static int shouldSetXFontPath(JNIEnv *env) {
if (doSetFontPath == -1) {
doSetFontPath =
awt_display != NULL && (isDisplayLocal(env) || isSunXServer());
}
return doSetFontPath;
}
/*
* The goal of this function is to find all "system" fonts which
* are needed by the JRE to display text in supported locales etc, and
* to support APIs which allow users to enumerate all system fonts and use
* them from their Java applications.
* The preferred mechanism is now using the new "fontconfig" library
* This exists on newer versions of Linux and Solaris (S10 and above)
* The library is dynamically located. The results are merged with
* a set of "known" locations and with the X11 font path, if running in
* a local X11 environment.
* The hardwired paths are built into the JDK binary so as new font locations
* are created on a host plaform for them to be located by the JRE they will
* need to be added ito the host's font configuration database, typically
* /etc/fonts/local.conf, and to ensure that directory contains a fonts.dir
* NB: Fontconfig also depends heavily for performance on the host O/S
* maintaining up to date caches.
* This is consistent with the requirements of the desktop environments
* on these OSes.
* This also frees us from X11 APIs as JRE is required to function in
* a "headless" mode where there is no Xserver.
*/
static char *getPlatformFontPathChars(JNIEnv *env, jboolean noType1, jboolean isX11) {
char **fcdirs = NULL, **x11dirs = NULL, **knowndirs = NULL, *path = NULL;
/* As of 1.5 we try to use fontconfig on both Solaris and Linux.
* If its not available NULL is returned.
*/
fcdirs = getFontConfigLocations();
#if defined(__linux__)
knowndirs = fullLinuxFontPath;
#elif defined(__solaris__)
knowndirs = fullSolarisFontPath;
#elif defined(_AIX)
knowndirs = fullAixFontPath;
#endif
/* REMIND: this code requires to be executed when the GraphicsEnvironment
* is already initialised. That is always true, but if it were not so,
* this code could throw an exception and the fontpath would fail to
* be initialised.
*/
#ifndef HEADLESS
if (isX11) { // The following only works in an x11 environment.
#if defined(__linux__)
/* There's no headless build on linux ... */
if (!AWTIsHeadless()) { /* .. so need to call a function to check */
#endif
/* Using the X11 font path to locate font files is now a fallback
* useful only if fontconfig failed, or is incomplete. So we could
* remove this code completely and the consequences should be rare
* and non-fatal. If this happens, then the calling Java code can
* be modified to no longer require that the AWT lock (the X11GE)
* be initialised prior to calling this code.
*/
AWT_LOCK();
if (isDisplayLocal(env)) {
x11dirs = getX11FontPath();
}
AWT_UNLOCK();
#if defined(__linux__)
}
#endif
}
#endif /* !HEADLESS */
path = mergePaths(fcdirs, x11dirs, knowndirs, noType1);
if (fcdirs != NULL) {
char **p = fcdirs;
while (*p != NULL) free(*p++);
free(fcdirs);
}
if (x11dirs != NULL) {
char **p = x11dirs;
while (*p != NULL) free(*p++);
free(x11dirs);
}
return path;
}
/*
* The goal of this function is to find all "system" fonts which
* are needed by the JRE to display text in supported locales etc, and
* to support APIs which allow users to enumerate all system fonts and use
* them from their Java applications.
* The preferred mechanism is now using the new "fontconfig" library
* This exists on newer versions of Linux and Solaris (S10 and above)
* The library is dynamically located. The results are merged with
* a set of "known" locations and with the X11 font path, if running in
* a local X11 environment.
* The hardwired paths are built into the JDK binary so as new font locations
* are created on a host plaform for them to be located by the JRE they will
* need to be added ito the host's font configuration database, typically
* /etc/fonts/local.conf, and to ensure that directory contains a fonts.dir
* NB: Fontconfig also depends heavily for performance on the host O/S
* maintaining up to date caches.
* This is consistent with the requirements of the desktop environments
* on these OSes.
* This also frees us from X11 APIs as JRE is required to function in
* a "headless" mode where there is no Xserver.
*/
static char *getPlatformFontPathChars(JNIEnv *env, jboolean noType1) {
char **fcdirs = NULL, **x11dirs = NULL, **knowndirs = NULL, *path = NULL;
/* As of 1.5 we try to use fontconfig on both Solaris and Linux.
* If its not available NULL is returned.
*/
fcdirs = getFontConfigLocations();
#ifdef __linux__
knowndirs = fullLinuxFontPath;
#else /* IF SOLARIS */
knowndirs = fullSolarisFontPath;
#endif
/* REMIND: this code requires to be executed when the GraphicsEnvironment
* is already initialised. That is always true, but if it were not so,
* this code could throw an exception and the fontpath would fail to
* be initialised.
*/
#ifndef HEADLESS
#ifdef __linux__ /* There's no headless build on linux ... */
if (!AWTIsHeadless()) { /* .. so need to call a function to check */
#endif
AWT_LOCK();
if (isDisplayLocal(env)) {
x11dirs = getX11FontPath();
}
AWT_UNLOCK();
#ifdef __linux__
}
#endif
#endif /* !HEADLESS */
path = mergePaths(fcdirs, x11dirs, knowndirs, noType1);
if (fcdirs != NULL) {
char **p = fcdirs;
while (*p != NULL) free(*p++);
free(fcdirs);
}
if (x11dirs != NULL) {
char **p = x11dirs;
while (*p != NULL) free(*p++);
free(x11dirs);
}
return path;
}
