void
MenuTexture::SetString( )
{
// LOGI("Menu Texture set string: <%s> %dx%d stride %d bpp %d", menu_str, width, height, stride, bpp );
// LOGI("Menu Texture set string: <%s> len %d", menu_str, len );
CharMap * chars = CharMap::Instance();
int len = strlen( menu_str );
memset( texData, 0xff, stride * height );
int xoff = 0;
for ( int k=0; k<len && xoff+WIDTH*bpp<=stride; ++k) {
unsigned char * shape = chars->Shape( menu_str[k] );
for (unsigned char m = 0x80; m > 0; m>>=1) {
unsigned char * off = texData + xoff;
for ( int j=0; j<HEIGHT; ++j ) {
if ( (m & shape[ j ]) == m ) {
memset( off, 0, bpp );
off[bpp-1] = 0xff;
}
off += stride;
}
xoff += bpp;
}
xoff += 2 * bpp;
}
// InitTexture(); // do not initailize here: makes a black rectangle
}
void
StationTexture::AddStation( int k, const char * str )
{
if ( k >= nStation ) return;
int col = k % COLS;
int row = k / COLS;
int len = (length < strlen( str ))? length : strlen(str);
float h = 1.0f / rows;
float lw = len * (1.0f / (length * COLS));
float cw = col * (1.0f / COLS);
int k20 = k*20;
int k4 = k*4;
int k6 = k*6;
vertex[ k20 + 3 ] = cw; // (0) ---------- (1) k
vertex[ k20 + 4 ] = (row+1) * h; // | |
vertex[ k20 + 5 + 3 ] = cw + lw; // (2) ---------- (3) k+1
vertex[ k20 + 5 + 4 ] = (row+1) * h;
vertex[ k20 +10 + 3 ] = cw;
vertex[ k20 +10 + 4 ] = (row+0) * h;
vertex[ k20 +15 + 3 ] = cw + lw;
vertex[ k20 +15 + 4 ] = (row+0) * h;
// geom coords are not initialized
index[k6 + 0] = k4 + 0;
index[k6 + 1] = k4 + 2;
index[k6 + 2] = k4 + 1;
index[k6 + 3] = k4 + 1;
index[k6 + 4] = k4 + 2;
index[k6 + 5] = k4 + 3;
CharMap * chars = CharMap::Instance();
int xoff = name_stride * col;
int yoff = table_stride * row * HEIGHT;
for ( int k1=0; k1<len; ++k1) {
unsigned char * shape = chars->Shape( str[k1] );
for (unsigned char m = 0x80; m > 0; m>>=1) {
unsigned char * off = texData + yoff + xoff;
for ( int j=0; j<HEIGHT; ++j ) {
if ( (m & shape[ j ]) == m ) {
memset( off, 0, bpp );
off[0] = 0xff;
off[bpp-1] = 0xff;
}
off += table_stride;
}
xoff += bpp;
}
xoff += 2 * bpp; // two empty pixel after each char
}
}
void
MenuTexture::UpdateString( int j )
{
CharMap * chars = CharMap::Instance();
int xoff = j * 10 * bpp;
unsigned char * shape = chars->Shape( menu_str[j] );
for (unsigned char m = 0x80; m > 0; m>>=1) {
unsigned char * off = texData + xoff;
for ( int j=0; j<HEIGHT; ++j ) {
if ( (m & shape[ j ]) == m ) {
memset( off, 0, bpp );
off[bpp-1] = 0xff;
}
off += stride;
}
xoff += bpp;
}
}