Editing bitmaps

Most commonly used tools for photo editing are located in the Image Editing panel (Window > Others > Image Editing).

• Draw bitmap objects
• Paint an object with the Brush tool
• Change pixels to the fill color
• Apply a gradient fill to a pixel selection
• Sample a color to use as a stroke or fill color
• Erase pixels in a bitmap object or selection
• Crop a selected bitmap

 community help (adobe.com)