This is a library for 4DGL screens from 4D Systems in Autralia (http://www.4dsystems.com.au). Most graphic, touch and text functions are supported
Fork of 4DGL by
TFT_4DGL_Text.cpp
- Committer:
- lucoby
- Date:
- 2012-10-11
- Revision:
- 9:4b25d5413a06
- Parent:
- 0:1102d253f057
File content as of revision 9:4b25d5413a06:
// // TFT_4DGL is a class to drive 4D Systems TFT touch screens // // Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> // // TFT_4DGL is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // TFT_4DGL is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>. #include "mbed.h" #include "TFT_4DGL.h" //**************************************************************************************************** void TFT_4DGL :: set_font(char mode) { // set font size char command[2]= ""; int w, h, fx = 8, fy = 8; command[0] = SETFONT; command[1] = mode; current_font = mode; if (current_orientation == IS_PORTRAIT) { w = SIZE_X; h = SIZE_Y; } else { w = SIZE_Y; h = SIZE_X; } switch (mode) { case FONT_5X7 : fx = 6; fy = 8; break; case FONT_8X8 : fx = 8; fy = 8; break; case FONT_8X12 : fx = 8; fy = 12; break; case FONT_12X16 : fx = 12; fy = 16; break; } max_col = w / fx; max_row = h / fy; writeCOMMAND(command, 2); } //**************************************************************************************************** void TFT_4DGL :: text_mode(char mode) { // set text mode char command[2]= ""; command[0] = TEXTMODE; command[1] = mode; writeCOMMAND(command, 2); } //**************************************************************************************************** void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char char command[6]= ""; command[0] = TEXTCHAR; command[1] = c; command[2] = col; command[3] = row; int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color writeCOMMAND(command, 8); } //**************************************************************************************************** void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char char command[10]= ""; command[0] = GRAPHCHAR; command[1] = c; command[2] = (x >> 8) & 0xFF; command[3] = x & 0xFF; command[4] = (y >> 8) & 0xFF; command[5] = y & 0xFF; int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color command[8] = width; command[9] = height; writeCOMMAND(command, 10); } //**************************************************************************************************** void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string char command[1000]= ""; int size = strlen(s); int i = 0; command[0] = TEXTSTRING; command[1] = col; command[2] = row; command[3] = font; int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color for (i=0; i<size; i++) command[6+i] = s[i]; command[6+size] = 0; writeCOMMAND(command, 7 + size); } //**************************************************************************************************** void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string char command[1000]= ""; int size = strlen(s); int i = 0; command[0] = GRAPHSTRING; command[1] = (x >> 8) & 0xFF; command[2] = x & 0xFF; command[3] = (y >> 8) & 0xFF; command[4] = y & 0xFF; command[5] = font; int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color command[8] = width; command[9] = height; for (i=0; i<size; i++) command[10+i] = s[i]; command[10+size] = 0; writeCOMMAND(command, 11 + size); } //**************************************************************************************************** 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 char command[1000]= ""; int size = strlen(s); int i = 0, red5, green6, blue5; command[0] = TEXTBUTTON; command[1] = mode; command[2] = (x >> 8) & 0xFF; command[3] = x & 0xFF; command[4] = (y >> 8) & 0xFF; command[5] = y & 0xFF; red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color command[8] = font; red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color command[11] = width; command[12] = height; for (i=0; i<size; i++) command[13+i] = s[i]; command[13+size] = 0; writeCOMMAND(command, 14 + size); } //**************************************************************************************************** void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row current_col = col; current_row = row; } //**************************************************************************************************** void TFT_4DGL :: color(int color) { // set text color current_color = color; } //**************************************************************************************************** void TFT_4DGL :: putc(char c) { // place char at current cursor position text_char(c, current_col++, current_row, current_color); if (current_col == max_col) { current_col = 0; current_row++; } if (current_row == max_row) { current_row = 0; } } //**************************************************************************************************** void TFT_4DGL :: puts(char *s) { // place string at current cursor position text_string(s, current_col, current_row, current_font, current_color); current_col += strlen(s); if (current_col >= max_col) { current_row += current_col / max_col; current_col %= max_col; } if (current_row >= max_row) { current_row %= max_row; } }