void FTFont::BBox( const char* string,
float& llx, float& lly, float& llz, float& urx, float& ury, float& urz)
{
FTBBox totalBBox;
if((NULL != string) && ('\0' != *string))
{
const unsigned char* c = (unsigned char*)string;
CheckGlyph( *c);
totalBBox = glyphList->BBox( *c);
float advance = glyphList->Advance( *c, *(c + 1));
++c;
while( *c)
{
CheckGlyph( *c);
FTBBox tempBBox = glyphList->BBox( *c);
tempBBox.Move( FTPoint( advance, 0.0f, 0.0f));
totalBBox += tempBBox;
advance += glyphList->Advance( *c, *(c + 1));
++c;
}
}
llx = totalBBox.lowerX;
lly = totalBBox.lowerY;
llz = totalBBox.lowerZ;
urx = totalBBox.upperX;
ury = totalBBox.upperY;
urz = totalBBox.upperZ;
}
void FTFont::BBox( const wchar_t* string,
float& llx, float& lly, float& llz, float& urx, float& ury, float& urz)
{
FTBBox totalBBox;
if((NULL != string) && ('\0' != *string))
{
const wchar_t* c = string;
float advance = 0;
if(CheckGlyph( *c))
{
totalBBox = glyphList->BBox( *c);
advance = glyphList->Advance( *c, *(c + 1));
}
while( *++c)
{
if(CheckGlyph( *c))
{
FTBBox tempBBox = glyphList->BBox( *c);
tempBBox.Move( FTPoint( advance, 0.0f, 0.0f));
totalBBox += tempBBox;
advance += glyphList->Advance( *c, *(c + 1));
}
}
}
llx = totalBBox.lowerX;
lly = totalBBox.lowerY;
llz = totalBBox.lowerZ;
urx = totalBBox.upperX;
ury = totalBBox.upperY;
urz = totalBBox.upperZ;
}
inline FTPoint FTFontImpl::RenderI(const T* string, const int len,
FTPoint position, FTPoint spacing,
int renderMode)
{
// for multibyte - we can't rely on sizeof(T) == character
FTUnicodeStringItr<T> ustr(string);
for(int i = 0; (len < 0 && *ustr) || (len >= 0 && i < len); i++)
{
unsigned int thisChar = *ustr++;
unsigned int nextChar = *ustr;
if(CheckGlyph(thisChar))
{
position += glyphList->Render(thisChar, nextChar,
position, renderMode);
}
if(nextChar)
{
position += spacing;
}
}
return position;
}
inline FTPoint FTTextureFont::RenderI(const T* string, const int len,
FTPoint position, FTPoint spacing)
{
if (!FTTextureFont::custom_shader) {
Render::set_effect(Render::FONT);
}
// for multibyte - we can't rely on sizeof(T) == character
FTUnicodeStringItr<T> ustr(string);
for(int i = 0; (len < 0 && *ustr) || (len >= 0 && i < len); i++) {
unsigned int thisChar = *ustr++;
unsigned int nextChar = *ustr;
if (CheckGlyph(thisChar)) {
position += glyphList->Render(thisChar, nextChar,
position);
}
if (nextChar) {
position += spacing;
}
}
if (!FTTextureFont::custom_shader) {
Render::disable_effect();
}
return position;
}
inline FTBBox FTFontImpl::BBoxI(const T* string, const int len,
FTPoint position, FTPoint spacing)
{
FTBBox totalBBox;
/* Only compute the bounds if string is non-empty. */
if(string && ('\0' != string[0]))
{
// for multibyte - we can't rely on sizeof(T) == character
FTUnicodeStringItr<T> ustr(string);
unsigned int thisChar = *ustr++;
unsigned int nextChar = *ustr;
if(CheckGlyph(thisChar))
{
totalBBox = glyphList->BBox(thisChar);
totalBBox += position;
position += FTPoint(glyphList->Advance(thisChar, nextChar), 0.0);
}
/* Expand totalBox by each glyph in string */
for(int i = 1; (len < 0 && *ustr) || (len >= 0 && i < len); i++)
{
thisChar = *ustr++;
nextChar = *ustr;
if(CheckGlyph(thisChar))
{
position += spacing;
FTBBox tempBBox = glyphList->BBox(thisChar);
tempBBox += position;
totalBBox |= tempBBox;
position += FTPoint(glyphList->Advance(thisChar, nextChar),
0.0);
}
}
}
return totalBBox;
}
void FTFont::Render (const wchar_t* string) {
const wchar_t* c = string;
pen.X(0);
pen.Y(0);
while (*c) {
if (CheckGlyph (*c)) pen = glyphList->Render (*c, *(c + 1), pen);
++c;
}
}
void FTFont::Render (const char* string) {
const unsigned char* c = (unsigned char*)string;
pen.X(0);
pen.Y(0);
while (*c) {
if (CheckGlyph (*c)) pen = glyphList->Render (*c, *(c + 1), pen);
++c;
}
}
float FTFont::Advance (const char* string) {
const unsigned char* c = (unsigned char*)string;
float width = 0.0f;
while (*c) {
if (CheckGlyph (*c)) width += glyphList->Advance (*c, *(c + 1));
++c;
}
return width;
}
float FTFont::Advance (const wchar_t* string) {
const wchar_t* c = string;
float width = 0.0f;
while (*c) {
if (CheckGlyph (*c)) width += glyphList->Advance (*c, *(c + 1));
++c;
}
return width;
}
void FTFont::DoRender( const unsigned int chr, const unsigned int nextChr)
{
CheckGlyph( chr);
FTPoint kernAdvance = glyphList->Render( chr, nextChr, pen);
// pen.x += kernAdvance.x;
if(monospace)
{
pen.x += kernAdvance.x;
}
else
pen.x += kernAdvance.x;
pen.y += kernAdvance.y;
}
inline float FTTextureFont::AdvanceI(const T* string, const int len,
FTPoint spacing)
{
float advance = 0.0f;
FTUnicodeStringItr<T> ustr(string);
for (int i = 0; (len < 0 && *ustr) || (len >= 0 && i < len); i++) {
unsigned int thisChar = *ustr++;
unsigned int nextChar = *ustr;
if (CheckGlyph(thisChar)) {
advance += glyphList->Advance(thisChar, nextChar);
}
if (nextChar) {
advance += spacing.Xf();
}
}
return advance;
}
