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/* Pango
* xftview.c: Example program to view a UTF-8 encoding file
* using PangoXft to render result
*
* Copyright (C) 1999,2004,2005 Red Hat, Inc.
* Copyright (C) 2001 Sun Microsystems
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "renderdemo.h"
#include "viewer-x.h"
#include <pango/pangoxft.h>
static void
default_substitute (FcPattern *pattern,
gpointer data)
{
int dpi = GPOINTER_TO_INT (data);
FcPatternAddInteger (pattern, FC_DPI, dpi);
}
static void
render_callback (PangoLayout *layout,
int x,
int y,
gpointer data,
gboolean show_borders)
{
XftDraw *draw = (XftDraw *)data;
XftColor color;
color.color.red = 0x0;
color.color.green = 0x0;
color.color.blue = 0x0;
color.color.alpha = 0xffff;
pango_xft_render_layout (draw, &color, layout, x, y);
/*
if (show_borders)
{
PangoContext *context;
PangoXftFontMap *fontmap;
PangoRenderer *renderer;
PangoRectangle ink, logical;
pango_layout_get_extents (layout, &ink, &logical);
context = pango_layout_get_context (layout);
fontmap = (PangoXftFontMap *)pango_context_get_font_map (context);
humm, we cannot go on, as the following is private api.
need to implement pango_font_map_get_renderer...
renderer = _pango_xft_font_map_get_renderer (fontmap);
}
*/
}
void
do_init (Display *display,
int screen,
int dpi,
/* output */
PangoContext **context,
int *width,
int *height)
{
XftInit (NULL);
*context = pango_xft_get_context (display, screen);
pango_xft_set_default_substitute (display, screen, default_substitute, GINT_TO_POINTER (dpi), NULL);
do_output (*context, NULL, NULL, NULL, width, height, FALSE);
}
void
do_render (Display *display,
int screen,
Window window,
Pixmap pixmap,
PangoContext *context,
int width,
int height,
gboolean show_borders)
{
XftDraw *draw;
XftColor color;
draw = XftDrawCreate (display, pixmap,
DefaultVisual (display, screen),
DefaultColormap (display, screen));
color.color.red = 0xffff;
color.color.blue = 0xffff;
color.color.green = 0xffff;
color.color.alpha = 0xffff;
XftDrawRect (draw, &color, 0, 0, width, height);
do_output (context, render_callback, NULL, draw, NULL, NULL, show_borders);
XftDrawDestroy (draw);
}
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