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TFT_4DGL_Text.cpp@1:89b1a06c1828, 2010-12-26 (annotated)

Committer:
JLS
Date:
Sun Dec 26 20:26:09 2010 +0000
Revision:
1:89b1a06c1828
update

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JLS 1:89b1a06c1828 1 //
JLS 1:89b1a06c1828 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 1:89b1a06c1828 3 //
JLS 1:89b1a06c1828 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 1:89b1a06c1828 5 //
JLS 1:89b1a06c1828 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 1:89b1a06c1828 7 // it under the terms of the GNU General Public License as published by
JLS 1:89b1a06c1828 8 // the Free Software Foundation, either version 3 of the License, or
JLS 1:89b1a06c1828 9 // (at your option) any later version.
JLS 1:89b1a06c1828 10 //
JLS 1:89b1a06c1828 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 1:89b1a06c1828 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 1:89b1a06c1828 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 1:89b1a06c1828 14 // GNU General Public License for more details.
JLS 1:89b1a06c1828 15 //
JLS 1:89b1a06c1828 16 // You should have received a copy of the GNU General Public License
JLS 1:89b1a06c1828 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 1:89b1a06c1828 18
JLS 1:89b1a06c1828 19 #include "mbed.h"
JLS 1:89b1a06c1828 20 #include "TFT_4DGL.h"
JLS 1:89b1a06c1828 21
JLS 1:89b1a06c1828 22 //****************************************************************************************************
JLS 1:89b1a06c1828 23 void TFT_4DGL :: set_font(char mode) { // set font size
JLS 1:89b1a06c1828 24 char command[2]= "";
JLS 1:89b1a06c1828 25
JLS 1:89b1a06c1828 26 int w, h, fx = 8, fy = 8;
JLS 1:89b1a06c1828 27
JLS 1:89b1a06c1828 28 command[0] = SETFONT;
JLS 1:89b1a06c1828 29 command[1] = mode;
JLS 1:89b1a06c1828 30
JLS 1:89b1a06c1828 31 current_font = mode;
JLS 1:89b1a06c1828 32
JLS 1:89b1a06c1828 33 if (current_orientation == IS_PORTRAIT) {
JLS 1:89b1a06c1828 34 w = SIZE_X;
JLS 1:89b1a06c1828 35 h = SIZE_Y;
JLS 1:89b1a06c1828 36 } else {
JLS 1:89b1a06c1828 37 w = SIZE_Y;
JLS 1:89b1a06c1828 38 h = SIZE_X;
JLS 1:89b1a06c1828 39 }
JLS 1:89b1a06c1828 40
JLS 1:89b1a06c1828 41 switch (mode) {
JLS 1:89b1a06c1828 42 case FONT_5X7 :
JLS 1:89b1a06c1828 43 fx = 6;
JLS 1:89b1a06c1828 44 fy = 8;
JLS 1:89b1a06c1828 45 break;
JLS 1:89b1a06c1828 46 case FONT_8X8 :
JLS 1:89b1a06c1828 47 fx = 8;
JLS 1:89b1a06c1828 48 fy = 8;
JLS 1:89b1a06c1828 49 break;
JLS 1:89b1a06c1828 50 case FONT_8X12 :
JLS 1:89b1a06c1828 51 fx = 8;
JLS 1:89b1a06c1828 52 fy = 12;
JLS 1:89b1a06c1828 53 break;
JLS 1:89b1a06c1828 54 case FONT_12X16 :
JLS 1:89b1a06c1828 55 fx = 12;
JLS 1:89b1a06c1828 56 fy = 16;
JLS 1:89b1a06c1828 57 break;
JLS 1:89b1a06c1828 58 }
JLS 1:89b1a06c1828 59
JLS 1:89b1a06c1828 60 max_col = w / fx;
JLS 1:89b1a06c1828 61 max_row = h / fy;
JLS 1:89b1a06c1828 62
JLS 1:89b1a06c1828 63 writeCOMMAND(command, 2);
JLS 1:89b1a06c1828 64 }
JLS 1:89b1a06c1828 65
JLS 1:89b1a06c1828 66 //****************************************************************************************************
JLS 1:89b1a06c1828 67 void TFT_4DGL :: text_mode(char mode) { // set text mode
JLS 1:89b1a06c1828 68 char command[2]= "";
JLS 1:89b1a06c1828 69
JLS 1:89b1a06c1828 70 command[0] = TEXTMODE;
JLS 1:89b1a06c1828 71 command[1] = mode;
JLS 1:89b1a06c1828 72
JLS 1:89b1a06c1828 73 writeCOMMAND(command, 2);
JLS 1:89b1a06c1828 74 }
JLS 1:89b1a06c1828 75
JLS 1:89b1a06c1828 76 //****************************************************************************************************
JLS 1:89b1a06c1828 77 void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
JLS 1:89b1a06c1828 78 char command[6]= "";
JLS 1:89b1a06c1828 79
JLS 1:89b1a06c1828 80 command[0] = TEXTCHAR;
JLS 1:89b1a06c1828 81
JLS 1:89b1a06c1828 82 command[1] = c;
JLS 1:89b1a06c1828 83 command[2] = col;
JLS 1:89b1a06c1828 84 command[3] = row;
JLS 1:89b1a06c1828 85
JLS 1:89b1a06c1828 86 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:89b1a06c1828 87 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:89b1a06c1828 88 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:89b1a06c1828 89
JLS 1:89b1a06c1828 90 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:89b1a06c1828 91 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:89b1a06c1828 92
JLS 1:89b1a06c1828 93 writeCOMMAND(command, 8);
JLS 1:89b1a06c1828 94 }
JLS 1:89b1a06c1828 95
JLS 1:89b1a06c1828 96 //****************************************************************************************************
JLS 1:89b1a06c1828 97 void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
JLS 1:89b1a06c1828 98 char command[10]= "";
JLS 1:89b1a06c1828 99
JLS 1:89b1a06c1828 100 command[0] = GRAPHCHAR;
JLS 1:89b1a06c1828 101
JLS 1:89b1a06c1828 102 command[1] = c;
JLS 1:89b1a06c1828 103
JLS 1:89b1a06c1828 104 command[2] = (x >> 8) & 0xFF;
JLS 1:89b1a06c1828 105 command[3] = x & 0xFF;
JLS 1:89b1a06c1828 106
JLS 1:89b1a06c1828 107 command[4] = (y >> 8) & 0xFF;
JLS 1:89b1a06c1828 108 command[5] = y & 0xFF;
JLS 1:89b1a06c1828 109
JLS 1:89b1a06c1828 110 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:89b1a06c1828 111 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:89b1a06c1828 112 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:89b1a06c1828 113
JLS 1:89b1a06c1828 114 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:89b1a06c1828 115 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:89b1a06c1828 116
JLS 1:89b1a06c1828 117 command[8] = width;
JLS 1:89b1a06c1828 118
JLS 1:89b1a06c1828 119 command[9] = height;
JLS 1:89b1a06c1828 120
JLS 1:89b1a06c1828 121 writeCOMMAND(command, 10);
JLS 1:89b1a06c1828 122 }
JLS 1:89b1a06c1828 123
JLS 1:89b1a06c1828 124 //****************************************************************************************************
JLS 1:89b1a06c1828 125 void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
JLS 1:89b1a06c1828 126
JLS 1:89b1a06c1828 127 char command[1000]= "";
JLS 1:89b1a06c1828 128 int size = strlen(s);
JLS 1:89b1a06c1828 129 int i = 0;
JLS 1:89b1a06c1828 130
JLS 1:89b1a06c1828 131 command[0] = TEXTSTRING;
JLS 1:89b1a06c1828 132
JLS 1:89b1a06c1828 133 command[1] = col;
JLS 1:89b1a06c1828 134 command[2] = row;
JLS 1:89b1a06c1828 135
JLS 1:89b1a06c1828 136 command[3] = font;
JLS 1:89b1a06c1828 137
JLS 1:89b1a06c1828 138 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:89b1a06c1828 139 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:89b1a06c1828 140 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:89b1a06c1828 141
JLS 1:89b1a06c1828 142 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:89b1a06c1828 143 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:89b1a06c1828 144
JLS 1:89b1a06c1828 145 for (i=0; i<size; i++) command[6+i] = s[i];
JLS 1:89b1a06c1828 146
JLS 1:89b1a06c1828 147 command[6+size] = 0;
JLS 1:89b1a06c1828 148
JLS 1:89b1a06c1828 149 writeCOMMAND(command, 7 + size);
JLS 1:89b1a06c1828 150 }
JLS 1:89b1a06c1828 151
JLS 1:89b1a06c1828 152 //****************************************************************************************************
JLS 1:89b1a06c1828 153 void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string
JLS 1:89b1a06c1828 154
JLS 1:89b1a06c1828 155 char command[1000]= "";
JLS 1:89b1a06c1828 156 int size = strlen(s);
JLS 1:89b1a06c1828 157 int i = 0;
JLS 1:89b1a06c1828 158
JLS 1:89b1a06c1828 159 command[0] = GRAPHSTRING;
JLS 1:89b1a06c1828 160
JLS 1:89b1a06c1828 161 command[1] = (x >> 8) & 0xFF;
JLS 1:89b1a06c1828 162 command[2] = x & 0xFF;
JLS 1:89b1a06c1828 163
JLS 1:89b1a06c1828 164 command[3] = (y >> 8) & 0xFF;
JLS 1:89b1a06c1828 165 command[4] = y & 0xFF;
JLS 1:89b1a06c1828 166
JLS 1:89b1a06c1828 167 command[5] = font;
JLS 1:89b1a06c1828 168
JLS 1:89b1a06c1828 169 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:89b1a06c1828 170 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:89b1a06c1828 171 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:89b1a06c1828 172
JLS 1:89b1a06c1828 173 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:89b1a06c1828 174 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:89b1a06c1828 175
JLS 1:89b1a06c1828 176 command[8] = width;
JLS 1:89b1a06c1828 177
JLS 1:89b1a06c1828 178 command[9] = height;
JLS 1:89b1a06c1828 179
JLS 1:89b1a06c1828 180 for (i=0; i<size; i++) command[10+i] = s[i];
JLS 1:89b1a06c1828 181
JLS 1:89b1a06c1828 182 command[10+size] = 0;
JLS 1:89b1a06c1828 183
JLS 1:89b1a06c1828 184 writeCOMMAND(command, 11 + size);
JLS 1:89b1a06c1828 185 }
JLS 1:89b1a06c1828 186
JLS 1:89b1a06c1828 187 //****************************************************************************************************
JLS 1:89b1a06c1828 188 void TFT_4DGL :: text_button(char *s, char mode, int x, int y, int button_color, char font, int text_color, char width, char height) { // draw a text string
JLS 1:89b1a06c1828 189
JLS 1:89b1a06c1828 190 char command[1000]= "";
JLS 1:89b1a06c1828 191 int size = strlen(s);
JLS 1:89b1a06c1828 192 int i = 0, red5, green6, blue5;
JLS 1:89b1a06c1828 193
JLS 1:89b1a06c1828 194 command[0] = TEXTBUTTON;
JLS 1:89b1a06c1828 195
JLS 1:89b1a06c1828 196 command[1] = mode;
JLS 1:89b1a06c1828 197
JLS 1:89b1a06c1828 198 command[2] = (x >> 8) & 0xFF;
JLS 1:89b1a06c1828 199 command[3] = x & 0xFF;
JLS 1:89b1a06c1828 200
JLS 1:89b1a06c1828 201 command[4] = (y >> 8) & 0xFF;
JLS 1:89b1a06c1828 202 command[5] = y & 0xFF;
JLS 1:89b1a06c1828 203
JLS 1:89b1a06c1828 204 red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:89b1a06c1828 205 green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:89b1a06c1828 206 blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:89b1a06c1828 207
JLS 1:89b1a06c1828 208 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:89b1a06c1828 209 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:89b1a06c1828 210
JLS 1:89b1a06c1828 211 command[8] = font;
JLS 1:89b1a06c1828 212
JLS 1:89b1a06c1828 213 red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 1:89b1a06c1828 214 green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 1:89b1a06c1828 215 blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 1:89b1a06c1828 216
JLS 1:89b1a06c1828 217 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 1:89b1a06c1828 218 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 1:89b1a06c1828 219
JLS 1:89b1a06c1828 220 command[11] = width;
JLS 1:89b1a06c1828 221
JLS 1:89b1a06c1828 222 command[12] = height;
JLS 1:89b1a06c1828 223
JLS 1:89b1a06c1828 224 for (i=0; i<size; i++) command[13+i] = s[i];
JLS 1:89b1a06c1828 225
JLS 1:89b1a06c1828 226 command[13+size] = 0;
JLS 1:89b1a06c1828 227
JLS 1:89b1a06c1828 228 writeCOMMAND(command, 14 + size);
JLS 1:89b1a06c1828 229 }
JLS 1:89b1a06c1828 230
JLS 1:89b1a06c1828 231 //****************************************************************************************************
JLS 1:89b1a06c1828 232 void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
JLS 1:89b1a06c1828 233 current_col = col;
JLS 1:89b1a06c1828 234 current_row = row;
JLS 1:89b1a06c1828 235 }
JLS 1:89b1a06c1828 236
JLS 1:89b1a06c1828 237 //****************************************************************************************************
JLS 1:89b1a06c1828 238 void TFT_4DGL :: color(int color) { // set text color
JLS 1:89b1a06c1828 239 current_color = color;
JLS 1:89b1a06c1828 240 }
JLS 1:89b1a06c1828 241
JLS 1:89b1a06c1828 242 //****************************************************************************************************
JLS 1:89b1a06c1828 243 void TFT_4DGL :: putc(char c) { // place char at current cursor position
JLS 1:89b1a06c1828 244
JLS 1:89b1a06c1828 245 text_char(c, current_col++, current_row, current_color);
JLS 1:89b1a06c1828 246
JLS 1:89b1a06c1828 247 if (current_col == max_col) {
JLS 1:89b1a06c1828 248 current_col = 0;
JLS 1:89b1a06c1828 249 current_row++;
JLS 1:89b1a06c1828 250 }
JLS 1:89b1a06c1828 251 if (current_row == max_row) {
JLS 1:89b1a06c1828 252 current_row = 0;
JLS 1:89b1a06c1828 253 }
JLS 1:89b1a06c1828 254 }
JLS 1:89b1a06c1828 255
JLS 1:89b1a06c1828 256 //****************************************************************************************************
JLS 1:89b1a06c1828 257 void TFT_4DGL :: puts(char *s) { // place string at current cursor position
JLS 1:89b1a06c1828 258
JLS 1:89b1a06c1828 259 text_string(s, current_col, current_row, current_font, current_color);
JLS 1:89b1a06c1828 260
JLS 1:89b1a06c1828 261 current_col += strlen(s);
JLS 1:89b1a06c1828 262
JLS 1:89b1a06c1828 263 if (current_col >= max_col) {
JLS 1:89b1a06c1828 264 current_row += current_col / max_col;
JLS 1:89b1a06c1828 265 current_col %= max_col;
JLS 1:89b1a06c1828 266 }
JLS 1:89b1a06c1828 267 if (current_row >= max_row) {
JLS 1:89b1a06c1828 268 current_row %= max_row;
JLS 1:89b1a06c1828 269 }
JLS 1:89b1a06c1828 270 }