drawMode
Specifies how the colors of a Shape object appear on the underlying surface.
Property of
Shape
Description
Use drawMode to create visual effects with the pen and brush (fill) colors of a Shape object.
dBASE Plus compares the colors specified by the colorNormal property of the Shape to the color of the underlying surface (usually a form), and renders a result according to drawMode.
In the table below, "Pen" refers to both the pen and brush colors of the Shape. "Merge" (bitwise OR), "Mask" (bitwise AND), and "XOR" indicate the type of bitwise operation to be performed on the pixel RGB values of the "Pen" and the drawing surface, while "NOT" means the operation involves the inverse, or complement (color negative), of one or both colors.
You can specify any of these settings for drawMode:
|
Value |
Description |
|
0 – Normal |
Color specified in the Shape colorNormal property (100% opacity) |
|
1 – Inverse |
Inverse (color negative) of the drawing surface color. Note: this setting disregards the Pen color. |
|
2 – Merge Pen NOT |
Combination of the Pen color and the inverse of the drawing surface color |
|
3 – Mask Pen NOT |
Combination of the colors common to both the Pen and the inverse of the surface |
|
4 – Merge NOT Pen |
Combination of the surface color and the inverse of the Pen color |
|
5 – Mask NOT Pen |
Combination of the colors common to both the surface and the inverse of the Pen |
|
6 – Merge Pen |
Combination of the Pen color and the surface color |
|
7 – NOT Merge Pen |
Inverse (color negative) of Merge Pen |
|
8 – Mask Pen |
Combination of the colors common to both the Pen and the surface |
|
9 – NOT Mask Pen |
Inverse (color negative) of Mask Pen |
|
10 – XOR Pen |
Combination of the colors in the Pen and the surface, but not common to both |
|
11 – NOT XOR Pen |
Inverse (color negative) of XOR Pen |