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In the Options bar, you can experiment with Brush size and type, Mode, Opacity and Flow percentages,
                 and Airbrush.




                                                     Options bar of History Brush Tool

                 Perform the following steps to use the History Brush Tool:
                 Step 1:    Open an image in Photoshop.
                 Step 2:    Open the History panel by selecting Window → History option from the Menu bar.
                 Step 3:    Select the History Brush Tool from the Tools panel.
                 Step 4:      Make the desired changes in image.














                                            Using History Brush Tool                                                                              History panel


                                                            Tech Fact

                   A snapshot is a temporary copy of the image at any state. Desaturate replaces the colours to
                                    grayscale from the image More like black and white mode.




                      Gradient Tool
                 Gradient Tool creates an inclined blend of two or more colours which adds a creative value to your
                 work. The Gradient Tool can be used to draw linear, radial, angular, reflected or diamond gradients.
                 The paint bucket tool applies the same color to the entire selection, the gradient tool applies multiple
                 colors that transition from one to the next.

                 Perform the following steps to use the Gradient Tool:
                 Step 1:    Create a new document in Photoshop 7.0.

                 Step 2:    Select the Gradient Tool from the Tools panel.
                 Step 3:      Select one  of the preset gradients  from the  Gradient
                            Picker on the Options bar.
                 Step 4:      Drag the Gradient Tool from the top to the bottom. The
                            selected gradient effect is applied in the document.


                                                                                               Gradient Picker



                                                       Options bar of Gradient Tool


                                                                                 Introduction to Adobe Photoshop 7.0  17
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