ctdo
/
crashtest-r0ket
16
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Support for non-integer heights

This commit is contained in:
Stefan `Sec` Zehl 2011-05-14 22:15:30 +02:00
parent 0eff38ac06
commit 4d89560723
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
lcd/decoder.c
View File

@ -9,9 +9,11 @@ uint8_t * pk_decode(const uint8_t * data,int*len){
// int off=0; // Offset into au8FontTable for bytestream // int off=0; // Offset into au8FontTable for bytestream
int length=*len; // Length of character bytestream int length=*len; // Length of character bytestream
int height; // Height of character in bytes int height; // Height of character in bytes
int hoff; // bit position for non-integer heights
uint8_t * bufptr=buf; // Output buffer for decoded character uint8_t * bufptr=buf; // Output buffer for decoded character
height=(font->u8Height-1)/8+1; height=(font->u8Height-1)/8+1;
hoff=font->u8Height%8;
// Local function: Get next nibble. // Local function: Get next nibble.
int ctr=0; // offset for next nibble int ctr=0; // offset for next nibble
@ -92,12 +94,18 @@ uint8_t * pk_decode(const uint8_t * data,int*len){
// printf("have %d bits. Got %d (%d)-bits...(r=%d)",pos, nyb, curbit,repeat); // printf("have %d bits. Got %d (%d)-bits...(r=%d)",pos, nyb, curbit,repeat);
while(nyb-->0){ while(nyb-->0){
if(pos==0){
*bufptr=0;
};
if(curbit==1){ if(curbit==1){
*bufptr|=1<<(7-pos); *bufptr|=1<<(7-pos);
}else{
*bufptr&=~(1<<(7-pos));
}; };
pos++; pos++;
if(((bufptr-buf)%height)==(height-1) && (pos==hoff)){
// Finish incomplete last byte per column
pos=8;
};
if(pos==8){ if(pos==8){
// printf("BYTE: 0x%02x\n",*bufptr); // printf("BYTE: 0x%02x\n",*bufptr);
bufptr++; bufptr++;