Method: Magick::Image#to_color

Defined in:
ext/RMagick/rmimage.cpp

#to_color(pixel_arg) ⇒ String

Return a color name for the color intensity specified by the Magick::Pixel argument.

Parameters:

Returns:

  • (String) —

    the color name



14603
14604
14605
14606
14607
14608
14609
14610
14611
14612
14613
14614
14615
14616
14617
14618
14619
14620
14621
14622
14623
14624
14625
14626
14627
14628
14629
14630
14631
 
# File 'ext/RMagick/rmimage.cpp', line 14603

VALUE
Image_to_color(VALUE self, VALUE pixel_arg)
{
    Image *image;
    PixelColor pixel;
    ExceptionInfo *exception;
    char name[MaxTextExtent];

    image = rm_check_destroyed(self);
    Color_to_PixelColor(&pixel, pixel_arg);
    exception = AcquireExceptionInfo();

#if defined(IMAGEMAGICK_7)
    pixel.depth = MAGICKCORE_QUANTUM_DEPTH;
    pixel.colorspace = image->colorspace;
#endif

    // QueryColorname returns False if the color represented by the PixelPacket
    // doesn't have a "real" name, just a sequence of hex digits. We don't care
    // about that.

    QueryColorname(image, &pixel, AllCompliance, name, exception);
    CHECK_EXCEPTION();

    DestroyExceptionInfo(exception);

    return rb_str_new2(name);

}