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Some more cleanup

This commit is contained in:
Stefan `Sec` Zehl 2011-05-15 00:56:33 +02:00
parent 073ff2c25d
commit 5f4d76c18e
1 changed files with 10 additions and 27 deletions
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37
lcd/render.c
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@ -1,5 +1,6 @@
#include <sysdefs.h>
#include <render.h>
#include <decoder.h>
#include <fonts.h>
/* Global Variables */
@ -8,10 +9,8 @@ char font_direction = FONT_DIR_LTR;
/* Exported Functions */
uint8_t * pk_decode(const uint8_t * data,int*len);
int DoChar(int sx, int sy, char c){
int x=0;
int y;
/* how many bytes is it high? */
char height=(font->u8Height-1)/8+1;
@ -27,28 +26,18 @@ int DoChar(int sx, int sy, char c){
c=font->u8FirstChar+1; // error
/* starting offset into character source data */
int toff,width,preblank,blank;
int toff=0,width,preblank=0,blank=0;
if(font->u8Width==0){
toff=0;
width=font->charInfo[c-font->u8FirstChar].widthBits;
for(y=0;y<c-font->u8FirstChar;y++)
for(int y=0;y<c-font->u8FirstChar;y++)
toff+=font->charInfo[y].widthBits;
width=font->charInfo[c-font->u8FirstChar].widthBits;
toff*=height;
data=&font->au8FontTable[toff];
preblank=0;
blank=1;
/* }else if(font->u8Width==1){
FONT_CHAR_INFO_v2 * fci=(FONT_CHAR_INFO_v2*)font->charInfo;
off=0;
width=fci[c-font->u8FirstChar].widthBits;
for(y=0;y<c-font->u8FirstChar;y++)
off+=fci[y].widthBits;
off*=height;
preblank=fci[y].preblank;
blank=fci[y].blank; */
}else if(font->u8Width==1){ // NEW CODE
// Find offset and length for our character
toff=0;
for(int y=0;y<c-font->u8FirstChar;y++)
toff+=font->charInfo[y].widthBits;
width=font->charInfo[c-font->u8FirstChar].widthBits;
@ -57,19 +46,14 @@ int DoChar(int sx, int sy, char c){
preblank = font->au8FontTable[toff+1];
blank= font->au8FontTable[toff+2];
data=&font->au8FontTable[toff+3];
width/=height;
width-=1;
width=(width/height)-1;
}else{
data=pk_decode(&font->au8FontTable[toff],&width);
preblank=0;
blank=0;
}
}else{
toff=(c-font->u8FirstChar)*font->u8Width*height;
width=font->u8Width;
data=&font->au8FontTable[toff];
preblank=0;
blank=0;
};
// boundary sanity checks
@ -99,7 +83,7 @@ int DoChar(int sx, int sy, char c){
rx+=dmul*preblank;
/* multiple 8-bit-lines */
for(y=0;y<=height;y++){
for(int y=0;y<=height;y++){
int m=yoff+font->u8Height-8*y;
if(m>8)m=8;
if(m<0)m=0;
@ -111,12 +95,11 @@ int DoChar(int sx, int sy, char c){
if(mask==0) // Optimize :-)
break;
// buffer[(rx-dmul)+(yidx+y)*RESX]=5;
if(font_direction==FONT_DIR_LTR)
flip(mask);
for(m=1;m<=preblank;m++){
for(int m=1;m<=preblank;m++){
buffer[(rx-dmul*(m))+(yidx+y)*RESX]&=~mask;
};
for(x=0;x<width;x++){
@ -137,7 +120,7 @@ int DoChar(int sx, int sy, char c){
buffer[(rx+dmul*x)+(yidx+y)*RESX]&=~mask;
buffer[(rx+dmul*x)+(yidx+y)*RESX]|=byte;
};
for(m=0;m<blank;m++){
for(int m=0;m<blank;m++){
buffer[(rx+dmul*(x+m))+(yidx+y)*RESX]&=~mask;
};
};