Fabrice Closier <[EMAIL PROTECTED]> wrote:
> I have one script running where i use 2 members bitmap + 1 text member
> to generate a new composite of the 3... i need to [minimize and] rotate
> the text info before making the composite.
> how do i do this?
Hi Fabrice,
Here's a variation on Buzz's handler that allows you to scale the title, and
keep it transparent and in its original color. It's a good deal faster than
the other handler of mine that was quoted, but it only deals with 90° turns.
If the text uses more than one color, you'll need to rotate the rgb channel
as well as the alpha channel: there's a line in the code below that you'll
need to uncomment. (Caution, though: a bug in Director means that parts of
letters that overhang others may appear in the wrong color).
Cheers,
James
----------------------------------------------------------------------------
on RotateImage90(aTextMember, aScale) --------------------------------
-- INPUT: <aTextMember> should be a text member, but the handler
-- could be adapted for 32-bit bitmaps, Flash and
-- VectorShape members
-- <aScale> should be an integer or floating point number
-- OUTPUT: an image object representing aTextMember rotated through
-- 90° and scaled by aScale
--
-- EXAMPLE:
-- member("Bitmap").image = RotateImage90(member("Text"), 0.5)
--------------------------------------------------------------------
tSource = aTextMember.image.extractAlpha()
tRect = tSource.rect
tWidth = tRect.width * aScale
tHeight = tRect.height * aScale
-- Create a rotated alpha channel
tAlpha = image(tHeight, tWidth, 8)
-- Read from top to bottom
tQuad = [ \
point(tHeight, 0), \
point(tHeight, tWidth), \
point(0, tWidth), \
point(0, 0)]
-- -- To read from bottom to top, use this instead
-- tQuad = [ \
--point(0, tWidth), \
--point(0, 0), \
--point(tHeight, 0), \
--point(tHeight, tWidth)]
-- Copy the rotated text image into the alpha channel
tAlpha.copyPixels(tSource, tQuad, tRect)
-- Make a new image (rotated) to put the rotated version in
tTarget = image(tHeight, tWidth, 32, 8)
tTarget.fill(tTarget.rect, aTextMember.color)--only for text members
-- Use the following line instead for text in multiple colors or for
-- non text members:
-- tTarget.copyPixels(aTextMember.image, tQuad, tRect)
tTarget.setAlpha(tAlpha)
return tTarget
end RotateImage90
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