Raster graphics are made up of pixels with a fixed resolution, so quality is lost when scaled up. Vector graphics use paths and strokes that fill in when scaled to prevent quality loss. Common file formats include JPEG for photos, TIFF for printing, GIF for animations, and BMP for raw images. Vector formats include PSD for layers, AI for logos, FLA for animations, and WMF for clipart. Compression reduces file sizes but is lossy for bitmaps. Images can be captured with scanners, cameras, or graphics tablets. Files are optimized by reducing size, bit depth, or resolution to decrease storage usage and loading times.

1. Digital Graphics
File Formats
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2. Raster Graphics
Raster Graphics are digital images made up of bitmaps that are made up of pixels. Each one of
these pixels records the information for one section of the image. For example if there are 1
million pixels in an image there will be 1 million pieces of recorded information. Raster Graphics
have a fixed resolution which means when the image is scaled up it results in loss of quality in the
image.

3. Vector Graphics
Vector graphics are made up of paths and strokes. They work by having a start and end point that
creates a shape and when the image is scaled up vector graphics fill in the gap to prevent image
quality loss.

4. Raster Graphics

5. JPEG
Stands For Joint Photographic Experts Group
Used For/Example JPEGs are used for photographs mostly.
Advantage One advantage of using JPEG is that they
create smaller files by compressing the
image.
Another advantage is that a JPEG is
compatible across multiple platforms
Another advantage is that JPEGS take up
less storage space on your computer.
Another advantage is that a JPEG can
display millions of colours
Disadvantage One disadvantage of using JPEGs is that
when you save as a JPEG the file size is
reduced which will lead to loss of quality
of the image.

6. TIFF
Stands For Tagged Image File Format
Used For/Example TIFF files are mostly used when you are
using raster graphics . It is mostly used
when you are going to print something.
Advantage One advantage of using TIFF is that there is
no loss of quality when saving your work
Another advantage of using this format is
that it is compatible with most platforms
Disadvantage One disadvantage of using a TIFF files is
that it uses a large file size and takes up a
lot of storage.
A disadvantage of using TIFFs is that you
need to have a good computer in order to
access the file.
Another disadvantage is that not many
websites support TIFF.

7. GIF
Stands For Graphics Interchange Format
Used For/Example GIFs are used to show lots of frames to
show an animation.
Advantage An advantage of using a GIF is that they
are easy to upload online because they
have a small file size.
Another advantage of using a GIF is that
they support transparent background
which means that can be played over
something else.
Another advantage of using a GIF is that it
can show and provide more information
than a still image.
Disadvantage A disadvantage of using a GIF is that they
only support 256 colours so they look low
quality.
Another disadvantage of using a GIF is that

8. BMP
Stands For Bitmap Image File
Used For/Example BMPs are used for raw image raster files.
Advantage An advantage of using a BMP file is that it
is supported across most platforms
Another advantage of using a BMP file is
that there is no loss when the file is
compressed or saved multiple times.
Another advantage of using BMP is that
they produce high quality images.
Disadvantage An disadvantage of using a BMP is that it
uses a large file size that takes up a lot of
storage.
Another disadvantage of using BMP file is
that image quality is lost when making the
image bigger or smaller.

9. Vector Graphics

10. PSD
Stands For Photoshop Document
Used For/Example They are used to edit and manipulate
images. For example it is used to create
magazine covers.
Advantage A advantage of using PSD files is that that
they can save different layers so you can
go back to the file and edit it.
Another advantage of using PSD file is that
it keeps all the detail of the image and
does not suffer any image quality loss
Another advantage of using a PSD file is
that it supports transparency so you can
place image over it or in the background.
Disadvantage A disadvantage of PSD is that you need to
own the software to access the document
because it is only recognized by
Photoshop.

11. AI
Stands For Abdobe Illustrator Art
Used For/Example AI is used digitally and in print to create
logos and graphics mainly for company's.
AI is used to create vector images in print
and digitally. It is mainly used to create
company logos
Advantage An advantage of using AI is that is can be
scaled up without loss of quality because it
used vectors.
Another advantage of using AI files is that
they are compatible with other Abdobe
programs such as Photoshop so you can
transfer the files between each other.
Disadvantage A disadvantage of using AI is that you need
the correct software to view it.

12. FLA
Stands For Flash File
Used For/Example FLA files are used to create animations and
games.
Advantage A advantage of using a FLA file is that you
can make high quality files without the
large file size.
Another advantage of using a FLA file is
that you can fit a lot of information into an
animation as opposed to a image.
Another advantage of using FLA files is
that you can use sound and video
together.
Disadvantage A disadvantage of using FLA is that you
might not be able to view it if you have a
slow internet connection

13. WMF
Stands For Windows Metafile
Used For/Example WMF files are used for clipart.
WMF files are
Advantage A advantage of using a WMF is that the
vector images can be scaled with no loss
to the quality.
Another advantage of using WMF files is
that they have very small file sizes.
Another advantage of using WMF files is
that they can transfer between
applications.
Disadvantage A disadvantage of using WMF file is that
they can only be accessed on windows
computers.
Another disadvantage of using WMF files
is that they can pixilate because they have
bitmap components.

14. File Format Capture
and Optimising

15. Compression
Definition Compression is the reduction in size of
the file.
Advantage An advantage of using compression is that
you can make your files smaller. This
means you can easily send and open them
through the internet.
Another advantage of compression with
vector images is that it is has lossless
compression.
An advantage of using compression is that
it leads to faster file transfer.
Another advantage of compression is that
it takes up less storage.
Disadvantage A disadvantage of using compression is
that it is lossy with bitmap images.

16. Image Capture
Method Scanner
How is it used for image capture of
graphics
It digitises images, photos, drawings or
anything you can put in the scanner.
Method Camera
How is it used for image capture of
graphics
You can take a photograph
Method Graphics Tablet
How is it used for image capture of
graphics
You can draw what you want by using a
pen. This allows you to draw with more
precision than just using the pen.

17. Optimising
Why would you optimise? One reason I would optimise is to make
sure that the file can be easily loeaded
online.
Another reason I would optimise is
because it would take up less storage.
How can you optimise? One way I can optimise is by reducing the
image size.
You can also reduce the bit depth. This
means reducing the amount of colours
that are shown in a image.
Reducing resolution reduces the amount
of pixels in the picture.
You can also compress the image. This will
reduce the image quality though if it is a
bitmap image.
Advantage to optimising One advantage to optimising an image is
that it can be easily accessed online
Another advantage is that you can send

18. Storage

19. File Size
What could affect a Working Scale
(Photoshop) document file size?
a higher colour depth
High resolution
Reducing the image size
Compressing the file
Having less components
How could you reduce the file size of a
Working Scale document without
affecting quality?
Reduce the bit depth
If it is a vector image reduce the picture
size
Try and compress the image if it is a vector
What is an advantage of scaling up images
before exporting?
If the image was a vector there would be
no loss in quality
It would be easier to see
What is a disadvantage of scaling up
images before exporting?
If the image was a bitmap it would
decrease the image quality.
It would be harder to see

20. File Naming Conventions
What naming conventions could you use
when creating your video game assets?
• Character 1
• Character 2
• Background 1
• Environment 1
• Scenery 1
I would name my assets what they were
and add a number to them depending on
how many assets were the same.
Why is it a good idea to accurately name
your assets?
So everything is organized. This makes it
easier to change anything if you go back to
edit because you have named anything.
It speeds thing up when you are editing
your product because you don’t need to
click on loads of assets until you find the
one you want because they are labelled.

21. Asset Management
Why would you use folders when storing
your assets?
So that you know where all your assets
are. This is beneficial because when going
back to edit or change my assets I know
where to find them.
What folders would you create and what
would you save within them
Backgrounds – Sunny, cloudy
characters – Character 1, character 2
Text – Cover lines, Masthead