On Mon, Jul 23, 2007 at 10:50:27PM +0200, Tony B wrote: > I'm working in the idea to make a captcha (system generating picts > containing text you should type to prove you're not a bot...) using GTK+ 2 Why on Earth? > and I'm seeking the right object to create an image from scratch and then > saving it in a file. Then look elsewhere. > I had a look in the tutorial and in the ref manual and 3 objects seems to be > ok: gtk drawing_area, gtk_image, and Gdk Pixbuf. GtkDrawingArea and GtkImage are *widgets* displayed *on* *screen*. GdkPixbuf is a raw pixel buffer with essentially zero drawing functions available. > I don't know really how I should make the choice (and I may forget another > object I didn't see...). So, neither is what you want. > What I have to do with the object is: > * creating a pict with an uniform background > * having the ability to do standard operations (points, polygons, etc...) > * having the ability to read a pixel > * having the ability to display text with a choosen font and size > * being able to save the final image... > * the rest to produce a good (I hope) captcha would be my work... > > Has anybody any reasons for a choice or a pointer to relevant docs to make > the choice? Relevant docs are for instance: http://www.imagemagick.org/script/api.php http://www.libgd.org/Main_Page http://cairographics.org/ and others Yeti -- http://gwyddion.net/ _______________________________________________ gtk-list mailing list gtk-list@xxxxxxxxx http://mail.gnome.org/mailman/listinfo/gtk-list
