Method: Magick::Image#display

Defined in:
ext/RMagick/rmimage.cpp

#display {|info| ... } ⇒ Magick::Image Also known as: __display__

Display the image to an X window screen.

Yields:

  • (info)

Yield Parameters:

Returns:



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# File 'ext/RMagick/rmimage.cpp', line 5759

VALUE
Image_display(VALUE self)
{
    Image *image;
    Info *info;
    VALUE info_obj;
#if defined(IMAGEMAGICK_7)
    ExceptionInfo *exception;
#endif

    image = rm_check_destroyed(self);

    if (image->rows == 0 || image->columns == 0)
    {
        rb_raise(rb_eArgError, "invalid image geometry (%" RMIuSIZE "x%" RMIuSIZE ")", image->rows, image->columns);
    }

    info_obj = rm_info_new();
    TypedData_Get_Struct(info_obj, Info, &rm_info_data_type, info);

#if defined(IMAGEMAGICK_7)
    exception = AcquireExceptionInfo();
    DisplayImages(info, image, exception);
    CHECK_EXCEPTION();
    DestroyExceptionInfo(exception);
#else
    DisplayImages(info, image);
    rm_check_image_exception(image, RetainOnError);
#endif

    RB_GC_GUARD(info_obj);

    return self;
}