|
0
|
1 |
"
|
|
|
2 |
COPYRIGHT (c) 1989-93 by Claus Gittinger
|
|
|
3 |
All Rights Reserved
|
|
|
4 |
|
|
|
5 |
This software is furnished under a license and may be used
|
|
|
6 |
only in accordance with the terms of that license and with the
|
|
|
7 |
inclusion of the above copyright notice. This software may not
|
|
|
8 |
be provided or otherwise made available to, or used by, any
|
|
|
9 |
other person. No title to or ownership of the software is
|
|
|
10 |
hereby transferred.
|
|
|
11 |
"
|
|
|
12 |
|
|
|
13 |
DeviceDrawable subclass:#Form
|
|
|
14 |
instanceVariableNames:'depth localColorMap offset data fileName'
|
|
|
15 |
classVariableNames:'VeryLightGreyForm LightGreyForm GreyForm
|
|
|
16 |
DarkGreyForm VeryDarkGreyForm
|
|
|
17 |
|
|
|
18 |
AdditionalBitmapDirectoryNames
|
|
|
19 |
BlackAndWhiteColorMap DitherPatterns
|
|
|
20 |
lobby'
|
|
|
21 |
poolDictionaries:''
|
|
|
22 |
category:'Graphics-Display Objects'
|
|
|
23 |
!
|
|
|
24 |
|
|
|
25 |
Form comment:'
|
|
|
26 |
|
|
|
27 |
COPYRIGHT (c) 1989-93 by Claus Gittinger
|
|
|
28 |
All Rights Reserved
|
|
|
29 |
|
|
|
30 |
%W% %E%
|
|
|
31 |
written spring/summer 89 by claus
|
|
|
32 |
'!
|
|
|
33 |
|
|
|
34 |
!Form class methodsFor:'initialization'!
|
|
|
35 |
|
|
|
36 |
initialize
|
|
|
37 |
"initialize set of dictionaries to look for bitmaps
|
|
|
38 |
and lobby to keep track of dead forms"
|
|
|
39 |
|
|
|
40 |
AdditionalBitmapDirectoryNames isNil ifTrue:[
|
|
|
41 |
super initialize.
|
|
|
42 |
|
|
|
43 |
AdditionalBitmapDirectoryNames := #('/usr/lib/X11/bitmaps').
|
|
|
44 |
|
|
|
45 |
lobby := Registry new.
|
|
|
46 |
|
|
|
47 |
"want to be informed when returning from snapshot"
|
|
|
48 |
ObjectMemory addDependent:self.
|
|
|
49 |
]
|
|
|
50 |
!
|
|
|
51 |
|
|
|
52 |
reinitializeAllOn:aDevice
|
|
|
53 |
"recreate all forms on aDevice; called by Workstation, to
|
|
|
54 |
have all background bitmaps at hand, when views are restored"
|
|
|
55 |
|
|
|
56 |
lobby contentsDo:[:aForm |
|
|
|
57 |
(aForm device == aDevice) ifTrue:[
|
|
|
58 |
"now, try to recreate it"
|
|
|
59 |
aForm recreate.
|
|
|
60 |
lobby changed:aForm
|
|
|
61 |
]
|
|
|
62 |
]
|
|
|
63 |
!
|
|
|
64 |
|
|
|
65 |
update:something
|
|
|
66 |
"sent just before snapOut and just after a snapIn"
|
|
|
67 |
|
|
|
68 |
(something == #save) ifTrue:[
|
|
|
69 |
"should get all bits from the device into saveable arrays"
|
|
|
70 |
].
|
|
|
71 |
(something == #restarted) ifTrue:[
|
|
|
72 |
"remove all left-over device info"
|
|
|
73 |
lobby contentsDo:[:aForm |
|
|
2
|
74 |
aForm restored.
|
|
|
75 |
lobby changed:self
|
|
0
|
76 |
]
|
|
|
77 |
]
|
|
|
78 |
! !
|
|
|
79 |
|
|
|
80 |
!Form methodsFor:'instance release'!
|
|
|
81 |
|
|
|
82 |
disposed
|
|
|
83 |
"some Form has been collected - tell it to the x-server"
|
|
|
84 |
|
|
|
85 |
drawableId notNil ifTrue:[
|
|
|
86 |
device destroyPixmap:drawableId.
|
|
|
87 |
gcId notNil ifTrue:[
|
|
|
88 |
device destroyGC:gcId
|
|
|
89 |
]
|
|
|
90 |
]
|
|
|
91 |
! !
|
|
|
92 |
|
|
|
93 |
!Form class methodsFor:'file search'!
|
|
|
94 |
|
|
|
95 |
findBitmapFile:fileName
|
|
|
96 |
"find the bitmap file in one of the standard places;
|
|
|
97 |
return the pathName or nil"
|
|
|
98 |
|
|
|
99 |
|aStream path|
|
|
|
100 |
|
|
|
101 |
((fileName at:1) == $/) ifTrue:[^ fileName].
|
|
|
102 |
(fileName startsWith:'../') ifTrue:[^ fileName].
|
|
|
103 |
(fileName startsWith:'./') ifTrue:[^ fileName].
|
|
|
104 |
|
|
|
105 |
aStream := Smalltalk systemFileStreamFor:('bitmaps/' , fileName).
|
|
|
106 |
aStream notNil ifTrue:[
|
|
|
107 |
path := aStream pathName.
|
|
|
108 |
aStream close.
|
|
|
109 |
^ path
|
|
|
110 |
].
|
|
|
111 |
AdditionalBitmapDirectoryNames notNil ifTrue:[
|
|
|
112 |
AdditionalBitmapDirectoryNames do:[:aPath |
|
|
|
113 |
path := aPath , '/' , fileName.
|
|
|
114 |
(OperatingSystem isReadable:path) ifTrue:[
|
|
|
115 |
^ path
|
|
|
116 |
]
|
|
|
117 |
]
|
|
|
118 |
].
|
|
|
119 |
^ nil
|
|
|
120 |
! !
|
|
|
121 |
|
|
|
122 |
!Form class methodsFor:'private instance creation'!
|
|
|
123 |
|
|
|
124 |
grey:percent on:aDevice
|
|
|
125 |
"return a form for dithering"
|
|
|
126 |
|
|
|
127 |
(percent < 20) ifTrue:[^ Color black on:aDevice].
|
|
|
128 |
(percent < 40) ifTrue:[^ self darkGreyFormOn:aDevice].
|
|
|
129 |
(percent < 60) ifTrue:[^ self mediumGreyFormOn:aDevice].
|
|
|
130 |
(percent < 80) ifTrue:[^ self lightGreyFormOn:aDevice].
|
|
|
131 |
^ Color white on:aDevice
|
|
|
132 |
!
|
|
|
133 |
|
|
|
134 |
mediumGreyFormOn:aDevice
|
|
|
135 |
"return a grey form"
|
|
|
136 |
|
|
|
137 |
(aDevice ~~ Display) ifTrue:[
|
|
|
138 |
^ self width:8 height:4 fromArray:(self greyFormBits) on:aDevice
|
|
|
139 |
].
|
|
|
140 |
GreyForm isNil ifTrue:[
|
|
|
141 |
GreyForm := self width:8 height:4
|
|
|
142 |
fromArray:(self greyFormBits) on:aDevice
|
|
|
143 |
].
|
|
|
144 |
^ GreyForm
|
|
|
145 |
!
|
|
|
146 |
|
|
|
147 |
veryLightGreyFormOn:aDevice
|
|
|
148 |
"return a veryLightGrey form"
|
|
|
149 |
|
|
|
150 |
(aDevice ~~ Display) ifTrue:[
|
|
|
151 |
^ self width:8 height:4 fromArray:(self veryLightGreyFormBits)
|
|
|
152 |
on:aDevice
|
|
|
153 |
].
|
|
|
154 |
VeryLightGreyForm isNil ifTrue:[
|
|
|
155 |
VeryLightGreyForm := self width:8 height:4
|
|
|
156 |
fromArray:(self veryLightGreyFormBits) on:aDevice
|
|
|
157 |
].
|
|
|
158 |
^ VeryLightGreyForm
|
|
|
159 |
!
|
|
|
160 |
|
|
|
161 |
lightGreyFormOn:aDevice
|
|
|
162 |
"return a lightGrey form"
|
|
|
163 |
|
|
|
164 |
(aDevice ~~ Display) ifTrue:[
|
|
|
165 |
^ self width:8 height:4 fromArray:(self lightGreyFormBits) on:aDevice
|
|
|
166 |
].
|
|
|
167 |
LightGreyForm isNil ifTrue:[
|
|
|
168 |
LightGreyForm := self width:8 height:4
|
|
|
169 |
fromArray:(self lightGreyFormBits) on:aDevice
|
|
|
170 |
].
|
|
|
171 |
^ LightGreyForm
|
|
|
172 |
!
|
|
|
173 |
|
|
|
174 |
darkGreyFormOn:aDevice
|
|
|
175 |
"return a darkGrey form"
|
|
|
176 |
|
|
|
177 |
(aDevice ~~ Display) ifTrue:[
|
|
|
178 |
^ self width:8 height:4 fromArray:(self darkGreyFormBits) on:aDevice
|
|
|
179 |
].
|
|
|
180 |
DarkGreyForm isNil ifTrue:[
|
|
|
181 |
DarkGreyForm := self width:8 height:4
|
|
|
182 |
fromArray:(self darkGreyFormBits) on:aDevice
|
|
|
183 |
].
|
|
|
184 |
^ DarkGreyForm
|
|
|
185 |
!
|
|
|
186 |
|
|
|
187 |
veryDarkGreyFormOn:aDevice
|
|
|
188 |
"return a veryDarkGrey form"
|
|
|
189 |
|
|
|
190 |
(aDevice ~~ Display) ifTrue:[
|
|
|
191 |
^ self width:8 height:4 fromArray:(self veryDarkGreyFormBits) on:aDevice
|
|
|
192 |
].
|
|
|
193 |
VeryDarkGreyForm isNil ifTrue:[
|
|
|
194 |
VeryDarkGreyForm := self width:8 height:4
|
|
|
195 |
fromArray:(self veryDarkGreyFormBits) on:aDevice
|
|
|
196 |
].
|
|
|
197 |
^ VeryDarkGreyForm
|
|
|
198 |
! !
|
|
|
199 |
|
|
|
200 |
!Form class methodsFor:'ST-80 compatibility'!
|
|
|
201 |
|
|
|
202 |
over
|
|
|
203 |
"return a constant usable as bitblt-combinationrule"
|
|
|
204 |
|
|
|
205 |
^ #copy
|
|
|
206 |
!
|
|
|
207 |
|
|
|
208 |
under
|
|
|
209 |
"return a constant usable as bitblt-combinationrule"
|
|
|
210 |
|
|
|
211 |
^ #or
|
|
|
212 |
!
|
|
|
213 |
|
|
|
214 |
reverse
|
|
|
215 |
"return a constant usable as bitblt-combinationrule"
|
|
|
216 |
|
|
|
217 |
^ #xor
|
|
|
218 |
! !
|
|
|
219 |
|
|
|
220 |
!Form class methodsFor:'instance creation'!
|
|
|
221 |
|
|
|
222 |
extent:ext
|
|
|
223 |
"create a new form, take dimensions from ext.
|
|
|
224 |
Smalltalk-80 compatibility"
|
|
|
225 |
|
|
|
226 |
|newForm|
|
|
|
227 |
|
|
|
228 |
newForm := self width:(ext x) height:(ext y).
|
|
|
229 |
newForm fill:(Color colorId:0).
|
|
|
230 |
newForm paint:(Color colorId:1).
|
|
|
231 |
^ newForm
|
|
|
232 |
!
|
|
|
233 |
|
|
|
234 |
extent:ext fromArray:data offset:offs
|
|
|
235 |
"create a new form, take dimensions from ext, bits from data.
|
|
|
236 |
Smalltalk-80 compatibility."
|
|
|
237 |
|
|
|
238 |
^ self width:(ext x) height:(ext y) offset:offs fromArray:data
|
|
|
239 |
!
|
|
|
240 |
|
|
|
241 |
width:w height:h on:aDevice
|
|
|
242 |
"create a new form on device, aDevice; depth is what device likes most"
|
|
|
243 |
|
|
|
244 |
^ (self on:aDevice) width:w height:h
|
|
|
245 |
!
|
|
|
246 |
|
|
|
247 |
width:w height:h depth:d on:aDevice
|
|
|
248 |
"create a new form with depth d on device, aDevice"
|
|
|
249 |
|
|
|
250 |
^ (self on:aDevice) width:w height:h depth:d
|
|
|
251 |
!
|
|
|
252 |
|
|
|
253 |
width:w height:h fromArray:anArray on:aDevice
|
|
|
254 |
"create a new form on device, aDevice and
|
|
|
255 |
initialize the pixels from anArray"
|
|
|
256 |
|
|
|
257 |
^ (self on:aDevice) width:w height:h fromArray:anArray
|
|
|
258 |
!
|
|
|
259 |
|
|
|
260 |
width:w height:h
|
|
|
261 |
"create a new form on the default device"
|
|
|
262 |
|
|
|
263 |
^ (self on:Display) width:w height:h
|
|
|
264 |
!
|
|
|
265 |
|
|
|
266 |
width:w height:h depth:d
|
|
|
267 |
"create a new form on the default device"
|
|
|
268 |
|
|
|
269 |
^ (self on:Display) width:w height:h depth:d
|
|
|
270 |
!
|
|
|
271 |
|
|
|
272 |
width:w height:h fromArray:anArray
|
|
|
273 |
"create a new form on the default device"
|
|
|
274 |
|
|
|
275 |
^ (self on:Display) width:w height:h fromArray:anArray
|
|
|
276 |
!
|
|
|
277 |
|
|
|
278 |
width:w height:h offset:offs fromArray:anArray
|
|
|
279 |
"create a new form on the default device"
|
|
|
280 |
|
|
|
281 |
^ (self on:Display) width:w height:h offset:offs fromArray:anArray
|
|
|
282 |
!
|
|
|
283 |
|
|
|
284 |
white
|
|
|
285 |
"ST80 compatibility;
|
|
|
286 |
return a white form - this returns white color"
|
|
|
287 |
|
|
|
288 |
^ Color white
|
|
|
289 |
!
|
|
|
290 |
|
|
|
291 |
black
|
|
|
292 |
"ST80 compatibility;
|
|
|
293 |
return a black form - this return black color"
|
|
|
294 |
|
|
|
295 |
^ Color black
|
|
|
296 |
!
|
|
|
297 |
|
|
|
298 |
gray
|
|
|
299 |
"ST80 compatibility;
|
|
|
300 |
return a grey form - this returns grey color"
|
|
|
301 |
|
|
|
302 |
^ self grey
|
|
|
303 |
!
|
|
|
304 |
|
|
|
305 |
grey
|
|
|
306 |
"ST80 compatibility;
|
|
|
307 |
return a grey form - this returns grey color"
|
|
|
308 |
|
|
|
309 |
^ Color grey
|
|
|
310 |
!
|
|
|
311 |
|
|
|
312 |
lightGrey
|
|
|
313 |
"ST80 compatibility;
|
|
|
314 |
return a lightGrey form - this returns lightGrey color"
|
|
|
315 |
|
|
|
316 |
^ Color lightGrey
|
|
|
317 |
!
|
|
|
318 |
|
|
|
319 |
darkGrey
|
|
|
320 |
"ST80 compatibility;
|
|
|
321 |
return a darkGrey form - this returns darkGrey color"
|
|
|
322 |
|
|
|
323 |
^ Color darkGrey
|
|
|
324 |
!
|
|
|
325 |
|
|
|
326 |
darkGray
|
|
|
327 |
"ST80 compatibility;
|
|
|
328 |
return a darkGrey form - this returns darkGrey color"
|
|
|
329 |
|
|
|
330 |
^ Color darkGrey
|
|
|
331 |
! !
|
|
|
332 |
|
|
|
333 |
!Form class methodsFor:'patterns'!
|
|
|
334 |
|
|
|
335 |
ditherBitsForXin64:x
|
|
|
336 |
"return a dither pattern for x/64; x in 1..32"
|
|
|
337 |
|
|
|
338 |
|sel|
|
|
|
339 |
|
|
|
340 |
DitherPatterns isNil ifTrue:[
|
|
2
|
341 |
DitherPatterns := Array new:32.
|
|
|
342 |
1 to:32 do:[:i |
|
|
|
343 |
sel := ('dither' , i printString , 'in64') asSymbol.
|
|
|
344 |
DitherPatterns at:i put:(self perform:sel)
|
|
|
345 |
]
|
|
0
|
346 |
].
|
|
|
347 |
^ DitherPatterns at:x
|
|
|
348 |
!
|
|
|
349 |
|
|
|
350 |
dither1in64
|
|
|
351 |
"return a pattern for dithering"
|
|
|
352 |
|
|
2
|
353 |
^ #[2r10000000
|
|
0
|
354 |
2r00000000
|
|
|
355 |
2r00000000
|
|
|
356 |
2r00000000
|
|
|
357 |
2r00000000
|
|
|
358 |
2r00000000
|
|
|
359 |
2r00000000
|
|
2
|
360 |
2r00000000]
|
|
0
|
361 |
!
|
|
|
362 |
|
|
|
363 |
dither2in64
|
|
|
364 |
"return a pattern for dithering"
|
|
|
365 |
|
|
2
|
366 |
^ #[2r10000000
|
|
0
|
367 |
2r00000000
|
|
|
368 |
2r00000000
|
|
|
369 |
2r00000000
|
|
|
370 |
2r00001000
|
|
|
371 |
2r00000000
|
|
|
372 |
2r00000000
|
|
2
|
373 |
2r00000000]
|
|
0
|
374 |
!
|
|
|
375 |
|
|
|
376 |
dither3in64
|
|
|
377 |
"return a pattern for dithering"
|
|
|
378 |
|
|
2
|
379 |
^ #[2r10000000
|
|
0
|
380 |
2r00000000
|
|
|
381 |
2r00000000
|
|
|
382 |
2r00000000
|
|
|
383 |
2r10001000
|
|
|
384 |
2r00000000
|
|
|
385 |
2r00000000
|
|
2
|
386 |
2r00000000]
|
|
0
|
387 |
!
|
|
|
388 |
|
|
|
389 |
dither4in64
|
|
|
390 |
"return a pattern for dithering"
|
|
|
391 |
|
|
2
|
392 |
^ #[2r10001000
|
|
0
|
393 |
2r00000000
|
|
|
394 |
2r00000000
|
|
|
395 |
2r00000000
|
|
|
396 |
2r10001000
|
|
|
397 |
2r00000000
|
|
|
398 |
2r00000000
|
|
2
|
399 |
2r00000000]
|
|
0
|
400 |
!
|
|
|
401 |
|
|
|
402 |
dither5in64
|
|
|
403 |
"return a pattern for dithering"
|
|
|
404 |
|
|
2
|
405 |
^ #[2r10001000
|
|
0
|
406 |
2r00000000
|
|
|
407 |
2r00000000
|
|
|
408 |
2r00000000
|
|
|
409 |
2r10001000
|
|
|
410 |
2r00000000
|
|
|
411 |
2r00000010
|
|
2
|
412 |
2r00000000]
|
|
0
|
413 |
!
|
|
|
414 |
|
|
|
415 |
dither6in64
|
|
|
416 |
"return a pattern for dithering"
|
|
|
417 |
|
|
2
|
418 |
^ #[2r10001000
|
|
0
|
419 |
2r00000000
|
|
|
420 |
2r00100000
|
|
|
421 |
2r00000000
|
|
|
422 |
2r10001000
|
|
|
423 |
2r00000000
|
|
|
424 |
2r00000010
|
|
2
|
425 |
2r00000000]
|
|
0
|
426 |
!
|
|
|
427 |
|
|
|
428 |
dither7in64
|
|
|
429 |
"return a pattern for dithering"
|
|
|
430 |
|
|
2
|
431 |
^ #[2r10001000
|
|
0
|
432 |
2r00000000
|
|
|
433 |
2r00100010
|
|
|
434 |
2r00000000
|
|
|
435 |
2r10001000
|
|
|
436 |
2r00000000
|
|
|
437 |
2r00000010
|
|
2
|
438 |
2r00000000]
|
|
0
|
439 |
!
|
|
|
440 |
|
|
|
441 |
dither8in64
|
|
|
442 |
"return a pattern for dithering"
|
|
|
443 |
|
|
2
|
444 |
^ #[2r10001000
|
|
0
|
445 |
2r00000000
|
|
|
446 |
2r00100010
|
|
|
447 |
2r00000000
|
|
|
448 |
2r10001000
|
|
|
449 |
2r00000000
|
|
|
450 |
2r00100010
|
|
2
|
451 |
2r00000000]
|
|
0
|
452 |
!
|
|
|
453 |
|
|
|
454 |
dither9in64
|
|
|
455 |
"return a pattern for dithering"
|
|
|
456 |
|
|
2
|
457 |
^ #[2r10001000
|
|
0
|
458 |
2r00000000
|
|
|
459 |
2r00100010
|
|
|
460 |
2r00000000
|
|
|
461 |
2r10001000
|
|
|
462 |
2r00000000
|
|
|
463 |
2r10100010
|
|
2
|
464 |
2r00000000]
|
|
0
|
465 |
!
|
|
|
466 |
|
|
|
467 |
dither10in64
|
|
|
468 |
"return a pattern for dithering"
|
|
|
469 |
|
|
2
|
470 |
^ #[2r10001000
|
|
0
|
471 |
2r00000000
|
|
|
472 |
2r00101010
|
|
|
473 |
2r00000000
|
|
|
474 |
2r10001000
|
|
|
475 |
2r00000000
|
|
|
476 |
2r10100010
|
|
2
|
477 |
2r00000000]
|
|
0
|
478 |
!
|
|
|
479 |
|
|
|
480 |
dither11in64
|
|
|
481 |
"return a pattern for dithering"
|
|
|
482 |
|
|
2
|
483 |
^ #[2r10001000
|
|
0
|
484 |
2r00000000
|
|
|
485 |
2r00101010
|
|
|
486 |
2r00000000
|
|
|
487 |
2r10001000
|
|
|
488 |
2r00000000
|
|
|
489 |
2r10101010
|
|
2
|
490 |
2r00000000]
|
|
0
|
491 |
!
|
|
|
492 |
|
|
|
493 |
dither12in64
|
|
|
494 |
"return a pattern for dithering"
|
|
|
495 |
|
|
2
|
496 |
^ #[2r10001000
|
|
0
|
497 |
2r00000000
|
|
|
498 |
2r10101010
|
|
|
499 |
2r00000000
|
|
|
500 |
2r10001000
|
|
|
501 |
2r00000000
|
|
|
502 |
2r10101010
|
|
2
|
503 |
2r00000000]
|
|
0
|
504 |
!
|
|
|
505 |
|
|
|
506 |
dither13in64
|
|
|
507 |
"return a pattern for dithering"
|
|
|
508 |
|
|
2
|
509 |
^ #[2r10001000
|
|
0
|
510 |
2r00000000
|
|
|
511 |
2r10101010
|
|
|
512 |
2r00000000
|
|
|
513 |
2r10101000
|
|
|
514 |
2r00000000
|
|
|
515 |
2r10101010
|
|
2
|
516 |
2r00000000]
|
|
0
|
517 |
!
|
|
|
518 |
|
|
|
519 |
dither14in64
|
|
|
520 |
"return a pattern for dithering"
|
|
|
521 |
|
|
2
|
522 |
^ #[2r10001010
|
|
0
|
523 |
2r00000000
|
|
|
524 |
2r10101010
|
|
|
525 |
2r00000000
|
|
|
526 |
2r10101000
|
|
|
527 |
2r00000000
|
|
|
528 |
2r10101010
|
|
2
|
529 |
2r00000000]
|
|
0
|
530 |
!
|
|
|
531 |
|
|
|
532 |
dither15in64
|
|
|
533 |
"return a pattern for dithering"
|
|
|
534 |
|
|
2
|
535 |
^ #[2r10001010
|
|
0
|
536 |
2r00000000
|
|
|
537 |
2r10101010
|
|
|
538 |
2r00000000
|
|
|
539 |
2r10101010
|
|
|
540 |
2r00000000
|
|
|
541 |
2r10101010
|
|
2
|
542 |
2r00000000]
|
|
0
|
543 |
!
|
|
|
544 |
|
|
|
545 |
dither16in64
|
|
|
546 |
"return a pattern for dithering"
|
|
|
547 |
|
|
2
|
548 |
^ #[2r10101010
|
|
0
|
549 |
2r00000000
|
|
|
550 |
2r10101010
|
|
|
551 |
2r00000000
|
|
|
552 |
2r10101010
|
|
|
553 |
2r00000000
|
|
|
554 |
2r10101010
|
|
2
|
555 |
2r00000000]
|
|
0
|
556 |
!
|
|
|
557 |
|
|
|
558 |
dither17in64
|
|
|
559 |
"return a pattern for dithering"
|
|
|
560 |
|
|
2
|
561 |
^ #[2r10101010
|
|
0
|
562 |
2r01000000
|
|
|
563 |
2r10101010
|
|
|
564 |
2r00000000
|
|
|
565 |
2r10101010
|
|
|
566 |
2r00000000
|
|
|
567 |
2r10101010
|
|
2
|
568 |
2r00000000]
|
|
0
|
569 |
!
|
|
|
570 |
|
|
|
571 |
dither18in64
|
|
|
572 |
"return a pattern for dithering"
|
|
|
573 |
|
|
2
|
574 |
^ #[2r10101010
|
|
0
|
575 |
2r01000000
|
|
|
576 |
2r10101010
|
|
|
577 |
2r00000000
|
|
|
578 |
2r10101010
|
|
|
579 |
2r00000100
|
|
|
580 |
2r10101010
|
|
2
|
581 |
2r00000000]
|
|
0
|
582 |
!
|
|
|
583 |
|
|
|
584 |
dither19in64
|
|
|
585 |
"return a pattern for dithering"
|
|
|
586 |
|
|
2
|
587 |
^ #[2r10101010
|
|
0
|
588 |
2r01000000
|
|
|
589 |
2r10101010
|
|
|
590 |
2r00000000
|
|
|
591 |
2r10101010
|
|
|
592 |
2r01000100
|
|
|
593 |
2r10101010
|
|
2
|
594 |
2r00000000]
|
|
0
|
595 |
!
|
|
|
596 |
|
|
|
597 |
dither20in64
|
|
|
598 |
"return a pattern for dithering"
|
|
|
599 |
|
|
2
|
600 |
^ #[2r10101010
|
|
0
|
601 |
2r01000100
|
|
|
602 |
2r10101010
|
|
|
603 |
2r00000000
|
|
|
604 |
2r10101010
|
|
|
605 |
2r01000100
|
|
|
606 |
2r10101010
|
|
2
|
607 |
2r00000000]
|
|
0
|
608 |
!
|
|
|
609 |
|
|
|
610 |
dither21in64
|
|
|
611 |
"return a pattern for dithering"
|
|
|
612 |
|
|
2
|
613 |
^ #[2r10101010
|
|
0
|
614 |
2r01000100
|
|
|
615 |
2r10101010
|
|
|
616 |
2r00000000
|
|
|
617 |
2r10101010
|
|
|
618 |
2r01000100
|
|
|
619 |
2r10101010
|
|
2
|
620 |
2r00000001]
|
|
0
|
621 |
!
|
|
|
622 |
|
|
|
623 |
dither22in64
|
|
|
624 |
"return a pattern for dithering"
|
|
|
625 |
|
|
2
|
626 |
^ #[2r10101010
|
|
0
|
627 |
2r01000100
|
|
|
628 |
2r10101010
|
|
|
629 |
2r00010000
|
|
|
630 |
2r10101010
|
|
|
631 |
2r01000100
|
|
|
632 |
2r10101010
|
|
2
|
633 |
2r00000001]
|
|
0
|
634 |
!
|
|
|
635 |
|
|
|
636 |
dither23in64
|
|
|
637 |
"return a pattern for dithering"
|
|
|
638 |
|
|
2
|
639 |
^ #[2r10101010
|
|
0
|
640 |
2r01000100
|
|
|
641 |
2r10101010
|
|
|
642 |
2r00010001
|
|
|
643 |
2r10101010
|
|
|
644 |
2r01000100
|
|
|
645 |
2r10101010
|
|
2
|
646 |
2r00000001]
|
|
0
|
647 |
!
|
|
|
648 |
|
|
|
649 |
dither24in64
|
|
|
650 |
"return a pattern for dithering"
|
|
|
651 |
|
|
2
|
652 |
^ #[2r10101010
|
|
0
|
653 |
2r01000100
|
|
|
654 |
2r10101010
|
|
|
655 |
2r00010001
|
|
|
656 |
2r10101010
|
|
|
657 |
2r01000100
|
|
|
658 |
2r10101010
|
|
2
|
659 |
2r00010001]
|
|
0
|
660 |
!
|
|
|
661 |
|
|
|
662 |
dither25in64
|
|
|
663 |
"return a pattern for dithering"
|
|
|
664 |
|
|
2
|
665 |
^ #[2r10101010
|
|
0
|
666 |
2r01000100
|
|
|
667 |
2r10101010
|
|
|
668 |
2r00010001
|
|
|
669 |
2r10101010
|
|
|
670 |
2r01000100
|
|
|
671 |
2r10101010
|
|
2
|
672 |
2r01010001]
|
|
0
|
673 |
!
|
|
|
674 |
|
|
|
675 |
dither26in64
|
|
|
676 |
"return a pattern for dithering"
|
|
|
677 |
|
|
2
|
678 |
^ #[2r10101010
|
|
0
|
679 |
2r01000100
|
|
|
680 |
2r10101010
|
|
|
681 |
2r00010101
|
|
|
682 |
2r10101010
|
|
|
683 |
2r01000100
|
|
|
684 |
2r10101010
|
|
2
|
685 |
2r01010001]
|
|
0
|
686 |
!
|
|
|
687 |
|
|
|
688 |
dither27in64
|
|
|
689 |
"return a pattern for dithering"
|
|
|
690 |
|
|
2
|
691 |
^ #[2r10101010
|
|
0
|
692 |
2r01000100
|
|
|
693 |
2r10101010
|
|
|
694 |
2r00010101
|
|
|
695 |
2r10101010
|
|
|
696 |
2r01000100
|
|
|
697 |
2r10101010
|
|
2
|
698 |
2r01010101]
|
|
0
|
699 |
!
|
|
|
700 |
|
|
|
701 |
dither28in64
|
|
|
702 |
"return a pattern for dithering"
|
|
|
703 |
|
|
2
|
704 |
^ #[2r10101010
|
|
0
|
705 |
2r01000100
|
|
|
706 |
2r10101010
|
|
|
707 |
2r01010101
|
|
|
708 |
2r10101010
|
|
|
709 |
2r01000100
|
|
|
710 |
2r10101010
|
|
2
|
711 |
2r01010101]
|
|
0
|
712 |
!
|
|
|
713 |
|
|
|
714 |
dither29in64
|
|
|
715 |
"return a pattern for dithering"
|
|
|
716 |
|
|
2
|
717 |
^ #[2r10101010
|
|
0
|
718 |
2r01000100
|
|
|
719 |
2r10101010
|
|
|
720 |
2r01010101
|
|
|
721 |
2r10101010
|
|
|
722 |
2r01010100
|
|
|
723 |
2r10101010
|
|
2
|
724 |
2r01010101]
|
|
0
|
725 |
!
|
|
|
726 |
|
|
|
727 |
dither30in64
|
|
|
728 |
"return a pattern for dithering"
|
|
|
729 |
|
|
2
|
730 |
^ #[2r10101010
|
|
0
|
731 |
2r01000101
|
|
|
732 |
2r10101010
|
|
|
733 |
2r01010101
|
|
|
734 |
2r10101010
|
|
|
735 |
2r01010100
|
|
|
736 |
2r10101010
|
|
2
|
737 |
2r01010101]
|
|
0
|
738 |
!
|
|
|
739 |
|
|
|
740 |
dither31in64
|
|
|
741 |
"return a pattern for dithering"
|
|
|
742 |
|
|
2
|
743 |
^ #[2r10101010
|
|
0
|
744 |
2r01000101
|
|
|
745 |
2r10101010
|
|
|
746 |
2r01010101
|
|
|
747 |
2r10101010
|
|
|
748 |
2r01010101
|
|
|
749 |
2r10101010
|
|
2
|
750 |
2r01010101]
|
|
0
|
751 |
!
|
|
|
752 |
|
|
|
753 |
dither32in64
|
|
|
754 |
"return a pattern for dithering"
|
|
|
755 |
|
|
2
|
756 |
^ #[2r10101010
|
|
0
|
757 |
2r01010101
|
|
|
758 |
2r10101010
|
|
|
759 |
2r01010101
|
|
|
760 |
2r10101010
|
|
|
761 |
2r01010101
|
|
|
762 |
2r10101010
|
|
2
|
763 |
2r01010101]
|
|
0
|
764 |
!
|
|
|
765 |
|
|
|
766 |
grey6Bits
|
|
|
767 |
"return a pattern with 6% grey, usable for dithering"
|
|
|
768 |
|
|
|
769 |
^ #(2r00000001
|
|
|
770 |
2r00000000
|
|
|
771 |
2r00010000
|
|
|
772 |
2r00000000)
|
|
|
773 |
!
|
|
|
774 |
|
|
|
775 |
grey12Bits
|
|
|
776 |
"return a pattern with 12% grey, usable for dithering"
|
|
|
777 |
|
|
|
778 |
^ #(2r00010001
|
|
|
779 |
2r00000000
|
|
|
780 |
2r01000100
|
|
|
781 |
2r00000000)
|
|
|
782 |
!
|
|
|
783 |
|
|
|
784 |
grey25Bits
|
|
|
785 |
"return a pattern with 25% grey, usable for dithering"
|
|
|
786 |
|
|
|
787 |
^ #(2r00010001
|
|
|
788 |
2r01000100
|
|
|
789 |
2r00010001
|
|
|
790 |
2r01000100)
|
|
|
791 |
!
|
|
|
792 |
|
|
|
793 |
grey37Bits
|
|
|
794 |
"return a pattern with 37% grey, usable for dithering"
|
|
|
795 |
|
|
|
796 |
^ #(2r00010001
|
|
|
797 |
2r10101010
|
|
|
798 |
2r01000100
|
|
|
799 |
2r10101010)
|
|
|
800 |
!
|
|
|
801 |
|
|
|
802 |
grey50Bits
|
|
|
803 |
"return a pattern with 50% grey, usable for dithering"
|
|
|
804 |
|
|
|
805 |
^ #(2r01010101
|
|
|
806 |
2r10101010
|
|
|
807 |
2r01010101
|
|
|
808 |
2r10101010)
|
|
|
809 |
!
|
|
|
810 |
|
|
|
811 |
veryLightGreyFormBits
|
|
|
812 |
"return a pattern usable to simulate veryDarkGray on monochrome device"
|
|
|
813 |
|
|
|
814 |
^ #(2r10001000
|
|
|
815 |
2r00000000
|
|
|
816 |
2r00100010
|
|
|
817 |
2r00000000)
|
|
|
818 |
!
|
|
|
819 |
|
|
|
820 |
lightGreyFormBits
|
|
|
821 |
"return a pattern usable to simulate lightGray on monochrome device"
|
|
|
822 |
|
|
|
823 |
^ #(2r01000100
|
|
|
824 |
2r00010001
|
|
|
825 |
2r01000100
|
|
|
826 |
2r00010001
|
|
|
827 |
2r01000100)
|
|
|
828 |
!
|
|
|
829 |
|
|
|
830 |
greyFormBits
|
|
|
831 |
"return a pattern usable to simulate gray on monochrome device"
|
|
|
832 |
|
|
|
833 |
^ #(2r01010101
|
|
|
834 |
2r10101010
|
|
|
835 |
2r01010101
|
|
|
836 |
2r10101010)
|
|
|
837 |
!
|
|
|
838 |
|
|
|
839 |
darkGreyFormBits
|
|
|
840 |
"return a pattern usable to simulate darkGray on monochrome device"
|
|
|
841 |
|
|
|
842 |
^ #(2r10111011
|
|
|
843 |
2r11101110
|
|
|
844 |
2r10111011
|
|
|
845 |
2r11101110)
|
|
|
846 |
!
|
|
|
847 |
|
|
|
848 |
veryDarkGreyFormBits
|
|
|
849 |
"return a pattern usable to simulate veryDarkGray on monochrome device"
|
|
|
850 |
|
|
|
851 |
^ #(2r01110111
|
|
|
852 |
2r11111111
|
|
|
853 |
2r11011101
|
|
|
854 |
2r11111111)
|
|
|
855 |
! !
|
|
|
856 |
|
|
|
857 |
!Form methodsFor:'initialization'!
|
|
|
858 |
|
|
|
859 |
initialize
|
|
|
860 |
super initialize.
|
|
|
861 |
depth := 1.
|
|
|
862 |
foreground := Color colorId:1.
|
|
|
863 |
background := Color colorId:0
|
|
|
864 |
!
|
|
|
865 |
|
|
|
866 |
initGC
|
|
|
867 |
"stop server from sending exposure events for Forms -
|
|
|
868 |
(will fill up stream-queue on some stupid (i.e. sco) systems"
|
|
|
869 |
|
|
|
870 |
super initGC.
|
|
|
871 |
lobby changed:self.
|
|
|
872 |
self setGraphicsExposures:false
|
|
|
873 |
!
|
|
|
874 |
|
|
|
875 |
recreate
|
|
|
876 |
"reconstruct the form after a snapin"
|
|
|
877 |
|
|
|
878 |
data notNil ifTrue:[
|
|
2
|
879 |
(depth == 1 or:[depth == device depth]) ifTrue:[
|
|
|
880 |
drawableId := device createBitmapFromArray:data width:width height:height.
|
|
|
881 |
^ self
|
|
|
882 |
].
|
|
|
883 |
data := nil.
|
|
0
|
884 |
].
|
|
|
885 |
fileName notNil ifTrue:[
|
|
|
886 |
drawableId := device createBitmapFromFile:fileName for:self.
|
|
|
887 |
^ self
|
|
|
888 |
].
|
|
|
889 |
'cannot recreate form' printNewline.
|
|
|
890 |
"create an empty one"
|
|
|
891 |
depth == 1 ifTrue:[
|
|
|
892 |
drawableId := device createBitmapWidth:width height:height
|
|
|
893 |
] ifFalse:[
|
|
2
|
894 |
drawableId := device createPixmapWidth:width height:height depth:device depth
|
|
|
895 |
]
|
|
|
896 |
! !
|
|
|
897 |
|
|
|
898 |
!Form methodsFor:'binary storage'!
|
|
|
899 |
|
|
|
900 |
readBinaryContentsFrom: stream manager: manager
|
|
|
901 |
"tell the newly restored Form about restoration"
|
|
|
902 |
|
|
|
903 |
super readBinaryContentsFrom: stream manager: manager.
|
|
|
904 |
self restored.
|
|
|
905 |
lobby register:self
|
|
|
906 |
! !
|
|
|
907 |
|
|
|
908 |
!Form methodsFor:'inspecting'!
|
|
|
909 |
|
|
|
910 |
inspect
|
|
|
911 |
"redefined to launch an ImageInspector on the receiver
|
|
|
912 |
(instead of the default InspectorView)."
|
|
|
913 |
|
|
|
914 |
ImageInspectorView isNil ifTrue:[
|
|
|
915 |
super inspect
|
|
|
916 |
] ifFalse:[
|
|
|
917 |
ImageInspectorView openOn:self
|
|
0
|
918 |
]
|
|
|
919 |
! !
|
|
|
920 |
|
|
|
921 |
!Form methodsFor:'getting a device form'!
|
|
|
922 |
|
|
|
923 |
on:aDevice
|
|
|
924 |
aDevice == device ifTrue:[
|
|
|
925 |
^ self
|
|
|
926 |
].
|
|
|
927 |
^ nil
|
|
|
928 |
!
|
|
|
929 |
|
|
|
930 |
asMonochromeFormOn:aDevice
|
|
|
931 |
aDevice == device ifTrue:[
|
|
|
932 |
depth == 1 ifTrue:[
|
|
|
933 |
^ self
|
|
|
934 |
].
|
|
|
935 |
].
|
|
|
936 |
^ nil
|
|
|
937 |
! !
|
|
|
938 |
|
|
|
939 |
!Form methodsFor:'private'!
|
|
|
940 |
|
|
2
|
941 |
restored
|
|
0
|
942 |
drawableId := nil.
|
|
|
943 |
gcId := nil.
|
|
|
944 |
!
|
|
|
945 |
|
|
|
946 |
width:w height:h
|
|
|
947 |
"actual create"
|
|
|
948 |
|
|
|
949 |
((w == 0) or:[h == 0]) ifTrue:[
|
|
|
950 |
self error:'invalid form extent'.
|
|
|
951 |
^ nil
|
|
|
952 |
].
|
|
|
953 |
width := w.
|
|
|
954 |
height := h.
|
|
|
955 |
offset := 0@0.
|
|
|
956 |
drawableId := device createBitmapWidth:w height:h.
|
|
|
957 |
drawableId isNil ifTrue:[^ nil].
|
|
|
958 |
BlackAndWhiteColorMap isNil ifTrue:[
|
|
|
959 |
BlackAndWhiteColorMap := Array with:(Color white) with:(Color black)
|
|
|
960 |
].
|
|
|
961 |
localColorMap := BlackAndWhiteColorMap.
|
|
|
962 |
realized := true.
|
|
|
963 |
lobby register:self
|
|
|
964 |
!
|
|
|
965 |
|
|
|
966 |
width:w height:h depth:d
|
|
|
967 |
"actual create"
|
|
|
968 |
|
|
|
969 |
width := w.
|
|
|
970 |
height := h.
|
|
|
971 |
offset := 0@0.
|
|
|
972 |
drawableId := device createPixmapWidth:w height:h depth:d.
|
|
|
973 |
drawableId isNil ifTrue:[^ nil].
|
|
|
974 |
realized := true.
|
|
|
975 |
depth := d.
|
|
|
976 |
lobby register:self
|
|
|
977 |
!
|
|
|
978 |
|
|
|
979 |
width:w height:h fromArray:anArray
|
|
|
980 |
"actual create from array.
|
|
|
981 |
This method is somewhat more complicated as it should be due to
|
|
|
982 |
supporting both byte-wise (ST/X-type) and short-word-wise (ST-80-type)
|
|
|
983 |
Arrays; in the later case, the shorts are first converted to bytes in
|
|
|
984 |
a ByteArray, then passed to the device."
|
|
|
985 |
|
|
|
986 |
|bytes bits srcPerRow dstPerRow srcStart srcIndex dstIndex tmp isST80|
|
|
|
987 |
|
|
|
988 |
bytes := anArray.
|
|
|
989 |
|
|
|
990 |
anArray size ~~ (((w + 7) // 8) * h) ifTrue:[
|
|
|
991 |
anArray size == (((w + 15) // 16) * h) ifTrue:[
|
|
|
992 |
"I want the bytes but got shorts (ST-80)"
|
|
2
|
993 |
bytes := ByteArray uninitializedNew:(((w + 7) // 8) * h).
|
|
0
|
994 |
srcPerRow := (w + 15) // 16.
|
|
|
995 |
dstPerRow := (w + 7) // 8.
|
|
|
996 |
srcStart := 1.
|
|
|
997 |
dstIndex := 1.
|
|
|
998 |
1 to:h do:[:hi |
|
|
|
999 |
srcIndex := srcStart.
|
|
|
1000 |
bits := anArray at:srcIndex.
|
|
|
1001 |
1 to:dstPerRow do:[:di |
|
|
|
1002 |
di odd ifTrue:[
|
|
|
1003 |
bits := anArray at:srcIndex.
|
|
|
1004 |
bytes at:dstIndex put:(bits bitShift:-8)
|
|
|
1005 |
] ifFalse:[
|
|
|
1006 |
bytes at:dstIndex put:(bits bitAnd:16rFF).
|
|
|
1007 |
srcIndex := srcIndex + 1
|
|
|
1008 |
].
|
|
|
1009 |
dstIndex := dstIndex + 1
|
|
|
1010 |
].
|
|
|
1011 |
srcStart := srcStart + srcPerRow
|
|
|
1012 |
]
|
|
|
1013 |
]
|
|
|
1014 |
].
|
|
|
1015 |
width := w.
|
|
|
1016 |
height := h.
|
|
|
1017 |
offset := 0@0.
|
|
|
1018 |
drawableId := device createBitmapFromArray:bytes width:w height:h.
|
|
|
1019 |
drawableId isNil ifTrue:[^ nil].
|
|
|
1020 |
|
|
|
1021 |
data := bytes.
|
|
|
1022 |
BlackAndWhiteColorMap isNil ifTrue:[
|
|
|
1023 |
BlackAndWhiteColorMap := Array with:(Color white) with:(Color black)
|
|
|
1024 |
].
|
|
|
1025 |
localColorMap := BlackAndWhiteColorMap.
|
|
|
1026 |
realized := true.
|
|
|
1027 |
lobby register:self
|
|
|
1028 |
!
|
|
|
1029 |
|
|
|
1030 |
width:w height:h offset:offs fromArray:anArray
|
|
|
1031 |
"actual create from array"
|
|
|
1032 |
|
|
|
1033 |
self width:w height:h fromArray:anArray.
|
|
|
1034 |
offset := offs
|
|
|
1035 |
!
|
|
|
1036 |
|
|
|
1037 |
readFromFile:filename
|
|
|
1038 |
"read in file"
|
|
|
1039 |
|
|
|
1040 |
|pathName|
|
|
|
1041 |
|
|
|
1042 |
pathName := self class findBitmapFile:filename.
|
|
|
1043 |
pathName notNil ifTrue:[
|
|
|
1044 |
drawableId := device createBitmapFromFile:pathName for:self.
|
|
|
1045 |
drawableId isNil ifTrue:[^ nil].
|
|
|
1046 |
|
|
|
1047 |
fileName := pathName.
|
|
|
1048 |
offset := 0@0.
|
|
|
1049 |
realized := true.
|
|
|
1050 |
BlackAndWhiteColorMap isNil ifTrue:[
|
|
|
1051 |
BlackAndWhiteColorMap := Array with:(Color white) with:(Color black)
|
|
|
1052 |
].
|
|
|
1053 |
localColorMap := BlackAndWhiteColorMap.
|
|
|
1054 |
lobby register:self.
|
|
|
1055 |
^ self
|
|
|
1056 |
].
|
|
|
1057 |
^ nil
|
|
|
1058 |
!
|
|
|
1059 |
|
|
|
1060 |
readFromFile:filename resolution:dpi
|
|
|
1061 |
"read in the file, which is assumed to have data for a dpi-resolution;
|
|
|
1062 |
if the resolution of the device differs, magnify the form"
|
|
|
1063 |
|
|
|
1064 |
|dpiH mag|
|
|
|
1065 |
|
|
|
1066 |
(self readFromFile:filename) isNil ifTrue:[^ nil].
|
|
|
1067 |
|
|
|
1068 |
"if the device is within +- 50% of dpi, no magnify is needed"
|
|
|
1069 |
dpiH := Display horizontalPixelPerInch.
|
|
|
1070 |
((dpi >= (dpiH * 0.75)) and:[dpi <= (dpiH * 1.5)]) ifTrue:[^ self].
|
|
|
1071 |
mag := (dpiH / dpi) rounded.
|
|
|
1072 |
mag == 0 ifTrue:[
|
|
|
1073 |
^ self
|
|
|
1074 |
].
|
|
|
1075 |
^ self magnifyBy:(mag @ mag)
|
|
|
1076 |
|
|
|
1077 |
"Form fromFile:'SBrowser.icn' resolution:50"
|
|
|
1078 |
! !
|
|
|
1079 |
|
|
|
1080 |
!Form methodsFor:'ST-80 compatibility'!
|
|
|
1081 |
|
|
|
1082 |
offset:org
|
|
|
1083 |
"set the offset.
|
|
|
1084 |
Smalltalk-80 compatibility"
|
|
|
1085 |
|
|
|
1086 |
offset := org
|
|
|
1087 |
!
|
|
|
1088 |
|
|
|
1089 |
offset
|
|
|
1090 |
"set the offset.
|
|
|
1091 |
Smalltalk-80 compatibility"
|
|
|
1092 |
|
|
|
1093 |
^ offset
|
|
|
1094 |
!
|
|
|
1095 |
|
|
|
1096 |
displayOn:aGC at:aPoint
|
|
|
1097 |
"draw in aGC.
|
|
|
1098 |
Smalltalk-80 compatibility"
|
|
|
1099 |
|
|
|
1100 |
aGC drawOpaqueForm:self x:aPoint x y:aPoint y
|
|
|
1101 |
! !
|
|
|
1102 |
|
|
|
1103 |
!Form methodsFor:'accessing'!
|
|
|
1104 |
|
|
|
1105 |
colorMap
|
|
|
1106 |
"return the forms colormap"
|
|
|
1107 |
|
|
|
1108 |
^ localColorMap
|
|
|
1109 |
!
|
|
|
1110 |
|
|
|
1111 |
colorMap:anArray
|
|
|
1112 |
"set the forms colormap"
|
|
|
1113 |
|
|
|
1114 |
localColorMap := anArray
|
|
|
1115 |
!
|
|
|
1116 |
|
|
|
1117 |
depth
|
|
|
1118 |
"return my depth"
|
|
|
1119 |
|
|
|
1120 |
^ depth
|
|
|
1121 |
!
|
|
|
1122 |
|
|
|
1123 |
bits
|
|
|
1124 |
"return a ByteArray filled with my bits -
|
|
|
1125 |
for depth 8 forms, 1 pixel/byte is filled;
|
|
2
|
1126 |
for depth 1 forms, 8 pixels/byte are filled
|
|
|
1127 |
for depth 4 forms, 2 pixels/byte are filled"
|
|
|
1128 |
|
|
|
1129 |
|pixelArray bytesPerRow bits
|
|
|
1130 |
byteIndex "{ Class: SmallInteger }"
|
|
|
1131 |
bitMask "{ Class: SmallInteger }"
|
|
|
1132 |
hEnd "{ Class: SmallInteger }"
|
|
|
1133 |
wEnd "{ Class: SmallInteger }"|
|
|
0
|
1134 |
|
|
2
|
1135 |
data notNil ifTrue:[
|
|
|
1136 |
^ data
|
|
|
1137 |
].
|
|
|
1138 |
drawableId isNil ifTrue:[
|
|
|
1139 |
fileName notNil ifTrue:[
|
|
|
1140 |
^ (self on:Display) bits
|
|
|
1141 |
].
|
|
|
1142 |
^ nil
|
|
|
1143 |
].
|
|
|
1144 |
|
|
|
1145 |
"this is a very slow operation - every pixel is fetched from
|
|
|
1146 |
the device.
|
|
|
1147 |
This MUST be replaced by code basied on getImage ....
|
|
|
1148 |
"
|
|
|
1149 |
|
|
0
|
1150 |
(depth == 8) ifTrue:[
|
|
|
1151 |
bytesPerRow := width
|
|
|
1152 |
] ifFalse:[
|
|
|
1153 |
bytesPerRow := (width + 7) // 8
|
|
|
1154 |
].
|
|
2
|
1155 |
pixelArray := ByteArray uninitializedNew:(bytesPerRow * height).
|
|
0
|
1156 |
byteIndex := 1.
|
|
2
|
1157 |
hEnd := height - 1.
|
|
|
1158 |
wEnd := width - 1.
|
|
|
1159 |
|
|
0
|
1160 |
(depth == 8) ifTrue:[
|
|
2
|
1161 |
0 to:hEnd do:[:row |
|
|
|
1162 |
0 to:wEnd do:[:col |
|
|
|
1163 |
pixelArray at:byteIndex put:(self at:col @ row).
|
|
0
|
1164 |
byteIndex := byteIndex + 1
|
|
|
1165 |
]
|
|
2
|
1166 |
].
|
|
|
1167 |
^ pixelArray
|
|
0
|
1168 |
] ifFalse:[
|
|
2
|
1169 |
0 to:hEnd do:[:row |
|
|
0
|
1170 |
bitMask := 2r10000000.
|
|
|
1171 |
bits := 0.
|
|
2
|
1172 |
0 to:wEnd do:[:col |
|
|
|
1173 |
((self at:col @ row) == 0) ifFalse:[
|
|
0
|
1174 |
bits := bits bitOr:bitMask
|
|
|
1175 |
].
|
|
|
1176 |
bitMask := bitMask bitShift:(1 negated).
|
|
|
1177 |
(bitMask == 0) ifTrue:[
|
|
|
1178 |
pixelArray at:byteIndex put:bits.
|
|
|
1179 |
bitMask := 2r10000000.
|
|
|
1180 |
bits := 0.
|
|
|
1181 |
byteIndex := byteIndex + 1
|
|
|
1182 |
]
|
|
|
1183 |
].
|
|
|
1184 |
(bitMask == 2r10000000) ifFalse:[
|
|
|
1185 |
pixelArray at:byteIndex put:bits.
|
|
|
1186 |
byteIndex := byteIndex + 1
|
|
|
1187 |
]
|
|
|
1188 |
]
|
|
|
1189 |
].
|
|
|
1190 |
^ pixelArray
|
|
|
1191 |
!
|
|
|
1192 |
|
|
|
1193 |
photometric
|
|
|
1194 |
"for compatibility with Image class ..."
|
|
|
1195 |
|
|
|
1196 |
depth == 1 ifTrue:[
|
|
|
1197 |
((localColorMap at:1) = Color white) ifTrue:[
|
|
|
1198 |
((localColorMap at:1) = Color black) ifTrue:[
|
|
|
1199 |
^ #whiteIs0
|
|
|
1200 |
].
|
|
|
1201 |
].
|
|
|
1202 |
((localColorMap at:1) = Color black) ifTrue:[
|
|
|
1203 |
((localColorMap at:1) = Color white) ifTrue:[
|
|
|
1204 |
^ #blackIs0
|
|
|
1205 |
].
|
|
|
1206 |
].
|
|
|
1207 |
].
|
|
|
1208 |
^ #palette
|
|
|
1209 |
!
|
|
|
1210 |
|
|
|
1211 |
samplesperPixel
|
|
|
1212 |
^ 1
|
|
|
1213 |
!
|
|
|
1214 |
|
|
|
1215 |
bitsPerSample
|
|
|
1216 |
^ Array with:depth
|
|
|
1217 |
! !
|
|
|
1218 |
|
|
|
1219 |
!Form methodsFor:'image manipulations'!
|
|
|
1220 |
|
|
|
1221 |
magnifyBy:extent
|
|
|
1222 |
"return a new form magnified by extent, aPoint.
|
|
|
1223 |
If non-integral magnify is asked for, pass the work on to 'hardMagnifyBy:'"
|
|
|
1224 |
|
|
|
1225 |
|mX mY dstX dstY newForm|
|
|
|
1226 |
|
|
|
1227 |
mX := extent x.
|
|
|
1228 |
mY := extent y.
|
|
|
1229 |
((mX = 1) and:[mY = 1]) ifTrue:[^ self].
|
|
|
1230 |
|
|
|
1231 |
((mX isKindOf:SmallInteger) and:[mY isKindOf:SmallInteger]) ifFalse:[
|
|
|
1232 |
^ self hardMagnifyBy:extent
|
|
|
1233 |
].
|
|
|
1234 |
|
|
|
1235 |
newForm := ((self class) on:device)
|
|
|
1236 |
width:(width * mX)
|
|
|
1237 |
height:(height * mY)
|
|
|
1238 |
depth:depth.
|
|
|
1239 |
|
|
|
1240 |
"expand rows"
|
|
|
1241 |
(mY > 1) ifTrue:[
|
|
|
1242 |
dstY := 0.
|
|
|
1243 |
0 to:(height - 1) do:[:srcY |
|
|
|
1244 |
1 to:mY do:[:i |
|
|
|
1245 |
newForm copyFrom:self
|
|
|
1246 |
x:0 y:srcY
|
|
|
1247 |
toX:0 y:dstY
|
|
|
1248 |
width:width height:1.
|
|
|
1249 |
dstY := dstY + 1
|
|
|
1250 |
]
|
|
|
1251 |
]
|
|
|
1252 |
].
|
|
|
1253 |
|
|
|
1254 |
"expand cols"
|
|
|
1255 |
(mX > 1) ifTrue:[
|
|
|
1256 |
dstX := (width * mX) - 1.
|
|
|
1257 |
(width - 1) to:0 by:-1 do:[:srcX |
|
|
|
1258 |
1 to:mX do:[:i |
|
|
|
1259 |
newForm copyFrom:newForm
|
|
|
1260 |
x:srcX y:0
|
|
|
1261 |
toX:dstX y:0
|
|
|
1262 |
width:1 height:(height * mY).
|
|
|
1263 |
dstX := dstX - 1
|
|
|
1264 |
]
|
|
|
1265 |
]
|
|
|
1266 |
].
|
|
|
1267 |
^ newForm
|
|
|
1268 |
|
|
|
1269 |
"ScrollBar scrollUpButtonForm magnifyBy:(2 @ 2)"
|
|
|
1270 |
!
|
|
|
1271 |
|
|
|
1272 |
mirrorV
|
|
|
1273 |
"return a new form mirrored vertically"
|
|
|
1274 |
|
|
|
1275 |
|dstX newForm|
|
|
|
1276 |
newForm := ((self class) on:device)
|
|
|
1277 |
width:width
|
|
|
1278 |
height:height
|
|
|
1279 |
depth:depth.
|
|
|
1280 |
"expand cols"
|
|
|
1281 |
dstX := width - 1.
|
|
|
1282 |
0 to:((width - 1) // 2) do:[:srcX |
|
|
|
1283 |
newForm copyFrom:self
|
|
|
1284 |
x:srcX y:0
|
|
|
1285 |
toX:dstX y:0
|
|
|
1286 |
width:1 height:height.
|
|
|
1287 |
dstX := dstX - 1
|
|
|
1288 |
].
|
|
|
1289 |
^ newForm
|
|
|
1290 |
!
|
|
|
1291 |
|
|
|
1292 |
mirrorH
|
|
|
1293 |
"return a new form mirrored horizontally"
|
|
|
1294 |
|
|
|
1295 |
|dstY newForm|
|
|
|
1296 |
newForm := ((self class) on:device)
|
|
|
1297 |
width:width
|
|
|
1298 |
height:height
|
|
|
1299 |
depth:depth.
|
|
|
1300 |
"expand rows"
|
|
|
1301 |
dstY = height - 1.
|
|
|
1302 |
0 to:((height - 1) // 2) do:[:srcY |
|
|
|
1303 |
newForm copyFrom:self
|
|
|
1304 |
x:0 y:srcY
|
|
|
1305 |
toX:0 y:dstY
|
|
|
1306 |
width:width height:1.
|
|
|
1307 |
dstY := dstY - 1
|
|
|
1308 |
].
|
|
|
1309 |
^ newForm
|
|
|
1310 |
! !
|
|
|
1311 |
|
|
|
1312 |
!Form methodsFor:'storing'!
|
|
|
1313 |
|
|
|
1314 |
storeOn:aStream
|
|
|
1315 |
aStream nextPutAll:'(Form width:'.
|
|
|
1316 |
width storeOn:aStream.
|
|
|
1317 |
aStream nextPutAll:' height:'.
|
|
|
1318 |
height storeOn:aStream.
|
|
2
|
1319 |
aStream nextPutAll:' fromArray:('.
|
|
0
|
1320 |
self bits storeOn:aStream.
|
|
2
|
1321 |
aStream nextPutAll:'))'
|
|
0
|
1322 |
! !
|
|
|
1323 |
|
|
|
1324 |
!Form methodsFor:'editing'!
|
|
|
1325 |
|
|
|
1326 |
edit
|
|
|
1327 |
FormEditView editForm:self
|
|
|
1328 |
|
|
|
1329 |
"ScrollBar scrollUpButtonForm edit"
|
|
|
1330 |
!
|
|
|
1331 |
|
|
|
1332 |
show
|
|
|
1333 |
((FormView new model:self) extent:self extent) realize
|
|
|
1334 |
|
|
|
1335 |
"ScrollBar scrollUpButtonForm show"
|
|
|
1336 |
! !
|
|
|
1337 |
|
|
|
1338 |
!Form class methodsFor:'fileIn/Out'!
|
|
|
1339 |
|
|
|
1340 |
readFrom:fileName
|
|
|
1341 |
"same as Form>>fromFile: - for ST-80 compatibility"
|
|
|
1342 |
|
|
|
1343 |
^ self fromFile:fileName
|
|
|
1344 |
!
|
|
|
1345 |
|
|
|
1346 |
fromFile:filename on:aDevice
|
|
|
1347 |
"create a new form on device, aDevice and
|
|
|
1348 |
initialize the pixels from the file filename"
|
|
|
1349 |
|
|
|
1350 |
^ (self on:aDevice) readFromFile:filename
|
|
|
1351 |
!
|
|
|
1352 |
|
|
|
1353 |
fromFile:filename resolution:dpi on:aDevice
|
|
|
1354 |
"create a new form on device, aDevice and
|
|
|
1355 |
initialize the pixels from the file filename;
|
|
|
1356 |
the data in the file is assumed to be for dpi resolution;
|
|
|
1357 |
if it is different from the deisplays, magnify the picture"
|
|
|
1358 |
|
|
|
1359 |
^ (self on:aDevice) readFromFile:filename resolution:dpi
|
|
|
1360 |
!
|
|
|
1361 |
|
|
|
1362 |
fromFile:filename
|
|
|
1363 |
"create a new form taking the bits from a file on the default device"
|
|
|
1364 |
|
|
|
1365 |
^ (self on:Display) readFromFile:filename
|
|
|
1366 |
!
|
|
|
1367 |
|
|
|
1368 |
fromFile:filename resolution:dpi
|
|
|
1369 |
"create a new form taking the bits from a file on the default device
|
|
|
1370 |
the data in the file is assumed to be for dpi resolution;
|
|
|
1371 |
if it is different from the deisplays, magnify the picture"
|
|
|
1372 |
|
|
|
1373 |
^ (self on:Display) readFromFile:filename resolution:dpi
|
|
|
1374 |
! !
|