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Back to Picture class.

Picture.ExtractColorRectangleMaskMBS as picture

Type Topic Plugin Version macOS Windows Linux iOS Targets
method Graphics & Pictures MBS Picture Plugin 9.7 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Creates a mask picture with all the rectangles marked visible which contain color.
Example 
dim invertedpic as picture
dim pic as Picture

pic=New Picture(300,300,32)
pic.graphics.drawpicture LogoMBS(100), 150,50

Backdrop=pic.ExtractColorRectangleMaskMBS
// marks black where the logo is drawn

If you have a picture which is mostly gray and you need to find a color picture inside, this method can be helpful.

In the returned picture all pixels are black which belong to a rectangle which contains color pixels in the original picture.

See also:

Some examples using this method:

Picture.ExtractColorRectangleMaskMBS(left as Integer,top as Integer,width as Integer,height as Integer) as picture

Type Topic Plugin Version macOS Windows Linux iOS Targets
method Graphics & Pictures MBS Picture Plugin 9.7 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Creates a mask picture with all the rectangles marked visible which contain color.

If you have a picture which is mostly gray and you need to find a color picture inside, this method can be helpful.

In the returned picture all pixels are black which belong to a rectangle which contains color pixels in the original picture.

All pixel outside the rectangle specified will be white.

See also:

Some examples using this method:

The items on this page are in the following plugins: MBS Picture Plugin.


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