1 files changed, 129 insertions, 0 deletions
diff --git a/client/x11/pixels_source.cpp b/client/x11/pixels_source.cpp
new file mode 100644
index 00000000..d8d8cb75
--- /dev/null
+++ b/client/x11/pixels_source.cpp
@@ -0,0 +1,129 @@
+/*
+   Copyright (C) 2009 Red Hat, Inc.
+
+   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 General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "common.h"
+#include "x_platform.h"
+#include "pixels_source.h"
+#include "pixels_source_p.h"
+#include "utils.h"
+#include "debug.h"
+#include "res.h"
+
+
+static void create_image(const PixmapHeader* pixmap, PixelsSource_p& pixels_source,
+                         cairo_format_t cairo_format)
+{
+    cairo_surface_t* cairo_surf;
+    XImage *image = new XImage;
+
+    memset(image, 0, sizeof(*image));
+    image->width = pixmap->width;
+    image->height = pixmap->height;
+
+    image->data = (char*)pixmap->data;
+    image->byte_order = LSBFirst;
+    image->bitmap_unit = 32;
+    image->bitmap_bit_order = LSBFirst;
+    image->bitmap_pad = 32;
+    image->bytes_per_line = pixmap->stride;
+
+    image->depth = XPlatform::get_vinfo()[0]->depth;
+    image->format = ZPixmap;
+    image->bits_per_pixel = 32;
+    image->red_mask = 0x00ff0000;
+    image->green_mask = 0x0000ff00;
+    image->blue_mask = 0x000000ff;
+
+    try {
+        if (!XInitImage(image)) {
+            THROW("init image failed");
+        }
+
+        cairo_surf = cairo_image_surface_create_for_data(pixmap->data, cairo_format,
+                                                         pixmap->width, pixmap->height,
+                                                         pixmap->stride);
+        if (cairo_surface_status(cairo_surf) != CAIRO_STATUS_SUCCESS) {
+            THROW("surf create failed");
+        }
+    } catch (...) {
+        delete image;
+        throw;
+    }
+
+    pixels_source.type = PIXELS_SOURCE_TYPE_PIXMAP;
+    pixels_source.pixmap.x_image = image;
+    pixels_source.pixmap.cairo_surf = cairo_surf;
+}
+
+PixelsSource::PixelsSource()
+{
+    _origin.x = _origin.y = 0;
+    memset(_opaque, 0, sizeof(_opaque));
+}
+
+PixelsSource::~PixelsSource()
+{
+}
+
+ImageFromRes::ImageFromRes(int res_id)
+{
+    const PixmapHeader* pixmap = res_get_image(res_id);
+    if (!pixmap) {
+        THROW("no image %d", res_id);
+    }
+    create_image(pixmap, *(PixelsSource_p*)get_opaque(), CAIRO_FORMAT_RGB24);
+}
+
+ImageFromRes::~ImageFromRes()
+{
+    cairo_surface_destroy(((PixelsSource_p*)get_opaque())->pixmap.cairo_surf);
+    delete ((PixelsSource_p*)get_opaque())->pixmap.x_image;
+}
+
+Point ImageFromRes::get_size()
+{
+    XImage *image = ((PixelsSource_p*)get_opaque())->pixmap.x_image;
+    Point pt;
+    pt.x = image->width;
+    pt.y = image->height;
+    return pt;
+}
+
+AlphaImageFromRes::AlphaImageFromRes(int res_id)
+{
+    const PixmapHeader* pixmap = res_get_image(res_id);
+    if (!pixmap) {
+        THROW("no image %d", res_id);
+    }
+    create_image(pixmap, *(PixelsSource_p*)get_opaque(), CAIRO_FORMAT_ARGB32);
+}
+
+AlphaImageFromRes::~AlphaImageFromRes()
+{
+    cairo_surface_destroy(((PixelsSource_p*)get_opaque())->pixmap.cairo_surf);
+    delete ((PixelsSource_p*)get_opaque())->pixmap.x_image;
+}
+
+Point AlphaImageFromRes::get_size()
+{
+    XImage *image = ((PixelsSource_p*)get_opaque())->pixmap.x_image;
+    Point pt;
+    pt.x = image->width;
+    pt.y = image->height;
+    return pt;
+}
+