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<title>apply_filter (Imlib2::Image)</title>
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<pre>/*
* Apply a scripted filter or a static (eg Imlib2::Filter) filter
*
* Example:
* # apply a static filter
* filter = Imlib2::Filter.new 20
* filter.set 2, 2, Imlib2::Color::GREEN
* image.filter filter
*
* # apply a scripted filter
* x, y = 20, 10
* filter_string = "tint( x=#{x}, y=#{y}, red=255, alpha=55 );"
* image.filter filter_string
*
*/
static VALUE image_filter(VALUE self, VALUE filter) {
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