Corel Painter X3 Win/Mac, EDU, EN User's Guide Page 273

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250 Corel Painter X3 Getting Started Guide
A visual representation of the curve.
The horizontal axis represents the input (original color) values. The vertical axis
represents the output (corrected) values. Before you adjust a curve, it appears perfectly
diagonally (45°), which indicates that all input and output values are equal.
Corel Painter maps light values at the top of the graph and darker values at the bottom.
When you edit RGB curves, the current color is indicated by a colored point on the
curve. For example, if you’re editing the color blue, dragging the curve below the
diagonal line subtracts blue from the image and adds its complimentary color yellow.
Alternatively, dragging above the line intensifies the color blue.
You can use any of the following curve methods to correct colors:
Contrast and brightness
•Curve
•Freehand
•Advanced
Use the Color Correction dialog box to correct colors.
Original Color Values
Corrected
Values
Light
Dark
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