151 lines
4.9 KiB
C
151 lines
4.9 KiB
C
/* Pango
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* pangoxft-render.h: Rendering routines for the Xft library
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*
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* Copyright (C) 2004 Red Hat Software
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __PANGOXFT_RENDER_H__
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#define __PANGOXFT_RENDER_H__
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#include <pango/pango-renderer.h>
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G_BEGIN_DECLS
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#define _XFT_NO_COMPAT_
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#include <X11/Xlib.h>
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#include <X11/Xft/Xft.h>
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#if defined(XftVersion) && XftVersion >= 20000
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#else
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#error "must have Xft version 2 or newer"
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#endif
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typedef struct _PangoXftRenderer PangoXftRenderer;
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typedef struct _PangoXftRendererClass PangoXftRendererClass;
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typedef struct _PangoXftRendererPrivate PangoXftRendererPrivate;
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#define PANGO_TYPE_XFT_RENDERER (pango_xft_renderer_get_type())
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#define PANGO_XFT_RENDERER(object) (G_TYPE_CHECK_INSTANCE_CAST ((object), PANGO_TYPE_XFT_RENDERER, PangoXftRenderer))
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#define PANGO_IS_XFT_RENDERER(object) (G_TYPE_CHECK_INSTANCE_TYPE ((object), PANGO_TYPE_XFT_RENDERER))
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#define PANGO_XFT_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), PANGO_TYPE_XFT_RENDERER, PangoXftRendererClass))
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#define PANGO_IS_XFT_RENDERER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PANGO_TYPE_XFT_RENDERER))
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#define PANGO_XFT_RENDERER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), PANGO_TYPE_XFT_RENDERER, PangoXftRendererClass))
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/**
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* PangoXftRenderer:
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*
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* #PangoXftRenderer is a subclass of #PangoRenderer used for rendering
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* with Pango's Xft backend. It can be used directly, or it can be
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* further subclassed to modify exactly how drawing of individual
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* elements occurs.
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*
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* Since: 1.8
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*/
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struct _PangoXftRenderer
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{
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/*< private >*/
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PangoRenderer parent_instance;
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Display *display;
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int screen;
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XftDraw *draw;
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PangoXftRendererPrivate *priv;
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};
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/**
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* PangoXftRendererClass:
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* @composite_trapezoids: draw the specified trapezoids using
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* the current color and other attributes for @part
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* @composite_glyphs: draw the specified glyphs using
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* the current foreground color and other foreground
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* attributes
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*
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* The class structure for #PangoXftRenderer
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*
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* Since: 1.8
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*/
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struct _PangoXftRendererClass
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{
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/*< private >*/
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PangoRendererClass parent_class;
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/*< public >*/
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void (*composite_trapezoids) (PangoXftRenderer *xftrenderer,
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PangoRenderPart part,
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XTrapezoid *trapezoids,
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int n_trapezoids);
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void (*composite_glyphs) (PangoXftRenderer *xftrenderer,
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XftFont *xft_font,
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XftGlyphSpec *glyphs,
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int n_glyphs);
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};
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PANGO_AVAILABLE_IN_1_8
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GType pango_xft_renderer_get_type (void) G_GNUC_CONST;
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PANGO_AVAILABLE_IN_1_8
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PangoRenderer *pango_xft_renderer_new (Display *display,
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int screen);
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PANGO_AVAILABLE_IN_1_8
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void pango_xft_renderer_set_draw (PangoXftRenderer *xftrenderer,
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XftDraw *draw);
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PANGO_AVAILABLE_IN_1_8
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void pango_xft_renderer_set_default_color (PangoXftRenderer *xftrenderer,
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PangoColor *default_color);
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PANGO_AVAILABLE_IN_ALL
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void pango_xft_render (XftDraw *draw,
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XftColor *color,
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PangoFont *font,
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PangoGlyphString *glyphs,
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gint x,
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gint y);
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PANGO_AVAILABLE_IN_ALL
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void pango_xft_picture_render (Display *display,
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Picture src_picture,
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Picture dest_picture,
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PangoFont *font,
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PangoGlyphString *glyphs,
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gint x,
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gint y);
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PANGO_AVAILABLE_IN_1_8
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void pango_xft_render_transformed (XftDraw *draw,
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XftColor *color,
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PangoMatrix *matrix,
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PangoFont *font,
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PangoGlyphString *glyphs,
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int x,
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int y);
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PANGO_AVAILABLE_IN_1_8
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void pango_xft_render_layout_line (XftDraw *draw,
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XftColor *color,
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PangoLayoutLine *line,
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int x,
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int y);
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PANGO_AVAILABLE_IN_1_8
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void pango_xft_render_layout (XftDraw *draw,
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XftColor *color,
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PangoLayout *layout,
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int x,
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int y);
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G_END_DECLS
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#endif /* __PANGOXFT_RENDER_H__ */
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