/
symbols.cpp
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symbols.cpp
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#include "symbols.h"
#include <QFile>
#include <QtDebug>
#include <QMessageBox>
#include <QPainter>
#include "colors.h"
int icon_outline_style = 0;
QHash<QString,Symbol *> symbol_data;
Symbol::Symbol() : pix(20,20), pix_mask(20,20), pix_mask_old(20,20)
{
pix.fill(QColor(255,255,255,0));
pix_mask.fill();
pix_mask_old.fill();
}
void load_pixmap_symbol_file(char *filename, int reloading) {
QFile *f;
// char filen[500];
char line[100];
char table_char;
char symbol_char;
int done;
char pixels[400];
char orient;
//symbols_loaded = 0;
table_char = '\0';
symbol_char = '\0';
done = 0;
f = new QFile(filename);
if (f->open(QIODevice::ReadOnly)) {
while (!f->atEnd() && !done) {
f->readLine(line,100);
if (strncasecmp("TABLE ",line,6)==0) {
table_char=line[6];
/*fprintf(stderr,"TABLE %c\n",table_char);*/
} else {
if (strncasecmp("DONE",line,4)==0) {
done=1;
/*fprintf(stderr,"DONE\n");*/
} else {
if (strncasecmp("APRS ",line,5)==0) {
symbol_char=line[5];
if (strlen(line)>=20 && line[19] == 'l') // symbol with orientation ?
orient = 'l'; // should be 'l' for left
else
orient = ' ';
read_symbol_from_file(f, pixels, table_char); // read pixels for one symbol
insert_symbol(table_char,symbol_char,pixels,270,orient,reloading); // always have normal orientation
if (orient == 'l') {
insert_symbol(table_char,symbol_char,pixels, 0,'u',reloading); // create other orientations
insert_symbol(table_char,symbol_char,pixels, 90,'r',reloading);
insert_symbol(table_char,symbol_char,pixels,180,'d',reloading);
}
}
}
}
}
f->close();
} else {
qDebug() << "Error opening symbol file " << filename <<": " << f->errorString();
QMessageBox::warning(NULL, "Error Opening Symbol File", "Unable to open APRS Symbols");
}
delete f;
}
// read pixels from file, speeding it up by smart ordering of switches
void read_symbol_from_file(QFile *f, char *pixels, char table_char) {
int x,y;
int color;
char line[100];
char pixels_copy[400];
char *p,*q;
unsigned char a, b, c;
for (y=0;y<20;y++) {
f->readLine(line,100);
for (x=0;x<20;x++) {
switch (line[x]) {
case('.'): // transparent
color=0xff;
break;
case('q'): // #000000 black 0%
color=0x51;
break;
case('m'): // #FFFFFF white 100%
color=0x4d;
break;
case('c'): // #CCCCCC gray80 80%
color=0x43;
break;
case('j'): // #EE0000 red2
color=0x4a;
break;
case('h'): // #00BFFF Deep sky blue
color=0x48;
break;
case('l'): // #0000CD mediumblue
color=0x4c;
break;
case('k'): // #00CD00 green3
color=0x4b;
break;
case('g'): // #00008B blue4
color=0x47;
break;
case('#'): // #FFFF00 yellow
color=0x40;
break;
case('p'): // #454545 gray27 27%
color=0x50;
break;
case('~'): // used in the last two symbols in the file
color=0xff; // what should it be? was transparent before...
break;
case('i'): // #006400 Dark Green
color=0x49;
break;
case('n'): // #878787 gray53 52%
color=0x4e;
break;
case('a'): // #CD6500 darkorange2
color=0x41;
break;
case('o'): // #5A5A5A gray59 35%
color=0x4f;
break;
case('f'): // #CD3333 brown3
color=0x46;
break;
case('b'): // #A020F0 purple
color=0x42;
break;
case('e'): // #FF4040 brown1
color=0x45;
break;
case('d'): // #CD0000 red3
color=0x44;
break;
case('r'): // LimeGreen DK7IN: saw this in the color definitions...
color=0x52; // so we could use it
break;
default:
color=0xff;
break;
}
pixels[y*20+x] = (char)(color);
}
}
// Create outline on icons, if needed
// Do not change the overlays and "number" tables
if((icon_outline_style != 0) && (table_char != '~') && (table_char != '#'))
{
switch(icon_outline_style) {
case 1: color = 0x51; // Black
break;
//case 2: color = 0x43; // Grey 80%
case 2: color = 0x4e; // Grey 52%
break;
case 3: color = 0x4d; // White
break;
default: color = 0xff; // Transparent
break;
}
p = pixels;
q = &pixels_copy[0];
for (y=0;y<20;y++) {
for (x=0;x<20;x++) {
*q = *p; // copy current color
// If transparent see if the pixel is on the edge
if(*q == (char) 0xff)
{
//check if left or right is none transparent
b = c = 0xff;
// left (left only possible if x > 0)
if(x > 0)
b = p[-1];
// right (right only possible if x < 19)
if(x < 19)
c = p[+1];
// if non-transparent color is found change pixel
// to outline color
if((b != (unsigned char) 0xff)
|| (c != (unsigned char) 0xff)) {
// change to icon outline color
*q = color;
}
if((y > 0) && (*q == (char) 0xff)) {
//check if left-up, up or right-up is none transparent
//"up" only possible if y > 0
a = b = c = 0xff;
// left-up (left only possible if x > 0)
if(x > 0)
a = p[-21];
// up
b = p[-20];
// right-up (right only possible if x < 19)
if(x < 19)
c = p[-19];
// if non-transparent color is found change pixel
// to outline color
if((a != (unsigned char) 0xff)
|| (b != (unsigned char) 0xff)
|| (c != (unsigned char) 0xff)) {
// change to icon outline color
*q = color;
}
}
if((y < 19) && (*q == (char) 0xff)) {
//check if left-down, down or right-down is none transparent
//"down" only possible if y < 19
a = b = c = 0xff;
// left-down (left only possible if x > 0)
if(x > 0)
a = p[+19];
// down
b = p[+20];
// right-down (right only possible if x < 19)
if(x < 19)
c = p[+21];
// if non-transparent color is found change pixel
// to outline color
if((a != (unsigned char) 0xff)
|| (b != (unsigned char) 0xff)
|| (c != (unsigned char) 0xff)) {
// change to icon outline color
*q = color;
}
}
}
p++;
q++;
}
}
memcpy(pixels, pixels_copy, 400);
}
}
// add a symbol to the end of the symbol table.
//
// Here we actually draw the pixels into the SymbolData struct,
// which contains separate Pixmap's for the icon, the transparent
// background, and the ghost image.
//
void insert_symbol(char table, char symbol, char *pixel, int deg, char orient, int reloading) {
int x,y,idx,old_next,color,last_color,last_gc2;
Symbol *symbolItem = NULL;
// first time loading, -> create pixmap...
// when reloading -> reuse already created pixmaps...
if(reloading == 0) {
symbolItem = new Symbol;
} else
{
//TODO XXX find the symbol and set the pointer to it
}
QPainter pixPaint(&(symbolItem->pix));
QPainter pixMaskPaint(&(symbolItem->pix_mask));
QPainter pixMaskOldPaint(&(symbolItem->pix_mask_old));
old_next=0;
last_color = -1; // Something bogus
last_gc2 = -1; // Also bogus
for (y=0;y<20;y++) {
for (x=0;x<20;x++) {
switch (deg) {
case(0):
idx = 20* (19-x) + y;
break;
case(90):
idx = 20* y + (19-x);
break;
case(180):
idx = 20* (19-x) + (19-y);
break;
default:
idx = 20* y + x;
break;
}
color = (int)(pixel[idx]);
if (color<0)
color = 0xff;
// Change to new color only when necessary. We use two different
// GC's here, one for the main icon pixmap, and one for the symbol
// mask and ghost layer.
if (color != last_color) {
pixPaint.setPen(colors[color]);
last_color = color;
}
pixPaint.drawPoint(x,y);
// Create symbol mask
if (color != 0xff) {
if (last_gc2 != 1) {
pixMaskPaint.setPen(QColor("black"));
pixMaskOldPaint.setPen(QColor("black"));
last_gc2 = 1;
}
}
else {
if (last_gc2 != 0) {
pixMaskPaint.setPen(QColor("white"));
pixMaskOldPaint.setPen(QColor("white"));
last_gc2 = 0;
}
}
pixMaskPaint.drawPoint(x,y);
// Create ghost symbol mask by setting every 2nd bit
// to transparent
old_next++;
if (old_next>1) {
old_next=0;
if (last_gc2 != 0) {
pixMaskOldPaint.setPen(QColor("white"));
last_gc2 = 0;
}
}
pixMaskOldPaint.drawPoint(x,y);
}
old_next++; // shift one bit every scan line for ghost image
if (old_next>1)
old_next=0;
}
//symbolItem->pix.setMask(symbolItem->pix_mask);
symbolItem->table = table;
symbolItem->symbol = symbol;
symbolItem->orient = orient;
char key[4];
key[0] = table;
key[1] = symbol;
key[2] = orient;
key[3] = 0;
symbol_data.insert(QString(key), symbolItem);
}