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Brusselator chemical oscillator
Diff: TFT_4DGL_Text.cpp
- Revision:
- 0:7db0029f15d6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TFT_4DGL_Text.cpp Fri Dec 31 16:54:57 2010 +0000 @@ -0,0 +1,270 @@ +// +// 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; + } +} \ No newline at end of file