Rev 1951 | Rev 1958 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1951 | mario79 | 1 | ;***************************************************************************** |
2 | ; Scaling RAW image plugin - for zSea image viewer |
||
3 | ; Copyright (c) 2009 - 2011, Marat Zakiyanov aka Mario79, aka Mario |
||
4 | ; All rights reserved. |
||
5 | ; |
||
6 | ; Redistribution and use in source and binary forms, with or without |
||
7 | ; modification, are permitted provided that the following conditions are met: |
||
8 | ; * Redistributions of source code must retain the above copyright |
||
9 | ; notice, this list of conditions and the following disclaimer. |
||
10 | ; * Redistributions in binary form must reproduce the above copyright |
||
11 | ; notice, this list of conditions and the following disclaimer in the |
||
12 | ; documentation and/or other materials provided with the distribution. |
||
13 | ; * Neither the name of the |
||
14 | ; names of its contributors may be used to endorse or promote products |
||
15 | ; derived from this software without specific prior written permission. |
||
16 | ; |
||
17 | ; THIS SOFTWARE IS PROVIDED BY Marat Zakiyanov ''AS IS'' AND ANY |
||
18 | ; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
||
19 | ; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
||
20 | ; DISCLAIMED. IN NO EVENT SHALL |
||
21 | ; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
||
22 | ; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
||
23 | ; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
||
24 | ; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
||
25 | ; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
||
26 | ; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
||
27 | ;***************************************************************************** |
||
28 | ; Scaling 32b, 24b, 16b, 8b |
||
29 | |||
30 | format MS COFF |
||
31 | |||
32 | public EXPORTS |
||
33 | |||
34 | section '.flat' code readable align 16 |
||
35 | |||
1954 | mario79 | 36 | ;include 'macros.inc' |
1951 | mario79 | 37 | include '../../../../macros.inc' |
38 | ;--------------------------------------------------------------------- |
||
39 | START: |
||
40 | pushad |
||
41 | mov [pointer],eax |
||
42 | test bx,bx |
||
43 | jnz @f |
||
44 | inc bx |
||
45 | @@: |
||
46 | ror ebx,16 |
||
47 | test bx,bx |
||
48 | jnz @f |
||
49 | inc bx |
||
50 | @@: |
||
51 | rol ebx,16 |
||
52 | mov [new_size],ebx |
||
53 | mov [start_coordinates],ecx |
||
54 | mov [scaling_mode],edx |
||
55 | mov [filtering],esi |
||
56 | mov [background_color],edi |
||
57 | mov eax,[eax+4] |
||
58 | mov [image_file],eax |
||
59 | |||
60 | mov esi,[eax+28] |
||
61 | add esi,eax |
||
62 | |||
63 | mov ebx,[eax+20] |
||
64 | add ebx,eax |
||
65 | mov [palette],ebx |
||
66 | |||
67 | mov ebx,[eax+12] |
||
68 | mov [resolution],ebx |
||
69 | cmp ebx,32 |
||
70 | jne @f |
||
71 | mov ebp,dword START.32 |
||
72 | jmp .1 |
||
73 | @@: |
||
74 | cmp ebx,24 |
||
75 | jne @f |
||
76 | mov ebp,dword START.24 |
||
77 | jmp .1 |
||
78 | @@: |
||
79 | cmp ebx,16 |
||
80 | jne @f |
||
81 | mov ebp,dword START.16 |
||
82 | jmp .1 |
||
83 | @@: |
||
84 | cmp ebx,15 |
||
85 | jne @f |
||
86 | inc ebx |
||
87 | mov ebp,dword START.16 |
||
88 | jmp .1 |
||
89 | @@: |
||
90 | cmp ebx,8 |
||
91 | jne @f |
||
92 | mov ebp,dword START.8 |
||
93 | @@: |
||
94 | .1: |
||
95 | shr ebx,3 |
||
96 | mov [bytes_to_pixel],ebx |
||
97 | |||
98 | mov ebx,[eax+8] |
||
99 | mov [y],ebx |
||
100 | mov ebx,[eax+4] |
||
101 | mov [x],ebx |
||
102 | imul ebx,[bytes_to_pixel] |
||
103 | mov [size_x],ebx |
||
104 | |||
105 | mov eax,100 |
||
106 | shl eax,12 |
||
107 | mov ebx,[scaling_mode] |
||
108 | test ebx,ebx |
||
109 | jnz @f |
||
110 | inc ebx |
||
111 | @@: |
||
112 | xor edx,edx |
||
113 | div ebx |
||
114 | mov [scaling_delta],eax |
||
115 | |||
116 | call .get_memory |
||
117 | cmp [scaling_mode],0 |
||
118 | jne @f |
||
119 | call .scaling |
||
120 | jmp .ret_ok |
||
121 | @@: |
||
122 | call .scaling_2 |
||
123 | |||
124 | ;--------------------------------------------------------------------- |
||
125 | .ret_ok: |
||
126 | mcall 68,13,[area_for_x] |
||
127 | mov ebx,[pointer] |
||
128 | mov eax,[raw_area] |
||
129 | mov [ebx+20],eax ; store RAW pointer |
||
130 | ; movzx eax,word [new_size.x1] |
||
131 | ; mov [ebx+24],esi ;eax |
||
132 | ; movzx eax,word [new_size.y1] |
||
133 | ; mov [ebx+28],eax |
||
134 | ; mov eax,[size_x] |
||
135 | ; mov [ebx+32],eax |
||
136 | ; mov eax,[bytes_to_pixel] |
||
137 | ; mov [ebx+36],eax |
||
138 | ; mov eax,[x] |
||
139 | ; mov [ebx+40],eax |
||
140 | ; mov eax,[y] |
||
141 | ; mov [ebx+44],eax |
||
142 | .exit: |
||
143 | popad |
||
144 | ret |
||
145 | ;--------------------------------------------------------------------- |
||
146 | align 4 |
||
147 | .scaling: |
||
148 | xor ecx,ecx |
||
149 | .y: |
||
150 | xor ebx,ebx |
||
151 | ;------------------------- |
||
152 | .x: |
||
153 | call ebp |
||
154 | inc ebx |
||
155 | cmp bx,[new_size.x1] |
||
156 | jb .x |
||
157 | ;------------------------- |
||
158 | inc ecx |
||
159 | cmp cx,[new_size.y1] |
||
160 | jb .y |
||
161 | ret |
||
162 | ;--------------------------------------------------------------------- |
||
163 | align 4 |
||
164 | .scaling_2: |
||
165 | xor eax,eax |
||
166 | mov ax,[start_coordinates.y] |
||
167 | imul eax,[size_x] |
||
168 | add esi,eax |
||
169 | xor eax,eax |
||
170 | mov ax,[start_coordinates.x] |
||
171 | imul eax,[bytes_to_pixel] |
||
172 | add esi,eax |
||
173 | |||
174 | xor eax,eax |
||
175 | dec eax |
||
176 | mov [temp_y],eax |
||
177 | |||
178 | xor ecx,ecx |
||
179 | align 4 |
||
180 | .y_2: |
||
181 | xor ebx,ebx |
||
182 | ;------------------------- |
||
183 | align 4 |
||
184 | .x_2: |
||
185 | call ebp |
||
186 | inc ebx |
||
187 | cmp bx,[new_size.x1] |
||
188 | jb .x_2 |
||
189 | ;------------------------- |
||
190 | inc ecx |
||
191 | cmp cx,[new_size.y1] |
||
192 | jb .y_2 |
||
193 | ret |
||
194 | ;--------------------------------------------------------------------- |
||
195 | align 4 |
||
196 | .32: |
||
197 | push ecx ebx |
||
198 | call .calculate_pixel |
||
199 | mov eax,[ecx] |
||
200 | call .check_filtering_32 |
||
201 | pop ebx ecx |
||
202 | cld |
||
203 | stosd |
||
204 | ret |
||
205 | ;--------------------------------------------------------------------- |
||
206 | align 4 |
||
207 | .24: |
||
208 | push ecx ebx |
||
209 | call .calculate_pixel |
||
210 | mov eax,[ecx] |
||
211 | call .check_filtering_24 |
||
212 | cld |
||
213 | stosw |
||
214 | shr eax,16 |
||
215 | pop ebx ecx |
||
216 | cld |
||
217 | stosb |
||
218 | ret |
||
219 | ;--------------------------------------------------------------------- |
||
220 | align 4 |
||
221 | .16: |
||
222 | push ecx ebx |
||
223 | call .calculate_pixel |
||
224 | xor eax,eax |
||
225 | mov ax,[ecx] |
||
226 | call .check_filtering_16 |
||
227 | pop ebx ecx |
||
228 | cld |
||
229 | stosw |
||
230 | ret |
||
231 | ;--------------------------------------------------------------------- |
||
232 | align 4 |
||
233 | .8: |
||
234 | push ecx ebx |
||
235 | call .calculate_pixel |
||
236 | cmp [filtering],0 |
||
237 | jne @f |
||
238 | mov al,[ecx] |
||
239 | pop ebx ecx |
||
240 | cld |
||
241 | stosb |
||
242 | ret |
||
243 | @@: |
||
244 | call .check_filtering_8 |
||
245 | cld |
||
246 | stosw |
||
247 | shr eax,16 |
||
248 | pop ebx ecx |
||
249 | cld |
||
250 | stosb |
||
251 | ret |
||
252 | |||
253 | ;--------------------------------------------------------------------- |
||
254 | align 4 |
||
255 | .calculate_pixel: |
||
256 | test ecx,ecx |
||
257 | jz .offset_x |
||
258 | ;.offset_y: |
||
259 | mov eax,ecx |
||
260 | |||
261 | mov ecx,[temp_y] |
||
262 | cmp eax,ecx |
||
263 | jne .new_y |
||
264 | mov eax,[temp_y_offset] |
||
265 | mov ecx,eax |
||
266 | jmp .offset_x |
||
267 | ;-------------------------------- |
||
268 | align 4 |
||
269 | .new_y: |
||
270 | mov [temp_y],eax |
||
271 | |||
272 | mov ebx,[scaling_mode] |
||
273 | test ebx,ebx |
||
274 | jz @f |
||
275 | imul eax,[scaling_delta] |
||
276 | ;-------------------------------- |
||
277 | push ebx |
||
278 | mov ebx,eax |
||
279 | shr eax,12 |
||
280 | and ebx,0xFFF |
||
281 | shl ebx,7 ;multiply 128 |
||
282 | shr ebx,12 |
||
283 | mov [next_pixel_y],ebx |
||
284 | pop ebx |
||
285 | ;-------------------------------- |
||
286 | jmp .ex_1 |
||
287 | align 4 |
||
288 | @@: |
||
289 | ;-------------------------------- |
||
290 | imul eax,dword [y] |
||
291 | mov bx,word [new_size.y1] |
||
292 | ;-------------------------------- |
||
293 | align 4 |
||
294 | .y_div: |
||
295 | test ebx,ebx |
||
296 | jnz @f |
||
297 | inc ebx |
||
298 | align 4 |
||
299 | @@: |
||
300 | xor edx,edx |
||
301 | div ebx |
||
302 | ;-------------------------------- |
||
303 | push eax |
||
304 | mov eax,edx |
||
305 | shl eax,7 ;multiply 128 |
||
306 | xor edx,edx |
||
307 | div ebx |
||
308 | mov [next_pixel_y],eax |
||
309 | pop eax |
||
310 | ;-------------------------------- |
||
311 | align 4 |
||
312 | .ex_1: |
||
313 | mov [temp_y1],eax |
||
314 | imul eax,[size_x] |
||
315 | |||
316 | mov [temp_y_offset],eax |
||
317 | mov ecx,eax |
||
318 | align 4 |
||
319 | .offset_x: |
||
320 | test ebx,ebx |
||
321 | jz .finish |
||
322 | mov eax,[esp+4] ;ebx |
||
323 | |||
324 | mov edx,[esp+8] |
||
325 | test edx,edx |
||
326 | jz .continue |
||
327 | shl eax,3 |
||
328 | add eax,[area_for_x] |
||
329 | mov edx,[eax+4] |
||
330 | mov [next_pixel_x],edx |
||
331 | mov eax,[eax] |
||
332 | jmp .ex_3 |
||
333 | ;-------------------------------- |
||
334 | align 4 |
||
335 | .continue: |
||
336 | mov ebx,[scaling_mode] |
||
337 | test ebx,ebx |
||
338 | jz @f |
||
339 | imul eax,[scaling_delta] |
||
340 | ;-------------------------------- |
||
341 | mov ebx,eax |
||
342 | shr eax,12 |
||
343 | and ebx,0xFFF |
||
344 | shl ebx,7 ;multiply 128 |
||
345 | shr ebx,12 |
||
346 | mov [next_pixel_x],ebx |
||
347 | ;-------------------------------- |
||
348 | jmp .ex_2 |
||
349 | ;-------------------------------- |
||
350 | align 4 |
||
351 | @@: |
||
352 | imul eax,dword [x] |
||
353 | mov bx,word [new_size.x1] |
||
354 | ;-------------------------------- |
||
355 | align 4 |
||
356 | .x_div: |
||
357 | test ebx,ebx |
||
358 | jnz @f |
||
359 | inc ebx |
||
360 | align 4 |
||
361 | @@: |
||
362 | xor edx,edx |
||
363 | div ebx |
||
364 | ;-------------------------------- |
||
365 | push eax |
||
366 | mov eax,edx |
||
367 | shl eax,7 ;multiply 128 |
||
368 | xor edx,edx |
||
369 | div ebx |
||
370 | mov [next_pixel_x],eax |
||
371 | pop eax |
||
372 | ;-------------------------------- |
||
373 | align 4 |
||
374 | .ex_2: |
||
375 | mov edx,[bytes_to_pixel] |
||
376 | mov ebx,eax |
||
377 | xor eax,eax |
||
378 | align 4 |
||
379 | @@: |
||
380 | add eax,ebx |
||
381 | dec edx |
||
382 | jnz @r |
||
383 | |||
384 | mov ebx,[esp+4] |
||
385 | shl ebx,3 |
||
386 | add ebx,[area_for_x] |
||
387 | mov [ebx],eax |
||
388 | mov edx,[next_pixel_x] |
||
389 | mov [ebx+4],edx |
||
390 | align 4 |
||
391 | .ex_3: |
||
392 | mov [temp_x1],eax |
||
393 | add ecx,eax |
||
394 | align 4 |
||
395 | .finish: |
||
396 | add ecx,esi |
||
397 | ret |
||
398 | ;--------------------------------------------------------------------- |
||
399 | align 4 |
||
400 | .get_memory: |
||
401 | |||
402 | xor ecx,ecx |
||
403 | mov cx,[new_size.x1] |
||
404 | shl ecx,3 |
||
405 | mcall 68,12 |
||
406 | mov [area_for_x],eax |
||
407 | |||
408 | xor ecx,ecx |
||
409 | mov ebx,[new_size] |
||
410 | mov cx,bx |
||
411 | shr ebx,16 |
||
412 | imul ecx,ebx ;[eax+8] |
||
413 | mov eax,[bytes_to_pixel] |
||
414 | cmp eax,1 |
||
415 | jne @f |
||
416 | mov eax,3 |
||
417 | @@: |
||
418 | imul ecx,eax |
||
419 | mcall 68,12 |
||
420 | mov [raw_area],eax |
||
421 | mov edi,eax |
||
422 | ret |
||
423 | ;--------------------------------------------------------------------- |
||
424 | include 'b_filter.inc' |
||
425 | ;--------------------------------------------------------------------- |
||
426 | align 4 |
||
427 | EXPORTS: |
||
428 | dd szStart, START |
||
429 | dd szVersion, 0x00010001 |
||
430 | dd 0 |
||
431 | |||
432 | szStart db 'START',0 |
||
433 | szVersion db 'version',0 |
||
434 | |||
435 | align 4 |
||
436 | pointer dd 0 |
||
437 | image_file dd 0 |
||
438 | new_size: |
||
439 | .y1: dw 0 |
||
440 | .x1: dw 0 |
||
441 | |||
442 | x: dd 0 |
||
443 | y: dd 0 |
||
444 | |||
445 | size_x dd 0 |
||
446 | bytes_to_pixel dd 0 |
||
447 | |||
448 | start_coordinates: |
||
449 | .y dw 0 |
||
450 | .x dw 0 |
||
451 | |||
452 | scaling_mode dd 0 |
||
453 | raw_area dd 0 |
||
454 | scaling_delta dd 0 |
||
455 | |||
456 | area_for_x dd 0 |
||
457 | |||
458 | temp_y dd 0 |
||
459 | temp_y_offset dd 0 |
||
460 | |||
461 | resolution dd 0 |
||
462 | |||
463 | filtering dd 0 |
||
464 | |||
465 | next_pixel_y dd 0 |
||
466 | next_pixel_x dd 0 |
||
467 | |||
468 | temp_y1 dd 0 |
||
469 | temp_x1 dd 0 |
||
470 | |||
471 | B_sample dd 0 |
||
472 | G_sample dd 0 |
||
473 | R_sample dd 0 |
||
474 | |||
475 | B_sample_1 dd 0 |
||
476 | G_sample_1 dd 0 |
||
477 | R_sample_1 dd 0 |
||
478 | |||
479 | palette dd 0 |
||
480 | |||
481 | background_color dd 0 |