Adobe 65036570 - Director - PC, Руководство пользователя

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ADOBE DIRECTOR 11.0
User Guide
104
About importing bitmaps
Importing bitmaps is similar to importing other types of media. If you import a bitmap with a color palette or depth
different from that of the current movie, the Image Options dialog box appears. You must choose to import the
bitmap at its original color depth or at the current system color depth. If you are importing an 8-bit image, you have
the choice of importing the image’s color palette or remapping the image to a palette that is already in Director. For
more information, see
Choosing import image options .
Director can import images with alpha channel (transparency) effects, which are 32 bits. If you reduce the image to
a lower color depth, Director removes all the alpha channel data.
When importing bitmaps, you should always consider that they display on the screen at your monitor’s resolution
(generally 72 to 96 dots per inch). Higher-resolution images that you place on the Stage in Director might appear
much larger than you expect. Other applications, particularly those focused on creating images for print, let you
work on the screen with high-resolution images at reduced sizes. Within Director, you can scale high-resolution
images to the right size, but this might reduce the quality of the image. Also, high-resolution images use extra
memory and storage space, even after they’ve been scaled.
If you are working with a high-resolution image, convert it to between 72 and 96 dots per inch with your image-
editing program before you import it into Director.
Director supports JPEG compression at runtime for internal cast members that are imported through the Standard
or Include Original Data For Editing import options. A JPEG file that’s imported with either of these options
contains both the original compressed bits and decompressed bits. After it’s imported, the JPEG file decompresses
in the authoring environment. The cast member size displays the member’s size in RAM after it’s decompressed.
Because the amount of RAM required to display a JPEG file is larger than its size on disk, you can expect that the
JPEG cast member size is larger in the Cast Properties window.
Director takes advantage of compressed JPEG data at runtime. The original compressed data bits are saved in
Shockwave® content or a projector (if the Shockwave compression option is on). If you edit the member within
Director in the Paint window, the compressed data is lost. An alert appears before the data is overwritten.
If the Shockwave compression option is on, Director also compresses bitmaps into the JPEG format. For more infor-
mation about bitmap compression, see
Compressing bitmaps .
Using animated GIFs
You can import an animated GIF into Director with File > Import, similar to how you import any other bitmap cast
member. The only difference is that when the Select Format dialog box appears, you select Animated GIF.
Director supports both the GIF89a and GIF87 formats. GIFs must have a global color table to be imported. You can
import an animated GIF within a movie file or link to an external file. You also have the choice of importing the first
frame of an animated GIF as a still image. As with an ordinary bitmap, you place an animated GIF in the Score in a
sprite channel and extend it through all the frames in which you want it to appear. An animated GIF can play at the
same frame rate as the Director movie, at a different rate that you specify, or at its original rate.
Director does not support the following inks for animated GIFs: Background Transparent, Reverse, Not Reverse,
Darkest, Lightest, Add, Add Pin, Subtract, and Subtract Pin.