119 lines
4.1 KiB
C++
119 lines
4.1 KiB
C++
// Font.cc for FbTk
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// Copyright (c) 2002 Henrik Kinnunen (fluxgen at linuxmail.org)
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//$Id: Font.hh,v 1.10 2004/08/18 16:30:33 rathnor Exp $
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#ifndef FBTK_FONT_HH
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#define FBTK_FONT_HH
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#include <X11/Xlib.h>
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#include <X11/Xresource.h>
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#include <string>
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#include <memory>
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#include <iconv.h>
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namespace FbTk {
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void fontInit();
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class FontImp;
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/**
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Handles the client to fontimp bridge.
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*/
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class Font {
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public:
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Font(const char *name=0, bool antialias = false);
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virtual ~Font();
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/**
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Load a font
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@return true on success, else false and it'll fall back on the last
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loaded font
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*/
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bool load(const std::string &name);
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/// @return true if multibyte is enabled, else false
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static bool multibyte() { return m_multibyte; }
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/// @return true if utf-8 mode is enabled, else false
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static bool utf8() { return m_utf8mode; }
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void setAntialias(bool flag);
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inline void setShadow(bool flag) { m_shadow = flag; if (m_shadow) setHalo(false); }
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inline void setHalo(bool flag) { m_halo = flag; if (m_halo) setShadow(false); }
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/**
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@param text text to check size
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@param size length of text in bytes
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@return size of text in pixels
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*/
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unsigned int textWidth(const char * const text, unsigned int size) const;
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unsigned int height() const;
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int ascent() const;
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int descent() const;
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/**
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Rotate font in any angle
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(currently only 90 degrees supported and just XFont implementation)
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*/
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void rotate(float angle);
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/**
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Draws text to drawable
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@param w the drawable
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@param screen screen number
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@param gc Graphic Context
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@param text the text buffer
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@param len size of text buffer
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@param x position
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@param y position
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@param rotate if the text should be drawn rotated (if it's rotated before)
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*/
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void drawText(Drawable w, int screen, GC gc,
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const char *text, size_t len,
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int x, int y, bool rotate=true) const;
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bool isAntialias() const { return m_antialias; }
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/// @return true if the font is rotated, else false
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bool isRotated() const { return m_rotated; }
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/// @return rotated angle
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float angle() const { return m_angle; }
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bool shadow() const { return m_shadow; }
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bool halo() const { return m_halo; }
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private:
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std::auto_ptr<FontImp> m_fontimp; ///< font implementation
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std::string m_fontstr; ///< font name
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static bool m_multibyte; ///< if the fontimp should be a multibyte font
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static bool m_utf8mode; ///< should the font use utf8 font imp
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bool m_antialias; ///< is font antialias
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bool m_rotated; ///< wheter we're rotated or not
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float m_angle; ///< rotation angle
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bool m_shadow; ///< shadow text
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std::string m_shadow_color; ///< shadow color
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int m_shadow_offx; ///< offset y for shadow
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int m_shadow_offy; ///< offset x for shadow
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bool m_halo; ///< halo text
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std::string m_halo_color; ///< halo color
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iconv_t m_iconv;
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};
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} //end namespace FbTk
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#endif //FBTK_FONT_HH
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