4 | Corel PHOTO-PAINT 2018 User Guide
Editing images................................................................................................................................................................................... 125
Changing image dimensions, resolution, and paper size.................................................................................................................... 127
Changing image dimensions.........................................................................................................................................................127
Changing image resolution...........................................................................................................................................................128
Changing paper size.....................................................................................................................................................................129
Cropping, stitching, scaling, and changing orientation.......................................................................................................................131
Cropping images.......................................................................................................................................................................... 131
Stitching images together.............................................................................................................................................................133
Scaling images by using Smart Carver.......................................................................................................................................... 134
Straightening images....................................................................................................................................................................137
Straightening images and objects interactively by using the Straighten tool..................................................................................139
Correcting perspective distortions................................................................................................................................................. 141
Rotating and flipping images....................................................................................................................................................... 144
Retouching......................................................................................................................................................................................... 147
Improving scanned images........................................................................................................................................................... 147
Removing red-eye......................................................................................................................................................................... 148
Removing dust and scratch marks................................................................................................................................................ 149
Cloning image areas.....................................................................................................................................................................152
Sharpening images....................................................................................................................................................................... 154
Removing artifacts and noise from JPEG images...........................................................................................................................156
Erasing image areas......................................................................................................................................................................156
Smearing, smudging, and blending colors....................................................................................................................................158
Adjusting color and tone....................................................................................................................................................................161
Using the Image Adjustment Lab................................................................................................................................................. 161
Using individual color-adjustment effects and tools...................................................................................................................... 166
Exploring adjustment filters.......................................................................................................................................................... 170
Working with color channels........................................................................................................................................................ 174
Working with lenses........................................................................................................................................................................... 177
Creating lenses............................................................................................................................................................................. 177
Editing lenses............................................................................................................................................................................... 181
Combining lenses with the image background............................................................................................................................. 183