string addBoldTag(string s, vector<string>& dict) {
int len = s.size();
vector<int> is_bold(len, 0);
int pos = -1;
for (auto word : dict) {
do {
pos = s.find(word, pos+1);
if (pos != string::npos) {
for (int i = pos; i < pos + word.size(); ++i) {
is_bold[i] = 1;
}
}
} while (pos != string::npos);
}
string result;
bool b = false;
for (int i = 0; i < len; ++i) {
if (!is_bold[i]) {
if (b) {
result += "</b>";
b = false;
}
} else {
if (!b) {
result += "<b>";
b = true;
}
}
result += s[i];
}
if (b) result += "</b>";
return result;
}
static void svg_text(double x, double y, const char *str, double rot,
double hadj, const pGEcontext gc, pDevDesc dd) {
SVGDesc *svgd = (SVGDesc*) dd->deviceSpecific;
fputs("<text", svgd->file);
if (rot == 0) {
write_attr_dbl(svgd->file, "x", x);
write_attr_dbl(svgd->file, "y", y);
} else {
fprintf(svgd->file, " transform='translate(%.2f,%.2f) rotate(%0.0f)'", x, y,
-1.0 * rot);
}
write_attr_dbl(svgd->file, "font-size", gc->cex * gc->ps);
if (is_bold(gc->fontface))
write_attr_str(svgd->file, "font-weight", "bold");
if (is_italic(gc->fontface))
write_attr_str(svgd->file, "font-style", "italic");
if (gc->col != -16777216) // black
write_attr_col(svgd->file, "fill", gc->col);
std::string font = fontname(gc->fontfamily);
write_attr_str(svgd->file, "font-family", font.c_str());
fputs(">", svgd->file);
write_escaped(svgd->file, str);
fputs("</text>\n", svgd->file);
}
static double docx_strheight(const char *str, const pGEcontext gc, pDevDesc dd) {
DOCX_dev *docx_obj = (DOCX_dev*) dd->deviceSpecific;
std::string file = fontfile(gc->fontfamily, gc->fontface, docx_obj->user_aliases);
std::string name = fontname(gc->fontfamily, gc->fontface, docx_obj->system_aliases, docx_obj->user_aliases);
gdtools::context_set_font(docx_obj->cc, name, gc->cex * gc->ps, is_bold(gc->fontface), is_italic(gc->fontface), file);
FontMetric fm = gdtools::context_extents(docx_obj->cc, std::string(str));
return fm.height;
}
static double svg_strwidth(const char *str, const pGEcontext gc, pDevDesc dd) {
SVGDesc *svgd = (SVGDesc*) dd->deviceSpecific;
gdtools::context_set_font(svgd->cc, fontname(gc->fontfamily),
gc->cex * gc->ps, is_bold(gc->fontface), is_italic(gc->fontface));
FontMetric fm = gdtools::context_extents(svgd->cc, std::string(str));
return fm.width;
}
static double xlsx_strwidth(const char *str, const pGEcontext gc, pDevDesc dd) {
XLSX_dev *xlsx_obj = (XLSX_dev*) dd->deviceSpecific;
std::string file = fontfile(gc->fontfamily, gc->fontface, xlsx_obj->user_aliases);
std::string name = fontname(gc->fontfamily, gc->fontface, xlsx_obj->system_aliases, xlsx_obj->user_aliases);
gdtools::context_set_font(xlsx_obj->cc, name, gc->cex * gc->ps, is_bold(gc->fontface), is_italic(gc->fontface), file);
FontMetric fm = gdtools::context_extents(xlsx_obj->cc, std::string(str));
return fm.width;
}
void write_text_body_xlsx(pDevDesc dd, R_GE_gcontext *gc, const char* text, double hadj, double fontsize, double fontheight) {
XLSX_dev *xlsx_obj = (XLSX_dev *) dd->deviceSpecific;
ppr a_ppr_(hadj, fontsize);
std::string fontname_ = fontname(gc->fontfamily, gc->fontface, xlsx_obj->system_aliases, xlsx_obj->user_aliases);
rpr rpr_(fontsize, is_italic(gc->fontface), is_bold(gc->fontface), gc->col, fontname_);
fputs("<xdr:txBody>", xlsx_obj->file );
fprintf(xlsx_obj->file, "%s", body_pr::a_tag().c_str() );
fputs("<a:p>", xlsx_obj->file );
fprintf(xlsx_obj->file, "%s", a_ppr_.a_tag().c_str() );
fputs("<a:r>", xlsx_obj->file );
fprintf(xlsx_obj->file, "%s", rpr_.a_tag().c_str() );
write_t_xlsx(dd, text);
fputs("</a:r>", xlsx_obj->file );
fputs("</a:p>", xlsx_obj->file );
fputs("</xdr:txBody>", xlsx_obj->file );
}
static void svg_metric_info(int c, const pGEcontext gc, double* ascent,
double* descent, double* width, pDevDesc dd) {
SVGDesc *svgd = (SVGDesc*) dd->deviceSpecific;
// Convert to string - negative implies unicode code point
char str[16];
if (c < 0) {
Rf_ucstoutf8(str, (unsigned int) -c);
} else {
str[0] = (char) c;
str[1] = '\0';
}
gdtools::context_set_font(svgd->cc, fontname(gc->fontfamily),
gc->cex * gc->ps, is_bold(gc->fontface), is_italic(gc->fontface));
FontMetric fm = gdtools::context_extents(svgd->cc, std::string(str));
*ascent = fm.ascent;
*descent = fm.descent;
*width = fm.width;
}
void write_text_body_docx(pDevDesc dd, R_GE_gcontext *gc, const char* text, double hadj, double fontsize, double fontheight) {
DOCX_dev *docx_obj = (DOCX_dev *) dd->deviceSpecific;
ppr a_ppr_(hadj, fontsize);
std::string fontname_ = fontname(gc->fontfamily, gc->fontface, docx_obj->system_aliases, docx_obj->user_aliases);
rpr rpr_(fontsize, is_italic(gc->fontface), is_bold(gc->fontface), gc->col, fontname_);
fputs("<wps:txbx>", docx_obj->file );
fputs("<w:txbxContent>", docx_obj->file );
fputs("<w:p>", docx_obj->file );
fprintf(docx_obj->file, "%s", a_ppr_.w_tag().c_str() );
fputs("<w:r>", docx_obj->file );
fprintf(docx_obj->file, "%s", rpr_.w_tag().c_str() );
write_t_docx(dd, text);
fputs("</w:r>", docx_obj->file );
fputs("</w:p>", docx_obj->file );
fputs("</w:txbxContent>", docx_obj->file );
fputs("</wps:txbx>", docx_obj->file );
}
static void xlsx_metric_info(int c, const pGEcontext gc, double* ascent,
double* descent, double* width, pDevDesc dd) {
XLSX_dev *xlsx_obj = (XLSX_dev*) dd->deviceSpecific;
// Convert to string - negative implies unicode code point
char str[16];
if (c < 0) {
Rf_ucstoutf8(str, (unsigned int) -c);
} else {
str[0] = (char) c;
str[1] = '\0';
}
std::string file = fontfile(gc->fontfamily, gc->fontface, xlsx_obj->user_aliases);
std::string name = fontname(gc->fontfamily, gc->fontface, xlsx_obj->system_aliases, xlsx_obj->user_aliases);
gdtools::context_set_font(xlsx_obj->cc, name, gc->cex * gc->ps, is_bold(gc->fontface), is_italic(gc->fontface), file);
FontMetric fm = gdtools::context_extents(xlsx_obj->cc, std::string(str));
*ascent = fm.ascent;
*descent = fm.descent;
*width = fm.width;
}
void Font_FT::init(const String &filepath) {
TTF_Font *font = TTF_OpenFont(filepath.c_str(), int(get_text_height() * m_vratio + 0.5f));
if(!font)
throw Font_Init_Failure();
/*** Set Style ***/
if(is_bold() && is_italic())
TTF_SetFontStyle(font, TTF_STYLE_BOLD | TTF_STYLE_ITALIC);
else if(is_bold())
TTF_SetFontStyle(font, TTF_STYLE_BOLD);
else if(is_italic())
TTF_SetFontStyle(font, TTF_STYLE_ITALIC);
/*** Determine Width & Height ***/
float font_width = 0;
float font_height = 0;
SDL_Color color2 = {0xFF, 0xFF, 0xFF, 0xFF};
SDL_Surface *source[256] = {0};
for(unsigned char c = 1; c; ++c) {
Core::assert_no_error();
//char t[2] = {c, '\0'};
//source[c] = TTF_RenderText_Blended(font, t, color2);
source[c] = TTF_RenderGlyph_Blended(font, c, color2);
Core::print_error();
font_width = std::max(font_width, float(source[c] ? source[c]->w : 0));
font_height = std::max(font_height, float(source[c] ? source[c]->h : 0));
}
/*** Initialize Intermediate SDL Surface ***/
const int
next_w = int(pow(2.0f, ceil(log(float(16 * font_width))/log(2.0f)))),
next_h = int(pow(2.0f, ceil(log(float(16 * font_height))/log(2.0f))));
SDL_Surface *font_surface = SDL_CreateRGBSurface(SDL_SWSURFACE, next_w, next_h, 32, source[END_OF_TIME]->format->Rmask, source[END_OF_TIME]->format->Gmask, source[END_OF_TIME]->format->Bmask, source[END_OF_TIME]->format->Amask);
if(!font_surface) {
for(unsigned char c = 1; c; ++c)
SDL_FreeSurface(source[c]);
TTF_CloseFont(font);
if(next_h > 1024) {
m_vratio /= 2.0f;
init(filepath);
return;
}
else
throw Font_Init_Failure();
}
SDL_LockSurface(font_surface);
SDL_FillRect(font_surface, 0, SDL_MapRGBA(font_surface->format, 0, 0, 0, SDL_ALPHA_TRANSPARENT));
SDL_UnlockSurface(font_surface);
/*** Initialize Glyphs ***/
SDL_Rect dstrect = {0, 0, Uint16(font_width), Uint16(font_height)};
m_glyph[0] = 0;
for(unsigned char c = 1; c; ++c) {
dstrect.x = Sint16((c % 16) * font_width);
dstrect.y = Sint16((c / 16) * font_height);
m_glyph[c] = new Glyph(font, c, source[c], font_surface, dstrect, next_w, next_h, m_vratio);
}
/*** Correct Transparency ***/
const Uint32 transparent_white = font_surface->format->Rmask | font_surface->format->Gmask | font_surface->format->Bmask;
for(int i = 0; i < font_surface->h; ++i)
for(Uint32 * src = reinterpret_cast<Uint32 *>(font_surface->pixels) + i * font_surface->pitch / 4,
* src_end = src + font_surface->w;
src != src_end;
++src)
if(*src & font_surface->format->Rmask)
*src = transparent_white | ((*src & font_surface->format->Rmask) >> font_surface->format->Rshift << font_surface->format->Ashift);
/*** Initialize Final Texture ***/
m_texture = get_Video().create_Texture(font_surface, false);
TTF_CloseFont(font);
}
