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Using Filter Tool
                                The Filter tool has a drop-down arrow which expands to show various filters that can be applied on
                                the selected picture. The effect of these graphics filters are given below:




               Tools' Icon         Tools' Name         Description
                                                       For a grayscale it inverts the brightness. For coloured image it inverts
                                   Invert
                                                       the colours.

                                   Smooth              It softens the contrast of the image.

                                   Sharpen             It increases the contrast of the image.

                                   Remove Noise        It removes single pixels from the image.


                                   Solarization        It makes the image wholly  or partially  reverse in  the tone.  Used in
                                                       photographs. Dark appears light and light appears dark.

                                   Aging               It brings the impact of time with the age.

                                   Posterize           It makes the image appear like a poster with less colour combinations.

                                   Pop Art             It displays the image in the modern art style.


                                   Charcoal Sketch     It give a charcoal effect to the image.

                                   Relief              It displays a dialog box to adjust the light source to give a shadow effect.

                                   Mosaic              It displays the image as a group of pixels.


              Follows the given steps to use Filter tool:
              Step 1:  Insert an image in a Writer document. The Image toolbar appears.
              Step 2:  Click on the Filter tool. A drop-down menu appears containing different icons of filter effects.
              Step 3:  Click on the desired filter effect. In this case, we have clicked on the Mosaic effect.




























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