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TFT_4DGL_Text.cpp@0:1c4e0927d6e3, 2011-01-01 (annotated)

Committer:: JLS
Date:: Sat Jan 01 12:47:14 2011 +0000
Revision:: 0:1c4e0927d6e3

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User	Revision	Line number	New contents of line
JLS	0:1c4e0927d6e3	1	//
JLS	0:1c4e0927d6e3	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:1c4e0927d6e3	3	//
JLS	0:1c4e0927d6e3	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:1c4e0927d6e3	5	//
JLS	0:1c4e0927d6e3	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:1c4e0927d6e3	7	// it under the terms of the GNU General Public License as published by
JLS	0:1c4e0927d6e3	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:1c4e0927d6e3	9	// (at your option) any later version.
JLS	0:1c4e0927d6e3	10	//
JLS	0:1c4e0927d6e3	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:1c4e0927d6e3	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:1c4e0927d6e3	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:1c4e0927d6e3	14	// GNU General Public License for more details.
JLS	0:1c4e0927d6e3	15	//
JLS	0:1c4e0927d6e3	16	// You should have received a copy of the GNU General Public License
JLS	0:1c4e0927d6e3	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:1c4e0927d6e3	18
JLS	0:1c4e0927d6e3	19	#include "mbed.h"
JLS	0:1c4e0927d6e3	20	#include "TFT_4DGL.h"
JLS	0:1c4e0927d6e3	21
JLS	0:1c4e0927d6e3	22	//****************************************************************************************************
JLS	0:1c4e0927d6e3	23	void TFT_4DGL :: set_font(char mode) { // set font size
JLS	0:1c4e0927d6e3	24	char command[2]= "";
JLS	0:1c4e0927d6e3	25
JLS	0:1c4e0927d6e3	26	int w, h, fx = 8, fy = 8;
JLS	0:1c4e0927d6e3	27
JLS	0:1c4e0927d6e3	28	command[0] = SETFONT;
JLS	0:1c4e0927d6e3	29	command[1] = mode;
JLS	0:1c4e0927d6e3	30
JLS	0:1c4e0927d6e3	31	current_font = mode;
JLS	0:1c4e0927d6e3	32
JLS	0:1c4e0927d6e3	33	if (current_orientation == IS_PORTRAIT) {
JLS	0:1c4e0927d6e3	34	w = SIZE_X;
JLS	0:1c4e0927d6e3	35	h = SIZE_Y;
JLS	0:1c4e0927d6e3	36	} else {
JLS	0:1c4e0927d6e3	37	w = SIZE_Y;
JLS	0:1c4e0927d6e3	38	h = SIZE_X;
JLS	0:1c4e0927d6e3	39	}
JLS	0:1c4e0927d6e3	40
JLS	0:1c4e0927d6e3	41	switch (mode) {
JLS	0:1c4e0927d6e3	42	case FONT_5X7 :
JLS	0:1c4e0927d6e3	43	fx = 6;
JLS	0:1c4e0927d6e3	44	fy = 8;
JLS	0:1c4e0927d6e3	45	break;
JLS	0:1c4e0927d6e3	46	case FONT_8X8 :
JLS	0:1c4e0927d6e3	47	fx = 8;
JLS	0:1c4e0927d6e3	48	fy = 8;
JLS	0:1c4e0927d6e3	49	break;
JLS	0:1c4e0927d6e3	50	case FONT_8X12 :
JLS	0:1c4e0927d6e3	51	fx = 8;
JLS	0:1c4e0927d6e3	52	fy = 12;
JLS	0:1c4e0927d6e3	53	break;
JLS	0:1c4e0927d6e3	54	case FONT_12X16 :
JLS	0:1c4e0927d6e3	55	fx = 12;
JLS	0:1c4e0927d6e3	56	fy = 16;
JLS	0:1c4e0927d6e3	57	break;
JLS	0:1c4e0927d6e3	58	}
JLS	0:1c4e0927d6e3	59
JLS	0:1c4e0927d6e3	60	max_col = w / fx;
JLS	0:1c4e0927d6e3	61	max_row = h / fy;
JLS	0:1c4e0927d6e3	62
JLS	0:1c4e0927d6e3	63	writeCOMMAND(command, 2);
JLS	0:1c4e0927d6e3	64	}
JLS	0:1c4e0927d6e3	65
JLS	0:1c4e0927d6e3	66	//****************************************************************************************************
JLS	0:1c4e0927d6e3	67	void TFT_4DGL :: text_mode(char mode) { // set text mode
JLS	0:1c4e0927d6e3	68	char command[2]= "";
JLS	0:1c4e0927d6e3	69
JLS	0:1c4e0927d6e3	70	command[0] = TEXTMODE;
JLS	0:1c4e0927d6e3	71	command[1] = mode;
JLS	0:1c4e0927d6e3	72
JLS	0:1c4e0927d6e3	73	writeCOMMAND(command, 2);
JLS	0:1c4e0927d6e3	74	}
JLS	0:1c4e0927d6e3	75
JLS	0:1c4e0927d6e3	76	//****************************************************************************************************
JLS	0:1c4e0927d6e3	77	void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
JLS	0:1c4e0927d6e3	78	char command[6]= "";
JLS	0:1c4e0927d6e3	79
JLS	0:1c4e0927d6e3	80	command[0] = TEXTCHAR;
JLS	0:1c4e0927d6e3	81
JLS	0:1c4e0927d6e3	82	command[1] = c;
JLS	0:1c4e0927d6e3	83	command[2] = col;
JLS	0:1c4e0927d6e3	84	command[3] = row;
JLS	0:1c4e0927d6e3	85
JLS	0:1c4e0927d6e3	86	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:1c4e0927d6e3	87	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:1c4e0927d6e3	88	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:1c4e0927d6e3	89
JLS	0:1c4e0927d6e3	90	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:1c4e0927d6e3	91	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:1c4e0927d6e3	92
JLS	0:1c4e0927d6e3	93	writeCOMMAND(command, 8);
JLS	0:1c4e0927d6e3	94	}
JLS	0:1c4e0927d6e3	95
JLS	0:1c4e0927d6e3	96	//****************************************************************************************************
JLS	0:1c4e0927d6e3	97	void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
JLS	0:1c4e0927d6e3	98	char command[10]= "";
JLS	0:1c4e0927d6e3	99
JLS	0:1c4e0927d6e3	100	command[0] = GRAPHCHAR;
JLS	0:1c4e0927d6e3	101
JLS	0:1c4e0927d6e3	102	command[1] = c;
JLS	0:1c4e0927d6e3	103
JLS	0:1c4e0927d6e3	104	command[2] = (x >> 8) & 0xFF;
JLS	0:1c4e0927d6e3	105	command[3] = x & 0xFF;
JLS	0:1c4e0927d6e3	106
JLS	0:1c4e0927d6e3	107	command[4] = (y >> 8) & 0xFF;
JLS	0:1c4e0927d6e3	108	command[5] = y & 0xFF;
JLS	0:1c4e0927d6e3	109
JLS	0:1c4e0927d6e3	110	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:1c4e0927d6e3	111	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:1c4e0927d6e3	112	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:1c4e0927d6e3	113
JLS	0:1c4e0927d6e3	114	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:1c4e0927d6e3	115	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:1c4e0927d6e3	116
JLS	0:1c4e0927d6e3	117	command[8] = width;
JLS	0:1c4e0927d6e3	118
JLS	0:1c4e0927d6e3	119	command[9] = height;
JLS	0:1c4e0927d6e3	120
JLS	0:1c4e0927d6e3	121	writeCOMMAND(command, 10);
JLS	0:1c4e0927d6e3	122	}
JLS	0:1c4e0927d6e3	123
JLS	0:1c4e0927d6e3	124	//****************************************************************************************************
JLS	0:1c4e0927d6e3	125	void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
JLS	0:1c4e0927d6e3	126
JLS	0:1c4e0927d6e3	127	char command[1000]= "";
JLS	0:1c4e0927d6e3	128	int size = strlen(s);
JLS	0:1c4e0927d6e3	129	int i = 0;
JLS	0:1c4e0927d6e3	130
JLS	0:1c4e0927d6e3	131	command[0] = TEXTSTRING;
JLS	0:1c4e0927d6e3	132
JLS	0:1c4e0927d6e3	133	command[1] = col;
JLS	0:1c4e0927d6e3	134	command[2] = row;
JLS	0:1c4e0927d6e3	135
JLS	0:1c4e0927d6e3	136	command[3] = font;
JLS	0:1c4e0927d6e3	137
JLS	0:1c4e0927d6e3	138	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:1c4e0927d6e3	139	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:1c4e0927d6e3	140	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:1c4e0927d6e3	141
JLS	0:1c4e0927d6e3	142	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:1c4e0927d6e3	143	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:1c4e0927d6e3	144
JLS	0:1c4e0927d6e3	145	for (i=0; i<size; i++) command[6+i] = s[i];
JLS	0:1c4e0927d6e3	146
JLS	0:1c4e0927d6e3	147	command[6+size] = 0;
JLS	0:1c4e0927d6e3	148
JLS	0:1c4e0927d6e3	149	writeCOMMAND(command, 7 + size);
JLS	0:1c4e0927d6e3	150	}
JLS	0:1c4e0927d6e3	151
JLS	0:1c4e0927d6e3	152	//****************************************************************************************************
JLS	0:1c4e0927d6e3	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	0:1c4e0927d6e3	154
JLS	0:1c4e0927d6e3	155	char command[1000]= "";
JLS	0:1c4e0927d6e3	156	int size = strlen(s);
JLS	0:1c4e0927d6e3	157	int i = 0;
JLS	0:1c4e0927d6e3	158
JLS	0:1c4e0927d6e3	159	command[0] = GRAPHSTRING;
JLS	0:1c4e0927d6e3	160
JLS	0:1c4e0927d6e3	161	command[1] = (x >> 8) & 0xFF;
JLS	0:1c4e0927d6e3	162	command[2] = x & 0xFF;
JLS	0:1c4e0927d6e3	163
JLS	0:1c4e0927d6e3	164	command[3] = (y >> 8) & 0xFF;
JLS	0:1c4e0927d6e3	165	command[4] = y & 0xFF;
JLS	0:1c4e0927d6e3	166
JLS	0:1c4e0927d6e3	167	command[5] = font;
JLS	0:1c4e0927d6e3	168
JLS	0:1c4e0927d6e3	169	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:1c4e0927d6e3	170	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:1c4e0927d6e3	171	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:1c4e0927d6e3	172
JLS	0:1c4e0927d6e3	173	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:1c4e0927d6e3	174	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:1c4e0927d6e3	175
JLS	0:1c4e0927d6e3	176	command[8] = width;
JLS	0:1c4e0927d6e3	177
JLS	0:1c4e0927d6e3	178	command[9] = height;
JLS	0:1c4e0927d6e3	179
JLS	0:1c4e0927d6e3	180	for (i=0; i<size; i++) command[10+i] = s[i];
JLS	0:1c4e0927d6e3	181
JLS	0:1c4e0927d6e3	182	command[10+size] = 0;
JLS	0:1c4e0927d6e3	183
JLS	0:1c4e0927d6e3	184	writeCOMMAND(command, 11 + size);
JLS	0:1c4e0927d6e3	185	}
JLS	0:1c4e0927d6e3	186
JLS	0:1c4e0927d6e3	187	//****************************************************************************************************
JLS	0:1c4e0927d6e3	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	0:1c4e0927d6e3	189
JLS	0:1c4e0927d6e3	190	char command[1000]= "";
JLS	0:1c4e0927d6e3	191	int size = strlen(s);
JLS	0:1c4e0927d6e3	192	int i = 0, red5, green6, blue5;
JLS	0:1c4e0927d6e3	193
JLS	0:1c4e0927d6e3	194	command[0] = TEXTBUTTON;
JLS	0:1c4e0927d6e3	195
JLS	0:1c4e0927d6e3	196	command[1] = mode;
JLS	0:1c4e0927d6e3	197
JLS	0:1c4e0927d6e3	198	command[2] = (x >> 8) & 0xFF;
JLS	0:1c4e0927d6e3	199	command[3] = x & 0xFF;
JLS	0:1c4e0927d6e3	200
JLS	0:1c4e0927d6e3	201	command[4] = (y >> 8) & 0xFF;
JLS	0:1c4e0927d6e3	202	command[5] = y & 0xFF;
JLS	0:1c4e0927d6e3	203
JLS	0:1c4e0927d6e3	204	red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:1c4e0927d6e3	205	green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:1c4e0927d6e3	206	blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:1c4e0927d6e3	207
JLS	0:1c4e0927d6e3	208	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:1c4e0927d6e3	209	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:1c4e0927d6e3	210
JLS	0:1c4e0927d6e3	211	command[8] = font;
JLS	0:1c4e0927d6e3	212
JLS	0:1c4e0927d6e3	213	red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:1c4e0927d6e3	214	green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:1c4e0927d6e3	215	blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:1c4e0927d6e3	216
JLS	0:1c4e0927d6e3	217	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:1c4e0927d6e3	218	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:1c4e0927d6e3	219
JLS	0:1c4e0927d6e3	220	command[11] = width;
JLS	0:1c4e0927d6e3	221
JLS	0:1c4e0927d6e3	222	command[12] = height;
JLS	0:1c4e0927d6e3	223
JLS	0:1c4e0927d6e3	224	for (i=0; i<size; i++) command[13+i] = s[i];
JLS	0:1c4e0927d6e3	225
JLS	0:1c4e0927d6e3	226	command[13+size] = 0;
JLS	0:1c4e0927d6e3	227
JLS	0:1c4e0927d6e3	228	writeCOMMAND(command, 14 + size);
JLS	0:1c4e0927d6e3	229	}
JLS	0:1c4e0927d6e3	230
JLS	0:1c4e0927d6e3	231	//****************************************************************************************************
JLS	0:1c4e0927d6e3	232	void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
JLS	0:1c4e0927d6e3	233	current_col = col;
JLS	0:1c4e0927d6e3	234	current_row = row;
JLS	0:1c4e0927d6e3	235	}
JLS	0:1c4e0927d6e3	236
JLS	0:1c4e0927d6e3	237	//****************************************************************************************************
JLS	0:1c4e0927d6e3	238	void TFT_4DGL :: color(int color) { // set text color
JLS	0:1c4e0927d6e3	239	current_color = color;
JLS	0:1c4e0927d6e3	240	}
JLS	0:1c4e0927d6e3	241
JLS	0:1c4e0927d6e3	242	//****************************************************************************************************
JLS	0:1c4e0927d6e3	243	void TFT_4DGL :: putc(char c) { // place char at current cursor position
JLS	0:1c4e0927d6e3	244
JLS	0:1c4e0927d6e3	245	text_char(c, current_col++, current_row, current_color);
JLS	0:1c4e0927d6e3	246
JLS	0:1c4e0927d6e3	247	if (current_col == max_col) {
JLS	0:1c4e0927d6e3	248	current_col = 0;
JLS	0:1c4e0927d6e3	249	current_row++;
JLS	0:1c4e0927d6e3	250	}
JLS	0:1c4e0927d6e3	251	if (current_row == max_row) {
JLS	0:1c4e0927d6e3	252	current_row = 0;
JLS	0:1c4e0927d6e3	253	}
JLS	0:1c4e0927d6e3	254	}
JLS	0:1c4e0927d6e3	255
JLS	0:1c4e0927d6e3	256	//****************************************************************************************************
JLS	0:1c4e0927d6e3	257	void TFT_4DGL :: puts(char *s) { // place string at current cursor position
JLS	0:1c4e0927d6e3	258
JLS	0:1c4e0927d6e3	259	text_string(s, current_col, current_row, current_font, current_color);
JLS	0:1c4e0927d6e3	260
JLS	0:1c4e0927d6e3	261	current_col += strlen(s);
JLS	0:1c4e0927d6e3	262
JLS	0:1c4e0927d6e3	263	if (current_col >= max_col) {
JLS	0:1c4e0927d6e3	264	current_row += current_col / max_col;
JLS	0:1c4e0927d6e3	265	current_col %= max_col;
JLS	0:1c4e0927d6e3	266	}
JLS	0:1c4e0927d6e3	267	if (current_row >= max_row) {
JLS	0:1c4e0927d6e3	268	current_row %= max_row;
JLS	0:1c4e0927d6e3	269	}
JLS	0:1c4e0927d6e3	270	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	01 Jan 2011
Imports:	1
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	0
Followers:	1

TFT_4DGL_Text.cpp@0:1c4e0927d6e3, 2011-01-01 (annotated)

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