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TFT_4DGL_Text.cpp@0:e3b22c15d05a, 2011-01-15 (annotated)

Committer:: JLS
Date:: Sat Jan 15 20:23:44 2011 +0000
Revision:: 0:e3b22c15d05a

Who changed what in which revision?

User	Revision	Line number	New contents of line
JLS	0:e3b22c15d05a	1	//
JLS	0:e3b22c15d05a	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
JLS	0:e3b22c15d05a	3	//
JLS	0:e3b22c15d05a	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
JLS	0:e3b22c15d05a	5	//
JLS	0:e3b22c15d05a	6	// TFT_4DGL is free software: you can redistribute it and/or modify
JLS	0:e3b22c15d05a	7	// it under the terms of the GNU General Public License as published by
JLS	0:e3b22c15d05a	8	// the Free Software Foundation, either version 3 of the License, or
JLS	0:e3b22c15d05a	9	// (at your option) any later version.
JLS	0:e3b22c15d05a	10	//
JLS	0:e3b22c15d05a	11	// TFT_4DGL is distributed in the hope that it will be useful,
JLS	0:e3b22c15d05a	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
JLS	0:e3b22c15d05a	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
JLS	0:e3b22c15d05a	14	// GNU General Public License for more details.
JLS	0:e3b22c15d05a	15	//
JLS	0:e3b22c15d05a	16	// You should have received a copy of the GNU General Public License
JLS	0:e3b22c15d05a	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
JLS	0:e3b22c15d05a	18
JLS	0:e3b22c15d05a	19	#include "mbed.h"
JLS	0:e3b22c15d05a	20	#include "TFT_4DGL.h"
JLS	0:e3b22c15d05a	21
JLS	0:e3b22c15d05a	22	//****************************************************************************************************
JLS	0:e3b22c15d05a	23	void TFT_4DGL :: set_font(char mode) { // set font size
JLS	0:e3b22c15d05a	24	char command[2]= "";
JLS	0:e3b22c15d05a	25
JLS	0:e3b22c15d05a	26	int w, h, fx = 8, fy = 8;
JLS	0:e3b22c15d05a	27
JLS	0:e3b22c15d05a	28	command[0] = SETFONT;
JLS	0:e3b22c15d05a	29	command[1] = mode;
JLS	0:e3b22c15d05a	30
JLS	0:e3b22c15d05a	31	current_font = mode;
JLS	0:e3b22c15d05a	32
JLS	0:e3b22c15d05a	33	if (current_orientation == IS_PORTRAIT) {
JLS	0:e3b22c15d05a	34	w = SIZE_X;
JLS	0:e3b22c15d05a	35	h = SIZE_Y;
JLS	0:e3b22c15d05a	36	} else {
JLS	0:e3b22c15d05a	37	w = SIZE_Y;
JLS	0:e3b22c15d05a	38	h = SIZE_X;
JLS	0:e3b22c15d05a	39	}
JLS	0:e3b22c15d05a	40
JLS	0:e3b22c15d05a	41	switch (mode) {
JLS	0:e3b22c15d05a	42	case FONT_5X7 :
JLS	0:e3b22c15d05a	43	fx = 6;
JLS	0:e3b22c15d05a	44	fy = 8;
JLS	0:e3b22c15d05a	45	break;
JLS	0:e3b22c15d05a	46	case FONT_8X8 :
JLS	0:e3b22c15d05a	47	fx = 8;
JLS	0:e3b22c15d05a	48	fy = 8;
JLS	0:e3b22c15d05a	49	break;
JLS	0:e3b22c15d05a	50	case FONT_8X12 :
JLS	0:e3b22c15d05a	51	fx = 8;
JLS	0:e3b22c15d05a	52	fy = 12;
JLS	0:e3b22c15d05a	53	break;
JLS	0:e3b22c15d05a	54	case FONT_12X16 :
JLS	0:e3b22c15d05a	55	fx = 12;
JLS	0:e3b22c15d05a	56	fy = 16;
JLS	0:e3b22c15d05a	57	break;
JLS	0:e3b22c15d05a	58	}
JLS	0:e3b22c15d05a	59
JLS	0:e3b22c15d05a	60	max_col = w / fx;
JLS	0:e3b22c15d05a	61	max_row = h / fy;
JLS	0:e3b22c15d05a	62
JLS	0:e3b22c15d05a	63	writeCOMMAND(command, 2);
JLS	0:e3b22c15d05a	64	}
JLS	0:e3b22c15d05a	65
JLS	0:e3b22c15d05a	66	//****************************************************************************************************
JLS	0:e3b22c15d05a	67	void TFT_4DGL :: text_mode(char mode) { // set text mode
JLS	0:e3b22c15d05a	68	char command[2]= "";
JLS	0:e3b22c15d05a	69
JLS	0:e3b22c15d05a	70	command[0] = TEXTMODE;
JLS	0:e3b22c15d05a	71	command[1] = mode;
JLS	0:e3b22c15d05a	72
JLS	0:e3b22c15d05a	73	writeCOMMAND(command, 2);
JLS	0:e3b22c15d05a	74	}
JLS	0:e3b22c15d05a	75
JLS	0:e3b22c15d05a	76	//****************************************************************************************************
JLS	0:e3b22c15d05a	77	void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
JLS	0:e3b22c15d05a	78	char command[6]= "";
JLS	0:e3b22c15d05a	79
JLS	0:e3b22c15d05a	80	command[0] = TEXTCHAR;
JLS	0:e3b22c15d05a	81
JLS	0:e3b22c15d05a	82	command[1] = c;
JLS	0:e3b22c15d05a	83	command[2] = col;
JLS	0:e3b22c15d05a	84	command[3] = row;
JLS	0:e3b22c15d05a	85
JLS	0:e3b22c15d05a	86	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:e3b22c15d05a	87	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:e3b22c15d05a	88	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:e3b22c15d05a	89
JLS	0:e3b22c15d05a	90	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:e3b22c15d05a	91	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:e3b22c15d05a	92
JLS	0:e3b22c15d05a	93	writeCOMMAND(command, 8);
JLS	0:e3b22c15d05a	94	}
JLS	0:e3b22c15d05a	95
JLS	0:e3b22c15d05a	96	//****************************************************************************************************
JLS	0:e3b22c15d05a	97	void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
JLS	0:e3b22c15d05a	98	char command[10]= "";
JLS	0:e3b22c15d05a	99
JLS	0:e3b22c15d05a	100	command[0] = GRAPHCHAR;
JLS	0:e3b22c15d05a	101
JLS	0:e3b22c15d05a	102	command[1] = c;
JLS	0:e3b22c15d05a	103
JLS	0:e3b22c15d05a	104	command[2] = (x >> 8) & 0xFF;
JLS	0:e3b22c15d05a	105	command[3] = x & 0xFF;
JLS	0:e3b22c15d05a	106
JLS	0:e3b22c15d05a	107	command[4] = (y >> 8) & 0xFF;
JLS	0:e3b22c15d05a	108	command[5] = y & 0xFF;
JLS	0:e3b22c15d05a	109
JLS	0:e3b22c15d05a	110	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:e3b22c15d05a	111	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:e3b22c15d05a	112	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:e3b22c15d05a	113
JLS	0:e3b22c15d05a	114	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:e3b22c15d05a	115	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:e3b22c15d05a	116
JLS	0:e3b22c15d05a	117	command[8] = width;
JLS	0:e3b22c15d05a	118
JLS	0:e3b22c15d05a	119	command[9] = height;
JLS	0:e3b22c15d05a	120
JLS	0:e3b22c15d05a	121	writeCOMMAND(command, 10);
JLS	0:e3b22c15d05a	122	}
JLS	0:e3b22c15d05a	123
JLS	0:e3b22c15d05a	124	//****************************************************************************************************
JLS	0:e3b22c15d05a	125	void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
JLS	0:e3b22c15d05a	126
JLS	0:e3b22c15d05a	127	char command[1000]= "";
JLS	0:e3b22c15d05a	128	int size = strlen(s);
JLS	0:e3b22c15d05a	129	int i = 0;
JLS	0:e3b22c15d05a	130
JLS	0:e3b22c15d05a	131	command[0] = TEXTSTRING;
JLS	0:e3b22c15d05a	132
JLS	0:e3b22c15d05a	133	command[1] = col;
JLS	0:e3b22c15d05a	134	command[2] = row;
JLS	0:e3b22c15d05a	135
JLS	0:e3b22c15d05a	136	command[3] = font;
JLS	0:e3b22c15d05a	137
JLS	0:e3b22c15d05a	138	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:e3b22c15d05a	139	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:e3b22c15d05a	140	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:e3b22c15d05a	141
JLS	0:e3b22c15d05a	142	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:e3b22c15d05a	143	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:e3b22c15d05a	144
JLS	0:e3b22c15d05a	145	for (i=0; i<size; i++) command[6+i] = s[i];
JLS	0:e3b22c15d05a	146
JLS	0:e3b22c15d05a	147	command[6+size] = 0;
JLS	0:e3b22c15d05a	148
JLS	0:e3b22c15d05a	149	writeCOMMAND(command, 7 + size);
JLS	0:e3b22c15d05a	150	}
JLS	0:e3b22c15d05a	151
JLS	0:e3b22c15d05a	152	//****************************************************************************************************
JLS	0:e3b22c15d05a	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:e3b22c15d05a	154
JLS	0:e3b22c15d05a	155	char command[1000]= "";
JLS	0:e3b22c15d05a	156	int size = strlen(s);
JLS	0:e3b22c15d05a	157	int i = 0;
JLS	0:e3b22c15d05a	158
JLS	0:e3b22c15d05a	159	command[0] = GRAPHSTRING;
JLS	0:e3b22c15d05a	160
JLS	0:e3b22c15d05a	161	command[1] = (x >> 8) & 0xFF;
JLS	0:e3b22c15d05a	162	command[2] = x & 0xFF;
JLS	0:e3b22c15d05a	163
JLS	0:e3b22c15d05a	164	command[3] = (y >> 8) & 0xFF;
JLS	0:e3b22c15d05a	165	command[4] = y & 0xFF;
JLS	0:e3b22c15d05a	166
JLS	0:e3b22c15d05a	167	command[5] = font;
JLS	0:e3b22c15d05a	168
JLS	0:e3b22c15d05a	169	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:e3b22c15d05a	170	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:e3b22c15d05a	171	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:e3b22c15d05a	172
JLS	0:e3b22c15d05a	173	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:e3b22c15d05a	174	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:e3b22c15d05a	175
JLS	0:e3b22c15d05a	176	command[8] = width;
JLS	0:e3b22c15d05a	177
JLS	0:e3b22c15d05a	178	command[9] = height;
JLS	0:e3b22c15d05a	179
JLS	0:e3b22c15d05a	180	for (i=0; i<size; i++) command[10+i] = s[i];
JLS	0:e3b22c15d05a	181
JLS	0:e3b22c15d05a	182	command[10+size] = 0;
JLS	0:e3b22c15d05a	183
JLS	0:e3b22c15d05a	184	writeCOMMAND(command, 11 + size);
JLS	0:e3b22c15d05a	185	}
JLS	0:e3b22c15d05a	186
JLS	0:e3b22c15d05a	187	//****************************************************************************************************
JLS	0:e3b22c15d05a	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:e3b22c15d05a	189
JLS	0:e3b22c15d05a	190	char command[1000]= "";
JLS	0:e3b22c15d05a	191	int size = strlen(s);
JLS	0:e3b22c15d05a	192	int i = 0, red5, green6, blue5;
JLS	0:e3b22c15d05a	193
JLS	0:e3b22c15d05a	194	command[0] = TEXTBUTTON;
JLS	0:e3b22c15d05a	195
JLS	0:e3b22c15d05a	196	command[1] = mode;
JLS	0:e3b22c15d05a	197
JLS	0:e3b22c15d05a	198	command[2] = (x >> 8) & 0xFF;
JLS	0:e3b22c15d05a	199	command[3] = x & 0xFF;
JLS	0:e3b22c15d05a	200
JLS	0:e3b22c15d05a	201	command[4] = (y >> 8) & 0xFF;
JLS	0:e3b22c15d05a	202	command[5] = y & 0xFF;
JLS	0:e3b22c15d05a	203
JLS	0:e3b22c15d05a	204	red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:e3b22c15d05a	205	green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:e3b22c15d05a	206	blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:e3b22c15d05a	207
JLS	0:e3b22c15d05a	208	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:e3b22c15d05a	209	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:e3b22c15d05a	210
JLS	0:e3b22c15d05a	211	command[8] = font;
JLS	0:e3b22c15d05a	212
JLS	0:e3b22c15d05a	213	red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
JLS	0:e3b22c15d05a	214	green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
JLS	0:e3b22c15d05a	215	blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
JLS	0:e3b22c15d05a	216
JLS	0:e3b22c15d05a	217	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
JLS	0:e3b22c15d05a	218	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
JLS	0:e3b22c15d05a	219
JLS	0:e3b22c15d05a	220	command[11] = width;
JLS	0:e3b22c15d05a	221
JLS	0:e3b22c15d05a	222	command[12] = height;
JLS	0:e3b22c15d05a	223
JLS	0:e3b22c15d05a	224	for (i=0; i<size; i++) command[13+i] = s[i];
JLS	0:e3b22c15d05a	225
JLS	0:e3b22c15d05a	226	command[13+size] = 0;
JLS	0:e3b22c15d05a	227
JLS	0:e3b22c15d05a	228	writeCOMMAND(command, 14 + size);
JLS	0:e3b22c15d05a	229	}
JLS	0:e3b22c15d05a	230
JLS	0:e3b22c15d05a	231	//****************************************************************************************************
JLS	0:e3b22c15d05a	232	void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
JLS	0:e3b22c15d05a	233	current_col = col;
JLS	0:e3b22c15d05a	234	current_row = row;
JLS	0:e3b22c15d05a	235	}
JLS	0:e3b22c15d05a	236
JLS	0:e3b22c15d05a	237	//****************************************************************************************************
JLS	0:e3b22c15d05a	238	void TFT_4DGL :: color(int color) { // set text color
JLS	0:e3b22c15d05a	239	current_color = color;
JLS	0:e3b22c15d05a	240	}
JLS	0:e3b22c15d05a	241
JLS	0:e3b22c15d05a	242	//****************************************************************************************************
JLS	0:e3b22c15d05a	243	void TFT_4DGL :: putc(char c) { // place char at current cursor position
JLS	0:e3b22c15d05a	244
JLS	0:e3b22c15d05a	245	text_char(c, current_col++, current_row, current_color);
JLS	0:e3b22c15d05a	246
JLS	0:e3b22c15d05a	247	if (current_col == max_col) {
JLS	0:e3b22c15d05a	248	current_col = 0;
JLS	0:e3b22c15d05a	249	current_row++;
JLS	0:e3b22c15d05a	250	}
JLS	0:e3b22c15d05a	251	if (current_row == max_row) {
JLS	0:e3b22c15d05a	252	current_row = 0;
JLS	0:e3b22c15d05a	253	}
JLS	0:e3b22c15d05a	254	}
JLS	0:e3b22c15d05a	255
JLS	0:e3b22c15d05a	256	//****************************************************************************************************
JLS	0:e3b22c15d05a	257	void TFT_4DGL :: puts(char *s) { // place string at current cursor position
JLS	0:e3b22c15d05a	258
JLS	0:e3b22c15d05a	259	text_string(s, current_col, current_row, current_font, current_color);
JLS	0:e3b22c15d05a	260
JLS	0:e3b22c15d05a	261	current_col += strlen(s);
JLS	0:e3b22c15d05a	262
JLS	0:e3b22c15d05a	263	if (current_col >= max_col) {
JLS	0:e3b22c15d05a	264	current_row += current_col / max_col;
JLS	0:e3b22c15d05a	265	current_col %= max_col;
JLS	0:e3b22c15d05a	266	}
JLS	0:e3b22c15d05a	267	if (current_row >= max_row) {
JLS	0:e3b22c15d05a	268	current_row %= max_row;
JLS	0:e3b22c15d05a	269	}
JLS	0:e3b22c15d05a	270	}

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	15 Jan 2011
Imports:	1
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	1

TFT_4DGL_Text.cpp@0:e3b22c15d05a, 2011-01-15 (annotated)

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