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renderer now works with >8px fonts and proportional width fonts

This commit is contained in:
Stefan `Sec` Zehl 2011-05-12 02:23:07 +02:00
parent 32fe82eff9
commit cf27356102
1 changed files with 14 additions and 12 deletions
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26
lcd/render.c
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@ -12,26 +12,29 @@ int DoChar(int sx, int sy, char c){
int x;
int y;
/* how many bytes is it high? */
char height=(font->u8Height-1)/8+1;
/* "real" coordinates. Our physical display is upside down */
int rx=RESX-sx-1;
int ry=RESY-sy-font->u8Height;
/* how many bytes is it high? */
char height=(font->u8Height-1)/8+1;
// int ry=RESY-sy-height*8;
/* Does this font provide this character? */
if(c<font->u8FirstChar || c>font->u8LastChar)
c=font->u8FirstChar+1; // error
/* starting offset into character source data */
int off,width;
int off,width,blank;
if(font->u8Width==0){
off=font->charInfo[c-font->u8FirstChar].offset;
width=font->charInfo[c-font->u8FirstChar].widthBits;
// width=(font->charInfo[c-font->u8FirstChar].offset-off)/8;
blank=1;
}else{
off=(c-font->u8FirstChar)*font->u8Width*height;
width=font->u8Width;
blank=0;
};
/* raw character data */
@ -56,19 +59,14 @@ int DoChar(int sx, int sy, char c){
if(y==0){
mask=mask>>(yoff);
} else if(y==height){
if(font->u8Height==6)
mask=252;
if(font->u8Height==10)
mask=192;
if(font->u8Height==16)
mask=255;
mask=mask<<((8-(font->u8Height%8))%8);
mask=mask<<(8-yoff);
};
if(font_direction==FONT_DIR_LTR)
flip(mask);
for(x=0;x<font->u8Width;x++){
for(x=0;x<width;x++){
unsigned char b1,b2;
if(y==0)
b1=0;
@ -86,8 +84,12 @@ int DoChar(int sx, int sy, char c){
buffer[(rx+dmul*x)+(yidx+y)*RESX]&=~mask;
buffer[(rx+dmul*x)+(yidx+y)*RESX]|=byte;
};
if(blank){
buffer[(rx+dmul*x)+(yidx+y)*RESX]&=~mask;
};
return sx-dmul*x;
};
return sx-dmul*(x+blank);
};
int DoString(int sx, int sy, char *s){