Alexander Ferrara / 4DGL-uLCD-SE

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Dependents:   deal_or_no_deal_graphics

uLCD_4DGL_Text.cpp@0:d904fc771672, 2016-10-31 (annotated)

Committer:
AlexFerrara
Date:
Mon Oct 31 08:07:41 2016 +0000
Revision:
0:d904fc771672
-

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AlexFerrara 0:d904fc771672 1 //
AlexFerrara 0:d904fc771672 2 // uLCD_4DGL is a class to drive 4D Systems TFT touch screens
AlexFerrara 0:d904fc771672 3 //
AlexFerrara 0:d904fc771672 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
AlexFerrara 0:d904fc771672 5 // Modifed for Goldelox processor <2013> Jim Hamblen
AlexFerrara 0:d904fc771672 6 //
AlexFerrara 0:d904fc771672 7 // uLCD_4DGL is free software: you can redistribute it and/or modify
AlexFerrara 0:d904fc771672 8 // it under the terms of the GNU General Public License as published by
AlexFerrara 0:d904fc771672 9 // the Free Software Foundation, either version 3 of the License, or
AlexFerrara 0:d904fc771672 10 // (at your option) any later version.
AlexFerrara 0:d904fc771672 11 //
AlexFerrara 0:d904fc771672 12 // uLCD_4DGL is distributed in the hope that it will be useful,
AlexFerrara 0:d904fc771672 13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
AlexFerrara 0:d904fc771672 14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
AlexFerrara 0:d904fc771672 15 // GNU General Public License for more details.
AlexFerrara 0:d904fc771672 16 //
AlexFerrara 0:d904fc771672 17 // You should have received a copy of the GNU General Public License
AlexFerrara 0:d904fc771672 18 // along with uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>.
AlexFerrara 0:d904fc771672 19
AlexFerrara 0:d904fc771672 20 #include "mbed.h"
AlexFerrara 0:d904fc771672 21 #include "uLCD_4DGL.h"
AlexFerrara 0:d904fc771672 22
AlexFerrara 0:d904fc771672 23 //****************************************************************************************************
AlexFerrara 0:d904fc771672 24 void uLCD_4DGL :: set_font_size(char width, char height) // set font size
AlexFerrara 0:d904fc771672 25 {
AlexFerrara 0:d904fc771672 26 if (current_orientation == IS_PORTRAIT) {
AlexFerrara 0:d904fc771672 27 current_fx = width;
AlexFerrara 0:d904fc771672 28 current_fy = height;
AlexFerrara 0:d904fc771672 29 } else {
AlexFerrara 0:d904fc771672 30 current_fy = height;
AlexFerrara 0:d904fc771672 31 current_fx = width;
AlexFerrara 0:d904fc771672 32 }
AlexFerrara 0:d904fc771672 33 max_col = current_w / (current_fx*current_wf);
AlexFerrara 0:d904fc771672 34 max_row = current_h / (current_fy*current_hf);
AlexFerrara 0:d904fc771672 35 }
AlexFerrara 0:d904fc771672 36
AlexFerrara 0:d904fc771672 37 //****************************************************************************************************
AlexFerrara 0:d904fc771672 38 void uLCD_4DGL :: set_font(char mode) // set font - system or SD media
AlexFerrara 0:d904fc771672 39 {
AlexFerrara 0:d904fc771672 40 char command[3]= "";
AlexFerrara 0:d904fc771672 41
AlexFerrara 0:d904fc771672 42 command[0] = SETFONT;
AlexFerrara 0:d904fc771672 43 command[1] = 0;
AlexFerrara 0:d904fc771672 44 command[2] = mode;
AlexFerrara 0:d904fc771672 45
AlexFerrara 0:d904fc771672 46 current_font = mode;
AlexFerrara 0:d904fc771672 47
AlexFerrara 0:d904fc771672 48 if (current_orientation == IS_PORTRAIT) {
AlexFerrara 0:d904fc771672 49 current_w = SIZE_X;
AlexFerrara 0:d904fc771672 50 current_h = SIZE_Y;
AlexFerrara 0:d904fc771672 51 } else {
AlexFerrara 0:d904fc771672 52 current_w = SIZE_Y;
AlexFerrara 0:d904fc771672 53 current_h = SIZE_X;
AlexFerrara 0:d904fc771672 54 }
AlexFerrara 0:d904fc771672 55
AlexFerrara 0:d904fc771672 56 switch (mode) {
AlexFerrara 0:d904fc771672 57 case FONT_5X7 :
AlexFerrara 0:d904fc771672 58
AlexFerrara 0:d904fc771672 59 current_fx = 6;
AlexFerrara 0:d904fc771672 60 current_fy = 8;
AlexFerrara 0:d904fc771672 61 break;
AlexFerrara 0:d904fc771672 62 case FONT_7X8 :
AlexFerrara 0:d904fc771672 63 current_fx = 7;
AlexFerrara 0:d904fc771672 64 current_fy = 8;
AlexFerrara 0:d904fc771672 65 break;
AlexFerrara 0:d904fc771672 66 case FONT_8X8 :
AlexFerrara 0:d904fc771672 67 current_fx = 8;
AlexFerrara 0:d904fc771672 68 current_fy = 8;
AlexFerrara 0:d904fc771672 69 break;
AlexFerrara 0:d904fc771672 70 case FONT_8X12 :
AlexFerrara 0:d904fc771672 71 current_fx = 8;
AlexFerrara 0:d904fc771672 72 current_fy = 12;
AlexFerrara 0:d904fc771672 73 break;
AlexFerrara 0:d904fc771672 74 case FONT_12X16 :
AlexFerrara 0:d904fc771672 75 current_fx = 12;
AlexFerrara 0:d904fc771672 76 current_fy = 16;
AlexFerrara 0:d904fc771672 77 break;
AlexFerrara 0:d904fc771672 78 default:
AlexFerrara 0:d904fc771672 79 current_fx = 8;
AlexFerrara 0:d904fc771672 80 current_fy = 8;
AlexFerrara 0:d904fc771672 81 }
AlexFerrara 0:d904fc771672 82
AlexFerrara 0:d904fc771672 83 max_col = current_w / (current_fx*current_wf);
AlexFerrara 0:d904fc771672 84 max_row = current_h / (current_fy*current_hf);
AlexFerrara 0:d904fc771672 85
AlexFerrara 0:d904fc771672 86 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 87 }
AlexFerrara 0:d904fc771672 88
AlexFerrara 0:d904fc771672 89
AlexFerrara 0:d904fc771672 90
AlexFerrara 0:d904fc771672 91 //****************************************************************************************************
AlexFerrara 0:d904fc771672 92 void uLCD_4DGL :: text_mode(char mode) // set text mode
AlexFerrara 0:d904fc771672 93 {
AlexFerrara 0:d904fc771672 94 char command[3]= "";
AlexFerrara 0:d904fc771672 95
AlexFerrara 0:d904fc771672 96 command[0] = TEXTMODE;
AlexFerrara 0:d904fc771672 97 command[1] = 0;
AlexFerrara 0:d904fc771672 98 command[2] = mode;
AlexFerrara 0:d904fc771672 99
AlexFerrara 0:d904fc771672 100 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 101 }
AlexFerrara 0:d904fc771672 102
AlexFerrara 0:d904fc771672 103 //****************************************************************************************************
AlexFerrara 0:d904fc771672 104 void uLCD_4DGL :: text_bold(char mode) // set text mode
AlexFerrara 0:d904fc771672 105 {
AlexFerrara 0:d904fc771672 106 char command[3]= "";
AlexFerrara 0:d904fc771672 107
AlexFerrara 0:d904fc771672 108 command[0] = TEXTBOLD;
AlexFerrara 0:d904fc771672 109 command[1] = 0;
AlexFerrara 0:d904fc771672 110 command[2] = mode;
AlexFerrara 0:d904fc771672 111
AlexFerrara 0:d904fc771672 112 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 113 }
AlexFerrara 0:d904fc771672 114
AlexFerrara 0:d904fc771672 115 //****************************************************************************************************
AlexFerrara 0:d904fc771672 116 void uLCD_4DGL :: text_italic(char mode) // set text mode
AlexFerrara 0:d904fc771672 117 {
AlexFerrara 0:d904fc771672 118 char command[3]= "";
AlexFerrara 0:d904fc771672 119
AlexFerrara 0:d904fc771672 120 command[0] = TEXTITALIC;
AlexFerrara 0:d904fc771672 121 command[1] = 0;
AlexFerrara 0:d904fc771672 122 command[2] = mode;
AlexFerrara 0:d904fc771672 123
AlexFerrara 0:d904fc771672 124 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 125 }
AlexFerrara 0:d904fc771672 126
AlexFerrara 0:d904fc771672 127 //****************************************************************************************************
AlexFerrara 0:d904fc771672 128 void uLCD_4DGL :: text_inverse(char mode) // set text mode
AlexFerrara 0:d904fc771672 129 {
AlexFerrara 0:d904fc771672 130 char command[3]= "";
AlexFerrara 0:d904fc771672 131
AlexFerrara 0:d904fc771672 132 command[0] = TEXTINVERSE;
AlexFerrara 0:d904fc771672 133 command[1] = 0;
AlexFerrara 0:d904fc771672 134 command[2] = mode;
AlexFerrara 0:d904fc771672 135
AlexFerrara 0:d904fc771672 136 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 137 }
AlexFerrara 0:d904fc771672 138
AlexFerrara 0:d904fc771672 139 //****************************************************************************************************
AlexFerrara 0:d904fc771672 140 void uLCD_4DGL :: text_underline(char mode) // set text mode
AlexFerrara 0:d904fc771672 141 {
AlexFerrara 0:d904fc771672 142 char command[3]= "";
AlexFerrara 0:d904fc771672 143
AlexFerrara 0:d904fc771672 144 command[0] = TEXTUNDERLINE;
AlexFerrara 0:d904fc771672 145 command[1] = 0;
AlexFerrara 0:d904fc771672 146 command[2] = mode;
AlexFerrara 0:d904fc771672 147
AlexFerrara 0:d904fc771672 148 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 149 }
AlexFerrara 0:d904fc771672 150
AlexFerrara 0:d904fc771672 151 //****************************************************************************************************
AlexFerrara 0:d904fc771672 152 void uLCD_4DGL :: text_width(char width) // set text width
AlexFerrara 0:d904fc771672 153 {
AlexFerrara 0:d904fc771672 154 char command[3]= "";
AlexFerrara 0:d904fc771672 155
AlexFerrara 0:d904fc771672 156 command[0] = TEXTWIDTH;
AlexFerrara 0:d904fc771672 157 command[1] = 0;
AlexFerrara 0:d904fc771672 158 command[2] = width;
AlexFerrara 0:d904fc771672 159 current_wf = width;
AlexFerrara 0:d904fc771672 160 max_col = current_w / (current_fx*current_wf);
AlexFerrara 0:d904fc771672 161 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 162 }
AlexFerrara 0:d904fc771672 163
AlexFerrara 0:d904fc771672 164 //****************************************************************************************************
AlexFerrara 0:d904fc771672 165 void uLCD_4DGL :: text_height(char height) // set text height
AlexFerrara 0:d904fc771672 166 {
AlexFerrara 0:d904fc771672 167 char command[3]= "";
AlexFerrara 0:d904fc771672 168
AlexFerrara 0:d904fc771672 169 command[0] = TEXTHEIGHT;
AlexFerrara 0:d904fc771672 170 command[1] = 0;
AlexFerrara 0:d904fc771672 171 command[2] = height;
AlexFerrara 0:d904fc771672 172 current_hf = height;
AlexFerrara 0:d904fc771672 173 max_row = current_h / (current_fy*current_hf);
AlexFerrara 0:d904fc771672 174 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 175 }
AlexFerrara 0:d904fc771672 176
AlexFerrara 0:d904fc771672 177
AlexFerrara 0:d904fc771672 178 //****************************************************************************************************
AlexFerrara 0:d904fc771672 179 void uLCD_4DGL :: text_char(char c, char col, char row, int color) // draw a text char
AlexFerrara 0:d904fc771672 180 {
AlexFerrara 0:d904fc771672 181 char command[6]= "";
AlexFerrara 0:d904fc771672 182 command[0] = 0xE4; //move cursor
AlexFerrara 0:d904fc771672 183 command[1] = 0;
AlexFerrara 0:d904fc771672 184 command[2] = row;
AlexFerrara 0:d904fc771672 185 command[3] = 0;
AlexFerrara 0:d904fc771672 186 command[4] = col;
AlexFerrara 0:d904fc771672 187 writeCOMMAND(command, 5);
AlexFerrara 0:d904fc771672 188
AlexFerrara 0:d904fc771672 189 command[0] = 0x7F; //set color
AlexFerrara 0:d904fc771672 190
AlexFerrara 0:d904fc771672 191 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
AlexFerrara 0:d904fc771672 192 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
AlexFerrara 0:d904fc771672 193 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AlexFerrara 0:d904fc771672 194
AlexFerrara 0:d904fc771672 195 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AlexFerrara 0:d904fc771672 196 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AlexFerrara 0:d904fc771672 197 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 198
AlexFerrara 0:d904fc771672 199 command[0] = TEXTCHAR; //print char
AlexFerrara 0:d904fc771672 200 command[1] = 0;
AlexFerrara 0:d904fc771672 201 command[2] = c;
AlexFerrara 0:d904fc771672 202 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 203
AlexFerrara 0:d904fc771672 204 }
AlexFerrara 0:d904fc771672 205
AlexFerrara 0:d904fc771672 206
AlexFerrara 0:d904fc771672 207 //****************************************************************************************************
AlexFerrara 0:d904fc771672 208 void uLCD_4DGL :: text_string(char *s, char col, char row, char font, int color) // draw a text string
AlexFerrara 0:d904fc771672 209 {
AlexFerrara 0:d904fc771672 210
AlexFerrara 0:d904fc771672 211 char command[1000]= "";
AlexFerrara 0:d904fc771672 212 int size = strlen(s);
AlexFerrara 0:d904fc771672 213 int i = 0;
AlexFerrara 0:d904fc771672 214
AlexFerrara 0:d904fc771672 215 set_font(font);
AlexFerrara 0:d904fc771672 216
AlexFerrara 0:d904fc771672 217 command[0] = 0xE4; //move cursor
AlexFerrara 0:d904fc771672 218 command[1] = 0;
AlexFerrara 0:d904fc771672 219 command[2] = row;
AlexFerrara 0:d904fc771672 220 command[3] = 0;
AlexFerrara 0:d904fc771672 221 command[4] = col;
AlexFerrara 0:d904fc771672 222 writeCOMMAND(command, 5);
AlexFerrara 0:d904fc771672 223
AlexFerrara 0:d904fc771672 224 command[0] = 0x7F; //set color
AlexFerrara 0:d904fc771672 225 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
AlexFerrara 0:d904fc771672 226 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
AlexFerrara 0:d904fc771672 227 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AlexFerrara 0:d904fc771672 228
AlexFerrara 0:d904fc771672 229 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AlexFerrara 0:d904fc771672 230 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AlexFerrara 0:d904fc771672 231 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 232
AlexFerrara 0:d904fc771672 233 command[0] = TEXTSTRING;
AlexFerrara 0:d904fc771672 234 for (i=0; i<size; i++) command[1+i] = s[i];
AlexFerrara 0:d904fc771672 235 command[1+size] = 0;
AlexFerrara 0:d904fc771672 236 writeCOMMANDnull(command, 2 + size);
AlexFerrara 0:d904fc771672 237 }
AlexFerrara 0:d904fc771672 238
AlexFerrara 0:d904fc771672 239
AlexFerrara 0:d904fc771672 240
AlexFerrara 0:d904fc771672 241 //****************************************************************************************************
AlexFerrara 0:d904fc771672 242 void uLCD_4DGL :: locate(char col, char row) // place text curssor at col, row
AlexFerrara 0:d904fc771672 243 {
AlexFerrara 0:d904fc771672 244 char command[5] = "";
AlexFerrara 0:d904fc771672 245 current_col = col;
AlexFerrara 0:d904fc771672 246 current_row = row;
AlexFerrara 0:d904fc771672 247 command[0] = MOVECURSOR; //move cursor
AlexFerrara 0:d904fc771672 248 command[1] = 0;
AlexFerrara 0:d904fc771672 249 command[2] = current_row;
AlexFerrara 0:d904fc771672 250 command[3] = 0;
AlexFerrara 0:d904fc771672 251 command[4] = current_col;
AlexFerrara 0:d904fc771672 252 writeCOMMAND(command, 5);
AlexFerrara 0:d904fc771672 253 }
AlexFerrara 0:d904fc771672 254
AlexFerrara 0:d904fc771672 255 //****************************************************************************************************
AlexFerrara 0:d904fc771672 256 void uLCD_4DGL :: color(int color) // set text color
AlexFerrara 0:d904fc771672 257 {
AlexFerrara 0:d904fc771672 258 char command[5] = "";
AlexFerrara 0:d904fc771672 259 current_color = color;
AlexFerrara 0:d904fc771672 260 command[0] = 0x7F; //set color
AlexFerrara 0:d904fc771672 261
AlexFerrara 0:d904fc771672 262 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
AlexFerrara 0:d904fc771672 263 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
AlexFerrara 0:d904fc771672 264 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AlexFerrara 0:d904fc771672 265
AlexFerrara 0:d904fc771672 266 command[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AlexFerrara 0:d904fc771672 267 command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AlexFerrara 0:d904fc771672 268 writeCOMMAND(command, 3);
AlexFerrara 0:d904fc771672 269 }
AlexFerrara 0:d904fc771672 270
AlexFerrara 0:d904fc771672 271 //****************************************************************************************************
AlexFerrara 0:d904fc771672 272 void uLCD_4DGL :: putc(char c) // place char at current cursor position
AlexFerrara 0:d904fc771672 273 //used by virtual printf function _putc
AlexFerrara 0:d904fc771672 274 {
AlexFerrara 0:d904fc771672 275 char command[6] ="";
AlexFerrara 0:d904fc771672 276 if(c<0x20) {
AlexFerrara 0:d904fc771672 277 if(c=='\n') {
AlexFerrara 0:d904fc771672 278 current_col = 0;
AlexFerrara 0:d904fc771672 279 current_row++;
AlexFerrara 0:d904fc771672 280 command[0] = MOVECURSOR; //move cursor to start of next line
AlexFerrara 0:d904fc771672 281 command[1] = 0;
AlexFerrara 0:d904fc771672 282 command[2] = current_row;
AlexFerrara 0:d904fc771672 283 command[3] = 0;
AlexFerrara 0:d904fc771672 284 command[4] = current_col;
AlexFerrara 0:d904fc771672 285 writeCOMMAND(command, 5);
AlexFerrara 0:d904fc771672 286 }
AlexFerrara 0:d904fc771672 287 if(c=='\r') {
AlexFerrara 0:d904fc771672 288 current_col = 0;
AlexFerrara 0:d904fc771672 289 command[0] = MOVECURSOR; //move cursor to start of line
AlexFerrara 0:d904fc771672 290 command[1] = 0;
AlexFerrara 0:d904fc771672 291 command[2] = current_row;
AlexFerrara 0:d904fc771672 292 command[3] = 0;
AlexFerrara 0:d904fc771672 293 command[4] = current_col;
AlexFerrara 0:d904fc771672 294 writeCOMMAND(command, 5);
AlexFerrara 0:d904fc771672 295 }
AlexFerrara 0:d904fc771672 296 if(c=='\f') {
AlexFerrara 0:d904fc771672 297 uLCD_4DGL::cls(); //clear screen on form feed
AlexFerrara 0:d904fc771672 298 }
AlexFerrara 0:d904fc771672 299 } else {
AlexFerrara 0:d904fc771672 300 command[0] = PUTCHAR;
AlexFerrara 0:d904fc771672 301 command[1] = 0x00;
AlexFerrara 0:d904fc771672 302 command[2] = c;
AlexFerrara 0:d904fc771672 303 writeCOMMAND(command,3);
AlexFerrara 0:d904fc771672 304 current_col++;
AlexFerrara 0:d904fc771672 305 }
AlexFerrara 0:d904fc771672 306 if (current_col == max_col) {
AlexFerrara 0:d904fc771672 307 current_col = 0;
AlexFerrara 0:d904fc771672 308 current_row++;
AlexFerrara 0:d904fc771672 309 command[0] = MOVECURSOR; //move cursor to next line
AlexFerrara 0:d904fc771672 310 command[1] = 0;
AlexFerrara 0:d904fc771672 311 command[2] = current_row;
AlexFerrara 0:d904fc771672 312 command[3] = 0;
AlexFerrara 0:d904fc771672 313 command[4] = current_col;
AlexFerrara 0:d904fc771672 314 writeCOMMAND(command, 5);
AlexFerrara 0:d904fc771672 315 }
AlexFerrara 0:d904fc771672 316 if (current_row == max_row) {
AlexFerrara 0:d904fc771672 317 current_row = 0;
AlexFerrara 0:d904fc771672 318 command[0] = MOVECURSOR; //move cursor back to start
AlexFerrara 0:d904fc771672 319 command[1] = 0;
AlexFerrara 0:d904fc771672 320 command[2] = current_row;
AlexFerrara 0:d904fc771672 321 command[3] = 0;
AlexFerrara 0:d904fc771672 322 command[4] = current_col;
AlexFerrara 0:d904fc771672 323 writeCOMMAND(command, 5);
AlexFerrara 0:d904fc771672 324 }
AlexFerrara 0:d904fc771672 325 }
AlexFerrara 0:d904fc771672 326
AlexFerrara 0:d904fc771672 327
AlexFerrara 0:d904fc771672 328 //****************************************************************************************************
AlexFerrara 0:d904fc771672 329 void uLCD_4DGL :: puts(char *s) // place string at current cursor position
AlexFerrara 0:d904fc771672 330 {
AlexFerrara 0:d904fc771672 331
AlexFerrara 0:d904fc771672 332 text_string(s, current_col, current_row, current_font, current_color);
AlexFerrara 0:d904fc771672 333
AlexFerrara 0:d904fc771672 334 current_col += strlen(s);
AlexFerrara 0:d904fc771672 335
AlexFerrara 0:d904fc771672 336 if (current_col >= max_col) {
AlexFerrara 0:d904fc771672 337 current_row += current_col / max_col;
AlexFerrara 0:d904fc771672 338 current_col %= max_col;
AlexFerrara 0:d904fc771672 339 }
AlexFerrara 0:d904fc771672 340 if (current_row >= max_row) {
AlexFerrara 0:d904fc771672 341 current_row %= max_row;
AlexFerrara 0:d904fc771672 342 }
AlexFerrara 0:d904fc771672 343 }