Mandelbrot fractal - color version - slow but nice :-)

Dependencies:   mbed

Committer:
JLS
Date:
Wed Jan 26 18:54:28 2011 +0000
Revision:
0:59939414a202

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JLS 0:59939414a202 1 //
JLS 0:59939414a202 2 // TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS 0:59939414a202 3 //
JLS 0:59939414a202 4 // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS 0:59939414a202 5 //
JLS 0:59939414a202 6 // TFT_4DGL is free software: you can redistribute it and/or modify
JLS 0:59939414a202 7 // it under the terms of the GNU General Public License as published by
JLS 0:59939414a202 8 // the Free Software Foundation, either version 3 of the License, or
JLS 0:59939414a202 9 // (at your option) any later version.
JLS 0:59939414a202 10 //
JLS 0:59939414a202 11 // TFT_4DGL is distributed in the hope that it will be useful,
JLS 0:59939414a202 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS 0:59939414a202 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS 0:59939414a202 14 // GNU General Public License for more details.
JLS 0:59939414a202 15 //
JLS 0:59939414a202 16 // You should have received a copy of the GNU General Public License
JLS 0:59939414a202 17 // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS 0:59939414a202 18
JLS 0:59939414a202 19 #include "mbed.h"
JLS 0:59939414a202 20 #include "TFT_4DGL.h"
JLS 0:59939414a202 21
JLS 0:59939414a202 22 //****************************************************************************************************
JLS 0:59939414a202 23 void TFT_4DGL :: set_font(char mode) { // set font size
JLS 0:59939414a202 24 char command[2]= "";
JLS 0:59939414a202 25
JLS 0:59939414a202 26 int w, h, fx = 8, fy = 8;
JLS 0:59939414a202 27
JLS 0:59939414a202 28 command[0] = SETFONT;
JLS 0:59939414a202 29 command[1] = mode;
JLS 0:59939414a202 30
JLS 0:59939414a202 31 current_font = mode;
JLS 0:59939414a202 32
JLS 0:59939414a202 33 if (current_orientation == IS_PORTRAIT) {
JLS 0:59939414a202 34 w = SIZE_X;
JLS 0:59939414a202 35 h = SIZE_Y;
JLS 0:59939414a202 36 } else {
JLS 0:59939414a202 37 w = SIZE_Y;
JLS 0:59939414a202 38 h = SIZE_X;
JLS 0:59939414a202 39 }
JLS 0:59939414a202 40
JLS 0:59939414a202 41 switch (mode) {
JLS 0:59939414a202 42 case FONT_5X7 :
JLS 0:59939414a202 43 fx = 6;
JLS 0:59939414a202 44 fy = 8;
JLS 0:59939414a202 45 break;
JLS 0:59939414a202 46 case FONT_8X8 :
JLS 0:59939414a202 47 fx = 8;
JLS 0:59939414a202 48 fy = 8;
JLS 0:59939414a202 49 break;
JLS 0:59939414a202 50 case FONT_8X12 :
JLS 0:59939414a202 51 fx = 8;
JLS 0:59939414a202 52 fy = 12;
JLS 0:59939414a202 53 break;
JLS 0:59939414a202 54 case FONT_12X16 :
JLS 0:59939414a202 55 fx = 12;
JLS 0:59939414a202 56 fy = 16;
JLS 0:59939414a202 57 break;
JLS 0:59939414a202 58 }
JLS 0:59939414a202 59
JLS 0:59939414a202 60 max_col = w / fx;
JLS 0:59939414a202 61 max_row = h / fy;
JLS 0:59939414a202 62
JLS 0:59939414a202 63 writeCOMMAND(command, 2);
JLS 0:59939414a202 64 }
JLS 0:59939414a202 65
JLS 0:59939414a202 66 //****************************************************************************************************
JLS 0:59939414a202 67 void TFT_4DGL :: text_mode(char mode) { // set text mode
JLS 0:59939414a202 68 char command[2]= "";
JLS 0:59939414a202 69
JLS 0:59939414a202 70 command[0] = TEXTMODE;
JLS 0:59939414a202 71 command[1] = mode;
JLS 0:59939414a202 72
JLS 0:59939414a202 73 writeCOMMAND(command, 2);
JLS 0:59939414a202 74 }
JLS 0:59939414a202 75
JLS 0:59939414a202 76 //****************************************************************************************************
JLS 0:59939414a202 77 void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
JLS 0:59939414a202 78 char command[6]= "";
JLS 0:59939414a202 79
JLS 0:59939414a202 80 command[0] = TEXTCHAR;
JLS 0:59939414a202 81
JLS 0:59939414a202 82 command[1] = c;
JLS 0:59939414a202 83 command[2] = col;
JLS 0:59939414a202 84 command[3] = row;
JLS 0:59939414a202 85
JLS 0:59939414a202 86 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:59939414a202 87 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:59939414a202 88 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:59939414a202 89
JLS 0:59939414a202 90 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:59939414a202 91 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:59939414a202 92
JLS 0:59939414a202 93 writeCOMMAND(command, 8);
JLS 0:59939414a202 94 }
JLS 0:59939414a202 95
JLS 0:59939414a202 96 //****************************************************************************************************
JLS 0:59939414a202 97 void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
JLS 0:59939414a202 98 char command[10]= "";
JLS 0:59939414a202 99
JLS 0:59939414a202 100 command[0] = GRAPHCHAR;
JLS 0:59939414a202 101
JLS 0:59939414a202 102 command[1] = c;
JLS 0:59939414a202 103
JLS 0:59939414a202 104 command[2] = (x >> 8) & 0xFF;
JLS 0:59939414a202 105 command[3] = x & 0xFF;
JLS 0:59939414a202 106
JLS 0:59939414a202 107 command[4] = (y >> 8) & 0xFF;
JLS 0:59939414a202 108 command[5] = y & 0xFF;
JLS 0:59939414a202 109
JLS 0:59939414a202 110 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:59939414a202 111 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:59939414a202 112 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:59939414a202 113
JLS 0:59939414a202 114 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:59939414a202 115 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:59939414a202 116
JLS 0:59939414a202 117 command[8] = width;
JLS 0:59939414a202 118
JLS 0:59939414a202 119 command[9] = height;
JLS 0:59939414a202 120
JLS 0:59939414a202 121 writeCOMMAND(command, 10);
JLS 0:59939414a202 122 }
JLS 0:59939414a202 123
JLS 0:59939414a202 124 //****************************************************************************************************
JLS 0:59939414a202 125 void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
JLS 0:59939414a202 126
JLS 0:59939414a202 127 char command[1000]= "";
JLS 0:59939414a202 128 int size = strlen(s);
JLS 0:59939414a202 129 int i = 0;
JLS 0:59939414a202 130
JLS 0:59939414a202 131 command[0] = TEXTSTRING;
JLS 0:59939414a202 132
JLS 0:59939414a202 133 command[1] = col;
JLS 0:59939414a202 134 command[2] = row;
JLS 0:59939414a202 135
JLS 0:59939414a202 136 command[3] = font;
JLS 0:59939414a202 137
JLS 0:59939414a202 138 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:59939414a202 139 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:59939414a202 140 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:59939414a202 141
JLS 0:59939414a202 142 command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:59939414a202 143 command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:59939414a202 144
JLS 0:59939414a202 145 for (i=0; i<size; i++) command[6+i] = s[i];
JLS 0:59939414a202 146
JLS 0:59939414a202 147 command[6+size] = 0;
JLS 0:59939414a202 148
JLS 0:59939414a202 149 writeCOMMAND(command, 7 + size);
JLS 0:59939414a202 150 }
JLS 0:59939414a202 151
JLS 0:59939414a202 152 //****************************************************************************************************
JLS 0:59939414a202 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 0:59939414a202 154
JLS 0:59939414a202 155 char command[1000]= "";
JLS 0:59939414a202 156 int size = strlen(s);
JLS 0:59939414a202 157 int i = 0;
JLS 0:59939414a202 158
JLS 0:59939414a202 159 command[0] = GRAPHSTRING;
JLS 0:59939414a202 160
JLS 0:59939414a202 161 command[1] = (x >> 8) & 0xFF;
JLS 0:59939414a202 162 command[2] = x & 0xFF;
JLS 0:59939414a202 163
JLS 0:59939414a202 164 command[3] = (y >> 8) & 0xFF;
JLS 0:59939414a202 165 command[4] = y & 0xFF;
JLS 0:59939414a202 166
JLS 0:59939414a202 167 command[5] = font;
JLS 0:59939414a202 168
JLS 0:59939414a202 169 int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:59939414a202 170 int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:59939414a202 171 int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:59939414a202 172
JLS 0:59939414a202 173 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:59939414a202 174 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:59939414a202 175
JLS 0:59939414a202 176 command[8] = width;
JLS 0:59939414a202 177
JLS 0:59939414a202 178 command[9] = height;
JLS 0:59939414a202 179
JLS 0:59939414a202 180 for (i=0; i<size; i++) command[10+i] = s[i];
JLS 0:59939414a202 181
JLS 0:59939414a202 182 command[10+size] = 0;
JLS 0:59939414a202 183
JLS 0:59939414a202 184 writeCOMMAND(command, 11 + size);
JLS 0:59939414a202 185 }
JLS 0:59939414a202 186
JLS 0:59939414a202 187 //****************************************************************************************************
JLS 0:59939414a202 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 0:59939414a202 189
JLS 0:59939414a202 190 char command[1000]= "";
JLS 0:59939414a202 191 int size = strlen(s);
JLS 0:59939414a202 192 int i = 0, red5, green6, blue5;
JLS 0:59939414a202 193
JLS 0:59939414a202 194 command[0] = TEXTBUTTON;
JLS 0:59939414a202 195
JLS 0:59939414a202 196 command[1] = mode;
JLS 0:59939414a202 197
JLS 0:59939414a202 198 command[2] = (x >> 8) & 0xFF;
JLS 0:59939414a202 199 command[3] = x & 0xFF;
JLS 0:59939414a202 200
JLS 0:59939414a202 201 command[4] = (y >> 8) & 0xFF;
JLS 0:59939414a202 202 command[5] = y & 0xFF;
JLS 0:59939414a202 203
JLS 0:59939414a202 204 red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:59939414a202 205 green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:59939414a202 206 blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:59939414a202 207
JLS 0:59939414a202 208 command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:59939414a202 209 command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:59939414a202 210
JLS 0:59939414a202 211 command[8] = font;
JLS 0:59939414a202 212
JLS 0:59939414a202 213 red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS 0:59939414a202 214 green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS 0:59939414a202 215 blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS 0:59939414a202 216
JLS 0:59939414a202 217 command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS 0:59939414a202 218 command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS 0:59939414a202 219
JLS 0:59939414a202 220 command[11] = width;
JLS 0:59939414a202 221
JLS 0:59939414a202 222 command[12] = height;
JLS 0:59939414a202 223
JLS 0:59939414a202 224 for (i=0; i<size; i++) command[13+i] = s[i];
JLS 0:59939414a202 225
JLS 0:59939414a202 226 command[13+size] = 0;
JLS 0:59939414a202 227
JLS 0:59939414a202 228 writeCOMMAND(command, 14 + size);
JLS 0:59939414a202 229 }
JLS 0:59939414a202 230
JLS 0:59939414a202 231 //****************************************************************************************************
JLS 0:59939414a202 232 void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
JLS 0:59939414a202 233 current_col = col;
JLS 0:59939414a202 234 current_row = row;
JLS 0:59939414a202 235 }
JLS 0:59939414a202 236
JLS 0:59939414a202 237 //****************************************************************************************************
JLS 0:59939414a202 238 void TFT_4DGL :: color(int color) { // set text color
JLS 0:59939414a202 239 current_color = color;
JLS 0:59939414a202 240 }
JLS 0:59939414a202 241
JLS 0:59939414a202 242 //****************************************************************************************************
JLS 0:59939414a202 243 void TFT_4DGL :: putc(char c) { // place char at current cursor position
JLS 0:59939414a202 244
JLS 0:59939414a202 245 text_char(c, current_col++, current_row, current_color);
JLS 0:59939414a202 246
JLS 0:59939414a202 247 if (current_col == max_col) {
JLS 0:59939414a202 248 current_col = 0;
JLS 0:59939414a202 249 current_row++;
JLS 0:59939414a202 250 }
JLS 0:59939414a202 251 if (current_row == max_row) {
JLS 0:59939414a202 252 current_row = 0;
JLS 0:59939414a202 253 }
JLS 0:59939414a202 254 }
JLS 0:59939414a202 255
JLS 0:59939414a202 256 //****************************************************************************************************
JLS 0:59939414a202 257 void TFT_4DGL :: puts(char *s) { // place string at current cursor position
JLS 0:59939414a202 258
JLS 0:59939414a202 259 text_string(s, current_col, current_row, current_font, current_color);
JLS 0:59939414a202 260
JLS 0:59939414a202 261 current_col += strlen(s);
JLS 0:59939414a202 262
JLS 0:59939414a202 263 if (current_col >= max_col) {
JLS 0:59939414a202 264 current_row += current_col / max_col;
JLS 0:59939414a202 265 current_col %= max_col;
JLS 0:59939414a202 266 }
JLS 0:59939414a202 267 if (current_row >= max_row) {
JLS 0:59939414a202 268 current_row %= max_row;
JLS 0:59939414a202 269 }
JLS 0:59939414a202 270 }