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Simple starter skeleton for asteroids video game.
Diff: uLCD_4DGL_Text.cpp
- Revision:
- 0:0c450cb95a1e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/uLCD_4DGL_Text.cpp Thu Feb 21 17:44:23 2019 +0000 @@ -0,0 +1,343 @@ +// +// uLCD_4DGL is a class to drive 4D Systems TFT touch screens +// +// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr> +// Modifed for Goldelox processor <2013> Jim Hamblen +// +// uLCD_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. +// +// uLCD_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 uLCD_4DGL. If not, see <http://www.gnu.org/licenses/>. + +#include "mbed.h" +#include "uLCD_4DGL.h" + +//**************************************************************************************************** +void uLCD_4DGL :: set_font_size(char width, char height) // set font size +{ + if (current_orientation == IS_PORTRAIT) { + current_fx = width; + current_fy = height; + } else { + current_fy = height; + current_fx = width; + } + max_col = current_w / (current_fx*current_wf); + max_row = current_h / (current_fy*current_hf); +} + +//**************************************************************************************************** +void uLCD_4DGL :: set_font(char mode) // set font - system or SD media +{ + char command[3]= ""; + + command[0] = SETFONT; + command[1] = 0; + command[2] = mode; + + current_font = mode; + + if (current_orientation == IS_PORTRAIT) { + current_w = SIZE_X; + current_h = SIZE_Y; + } else { + current_w = SIZE_Y; + current_h = SIZE_X; + } + + switch (mode) { + case FONT_5X7 : + + current_fx = 6; + current_fy = 8; + break; + case FONT_7X8 : + current_fx = 7; + current_fy = 8; + break; + case FONT_8X8 : + current_fx = 8; + current_fy = 8; + break; + case FONT_8X12 : + current_fx = 8; + current_fy = 12; + break; + case FONT_12X16 : + current_fx = 12; + current_fy = 16; + break; + default: + current_fx = 8; + current_fy = 8; + } + + max_col = current_w / (current_fx*current_wf); + max_row = current_h / (current_fy*current_hf); + + writeCOMMAND(command, 3); +} + + + +//**************************************************************************************************** +void uLCD_4DGL :: text_mode(char mode) // set text mode +{ + char command[3]= ""; + + command[0] = TEXTMODE; + command[1] = 0; + command[2] = mode; + + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void uLCD_4DGL :: text_bold(char mode) // set text mode +{ + char command[3]= ""; + + command[0] = TEXTBOLD; + command[1] = 0; + command[2] = mode; + + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void uLCD_4DGL :: text_italic(char mode) // set text mode +{ + char command[3]= ""; + + command[0] = TEXTITALIC; + command[1] = 0; + command[2] = mode; + + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void uLCD_4DGL :: text_inverse(char mode) // set text mode +{ + char command[3]= ""; + + command[0] = TEXTINVERSE; + command[1] = 0; + command[2] = mode; + + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void uLCD_4DGL :: text_underline(char mode) // set text mode +{ + char command[3]= ""; + + command[0] = TEXTUNDERLINE; + command[1] = 0; + command[2] = mode; + + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void uLCD_4DGL :: text_width(char width) // set text width +{ + char command[3]= ""; + + command[0] = TEXTWIDTH; + command[1] = 0; + command[2] = width; + current_wf = width; + max_col = current_w / (current_fx*current_wf); + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void uLCD_4DGL :: text_height(char height) // set text height +{ + char command[3]= ""; + + command[0] = TEXTHEIGHT; + command[1] = 0; + command[2] = height; + current_hf = height; + max_row = current_h / (current_fy*current_hf); + writeCOMMAND(command, 3); +} + + +//**************************************************************************************************** +void uLCD_4DGL :: text_char(char c, char col, char row, int color) // draw a text char +{ + char command[6]= ""; + command[0] = 0xE4; //move cursor + command[1] = 0; + command[2] = row; + command[3] = 0; + command[4] = col; + writeCOMMAND(command, 5); + + command[0] = 0x7F; //set color + + 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[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + writeCOMMAND(command, 3); + + command[0] = TEXTCHAR; //print char + command[1] = 0; + command[2] = c; + writeCOMMAND(command, 3); + +} + + +//**************************************************************************************************** +void uLCD_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; + + set_font(font); + + command[0] = 0xE4; //move cursor + command[1] = 0; + command[2] = row; + command[3] = 0; + command[4] = col; + writeCOMMAND(command, 5); + + command[0] = 0x7F; //set color + 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[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + writeCOMMAND(command, 3); + + command[0] = TEXTSTRING; + for (i=0; i<size; i++) command[1+i] = s[i]; + command[1+size] = 0; + writeCOMMANDnull(command, 2 + size); +} + + + +//**************************************************************************************************** +void uLCD_4DGL :: locate(char col, char row) // place text curssor at col, row +{ + char command[5] = ""; + current_col = col; + current_row = row; + command[0] = MOVECURSOR; //move cursor + command[1] = 0; + command[2] = current_row; + command[3] = 0; + command[4] = current_col; + writeCOMMAND(command, 5); +} + +//**************************************************************************************************** +void uLCD_4DGL :: color(int color) // set text color +{ + char command[5] = ""; + current_color = color; + command[0] = 0x7F; //set color + + 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[1] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color + command[2] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color + writeCOMMAND(command, 3); +} + +//**************************************************************************************************** +void uLCD_4DGL :: putc(char c) // place char at current cursor position +//used by virtual printf function _putc +{ + char command[6] =""; + if(c<0x20) { + if(c=='\n') { + current_col = 0; + current_row++; + command[0] = MOVECURSOR; //move cursor to start of next line + command[1] = 0; + command[2] = current_row; + command[3] = 0; + command[4] = current_col; + writeCOMMAND(command, 5); + } + if(c=='\r') { + current_col = 0; + command[0] = MOVECURSOR; //move cursor to start of line + command[1] = 0; + command[2] = current_row; + command[3] = 0; + command[4] = current_col; + writeCOMMAND(command, 5); + } + if(c=='\f') { + uLCD_4DGL::cls(); //clear screen on form feed + } + } else { + command[0] = PUTCHAR; + command[1] = 0x00; + command[2] = c; + writeCOMMAND(command,3); + current_col++; + } + if (current_col == max_col) { + current_col = 0; + current_row++; + command[0] = MOVECURSOR; //move cursor to next line + command[1] = 0; + command[2] = current_row; + command[3] = 0; + command[4] = current_col; + writeCOMMAND(command, 5); + } + if (current_row == max_row) { + current_row = 0; + command[0] = MOVECURSOR; //move cursor back to start + command[1] = 0; + command[2] = current_row; + command[3] = 0; + command[4] = current_col; + writeCOMMAND(command, 5); + } +} + + +//**************************************************************************************************** +void uLCD_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; + } +}