bool Bitmap::blitString(const char *pszStr, int x, int y, u8 bSize)
{
// verify valid size index
if ( bSize > 3 || !pszStr )
return false;
// localize pointer (TODO: get rid of this offset)
Font *fnt = BWDATA::FontBase[bSize];
if ( !fnt->isValid() )
return false;
// verify if drawing should be done
if ( x + fnt->getTextWidth(pszStr) < 0 ||
y + fnt->getTextHeight(pszStr) < 0 ||
x >= this->width() ||
y >= this->height() )
return false;
// Reference an unsigned character array
const u8 *pbChars = (BYTE*)pszStr;
u8 lastColor = 0, color = 0;
int Xoffset = x, Yoffset = y;
// Iterate all characters in the message
for ( int c = 0; pbChars[c]; ++c )
{
// Perform control character and whitespace functions
if ( pbChars[c] <= ' ' )
{
switch ( pbChars[c] )
{
case 1: // restore last colour
color = lastColor;
continue;
case '\t': // 9 tab
Xoffset += fnt->getCharWidth( pbChars[c] );
continue;
case '\n': // 10 newline
Xoffset = x;
Yoffset += fnt->maxHeight();
continue;
case 11: // invisible
case 20:
color = (BYTE)~0;
continue;
case '\f': // 12 formfeed
break;
case '\r': // 13 carriage return
case 26:
continue;
case 18: // right align
Xoffset += this->width() - fnt->getTextWidth(pszStr) - x;
continue;
case 19: // center align
Xoffset += (this->width() - fnt->getTextWidth(pszStr))/2 - x;
continue;
case ' ': // space
Xoffset += fnt->maxWidth() / 2;
continue;
default: // colour code
lastColor = color;
color = gbColorTable[ pbChars[c] ];
continue;
}
}
// Skip if the character is not supported by the font
FontChar *fntChr = fnt->getChar( pbChars[c] );
if ( !fntChr->isValid() )
continue;
// If the colour is not "invisible"
if ( color != ~0 )
{
// begin drawing character process
for ( int i = 0, pos = 0; pos < fntChr->height() * fntChr->width(); ++i, ++pos )
{
// font position
pos += fntChr->pixelOffset(i);
// x offset
int newX = Xoffset + (fntChr->x() + pos % fntChr->width());
if ( newX >= this->width() ) break;
if ( newX < 0 ) continue;
// y offset
int newY = Yoffset + (fntChr->y() + pos / fntChr->width());
if ( newY >= this->height() ) break;
if ( newY < 0 ) continue;
// blit offset
int offset = newY * this->width() + newX;
if ( offset >= this->width() * this->height() ) break;
if ( offset < 0 ) continue;
// Plot pixel
this->data[offset] = gbFontColors[color][fntChr->colorMask(i)];
}
} // invis colour
// Increment the X offset for the width of the character
Xoffset += fntChr->width();
}
return true;
}
bool Bitmap::blitString(const char *pszStr, int x, int y, u8 size) {
// verify valid size index
if (size > 3 || !pszStr)
return false;
// localize pointer
Font *fnt = fontBase[size];
if (!fnt)
return false;
// verify if drawing should be done
if (x + fnt->getTextWidth(pszStr) < 0 ||
y + fnt->getTextHeight(pszStr) < 0 ||
x >= this->getWidth() || y >= this->getHeight())
return false;
// Reference an unsigned character array
const u8 *pbChars = (u8*) pszStr;
u8 lastColor = 0, color = 0;
int Xoffset = x, Yoffset = y;
// Iterate all characters in the message
for (int c = 0; pbChars[c]; ++c) {
// Perform control character and whitespace functions
if (pbChars[c] <= ' ') {
switch (pbChars[c]) {
case 1: // restore last colour
color = lastColor;
continue;
case '\t': // 9 tab
Xoffset += fnt->getCharWidth( pbChars[c] );
continue;
case '\n': // 10 newline
Xoffset = x;
Yoffset += fnt->maxHeight();
continue;
case 11: // invisible
case 20:
color = (u8)~0;
continue;
case '\f': // 12 formfeed
break;
case '\r': // 13 carriage return
case 26:
continue;
case 18: // right align
Xoffset += this->getWidth() - fnt->getTextWidth(pszStr) - x;
continue;
case 19: // center align
Xoffset += (this->getWidth() - fnt->getTextWidth(pszStr))/2 - x;
continue;
case ' ': // space
Xoffset += fnt->maxWidth() / 2;
continue;
default: // colour code
lastColor = color;
color = gbColorTable[ pbChars[c] ];
continue;
}
}
//Korean support
if (GetUserDefaultLangID() == MAKELANGID(LANG_KOREAN, SUBLANG_KOREAN)
&& IsDBCSLeadByte(pbChars[c])
&& !(pbChars[c] == 169 || pbChars[c] == 153)) {
this->blitKoreanChar((char*) &pbChars[c], Xoffset, Yoffset, size, color);
if (pbChars[++c])
continue;
break;
}
// Skip if the character is not supported by the font
FontChar *fntChr = fnt->getChar( pbChars[c] );
if (!fntChr)
continue;
// If the colour is not "invisible"
if ( color != ~0 )
{
// begin drawing character process
for ( int i = 0, pos = 0; pos < fntChr->getHeight() * fntChr->getWidth(); ++i, ++pos )
{
// font position
pos += fntChr->pixelOffset(i);
// x offset
int newX = Xoffset + (fntChr->getX() + pos % fntChr->getWidth());
if ( newX >= this->getWidth() ) break;
if ( newX < 0 ) continue;
// y offset
int newY = Yoffset + (fntChr->getY() + pos / fntChr->getWidth());
if ( newY >= this->getHeight() ) break;
if ( newY < 0 ) continue;
// blit offset
int offset = newY * this->getWidth() + newX;
if ( offset >= this->getWidth() * this->getHeight() ) break;
if ( offset < 0 ) continue;
// Plot pixel
this->data[offset] = gbFontColors[color][fntChr->colorMask(i)];
}
} // invis colour
// Increment the X offset for the width of the character
Xoffset += fntChr->getWidth();
}
return true;
}
