#include <X11/Xlib.h>
#include <gcj/cni.h>
#include <gnu/gcj/RawData.h>
#include <java/lang/String.h>
#include <gnu/gcj/xlib/Display.h>
#include <gnu/gcj/xlib/Font.h>
#include <gnu/gcj/xlib/XException.h>
gnu::gcj::RawData* gnu::gcj::xlib::Font::loadFont(Display* display,
jstring lfdNamePattern)
{
::Display* dpy = (::Display*) display->display;
int len = JvGetStringUTFLength(lfdNamePattern);
char cName[len+1];
JvGetStringUTFRegion(lfdNamePattern, 0, lfdNamePattern->length(),
cName);
cName[len] = '\0';
XFontStruct* fontStruct = XLoadQueryFont(dpy, cName);
if (fontStruct == 0)
{
throw new XException(JvNewStringLatin1("font not found"));
}
return reinterpret_cast<gnu::gcj::RawData*>(fontStruct);
}
jint gnu::gcj::xlib::Font::getXIDFromStruct(gnu::gcj::RawData* structure)
{
XFontStruct* fontStruct = (XFontStruct*) structure;
return fontStruct->fid;
}
jint gnu::gcj::xlib::Font::getMaxAscent()
{
XFontStruct* fontStruct = (XFontStruct*) structure;
return fontStruct->max_bounds.ascent+1; }
jint gnu::gcj::xlib::Font::getMaxDescent()
{
XFontStruct* fontStruct = (XFontStruct*) structure;
return fontStruct->max_bounds.descent-1; }
jint gnu::gcj::xlib::Font::getAscent()
{
XFontStruct* fontStruct = (XFontStruct*) structure;
jint returnValue = fontStruct->ascent;
if (fontStruct->min_byte1==0 && fontStruct->min_char_or_byte2<=(unsigned)'O')
returnValue = fontStruct
->per_char[(unsigned)'O'-fontStruct->min_char_or_byte2]
.ascent;
return returnValue+1; }
jint gnu::gcj::xlib::Font::getDescent()
{
XFontStruct* fontStruct = (XFontStruct*) structure;
jint returnValue = fontStruct->descent;
if (fontStruct->min_byte1==0 && fontStruct->min_char_or_byte2<=(unsigned)'y')
returnValue = fontStruct
->per_char[(unsigned)'y'-fontStruct->min_char_or_byte2]
.descent;
return returnValue-1; }
jint gnu::gcj::xlib::Font::getStringWidth(java::lang::String* text)
{
XFontStruct* fontStruct = (XFontStruct*) structure;
jint length = text->length();
jchar* txt = JvGetStringChars(text);
XChar2b xwchars[length];
for (int i=0; i<length; i++)
{
XChar2b* xc = &(xwchars[i]);
jchar jc = txt[i];
xc->byte1 = (jc >> 8) & 0xff;
xc->byte2 = jc & 0xff;
}
return XTextWidth16(fontStruct, xwchars, length);
}
void gnu::gcj::xlib::Font::finalize()
{
if (structure != 0)
{
::Display* dpy = (::Display*) display->display;
XFontStruct* fontStruct = (XFontStruct*) structure;
int result = XFreeFont(dpy, fontStruct);
if (result == BadFont)
throw new XException(display, result);
structure = 0; xid = 0;
}
}