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/*
Copyright (C) 2009 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "common.h"
#include <stdint.h>
#include "red_window.h"
#include "red_cairo_canvas.h"
#include "utils.h"
#include "debug.h"
#include "region.h"
#include "red_pixmap_cairo.h"
CCanvas::CCanvas(PixmapCache& pixmap_cache, PaletteCache& palette_cache,
GlzDecoderWindow &glz_decoder_window, CSurfaces& csurfaces)
: Canvas (pixmap_cache, palette_cache, glz_decoder_window, csurfaces)
, _pixmap (0)
{
}
CCanvas::~CCanvas()
{
destroy();
}
void CCanvas::destroy()
{
if (_canvas) {
_canvas->ops->destroy(_canvas);
_canvas = NULL;
}
destroy_pixmap();
}
void CCanvas::destroy_pixmap()
{
delete _pixmap;
_pixmap = NULL;
}
void CCanvas::create_pixmap(int width, int height, RedWindow *win)
{
_pixmap = new RedPixmapCairo(width, height, RedPixmap::RGB32, true, NULL, win);
}
void CCanvas::copy_pixels(const QRegion& region, RedDrawable& dest_dc)
{
pixman_box32_t *rects;
int num_rects;
rects = pixman_region32_rectangles((pixman_region32_t *)®ion, &num_rects);
for (int i = 0; i < num_rects; i++) {
SpiceRect r;
r.left = rects[i].x1;
r.top = rects[i].y1;
r.right = rects[i].x2;
r.bottom = rects[i].y2;
dest_dc.copy_pixels(*_pixmap, r.left, r.top, r);
}
}
void CCanvas::copy_pixels(const QRegion& region, RedDrawable* dest_dc, const PixmapHeader* pixmap)
{
copy_pixels(region, *dest_dc);
}
void CCanvas::set_mode(int width, int height, int depth, RedWindow *win)
{
pixman_image_t *surface;
destroy();
create_pixmap(width, height, win);
surface = pixman_image_create_bits(PIXMAN_x8r8g8b8, width, height,
(uint32_t *)_pixmap->get_data(),
_pixmap->get_stride());
if (surface == NULL) {
THROW("create surface failed, out of memory");
}
if (!(_canvas = canvas_create(surface, depth,
&pixmap_cache().base,
&palette_cache().base,
&csurfaces().base,
&glz_decoder()))) {
THROW("create canvas failed");
}
pixman_image_unref (surface);
}
CanvasType CCanvas::get_pixmap_type()
{
return CANVAS_TYPE_CAIRO;
}
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