User Guide
Corel Painter 247
handled box marks the boundary 
of the layer’s contents in the 
document window. 
To resize a reference layer:
1 Select a reference layer.
2 Do one of the following:
• Drag a corner handle to resize 
the layer in two directions at 
once. If you want to maintain 
the layer proportions, hold 
down Shift as you drag. The 
pointer changes as you position 
it over a handle  .
• Drag a side handle to resize the 
layer in one direction only.
To rotate a reference layer:
1 Select a reference layer.
2 Hold down Command (Mac OS) 
or Ctrl (Windows), and drag a 
corner handle. The pointer 
changes as you position it over a 
corner handle  .
To skew a reference layer:
1 Select a reference layer.
2 Hold down Command (Mac OS) 
or Ctrl (Windows), and drag a side 
handle. The pointer changes as 
you position it over a side 
handle .
 To set reference layer options:
1 Select a reference layer.
2 Choose Effects menu > 
Orientation > Set Transform.
3 In the Set Transform dialog box, 
adjust any of the following 
settings:
• Retain Alpha—works with 
placed images to retain the 
file’s alpha channel. When the 
image is placed, the channel 
becomes the layer mask. Dis-
able this option to discard the 
channel. 
• Horizontal and Vertical—the 
scaling relationship between 
the reference layer and the 
source layer. If the scaling is 
low, 33% for example, and you 
increase it, Corel Painter refers 
to the source layer to get more 
pixel data.
• Constrain Aspect Ratio—
maintains the proportions of 
the image. Disable this option 
to distort the image propor-
tions.
• Rotation and Slant—rotate or 
slant the layer based on an orig-
inal position of 0°. Enter posi-
tive values to rotate/slant the 
layer counter-clockwise; enter 
negative values to rotate/slant 
the layer clockwise.
• Fast—sets a high sampling 
ratio to produce a low resolu-
tion reference layer. A low reso-
lution reference layer contains 
less information, so it can be 
transformed quickly.
• Clean—sets the sampling ratio 
at 1 to 1 to produce a reference 
layer of the highest possible res-
olution—up to that of the 
source. This shows a better 
image as you work, but takes 
much longer to calculate trans-
formations.
Notes 










