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gtk vector screenshot module ============================ © 2011 Joachim Breitner <firstname.lastname@example.org> This gtk module allows you to take a screenshot of a running gtk-3 application as a vector image, with fully scalable graphics and selectable text. It supports rendering the application to PDF, SVG and PostScript. Installation ============ To install the module, use the usual sequence: ./configure --prefix=/usr make sudo make install And then ensure that the environment variable GTK_MODULES includes gtk-vector-screenshot, e.g. in ~/.xsessionrc or by putting the file 52load-gtk-vector-screenshot-gtk-module into /etc/X11/Xsession.d. If you do not install into /usr, you will have set GTK_PATH or pass the full path of gtk-vector-screencast.so via GTK_MODULES when invoking the application. Usage ===== You need to ensure that the gtk-vector-screenshot module is loaded by the application, see section Installation. Distribution packages should take care of this, but you might need to login again after you install the package. Then run take-vector-screenshot, press the button, click on the window and then you can select the filename to save the image under. You can watch a screencast of the program in action at http://www.joachim-breitner.de/blog/archives/494-Better-PDF-screenshots-with-gtk-3.html Protocol ======== The module is loaded by every application, and only activated using the take-vector-screenshot program. The protocol is simple and based on X window properties and X client messages: The gtk module sets the GTK_VECTOR_SCREENSHOT property for each top-level X window to some arbitrary value (currently "supported"). The control application sends an XClientMessage event to that window of type GTK_VECTOR_SCREENSHOT and with event.window set to the receiving window. Development =========== The latest release can be found on http://www.joachim-breitner.de/archive/gtk-vector-screenshot/ For the list of changes, see ChangeLog. The code is hosted on gitorious.org: https://gitorious.org/gtk-vector-screenshot/gtk-vector-screenshot You can pull from the repository via git clone git://gitorious.org/gtk-vector-screenshot/gtk-vector-screenshot.git or if you are registered with gitorious, via email@example.com:gtk-vector-screenshot/gtk-vector-screenshot.git Feel free to submit patches, but also feel free to contact me first with your ideas, in case I have different plans. BUGS and TODOs ============== * It only works with gtk3 applications. * The screenshot is taken the moment you press Save in the file chooser dialogue, not when you press the “Take vector screenshot” button. * Make the preview widget behave more sensible with regard to resizes. * Less hakish setting of the GTK_VECTOR_SCREENSHOT property. * Fallback code without IPC for windows, as for version 0.2. * Use GtkInvisible for the grab in take-vector-screenshot.c, as that is what its meant for, it seems.