TweetFollow Us on Twitter

Dec 88 Letters
Volume Number:4
Issue Number:12
Column Tag:£etters

Happy Aniversary

By David E. Smith, Editor & Publisher, MacTutor

Prototyper™ vs FaceIt™ vs Programmer’s Extender™

George R. Cossey

Author of Prototyper™

First let me say that the goal of Prototyper™ is similar to the other two products, but the implementation is very different. The goal for all of us is to make designing and building a Macintosh program less painful.

Prototyper™ has a built-in visual editors and simulators for interactive graphical design of the user interface, while the other two products provide no direct visual interaction in the program design.

Prototyper™ generates source code that uses only Mac Toolbox and does not supply any private or additional libraries for linking to. The other two products supply libraries to link to and provide their own toolboxes to interface to. The other two products supply libraries to link to and provide their own toolboxes to interface to the Mac interface.

Programmer’s Extender™ and FaceIt™ both try to make the Mac interface less of a challenge by using custom designed libraries that combine the functionality of multiple toolbox calls along with some canned control code. My objection to that method, as a programmer, is that canned libraries work for only specific conditions and if my program requires something a little extra that is not in the canned library then I have to replace it with my own code that uses the Mac Toolbox anyway. Prototyper™ generates source code that uses only the Mac Toolbox, so any “tweaking” that I have to do to a routine is easily added.

I commend both Programmer’s Extender™ and FaceIt™ for developing their own interface libraries to make programming on the Mac easier. Programmer’s Extender™ is a fine product that shows the dedication and high level of expertise of the designers. FaceIt™ is a fairly recent newcomer and has potential to provide the same level of functionality that Programmer’s Extender™ does.

In summary, I developed Prototyper with two main goals in mind. The first was to make designing a program’s interface like painting a picture in MacDraw, with objects that could be resized and repositioned visually. The second was to provide source code that used only the standard Mac Toolbox and not any special libraries. Both objectives were realized with Prototyper™, and I feel it is in a different class than Programmer’s Extender™ and FaceIt™ which use special libraries of functions.

[I commend Mr. Cossey on his excellent product. I like designing my interface at a MacDraw-type level. I would say that this type of development tool is for programming like the Mac was for user interfaces. This is not to say that I do not like or use the other products when doing my own developing.

Prototyper is definitely not perfect. There are many things I would like added or changed. But this shows how much I like what Prototyper tries to do. I want to improve what it does, not just throw it out. I can see in the future that this will be the avenue of interface developing. The interactive feel of seeing your interface is very gratifying. Mr. Cossey, please keep improving Prototyper. I feel you have a product with lots of potential. -Kirk Chase, Assistant Editor, MacTutor]

Word 3.01 Word Wrap

Steve Seaquist

Temple Hills, MD

After much more sleuthing, I’ve determined that font widths on the screen do not vary according to what printer is Chooser’d. The reason why word wrap and tab stops vary between ImageWriters and LaserWriters is Word’s variation of how it measures an inch:

• Chooser an ImageWriter, then Show Ruler, then get out a real-world ruler (a tape measure, for example) and hold it up to the screen. The inches that Word shows are notably longer than real-world inches.

• Now start a print job using Tall Adjusted. Afterwards, the word wrap point will change. Then do a Page Preview. Afterwards the on-screen ruler’s measurements will also change, and the new ruler’s inches will be a lot closer to (a tiny bit shorter than) real-world inches. (The requirement of doing Page Preview to change the ruler is probably a bug. It should change automatically to reflect current word wrap and tab stops.)

• I believe Word is using THPrint()^^.prInfo.iHRes to determine the number of pixels per inch in the on-screen ruler will accurately reflect the number of inches when the document is printed. This is the old aspect ratio problem.

• Dots on the screen are square 74dpi x 74dpi.

• Dots on IW, Tall are rectangles 72dpi x 80dpi.

• Dots on IW, tall adj. are square 72dpi x 72dpi.

To answer my previous questions:

(1) There is indeed a good reason to change word wrap and tab stops when changing between IWs and LWs. The difference in aspect ratio would yield a different number of characters that could fit comfortably on a line. Because only the center or end point(s) positions of lines are guaranteed, the LW driver’s QD-to-PS bottlenecks would generate lines longer than anticipated (left, right, or centered justified) or too compressed (fully justified). So the passage at the beginning of Tech Note 72 (about printing to LWs the same way as you would to IWs) is misleading.

(2) Contrary to my earlier suspicions, Word wasn’t playing any tricks to change screen font widths. In actuality, printer resolution changes printout font widths, and Word simply adjusts its screen display accordingly.

(3) The trick to getting IW rough drafts of Word documents that are intended to be LW’d is to use Tall Adjusted. I haven’t seen any mismatches yet, and I don’t anticipate seeing any, because Word seems to use the same 72 dpi ruler in either case. Too bad Microsoft’s hotline people didn’t know this. It would’ve save some people a lot of sleuthing.

I’m tempted to use Tall Adjusted and LW fonts in all Word documents, so that the decision of whether to LW the doc can be postponed. Unfortunately, Tall Adjusted seems to slightly improve, but not eliminate, the problem where Best mode printing jams together words that are in LW fonts. This makes Best mode Worst and eliminates the qualitative middle ground between Faster and LW (a middle ground that still exists if the doc is in an IW font). My only guess as to what causes that problem is the facts that FScaleDisable implies FractEnable (Tech Note 92, page 2) and Best mode printing is scaled down from the double-size font if available.

[You would think that a big software corporation such as Microsoft wouldn’t have such problems. I love Excel, and I tolerate Word. David uses WriteNow; there are a lot of advantages to this product. It can handle lots of pages without slowing down; it can control leading, but for some of the editing work which I do, WriteNow’s quirks just make me shake my head and say it is not much better than MacWrite. I was hoping FullWrite may answer my dreams, but I don’t have the megs or the speed to give me what I need. I’m looking into WordPerfect now for my editing needs. I know it won’t be perfect either, but it has some promise. -ed]

More DB and C

Michael D. Sammer

Bartlesville, OK

Please let me compliment you on the fine journal, MacTutor. I enjoy reading it thoroughly, and it is very helpful. I program strictly in C, therefore, I would appreciate it if we could see more articles on C. This would be extremely helpful to me. Specifically, some articles on database management, hashing tables, and details regarding definitions of records in a file would be very helpful. Techniques for manipulating data back and forth from the disk to a data structure, efficient ways to mark the end of a record in a database would be helpful. I am also interested in a scheme for searching the database in regard to a group of different index parameters, ie, a list of all programmer’s who use a Macintosh, the C language, and are between the ages of 30 and 40. Efficient code for this type of a problem would be extremely educational.

Thank you very much for your assistance. Please continue the fine work which you and your staff have delivered.

[Yes, we have been laxed a little in the variety of languages covered in our journal. We have changed our article selection system to something that is hopefully more improved. But I get requests for more Fortran, more Lisp, more Assembly, as well as less on others. Any programmer worth his salt should be able to get information out of any language an application is written in even if it is not his preferred language (Jörg Langowski frequently has something very interesting in his column for me even though reading that Forth code is “reading hard”). I would also like to see more DB columns as well as WP, PS, and DTP. But unfortunately most of the articles I have on hand don’t fit into those categories. All those who have been thinking of writing up some articles with this much meat, get a typing!. -ed]

MyTENew Suggestion

Moshe Foger

Tel Aviv, Israel

I would like to comment about calling ROM directly through pointers published in the last September issue (Mousehole Report, p. 18). In my opinion the code would not work for the following reason:

When Lightspeed calls the MyTENew, it adheres directly to Pascal stack conventions (leaving room for TEHandle and pushing pointers to the two rectangles) and jumps to MyTENew leaving the return address on the stack. However in MyTENew, the compiler automatically inserts “Link A6, #0” which creates a new activation stack needed to access the function’s parameters. The link instruction saves the previous contents of A6 on the stack. The JSR instruction also leaves a return address on the stack; thus when the ROM is activated, it treats the saved A6 and the original return address as the required rectangle pointers and puts the handle in the pointer to ViewRect

To correct it, I would suggest the following in MyTENew:

TEHandle MyTENew(Dest, View)
Rect *Dest, *View;
{
asm{
 UNLK A6;Balance for Link from compilr
 MOVE (A7)+,A3 ;POP return addr. to safe reg.
 JSR  TENew ;Jump to ROM
 JUMP (A3); Return
 }
}

Animated Cursors

David Stoops

Philadelphia, PA

I am an engineering undergraduate at Drexel University, a school considerably devoted to Apple’s University Consortium. I am writing in response to the heated discussion of animated cursors in the March and May ’88 issues. In a rare moment of inspiration, I realized that animating the watch is a chore ideally suited for implementation as a VBLTask. Referring back to the June ’86 MacTutor, which contains an article on screen switching animation using the Vertical Retrace Manager, I wrote the enclosed snipets of Lightspeed Pascal code that seems to do the job.

The routines make use of the ‘acur’ resource, which should be copied along with the necessary ‘CURS’ resources from the Finder into the project resource file. To use these routines, first call InitWatch to get handles to the cursors, then call StartWatch to display the animated watch while your program goes on about its business. A final call to StopWatch removes the task from the vertical retrace queue to halt animation. I find this scheme does a better job of animating the watch than that emploed by the Finder (notice how poorly the watch hands move during lengthy I/O operations under the Finder). Hope this proves useful.

unit WatchGlobals

interface

type
 acur = record
 whichWatch : longint;
 Watch : array[1..8] of CursHandle;
 end;
 acurPtr = ^acur;
 acurHandle = ^acurPtr;

var
 currentWatch : integer;
 WatchList : acurHandle;
 VBL : VBLTask;

implementation

end.


unti WatchUtlities;

interface

uses
 WatchGlobals;

procedure InitWatch;
procedure StartWatch;
procedure StopWatch;

implementation

procedure InitWatch; {Get the watch CursHandles}
 var
 watchcount : integer;
begin
 WatchList := acurHandle(GetResource(‘acur’,0)); 
 {Will crash if ‘acur’ isn’t available’}
 with WatchList^^ do
 begin
 for watchcount := 1 to 8 do
 GetCursor(HiWord(longint(Watch[watchcount])));
 whichWatch := 0;
 end;
end;

procedure AnimateWatch; {Our VBL routine}
begin
 SetUpA5;
 with WatchList^^ do
 begin
 if whichWatch >= 8 then
 whichWatch := 1
 else
 whichWatch := whichWatch + 1;
 SetCursor(Watch[whichWatch]^^);
 end;
 VBL.vblCount :=10;
 RestoreA5;
end;

procedure StartWatch;
 {Install our task in the vertical retrace queue}
var
 err : OSErr;
begin
 with VBL do
 begin
 qType := Integer(vType);
 vblAddr := @AnimateWatch;
 vblCount := 10; {Update watch every 10 ticks}
 vblPhase := 0;
 err := VInstall(@VBL);
 end;
end;

procedure StopWatch;
{remove our task from the vertical retrace queue}
var
 err : OSErr;
begin
 err := VRemove(@VBL);
end;

end.
 
AAPL
$111.10
Apple Inc.
+1.69
MSFT
$46.59
Microsoft Corpora
+0.85
GOOG
$511.22
Google Inc.
+6.33

MacTech Search:
Community Search:

Software Updates via MacUpdate

BBEdit 11.0.2 - Powerful text and HTML e...
BBEdit is the leading professional HTML and text editor for the Mac. Specifically crafted in response to the needs of Web authors and software developers, this award-winning product provides a... Read more
ExpanDrive 4.2.1 - Access cloud storage...
ExpanDrive builds cloud storage in every application, acts just like a USB drive plugged into your Mac. With ExpanDrive, you can securely access any remote file server directly from the Finder or... Read more
Adobe After Effects CC 2014 13.2 - Creat...
After Effects CC 2014 is available as part of Adobe Creative Cloud for as little as $19.99/month (or $9.99/month if you're a previous After Effects customer). After Effects CS6 is still available... Read more
Command-C 1.1.7 - Clipboard sharing tool...
Command-C is a revolutionary app which makes easy to share your clipboard between iOS and OS X using your local WiFi network, even if the app is not currently opened. Copy anything (text, pictures,... Read more
Tidy Up 4.0.2 - Find duplicate files and...
Tidy Up is a complete duplicate finder and disk-tidiness utility. With Tidy Up you can search for duplicate files and packages by the owner application, content, type, creator, extension, time... Read more
Typinator 6.3 - Speedy and reliable text...
Typinator turbo-charges your typing productivity. Type a little. Typinator does the rest. We've all faced projects that require repetitive typing tasks. With Typinator, you can store commonly used... Read more
GraphicConverter 9.5 - Graphics editor w...
GraphicConverter is an all-purpose image-editing program that can import 200 different graphic-based formats, edit the image, and export it to any of 80 available file formats. The high-end editing... Read more
Toast Titanium 12.0.1 - The ultimate med...
Toast Titanium goes way beyond the very basic burning in the Mac OS and iLife software, and sets the standard for burning CDs, DVDs, and now Blu-ray discs on the Mac. Create superior sounding audio... Read more
QuickBooks 2015 16.0.2.1422 R3 - Financi...
Save 20% on QuickBooks Pro for Mac today through this special discount link QuickBooks Pro 2013 helps you manage your business easily and efficiently. Organize your finances all in one place, track... Read more
Remotix 3.0.6 - Access all your computer...
Remotix is a fast and powerful application to easily access multiple Macs (and PCs) from your own Mac. Features: Complete Apple Screen Sharing support - including Mac OS X login, clipboard... Read more

Latest Forum Discussions

See All

The Snow is Falling on the French Countr...
The Snow is Falling on the French Countryside of Carcassonne’s Newest Update Posted by Jessica Fisher on December 18th, 2014 [ permalink ] < | Read more »
Creatures Such As We Review
Creatures Such As We Review By Jennifer Allen on December 18th, 2014 Our Rating: :: INTERESTING DISCUSSIONSUniversal App - Designed for iPhone and iPad Taking a more sedate approach to interactive fiction, Creatures Such As We... | Read more »
Give It Up! (Games)
Give It Up! 1.0 Device: iOS Universal Category: Games Price: $.99, Version: 1.0 (iTunes) Description: GIVE IT UP is a rather hard game where you have to assist this cheerful, singing Blob in jumping through 9 different tracks.So far... | Read more »
The Drive : Devil's Run (Games)
The Drive : Devil's Run 1.0 Device: iOS Universal Category: Games Price: $.99, Version: 1.0 (iTunes) Description: ON THE ROAD AGAIN! The Drive - Devil’s Run is classic point to point style racing game that pays homage to the classics... | Read more »
Procreate Pocket (Entertainment)
Procreate Pocket 1.01 Device: iOS iPhone Category: Entertainment Price: $2.99, Version: 1.01 (iTunes) Description: Create - anytime, anywhere. Made by the developers of the award-winning Procreate® for iPad®, Procreate Pocket™ allows... | Read more »
IRON FINGER - Mini Games Championship (...
IRON FINGER - Mini Games Championship 1.0 Device: iOS Universal Category: Games Price: $1.99, Version: 1.0 (iTunes) Description: Quick to play, easy to learn yet hard to master.. TAP, SWIPE & TILT your way through mini games that... | Read more »
Pentaction: Medieval (Games)
Pentaction: Medieval 1.0 Device: iOS Universal Category: Games Price: $1.99, Version: 1.0 (iTunes) Description: Pentaction: Medieval is a turn-based strategy board-game about chance and skill on the battlefield. Take control of your... | Read more »
Hipstify Review
Hipstify Review By Jennifer Allen on December 17th, 2014 Our Rating: :: COOL FILTERSUniversal App - Designed for iPhone and iPad Add filters, quotes, and fancy frames to your images, thanks to Hipstify.   | Read more »
Mighty Smighties Gets Evolve Cards and N...
Mighty Smighties Gets Evolve Cards and New Worlds Posted by Jessica Fisher on December 17th, 2014 [ permalink ] Universal App - Designed for iPhone and iPad | Read more »
Duckie Deck Card Wars Review
Duckie Deck Card Wars Review By Amy Solomon on December 17th, 2014 Our Rating: :: STYLISH GAME OF CARDSUniversal App - Designed for iPhone and iPad Duckie Deck Card Wars adapts the classic card game War for use on devices, complete... | Read more »

Price Scanner via MacPrices.net

KMI MIDI K-Board Great Gift for Amateur &...
The K-Board is a MIDI Nano keyboard for music creation for iPad, Android, And computers; the easiest way to make music with iPads & Android tablets, and Mac, Windows, or Linux computers. Ultra-... Read more
Amazon offers 15-inch 2.2GHz Retina MacBook P...
 Amazon.com has the 15″ 2.2GHz Retina MacBook Pro on sale for $1699 including free shipping. Their price is $300 off MSRP. Stock is limited, so act now if you’re interested. Read more
Holiday sales continue: MacBook Pros for up t...
 B&H Photo has new MacBook Pros on sale for up to $300 off MSRP as part of their Holiday pricing. Shipping is free, and B&H charges NY sales tax only: - 15″ 2.2GHz Retina MacBook Pro: $1699... Read more
Google Search App For iOS Gets A Major Makeov...
Google has given iOS users an early Christmas present with a substantial update of it’s not-very-often-upgraded Google Search app. Google Search has been my go-to tool for Web searches since it was... Read more
ShopKeep Apple Pay And Chip Card Reader Avail...
ShopKeep, a cloud-based technology provider to more than 10,000 small business owners to manage retail shops and restaurants with iPads, has released its new Apple Pay and chip card reader. This... Read more
Holiday sale! 27-inch 5K iMac for $2299, save...
 B&H Photo has the 27″ 3.5GHz 5K iMac in stock today and on sale for $2299 including free shipping plus NY sales tax only. Their price is $200 off MSRP, and it’s the lowest price available for... Read more
Holiday Sale! 3.7GHz Quad Core Mac Pro availa...
 B&H Photo has the 3.7GHz Quad Core Mac Pro on sale for $2599 including free shipping plus NY sales tax only. Their price is $400 off MSRP, and it’s the lowest price for this model from any... Read more
iPhone 6 Number 3 Canadian Google Search Of 2...
CTVNews.ca reports that Apple’s iPhone 6 was the third highest-trending Google Canada search topic of 2014, exceeded only by Robin Williams largely after his death by suicide in August, and the FIFA... Read more
New iPad mini 3 Counter-Top & Wall Mount...
newMacgadgets has announced new secure all-acrylic displays for the iPad mini 3 (also works fine with the mini 2, last year’s iPad mini With Retina Display, and the original iPad mini). The new iPad... Read more
Holiday sales continue, MacBook Airs for up t...
B&H Photo has 2014 MacBook Airs on sale for up to $120 off MSRP, for a limited time, for the Thanksgiving/Christmas Holiday shopping season. Shipping is free, and B&H charges NY sales tax... Read more

Jobs Board

*Apple* Retail - Multiple Positions (US) - A...
Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, you're also the Read more
*Apple* Retail - Multiple Positions (US) - A...
Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, you're also the Read more
*Apple* Retail - Multiple Positions (US) - A...
Job Description: Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, Read more
*Apple* Retail - Multiple Positions (US) - A...
Sales Specialist - Retail Customer Service and Sales Transform Apple Store visitors into loyal Apple customers. When customers enter the store, you're also the Read more
Project Manager / Business Analyst, WW *Appl...
…a senior project manager / business analyst to work within our Worldwide Apple Fulfillment Operations and the Business Process Re-engineering team. This role will work Read more
All contents are Copyright 1984-2011 by Xplain Corporation. All rights reserved. Theme designed by Icreon.