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