */ |
dkato | 0:99222c303e8f | 114 | { 0x00, 0x40, 0x20, 0x00, 0x00, 0x00}, /* ' */ |
dkato | 0:99222c303e8f | 115 | { 0x02, 0x15, 0x15, 0x0F, 0x01, 0x00}, /* a */ |
dkato | 0:99222c303e8f | 116 | { 0x00, 0x7F, 0x11, 0x11, 0x0E, 0x00}, /* b */ |
dkato | 0:99222c303e8f | 117 | { 0x00, 0x0E, 0x11, 0x11, 0x11, 0x00}, /* c */ |
dkato | 0:99222c303e8f | 118 | { 0x0E, 0x11, 0x11, 0x7F, 0x00, 0x00}, /* d */ |
dkato | 0:99222c303e8f | 119 | { 0x0E, 0x15, 0x15, 0x15, 0x0C, 0x00}, /* e */ |
dkato | 0:99222c303e8f | 120 | { 0x00, 0x10, 0x3F, 0x50, 0x50, 0x00}, /* f */ |
dkato | 0:99222c303e8f | 121 | { 0x08, 0x15, 0x15, 0x15, 0x1E, 0x00}, /* g */ |
dkato | 0:99222c303e8f | 122 | { 0x00, 0x7F, 0x10, 0x10, 0x0F, 0x00}, /* h */ |
dkato | 0:99222c303e8f | 123 | { 0x00, 0x11, 0x5F, 0x01, 0x00, 0x00}, /* i */ |
dkato | 0:99222c303e8f | 124 | { 0x02, 0x01, 0x01, 0x5E, 0x00, 0x00}, /* j */ |
dkato | 0:99222c303e8f | 125 | { 0x00, 0x7F, 0x04, 0x0A, 0x11, 0x00}, /* k */ |
dkato | 0:99222c303e8f | 126 | { 0x00, 0x41, 0x7F, 0x01, 0x00, 0x00}, /* l */ |
dkato | 0:99222c303e8f | 127 | { 0x1F, 0x10, 0x0F, 0x10, 0x0F, 0x00}, /* m */ |
dkato | 0:99222c303e8f | 128 | { 0x00, 0x1F, 0x10, 0x10, 0x0F, 0x00}, /* n */ |
dkato | 0:99222c303e8f | 129 | { 0x0E, 0x11, 0x11, 0x11, 0x0E, 0x00}, /* 0 */ |
dkato | 0:99222c303e8f | 130 | { 0x1F, 0x14, 0x14, 0x14, 0x08, 0x00}, /* p */ |
dkato | 0:99222c303e8f | 131 | { 0x08, 0x14, 0x14, 0x14, 0x1F, 0x00}, /* q */ |
dkato | 0:99222c303e8f | 132 | { 0x00, 0x1F, 0x08, 0x10, 0x10, 0x00}, /* r */ |
dkato | 0:99222c303e8f | 133 | { 0x09, 0x15, 0x15, 0x15, 0x12, 0x00}, /* s */ |
dkato | 0:99222c303e8f | 134 | { 0x00, 0x10, 0x7E, 0x11, 0x01, 0x00}, /* t */ |
dkato | 0:99222c303e8f | 135 | { 0x00, 0x1E, 0x01, 0x01, 0x1F, 0x00}, /* u */ |
dkato | 0:99222c303e8f | 136 | { 0x1C, 0x02, 0x01, 0x02, 0x1C, 0x00}, /* v */ |
dkato | 0:99222c303e8f | 137 | { 0x1E, 0x01, 0x06, 0x01, 0x1E, 0x00}, /* w */ |
dkato | 0:99222c303e8f | 138 | { 0x11, 0x0A, 0x04, 0x0A, 0x11, 0x00}, /* x */ |
dkato | 0:99222c303e8f | 139 | { 0x18, 0x05, 0x05, 0x1E, 0x00, 0x00}, /* y */ |
dkato | 0:99222c303e8f | 140 | { 0x11, 0x13, 0x15, 0x19, 0x11, 0x00}, /* z */ |
dkato | 0:99222c303e8f | 141 | { 0x00, 0x08, 0x36, 0x41, 0x00, 0x00}, /* { */ |
dkato | 0:99222c303e8f | 142 | { 0x00, 0x00, 0x7F, 0x00, 0x00, 0x00}, /* | */ |
dkato | 0:99222c303e8f | 143 | { 0x00, 0x41, 0x36, 0x08, 0x00, 0x00}, /* } */ |
dkato | 0:99222c303e8f | 144 | { 0x00, 0x20, 0x40, 0x20, 0x40, 0x00} /* ~ */ |
dkato | 0:99222c303e8f | 145 | }; |
dkato | 0:99222c303e8f | 146 | |
dkato | 1:fc1b3db025d6 | 147 | /* Bytes after this pre-processor are 4-byte aligned */ |
dkato | 0:99222c303e8f | 148 | #pragma pack(4) |
dkato | 0:99222c303e8f | 149 |