Engravity-CDU / 4DGL

uVGA III library

Dependents:   CDUFinal CDU_Mbed_21 CDU_Mbed_26 CDU_Mbed_30

Fork of 4DGL by Adam Green

TFT_4DGL_Text.cpp@3:f34ce48346bc, 2014-07-05 (annotated)

Committer:
WillemBraat
Date:
Sat Jul 05 16:31:43 2014 +0000
Revision:
3:f34ce48346bc
Parent:
1:ebc67b51c225 
Font references have changed

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AdamGreen 0:d6e186427f3e 1 //
AdamGreen 0:d6e186427f3e 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
AdamGreen 0:d6e186427f3e 3 //
AdamGreen 0:d6e186427f3e 4
AdamGreen 0:d6e186427f3e 5 #include "mbed.h"
AdamGreen 0:d6e186427f3e 6 #include "TFT_4DGL.h"
AdamGreen 0:d6e186427f3e 7
AdamGreen 0:d6e186427f3e 8 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 9 void TFT_4DGL :: set_font(char mode) { // set font size
AdamGreen 0:d6e186427f3e 10 char command[2]= "";
AdamGreen 0:d6e186427f3e 11
AdamGreen 0:d6e186427f3e 12 int w, h, fx = 8, fy = 8;
AdamGreen 0:d6e186427f3e 13
AdamGreen 0:d6e186427f3e 14 command[0] = SETFONT;
AdamGreen 0:d6e186427f3e 15 command[1] = mode;
AdamGreen 0:d6e186427f3e 16
AdamGreen 0:d6e186427f3e 17 current_font = mode;
AdamGreen 0:d6e186427f3e 18
AdamGreen 0:d6e186427f3e 19 if (current_orientation == IS_PORTRAIT) {
AdamGreen 0:d6e186427f3e 20 w = SIZE_X;
AdamGreen 0:d6e186427f3e 21 h = SIZE_Y;
AdamGreen 0:d6e186427f3e 22 } else {
AdamGreen 0:d6e186427f3e 23 w = SIZE_Y;
AdamGreen 0:d6e186427f3e 24 h = SIZE_X;
AdamGreen 0:d6e186427f3e 25 }
AdamGreen 0:d6e186427f3e 26
AdamGreen 0:d6e186427f3e 27 switch (mode) {
WillemBraat 3:f34ce48346bc 28 case FONT_12X34:
WillemBraat 3:f34ce48346bc 29 fx = 12;
WillemBraat 3:f34ce48346bc 30 fy = 34;
AdamGreen 0:d6e186427f3e 31 break;
WillemBraat 1:ebc67b51c225 32 case FONT_24X34 :
WillemBraat 1:ebc67b51c225 33 fx = 24; //was 24
WillemBraat 1:ebc67b51c225 34 fy = 34;
WillemBraat 1:ebc67b51c225 35 break;
WillemBraat 1:ebc67b51c225 36
AdamGreen 0:d6e186427f3e 37 }
AdamGreen 0:d6e186427f3e 38
AdamGreen 0:d6e186427f3e 39 max_col = w / fx;
AdamGreen 0:d6e186427f3e 40 max_row = h / fy;
AdamGreen 0:d6e186427f3e 41
AdamGreen 0:d6e186427f3e 42 writeCOMMAND(command, 2);
AdamGreen 0:d6e186427f3e 43 }
AdamGreen 0:d6e186427f3e 44
AdamGreen 0:d6e186427f3e 45 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 46 void TFT_4DGL :: text_mode(char mode) { // set text mode
AdamGreen 0:d6e186427f3e 47 char command[2]= "";
AdamGreen 0:d6e186427f3e 48
AdamGreen 0:d6e186427f3e 49 command[0] = TEXTMODE;
AdamGreen 0:d6e186427f3e 50 command[1] = mode;
AdamGreen 0:d6e186427f3e 51
AdamGreen 0:d6e186427f3e 52 writeCOMMAND(command, 2);
AdamGreen 0:d6e186427f3e 53 }
AdamGreen 0:d6e186427f3e 54
AdamGreen 0:d6e186427f3e 55 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 56 void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
AdamGreen 0:d6e186427f3e 57 char command[6]= "";
AdamGreen 0:d6e186427f3e 58
AdamGreen 0:d6e186427f3e 59 command[0] = TEXTCHAR;
AdamGreen 0:d6e186427f3e 60
AdamGreen 0:d6e186427f3e 61 command[1] = c;
AdamGreen 0:d6e186427f3e 62 command[2] = col;
AdamGreen 0:d6e186427f3e 63 command[3] = row;
AdamGreen 0:d6e186427f3e 64
AdamGreen 0:d6e186427f3e 65 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
AdamGreen 0:d6e186427f3e 66 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
AdamGreen 0:d6e186427f3e 67 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AdamGreen 0:d6e186427f3e 68
AdamGreen 0:d6e186427f3e 69 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AdamGreen 0:d6e186427f3e 70 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AdamGreen 0:d6e186427f3e 71
AdamGreen 0:d6e186427f3e 72 writeCOMMAND(command, 8);
AdamGreen 0:d6e186427f3e 73 }
AdamGreen 0:d6e186427f3e 74
AdamGreen 0:d6e186427f3e 75 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 76 void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
AdamGreen 0:d6e186427f3e 77 char command[10]= "";
AdamGreen 0:d6e186427f3e 78
AdamGreen 0:d6e186427f3e 79 command[0] = GRAPHCHAR;
AdamGreen 0:d6e186427f3e 80
AdamGreen 0:d6e186427f3e 81 command[1] = c;
AdamGreen 0:d6e186427f3e 82
AdamGreen 0:d6e186427f3e 83 command[2] = (x >> 8) & 0xFF;
AdamGreen 0:d6e186427f3e 84 command[3] = x & 0xFF;
AdamGreen 0:d6e186427f3e 85
AdamGreen 0:d6e186427f3e 86 command[4] = (y >> 8) & 0xFF;
AdamGreen 0:d6e186427f3e 87 command[5] = y & 0xFF;
AdamGreen 0:d6e186427f3e 88
AdamGreen 0:d6e186427f3e 89 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
AdamGreen 0:d6e186427f3e 90 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
AdamGreen 0:d6e186427f3e 91 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AdamGreen 0:d6e186427f3e 92
AdamGreen 0:d6e186427f3e 93 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AdamGreen 0:d6e186427f3e 94 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AdamGreen 0:d6e186427f3e 95
AdamGreen 0:d6e186427f3e 96 command[8] = width;
AdamGreen 0:d6e186427f3e 97
AdamGreen 0:d6e186427f3e 98 command[9] = height;
AdamGreen 0:d6e186427f3e 99
AdamGreen 0:d6e186427f3e 100 writeCOMMAND(command, 10);
AdamGreen 0:d6e186427f3e 101 }
AdamGreen 0:d6e186427f3e 102
AdamGreen 0:d6e186427f3e 103 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 104 void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
AdamGreen 0:d6e186427f3e 105
AdamGreen 0:d6e186427f3e 106 char command[1000]= "";
AdamGreen 0:d6e186427f3e 107 int size = strlen(s);
AdamGreen 0:d6e186427f3e 108 int i = 0;
AdamGreen 0:d6e186427f3e 109
AdamGreen 0:d6e186427f3e 110 command[0] = TEXTSTRING;
AdamGreen 0:d6e186427f3e 111
AdamGreen 0:d6e186427f3e 112 command[1] = col;
AdamGreen 0:d6e186427f3e 113 command[2] = row;
AdamGreen 0:d6e186427f3e 114
AdamGreen 0:d6e186427f3e 115 command[3] = font;
AdamGreen 0:d6e186427f3e 116
AdamGreen 0:d6e186427f3e 117 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
AdamGreen 0:d6e186427f3e 118 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
AdamGreen 0:d6e186427f3e 119 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AdamGreen 0:d6e186427f3e 120
AdamGreen 0:d6e186427f3e 121 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AdamGreen 0:d6e186427f3e 122 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AdamGreen 0:d6e186427f3e 123
AdamGreen 0:d6e186427f3e 124 for (i=0; i<size; i++) command[6+i] = s[i];
AdamGreen 0:d6e186427f3e 125
AdamGreen 0:d6e186427f3e 126 command[6+size] = 0;
AdamGreen 0:d6e186427f3e 127
AdamGreen 0:d6e186427f3e 128 writeCOMMAND(command, 7 + size);
AdamGreen 0:d6e186427f3e 129 }
AdamGreen 0:d6e186427f3e 130
AdamGreen 0:d6e186427f3e 131 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 132 void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string
AdamGreen 0:d6e186427f3e 133
AdamGreen 0:d6e186427f3e 134 char command[1000]= "";
AdamGreen 0:d6e186427f3e 135 int size = strlen(s);
AdamGreen 0:d6e186427f3e 136 int i = 0;
AdamGreen 0:d6e186427f3e 137
AdamGreen 0:d6e186427f3e 138 command[0] = GRAPHSTRING;
AdamGreen 0:d6e186427f3e 139
AdamGreen 0:d6e186427f3e 140 command[1] = (x >> 8) & 0xFF;
AdamGreen 0:d6e186427f3e 141 command[2] = x & 0xFF;
AdamGreen 0:d6e186427f3e 142
AdamGreen 0:d6e186427f3e 143 command[3] = (y >> 8) & 0xFF;
AdamGreen 0:d6e186427f3e 144 command[4] = y & 0xFF;
AdamGreen 0:d6e186427f3e 145
AdamGreen 0:d6e186427f3e 146 command[5] = font;
AdamGreen 0:d6e186427f3e 147
AdamGreen 0:d6e186427f3e 148 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
AdamGreen 0:d6e186427f3e 149 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
AdamGreen 0:d6e186427f3e 150 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AdamGreen 0:d6e186427f3e 151
AdamGreen 0:d6e186427f3e 152 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AdamGreen 0:d6e186427f3e 153 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AdamGreen 0:d6e186427f3e 154
AdamGreen 0:d6e186427f3e 155 command[8] = width;
AdamGreen 0:d6e186427f3e 156
AdamGreen 0:d6e186427f3e 157 command[9] = height;
AdamGreen 0:d6e186427f3e 158
AdamGreen 0:d6e186427f3e 159 for (i=0; i<size; i++) command[10+i] = s[i];
AdamGreen 0:d6e186427f3e 160
AdamGreen 0:d6e186427f3e 161 command[10+size] = 0;
AdamGreen 0:d6e186427f3e 162
AdamGreen 0:d6e186427f3e 163 writeCOMMAND(command, 11 + size);
AdamGreen 0:d6e186427f3e 164 }
AdamGreen 0:d6e186427f3e 165
AdamGreen 0:d6e186427f3e 166 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 167 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
AdamGreen 0:d6e186427f3e 168
AdamGreen 0:d6e186427f3e 169 char command[1000]= "";
AdamGreen 0:d6e186427f3e 170 int size = strlen(s);
AdamGreen 0:d6e186427f3e 171 int i = 0, red5, green6, blue5;
AdamGreen 0:d6e186427f3e 172
AdamGreen 0:d6e186427f3e 173 command[0] = TEXTBUTTON;
AdamGreen 0:d6e186427f3e 174
AdamGreen 0:d6e186427f3e 175 command[1] = mode;
AdamGreen 0:d6e186427f3e 176
AdamGreen 0:d6e186427f3e 177 command[2] = (x >> 8) & 0xFF;
AdamGreen 0:d6e186427f3e 178 command[3] = x & 0xFF;
AdamGreen 0:d6e186427f3e 179
AdamGreen 0:d6e186427f3e 180 command[4] = (y >> 8) & 0xFF;
AdamGreen 0:d6e186427f3e 181 command[5] = y & 0xFF;
AdamGreen 0:d6e186427f3e 182
AdamGreen 0:d6e186427f3e 183 red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
AdamGreen 0:d6e186427f3e 184 green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
AdamGreen 0:d6e186427f3e 185 blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AdamGreen 0:d6e186427f3e 186
AdamGreen 0:d6e186427f3e 187 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AdamGreen 0:d6e186427f3e 188 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AdamGreen 0:d6e186427f3e 189
AdamGreen 0:d6e186427f3e 190 command[8] = font;
AdamGreen 0:d6e186427f3e 191
AdamGreen 0:d6e186427f3e 192 red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
AdamGreen 0:d6e186427f3e 193 green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
AdamGreen 0:d6e186427f3e 194 blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
AdamGreen 0:d6e186427f3e 195
AdamGreen 0:d6e186427f3e 196 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
AdamGreen 0:d6e186427f3e 197 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
AdamGreen 0:d6e186427f3e 198
AdamGreen 0:d6e186427f3e 199 command[11] = width;
AdamGreen 0:d6e186427f3e 200
AdamGreen 0:d6e186427f3e 201 command[12] = height;
AdamGreen 0:d6e186427f3e 202
AdamGreen 0:d6e186427f3e 203 for (i=0; i<size; i++) command[13+i] = s[i];
AdamGreen 0:d6e186427f3e 204
AdamGreen 0:d6e186427f3e 205 command[13+size] = 0;
AdamGreen 0:d6e186427f3e 206
AdamGreen 0:d6e186427f3e 207 writeCOMMAND(command, 14 + size);
AdamGreen 0:d6e186427f3e 208 }
AdamGreen 0:d6e186427f3e 209
AdamGreen 0:d6e186427f3e 210 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 211 void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
AdamGreen 0:d6e186427f3e 212 current_col = col;
AdamGreen 0:d6e186427f3e 213 current_row = row;
AdamGreen 0:d6e186427f3e 214 }
AdamGreen 0:d6e186427f3e 215
AdamGreen 0:d6e186427f3e 216 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 217 void TFT_4DGL :: color(int color) { // set text color
AdamGreen 0:d6e186427f3e 218 current_color = color;
AdamGreen 0:d6e186427f3e 219 }
AdamGreen 0:d6e186427f3e 220
AdamGreen 0:d6e186427f3e 221 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 222 void TFT_4DGL :: putc(char c) { // place char at current cursor position
AdamGreen 0:d6e186427f3e 223
AdamGreen 0:d6e186427f3e 224 text_char(c, current_col++, current_row, current_color);
AdamGreen 0:d6e186427f3e 225
AdamGreen 0:d6e186427f3e 226 if (current_col == max_col) {
AdamGreen 0:d6e186427f3e 227 current_col = 0;
AdamGreen 0:d6e186427f3e 228 current_row++;
AdamGreen 0:d6e186427f3e 229 }
AdamGreen 0:d6e186427f3e 230 if (current_row == max_row) {
AdamGreen 0:d6e186427f3e 231 current_row = 0;
AdamGreen 0:d6e186427f3e 232 }
AdamGreen 0:d6e186427f3e 233 }
AdamGreen 0:d6e186427f3e 234
AdamGreen 0:d6e186427f3e 235 //****************************************************************************************************
AdamGreen 0:d6e186427f3e 236 void TFT_4DGL :: puts(char *s) { // place string at current cursor position
AdamGreen 0:d6e186427f3e 237
AdamGreen 0:d6e186427f3e 238 text_string(s, current_col, current_row, current_font, current_color);
AdamGreen 0:d6e186427f3e 239
AdamGreen 0:d6e186427f3e 240 current_col += strlen(s);
AdamGreen 0:d6e186427f3e 241
AdamGreen 0:d6e186427f3e 242 if (current_col >= max_col) {
AdamGreen 0:d6e186427f3e 243 current_row += current_col / max_col;
AdamGreen 0:d6e186427f3e 244 current_col %= max_col;
AdamGreen 0:d6e186427f3e 245 }
AdamGreen 0:d6e186427f3e 246 if (current_row >= max_row) {
AdamGreen 0:d6e186427f3e 247 current_row %= max_row;
AdamGreen 0:d6e186427f3e 248 }
AdamGreen 0:d6e186427f3e 249 }