From e1f9f6ad3d6ac307c0fa64839e9a9925e3716cb2 Mon Sep 17 00:00:00 2001 From: fluxgen Date: Mon, 14 Oct 2002 18:14:20 +0000 Subject: initial import --- src/XftFontImp.cc | 112 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ src/XftFontImp.hh | 42 ++++++++++++++++++++ 2 files changed, 154 insertions(+) create mode 100644 src/XftFontImp.cc create mode 100644 src/XftFontImp.hh diff --git a/src/XftFontImp.cc b/src/XftFontImp.cc new file mode 100644 index 0000000..d31a74e --- /dev/null +++ b/src/XftFontImp.cc @@ -0,0 +1,112 @@ +// XftFontImp.cc Xft font implementation for FbTk +// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.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: XftFontImp.cc,v 1.1 2002/10/14 18:14:20 fluxgen Exp $ + +#include "XftFontImp.hh" +#include "BaseDisplay.hh" + +XftFontImp::XftFontImp(const char *name):m_xftfont(0) { + if (name != 0) + load(name); +} + +XftFontImp::~XftFontImp() { + if (m_xftfont != 0) + XftFontClose(BaseDisplay::getXDisplay(), m_xftfont); +} + +bool XftFontImp::load(const std::string &name) { + //Note: assumes screen 0 for now, changes on draw if needed + + Display *disp = BaseDisplay::getXDisplay(); + XftFont *newxftfont = XftFontOpenName(disp, 0, name.c_str()); + + if (newxftfont == 0) // failed to open font, use old fon + return false; + + // destroy old font and set new + if (m_xftfont != 0) + XftFontClose(disp, m_xftfont); + + m_xftfont = newxftfont; + + return true; +} + +void XftFontImp::drawText(Drawable w, int screen, GC gc, const char *text, size_t len, int x, int y) const { + if (m_xftfont == 0) + return; + Display *disp = BaseDisplay::getXDisplay(); + XftDraw *draw = XftDrawCreate(disp, + w, + DefaultVisual(disp, screen), + DefaultColormap(disp, screen)); + + XGCValues gc_val; + + // get foreground pixel value and convert it to XRenderColor value + // TODO: we should probably check return status + XGetGCValues(disp, gc, GCForeground, &gc_val); + + // get red, green, blue values + XColor xcol; + xcol.pixel = gc_val.foreground; + XQueryColor(disp, DefaultColormap(disp, screen), &xcol); + + // convert xcolor to XftColor + XRenderColor rendcol; + rendcol.red = xcol.red; + rendcol.green = xcol.green; + rendcol.blue = xcol.blue; + rendcol.alpha = 0xFFFF; + XftColor xftcolor; + XftColorAllocValue(disp, DefaultVisual(disp, screen), DefaultColormap(disp, screen), + &rendcol, &xftcolor); + + // draw string + XftDrawString8 (draw, + &xftcolor, + m_xftfont, + x, y, + (XftChar8 *)(text), len); + + XftColorFree(disp, DefaultVisual(disp, screen), + DefaultColormap(disp, screen), &xftcolor); + XftDrawDestroy(draw); +} + +unsigned int XftFontImp::textWidth(const char *text, unsigned int len) const { + if (m_xftfont == 0) + return 0; + XGlyphInfo ginfo; + XftTextExtents8(BaseDisplay::getXDisplay(), + m_xftfont, + (XftChar8 *)text, len, + &ginfo); + return ginfo.xOff; +} + +unsigned int XftFontImp::height() const { + if (m_xftfont == 0) + return 0; + return m_xftfont->ascent + m_xftfont->descent; +} diff --git a/src/XftFontImp.hh b/src/XftFontImp.hh new file mode 100644 index 0000000..de3a1ed --- /dev/null +++ b/src/XftFontImp.hh @@ -0,0 +1,42 @@ +// XftFontImp.hh Xft font implementation for FbTk +// Copyright (c) 2002 Henrik Kinnunen (fluxgen@linuxmail.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: XftFontImp.hh,v 1.1 2002/10/14 18:14:13 fluxgen Exp $ + +#ifndef XFTFONTIMP_HH +#define XFTFONTIMP_HH + +#include "FontImp.hh" +#include + +class XftFontImp:public FbTk::FontImp { +public: + explicit XftFontImp(const char *fontname=0); + ~XftFontImp(); + bool load(const std::string &name); + void drawText(Drawable w, int screen, GC gc, const char *text, size_t len, int x, int y) const; + unsigned int textWidth(const char *text, unsigned int len) const; + unsigned int height() const; +private: + XftFont *m_xftfont; +}; + +#endif // XFTFONTIMP_HH -- cgit v0.11.2