4DGLmbed - A program to display an image on the uLCD-32PT di…

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Martin Smith / Mbed 2 deprecated 4DGLmbed

A program to display an image on the uLCD-32PT display by 4D Systems

TFT_4DGL_Text.cpp@0:fc4f3879f0e1, 2010-10-03 (annotated)

Committer:: ms523
Date:: Sun Oct 03 15:47:25 2010 +0000
Revision:: 0:fc4f3879f0e1

Who changed what in which revision?

User	Revision	Line number	New contents of line
ms523	0:fc4f3879f0e1	1	//
ms523	0:fc4f3879f0e1	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
ms523	0:fc4f3879f0e1	3	//
ms523	0:fc4f3879f0e1	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
ms523	0:fc4f3879f0e1	5	//
ms523	0:fc4f3879f0e1	6	// TFT_4DGL is free software: you can redistribute it and/or modify
ms523	0:fc4f3879f0e1	7	// it under the terms of the GNU General Public License as published by
ms523	0:fc4f3879f0e1	8	// the Free Software Foundation, either version 3 of the License, or
ms523	0:fc4f3879f0e1	9	// (at your option) any later version.
ms523	0:fc4f3879f0e1	10	//
ms523	0:fc4f3879f0e1	11	// TFT_4DGL is distributed in the hope that it will be useful,
ms523	0:fc4f3879f0e1	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
ms523	0:fc4f3879f0e1	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
ms523	0:fc4f3879f0e1	14	// GNU General Public License for more details.
ms523	0:fc4f3879f0e1	15	//
ms523	0:fc4f3879f0e1	16	// You should have received a copy of the GNU General Public License
ms523	0:fc4f3879f0e1	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
ms523	0:fc4f3879f0e1	18
ms523	0:fc4f3879f0e1	19	#include "mbed.h"
ms523	0:fc4f3879f0e1	20	#include "TFT_4DGL.h"
ms523	0:fc4f3879f0e1	21
ms523	0:fc4f3879f0e1	22	//****************************************************************************************************
ms523	0:fc4f3879f0e1	23	void TFT_4DGL :: set_font(char mode) { // set font size
ms523	0:fc4f3879f0e1	24	char command[2]= "";
ms523	0:fc4f3879f0e1	25
ms523	0:fc4f3879f0e1	26	int w, h, fx = 8, fy = 8;
ms523	0:fc4f3879f0e1	27
ms523	0:fc4f3879f0e1	28	command[0] = SETFONT;
ms523	0:fc4f3879f0e1	29	command[1] = mode;
ms523	0:fc4f3879f0e1	30
ms523	0:fc4f3879f0e1	31	current_font = mode;
ms523	0:fc4f3879f0e1	32
ms523	0:fc4f3879f0e1	33	if (current_orientation == IS_PORTRAIT) {
ms523	0:fc4f3879f0e1	34	w = SIZE_X;
ms523	0:fc4f3879f0e1	35	h = SIZE_Y;
ms523	0:fc4f3879f0e1	36	} else {
ms523	0:fc4f3879f0e1	37	w = SIZE_Y;
ms523	0:fc4f3879f0e1	38	h = SIZE_X;
ms523	0:fc4f3879f0e1	39	}
ms523	0:fc4f3879f0e1	40
ms523	0:fc4f3879f0e1	41	switch (mode) {
ms523	0:fc4f3879f0e1	42	case FONT_5X7 :
ms523	0:fc4f3879f0e1	43	fx = 6;
ms523	0:fc4f3879f0e1	44	fy = 8;
ms523	0:fc4f3879f0e1	45	break;
ms523	0:fc4f3879f0e1	46	case FONT_8X8 :
ms523	0:fc4f3879f0e1	47	fx = 8;
ms523	0:fc4f3879f0e1	48	fy = 8;
ms523	0:fc4f3879f0e1	49	break;
ms523	0:fc4f3879f0e1	50	case FONT_8X12 :
ms523	0:fc4f3879f0e1	51	fx = 8;
ms523	0:fc4f3879f0e1	52	fy = 12;
ms523	0:fc4f3879f0e1	53	break;
ms523	0:fc4f3879f0e1	54	case FONT_12X16 :
ms523	0:fc4f3879f0e1	55	fx = 12;
ms523	0:fc4f3879f0e1	56	fy = 16;
ms523	0:fc4f3879f0e1	57	break;
ms523	0:fc4f3879f0e1	58	}
ms523	0:fc4f3879f0e1	59
ms523	0:fc4f3879f0e1	60	max_col = w / fx;
ms523	0:fc4f3879f0e1	61	max_row = h / fy;
ms523	0:fc4f3879f0e1	62
ms523	0:fc4f3879f0e1	63	writeCOMMAND(command, 2);
ms523	0:fc4f3879f0e1	64	}
ms523	0:fc4f3879f0e1	65
ms523	0:fc4f3879f0e1	66	//****************************************************************************************************
ms523	0:fc4f3879f0e1	67	void TFT_4DGL :: text_mode(char mode) { // set text mode
ms523	0:fc4f3879f0e1	68	char command[2]= "";
ms523	0:fc4f3879f0e1	69
ms523	0:fc4f3879f0e1	70	command[0] = TEXTMODE;
ms523	0:fc4f3879f0e1	71	command[1] = mode;
ms523	0:fc4f3879f0e1	72
ms523	0:fc4f3879f0e1	73	writeCOMMAND(command, 2);
ms523	0:fc4f3879f0e1	74	}
ms523	0:fc4f3879f0e1	75
ms523	0:fc4f3879f0e1	76	//****************************************************************************************************
ms523	0:fc4f3879f0e1	77	void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
ms523	0:fc4f3879f0e1	78	char command[6]= "";
ms523	0:fc4f3879f0e1	79
ms523	0:fc4f3879f0e1	80	command[0] = TEXTCHAR;
ms523	0:fc4f3879f0e1	81
ms523	0:fc4f3879f0e1	82	command[1] = c;
ms523	0:fc4f3879f0e1	83	command[2] = col;
ms523	0:fc4f3879f0e1	84	command[3] = row;
ms523	0:fc4f3879f0e1	85
ms523	0:fc4f3879f0e1	86	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	87	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	88	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	89
ms523	0:fc4f3879f0e1	90	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	91	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	92
ms523	0:fc4f3879f0e1	93	writeCOMMAND(command, 8);
ms523	0:fc4f3879f0e1	94	}
ms523	0:fc4f3879f0e1	95
ms523	0:fc4f3879f0e1	96	//****************************************************************************************************
ms523	0:fc4f3879f0e1	97	void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
ms523	0:fc4f3879f0e1	98	char command[10]= "";
ms523	0:fc4f3879f0e1	99
ms523	0:fc4f3879f0e1	100	command[0] = GRAPHCHAR;
ms523	0:fc4f3879f0e1	101
ms523	0:fc4f3879f0e1	102	command[1] = c;
ms523	0:fc4f3879f0e1	103
ms523	0:fc4f3879f0e1	104	command[2] = (x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	105	command[3] = x & 0xFF;
ms523	0:fc4f3879f0e1	106
ms523	0:fc4f3879f0e1	107	command[4] = (y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	108	command[5] = y & 0xFF;
ms523	0:fc4f3879f0e1	109
ms523	0:fc4f3879f0e1	110	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	111	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	112	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	113
ms523	0:fc4f3879f0e1	114	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	115	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	116
ms523	0:fc4f3879f0e1	117	command[8] = width;
ms523	0:fc4f3879f0e1	118
ms523	0:fc4f3879f0e1	119	command[9] = height;
ms523	0:fc4f3879f0e1	120
ms523	0:fc4f3879f0e1	121	writeCOMMAND(command, 10);
ms523	0:fc4f3879f0e1	122	}
ms523	0:fc4f3879f0e1	123
ms523	0:fc4f3879f0e1	124	//****************************************************************************************************
ms523	0:fc4f3879f0e1	125	void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
ms523	0:fc4f3879f0e1	126
ms523	0:fc4f3879f0e1	127	char command[1000]= "";
ms523	0:fc4f3879f0e1	128	int size = strlen(s);
ms523	0:fc4f3879f0e1	129	int i = 0;
ms523	0:fc4f3879f0e1	130
ms523	0:fc4f3879f0e1	131	command[0] = TEXTSTRING;
ms523	0:fc4f3879f0e1	132
ms523	0:fc4f3879f0e1	133	command[1] = col;
ms523	0:fc4f3879f0e1	134	command[2] = row;
ms523	0:fc4f3879f0e1	135
ms523	0:fc4f3879f0e1	136	command[3] = font;
ms523	0:fc4f3879f0e1	137
ms523	0:fc4f3879f0e1	138	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	139	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	140	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	141
ms523	0:fc4f3879f0e1	142	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	143	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	144
ms523	0:fc4f3879f0e1	145	for (i=0; i<size; i++) command[6+i] = s[i];
ms523	0:fc4f3879f0e1	146
ms523	0:fc4f3879f0e1	147	command[6+size] = 0;
ms523	0:fc4f3879f0e1	148
ms523	0:fc4f3879f0e1	149	writeCOMMAND(command, 7 + size);
ms523	0:fc4f3879f0e1	150	}
ms523	0:fc4f3879f0e1	151
ms523	0:fc4f3879f0e1	152	//****************************************************************************************************
ms523	0:fc4f3879f0e1	153	void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string
ms523	0:fc4f3879f0e1	154
ms523	0:fc4f3879f0e1	155	char command[1000]= "";
ms523	0:fc4f3879f0e1	156	int size = strlen(s);
ms523	0:fc4f3879f0e1	157	int i = 0;
ms523	0:fc4f3879f0e1	158
ms523	0:fc4f3879f0e1	159	command[0] = GRAPHSTRING;
ms523	0:fc4f3879f0e1	160
ms523	0:fc4f3879f0e1	161	command[1] = (x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	162	command[2] = x & 0xFF;
ms523	0:fc4f3879f0e1	163
ms523	0:fc4f3879f0e1	164	command[3] = (y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	165	command[4] = y & 0xFF;
ms523	0:fc4f3879f0e1	166
ms523	0:fc4f3879f0e1	167	command[5] = font;
ms523	0:fc4f3879f0e1	168
ms523	0:fc4f3879f0e1	169	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	170	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	171	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	172
ms523	0:fc4f3879f0e1	173	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	174	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	175
ms523	0:fc4f3879f0e1	176	command[8] = width;
ms523	0:fc4f3879f0e1	177
ms523	0:fc4f3879f0e1	178	command[9] = height;
ms523	0:fc4f3879f0e1	179
ms523	0:fc4f3879f0e1	180	for (i=0; i<size; i++) command[10+i] = s[i];
ms523	0:fc4f3879f0e1	181
ms523	0:fc4f3879f0e1	182	command[10+size] = 0;
ms523	0:fc4f3879f0e1	183
ms523	0:fc4f3879f0e1	184	writeCOMMAND(command, 11 + size);
ms523	0:fc4f3879f0e1	185	}
ms523	0:fc4f3879f0e1	186
ms523	0:fc4f3879f0e1	187	//****************************************************************************************************
ms523	0:fc4f3879f0e1	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
ms523	0:fc4f3879f0e1	189
ms523	0:fc4f3879f0e1	190	char command[1000]= "";
ms523	0:fc4f3879f0e1	191	int size = strlen(s);
ms523	0:fc4f3879f0e1	192	int i = 0, red5, green6, blue5;
ms523	0:fc4f3879f0e1	193
ms523	0:fc4f3879f0e1	194	command[0] = TEXTBUTTON;
ms523	0:fc4f3879f0e1	195
ms523	0:fc4f3879f0e1	196	command[1] = mode;
ms523	0:fc4f3879f0e1	197
ms523	0:fc4f3879f0e1	198	command[2] = (x >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	199	command[3] = x & 0xFF;
ms523	0:fc4f3879f0e1	200
ms523	0:fc4f3879f0e1	201	command[4] = (y >> 8) & 0xFF;
ms523	0:fc4f3879f0e1	202	command[5] = y & 0xFF;
ms523	0:fc4f3879f0e1	203
ms523	0:fc4f3879f0e1	204	red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	205	green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	206	blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	207
ms523	0:fc4f3879f0e1	208	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	209	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	210
ms523	0:fc4f3879f0e1	211	command[8] = font;
ms523	0:fc4f3879f0e1	212
ms523	0:fc4f3879f0e1	213	red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
ms523	0:fc4f3879f0e1	214	green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
ms523	0:fc4f3879f0e1	215	blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
ms523	0:fc4f3879f0e1	216
ms523	0:fc4f3879f0e1	217	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
ms523	0:fc4f3879f0e1	218	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
ms523	0:fc4f3879f0e1	219
ms523	0:fc4f3879f0e1	220	command[11] = width;
ms523	0:fc4f3879f0e1	221
ms523	0:fc4f3879f0e1	222	command[12] = height;
ms523	0:fc4f3879f0e1	223
ms523	0:fc4f3879f0e1	224	for (i=0; i<size; i++) command[13+i] = s[i];
ms523	0:fc4f3879f0e1	225
ms523	0:fc4f3879f0e1	226	command[13+size] = 0;
ms523	0:fc4f3879f0e1	227
ms523	0:fc4f3879f0e1	228	writeCOMMAND(command, 14 + size);
ms523	0:fc4f3879f0e1	229	}
ms523	0:fc4f3879f0e1	230
ms523	0:fc4f3879f0e1	231	//****************************************************************************************************
ms523	0:fc4f3879f0e1	232	void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
ms523	0:fc4f3879f0e1	233	current_col = col;
ms523	0:fc4f3879f0e1	234	current_row = row;
ms523	0:fc4f3879f0e1	235	}
ms523	0:fc4f3879f0e1	236
ms523	0:fc4f3879f0e1	237	//****************************************************************************************************
ms523	0:fc4f3879f0e1	238	void TFT_4DGL :: color(int color) { // set text color
ms523	0:fc4f3879f0e1	239	current_color = color;
ms523	0:fc4f3879f0e1	240	}
ms523	0:fc4f3879f0e1	241
ms523	0:fc4f3879f0e1	242	//****************************************************************************************************
ms523	0:fc4f3879f0e1	243	void TFT_4DGL :: putc(char c) { // place char at current cursor position
ms523	0:fc4f3879f0e1	244
ms523	0:fc4f3879f0e1	245	text_char(c, current_col++, current_row, current_color);
ms523	0:fc4f3879f0e1	246
ms523	0:fc4f3879f0e1	247	if (current_col == max_col) {
ms523	0:fc4f3879f0e1	248	current_col = 0;
ms523	0:fc4f3879f0e1	249	current_row++;
ms523	0:fc4f3879f0e1	250	}
ms523	0:fc4f3879f0e1	251	if (current_row == max_row) {
ms523	0:fc4f3879f0e1	252	current_row = 0;
ms523	0:fc4f3879f0e1	253	}
ms523	0:fc4f3879f0e1	254	}
ms523	0:fc4f3879f0e1	255
ms523	0:fc4f3879f0e1	256	//****************************************************************************************************
ms523	0:fc4f3879f0e1	257	void TFT_4DGL :: puts(char *s) { // place string at current cursor position
ms523	0:fc4f3879f0e1	258
ms523	0:fc4f3879f0e1	259	text_string(s, current_col, current_row, current_font, current_color);
ms523	0:fc4f3879f0e1	260
ms523	0:fc4f3879f0e1	261	current_col += strlen(s);
ms523	0:fc4f3879f0e1	262
ms523	0:fc4f3879f0e1	263	if (current_col >= max_col) {
ms523	0:fc4f3879f0e1	264	current_row += current_col / max_col;
ms523	0:fc4f3879f0e1	265	current_col %= max_col;
ms523	0:fc4f3879f0e1	266	}
ms523	0:fc4f3879f0e1	267	if (current_row >= max_row) {
ms523	0:fc4f3879f0e1	268	current_row %= max_row;
ms523	0:fc4f3879f0e1	269	}
ms523	0:fc4f3879f0e1	270	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	03 Oct 2010
Imports:	89
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

TFT_4DGL_Text.cpp@0:fc4f3879f0e1, 2010-10-03 (annotated)

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