void JFont::writechar(String s,ImageType *j,int x,int y,float scale,ColourType c) {
// Doesn't work under RH6 int i=fcs.find(&fcalled,s);
int i=fcs.findlike(&JFontfsamename,FontChar(s));
if (i>0) {
FontChar *fc=fcs.p2num(i);
fc->writetojbmp(j,x,y,scale,c);
}
}
void writechar(String s,RGBmp *j,int x,int y,float scale,myRGB c) {
// Doesn't work under RH6 int i=fcs.find(&fcalled,s);
int i=fcs.findlike(&JFontfsamename,FontChar(s));
if (i>0) {
FontChar *fc=fcs.p2num(i);
fc->writetojbmp(j,x,y,scale,c);
}
}
void main(int argc,String *argv) {
ArgParser a=ArgParser(argc,argv);
String fname=a.argafter("-i","Font file (.jf)");
float fw=a.floatafter("-fw","Font width",0.1);
// We parse from
List<String> lines=parsefileintolines(fname);
// into
List<FontChar> fcs=List<FontChar>();
for(int i=1;i<=lines.len;i++) {
String current=lines.num(i);
// printf("Parsing line %s\n",current);
StringParser s=StringParser(current);
String character=s.getbefore(":");
// printf("Reading character %s ...",character);
FontChar fc=FontChar(character);
while (s.someleft()) {
char whatisit=s.getchar();
printf("It is a %c\n",whatisit);
switch (whatisit) {
case 'L':
printf("Found a line\n");
float xa=tofloat(s.getbefore(","));
float ya=tofloat(s.getbefore("_"));
bool keepgoing=true;
while (keepgoing) {
float xb=tofloat(s.getbefore(","));
float yb=s.getfloat();
fc.bs.add(FLine(xa,ya,xb,yb,fw));
char c=s.getchar();
if (c==';')
keepgoing=false;
else
if (c!='_')
printf("Expected _");
}
break;
/* case 'C':
String type=s.getanyof("TBLRNESW");
float x=tofloat(s.getbefore(","));
float y=tofloat(s.getbefore(","));
float r=tofloat(s.getbefore(";"));
FArc fa=FArc(x,y,r);
if (Seq(type,"T") {
fa.aa=0;
fa.ab=2*pi;
}
if (Seq(type,"T") {
fa.aa=-pi/2.0;
fa.ab=pi/2.0;
}
if (Seq(type,"B") {
fa.aa=pi/2.0;
fa.ab=2*pi-pi/2.0;
}
if (Seq(type,"L") {
fa.aa=-pi;
fa.ab=0;
}
if (Seq(type,"R") {
fa.aa=0;
fa.ab=pi;
}
if (Seq(type,"NW") {
fa.aa=-pi/2.0;
fa.ab=0;
}
if (Seq(type,"NE") {
fa.aa=0;
fa.ab=pi/2.0;
}
if (Seq(type,"SE") {
fa.aa=pi/2.0;
fa.ab=pi;
}
if (Seq(type,"SW") {
fa.aa=-pi;
fa.ab=-pi/2.0;
}
fc.bs.add(fa);
break;
case '+':
String search=s.getbefore(";");
int find=0;
for (int j=1;j<i && find==0;j++) {
if (Seq(search,fcs.p2num(j)->name))
find=j;
}
if (find==0)
printf("You haven't defined character %s before %s",find,character);
fc.bs.add(fcs.p2num(j)->bs);
break;
default:
printf("What kind of FontBit is a %s?",toString(whatisit));
break;
*/
}
};
fcs.add(fc);
printf(" has %i bits\n",fc.bs.len);
}
}
List<FontChar> parsefontchars(String fname,float fwgiven) {
// We parse from
List<String> lines=readlinesfromfile(fname);
// into
List<FontChar> fcs=List<FontChar>();
float fw=tofloat(lines.num(1));
if (fwgiven>0)
fw=fwgiven;
for(int i=2;i<=lines.len;i++) {
String current=lines.num(i);
StringParser s=StringParser(current);
if (s.someleft() && !Seq("//",Sleft(current,2))) {
String character=s.getbefore(":");
FontChar fc=FontChar(character);
while (s.someleft()) {
char whatisit=s.getachar();
if (whatisit=='L') {
String type=s.getanyof("HVRL");
float xa=tofloat(s.getbefore(","));
float ya=tofloat(s.getbefore("_"));
bool keepgoing=true;
while (keepgoing) {
float xb=tofloat(s.getbefore(","));
float yb=s.getfloat();
// printf("new line %f %f %f %f\n",xa,ya,xb,yb);
fc.bs.add(new FLine(xa,-ya,xb,-yb,fw,type));
xa=xb; ya=yb;
// printf("one line added\n");
// printf("From %s we pick off ",s.current);
char c=s.getachar();
// printf("%c, to get %s\n",c,s.current);
if (c==';')
keepgoing=false;
else
if (c!='_')
s.error(Sformat("Expected _, got %c",c));
};
}
if (whatisit=='C') {
String type=s.getanyof("TBLRNESWXOr");
bool anti=Sdoremove(type,"X");
bool rounded=Sdoremove(type,"r");
float x=tofloat(s.getbefore(","));
float y=tofloat(s.getbefore(","));
// String next=( Seq(type,"O") ? "," : ";" );
String next;
if (Seq(type,"O"))
next=",";
else
next=";";
float r=tofloat(s.getbefore(next));
// printf("Arc rad %f ",r);
FArc *fa=new FArc(x,y,r,fw,rounded);
if (Slen(type)==0) {
fa->aa=0;
fa->ab=2*pi;
}
if (Seq(type,"O")) {
fa->aa=tofloat(s.getbefore(","))*2*pi/8.0;
fa->ab=tofloat(s.getbefore(";"))*2*pi/8.0;
}
if (Seq(type,"T")) {
fa->aa=-pi/2.0;
fa->ab=pi/2.0;
}
if (Seq(type,"B")) {
fa->aa=pi/2.0;
fa->ab=2*pi-pi/2.0;
}
if (Seq(type,"L")) {
fa->aa=-pi;
fa->ab=0;
}
if (Seq(type,"R")) {
fa->aa=0;
fa->ab=pi;
}
if (Seq(type,"NW")) {
fa->aa=-pi/2.0;
fa->ab=0;
}
if (Seq(type,"NE")) {
fa->aa=0;
fa->ab=pi/2.0;
}
if (Seq(type,"SE")) {
fa->aa=pi/2.0;
fa->ab=pi;
}
if (Seq(type,"SW")) {
fa->aa=-pi;
fa->ab=-pi/2.0;
}
if (anti)
swap(&fa->aa,&fa->ab);
/*if (Seq(type,"XSE")) {
fa->aa=-pi;
fa->ab=pi/2.0;
}
if (Seq(type,"XNW")) {
fa->aa=0;
fa->ab=2*pi-pi/2.0;
}*/
fc.bs.add(fa);
}
if (whatisit=='+') {
String search=s.getbefore(";");
int find=0;
for (int j=1;j<=fcs.len && find==0;j++) {
if (Seq(search,fcs.p2num(j)->name))
find=j;
}
if (find==0)
error("You haven't defined character %s before %s",search,character);
fc.bs.add(fcs.p2num(find)->bs);
// default:
// printf("What kind of FontBit is a %s?",toString(whatisit));
}
};
fcs.add(fc);
// printf("%s (%i) ... ",fc.name,fc.bs.len);
}
}
printf("Parsed %s\n",fname);
lines.freedom();
return fcs;
}
FontChar clone() const {
auto ptr = std::make_unique<uint8_t[]>(this->datasize());
memcpy(ptr.get(), this->data.get(), this->datasize());
return FontChar(std::move(ptr), this->offset, this->baseline, this->width, this->height, this->incby);
}
// Constructor
// Params :
// - file_path : path to the font definition file (*.fv1)
//==============================================================================
explicit Font(const char * file_path) {
//==============================================================================
int fd;
int b;
// we start at space, no glyph for chars below 32
int file_size;
TODO("Temporary disabling font to avoid useless messages in watchdog");
// LOG(LOG_INFO, "Reading font file %s", file_path);
// RAZ of font chars table
// Does font definition file exist and is it accessible ?
if (access(file_path, F_OK)) {
LOG(LOG_ERR,
"create: error font file [%s] does not exist\n",
file_path);
goto ErrorReadingFontFile;
}
// Retrieves system stats about the file
struct stat st;
if (stat(file_path, &st)) {
LOG(LOG_ERR, "create: can't stat file [%s]\n", file_path);
goto ErrorReadingFontFile;
}
// Is file empty ?
if (st.st_size < 1) {
LOG(LOG_ERR, "create: empty font file [%s]\n", file_path);
goto ErrorReadingFontFile;
}
// Allocate a buffer to read the whole file into
file_size = st.st_size;
if (-1 == (fd = open(file_path, O_RDONLY))){
LOG(LOG_ERR, "create: can't open font file [%s] for reading\n", file_path);
goto ErrorReadingFontFile;
}
{
std::size_t size_to_read = file_size;
std::size_t const stream_buf_sz = 8192;
char stream_buf[stream_buf_sz];
// Read header
// -----------
while ((b = read(fd, stream_buf, stream_buf_sz)) < 0) {
if (b >= 0){
break;
}
if ((errno == EAGAIN)||(errno == EINTR)){
continue;
}
LOG(LOG_ERR,"create: error reading font file [%s] error: %s\n", file_path, strerror(errno));
goto ErrorReadingFontFile;
}
InStream stream(stream_buf, b);
size_to_read -= b;
if (size_to_read == 0){
close(fd);
fd = -1;
}
// Extract font info from the buffer
//----------------------------------
stream.in_skip_bytes(4); // >>> 4 bytes for FNT1 (dropped)
stream.in_copy_bytes(this->name, 32); // >>> 32 bytes for Font Name
this->size = stream.in_uint16_le(); // >>> 2 bytes for Font Size
TODO("temporary disabled to avoid warning in watchdog, see other TODO above to reenable later");
// LOG(LOG_INFO, "font name <%s> size <%u>", this->name, this->size);
this->style = stream.in_uint16_le(); // >>> 2 bytes for Font Style
stream.in_skip_bytes(8); // >>> 8 bytes for PAD (dropped)
// Extract each character glyph
for (int index = 32; index < NUM_GLYPHS ; index++) {
unsigned remaining = stream.in_remain();
if (remaining < 1024){
if (size_to_read > 0){
TODO("Create a pack_left function in stream to do this");
//-----------------------------------------------------
memmove(stream_buf, stream.get_current(), remaining);
//-----------------------------------------------------
while ((b = read(fd, stream_buf + remaining, std::min(size_to_read, stream_buf_sz - remaining))) < 0){
if (b >= 0){
break;
}
if ((errno == EAGAIN)||(errno == EINTR)){
continue;
}
LOG(LOG_ERR,"create: error reading font file [%s] error: %s\n", file_path, strerror(errno));
goto ErrorReadingFontFile;
}
stream = InStream(stream_buf, remaining + b);
size_to_read -= b;
if (size_to_read == 0){
close(fd);
fd = -1;
}
}
// no more remaining glyphs in file
if (!stream.in_check_rem(1)){
LOG(LOG_INFO, "Font file %s defines glyphs up to %d", file_path, index);
break;
}
if (!stream.in_check_rem(16)){
LOG(LOG_WARNING, "Font file %s defines glyphs up to %d, file looks broken", file_path, index);
break;
}
}
// LOG(LOG_INFO, "Reading definition for glyph %u", index);
int width = stream.in_sint16_le(); // >>> 2 bytes for glyph width
int height = stream.in_sint16_le(); // >>> 2 bytes for glyph height
TODO(" baseline is always -height (seen from the code of fontdump) looks strange. It means that baseline is probably not used in current code.");
int baseline = stream.in_sint16_le(); // >>> 2 bytes for glyph baseline
int offset = stream.in_sint16_le(); // >>> 2 bytes for glyph offset
int incby = stream.in_sint16_le(); // >>> 2 bytes for glyph incby
stream.in_skip_bytes(6); // >>> 6 bytes for PAD (dropped)
this->font_items[index] = FontChar(offset, baseline, width, height, incby);
// Check if glyph data size make sense
unsigned datasize = this->font_items[index].datasize();
if (datasize > 512) { // shouldn't happen, implies broken font file
LOG(LOG_WARNING,
"Error loading font %s. Wrong size for glyph %d"
"width %d height %d \n", file_path, index,
this->font_items[index].width,
this->font_items[index].height);
// one glyph is broken but we continue with other glyphs
continue;
}
// Read the data only if there is enough space left in buffer
if (!stream.in_check_rem(datasize)) {
LOG(LOG_ERR
, "Error loading font %s: not enough data for definition of glyph %d (expected %u, got %zu)\n"
, file_path, index, datasize, stream.in_remain()
);
goto ErrorReadingFontFile;
}
// >>> <datasize> bytes for glyph data (bitmap)
stream.in_copy_bytes(this->font_items[index].data.get(), datasize);
}
}
return;
ErrorReadingFontFile:
LOG(LOG_ERR, "Error reading font definition file %s, exiting proxy", file_path);
exit(-1);
}
