Youri,
Pictures in RB have a property "transparent" as integer, which is
essentially a 2 bit mask. You can set white to be transparent, or not
to be transparent.
On the other hand, they also have a .mask property, which has it's
own graphics handler.
If you draw into the pictures .mask property as follows, you would
get about 50% transparency of your picture.
picture.mask.grahics.forecolor = rgb(125,125,125) //middle spectrum grey
picture.mask.graphics.fillrect 0,0,picture.width,picture.height
Or, you can define a picture in a third party app to represent your
mask, and draw that picture into the mask using
mask.graphics.drawpicture
And, just to confuse you, alpha channels are like masks, only backwards.
Cheers,
Tom
On 06/01/2007, at 9:57 AM, Youri wrote:
Sorry Stefan,
I don't understand. I thought that with Mask you could assign a
color of a picture to be transparent.
Regards,
Youri
Stefan wrote:
Am 05.01.2007 um 23:44 schrieb Youri:
Stefan,
I haven't fully expressed myself. For instance one of the thing I
want to do is :
I have a RectangleControl, which the background color gets set as :
Dim c as Color
Dim b as Boolean
c= CMY(.35,.9,.6)
b=SelectColor(c,"Select a Color")
me.FillColor=c
Now, this is all good, but I want to create this blurry effect
and I can't define a color to be transparent (Mask Property) as I
have a solid color.
Mask is intended to define transparency values of pixels, not
transparent color of pixels.
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