#ifdef HAVE_CONFIG_H

# include <config.h>

#endif

#include <libnr/nr-rect.h>

#include <libnrtype/font-glyph.h>

#include <libnrtype/font-instance.h>

#include <livarot/Path.h>

#include "RasterFont.h"

# include <freetype/ftoutln.h>

# include <freetype/ftbbox.h>

# include <freetype/internal/tttypes.h>

# include <freetype/internal/ftstream.h>

# include <freetype/tttags.h>

# include <pango/pangoft2.h>

size_t font_style_hash::operator()(const font_style &x) const {

int h=0,n;

for (int i=0;i<6;i++) {

n=(int)floor(100*x.transform[i]);

h*=12186;

h+=n;

}

n=(int)floor(100*x.stroke_width);

h*=12186;

h+=n;

n=(x.vertical)?1:0;

h*=12186;

h+=n;

if ( x.stroke_width >= 0.01 ) {

n=x.stroke_cap*10+x.stroke_join+(int)(x.stroke_miter_limit*100);

h*=12186;

h+=n;

if ( x.nbDash > 0 ) {

n=x.nbDash;

h*=12186;

h+=n;

n=(int)floor(100*x.dash_offset);

h*=12186;

h+=n;

for (int i=0;i<x.nbDash;i++) {

n=(int)floor(100*x.dashes[i]);

h*=12186;

h+=n;

}

}

}

return h;

}

bool font_style_equal::operator()(const font_style &a,const font_style &b) {

NR::Matrix diff=a.transform.inverse();

diff*=b.transform;

if ( diff.is_translation(0.01) ) {

if ( fabs(diff[4]) < 0.01 && fabs(diff[5]) < 0.01 ) {

} else {

return false;

}

} else {

return false;

}

if ( a.vertical && b.vertical == false ) return false;

if ( a.vertical == false && b.vertical ) return false;

if ( a.stroke_width > 0.01 && b.stroke_width <= 0.01 ) return false;

if ( a.stroke_width <= 0.01 && b.stroke_width > 0.01 ) return false;

if ( a.stroke_width <= 0.01 && b.stroke_width <= 0.01 ) return true;

if ( a.stroke_cap != b.stroke_cap ) return false;

if ( a.stroke_join != b.stroke_join ) return false;

if ( fabs(a.stroke_miter_limit-b.stroke_miter_limit) > 0.01) return false;

if ( a.nbDash != b.nbDash ) return false;

if ( a.nbDash <= 0 ) return true;

if ( fabs(a.dash_offset-b.dash_offset) < 0.01 ) {

for (int i=0;i<a.nbDash;i++) {

if ( fabs(a.dashes[i]-b.dashes[i]) >= 0.01 ) return false;

}

} else {

return false;

}

return true;

}

#ifndef USE_PANGO_WIN32

typedef struct ft2_to_liv {

Path* theP;

double scale;

NR::Point last;

} ft2_to_liv;

static int ft2_move_to (FT_Vector * to, void * i_user) {

ft2_to_liv* user=(ft2_to_liv*)i_user;

NR::Point p(user->scale*to->x,user->scale*to->y);

// printf("m t=%f %f\n",p[0],p[1]);

user->theP->MoveTo(p);

user->last=p;

return 0;

}

static int ft2_line_to (FT_Vector * to, void * i_user)

{

ft2_to_liv* user=(ft2_to_liv*)i_user;

NR::Point p(user->scale*to->x,user->scale*to->y);

// printf("l t=%f %f\n",p[0],p[1]);

user->theP->LineTo(p);

user->last=p;

return 0;

}

static int ft2_conic_to (FT_Vector * control, FT_Vector * to, void * i_user)

{

ft2_to_liv* user=(ft2_to_liv*)i_user;

NR::Point p(user->scale*to->x,user->scale*to->y),c(user->scale*control->x,user->scale*control->y);

// printf("b c=%f %f t=%f %f\n",c[0],c[1],p[0],p[1]);

user->theP->BezierTo(p);

user->theP->IntermBezierTo(c);

user->theP->EndBezierTo();

user->last=p;

return 0;

}

static int ft2_cubic_to (FT_Vector * control1, FT_Vector * control2, FT_Vector * to, void * i_user)

{

ft2_to_liv* user=(ft2_to_liv*)i_user;

NR::Point p(user->scale*to->x,user->scale*to->y),

c1(user->scale*control1->x,user->scale*control1->y),

c2(user->scale*control2->x,user->scale*control2->y);

// printf("c c1=%f %f c2=%f %f t=%f %f\n",c1[0],c1[1],c2[0],c2[1],p[0],p[1]);

user->theP->CubicTo(p,3*(c1-user->last),3*(p-c2));

user->last=p;

return 0;

}

#endif

font_instance::font_instance(void)

{

//printf("font instance born\n");

descr=NULL;

pFont=NULL;

refCount=0;

daddy=NULL;

nbGlyph=maxGlyph=0;

glyphs=NULL;

theFace=NULL;

}

font_instance::~font_instance(void)

{

if ( daddy ) daddy->UnrefFace(this);

//printf("font instance death\n");

if ( pFont ) g_object_unref(pFont);

pFont=NULL;

if ( descr ) pango_font_description_free(descr);

descr=NULL;

// if ( theFace ) FT_Done_Face(theFace); // owned by pFont. don't touch

theFace=NULL;

for (int i=0;i<nbGlyph;i++) {

if ( glyphs[i].outline ) delete glyphs[i].outline;

if ( glyphs[i].artbpath ) free(glyphs[i].artbpath);

}

if ( glyphs ) free(glyphs);

nbGlyph=maxGlyph=0;

glyphs=NULL;

}

void font_instance::Ref(void)

{

refCount++;

//char *tc=pango_font_description_to_string(descr);

//printf("font %x %s ref'd %i\n",this,tc,refCount);

//free(tc);

}

void font_instance::Unref(void)

{

refCount--;

//char *tc=pango_font_description_to_string(descr);

//printf("font %x %s unref'd %i\n",this,tc,refCount);

//free(tc);

if ( refCount <= 0 ) {

if ( daddy ) daddy->UnrefFace(this);

daddy=NULL;

delete this;

}

}

unsigned int font_instance::Name(gchar *str, unsigned int size)

{

return Attribute("name", str, size);

}

unsigned int font_instance::Family(gchar *str, unsigned int size)

{

return Attribute("family", str, size);

}

unsigned int font_instance::PSName(gchar *str, unsigned int size)

{

return Attribute("psname", str, size);

}

unsigned int font_instance::Attribute(const gchar *key, gchar *str, unsigned int size)

{

if ( descr == NULL ) {

if ( size > 0 ) str[0]=0;

return 0;

}

char* res=NULL;

bool free_res=false;

if ( strcmp(key,"name") == 0 ) {

PangoFontDescription* td=pango_font_description_copy(descr);

pango_font_description_unset_fields (td, PANGO_FONT_MASK_SIZE);

res=pango_font_description_to_string (td);

pango_font_description_free(td);

free_res=true;

} else if ( strcmp(key,"psname") == 0 ) {

#ifndef USE_PANGO_WIN32

res = (char *) FT_Get_Postscript_Name (theFace); // that's the main method, seems to always work

#endif

free_res=false;

if (res == NULL) { // a very limited workaround, only bold, italic, and oblique will work

PangoStyle style=pango_font_description_get_style(descr);

bool i = (style == PANGO_STYLE_ITALIC);

bool o = (style == PANGO_STYLE_OBLIQUE);

PangoWeight weight=pango_font_description_get_weight(descr);

bool b = (weight >= PANGO_WEIGHT_BOLD);

res = g_strdup_printf ("%s%s%s%s",

pango_font_description_get_family(descr),

(b || i || o) ? "-" : "",

(b) ? "Bold" : "",

(i) ? "Italic" : ((o) ? "Oblique" : "") );

free_res = true;

}

} else if ( strcmp(key,"family") == 0 ) {

res=(char*)pango_font_description_get_family(descr);

free_res=false;

} else if ( strcmp(key,"style") == 0 ) {

PangoStyle v=pango_font_description_get_style(descr);

if ( v == PANGO_STYLE_ITALIC ) {

res="italic";

} else if ( v == PANGO_STYLE_OBLIQUE ) {

res="oblique";

} else {

res="normal";

}

free_res=false;

} else if ( strcmp(key,"weight") == 0 ) {

PangoWeight v=pango_font_description_get_weight(descr);

if ( v <= PANGO_WEIGHT_ULTRALIGHT ) {

res="200";

} else if ( v <= PANGO_WEIGHT_LIGHT ) {

res="300";

} else if ( v <= PANGO_WEIGHT_NORMAL ) {

res="normal";

} else if ( v <= PANGO_WEIGHT_BOLD ) {

res="bold";

} else {

res="800";

}

free_res=false;

} else if ( strcmp(key,"stretch") == 0 ) {

PangoStretch v=pango_font_description_get_stretch(descr);

if ( v <= PANGO_STRETCH_EXTRA_CONDENSED ) {

res="extra-condensed";

} else if ( v <= PANGO_STRETCH_CONDENSED ) {

res="condensed";

} else if ( v <= PANGO_STRETCH_SEMI_CONDENSED ) {

res="semi-condensed";

} else if ( v <= PANGO_STRETCH_NORMAL ) {

res="normal";

} else if ( v <= PANGO_STRETCH_SEMI_EXPANDED ) {

res="semi-expanded";

} else if ( v <= PANGO_STRETCH_EXPANDED ) {

res="expanded";

} else {

res="extra-expanded";

}

free_res=false;

} else if ( strcmp(key,"variant") == 0 ) {

PangoVariant v=pango_font_description_get_variant(descr);

if ( v == PANGO_VARIANT_SMALL_CAPS ) {

res="small-caps";

} else {

res="normal";

}

free_res=false;

} else {

res = NULL;

free_res=false;

}

if ( res == NULL ) {

if ( size > 0 ) str[0]=0;

return 0;

}

if (res) {

unsigned int len=strlen(res);

unsigned int rlen=(size-1<len)?size-1:len;

if ( str ) {

if ( rlen > 0 ) memcpy(str,res,rlen);

if ( size > 0 ) str[rlen]=0;

}

if (free_res) free(res);

return len;

}

return 0;

}

void font_instance::InitTheFace()

{

#ifdef USE_PANGO_WIN32

if ( !theFace ) {

LOGFONT *lf=pango_win32_font_logfont(pFont);

g_assert(lf != NULL);

theFace=pango_win32_font_cache_load(daddy->pangoFontCache,lf);

g_free(lf);

}

XFORM identity = {1.0, 0.0, 0.0, 1.0, 0.0, 0.0};

SetWorldTransform(daddy->hScreenDC, &identity);

SetGraphicsMode(daddy->hScreenDC, GM_COMPATIBLE);

SelectObject(daddy->hScreenDC,theFace);

#else

theFace=pango_ft2_font_get_face(pFont);

if ( theFace )

FT_Select_Charmap(theFace,ft_encoding_unicode) && FT_Select_Charmap(theFace,ft_encoding_symbol);

#endif

}

void font_instance::FreeTheFace()

{

#ifdef USE_PANGO_WIN32

SelectObject(daddy->hScreenDC,GetStockObject(SYSTEM_FONT));

pango_win32_font_cache_unload(daddy->pangoFontCache,theFace);

#endif

theFace=NULL;

}

void font_instance::InstallFace(PangoFont* iFace)

{

if ( !iFace )

return;

pFont=iFace;

InitTheFace();

if ( pFont && IsOutlineFont() == false ) {

FreeTheFace();

if ( pFont ) g_object_unref(pFont);

pFont=NULL;

}

}

bool font_instance::IsOutlineFont(void)

{

if ( pFont == NULL ) return false;

InitTheFace();

#ifdef USE_PANGO_WIN32

TEXTMETRIC tm;

return GetTextMetrics(daddy->hScreenDC,&tm) && tm.tmPitchAndFamily&TMPF_TRUETYPE;

#else

return FT_IS_SCALABLE(theFace);

#endif

}

int font_instance::MapUnicodeChar(gunichar c)

{

if ( pFont == NULL ) return 0;

#ifdef USE_PANGO_WIN32

return pango_win32_font_get_glyph_index(pFont,c);

#else

int res=0;

theFace=pango_ft2_font_get_face(pFont);

if ( c > 0xf0000 ) {

res=CLAMP(c,0xf0000,0x1fffff)-0xf0000;

} else {

res=FT_Get_Char_Index(theFace, c);

}

return res;

#endif

}

#ifdef USE_PANGO_WIN32

static inline NR::Point pointfx_to_nrpoint(const POINTFX &p, double scale)

{

return NR::Point(*(long*)&p.x / 65536.0 * scale,

*(long*)&p.y / 65536.0 * scale);

}

#endif

void font_instance::LoadGlyph(int glyph_id)

{

if ( pFont == NULL ) return;

InitTheFace();

#ifndef USE_PANGO_WIN32

if ( theFace->units_per_EM == 0 ) return; // bitmap font

#endif

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

if ( nbGlyph >= maxGlyph ) {

maxGlyph=2*nbGlyph+1;

glyphs=(font_glyph*)realloc(glyphs,maxGlyph*sizeof(font_glyph));

}

font_glyph n_g;

n_g.outline=NULL;

n_g.artbpath=NULL;

n_g.bbox[0]=n_g.bbox[1]=n_g.bbox[2]=n_g.bbox[3]=0;

bool doAdd=false;

#ifdef USE_PANGO_WIN32

MAT2 identity = {{0,1},{0,0},{0,0},{0,1}};

OUTLINETEXTMETRIC otm;

GetOutlineTextMetrics(daddy->hScreenDC, sizeof(otm), &otm);

GLYPHMETRICS metrics;

DWORD bufferSize=GetGlyphOutline (daddy->hScreenDC, glyph_id, GGO_GLYPH_INDEX | GGO_NATIVE | GGO_UNHINTED, &metrics, 0, NULL, &identity);

double scale=1.0/daddy->fontSize;

n_g.h_advance=metrics.gmCellIncX*scale;

n_g.v_advance=otm.otmTextMetrics.tmHeight*scale;

n_g.h_width=metrics.gmBlackBoxX*scale;

n_g.v_width=metrics.gmBlackBoxY*scale;

n_g.outline=NULL;

if ( bufferSize == GDI_ERROR) {

// shit happened

} else if ( bufferSize == 0) {

// character has no visual representation, but is valid (eg whitespace)

doAdd=true;

} else {

std::auto_ptr<char> buffer(new char[bufferSize]);

if ( GetGlyphOutline (daddy->hScreenDC, glyph_id, GGO_GLYPH_INDEX | GGO_NATIVE | GGO_UNHINTED, &metrics, bufferSize, buffer.get(), &identity) <= 0 ) {

// shit happened

} else {

// Platform SDK is rubbish, read KB87115 instead

n_g.outline=new Path;

DWORD polyOffset=0;

while ( polyOffset < bufferSize ) {

TTPOLYGONHEADER const *polyHeader=(TTPOLYGONHEADER const *)(buffer.get()+polyOffset);

if (polyOffset+polyHeader->cb > bufferSize) break;

if (polyHeader->dwType == TT_POLYGON_TYPE) {

n_g.outline->MoveTo(pointfx_to_nrpoint(polyHeader->pfxStart, scale));

DWORD curveOffset=polyOffset+sizeof(TTPOLYGONHEADER);

while ( curveOffset < polyOffset+polyHeader->cb ) {

TTPOLYCURVE const *polyCurve=(TTPOLYCURVE const *)(buffer.get()+curveOffset);

POINTFX const *p=polyCurve->apfx;

POINTFX const *endp=p+polyCurve->cpfx;

switch (polyCurve->wType) {

case TT_PRIM_LINE:

while ( p != endp )

n_g.outline->LineTo(pointfx_to_nrpoint(*p++, scale));

break;

case TT_PRIM_QSPLINE:

{

g_assert(polyCurve->cpfx >= 2);

endp -= 2;

NR::Point this_mid=pointfx_to_nrpoint(p[0], scale);

while ( p != endp ) {

NR::Point next_mid=pointfx_to_nrpoint(p[1], scale);

n_g.outline->BezierTo((next_mid+this_mid)/2);

n_g.outline->IntermBezierTo(this_mid);

n_g.outline->EndBezierTo();

++p;

this_mid=next_mid;

}

n_g.outline->BezierTo(pointfx_to_nrpoint(p[1], scale));

n_g.outline->IntermBezierTo(this_mid);

n_g.outline->EndBezierTo();

break;

}

case 3: // TT_PRIM_CSPLINE

g_assert(polyCurve->cpfx % 3 == 0);

while ( p != endp ) {

n_g.outline->CubicTo(pointfx_to_nrpoint(p[2], scale), pointfx_to_nrpoint(p[0], scale), pointfx_to_nrpoint(p[1], scale));

p += 3;

}

break;

}

curveOffset += sizeof(TTPOLYCURVE)+sizeof(POINTFX)*(polyCurve->cpfx-1);

}

n_g.outline->Close();

}

polyOffset += polyHeader->cb;

}

doAdd=true;

}

}

#else

if (FT_Load_Glyph (theFace, glyph_id, FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING | FT_LOAD_NO_BITMAP)) {

// shit happened

} else {

if ( FT_HAS_HORIZONTAL(theFace) ) {

n_g.h_advance=((double)theFace->glyph->metrics.horiAdvance)/((double)theFace->units_per_EM);

n_g.h_width=((double)theFace->glyph->metrics.width)/((double)theFace->units_per_EM);

} else {

n_g.h_width=n_g.h_advance=((double)(theFace->bbox.xMax-theFace->bbox.xMin))/((double)theFace->units_per_EM);

}

if ( FT_HAS_VERTICAL(theFace) ) {

n_g.v_advance=((double)theFace->glyph->metrics.vertAdvance)/((double)theFace->units_per_EM);

n_g.v_width=((double)theFace->glyph->metrics.height)/((double)theFace->units_per_EM);

} else {

n_g.v_width=n_g.v_advance=((double)theFace->height)/((double)theFace->units_per_EM);

}

if ( theFace->glyph->format == ft_glyph_format_outline ) {

FT_Outline_Funcs ft2_outline_funcs = {

ft2_move_to,

ft2_line_to,

ft2_conic_to,

ft2_cubic_to,

0, 0

};

n_g.outline=new Path;

ft2_to_liv tData;

tData.theP=n_g.outline;

tData.scale=1.0/((double)theFace->units_per_EM);

tData.last=NR::Point(0,0);

FT_Outline_Decompose (&theFace->glyph->outline, &ft2_outline_funcs, &tData);

}

doAdd=true;

}

#endif

if ( doAdd ) {

if ( n_g.outline ) {

n_g.outline->FastBBox(n_g.bbox[0],n_g.bbox[1],n_g.bbox[2],n_g.bbox[3]);

n_g.artbpath=n_g.outline->MakeArtBPath();

}

glyphs[nbGlyph]=n_g;

id_to_no[glyph_id]=nbGlyph;

nbGlyph++;

}

} else {

}

}

bool font_instance::FontMetrics(double &ascent,double &descent,double &leading)

{

if ( pFont == NULL ) return false;

InitTheFace();

if ( theFace == NULL ) return false;

#ifdef USE_PANGO_WIN32

OUTLINETEXTMETRIC otm;

if ( !GetOutlineTextMetrics(daddy->hScreenDC,sizeof(otm),&otm) ) return false;

double scale=1.0/daddy->fontSize;

ascent=fabs(otm.otmAscent*scale);

descent=fabs(otm.otmDescent*scale);

leading=fabs(otm.otmLineGap*scale);

#else

if ( theFace->units_per_EM == 0 ) return false; // bitmap font

ascent=fabs(((double)theFace->ascender)/((double)theFace->units_per_EM));

descent=fabs(((double)theFace->descender)/((double)theFace->units_per_EM));

leading=fabs(((double)theFace->height)/((double)theFace->units_per_EM));

leading-=ascent+descent;

#endif

return true;

}

bool font_instance::FontSlope(double &run, double &rise)

{

run = 0.0;

rise = 1.0;

if ( pFont == NULL ) return false;

InitTheFace();

if ( theFace == NULL ) return false;

#ifdef USE_PANGO_WIN32

OUTLINETEXTMETRIC otm;

if ( !GetOutlineTextMetrics(daddy->hScreenDC,sizeof(otm),&otm) ) return false;

run=otm.otmsCharSlopeRun;

rise=otm.otmsCharSlopeRise;

#else

if ( theFace->units_per_EM == 0 ) return false; // bitmap font

TT_HoriHeader *hhea = (TT_HoriHeader*)FT_Get_Sfnt_Table(theFace, ft_sfnt_hhea);

if (hhea == NULL) return false;

run = hhea->caret_Slope_Run;

rise = hhea->caret_Slope_Rise;

#endif

return true;

}

NR::Rect font_instance::BBox(int glyph_id)

{

int no=-1;

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

LoadGlyph(glyph_id);

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

// didn't load

} else {

no=id_to_no[glyph_id];

}

} else {

no=id_to_no[glyph_id];

}

if ( no < 0 ) return NR::Rect(NR::Point(0,0),NR::Point(0,0));

NR::Point rmin(glyphs[no].bbox[0],glyphs[no].bbox[1]);

NR::Point rmax(glyphs[no].bbox[2],glyphs[no].bbox[3]);

NR::Rect res(rmin,rmax);

return res;

}

Path* font_instance::Outline(int glyph_id,Path* copyInto)

{

int no=-1;

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

LoadGlyph(glyph_id);

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

// didn't load

} else {

no=id_to_no[glyph_id];

}

} else {

no=id_to_no[glyph_id];

}

if ( no < 0 ) return NULL;

Path* src_o=glyphs[no].outline;

if ( copyInto ) {

copyInto->Reset();

copyInto->Copy(src_o);

return copyInto;

}

return src_o;

}

void* font_instance::ArtBPath(int glyph_id)

{

int no=-1;

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

LoadGlyph(glyph_id);

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

// didn't load

} else {

no=id_to_no[glyph_id];

}

} else {

no=id_to_no[glyph_id];

}

if ( no < 0 ) return NULL;

return glyphs[no].artbpath;

}

double font_instance::Advance(int glyph_id,bool vertical)

{

int no=-1;

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

LoadGlyph(glyph_id);

if ( id_to_no.find(glyph_id) == id_to_no.end() ) {

// didn't load

} else {

no=id_to_no[glyph_id];

}

} else {

no=id_to_no[glyph_id];

}

if ( no >= 0 ) {

if ( vertical ) {

return glyphs[no].v_advance;

} else {

return glyphs[no].h_advance;

}

}

return 0;

}

raster_font* font_instance::RasterFont(const NR::Matrix &trs,double stroke_width,bool vertical,JoinType stroke_join,ButtType stroke_cap,float miter_limit)

{

font_style nStyle;

nStyle.transform=trs;

nStyle.vertical=vertical;

nStyle.stroke_width=stroke_width;

nStyle.stroke_cap=stroke_cap;

nStyle.stroke_join=stroke_join;

nStyle.nbDash=0;

nStyle.dash_offset=0;

nStyle.dashes=NULL;

return RasterFont(nStyle);

}

raster_font* font_instance::RasterFont(const font_style &inStyle)

{

raster_font *res=NULL;

double *savDashes=NULL;

font_style nStyle=inStyle;

// for some evil reason font_style doesn't have a copy ctor, so the

// stuff that should be done there is done here instead (because the

// raster_font ctor copies nStyle).

if ( nStyle.stroke_width > 0 && nStyle.nbDash > 0 && nStyle.dashes ) {

savDashes=nStyle.dashes;

nStyle.dashes=(double*)malloc(nStyle.nbDash*sizeof(double));

memcpy(nStyle.dashes,savDashes,nStyle.nbDash*sizeof(double));

}

if ( loadedStyles.find(nStyle) == loadedStyles.end() ) {

raster_font *nR = new raster_font(nStyle);

nR->Ref();

nR->daddy=this;

loadedStyles[nStyle]=nR;

res=nR;

if ( res ) Ref();

} else {

res=loadedStyles[nStyle];

res->Ref();

if ( nStyle.dashes ) free(nStyle.dashes); // since they're not taken by a new rasterfont

}

nStyle.dashes=savDashes;

return res;

}

void font_instance::RemoveRasterFont(raster_font* who)

{

if ( who == NULL ) return;

if ( loadedStyles.find(who->style) == loadedStyles.end() ) {

//g_print("RemoveRasterFont failed \n");

// not found

} else {

loadedStyles.erase(loadedStyles.find(who->style));

//g_print("RemoveRasterFont\n");

Unref();

}

}