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/*
* Copyright (c) 2009 Giuseppe Torelli <colossus73@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License,or
* (at your option) any later version.
*
* This program 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 General Public License
* along with this program; if not,write to the Free Software
* Foundation,Inc.,59 Temple Place - Suite 330,Boston,MA 02111-1307,USA.
*
*/
#include <gdk/gdk.h>
void img_transition_set_name(gchar **name)
{
*name = "Blind Down";
}
void img_transition_render(GdkDrawable *window, GdkPixbuf *image_from, GdkPixbuf *image_to, gdouble progress, gint file_desc)
{
cairo_t *cr;
cairo_surface_t *surface;
gint width, height;
gdk_drawable_get_size(window, &width, &height);
if(file_desc < 0)
{
cr = gdk_cairo_create(window);
}
else
{
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height);
cr = cairo_create(surface);
}
gdk_cairo_set_source_pixbuf(cr,image_from,0,0);
cairo_paint(cr);
gdk_cairo_set_source_pixbuf(cr,image_to,0,0);
cairo_rectangle(cr, 0, 0, width, height * progress);
cairo_clip(cr);
cairo_paint(cr);
cairo_destroy(cr);
if(file_desc < 0)
return;
img_export_cairo_to_ppm(surface, file_desc);
cairo_surface_destroy(surface);
}
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