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-rw-r--r--xcb01.cpp166
-rw-r--r--xcb02.cpp182
2 files changed, 348 insertions, 0 deletions
diff --git a/xcb01.cpp b/xcb01.cpp
new file mode 100644
index 0000000..8d9b1b4
--- /dev/null
+++ b/xcb01.cpp
@@ -0,0 +1,166 @@
+/*
+ * unbenannt.cxx
+ *
+ * Copyright 2012 Unknown <flo@archie>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+
+#include <iostream>
+#include <xcb/xcb.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+using namespace std;
+
+int main(int argc, char **argv)
+{
+ xcb_connection_t* conn;
+ conn=xcb_connect(NULL,NULL);
+
+ bool found_win=false;
+ xcb_window_t grabbed_win;
+ int grab_width, grab_height;
+ xcb_screen_t* grab_screen=NULL;
+
+ /* Find configured screen */
+ const xcb_setup_t *setup = xcb_get_setup(conn);
+ xcb_screen_t *scr = NULL;
+ for (xcb_screen_iterator_t i = xcb_setup_roots_iterator(setup);
+ i.rem > 0; xcb_screen_next (&i))
+ {
+ xcb_screen_t* scr = i.data;
+ xcb_query_tree_reply_t* reply = xcb_query_tree_reply( conn, xcb_query_tree(conn, scr->root), NULL);
+ if (reply)
+ {
+ int len = xcb_query_tree_children_length(reply);
+ xcb_window_t* children = xcb_query_tree_children(reply);
+ xcb_get_window_attributes_cookie_t* cookies = new xcb_get_window_attributes_cookie_t[len];
+ for (int i=0; i<len; ++i)
+ cookies[i]=xcb_get_window_attributes(conn, children[i]);
+
+ for (int i=0; i<len; ++i)
+ {
+ xcb_get_window_attributes_reply_t* attr =
+ xcb_get_window_attributes_reply (conn, cookies[i], NULL);
+
+
+ xcb_get_property_reply_t* title_reply = xcb_get_property_reply(conn,
+ xcb_get_property(conn, false, children[i], XCB_ATOM_WM_NAME, XCB_GET_PROPERTY_TYPE_ANY, 0, 128),
+ NULL );
+
+ if (!attr->override_redirect && attr->map_state == XCB_MAP_STATE_VIEWABLE)
+ {
+ char* title=(char*)(title_reply+1);
+ cout << title << endl;
+ if (strstr(title, "Mupen64Plus OpenGL Video"))
+ {
+ grabbed_win=children[i];
+ found_win=true;
+
+ /* Window properties */
+ xcb_get_geometry_reply_t *geo;
+ geo = xcb_get_geometry_reply (conn,
+ xcb_get_geometry (conn, grabbed_win),
+ NULL);
+ if (geo == NULL)
+ {
+ cerr << "geo==NULL!" << endl;
+ exit(1);
+ }
+
+ grab_width=geo->width;
+ grab_height=geo->height;
+
+ free(geo);
+
+ grab_screen=scr;
+ }
+ }
+
+ free(title_reply);
+ free(attr);
+ }
+
+ free(reply);
+ delete[] cookies;
+ }
+ }
+
+ if (found_win)
+ {
+ xcb_get_image_reply_t* img = xcb_get_image_reply (conn,
+ xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, grabbed_win,
+ 0, 0, grab_width, grab_height, ~0), NULL);
+
+
+
+ xcb_depth_iterator_t depth_iterator = xcb_screen_allowed_depths_iterator(grab_screen);
+
+ int ndepths=xcb_screen_allowed_depths_length(grab_screen);
+
+ for (int i=0; i<ndepths; ++i)
+ {
+ if (depth_iterator.data->depth == img->depth)
+ {
+ xcb_visualtype_t* visuals = xcb_depth_visuals(depth_iterator.data);
+ int nvisuals = xcb_depth_visuals_length(depth_iterator.data);
+
+ for (int j=0;j<nvisuals;j++)
+ {
+ if (visuals[j].visual_id==img->visual)
+ {
+ assert(visuals[j]._class==XCB_VISUAL_CLASS_TRUE_COLOR || visuals[j]._class==XCB_VISUAL_CLASS_DIRECT_COLOR);
+ cout << (int)visuals[j]._class << "," << XCB_VISUAL_CLASS_TRUE_COLOR << endl;
+ cout << visuals[j].red_mask << endl;
+ cout << visuals[j].green_mask << endl;
+ cout << visuals[j].blue_mask << endl;
+ break;
+ }
+ }
+
+ break;
+ }
+
+ xcb_depth_next(&depth_iterator);
+ }
+
+
+
+ int nformats = xcb_setup_pixmap_formats_length(setup);
+ xcb_format_t* formats = xcb_setup_pixmap_formats(setup);
+ for (int i=0;i<nformats;i++)
+ {
+ if (formats[i].depth==img->depth)
+ {
+ cout << (int)formats[i].bits_per_pixel << endl;
+ cout << (int)formats[i].scanline_pad << endl;
+ break;
+ }
+ }
+
+ cout << grab_width << "x" << grab_height << endl;
+ }
+ else
+ cerr << "FATAL: did not find window, exiting." << endl;
+
+
+ xcb_disconnect(conn);
+ return 0;
+}
+
diff --git a/xcb02.cpp b/xcb02.cpp
new file mode 100644
index 0000000..29c0bd6
--- /dev/null
+++ b/xcb02.cpp
@@ -0,0 +1,182 @@
+/*
+ * unbenannt.cxx
+ *
+ * Copyright 2012 Unknown <flo@archie>
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+
+
+#include <iostream>
+#include <xcb/xcb.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+#include <opencv2/opencv.hpp>
+
+using namespace std;
+using namespace cv;
+
+int main(int argc, char **argv)
+{
+ xcb_connection_t* conn;
+ conn=xcb_connect(NULL,NULL);
+
+ bool found_win=false;
+ xcb_window_t grabbed_win;
+ int grab_width, grab_height;
+ xcb_screen_t* grab_screen=NULL;
+
+ /* Find configured screen */
+ const xcb_setup_t *setup = xcb_get_setup(conn);
+ xcb_screen_t *scr = NULL;
+ for (xcb_screen_iterator_t i = xcb_setup_roots_iterator(setup);
+ i.rem > 0; xcb_screen_next (&i))
+ {
+ xcb_screen_t* scr = i.data;
+ xcb_query_tree_reply_t* reply = xcb_query_tree_reply( conn, xcb_query_tree(conn, scr->root), NULL);
+ if (reply)
+ {
+ int len = xcb_query_tree_children_length(reply);
+ xcb_window_t* children = xcb_query_tree_children(reply);
+ xcb_get_window_attributes_cookie_t* cookies = new xcb_get_window_attributes_cookie_t[len];
+ for (int i=0; i<len; ++i)
+ cookies[i]=xcb_get_window_attributes(conn, children[i]);
+
+ for (int i=0; i<len; ++i)
+ {
+ xcb_get_window_attributes_reply_t* attr =
+ xcb_get_window_attributes_reply (conn, cookies[i], NULL);
+
+
+ xcb_get_property_reply_t* title_reply = xcb_get_property_reply(conn,
+ xcb_get_property(conn, false, children[i], XCB_ATOM_WM_NAME, XCB_GET_PROPERTY_TYPE_ANY, 0, 128),
+ NULL );
+
+ if (!attr->override_redirect && attr->map_state == XCB_MAP_STATE_VIEWABLE)
+ {
+ char* title=(char*)(title_reply+1);
+ cout << title << endl;
+ if (strstr(title, "Mupen64Plus OpenGL Video"))
+ {
+ grabbed_win=children[i];
+ found_win=true;
+
+ /* Window properties */
+ xcb_get_geometry_reply_t *geo;
+ geo = xcb_get_geometry_reply (conn,
+ xcb_get_geometry (conn, grabbed_win),
+ NULL);
+ if (geo == NULL)
+ {
+ cerr << "geo==NULL!" << endl;
+ exit(1);
+ }
+
+ grab_width=geo->width;
+ grab_height=geo->height;
+
+ free(geo);
+
+ grab_screen=scr;
+ }
+ }
+
+ free(title_reply);
+ free(attr);
+ }
+
+ free(reply);
+ delete[] cookies;
+ }
+ }
+
+ if (found_win)
+ {
+ xcb_get_image_reply_t* img = xcb_get_image_reply (conn,
+ xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, grabbed_win,
+ 0, 0, grab_width, grab_height, ~0), NULL);
+
+
+
+ xcb_depth_iterator_t depth_iterator = xcb_screen_allowed_depths_iterator(grab_screen);
+
+ int ndepths=xcb_screen_allowed_depths_length(grab_screen);
+
+ for (int i=0; i<ndepths; ++i)
+ {
+ if (depth_iterator.data->depth == img->depth)
+ {
+ xcb_visualtype_t* visuals = xcb_depth_visuals(depth_iterator.data);
+ int nvisuals = xcb_depth_visuals_length(depth_iterator.data);
+
+ for (int j=0;j<nvisuals;j++)
+ {
+ if (visuals[j].visual_id==img->visual)
+ {
+ assert(visuals[j]._class==XCB_VISUAL_CLASS_TRUE_COLOR || visuals[j]._class==XCB_VISUAL_CLASS_DIRECT_COLOR);
+ cout << (int)visuals[j]._class << "," << XCB_VISUAL_CLASS_TRUE_COLOR << endl;
+ cout << visuals[j].red_mask << endl;
+ cout << visuals[j].green_mask << endl;
+ cout << visuals[j].blue_mask << endl;
+ break;
+ }
+ }
+
+ break;
+ }
+
+ xcb_depth_next(&depth_iterator);
+ }
+
+
+
+ int nformats = xcb_setup_pixmap_formats_length(setup);
+ xcb_format_t* formats = xcb_setup_pixmap_formats(setup);
+ for (int i=0;i<nformats;i++)
+ {
+ if (formats[i].depth==img->depth)
+ {
+ cout << (int)formats[i].bits_per_pixel << endl;
+ cout << (int)formats[i].scanline_pad << endl;
+ break;
+ }
+ }
+
+ cout << grab_width << "x" << grab_height << endl;
+
+ while(1)
+ {
+ Mat meh(grab_height, grab_width, CV_8UC4, xcb_get_image_data(img));
+ namedWindow("meh");
+ imshow("meh", meh);
+ waitKey(50);
+ img = xcb_get_image_reply (conn,
+ xcb_get_image (conn, XCB_IMAGE_FORMAT_Z_PIXMAP, grabbed_win,
+ 0, 0, grab_width, grab_height, ~0), NULL);
+
+ }
+
+ }
+ else
+ cerr << "FATAL: did not find window, exiting." << endl;
+
+
+ xcb_disconnect(conn);
+ return 0;
+}
+
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