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// Font.cc for FbTk
// Copyright (c) 2002 - 2006 Henrik Kinnunen (fluxgen at fluxbox dot 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.
#ifndef FBTK_FONT_HH
#define FBTK_FONT_HH
#include <X11/Xlib.h>
#include "FbString.hh"
#include "Color.hh"
#include "Orientation.hh"
namespace FbTk {
class FontImp;
class FbDrawable;
/**
Handles the client to fontimp bridge.
*/
class Font {
public:
static const char DEFAULT_FONT[];
/// called at FbTk::App destruction time, cleans up cache
static void shutdown();
/// @return true if multibyte is enabled, else false
static bool multibyte();
/// @return true if utf-8 mode is enabled, else false
static bool utf8();
explicit Font(const char* name = DEFAULT_FONT);
virtual ~Font();
/**
Load a font
@return true on success, else false and it'll fall back on the last
loaded font
*/
bool load(const std::string &name);
void setHalo(bool flag) { m_halo = flag; if (m_halo) setShadow(false); }
void setHaloColor(const Color& color) { m_halo_color = color; }
void setShadow(bool flag) { m_shadow = flag; if (m_shadow) setHalo(false); }
void setShadowColor(const Color& color) { m_shadow_color = color; }
void setShadowOffX(int offx) { m_shadow_offx = offx; }
void setShadowOffY(int offy) { m_shadow_offy = offy; }
/**
@param text text to check size
@param size length of text in bytes
@return size of text in pixels
*/
unsigned int textWidth(const char* text, unsigned int size) const;
unsigned int textWidth(const BiDiString &text) const;
unsigned int height() const;
int ascent() const;
int descent() const;
/**
Returns whether we can draw this font in the given orientation.
(will instantiate that orientation, so do plan to use it...)
@param orient the orientation to test
*/
bool validOrientation(FbTk::Orientation orient);
/**
Draws text to drawable
@param w the drawable
@param screen screen number
@param gc Graphic Context
@param text the text buffer
@param len size of text buffer
@param x position
@param y position
@param rotate if the text should be drawn rotated (if it's rotated before)
*/
void drawText(const FbDrawable &w, int screen, GC gc,
const char* text, size_t len,
int x, int y, FbTk::Orientation orient = ROT0) const;
void drawText(const FbDrawable &w, int screen, GC gc,
const BiDiString &text,
int x, int y, FbTk::Orientation orient = ROT0) const {
drawText(w, screen, gc, text.visual().c_str(), text.visual().size(), x, y, orient);
}
bool hasShadow() const { return m_shadow; }
bool hasHalo() const { return m_halo; }
private:
FbTk::FontImp* m_fontimp; ///< font implementation
std::string m_fontstr; ///< font name
bool m_shadow; ///< shadow text
Color m_shadow_color; ///< shadow color
int m_shadow_offx; ///< offset y for shadow
int m_shadow_offy; ///< offset x for shadow
bool m_halo; ///< halo text
Color m_halo_color; ///< halo color
};
} //end namespace FbTk
#endif //FBTK_FONT_HH
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