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original commit: 7f66ee63f53055d49ea0ebd3aad5e3aefeaa7e9f
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Matthew Flatt 1998-09-23 14:12:38 +00:00
parent 1f108cdc8b
commit 8dc8f33b79
1 changed files with 26 additions and 11 deletions
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37
notes/mred/MrEd_100.txt
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@ -152,13 +152,35 @@ highlights of the revision:
descriptive or more consistent with other method names.
* The device context system has been changed to provide a larger set
of methods that paint consistently on all platforms. Some drawing
modes eliminated, ... [still hashing out this part]
of methods that paint consistently on all platforms. Most drawing
modes (all except xor and copy) have been eliminated, but
non-rectangular clipping regions and region operations (e.g., union
and intersect) were added.
The blit method works directly on bitmaps.
The old canvas-dc% class is replced by pixel-dc<%>. The memory-dc%
class was renamed to bitmap-dc% (which implements pixel-dc<%>).
The blit method was replaced by draw-bitmap and draw-bitmap-region,
which operate directly on bitmaps. Monochrome bitmaps can be drawn
with either a transparent or solid background.
The xor drawing mode was moved from a setting in the device context
to a style for a pen or brush. Brush stipples work on all platforms
(with consistent opaqueness and colorization). Pen stipples, also
work, but are restricted to 8x8 monochrome bitmaps. The 'stipple
and 'opaque-stipple styles were eliminated; instead, installing a
stipple bitmap into a pen or brush overrides certain style
settings.
The arguments to draw-arc were changed; draw-arc now reliably draws
sections of non-circular ellipses.
The initialization arguments for post-script-dc% and printer-dc%
where changed. Global PostScript settings were replaced with a
parameter containing a ps-setup% object.
The canvas% class no longer supplies drawing methods. Instead,
get-dc to get a drawing context (which always has a more complete
get-dc to get a drawing context (which always had a more complete
set of methods, anyway).
* American spelling is used everywhere: colour -> color, centre
@ -960,9 +982,6 @@ window<%>'s set-cursor no longer returns the cursor; added get-cursor,
editor-snip%'s resize method no longer calls the embedded buffer's
set-max-size and set-min-size; now it calls on-display-size
{get-set}-{...} PS configuration bundled into an object, an instance of
ps-setup%; added current-ps-setup parameter.
media-buffer%'s do-edit changed to editor<%>'s do-edit-operation,
takes a symbol instead of a number
@ -992,10 +1011,6 @@ In editor<%>'s scroll-to, text%'s scroll-to-position and
snip-admin%'s scroll-to, bias changed from an integer to a symbol
(see the docs for details)
Change post-script-dc% and printer-dc% ininitialization arguments.
PostScript settings now kept as a ps-setup% object in the
current-ps-setup parameter.
Changed arguments and default value of fit-on-page? for print in
editor<%>