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This library is the modified library of 4DGL by Stephane ROCHON <stephane.rochon at free.fr> modified at drawImage() by Kazushi Mukaiyama <i@kazushi.info>

TFT_4DGL_Text.cpp@0:c2aeac7c2d15, 2010-10-29 (annotated)

Committer:: kazushi2008
Date:: Fri Oct 29 02:26:05 2010 +0000
Revision:: 0:c2aeac7c2d15

Who changed what in which revision?

User	Revision	Line number	New contents of line
kazushi2008	0:c2aeac7c2d15	1	//
kazushi2008	0:c2aeac7c2d15	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
kazushi2008	0:c2aeac7c2d15	3	//
kazushi2008	0:c2aeac7c2d15	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
kazushi2008	0:c2aeac7c2d15	5	//
kazushi2008	0:c2aeac7c2d15	6	// TFT_4DGL is free software: you can redistribute it and/or modify
kazushi2008	0:c2aeac7c2d15	7	// it under the terms of the GNU General Public License as published by
kazushi2008	0:c2aeac7c2d15	8	// the Free Software Foundation, either version 3 of the License, or
kazushi2008	0:c2aeac7c2d15	9	// (at your option) any later version.
kazushi2008	0:c2aeac7c2d15	10	//
kazushi2008	0:c2aeac7c2d15	11	// TFT_4DGL is distributed in the hope that it will be useful,
kazushi2008	0:c2aeac7c2d15	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
kazushi2008	0:c2aeac7c2d15	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
kazushi2008	0:c2aeac7c2d15	14	// GNU General Public License for more details.
kazushi2008	0:c2aeac7c2d15	15	//
kazushi2008	0:c2aeac7c2d15	16	// You should have received a copy of the GNU General Public License
kazushi2008	0:c2aeac7c2d15	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
kazushi2008	0:c2aeac7c2d15	18
kazushi2008	0:c2aeac7c2d15	19	#include "mbed.h"
kazushi2008	0:c2aeac7c2d15	20	#include "TFT_4DGL.h"
kazushi2008	0:c2aeac7c2d15	21
kazushi2008	0:c2aeac7c2d15	22	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	23	void TFT_4DGL :: set_font(char mode) { // set font size
kazushi2008	0:c2aeac7c2d15	24	char command[2]= "";
kazushi2008	0:c2aeac7c2d15	25
kazushi2008	0:c2aeac7c2d15	26	int w, h, fx = 8, fy = 8;
kazushi2008	0:c2aeac7c2d15	27
kazushi2008	0:c2aeac7c2d15	28	command[0] = SETFONT;
kazushi2008	0:c2aeac7c2d15	29	command[1] = mode;
kazushi2008	0:c2aeac7c2d15	30
kazushi2008	0:c2aeac7c2d15	31	current_font = mode;
kazushi2008	0:c2aeac7c2d15	32
kazushi2008	0:c2aeac7c2d15	33	if (current_orientation == IS_PORTRAIT) {
kazushi2008	0:c2aeac7c2d15	34	w = SIZE_X;
kazushi2008	0:c2aeac7c2d15	35	h = SIZE_Y;
kazushi2008	0:c2aeac7c2d15	36	} else {
kazushi2008	0:c2aeac7c2d15	37	w = SIZE_Y;
kazushi2008	0:c2aeac7c2d15	38	h = SIZE_X;
kazushi2008	0:c2aeac7c2d15	39	}
kazushi2008	0:c2aeac7c2d15	40
kazushi2008	0:c2aeac7c2d15	41	switch (mode) {
kazushi2008	0:c2aeac7c2d15	42	case FONT_5X7 :
kazushi2008	0:c2aeac7c2d15	43	fx = 6;
kazushi2008	0:c2aeac7c2d15	44	fy = 8;
kazushi2008	0:c2aeac7c2d15	45	break;
kazushi2008	0:c2aeac7c2d15	46	case FONT_8X8 :
kazushi2008	0:c2aeac7c2d15	47	fx = 8;
kazushi2008	0:c2aeac7c2d15	48	fy = 8;
kazushi2008	0:c2aeac7c2d15	49	break;
kazushi2008	0:c2aeac7c2d15	50	case FONT_8X12 :
kazushi2008	0:c2aeac7c2d15	51	fx = 8;
kazushi2008	0:c2aeac7c2d15	52	fy = 12;
kazushi2008	0:c2aeac7c2d15	53	break;
kazushi2008	0:c2aeac7c2d15	54	case FONT_12X16 :
kazushi2008	0:c2aeac7c2d15	55	fx = 12;
kazushi2008	0:c2aeac7c2d15	56	fy = 16;
kazushi2008	0:c2aeac7c2d15	57	break;
kazushi2008	0:c2aeac7c2d15	58	}
kazushi2008	0:c2aeac7c2d15	59
kazushi2008	0:c2aeac7c2d15	60	max_col = w / fx;
kazushi2008	0:c2aeac7c2d15	61	max_row = h / fy;
kazushi2008	0:c2aeac7c2d15	62
kazushi2008	0:c2aeac7c2d15	63	writeCOMMAND(command, 2);
kazushi2008	0:c2aeac7c2d15	64	}
kazushi2008	0:c2aeac7c2d15	65
kazushi2008	0:c2aeac7c2d15	66	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	67	void TFT_4DGL :: text_mode(char mode) { // set text mode
kazushi2008	0:c2aeac7c2d15	68	char command[2]= "";
kazushi2008	0:c2aeac7c2d15	69
kazushi2008	0:c2aeac7c2d15	70	command[0] = TEXTMODE;
kazushi2008	0:c2aeac7c2d15	71	command[1] = mode;
kazushi2008	0:c2aeac7c2d15	72
kazushi2008	0:c2aeac7c2d15	73	writeCOMMAND(command, 2);
kazushi2008	0:c2aeac7c2d15	74	}
kazushi2008	0:c2aeac7c2d15	75
kazushi2008	0:c2aeac7c2d15	76	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	77	void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
kazushi2008	0:c2aeac7c2d15	78	char command[6]= "";
kazushi2008	0:c2aeac7c2d15	79
kazushi2008	0:c2aeac7c2d15	80	command[0] = TEXTCHAR;
kazushi2008	0:c2aeac7c2d15	81
kazushi2008	0:c2aeac7c2d15	82	command[1] = c;
kazushi2008	0:c2aeac7c2d15	83	command[2] = col;
kazushi2008	0:c2aeac7c2d15	84	command[3] = row;
kazushi2008	0:c2aeac7c2d15	85
kazushi2008	0:c2aeac7c2d15	86	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
kazushi2008	0:c2aeac7c2d15	87	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
kazushi2008	0:c2aeac7c2d15	88	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
kazushi2008	0:c2aeac7c2d15	89
kazushi2008	0:c2aeac7c2d15	90	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
kazushi2008	0:c2aeac7c2d15	91	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
kazushi2008	0:c2aeac7c2d15	92
kazushi2008	0:c2aeac7c2d15	93	writeCOMMAND(command, 8);
kazushi2008	0:c2aeac7c2d15	94	}
kazushi2008	0:c2aeac7c2d15	95
kazushi2008	0:c2aeac7c2d15	96	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	97	void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
kazushi2008	0:c2aeac7c2d15	98	char command[10]= "";
kazushi2008	0:c2aeac7c2d15	99
kazushi2008	0:c2aeac7c2d15	100	command[0] = GRAPHCHAR;
kazushi2008	0:c2aeac7c2d15	101
kazushi2008	0:c2aeac7c2d15	102	command[1] = c;
kazushi2008	0:c2aeac7c2d15	103
kazushi2008	0:c2aeac7c2d15	104	command[2] = (x >> 8) & 0xFF;
kazushi2008	0:c2aeac7c2d15	105	command[3] = x & 0xFF;
kazushi2008	0:c2aeac7c2d15	106
kazushi2008	0:c2aeac7c2d15	107	command[4] = (y >> 8) & 0xFF;
kazushi2008	0:c2aeac7c2d15	108	command[5] = y & 0xFF;
kazushi2008	0:c2aeac7c2d15	109
kazushi2008	0:c2aeac7c2d15	110	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
kazushi2008	0:c2aeac7c2d15	111	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
kazushi2008	0:c2aeac7c2d15	112	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
kazushi2008	0:c2aeac7c2d15	113
kazushi2008	0:c2aeac7c2d15	114	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
kazushi2008	0:c2aeac7c2d15	115	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
kazushi2008	0:c2aeac7c2d15	116
kazushi2008	0:c2aeac7c2d15	117	command[8] = width;
kazushi2008	0:c2aeac7c2d15	118
kazushi2008	0:c2aeac7c2d15	119	command[9] = height;
kazushi2008	0:c2aeac7c2d15	120
kazushi2008	0:c2aeac7c2d15	121	writeCOMMAND(command, 10);
kazushi2008	0:c2aeac7c2d15	122	}
kazushi2008	0:c2aeac7c2d15	123
kazushi2008	0:c2aeac7c2d15	124	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	125	void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
kazushi2008	0:c2aeac7c2d15	126
kazushi2008	0:c2aeac7c2d15	127	char command[1000]= "";
kazushi2008	0:c2aeac7c2d15	128	int size = strlen(s);
kazushi2008	0:c2aeac7c2d15	129	int i = 0;
kazushi2008	0:c2aeac7c2d15	130
kazushi2008	0:c2aeac7c2d15	131	command[0] = TEXTSTRING;
kazushi2008	0:c2aeac7c2d15	132
kazushi2008	0:c2aeac7c2d15	133	command[1] = col;
kazushi2008	0:c2aeac7c2d15	134	command[2] = row;
kazushi2008	0:c2aeac7c2d15	135
kazushi2008	0:c2aeac7c2d15	136	command[3] = font;
kazushi2008	0:c2aeac7c2d15	137
kazushi2008	0:c2aeac7c2d15	138	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
kazushi2008	0:c2aeac7c2d15	139	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
kazushi2008	0:c2aeac7c2d15	140	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
kazushi2008	0:c2aeac7c2d15	141
kazushi2008	0:c2aeac7c2d15	142	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
kazushi2008	0:c2aeac7c2d15	143	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
kazushi2008	0:c2aeac7c2d15	144
kazushi2008	0:c2aeac7c2d15	145	for (i=0; i<size; i++) command[6+i] = s[i];
kazushi2008	0:c2aeac7c2d15	146
kazushi2008	0:c2aeac7c2d15	147	command[6+size] = 0;
kazushi2008	0:c2aeac7c2d15	148
kazushi2008	0:c2aeac7c2d15	149	writeCOMMAND(command, 7 + size);
kazushi2008	0:c2aeac7c2d15	150	}
kazushi2008	0:c2aeac7c2d15	151
kazushi2008	0:c2aeac7c2d15	152	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	153	void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string
kazushi2008	0:c2aeac7c2d15	154
kazushi2008	0:c2aeac7c2d15	155	char command[1000]= "";
kazushi2008	0:c2aeac7c2d15	156	int size = strlen(s);
kazushi2008	0:c2aeac7c2d15	157	int i = 0;
kazushi2008	0:c2aeac7c2d15	158
kazushi2008	0:c2aeac7c2d15	159	command[0] = GRAPHSTRING;
kazushi2008	0:c2aeac7c2d15	160
kazushi2008	0:c2aeac7c2d15	161	command[1] = (x >> 8) & 0xFF;
kazushi2008	0:c2aeac7c2d15	162	command[2] = x & 0xFF;
kazushi2008	0:c2aeac7c2d15	163
kazushi2008	0:c2aeac7c2d15	164	command[3] = (y >> 8) & 0xFF;
kazushi2008	0:c2aeac7c2d15	165	command[4] = y & 0xFF;
kazushi2008	0:c2aeac7c2d15	166
kazushi2008	0:c2aeac7c2d15	167	command[5] = font;
kazushi2008	0:c2aeac7c2d15	168
kazushi2008	0:c2aeac7c2d15	169	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
kazushi2008	0:c2aeac7c2d15	170	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
kazushi2008	0:c2aeac7c2d15	171	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
kazushi2008	0:c2aeac7c2d15	172
kazushi2008	0:c2aeac7c2d15	173	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
kazushi2008	0:c2aeac7c2d15	174	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
kazushi2008	0:c2aeac7c2d15	175
kazushi2008	0:c2aeac7c2d15	176	command[8] = width;
kazushi2008	0:c2aeac7c2d15	177
kazushi2008	0:c2aeac7c2d15	178	command[9] = height;
kazushi2008	0:c2aeac7c2d15	179
kazushi2008	0:c2aeac7c2d15	180	for (i=0; i<size; i++) command[10+i] = s[i];
kazushi2008	0:c2aeac7c2d15	181
kazushi2008	0:c2aeac7c2d15	182	command[10+size] = 0;
kazushi2008	0:c2aeac7c2d15	183
kazushi2008	0:c2aeac7c2d15	184	writeCOMMAND(command, 11 + size);
kazushi2008	0:c2aeac7c2d15	185	}
kazushi2008	0:c2aeac7c2d15	186
kazushi2008	0:c2aeac7c2d15	187	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	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
kazushi2008	0:c2aeac7c2d15	189
kazushi2008	0:c2aeac7c2d15	190	char command[1000]= "";
kazushi2008	0:c2aeac7c2d15	191	int size = strlen(s);
kazushi2008	0:c2aeac7c2d15	192	int i = 0, red5, green6, blue5;
kazushi2008	0:c2aeac7c2d15	193
kazushi2008	0:c2aeac7c2d15	194	command[0] = TEXTBUTTON;
kazushi2008	0:c2aeac7c2d15	195
kazushi2008	0:c2aeac7c2d15	196	command[1] = mode;
kazushi2008	0:c2aeac7c2d15	197
kazushi2008	0:c2aeac7c2d15	198	command[2] = (x >> 8) & 0xFF;
kazushi2008	0:c2aeac7c2d15	199	command[3] = x & 0xFF;
kazushi2008	0:c2aeac7c2d15	200
kazushi2008	0:c2aeac7c2d15	201	command[4] = (y >> 8) & 0xFF;
kazushi2008	0:c2aeac7c2d15	202	command[5] = y & 0xFF;
kazushi2008	0:c2aeac7c2d15	203
kazushi2008	0:c2aeac7c2d15	204	red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
kazushi2008	0:c2aeac7c2d15	205	green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
kazushi2008	0:c2aeac7c2d15	206	blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
kazushi2008	0:c2aeac7c2d15	207
kazushi2008	0:c2aeac7c2d15	208	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
kazushi2008	0:c2aeac7c2d15	209	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
kazushi2008	0:c2aeac7c2d15	210
kazushi2008	0:c2aeac7c2d15	211	command[8] = font;
kazushi2008	0:c2aeac7c2d15	212
kazushi2008	0:c2aeac7c2d15	213	red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
kazushi2008	0:c2aeac7c2d15	214	green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
kazushi2008	0:c2aeac7c2d15	215	blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
kazushi2008	0:c2aeac7c2d15	216
kazushi2008	0:c2aeac7c2d15	217	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
kazushi2008	0:c2aeac7c2d15	218	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
kazushi2008	0:c2aeac7c2d15	219
kazushi2008	0:c2aeac7c2d15	220	command[11] = width;
kazushi2008	0:c2aeac7c2d15	221
kazushi2008	0:c2aeac7c2d15	222	command[12] = height;
kazushi2008	0:c2aeac7c2d15	223
kazushi2008	0:c2aeac7c2d15	224	for (i=0; i<size; i++) command[13+i] = s[i];
kazushi2008	0:c2aeac7c2d15	225
kazushi2008	0:c2aeac7c2d15	226	command[13+size] = 0;
kazushi2008	0:c2aeac7c2d15	227
kazushi2008	0:c2aeac7c2d15	228	writeCOMMAND(command, 14 + size);
kazushi2008	0:c2aeac7c2d15	229	}
kazushi2008	0:c2aeac7c2d15	230
kazushi2008	0:c2aeac7c2d15	231	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	232	void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
kazushi2008	0:c2aeac7c2d15	233	current_col = col;
kazushi2008	0:c2aeac7c2d15	234	current_row = row;
kazushi2008	0:c2aeac7c2d15	235	}
kazushi2008	0:c2aeac7c2d15	236
kazushi2008	0:c2aeac7c2d15	237	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	238	void TFT_4DGL :: color(int color) { // set text color
kazushi2008	0:c2aeac7c2d15	239	current_color = color;
kazushi2008	0:c2aeac7c2d15	240	}
kazushi2008	0:c2aeac7c2d15	241
kazushi2008	0:c2aeac7c2d15	242	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	243	void TFT_4DGL :: putc(char c) { // place char at current cursor position
kazushi2008	0:c2aeac7c2d15	244
kazushi2008	0:c2aeac7c2d15	245	text_char(c, current_col++, current_row, current_color);
kazushi2008	0:c2aeac7c2d15	246
kazushi2008	0:c2aeac7c2d15	247	if (current_col == max_col) {
kazushi2008	0:c2aeac7c2d15	248	current_col = 0;
kazushi2008	0:c2aeac7c2d15	249	current_row++;
kazushi2008	0:c2aeac7c2d15	250	}
kazushi2008	0:c2aeac7c2d15	251	if (current_row == max_row) {
kazushi2008	0:c2aeac7c2d15	252	current_row = 0;
kazushi2008	0:c2aeac7c2d15	253	}
kazushi2008	0:c2aeac7c2d15	254	}
kazushi2008	0:c2aeac7c2d15	255
kazushi2008	0:c2aeac7c2d15	256	//****************************************************************************************************
kazushi2008	0:c2aeac7c2d15	257	void TFT_4DGL :: puts(char *s) { // place string at current cursor position
kazushi2008	0:c2aeac7c2d15	258
kazushi2008	0:c2aeac7c2d15	259	text_string(s, current_col, current_row, current_font, current_color);
kazushi2008	0:c2aeac7c2d15	260
kazushi2008	0:c2aeac7c2d15	261	current_col += strlen(s);
kazushi2008	0:c2aeac7c2d15	262
kazushi2008	0:c2aeac7c2d15	263	if (current_col >= max_col) {
kazushi2008	0:c2aeac7c2d15	264	current_row += current_col / max_col;
kazushi2008	0:c2aeac7c2d15	265	current_col %= max_col;
kazushi2008	0:c2aeac7c2d15	266	}
kazushi2008	0:c2aeac7c2d15	267	if (current_row >= max_row) {
kazushi2008	0:c2aeac7c2d15	268	current_row %= max_row;
kazushi2008	0:c2aeac7c2d15	269	}
kazushi2008	0:c2aeac7c2d15	270	}

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Type:	Library
Created:	29 Oct 2010
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TFT_4DGL_Text.cpp@0:c2aeac7c2d15, 2010-10-29 (annotated)

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