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Using Graphics mode Tool
            The Graphics mode tool helps you change the mode of the image. It contains following options:

            •  Default: It is default displayed and brings no changes to the graphic object.
            •  Grayscale: It changes the image into grayscale.
            •  Black/White:  It converts  the pixels of the picture  into black and  white  depending  on  the
              brightness of the pixel.
            •  Watermark: It increases the transparency of the image to give it a watermark effect.
            Follow the given steps to use the Graphics mode tool:
            Step 1:   Select the image in the document on which you want to apply Graphics mode tool. The Picture toolbar
                    appears.

            Step 2:  Click on the Graphics mode tool. A drop-down menu appears.
            Step 3:  Select each option one by one and see the effect on the image.














                        Grayscale                  Black/White                 Watermark
            Changing the Picture Colours Using Color Tool

            Color tool present on the Picture toolbar helps you change the RGB colour combinations along with brightness,
            contrast, and gamma of the image. Follow the given steps to use the Color tool:

            Step 1:  Select the image in the Writer document.
            Step 2:   Click on the Color tool from the Picture toolbar. The Color toolbar appears with Red, Green, Blue, Brightness,
                    Contrast, and Gamma options.
            Step 3:   Change the values according to your requirement in respective boxes. As you change the value of any option
                    the effect of the change appears on the image.































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