96 lines
2.3 KiB
C++
96 lines
2.3 KiB
C++
/* Copyright (C) 2000 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#include <X11/Xlib.h>
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#include <gcj/cni.h>
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#include <gnu/gcj/RawData.h>
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#include <java/lang/String.h>
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#include <gnu/gcj/xlib/Display.h>
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#include <gnu/gcj/xlib/Font.h>
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#include <gnu/gcj/xlib/XException.h>
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gnu::gcj::RawData* gnu::gcj::xlib::Font::loadFont(Display* display,
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jstring lfdNamePattern)
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{
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::Display* dpy = (::Display*) display->display;
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int len = JvGetStringUTFLength(lfdNamePattern);
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char cName[len+1];
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JvGetStringUTFRegion(lfdNamePattern, 0, lfdNamePattern->length(),
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cName);
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cName[len] = '\0';
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XFontStruct* fontStruct = XLoadQueryFont(dpy, cName);
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if (fontStruct == 0)
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{
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JvThrow(new XException(JvNewStringLatin1("font not found")));
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}
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return reinterpret_cast<gnu::gcj::RawData*>(fontStruct);
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}
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jint gnu::gcj::xlib::Font::getXIDFromStruct(gnu::gcj::RawData* structure)
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{
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XFontStruct* fontStruct = (XFontStruct*) structure;
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return fontStruct->fid;
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}
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jint gnu::gcj::xlib::Font::getMaxAscent()
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{
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XFontStruct* fontStruct = (XFontStruct*) structure;
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return fontStruct->max_bounds.ascent;
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}
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jint gnu::gcj::xlib::Font::getMaxDescent()
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{
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XFontStruct* fontStruct = (XFontStruct*) structure;
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return fontStruct->max_bounds.descent;
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}
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jint gnu::gcj::xlib::Font::getAscent()
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{
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XFontStruct* fontStruct = (XFontStruct*) structure;
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return fontStruct->ascent;
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}
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jint gnu::gcj::xlib::Font::getDescent()
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{
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XFontStruct* fontStruct = (XFontStruct*) structure;
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return fontStruct->ascent;
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}
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jint gnu::gcj::xlib::Font::getStringWidth(java::lang::String* text)
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{
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XFontStruct* fontStruct = (XFontStruct*) structure;
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// FIXME: make proper unicode conversion
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int len = JvGetStringUTFLength(text);
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char ctxt[len+1];
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JvGetStringUTFRegion(text, 0, text->length(), ctxt);
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ctxt[len] = '\0';
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int width = XTextWidth(fontStruct, ctxt, len);
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return width;
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}
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void gnu::gcj::xlib::Font::finalize()
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{
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if (structure != 0)
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{
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::Display* dpy = (::Display*) display->display;
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XFontStruct* fontStruct = (XFontStruct*) structure;
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int result = XFreeFont(dpy, fontStruct);
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if (result == BadFont)
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throw new XException(display, result);
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structure = 0; xid = 0;
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}
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}
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