307 lines
8.4 KiB
C++
307 lines
8.4 KiB
C++
// Font.cc
|
|
// Copyright (c) 2002 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot org)
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a
|
|
// copy of this software and associated documentation files (the "Software"),
|
|
// to deal in the Software without restriction, including without limitation
|
|
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
// and/or sell copies of the Software, and to permit persons to whom the
|
|
// Software is furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
|
// DEALINGS IN THE SOFTWARE.
|
|
|
|
//$Id$
|
|
|
|
|
|
#include "StringUtil.hh"
|
|
#include "stringstream.hh"
|
|
#include "Font.hh"
|
|
#include "FontImp.hh"
|
|
#include "App.hh"
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
#include "config.h"
|
|
#endif // HAVE_CONFIG_H
|
|
|
|
// for antialias
|
|
#ifdef USE_XFT
|
|
#include "XftFontImp.hh"
|
|
#endif // USE_XFT
|
|
|
|
// for multibyte support
|
|
#ifdef USE_XMB
|
|
#include "XmbFontImp.hh"
|
|
#endif //USE_XMB
|
|
|
|
// standard font system
|
|
#include "XFontImp.hh"
|
|
|
|
#include "GContext.hh"
|
|
//use gnu extensions
|
|
#ifndef _GNU_SOURCE
|
|
#define _GNU_SOURCE
|
|
#endif //_GNU_SOURCE
|
|
|
|
#ifndef __USE_GNU
|
|
#define __USE_GNU
|
|
#endif //__USE_GNU
|
|
|
|
#ifdef HAVE_CSTRING
|
|
#include <cstring>
|
|
#else
|
|
#include <string.h>
|
|
#endif
|
|
#ifdef HAVE_CSTDLIB
|
|
#include <cstdlib>
|
|
#else
|
|
#include <stdlib.h>
|
|
#endif
|
|
#include <list>
|
|
#include <map>
|
|
#include <typeinfo>
|
|
#include <langinfo.h>
|
|
|
|
#include <errno.h>
|
|
|
|
using std::string;
|
|
using std::map;
|
|
using std::list;
|
|
|
|
namespace {
|
|
|
|
#ifdef HAVE_SETLOCALE
|
|
#include <locale.h>
|
|
#endif //HAVE_SETLOCALE
|
|
|
|
// use to map <font1>|<font2>|<font3> => <fontthatworks>
|
|
typedef map<string, string> StringMap;
|
|
typedef StringMap::iterator StringMapIt;
|
|
StringMap lookup_map;
|
|
|
|
// stores <fontthatworks and the fontimp
|
|
typedef map<string, FbTk::FontImp* > FontCache;
|
|
typedef FontCache::iterator FontCacheIt;
|
|
FontCache font_cache;
|
|
|
|
|
|
void resetEffects(FbTk::Font& font) {
|
|
font.setHalo(false);
|
|
font.setHaloColor(FbTk::Color("white", DefaultScreen(FbTk::App::instance()->display())));
|
|
font.setShadow(false);
|
|
font.setShadowColor(FbTk::Color("black", DefaultScreen(FbTk::App::instance()->display())));
|
|
font.setShadowOffY(2);
|
|
font.setShadowOffX(2);
|
|
}
|
|
|
|
}; // end nameless namespace
|
|
|
|
|
|
|
|
namespace FbTk {
|
|
|
|
bool Font::s_multibyte = false;
|
|
bool Font::s_utf8mode = false;
|
|
|
|
|
|
void Font::shutdown() {
|
|
|
|
FontCacheIt fit;
|
|
for (fit = font_cache.begin(); fit != font_cache.end(); fit++) {
|
|
FontImp* font = fit->second;
|
|
if (font) {
|
|
FontCacheIt it;
|
|
for (it = fit; it != font_cache.end(); it++)
|
|
if (it->second == font)
|
|
it->second = 0;
|
|
delete font;
|
|
}
|
|
}
|
|
}
|
|
|
|
Font::Font(const char *name):
|
|
m_fontimp(0),
|
|
m_shadow(false), m_shadow_color("black", DefaultScreen(App::instance()->display())),
|
|
m_shadow_offx(2), m_shadow_offy(2),
|
|
m_halo(false), m_halo_color("white", DefaultScreen(App::instance()->display()))
|
|
{
|
|
// MB_CUR_MAX returns the size of a char in the current locale
|
|
if (MB_CUR_MAX > 1) // more than one byte, then we're multibyte
|
|
s_multibyte = true;
|
|
|
|
// check for utf-8 mode
|
|
#ifdef CODESET
|
|
char *locale_codeset = nl_langinfo(CODESET);
|
|
#else // openbsd doesnt have this (yet?)
|
|
char *locale_codeset = 0;
|
|
#endif // CODESET
|
|
|
|
if (locale_codeset && strcmp("UTF-8", locale_codeset) == 0) {
|
|
s_utf8mode = true;
|
|
} else if (locale_codeset != 0) {
|
|
s_utf8mode = FbStringUtil::haveUTF8();
|
|
}
|
|
|
|
if (name != 0) {
|
|
load(name);
|
|
}
|
|
|
|
}
|
|
|
|
Font::~Font() {
|
|
}
|
|
|
|
bool Font::load(const string &name) {
|
|
|
|
if (name.size() == 0)
|
|
return false;
|
|
|
|
StringMapIt lookup_entry;
|
|
FontCacheIt cache_entry;
|
|
|
|
// check if one of <font1>|<font2>|<font3> is already there
|
|
if ((lookup_entry = lookup_map.find(name)) != lookup_map.end() &&
|
|
(cache_entry = font_cache.find(lookup_entry->second)) != font_cache.end()) {
|
|
m_fontstr = cache_entry->first;
|
|
m_fontimp = cache_entry->second;
|
|
resetEffects(*this);
|
|
return true;
|
|
}
|
|
|
|
// split up the namelist
|
|
typedef list<string> StringList;
|
|
typedef StringList::iterator StringListIt;
|
|
StringList names;
|
|
FbTk::StringUtil::stringtok<StringList>(names, name, "|");
|
|
|
|
StringListIt name_it;
|
|
for (name_it = names.begin(); name_it != names.end(); name_it++) {
|
|
FbTk::StringUtil::removeTrailingWhitespace(*name_it);
|
|
FbTk::StringUtil::removeFirstWhitespace(*name_it);
|
|
|
|
if ((cache_entry = font_cache.find(*name_it)) != font_cache.end()) {
|
|
m_fontstr = cache_entry->first;
|
|
m_fontimp = cache_entry->second;
|
|
lookup_map[name] = m_fontstr;
|
|
resetEffects(*this);
|
|
return true;
|
|
}
|
|
|
|
FontImp* tmp_font(0);
|
|
|
|
// Xft and X/Xmb fonts have different defaults
|
|
// (fixed doesn't really work right with Xft, especially rotated)
|
|
|
|
// HOWEVER, note that if a Xft-style font is requested (not start with "-"), and
|
|
// it turns out to be a bitmapped XFont, then Xft will load it, BUT it does not
|
|
// currently (5jan2007) rotate bitmapped fonts (ok-ish), nor adjust the baseline for its
|
|
// lack of rotation (not ok: messes up placement). I can't see a neat way around this,
|
|
// other than the user re-specifying their font explicitly in XFont form so we don't use the
|
|
// Xft backend.
|
|
|
|
std::string realname = *name_it;
|
|
|
|
#ifdef USE_XFT
|
|
if ((*name_it)[0] != '-') {
|
|
|
|
if (*name_it == "__DEFAULT__")
|
|
realname = "monospace";
|
|
|
|
tmp_font = new XftFontImp(0, s_utf8mode);
|
|
}
|
|
#endif // USE_XFT
|
|
|
|
if (!tmp_font) {
|
|
if (*name_it == "__DEFAULT__")
|
|
realname = "fixed";
|
|
|
|
#ifdef USE_XMB
|
|
|
|
if (s_multibyte || s_utf8mode) {
|
|
tmp_font = new XmbFontImp(0, s_utf8mode);
|
|
} else // basic font implementation
|
|
#endif // USE_XMB
|
|
{
|
|
tmp_font = new XFontImp();
|
|
}
|
|
}
|
|
|
|
if (tmp_font && tmp_font->load(realname.c_str())) {
|
|
lookup_map[name] = (*name_it);
|
|
m_fontimp = tmp_font;
|
|
font_cache[(*name_it)] = tmp_font;
|
|
m_fontstr = name;
|
|
resetEffects(*this);
|
|
return true;
|
|
}
|
|
|
|
delete tmp_font;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
unsigned int Font::textWidth(const FbString &text, unsigned int size) const {
|
|
return m_fontimp->textWidth(text, size);
|
|
}
|
|
|
|
unsigned int Font::height() const {
|
|
return m_fontimp->height();
|
|
}
|
|
|
|
int Font::ascent() const {
|
|
return m_fontimp->ascent();
|
|
}
|
|
|
|
int Font::descent() const {
|
|
return m_fontimp->descent();
|
|
}
|
|
|
|
bool Font::validOrientation(FbTk::Orientation orient) {
|
|
return m_fontimp->validOrientation(orient);
|
|
}
|
|
|
|
void Font::drawText(const FbDrawable &w, int screen, GC gc,
|
|
const FbString &text, size_t len, int x, int y,
|
|
Orientation orient) const {
|
|
if (text.empty() || len == 0)
|
|
return;
|
|
|
|
// so we don't end up in a loop with m_shadow
|
|
static bool first_run = true;
|
|
|
|
// draw "effects" first
|
|
if (first_run) {
|
|
if (m_shadow) {
|
|
FbTk::GContext shadow_gc(w);
|
|
shadow_gc.setForeground(m_shadow_color);
|
|
first_run = false;
|
|
drawText(w, screen, shadow_gc.gc(), text, len,
|
|
x + m_shadow_offx, y + m_shadow_offy, orient);
|
|
first_run = true;
|
|
} else if (m_halo) {
|
|
FbTk::GContext halo_gc(w);
|
|
halo_gc.setForeground(m_halo_color);
|
|
first_run = false;
|
|
drawText(w, screen, halo_gc.gc(), text, len, x + 1, y + 1, orient);
|
|
drawText(w, screen, halo_gc.gc(), text, len, x - 1, y + 1, orient);
|
|
drawText(w, screen, halo_gc.gc(), text, len, x - 1, y - 1, orient);
|
|
drawText(w, screen, halo_gc.gc(), text, len, x + 1, y - 1, orient);
|
|
first_run = true;
|
|
}
|
|
}
|
|
|
|
m_fontimp->drawText(w, screen, gc, text, len, x, y, orient);
|
|
|
|
}
|
|
|
|
};
|
|
|