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DESKTOP PUBLISHING PowerPoint PPT Presentation


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Madeleine Wright. and Peter Wentworth. DESKTOP PUBLISHING. Text Box Linking. Text Box Linking. You can link only empty text boxes If you unlink text boxes, text that previously flowed into another box will disappear if there is no room for it in the first box If you link text boxes on

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Madeleine wright

Madeleine Wright

and Peter Wentworth

DESKTOP PUBLISHING


Text box linking

Text Box Linking


Text box linking1

Text Box Linking

  • You can link only empty text boxes

  • If you unlink text boxes, text that previously flowed into another box will disappear if there is no room for it in the first box

  • If you link text boxes on

    different pages, you need

    to supply some visual hint

    that they are connected


Raster images again

Raster images again

  • Raster images are bitmap images (pixels in a grid) that cannot scale without loss of quality


The alternative to raster images is vector images

The alternative to raster images is vector images

  • Raster images are composed of connected dots and vectors are images composed of connected lines

  • A vector image is a description of what lines need to be to be drawn. These can be straight, curved, filled, etc.

  • The drawing engine can draw these to any scale, and the image still looks smooth.

  • Suited to clip-art, cartoons, and some fonts.


Desktop publishing

Let’s zoom this vector image, and see what happens...


Raster and vector fonts

Raster and Vector fonts

  • Raster fonts – the glyph (shape for each character) is stored as a bitmap (grid of pixels) at each different resolution or size. This is the oldest technology.

    • Because a computer screen is made from pixels, if you exactly match screen and font resolution, they look great.

    • But they don’t scale easily to other sizes.

  • Vector fonts – the glyph outline is drawn from a sequence of straight lines, and then the inside is filled.

    • It is slower to render (draw) because the drawing software has to compute which pixels to light up.

    • But it scales reasonably to different sizes, with the same straight-line effect as we saw when scaling the image on the previous slide.


Truetype fonts

TrueType Fonts

  • TrueType was invented by Apple, licensed and further developed by Microsoft.

    • The glyph is described by a series of lines and curves, making it better for rounded shapes,

    • It has additional hints to make further small tweaks as the glyph is reduced in size, to look good both on paper and on screen at low resolution.

    • Most popular technology at present.

TrueType icon


Opentype fonts

OpenType Fonts

  • OpenType is a TrueType successor

    • Done by Microsoft and Adobe.

    • Also a vector font, with improved way to describe hints, extra tags, and features.

    • End user can add special local features to font (need for some Japanese typesetting).

    • Fully zoomable (one of new features in Windows 7 interface).


What is anti aliasing

What is anti-aliasing?

  • Used in most kinds of fonts and line drawing to pixel screens.

  • Fill in shades of grey to make the edges of a pixelated image appear smoother, even if the resolution is low.


Cleartype improves on anti aliasing on lcd screens

ClearType improves on anti-aliasing on LCD screens ...

  • Microsoft proprietary technology

  • Each pixel in an LCD screen (e.g. a laptop or flat screen) has three different “sub-pixel“ colour parts.

  • By individually setting the three colours of the pixel to different brightnesses, we can fool the eye and make type appear even smoother.


Cleartype samples

ClearTypesamples

  • Microsoft employs graphic designers (some are world-renowned for their work) who hand-craft each glyph in each font.

  • Demonstration: TypeSamples.xps

Colours smudge the edges to make it look smoother

You may not be able to use or view ClearType fonts in our Windows XP labs.


What s the message

What’s the message?

  • Huge amount of technology and investment in making beautiful typesetting and typography that can be zoomed to different sizes – people really care!! You should care too.

  • Many fonts are proprietary – you have to buy them.

    • You’ll get a license to use Microsoft fonts with Windows.

    • There are Open Source (free) fonts too.

  • If you are going to have your document designed and printed professionally, you need to make sure that the printing shop has the fonts that you need!

  • TrueType is the current standard “best choice” and will work in most situations, on both screen and paper. When working in Word, try to use TrueType fonts in preference to older ones.

  • But the newer ClearType is even better on modern screens!


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