colorpicker
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Click on a pixel on your screen and print its color value in RGB. Written for X11.
User can now specify the location that the preview window is rendered in the form of WxH+X+Y. If an invalid position is specified, the position defaults to the standard location...
Changes to be committed: modified: Makefile modified: README.md
`gtk_timeout_add` expects its callback to match the type GtkFunction, which is: ```c typedef gboolean (*GtkFunction)(gpointer data); ``` But the function is declared as `gint preview_rectangle_refresh()`, which is an incompatible pointer...