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Commit Graph

15 Commits

Author SHA1 Message Date
Andy McFadden
c47beffcee Add Export feature to visualization editor
It's nice to be able to save images from the visualization editor
for display elsewhere.  This can be done during HTML export, but
that's inconvenient when you just want one image, and doesn't allow
the output size to be specified.

This change adds an Export button to the Edit Visualization dialog.
The current bitmap, wireframe, or wireframe animation can be saved
to a GIF image.  A handful of sizes can be selected from a pop-up
menu.
2020-06-20 17:32:57 -07:00
Andy McFadden
100d2ffc13 Add NES visualization generator
Added a visualizer for the CHR ROM pattern tables, and a semi-useful
visualizer for tile grids.

Also added a few chars in an 8x8 font that visualizers can use to
label things.
2020-05-14 15:34:05 -07:00
Andy McFadden
b3dacc2613 Switch to left-handed coordinate system
There's no "standard" coordinate system, so the choice is arbitrary.
However, an examination of the Transporter mesh in Elite revealed
that the mesh was designed for a left-handed coordinate system.  We
can compensate for that trivially in the Elite visualizer, but we
might as well match what they're doing.  (The only change required
in the code is a couple of sign changes on the Z coordinate, and an
update to the rotation matrix.)

This also downsizes Matrix44 to Matrix33, exposes the rotation mode
enum, and adds a left-handed ZYX rotation mode.

This does mean that meshes that put the front at +Z will show their
backsides initially, since we're now oriented as if we're flying
the ships rather than facing them.  I considered adding a 180-degree
Y rotation (with a tweak to the rotation matrix handedness to correct
the first rotation axis) to have them facing by default, but figured
that might be confusing since +Z is supposed to be away.

Anybody who really wants it to be the other way can trivially flip
the coordinates in their visualizer (negate xc/zc).

The Z coordinates in the visualization test project were flipped so
that the design is still facing the viewer at rotation (0,0,0).
2020-03-14 13:59:08 -07:00
Andy McFadden
01d64f79b7 Relocate Matrix/Vector code to lib where plugins can use it
Also, tweak the perspective projection scaling to fill out the area
a bit more, and change the visualization editor to use the grid's
size when setting the path dimensions.

Also, note gimbal lock.
2020-03-10 17:20:54 -07:00
Andy McFadden
6da3e73e63 Document wireframe visualizations 2020-03-09 14:12:54 -07:00
Andy McFadden
07d477fc70 Improve Apple II hi-res visualizer
Added a new category "sprite sheet", which is essentially a more
generalized version of the bitmap font renderer.  It has the full
set of options for col/row/cell stride and colors.  (Issue #74,
issue #75)

Added a flag that flips the high bits on bitmaps.  Sometimes data
is stored with the high bit clear, but the high bit is set as it's
rendered.  (Issue #76)

Also, fixed the keyboard shortcuts in the Edit Visualization Set
window, which were 'N' for both "New ___" items.  (Issue #57)
2020-02-18 16:42:46 -08:00
Andy McFadden
5a88a805d0 Fix proportions for animated GIFs
As with still images, animations are rendered at original size and
then scaled with HTML properties.

Also, fixed the blurry scaling on animation thumbnails.  I couldn't
find a way to do nearest-neighbor scaling in the code-behind without
resorting to System.Drawing (WinForms), so I added an overlay image
to the various grids.
2019-12-25 10:28:40 -08:00
Andy McFadden
6913558f4a Add animated GIF generation to HTML export
Visualization animations are now exported as animated GIFs.  The
Windows stuff is a bit lame so I threw together some code that
stitches a bunch of GIFs together.

The GIF doesn't quite match the preview, because the preview scales
the individual frames, while the animated GIF uses the largest frame
as the size and is then scaled based on that.  Animating frames of
differing sizes together is bound to be trouble anyway, so I'm not
sure how much to fret over this.
2019-12-24 18:15:03 -08:00
Andy McFadden
8b20021c4d Show visualization bitmap dimensions
The preview window scales freely, so it's hard to know how big the
actual pixels are.
2019-12-11 22:12:20 -08:00
Andy McFadden
e82678126f Various minor tweaks
Added comments, renamed files, removed cruft.

Stop showing the visualization tag name in the code list.  It's
often redundant with the code label, and it's distracting.  (We may
want to make this an option so you can Ctrl+F to find a tag.)
2019-12-07 11:42:26 -08:00
Andy McFadden
ed66e129cd Add C64 sprite visualization generator
Handles high-resolution and multi-color sprites.  The visualization
can be doubled in height and/or width.

I created some test sprites with SpritePad.
2019-12-06 21:25:31 -08:00
Andy McFadden
3c541089a7 Tweak Atari 2600 visualizer
Changed "row duplication" to a straight "row thickness".  Feels more
intuitive.
2019-12-06 17:54:18 -08:00
Andy McFadden
5635a1e33a Add Atari 2600 sprite/playfield visualizer
First swing at a visualizer for Atari 2600 sprites and playfields.
Won't necessarily present an accurate view of what is displayed on
screen, but should provide a reasonable shape for data stored in
the obvious way.

The Adventure playfields looked squashed, so I added a simple row
duplication value.

Also, minor improvements to visualizers generally:
- Throw an exception, rather than an Assert, in VisBitmap8 when the
  arguments are bad.
- Show the exception in the Visualization Edit dialog.
- If generation fails and we don't have an error message, show a
  generic "stuff be broke" string.
- Set focus on OK button in Visualization Set Edit after editing,
  so you can hit Enter twice after renaming a tag.
2019-12-06 17:33:29 -08:00
Andy McFadden
1cdb31de32 Visualizer improvements
Various changes:
- Generally treat visualization sets like long comments and notes
  when it comes to defining data region boundaries.  (We were doing
  this for selections; now we're also doing it for format-as-word
  and in the data analyzer when scanning for strings/fill.)
- Clear the visualization cache when the address map is altered.
  This is necessary for visualizers that dereference addresses.
- Read the Apple II screen image from a series of addresses rather
  than a series of offsets.  This allows it to work when the image
  is contiguous in memory but split into chunks in the file.
- Put 1 pixel of padding around the images in the main code list,
  so they don't blend into the background.
- Remember the last visualizer used, so we can re-use it the next
  time the user selects "new".
- Move min-size hack from Loaded to ContentRendered, as it apparently
  spoils CenterOwner placement.
2019-12-06 15:05:49 -08:00
Andy McFadden
af4ec49c9b Document visualizations 2019-12-06 13:41:17 -08:00