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TFT_4DGL_Text.cpp@0:277186c9dd25, 2011-05-03 (annotated)

Committer:: projetremote
Date:: Tue May 03 13:36:08 2011 +0000
Revision:: 0:277186c9dd25

Who changed what in which revision?

User	Revision	Line number	New contents of line
projetremote	0:277186c9dd25	1	//
projetremote	0:277186c9dd25	2	// TFT_4DGL is a class to drive 4D Systems TFT touch screens
projetremote	0:277186c9dd25	3	//
projetremote	0:277186c9dd25	4	// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
projetremote	0:277186c9dd25	5	//
projetremote	0:277186c9dd25	6	// TFT_4DGL is free software: you can redistribute it and/or modify
projetremote	0:277186c9dd25	7	// it under the terms of the GNU General Public License as published by
projetremote	0:277186c9dd25	8	// the Free Software Foundation, either version 3 of the License, or
projetremote	0:277186c9dd25	9	// (at your option) any later version.
projetremote	0:277186c9dd25	10	//
projetremote	0:277186c9dd25	11	// TFT_4DGL is distributed in the hope that it will be useful,
projetremote	0:277186c9dd25	12	// but WITHOUT ANY WARRANTY; without even the implied warranty of
projetremote	0:277186c9dd25	13	// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
projetremote	0:277186c9dd25	14	// GNU General Public License for more details.
projetremote	0:277186c9dd25	15	//
projetremote	0:277186c9dd25	16	// You should have received a copy of the GNU General Public License
projetremote	0:277186c9dd25	17	// along with TFT_4DGL. If not, see <http://www.gnu.org/licenses/>.
projetremote	0:277186c9dd25	18
projetremote	0:277186c9dd25	19	#include "mbed.h"
projetremote	0:277186c9dd25	20	#include "TFT_4DGL.h"
projetremote	0:277186c9dd25	21
projetremote	0:277186c9dd25	22	//****************************************************************************************************
projetremote	0:277186c9dd25	23	void TFT_4DGL :: set_font(char mode) { // set font size
projetremote	0:277186c9dd25	24	char command[2]= "";
projetremote	0:277186c9dd25	25
projetremote	0:277186c9dd25	26	int w, h, fx = 8, fy = 8;
projetremote	0:277186c9dd25	27
projetremote	0:277186c9dd25	28	command[0] = SETFONT;
projetremote	0:277186c9dd25	29	command[1] = mode;
projetremote	0:277186c9dd25	30
projetremote	0:277186c9dd25	31	current_font = mode;
projetremote	0:277186c9dd25	32
projetremote	0:277186c9dd25	33	if (current_orientation == IS_PORTRAIT) {
projetremote	0:277186c9dd25	34	w = SIZE_X;
projetremote	0:277186c9dd25	35	h = SIZE_Y;
projetremote	0:277186c9dd25	36	} else {
projetremote	0:277186c9dd25	37	w = SIZE_Y;
projetremote	0:277186c9dd25	38	h = SIZE_X;
projetremote	0:277186c9dd25	39	}
projetremote	0:277186c9dd25	40
projetremote	0:277186c9dd25	41	switch (mode) {
projetremote	0:277186c9dd25	42	case FONT_5X7 :
projetremote	0:277186c9dd25	43	fx = 6;
projetremote	0:277186c9dd25	44	fy = 8;
projetremote	0:277186c9dd25	45	break;
projetremote	0:277186c9dd25	46	case FONT_8X8 :
projetremote	0:277186c9dd25	47	fx = 8;
projetremote	0:277186c9dd25	48	fy = 8;
projetremote	0:277186c9dd25	49	break;
projetremote	0:277186c9dd25	50	case FONT_8X12 :
projetremote	0:277186c9dd25	51	fx = 8;
projetremote	0:277186c9dd25	52	fy = 12;
projetremote	0:277186c9dd25	53	break;
projetremote	0:277186c9dd25	54	case FONT_12X16 :
projetremote	0:277186c9dd25	55	fx = 12;
projetremote	0:277186c9dd25	56	fy = 16;
projetremote	0:277186c9dd25	57	break;
projetremote	0:277186c9dd25	58	}
projetremote	0:277186c9dd25	59
projetremote	0:277186c9dd25	60	max_col = w / fx;
projetremote	0:277186c9dd25	61	max_row = h / fy;
projetremote	0:277186c9dd25	62
projetremote	0:277186c9dd25	63	writeCOMMAND(command, 2);
projetremote	0:277186c9dd25	64	}
projetremote	0:277186c9dd25	65
projetremote	0:277186c9dd25	66	//****************************************************************************************************
projetremote	0:277186c9dd25	67	void TFT_4DGL :: text_mode(char mode) { // set text mode
projetremote	0:277186c9dd25	68	char command[2]= "";
projetremote	0:277186c9dd25	69
projetremote	0:277186c9dd25	70	command[0] = TEXTMODE;
projetremote	0:277186c9dd25	71	command[1] = mode;
projetremote	0:277186c9dd25	72
projetremote	0:277186c9dd25	73	writeCOMMAND(command, 2);
projetremote	0:277186c9dd25	74	}
projetremote	0:277186c9dd25	75
projetremote	0:277186c9dd25	76	//****************************************************************************************************
projetremote	0:277186c9dd25	77	void TFT_4DGL :: text_char(char c, char col, char row, int color) { // draw a text char
projetremote	0:277186c9dd25	78	char command[6]= "";
projetremote	0:277186c9dd25	79
projetremote	0:277186c9dd25	80	command[0] = TEXTCHAR;
projetremote	0:277186c9dd25	81
projetremote	0:277186c9dd25	82	command[1] = c;
projetremote	0:277186c9dd25	83	command[2] = col;
projetremote	0:277186c9dd25	84	command[3] = row;
projetremote	0:277186c9dd25	85
projetremote	0:277186c9dd25	86	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
projetremote	0:277186c9dd25	87	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
projetremote	0:277186c9dd25	88	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
projetremote	0:277186c9dd25	89
projetremote	0:277186c9dd25	90	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
projetremote	0:277186c9dd25	91	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
projetremote	0:277186c9dd25	92
projetremote	0:277186c9dd25	93	writeCOMMAND(command, 8);
projetremote	0:277186c9dd25	94	}
projetremote	0:277186c9dd25	95
projetremote	0:277186c9dd25	96	//****************************************************************************************************
projetremote	0:277186c9dd25	97	void TFT_4DGL :: graphic_char(char c, int x, int y, int color, char width, char height) { // draw a graphic char
projetremote	0:277186c9dd25	98	char command[10]= "";
projetremote	0:277186c9dd25	99
projetremote	0:277186c9dd25	100	command[0] = GRAPHCHAR;
projetremote	0:277186c9dd25	101
projetremote	0:277186c9dd25	102	command[1] = c;
projetremote	0:277186c9dd25	103
projetremote	0:277186c9dd25	104	command[2] = (x >> 8) & 0xFF;
projetremote	0:277186c9dd25	105	command[3] = x & 0xFF;
projetremote	0:277186c9dd25	106
projetremote	0:277186c9dd25	107	command[4] = (y >> 8) & 0xFF;
projetremote	0:277186c9dd25	108	command[5] = y & 0xFF;
projetremote	0:277186c9dd25	109
projetremote	0:277186c9dd25	110	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
projetremote	0:277186c9dd25	111	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
projetremote	0:277186c9dd25	112	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
projetremote	0:277186c9dd25	113
projetremote	0:277186c9dd25	114	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
projetremote	0:277186c9dd25	115	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
projetremote	0:277186c9dd25	116
projetremote	0:277186c9dd25	117	command[8] = width;
projetremote	0:277186c9dd25	118
projetremote	0:277186c9dd25	119	command[9] = height;
projetremote	0:277186c9dd25	120
projetremote	0:277186c9dd25	121	writeCOMMAND(command, 10);
projetremote	0:277186c9dd25	122	}
projetremote	0:277186c9dd25	123
projetremote	0:277186c9dd25	124	//****************************************************************************************************
projetremote	0:277186c9dd25	125	void TFT_4DGL :: text_string(char *s, char col, char row, char font, int color) { // draw a text string
projetremote	0:277186c9dd25	126
projetremote	0:277186c9dd25	127	char command[1000]= "";
projetremote	0:277186c9dd25	128	int size = strlen(s);
projetremote	0:277186c9dd25	129	int i = 0;
projetremote	0:277186c9dd25	130
projetremote	0:277186c9dd25	131	command[0] = TEXTSTRING;
projetremote	0:277186c9dd25	132
projetremote	0:277186c9dd25	133	command[1] = col;
projetremote	0:277186c9dd25	134	command[2] = row;
projetremote	0:277186c9dd25	135
projetremote	0:277186c9dd25	136	command[3] = font;
projetremote	0:277186c9dd25	137
projetremote	0:277186c9dd25	138	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
projetremote	0:277186c9dd25	139	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
projetremote	0:277186c9dd25	140	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
projetremote	0:277186c9dd25	141
projetremote	0:277186c9dd25	142	command[4] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
projetremote	0:277186c9dd25	143	command[5] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
projetremote	0:277186c9dd25	144
projetremote	0:277186c9dd25	145	for (i=0; i<size; i++) command[6+i] = s[i];
projetremote	0:277186c9dd25	146
projetremote	0:277186c9dd25	147	command[6+size] = 0;
projetremote	0:277186c9dd25	148
projetremote	0:277186c9dd25	149	writeCOMMAND(command, 7 + size);
projetremote	0:277186c9dd25	150	}
projetremote	0:277186c9dd25	151
projetremote	0:277186c9dd25	152	//****************************************************************************************************
projetremote	0:277186c9dd25	153	void TFT_4DGL :: graphic_string(char *s, int x, int y, char font, int color, char width, char height) { // draw a text string
projetremote	0:277186c9dd25	154
projetremote	0:277186c9dd25	155	char command[1000]= "";
projetremote	0:277186c9dd25	156	int size = strlen(s);
projetremote	0:277186c9dd25	157	int i = 0;
projetremote	0:277186c9dd25	158
projetremote	0:277186c9dd25	159	command[0] = GRAPHSTRING;
projetremote	0:277186c9dd25	160
projetremote	0:277186c9dd25	161	command[1] = (x >> 8) & 0xFF;
projetremote	0:277186c9dd25	162	command[2] = x & 0xFF;
projetremote	0:277186c9dd25	163
projetremote	0:277186c9dd25	164	command[3] = (y >> 8) & 0xFF;
projetremote	0:277186c9dd25	165	command[4] = y & 0xFF;
projetremote	0:277186c9dd25	166
projetremote	0:277186c9dd25	167	command[5] = font;
projetremote	0:277186c9dd25	168
projetremote	0:277186c9dd25	169	int red5 = (color >> (16 + 3)) & 0x1F; // get red on 5 bits
projetremote	0:277186c9dd25	170	int green6 = (color >> (8 + 2)) & 0x3F; // get green on 6 bits
projetremote	0:277186c9dd25	171	int blue5 = (color >> (0 + 3)) & 0x1F; // get blue on 5 bits
projetremote	0:277186c9dd25	172
projetremote	0:277186c9dd25	173	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
projetremote	0:277186c9dd25	174	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
projetremote	0:277186c9dd25	175
projetremote	0:277186c9dd25	176	command[8] = width;
projetremote	0:277186c9dd25	177
projetremote	0:277186c9dd25	178	command[9] = height;
projetremote	0:277186c9dd25	179
projetremote	0:277186c9dd25	180	for (i=0; i<size; i++) command[10+i] = s[i];
projetremote	0:277186c9dd25	181
projetremote	0:277186c9dd25	182	command[10+size] = 0;
projetremote	0:277186c9dd25	183
projetremote	0:277186c9dd25	184	writeCOMMAND(command, 11 + size);
projetremote	0:277186c9dd25	185	}
projetremote	0:277186c9dd25	186
projetremote	0:277186c9dd25	187	//****************************************************************************************************
projetremote	0:277186c9dd25	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
projetremote	0:277186c9dd25	189
projetremote	0:277186c9dd25	190	char command[1000]= "";
projetremote	0:277186c9dd25	191	int size = strlen(s);
projetremote	0:277186c9dd25	192	int i = 0, red5, green6, blue5;
projetremote	0:277186c9dd25	193
projetremote	0:277186c9dd25	194	command[0] = TEXTBUTTON;
projetremote	0:277186c9dd25	195
projetremote	0:277186c9dd25	196	command[1] = mode;
projetremote	0:277186c9dd25	197
projetremote	0:277186c9dd25	198	command[2] = (x >> 8) & 0xFF;
projetremote	0:277186c9dd25	199	command[3] = x & 0xFF;
projetremote	0:277186c9dd25	200
projetremote	0:277186c9dd25	201	command[4] = (y >> 8) & 0xFF;
projetremote	0:277186c9dd25	202	command[5] = y & 0xFF;
projetremote	0:277186c9dd25	203
projetremote	0:277186c9dd25	204	red5 = (button_color >> (16 + 3)) & 0x1F; // get red on 5 bits
projetremote	0:277186c9dd25	205	green6 = (button_color >> (8 + 2)) & 0x3F; // get green on 6 bits
projetremote	0:277186c9dd25	206	blue5 = (button_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
projetremote	0:277186c9dd25	207
projetremote	0:277186c9dd25	208	command[6] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
projetremote	0:277186c9dd25	209	command[7] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
projetremote	0:277186c9dd25	210
projetremote	0:277186c9dd25	211	command[8] = font;
projetremote	0:277186c9dd25	212
projetremote	0:277186c9dd25	213	red5 = (text_color >> (16 + 3)) & 0x1F; // get red on 5 bits
projetremote	0:277186c9dd25	214	green6 = (text_color >> (8 + 2)) & 0x3F; // get green on 6 bits
projetremote	0:277186c9dd25	215	blue5 = (text_color >> (0 + 3)) & 0x1F; // get blue on 5 bits
projetremote	0:277186c9dd25	216
projetremote	0:277186c9dd25	217	command[9] = ((red5 << 3) + (green6 >> 3)) & 0xFF; // first part of 16 bits color
projetremote	0:277186c9dd25	218	command[10] = ((green6 << 5) + (blue5 >> 0)) & 0xFF; // second part of 16 bits color
projetremote	0:277186c9dd25	219
projetremote	0:277186c9dd25	220	command[11] = width;
projetremote	0:277186c9dd25	221
projetremote	0:277186c9dd25	222	command[12] = height;
projetremote	0:277186c9dd25	223
projetremote	0:277186c9dd25	224	for (i=0; i<size; i++) command[13+i] = s[i];
projetremote	0:277186c9dd25	225
projetremote	0:277186c9dd25	226	command[13+size] = 0;
projetremote	0:277186c9dd25	227
projetremote	0:277186c9dd25	228	writeCOMMAND(command, 14 + size);
projetremote	0:277186c9dd25	229	}
projetremote	0:277186c9dd25	230
projetremote	0:277186c9dd25	231	//****************************************************************************************************
projetremote	0:277186c9dd25	232	void TFT_4DGL :: locate(char col, char row) { // place text curssor at col, row
projetremote	0:277186c9dd25	233	current_col = col;
projetremote	0:277186c9dd25	234	current_row = row;
projetremote	0:277186c9dd25	235	}
projetremote	0:277186c9dd25	236
projetremote	0:277186c9dd25	237	//****************************************************************************************************
projetremote	0:277186c9dd25	238	void TFT_4DGL :: color(int color) { // set text color
projetremote	0:277186c9dd25	239	current_color = color;
projetremote	0:277186c9dd25	240	}
projetremote	0:277186c9dd25	241
projetremote	0:277186c9dd25	242	//****************************************************************************************************
projetremote	0:277186c9dd25	243	void TFT_4DGL :: putc(char c) { // place char at current cursor position
projetremote	0:277186c9dd25	244
projetremote	0:277186c9dd25	245	text_char(c, current_col++, current_row, current_color);
projetremote	0:277186c9dd25	246
projetremote	0:277186c9dd25	247	if (current_col == max_col) {
projetremote	0:277186c9dd25	248	current_col = 0;
projetremote	0:277186c9dd25	249	current_row++;
projetremote	0:277186c9dd25	250	}
projetremote	0:277186c9dd25	251	if (current_row == max_row) {
projetremote	0:277186c9dd25	252	current_row = 0;
projetremote	0:277186c9dd25	253	}
projetremote	0:277186c9dd25	254	}
projetremote	0:277186c9dd25	255
projetremote	0:277186c9dd25	256	//****************************************************************************************************
projetremote	0:277186c9dd25	257	void TFT_4DGL :: puts(char *s) { // place string at current cursor position
projetremote	0:277186c9dd25	258
projetremote	0:277186c9dd25	259	text_string(s, current_col, current_row, current_font, current_color);
projetremote	0:277186c9dd25	260
projetremote	0:277186c9dd25	261	current_col += strlen(s);
projetremote	0:277186c9dd25	262
projetremote	0:277186c9dd25	263	if (current_col >= max_col) {
projetremote	0:277186c9dd25	264	current_row += current_col / max_col;
projetremote	0:277186c9dd25	265	current_col %= max_col;
projetremote	0:277186c9dd25	266	}
projetremote	0:277186c9dd25	267	if (current_row >= max_row) {
projetremote	0:277186c9dd25	268	current_row %= max_row;
projetremote	0:277186c9dd25	269	}
projetremote	0:277186c9dd25	270	}

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Type:	Library
Created:	03 May 2011
Imports:	25
Forks:	0
Commits:	1
Dependents:	1
Dependencies:	0
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TFT_4DGL_Text.cpp@0:277186c9dd25, 2011-05-03 (annotated)

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