int MeasureChar(int c)
{
if (FNT(0))
return FNT(0); // monospaced font
if (c == 32)
return FNT(1)>>2; // Space is 1/4 font height (yuk);
int i = c - FNT(3);
if (i < 0 || i >= FNT(4)) return 0;
int ci = 6 + i * 2;
int width = (FNT(ci) << 8) | FNT(ci + 1); // simplify
int src = 0;
if (i > 0)
{
src = (FNT(ci - 2) << 8) | FNT(ci - 1);
width -= src;
}
return width;
}
int DrawChar(int xx, int yy, int c)
{
//byte* f = Verdana_font_11;
if (c == 32)
return FNT(1)>>2; // Space is 1/4 font height (yuk);
int i = c - FNT(3);
if (i < 0 || i >= FNT(4)) return 0;
int ci = 6 + i * 2;
int width = (FNT(ci) << 8) | FNT(ci + 1); // simplify
int height = FNT(1);
int src = 0;
if (i > 0)
{
src = (FNT(ci - 2) << 8) | FNT(ci - 1);
width -= src;
}
// clip?
src += (6 + 2 * FNT(4)) * 8; // start of pixels (roll into cols)
byte mask = 0x80 >> (src & 7); // Mask at start of line
int end = (src+width) >> 3; // number of bytes read
src >>= 3;
int makeup = FNT(5) - (end + 1 - src);
for (byte y = 0; y < (byte)height; y++)
{
byte p = FNT(src++);
byte m = mask;
for (byte x = 0; x < (byte)width; x++)
{
if (p & m)
Graphics::PutPixel(x + xx, y + yy);
m >>= 1;
if (m == 0)
{
p = FNT(src++);
if (p == 0 && (width-x) <= 8) // early out
break;
m = 0x80;
}
}
src += makeup;
}
return width;
}
/** @brief Draws a char on the screen
* @param xx Horizontal location to draw the char at
* @param yy Vertical location to draw the char at
* @param c char to draw
* @todo clean this function up. It's messy and doesn't make sense (but it works..)
*/
int DrawChar(int xx, int yy, int c)
{
//uint8_t* f = Verdana_font_11;
if (c == 32)// a space
return FNT(1)>>2; // Space is 1/4 font height (yuk);
int i = c - FNT(3);
if (i < 0 || i >= FNT(4))
{
return 0;
}
int ci = 6 + i * 2;
int width = (FNT(ci) << 8) | FNT(ci + 1); // simplify
int height = FNT(1);
int src = 0;
if (i > 0)
{
src = (FNT(ci - 2) << 8) | FNT(ci - 1);
width -= src;
}
// clip?
src += (6 + 2 * FNT(4)) * 8; // start of pixels (roll into cols)
uint8_t mask = 0x80 >> (src & 7); // Mask at start of line
int end = (src+width) >> 3; // number of bytes read
src >>= 3;
int makeup = FNT(5) - (end + 1 - src);
for (uint8_t y = 0; y < (uint8_t)height; y++)
{
uint8_t p = FNT(src++);
uint8_t m = mask;
for (uint8_t x = 0; x < (uint8_t)width; x++)
{
if (p & m)
{
SetWrap(x + xx, y + yy, 1, 1);
SetGRAM();
_ph = x;
_pv = y;
SolidFill(2);
}
m >>= 1;
if (m == 0)
{
p = FNT(src++);
if (p == 0 && (width-x) <= 8) // early out
break;
m = 0x80;
}
}
src += makeup;
}
return width;
}
