1 files changed, 96 insertions, 0 deletions
diff --git a/client/red_sw_canvas.cpp b/client/red_sw_canvas.cpp
new file mode 100644
index 0000000..05da430
--- /dev/null
+++ b/client/red_sw_canvas.cpp
@@ -0,0 +1,96 @@
+/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
+/*
+   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_sw_canvas.h"
+#include "utils.h"
+#include "debug.h"
+#include "region.h"
+#include "red_pixmap_sw.h"
+
+SCanvas::SCanvas(bool onscreen,
+                 int width, int height, uint32_t format, RedWindow *win,
+                 PixmapCache& pixmap_cache, PaletteCache& palette_cache,
+                 GlzDecoderWindow &glz_decoder_window, CSurfaces& csurfaces)
+    : Canvas (pixmap_cache, palette_cache, glz_decoder_window, csurfaces)
+    , _pixmap (0)
+{
+    if (onscreen) {
+        _pixmap = new RedPixmapSw(width, height,
+                                  RedDrawable::format_from_surface(format),
+                                  true, win);
+        _canvas = canvas_create_for_data(width, height, format,
+                                         _pixmap->get_data(),
+                                         _pixmap->get_stride(),
+                                         &pixmap_cache.base,
+                                         &palette_cache.base,
+                                         &csurfaces.base,
+                                         &glz_decoder());
+    } else {
+        _canvas = canvas_create(width, height, format,
+                                &pixmap_cache.base,
+                                &palette_cache.base,
+                                &csurfaces.base,
+                                &glz_decoder());
+    }
+    if (_canvas == NULL) {
+        THROW("create canvas failed");
+    }
+}
+
+SCanvas::~SCanvas()
+{
+    _canvas->ops->destroy(_canvas);
+    _canvas = NULL;
+    if (_pixmap) {
+        delete _pixmap;
+        _pixmap = NULL;
+    }
+}
+
+void SCanvas::copy_pixels(const QRegion& region, RedDrawable& dest_dc)
+{
+    pixman_box32_t *rects;
+    int num_rects;
+
+    ASSERT(_pixmap != NULL);
+
+    rects = pixman_region32_rectangles((pixman_region32_t *)&region, &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 SCanvas::copy_pixels(const QRegion& region, RedDrawable* dest_dc, const PixmapHeader* pixmap)
+{
+    copy_pixels(region, *dest_dc);
+}
+
+CanvasType SCanvas::get_pixmap_type()
+{
+    return CANVAS_TYPE_SW;
+}
+