void TopFindQuestionablePoints(struct qg_data *data) {
char *pt, *end;
int low, high;
if ( data->fv!=NULL )
data->freetype_context = _FreeTypeFontContext(data->fv->sf,NULL,data->fv,data->layer,
ff_ttf,0,NULL);
else
data->freetype_context = _FreeTypeFontContext(data->sc->parent,data->sc,NULL,data->layer,
ff_ttf,0,NULL);
if ( data->freetype_context==NULL ) {
data->error = qg_nofont;
return;
}
data->qg = NULL;
data->cur = data->max = 0;
data->error = qg_ok;
for ( pt=data->pixelsizes; *pt; pt=end ) {
low = strtol(pt,&end,10);
if ( pt==end ) {
data->error = qg_notnumber;
return;
}
while ( *end==' ' ) ++end;
if ( *end=='-' ) {
pt = end+1;
high = strtol(pt,&end,10);
if ( pt==end ) {
data->error = qg_notnumber;
return;
}
if ( high<low ) {
data->error = qg_badrange;
return;
}
} else
high = low;
if ( low<2 || low>4096 || high<2 || high>4096 ) {
data->error = qg_badnumber;
return;
}
while ( *end==' ' ) ++end;
if ( *end==',' ) ++end;
for ( data->cur_size = low; data->cur_size <= high; ++ data->cur_size ) {
if ( data->fv!=NULL ) {
int enc, gid;
for ( enc=0; enc<data->fv->map->enccount; ++enc ) {
if ( data->fv->selected[enc] && (gid = data->fv->map->map[enc])!=-1 &&
(data->sc = data->fv->sf->glyphs[gid])!=NULL )
SCFindQuestionablePoints(data);
}
} else {
SCFindQuestionablePoints(data);
}
}
}
FreeTypeFreeContext(data->freetype_context);
data->freetype_context = NULL;
}
void CVGridFitChar(CharView *cv) {
void *single_glyph_context;
SplineFont *sf = cv->b.sc->parent;
int layer = CVLayer((CharViewBase *) cv);
SplinePointListsFree(cv->b.gridfit); cv->b.gridfit = NULL;
FreeType_FreeRaster(cv->raster); cv->raster = NULL;
single_glyph_context = _FreeTypeFontContext(sf,cv->b.sc,NULL,layer,
sf->layers[layer].order2?ff_ttf:ff_otf,0,NULL);
if ( single_glyph_context==NULL ) {
LogError(_("Freetype rasterization failed.\n") );
return;
}
if ( cv->b.sc->layers[layer].refs!=NULL )
SCNumberPoints(cv->b.sc,layer);
cv->raster = FreeType_GetRaster(single_glyph_context,cv->b.sc->orig_pos,
cv->ft_pointsizey, cv->ft_pointsizex, cv->ft_dpi, cv->ft_depth );
cv->b.gridfit = FreeType_GridFitChar(single_glyph_context,cv->b.sc->orig_pos,
cv->ft_pointsizey, cv->ft_pointsizex, cv->ft_dpi, &cv->b.ft_gridfitwidth,
cv->b.sc, cv->ft_depth, true );
FreeTypeFreeContext(single_glyph_context);
GDrawRequestExpose(cv->v,NULL,false);
if ( cv->b.sc->instructions_out_of_date && cv->b.sc->ttf_instrs_len!=0 )
ff_post_notice(_("Instructions out of date"),
_("The points have been changed. This may mean that the truetype instructions now refer to the wrong points and they may cause unexpected results."));
}
static void AnchorD_FreeChar(AnchorDlg *a) {
int i;
BDFCharFree(a->bdfc); a->bdfc = NULL;
for ( i=0; i<a->cnt; ++i )
BDFCharFree(a->apmatch[i].bdfc);
free(a->apmatch); a->apmatch = NULL;
if ( a->freetypecontext!=NULL ) {
FreeTypeFreeContext(a->freetypecontext);
a->freetypecontext = NULL;
}
}
int ExportImage(char *filename,SplineChar *sc, int layer, int format, int pixelsize, int bitsperpixel) {
/* 0=*.xbm, 1=*.bmp, 2=*.png, 3=*.xpm, 4=*.c(fontforge-internal) */
struct _GImage base;
GImage gi;
GClut clut;
BDFChar *bdfc;
int ret;
int tot, i;
uint8 *pt, *end;
int scale;
void *freetypecontext;
double emsize = sc->parent->ascent+sc->parent->descent;
if ( autohint_before_generate && sc->changedsincelasthinted && !sc->manualhints )
SplineCharAutoHint(sc,layer,NULL);
memset(&gi,'\0', sizeof(gi));
memset(&base,'\0', sizeof(base));
memset(&clut,'\0', sizeof(clut));
gi.u.image = &base;
if ( bitsperpixel==1 ) {
if ( (freetypecontext = FreeTypeFontContext(sc->parent,sc,NULL,layer))==NULL )
bdfc = SplineCharRasterize(sc,layer,pixelsize);
else {
bdfc = SplineCharFreeTypeRasterize(freetypecontext,sc->orig_pos,pixelsize,72,1);
FreeTypeFreeContext(freetypecontext);
}
BCRegularizeBitmap(bdfc);
/* People don't seem to like having a minimal bounding box for their */
/* images. */
BCExpandBitmapToEmBox(bdfc,
0,
(int) rint(sc->parent->ascent*pixelsize/emsize)-pixelsize,
(int) rint(sc->width*pixelsize/emsize),
(int) rint(sc->parent->ascent*pixelsize/emsize));
/* Sigh. Bitmaps use a different defn of set than images do. make it consistant */
tot = bdfc->bytes_per_line*(bdfc->ymax-bdfc->ymin+1);
for ( pt = bdfc->bitmap, end = pt+tot; pt<end; *pt++ ^= 0xff );
base.image_type = it_mono;
base.data = bdfc->bitmap;
base.bytes_per_line = bdfc->bytes_per_line;
base.width = bdfc->xmax-bdfc->xmin+1;
base.height = bdfc->ymax-bdfc->ymin+1;
base.trans = -1;
if ( format==0 )
ret = !GImageWriteXbm(&gi,filename);
#ifndef _NO_LIBPNG
else if ( format==2 )
ret = GImageWritePng(&gi,filename,false);
#endif
else if ( format==3 )
ret = !GImageWriteXpm(&gi,filename);
else if ( format==4 )
ret = !GImageWriteGImage(&gi,filename);
else
ret = GImageWriteBmp(&gi,filename);
BDFCharFree(bdfc);
} else {
if ( (freetypecontext = FreeTypeFontContext(sc->parent,sc,NULL,layer))==NULL )
bdfc = SplineCharAntiAlias(sc,pixelsize,layer,(1<<(bitsperpixel/2)));
else {
bdfc = SplineCharFreeTypeRasterize(freetypecontext,sc->orig_pos,pixelsize,72,bitsperpixel);
FreeTypeFreeContext(freetypecontext);
}
BCRegularizeGreymap(bdfc);
BCExpandBitmapToEmBox(bdfc,
0,
(int) rint(sc->parent->ascent*pixelsize/emsize) - pixelsize,
(int) rint(sc->width*pixelsize/emsize),
(int) rint(sc->parent->ascent*pixelsize/emsize));
base.image_type = it_index;
base.data = bdfc->bitmap;
base.bytes_per_line = bdfc->bytes_per_line;
base.width = bdfc->xmax-bdfc->xmin+1;
base.height = bdfc->ymax-bdfc->ymin+1;
base.clut = &clut;
base.trans = -1;
clut.clut_len = 1<<bitsperpixel;
clut.is_grey = true;
clut.trans_index = -1;
scale = 255/((1<<bitsperpixel)-1);
scale = COLOR_CREATE(scale,scale,scale);
for ( i=0; i< 1<<bitsperpixel; ++i )
clut.clut[(1<<bitsperpixel)-1 - i] = i*scale;
#ifndef _NO_LIBPNG
if ( format==2 )
ret = GImageWritePng(&gi,filename,false);
else
#endif
ret = GImageWriteBmp(&gi,filename);
BDFCharFree(bdfc);
}
return( ret );
}