1/* 2 3Copyright (c) 2002-2003, Marcin 'Shard' Konicki 4All rights reserved. 5 6Redistribution and use in source and binary forms, with or without 7modification, are permitted provided that the following conditions are met: 8 9 * Redistributions of source code must retain the above copyright notice, 10 this list of conditions and the following disclaimer. 11 * Redistributions in binary form must reproduce the above copyright notice, 12 this list of conditions and the following disclaimer in the documentation and/or 13 other materials provided with the distribution. 14 * Name "Marcin Konicki", "Shard" or any combination of them, 15 must not be used to endorse or promote products derived from this 16 software without specific prior written permission from Marcin Konicki. 17 18THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 19ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 22BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 23OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 28EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30*/ 31 32 33#include "JPEGTranslator.h" 34#include "TranslatorWindow.h" 35#include "exif_parser.h" 36 37#include <syslog.h> 38 39#include <Alignment.h> 40#include <Catalog.h> 41#include <LayoutBuilder.h> 42#include <TabView.h> 43#include <TextView.h> 44 45#undef B_TRANSLATION_CONTEXT 46#define B_TRANSLATION_CONTEXT "JPEGTranslator" 47 48#define MARKER_EXIF 0xe1 49 50// Set these accordingly 51#define JPEG_ACRONYM "JPEG" 52#define JPEG_FORMAT 'JPEG' 53#define JPEG_MIME_STRING "image/jpeg" 54#define JPEG_DESCRIPTION "JPEG image" 55 56// The translation kit's native file type 57#define B_TRANSLATOR_BITMAP_MIME_STRING "image/x-be-bitmap" 58#define B_TRANSLATOR_BITMAP_DESCRIPTION "Be Bitmap Format (JPEGTranslator)" 59 60 61static const int32 sTranslatorVersion = B_TRANSLATION_MAKE_VERSION(1, 2, 0); 62 63static const char* sTranslatorName = B_TRANSLATE("JPEG images"); 64static const char* sTranslatorInfo = B_TRANSLATE("©2002-2003, Marcin Konicki\n" 65 "©2005-2007, Haiku\n" 66 "\n" 67 "Based on IJG library © 1994-2009, Thomas G. Lane, Guido Vollbeding.\n" 68 "\thttp://www.ijg.org/files/\n" 69 "\n" 70 "with \"lossless\" encoding support patch by Ken Murchison\n" 71 "\thttp://www.oceana.com/ftp/ljpeg/\n" 72 "\n" 73 "With some colorspace conversion routines by Magnus Hellman\n" 74 "\thttp://www.bebits.com/app/802\n"); 75 76// Define the formats we know how to read 77static const translation_format sInputFormats[] = { 78 { JPEG_FORMAT, B_TRANSLATOR_BITMAP, 0.5, 0.5, 79 JPEG_MIME_STRING, JPEG_DESCRIPTION }, 80 { B_TRANSLATOR_BITMAP, B_TRANSLATOR_BITMAP, 0.5, 0.5, 81 B_TRANSLATOR_BITMAP_MIME_STRING, B_TRANSLATOR_BITMAP_DESCRIPTION } 82}; 83 84// Define the formats we know how to write 85static const translation_format sOutputFormats[] = { 86 { JPEG_FORMAT, B_TRANSLATOR_BITMAP, 0.5, 0.5, 87 JPEG_MIME_STRING, JPEG_DESCRIPTION }, 88 { B_TRANSLATOR_BITMAP, B_TRANSLATOR_BITMAP, 0.5, 0.5, 89 B_TRANSLATOR_BITMAP_MIME_STRING, B_TRANSLATOR_BITMAP_DESCRIPTION } 90}; 91 92 93static const TranSetting sDefaultSettings[] = { 94 {JPEG_SET_SMOOTHING, TRAN_SETTING_INT32, 0}, 95 {JPEG_SET_QUALITY, TRAN_SETTING_INT32, 95}, 96 {JPEG_SET_PROGRESSIVE, TRAN_SETTING_BOOL, true}, 97 {JPEG_SET_OPT_COLORS, TRAN_SETTING_BOOL, true}, 98 {JPEG_SET_SMALL_FILES, TRAN_SETTING_BOOL, false}, 99 {JPEG_SET_GRAY1_AS_RGB24, TRAN_SETTING_BOOL, false}, 100 {JPEG_SET_ALWAYS_RGB32, TRAN_SETTING_BOOL, true}, 101 {JPEG_SET_PHOTOSHOP_CMYK, TRAN_SETTING_BOOL, true}, 102 {JPEG_SET_SHOWREADWARNING, TRAN_SETTING_BOOL, true} 103}; 104 105const uint32 kNumInputFormats = sizeof(sInputFormats) / sizeof(translation_format); 106const uint32 kNumOutputFormats = sizeof(sOutputFormats) / sizeof(translation_format); 107const uint32 kNumDefaultSettings = sizeof(sDefaultSettings) / sizeof(TranSetting); 108 109 110namespace conversion { 111 112 113static bool 114x_flipped(int32 orientation) 115{ 116 return orientation == 2 || orientation == 3 117 || orientation == 6 || orientation == 7; 118} 119 120 121static bool 122y_flipped(int32 orientation) 123{ 124 return orientation == 3 || orientation == 4 125 || orientation == 7 || orientation == 8; 126} 127 128 129static int32 130dest_index(uint32 width, uint32 height, uint32 x, uint32 y, int32 orientation) 131{ 132 if (orientation > 4) { 133 uint32 temp = x; 134 x = y; 135 y = temp; 136 } 137 if (y_flipped(orientation)) 138 y = height - 1 - y; 139 if (x_flipped(orientation)) 140 x = width - 1 - x; 141 142 return y * width + x; 143} 144 145 146// #pragma mark - conversion for compression 147 148 149inline void 150convert_from_gray1_to_gray8(uint8* in, uint8* out, int32 inRowBytes) 151{ 152 int32 index = 0; 153 int32 index2 = 0; 154 while (index < inRowBytes) { 155 unsigned char c = in[index++]; 156 for (int b = 128; b; b = b>>1) { 157 unsigned char color; 158 if (c & b) 159 color = 0; 160 else 161 color = 255; 162 out[index2++] = color; 163 } 164 } 165} 166 167 168inline void 169convert_from_gray1_to_24(uint8* in, uint8* out, int32 inRowBytes) 170{ 171 int32 index = 0; 172 int32 index2 = 0; 173 while (index < inRowBytes) { 174 unsigned char c = in[index++]; 175 for (int b = 128; b; b = b>>1) { 176 unsigned char color; 177 if (c & b) 178 color = 0; 179 else 180 color = 255; 181 out[index2++] = color; 182 out[index2++] = color; 183 out[index2++] = color; 184 } 185 } 186} 187 188 189inline void 190convert_from_cmap8_to_24(uint8* in, uint8* out, int32 inRowBytes) 191{ 192 const color_map * map = system_colors(); 193 int32 index = 0; 194 int32 index2 = 0; 195 while (index < inRowBytes) { 196 rgb_color color = map->color_list[in[index++]]; 197 198 out[index2++] = color.red; 199 out[index2++] = color.green; 200 out[index2++] = color.blue; 201 } 202} 203 204 205inline void 206convert_from_15_to_24(uint8* in, uint8* out, int32 inRowBytes) 207{ 208 int32 index = 0; 209 int32 index2 = 0; 210 int16 in_pixel; 211 while (index < inRowBytes) { 212 in_pixel = in[index] | (in[index + 1] << 8); 213 index += 2; 214 215 out[index2++] = (((in_pixel & 0x7c00)) >> 7) | (((in_pixel & 0x7c00)) >> 12); 216 out[index2++] = (((in_pixel & 0x3e0)) >> 2) | (((in_pixel & 0x3e0)) >> 7); 217 out[index2++] = (((in_pixel & 0x1f)) << 3) | (((in_pixel & 0x1f)) >> 2); 218 } 219} 220 221 222inline void 223convert_from_15b_to_24(uint8* in, uint8* out, int32 inRowBytes) 224{ 225 int32 index = 0; 226 int32 index2 = 0; 227 int16 in_pixel; 228 while (index < inRowBytes) { 229 in_pixel = in[index + 1] | (in[index] << 8); 230 index += 2; 231 232 out[index2++] = (((in_pixel & 0x7c00)) >> 7) | (((in_pixel & 0x7c00)) >> 12); 233 out[index2++] = (((in_pixel & 0x3e0)) >> 2) | (((in_pixel & 0x3e0)) >> 7); 234 out[index2++] = (((in_pixel & 0x1f)) << 3) | (((in_pixel & 0x1f)) >> 2); 235 } 236} 237 238 239inline void 240convert_from_16_to_24(uint8* in, uint8* out, int32 inRowBytes) 241{ 242 int32 index = 0; 243 int32 index2 = 0; 244 int16 in_pixel; 245 while (index < inRowBytes) { 246 in_pixel = in[index] | (in[index + 1] << 8); 247 index += 2; 248 249 out[index2++] = (((in_pixel & 0xf800)) >> 8) | (((in_pixel & 0xf800)) >> 13); 250 out[index2++] = (((in_pixel & 0x7e0)) >> 3) | (((in_pixel & 0x7e0)) >> 9); 251 out[index2++] = (((in_pixel & 0x1f)) << 3) | (((in_pixel & 0x1f)) >> 2); 252 } 253} 254 255 256inline void 257convert_from_16b_to_24(uint8* in, uint8* out, int32 inRowBytes) 258{ 259 int32 index = 0; 260 int32 index2 = 0; 261 int16 in_pixel; 262 while (index < inRowBytes) { 263 in_pixel = in[index + 1] | (in[index] << 8); 264 index += 2; 265 266 out[index2++] = (((in_pixel & 0xf800)) >> 8) | (((in_pixel & 0xf800)) >> 13); 267 out[index2++] = (((in_pixel & 0x7e0)) >> 3) | (((in_pixel & 0x7e0)) >> 9); 268 out[index2++] = (((in_pixel & 0x1f)) << 3) | (((in_pixel & 0x1f)) >> 2); 269 } 270} 271 272 273inline void 274convert_from_24_to_24(uint8* in, uint8* out, int32 inRowBytes) 275{ 276 int32 index = 0; 277 int32 index2 = 0; 278 while (index < inRowBytes) { 279 out[index2++] = in[index + 2]; 280 out[index2++] = in[index + 1]; 281 out[index2++] = in[index]; 282 index+=3; 283 } 284} 285 286 287inline void 288convert_from_32_to_24(uint8* in, uint8* out, int32 inRowBytes) 289{ 290 inRowBytes /= 4; 291 292 for (int32 i = 0; i < inRowBytes; i++) { 293 out[0] = in[2]; 294 out[1] = in[1]; 295 out[2] = in[0]; 296 297 in += 4; 298 out += 3; 299 } 300} 301 302 303inline void 304convert_from_32b_to_24(uint8* in, uint8* out, int32 inRowBytes) 305{ 306 inRowBytes /= 4; 307 308 for (int32 i = 0; i < inRowBytes; i++) { 309 out[0] = in[1]; 310 out[1] = in[2]; 311 out[2] = in[3]; 312 313 in += 4; 314 out += 3; 315 } 316} 317 318 319// #pragma mark - conversion for decompression 320 321 322inline void 323convert_from_CMYK_to_32_photoshop(uint8* in, uint8* out, int32 inRowBytes, int32 xStep) 324{ 325 for (int32 i = 0; i < inRowBytes; i += 4) { 326 int32 black = in[3]; 327 out[0] = in[2] * black / 255; 328 out[1] = in[1] * black / 255; 329 out[2] = in[0] * black / 255; 330 out[3] = 255; 331 332 in += 4; 333 out += xStep; 334 } 335} 336 337 338//! !!! UNTESTED !!! 339inline void 340convert_from_CMYK_to_32(uint8* in, uint8* out, int32 inRowBytes, int32 xStep) 341{ 342 for (int32 i = 0; i < inRowBytes; i += 4) { 343 int32 black = 255 - in[3]; 344 out[0] = ((255 - in[2]) * black) / 255; 345 out[1] = ((255 - in[1]) * black) / 255; 346 out[2] = ((255 - in[0]) * black) / 255; 347 out[3] = 255; 348 349 in += 4; 350 out += xStep; 351 } 352} 353 354 355//! RGB24 8:8:8 to xRGB 8:8:8:8 356inline void 357convert_from_24_to_32(uint8* in, uint8* out, int32 inRowBytes, int32 xStep) 358{ 359 for (int32 i = 0; i < inRowBytes; i += 3) { 360 out[0] = in[2]; 361 out[1] = in[1]; 362 out[2] = in[0]; 363 out[3] = 255; 364 365 in += 3; 366 out += xStep; 367 } 368} 369 370 371//! 8-bit to 8-bit, only need when rotating the image 372void 373translate_8(uint8* in, uint8* out, int32 inRowBytes, int32 xStep) 374{ 375 for (int32 i = 0; i < inRowBytes; i++) { 376 out[0] = in[0]; 377 378 in++; 379 out += xStep; 380 } 381} 382 383 384} // namespace conversion 385 386 387// #pragma mark - 388 389 390SSlider::SSlider(const char* name, const char* label, 391 BMessage* message, int32 minValue, int32 maxValue, orientation posture, 392 thumb_style thumbType, uint32 flags) 393 : BSlider(name, label, message, minValue, maxValue, 394 posture, thumbType, flags) 395{ 396 rgb_color barColor = { 0, 0, 229, 255 }; 397 UseFillColor(true, &barColor); 398} 399 400 401//! Update status string - show actual value 402const char* 403SSlider::UpdateText() const 404{ 405 snprintf(fStatusLabel, sizeof(fStatusLabel), "%ld", Value()); 406 return fStatusLabel; 407} 408 409 410// #pragma mark - 411 412 413TranslatorReadView::TranslatorReadView(const char* name, 414 TranslatorSettings* settings) 415 : 416 BView(name, 0, new BGroupLayout(B_HORIZONTAL)), 417 fSettings(settings) 418 // settings should already be Acquired() 419{ 420 fAlwaysRGB32 = new BCheckBox("alwaysrgb32", 421 B_TRANSLATE("Read greyscale images as RGB32"), 422 new BMessage(VIEW_MSG_SET_ALWAYSRGB32)); 423 if (fSettings->SetGetBool(JPEG_SET_ALWAYS_RGB32, NULL)) 424 fAlwaysRGB32->SetValue(B_CONTROL_ON); 425 426 fPhotoshopCMYK = new BCheckBox("photoshopCMYK", 427 B_TRANSLATE("Use CMYK code with 0 for 100% ink coverage"), 428 new BMessage(VIEW_MSG_SET_PHOTOSHOPCMYK)); 429 if (fSettings->SetGetBool(JPEG_SET_PHOTOSHOP_CMYK, NULL)) 430 fPhotoshopCMYK->SetValue(B_CONTROL_ON); 431 432 fShowErrorBox = new BCheckBox("error", 433 B_TRANSLATE("Show warning messages"), 434 new BMessage(VIEW_MSG_SET_SHOWREADERRORBOX)); 435 if (fSettings->SetGetBool(JPEG_SET_SHOWREADWARNING, NULL)) 436 fShowErrorBox->SetValue(B_CONTROL_ON); 437 438 float padding = 5.0f; 439 440 BLayoutBuilder::Group<>(this, B_VERTICAL, padding) 441 .SetInsets(padding) 442 .Add(fAlwaysRGB32) 443 .Add(fPhotoshopCMYK) 444 .Add(fShowErrorBox) 445 .AddGlue(); 446} 447 448 449TranslatorReadView::~TranslatorReadView() 450{ 451 fSettings->Release(); 452} 453 454 455void 456TranslatorReadView::AttachedToWindow() 457{ 458 BView::AttachedToWindow(); 459 460 fAlwaysRGB32->SetTarget(this); 461 fPhotoshopCMYK->SetTarget(this); 462 fShowErrorBox->SetTarget(this); 463} 464 465 466void 467TranslatorReadView::MessageReceived(BMessage* message) 468{ 469 switch (message->what) { 470 case VIEW_MSG_SET_ALWAYSRGB32: 471 { 472 int32 value; 473 if (message->FindInt32("be:value", &value) == B_OK) { 474 bool boolValue = value; 475 fSettings->SetGetBool(JPEG_SET_ALWAYS_RGB32, &boolValue); 476 fSettings->SaveSettings(); 477 } 478 break; 479 } 480 case VIEW_MSG_SET_PHOTOSHOPCMYK: 481 { 482 int32 value; 483 if (message->FindInt32("be:value", &value) == B_OK) { 484 bool boolValue = value; 485 fSettings->SetGetBool(JPEG_SET_PHOTOSHOP_CMYK, &boolValue); 486 fSettings->SaveSettings(); 487 } 488 break; 489 } 490 case VIEW_MSG_SET_SHOWREADERRORBOX: 491 { 492 int32 value; 493 if (message->FindInt32("be:value", &value) == B_OK) { 494 bool boolValue = value; 495 fSettings->SetGetBool(JPEG_SET_SHOWREADWARNING, &boolValue); 496 fSettings->SaveSettings(); 497 } 498 break; 499 } 500 default: 501 BView::MessageReceived(message); 502 break; 503 } 504} 505 506 507// #pragma mark - TranslatorWriteView 508 509 510TranslatorWriteView::TranslatorWriteView(const char* name, 511 TranslatorSettings* settings) 512 : 513 BView(name, 0, new BGroupLayout(B_VERTICAL)), 514 fSettings(settings) 515 // settings should already be Acquired() 516{ 517 fQualitySlider = new SSlider("quality", B_TRANSLATE("Output quality"), 518 new BMessage(VIEW_MSG_SET_QUALITY), 0, 100); 519 fQualitySlider->SetHashMarks(B_HASH_MARKS_BOTTOM); 520 fQualitySlider->SetHashMarkCount(10); 521 fQualitySlider->SetLimitLabels(B_TRANSLATE("Low"), B_TRANSLATE("High")); 522 fQualitySlider->SetValue(fSettings->SetGetInt32(JPEG_SET_QUALITY, NULL)); 523 524 fSmoothingSlider = new SSlider("smoothing", 525 B_TRANSLATE("Output smoothing strength"), 526 new BMessage(VIEW_MSG_SET_SMOOTHING), 0, 100); 527 fSmoothingSlider->SetHashMarks(B_HASH_MARKS_BOTTOM); 528 fSmoothingSlider->SetHashMarkCount(10); 529 fSmoothingSlider->SetLimitLabels(B_TRANSLATE("None"), B_TRANSLATE("High")); 530 fSmoothingSlider->SetValue( 531 fSettings->SetGetInt32(JPEG_SET_SMOOTHING, NULL)); 532 533 fProgress = new BCheckBox("progress", 534 B_TRANSLATE("Use progressive compression"), 535 new BMessage(VIEW_MSG_SET_PROGRESSIVE)); 536 if (fSettings->SetGetBool(JPEG_SET_PROGRESSIVE, NULL)) 537 fProgress->SetValue(B_CONTROL_ON); 538 539 fSmallerFile = new BCheckBox("smallerfile", 540 B_TRANSLATE("Make file smaller (sligthtly worse quality)"), 541 new BMessage(VIEW_MSG_SET_SMALLERFILE)); 542 if (fSettings->SetGetBool(JPEG_SET_SMALL_FILES)) 543 fSmallerFile->SetValue(B_CONTROL_ON); 544 545 fOptimizeColors = new BCheckBox("optimizecolors", 546 B_TRANSLATE("Prevent colors 'washing out'"), 547 new BMessage(VIEW_MSG_SET_OPTIMIZECOLORS)); 548 if (fSettings->SetGetBool(JPEG_SET_OPT_COLORS, NULL)) 549 fOptimizeColors->SetValue(B_CONTROL_ON); 550 else 551 fSmallerFile->SetEnabled(false); 552 553 fGrayAsRGB24 = new BCheckBox("gray1asrgb24", 554 B_TRANSLATE("Write black-and-white images as RGB24"), 555 new BMessage(VIEW_MSG_SET_GRAY1ASRGB24)); 556 if (fSettings->SetGetBool(JPEG_SET_GRAY1_AS_RGB24)) 557 fGrayAsRGB24->SetValue(B_CONTROL_ON); 558 559 float padding = 5.0f; 560 BLayoutBuilder::Group<>(this, B_VERTICAL, padding) 561 .SetInsets(padding) 562 .Add(fQualitySlider) 563 .Add(fSmoothingSlider) 564 .Add(fProgress) 565 .Add(fOptimizeColors) 566 .Add(fSmallerFile) 567 .Add(fGrayAsRGB24) 568 .AddGlue(); 569} 570 571 572TranslatorWriteView::~TranslatorWriteView() 573{ 574 fSettings->Release(); 575} 576 577 578void 579TranslatorWriteView::AttachedToWindow() 580{ 581 BView::AttachedToWindow(); 582 583 fQualitySlider->SetTarget(this); 584 fSmoothingSlider->SetTarget(this); 585 fProgress->SetTarget(this); 586 fOptimizeColors->SetTarget(this); 587 fSmallerFile->SetTarget(this); 588 fGrayAsRGB24->SetTarget(this); 589} 590 591 592void 593TranslatorWriteView::MessageReceived(BMessage* message) 594{ 595 switch (message->what) { 596 case VIEW_MSG_SET_QUALITY: 597 { 598 int32 value; 599 if (message->FindInt32("be:value", &value) == B_OK) { 600 fSettings->SetGetInt32(JPEG_SET_QUALITY, &value); 601 fSettings->SaveSettings(); 602 } 603 break; 604 } 605 case VIEW_MSG_SET_SMOOTHING: 606 { 607 int32 value; 608 if (message->FindInt32("be:value", &value) == B_OK) { 609 fSettings->SetGetInt32(JPEG_SET_SMOOTHING, &value); 610 fSettings->SaveSettings(); 611 } 612 break; 613 } 614 case VIEW_MSG_SET_PROGRESSIVE: 615 { 616 int32 value; 617 if (message->FindInt32("be:value", &value) == B_OK) { 618 bool boolValue = value; 619 fSettings->SetGetBool(JPEG_SET_PROGRESSIVE, &boolValue); 620 fSettings->SaveSettings(); 621 } 622 break; 623 } 624 case VIEW_MSG_SET_OPTIMIZECOLORS: 625 { 626 int32 value; 627 if (message->FindInt32("be:value", &value) == B_OK) { 628 bool boolValue = value; 629 fSettings->SetGetBool(JPEG_SET_OPT_COLORS, &boolValue); 630 fSmallerFile->SetEnabled(value); 631 fSettings->SaveSettings(); 632 } 633 break; 634 } 635 case VIEW_MSG_SET_SMALLERFILE: 636 { 637 int32 value; 638 if (message->FindInt32("be:value", &value) == B_OK) { 639 bool boolValue = value; 640 fSettings->SetGetBool(JPEG_SET_SMALL_FILES, &boolValue); 641 fSettings->SaveSettings(); 642 } 643 break; 644 } 645 case VIEW_MSG_SET_GRAY1ASRGB24: 646 { 647 int32 value; 648 if (message->FindInt32("be:value", &value) == B_OK) { 649 bool boolValue = value; 650 fSettings->SetGetBool(JPEG_SET_GRAY1_AS_RGB24, &boolValue); 651 fSettings->SaveSettings(); 652 } 653 break; 654 } 655 default: 656 BView::MessageReceived(message); 657 break; 658 } 659} 660 661 662// #pragma mark - 663 664 665TranslatorAboutView::TranslatorAboutView(const char* name) 666 : 667 BView(name, 0, new BGroupLayout(B_VERTICAL)) 668{ 669 BAlignment labelAlignment = BAlignment(B_ALIGN_LEFT, B_ALIGN_TOP); 670 BStringView* title = new BStringView("Title", sTranslatorName); 671 title->SetFont(be_bold_font); 672 title->SetExplicitAlignment(labelAlignment); 673 674 char versionString[16]; 675 sprintf(versionString, "v%d.%d.%d", (int)(sTranslatorVersion >> 8), 676 (int)((sTranslatorVersion >> 4) & 0xf), (int)(sTranslatorVersion & 0xf)); 677 678 BStringView* version = new BStringView("Version", versionString); 679 version->SetExplicitAlignment(labelAlignment); 680 681 BTextView* infoView = new BTextView("info"); 682 infoView->SetText(sTranslatorInfo); 683 infoView->SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR)); 684 infoView->MakeEditable(false); 685 686 float padding = 5.0f; 687 BLayoutBuilder::Group<>(this, B_VERTICAL, padding) 688 .SetInsets(padding) 689 .AddGroup(B_HORIZONTAL, padding) 690 .Add(title) 691 .Add(version) 692 .AddGlue() 693 .End() 694 .Add(infoView); 695} 696 697 698TranslatorView::TranslatorView(const char* name, TranslatorSettings* settings) 699 : 700 BTabView(name) 701{ 702 AddTab(new TranslatorWriteView(B_TRANSLATE("Write"), settings->Acquire())); 703 AddTab(new TranslatorReadView(B_TRANSLATE("Read"), settings->Acquire())); 704 AddTab(new TranslatorAboutView(B_TRANSLATE("About"))); 705 706 settings->Release(); 707 708 BFont font; 709 GetFont(&font); 710 SetExplicitPreferredSize( 711 BSize((font.Size() * 380) / 12, (font.Size() * 250) / 12)); 712} 713 714 715// #pragma mark - Translator Add-On 716 717 718BView* 719JPEGTranslator::NewConfigView(TranslatorSettings* settings) 720{ 721 BView* configView = new TranslatorView("TranslatorView", settings); 722 return configView; 723} 724 725 726/*! Determine whether or not we can handle this data */ 727status_t 728JPEGTranslator::DerivedIdentify(BPositionIO* inSource, 729 const translation_format* inFormat, BMessage* ioExtension, 730 translator_info* outInfo, uint32 outType) 731{ 732 if (outType != 0 && outType != B_TRANSLATOR_BITMAP && outType != JPEG_FORMAT) 733 return B_NO_TRANSLATOR; 734 735 // !!! You might need to make this buffer bigger to test for your native format 736 off_t position = inSource->Position(); 737 char header[sizeof(TranslatorBitmap)]; 738 status_t err = inSource->Read(header, sizeof(TranslatorBitmap)); 739 inSource->Seek(position, SEEK_SET); 740 if (err < B_OK) 741 return err; 742 743 if (B_BENDIAN_TO_HOST_INT32(((TranslatorBitmap *)header)->magic) == B_TRANSLATOR_BITMAP) { 744 if (PopulateInfoFromFormat(outInfo, B_TRANSLATOR_BITMAP) != B_OK) 745 return B_NO_TRANSLATOR; 746 } else { 747 // First 3 bytes in jpg files are always the same from what i've seen so far 748 // check them 749 if (header[0] == (char)0xff && header[1] == (char)0xd8 && header[2] == (char)0xff) { 750 if (PopulateInfoFromFormat(outInfo, JPEG_FORMAT) != B_OK) 751 return B_NO_TRANSLATOR; 752 753 } else 754 return B_NO_TRANSLATOR; 755 } 756 757 return B_OK; 758} 759 760 761status_t 762JPEGTranslator::DerivedTranslate(BPositionIO* inSource, 763 const translator_info* inInfo, BMessage* ioExtension, uint32 outType, 764 BPositionIO* outDestination, int32 baseType) 765{ 766 // If no specific type was requested, convert to the interchange format 767 if (outType == 0) 768 outType = B_TRANSLATOR_BITMAP; 769 770 // Setup a "breakpoint" since throwing exceptions does not seem to work 771 // at all in an add-on. (?) 772 // In the be_jerror.cpp we implement a handler for critical library errors 773 // (be_error_exit()) and there we use the longjmp() function to return to 774 // this place. If this happens, it is as if the setjmp() call is called 775 // a second time, but this time the return value will be 1. The first 776 // invokation will return 0. 777 jmp_buf longJumpBuffer; 778 int jmpRet = setjmp(longJumpBuffer); 779 if (jmpRet == 1) 780 return B_ERROR; 781 782 try { 783 // What action to take, based on the findings of Identify() 784 if (outType == inInfo->type) { 785 return Copy(inSource, outDestination); 786 } else if (inInfo->type == B_TRANSLATOR_BITMAP 787 && outType == JPEG_FORMAT) { 788 return Compress(inSource, outDestination, &longJumpBuffer); 789 } else if (inInfo->type == JPEG_FORMAT 790 && outType == B_TRANSLATOR_BITMAP) { 791 return Decompress(inSource, outDestination, ioExtension, 792 &longJumpBuffer); 793 } 794 } catch (...) { 795 syslog(LOG_ERR, "libjpeg encountered a critical error (caught C++ " 796 "exception).\n"); 797 return B_ERROR; 798 } 799 800 return B_NO_TRANSLATOR; 801} 802 803 804/*! The user has requested the same format for input and output, so just copy */ 805status_t 806JPEGTranslator::Copy(BPositionIO* in, BPositionIO* out) 807{ 808 int block_size = 65536; 809 void* buffer = malloc(block_size); 810 char temp[1024]; 811 if (buffer == NULL) { 812 buffer = temp; 813 block_size = 1024; 814 } 815 status_t err = B_OK; 816 817 // Read until end of file or error 818 while (1) { 819 ssize_t to_read = block_size; 820 err = in->Read(buffer, to_read); 821 // Explicit check for EOF 822 if (err == -1) { 823 if (buffer != temp) free(buffer); 824 return B_OK; 825 } 826 if (err <= B_OK) break; 827 to_read = err; 828 err = out->Write(buffer, to_read); 829 if (err != to_read) if (err >= 0) err = B_DEVICE_FULL; 830 if (err < B_OK) break; 831 } 832 833 if (buffer != temp) free(buffer); 834 return (err >= 0) ? B_OK : err; 835} 836 837 838/*! Encode into the native format */ 839status_t 840JPEGTranslator::Compress(BPositionIO* in, BPositionIO* out, 841 const jmp_buf* longJumpBuffer) 842{ 843 using namespace conversion; 844 845 // Read info about bitmap 846 TranslatorBitmap header; 847 status_t err = in->Read(&header, sizeof(TranslatorBitmap)); 848 if (err < B_OK) 849 return err; 850 else if (err < (int)sizeof(TranslatorBitmap)) 851 return B_ERROR; 852 853 // Grab dimension, color space, and size information from the stream 854 BRect bounds; 855 bounds.left = B_BENDIAN_TO_HOST_FLOAT(header.bounds.left); 856 bounds.top = B_BENDIAN_TO_HOST_FLOAT(header.bounds.top); 857 bounds.right = B_BENDIAN_TO_HOST_FLOAT(header.bounds.right); 858 bounds.bottom = B_BENDIAN_TO_HOST_FLOAT(header.bounds.bottom); 859 860 int32 in_row_bytes = B_BENDIAN_TO_HOST_INT32(header.rowBytes); 861 862 int width = bounds.IntegerWidth() + 1; 863 int height = bounds.IntegerHeight() + 1; 864 865 // Function pointer to convert function 866 // It will point to proper function if needed 867 void (*converter)(uchar* inscanline, uchar* outscanline, 868 int32 inRowBytes) = NULL; 869 870 // Default color info 871 J_COLOR_SPACE jpg_color_space = JCS_RGB; 872 int jpg_input_components = 3; 873 int32 out_row_bytes; 874 int padding = 0; 875 876 switch ((color_space)B_BENDIAN_TO_HOST_INT32(header.colors)) { 877 case B_CMAP8: 878 converter = convert_from_cmap8_to_24; 879 padding = in_row_bytes - width; 880 break; 881 882 case B_GRAY1: 883 if (fSettings->SetGetBool(JPEG_SET_GRAY1_AS_RGB24, NULL)) { 884 converter = convert_from_gray1_to_24; 885 } else { 886 jpg_input_components = 1; 887 jpg_color_space = JCS_GRAYSCALE; 888 converter = convert_from_gray1_to_gray8; 889 } 890 padding = in_row_bytes - (width / 8); 891 break; 892 893 case B_GRAY8: 894 jpg_input_components = 1; 895 jpg_color_space = JCS_GRAYSCALE; 896 padding = in_row_bytes - width; 897 break; 898 899 case B_RGB15: 900 case B_RGBA15: 901 converter = convert_from_15_to_24; 902 padding = in_row_bytes - (width * 2); 903 break; 904 905 case B_RGB15_BIG: 906 case B_RGBA15_BIG: 907 converter = convert_from_15b_to_24; 908 padding = in_row_bytes - (width * 2); 909 break; 910 911 case B_RGB16: 912 converter = convert_from_16_to_24; 913 padding = in_row_bytes - (width * 2); 914 break; 915 916 case B_RGB16_BIG: 917 converter = convert_from_16b_to_24; 918 padding = in_row_bytes - (width * 2); 919 break; 920 921 case B_RGB24: 922 converter = convert_from_24_to_24; 923 padding = in_row_bytes - (width * 3); 924 break; 925 926 case B_RGB24_BIG: 927 padding = in_row_bytes - (width * 3); 928 break; 929 930 case B_RGB32: 931 case B_RGBA32: 932 converter = convert_from_32_to_24; 933 padding = in_row_bytes - (width * 4); 934 break; 935 936 case B_RGB32_BIG: 937 case B_RGBA32_BIG: 938 converter = convert_from_32b_to_24; 939 padding = in_row_bytes - (width * 4); 940 break; 941 942 case B_CMYK32: 943 jpg_color_space = JCS_CMYK; 944 jpg_input_components = 4; 945 padding = in_row_bytes - (width * 4); 946 break; 947 948 default: 949 syslog(LOG_ERR, "Wrong type: Color space not implemented.\n"); 950 return B_ERROR; 951 } 952 out_row_bytes = jpg_input_components * width; 953 954 // Set basic things needed for jpeg writing 955 struct jpeg_compress_struct cinfo; 956 struct jpeg_error_mgr jerr; 957 cinfo.err = be_jpeg_std_error(&jerr, fSettings, longJumpBuffer); 958 jpeg_create_compress(&cinfo); 959 be_jpeg_stdio_dest(&cinfo, out); 960 961 // Set basic values 962 cinfo.image_width = width; 963 cinfo.image_height = height; 964 cinfo.input_components = jpg_input_components; 965 cinfo.in_color_space = jpg_color_space; 966 jpeg_set_defaults(&cinfo); 967 968 // Set better accuracy 969 cinfo.dct_method = JDCT_ISLOW; 970 971 // This is needed to prevent some colors loss 972 // With it generated jpegs are as good as from Fireworks (at last! :D) 973 if (fSettings->SetGetBool(JPEG_SET_OPT_COLORS, NULL)) { 974 int index = 0; 975 while (index < cinfo.num_components) { 976 cinfo.comp_info[index].h_samp_factor = 1; 977 cinfo.comp_info[index].v_samp_factor = 1; 978 // This will make file smaller, but with worse quality more or less 979 // like with 93%-94% (but it's subjective opinion) on tested images 980 // but with smaller size (between 92% and 93% on tested images) 981 if (fSettings->SetGetBool(JPEG_SET_SMALL_FILES)) 982 cinfo.comp_info[index].quant_tbl_no = 1; 983 // This will make bigger file, but also better quality ;] 984 // from my tests it seems like useless - better quality with smaller 985 // can be acheived without this 986// cinfo.comp_info[index].dc_tbl_no = 1; 987// cinfo.comp_info[index].ac_tbl_no = 1; 988 index++; 989 } 990 } 991 992 // Set quality 993 jpeg_set_quality(&cinfo, fSettings->SetGetInt32(JPEG_SET_QUALITY, NULL), true); 994 995 // Set progressive compression if needed 996 // if not, turn on optimizing in libjpeg 997 if (fSettings->SetGetBool(JPEG_SET_PROGRESSIVE, NULL)) 998 jpeg_simple_progression(&cinfo); 999 else 1000 cinfo.optimize_coding = TRUE; 1001 1002 // Set smoothing (effect like Blur) 1003 cinfo.smoothing_factor = fSettings->SetGetInt32(JPEG_SET_SMOOTHING, NULL); 1004 1005 // Initialize compression 1006 jpeg_start_compress(&cinfo, TRUE); 1007 1008 // Declare scanlines 1009 JSAMPROW in_scanline = NULL; 1010 JSAMPROW out_scanline = NULL; 1011 JSAMPROW writeline; 1012 // Pointer to in_scanline (default) or out_scanline (if there will be conversion) 1013 1014 // Allocate scanline 1015 // Use libjpeg memory allocation functions, so in case of error it will free them itself 1016 in_scanline = (unsigned char *)(cinfo.mem->alloc_large)((j_common_ptr)&cinfo, 1017 JPOOL_PERMANENT, in_row_bytes); 1018 1019 // We need 2nd scanline storage ony for conversion 1020 if (converter != NULL) { 1021 // There will be conversion, allocate second scanline... 1022 // Use libjpeg memory allocation functions, so in case of error it will free them itself 1023 out_scanline = (unsigned char *)(cinfo.mem->alloc_large)((j_common_ptr)&cinfo, 1024 JPOOL_PERMANENT, out_row_bytes); 1025 // ... and make it the one to write to file 1026 writeline = out_scanline; 1027 } else 1028 writeline = in_scanline; 1029 1030 while (cinfo.next_scanline < cinfo.image_height) { 1031 // Read scanline 1032 err = in->Read(in_scanline, in_row_bytes); 1033 if (err < in_row_bytes) 1034 return err < B_OK ? Error((j_common_ptr)&cinfo, err) 1035 : Error((j_common_ptr)&cinfo, B_ERROR); 1036 1037 // Convert if needed 1038 if (converter != NULL) 1039 converter(in_scanline, out_scanline, in_row_bytes - padding); 1040 1041 // Write scanline 1042 jpeg_write_scanlines(&cinfo, &writeline, 1); 1043 } 1044 1045 jpeg_finish_compress(&cinfo); 1046 jpeg_destroy_compress(&cinfo); 1047 return B_OK; 1048} 1049 1050 1051/*! Decode the native format */ 1052status_t 1053JPEGTranslator::Decompress(BPositionIO* in, BPositionIO* out, 1054 BMessage* ioExtension, const jmp_buf* longJumpBuffer) 1055{ 1056 using namespace conversion; 1057 1058 // Set basic things needed for jpeg reading 1059 struct jpeg_decompress_struct cinfo; 1060 struct jpeg_error_mgr jerr; 1061 cinfo.err = be_jpeg_std_error(&jerr, fSettings, longJumpBuffer); 1062 jpeg_create_decompress(&cinfo); 1063 be_jpeg_stdio_src(&cinfo, in); 1064 1065 jpeg_save_markers(&cinfo, MARKER_EXIF, 131072); 1066 // make sure the EXIF tag is stored 1067 1068 // Read info about image 1069 jpeg_read_header(&cinfo, TRUE); 1070 1071 BMessage exif; 1072 1073 // parse EXIF data and add it ioExtension, if any 1074 jpeg_marker_struct* marker = cinfo.marker_list; 1075 while (marker != NULL) { 1076 if (marker->marker == MARKER_EXIF 1077 && !strncmp((char*)marker->data, "Exif", 4)) { 1078 if (ioExtension != NULL) { 1079 // Strip EXIF header from TIFF data 1080 ioExtension->AddData("exif", B_RAW_TYPE, 1081 (uint8*)marker->data + 6, marker->data_length - 6); 1082 } 1083 1084 BMemoryIO io(marker->data + 6, marker->data_length - 6); 1085 convert_exif_to_message(io, exif); 1086 } 1087 marker = marker->next; 1088 } 1089 1090 // Default color info 1091 color_space outColorSpace = B_RGB32; 1092 int outColorComponents = 4; 1093 1094 // Function pointer to convert function 1095 // It will point to proper function if needed 1096 void (*converter)(uchar* inScanLine, uchar* outScanLine, 1097 int32 inRowBytes, int32 xStep) = convert_from_24_to_32; 1098 1099 // If color space isn't rgb 1100 if (cinfo.out_color_space != JCS_RGB) { 1101 switch (cinfo.out_color_space) { 1102 case JCS_UNKNOWN: /* error/unspecified */ 1103 syslog(LOG_ERR, "From Type: Jpeg uses unknown color type\n"); 1104 break; 1105 case JCS_GRAYSCALE: /* monochrome */ 1106 // Check if user wants to read only as RGB32 or not 1107 if (!fSettings->SetGetBool(JPEG_SET_ALWAYS_RGB32, NULL)) { 1108 // Grayscale 1109 outColorSpace = B_GRAY8; 1110 outColorComponents = 1; 1111 converter = translate_8; 1112 } else { 1113 // RGB 1114 cinfo.out_color_space = JCS_RGB; 1115 cinfo.output_components = 3; 1116 converter = convert_from_24_to_32; 1117 } 1118 break; 1119 case JCS_YCbCr: /* Y/Cb/Cr (also known as YUV) */ 1120 cinfo.out_color_space = JCS_RGB; 1121 converter = convert_from_24_to_32; 1122 break; 1123 case JCS_YCCK: /* Y/Cb/Cr/K */ 1124 // Let libjpeg convert it to CMYK 1125 cinfo.out_color_space = JCS_CMYK; 1126 // Fall through to CMYK since we need the same settings 1127 case JCS_CMYK: /* C/M/Y/K */ 1128 // Use proper converter 1129 if (fSettings->SetGetBool(JPEG_SET_PHOTOSHOP_CMYK)) 1130 converter = convert_from_CMYK_to_32_photoshop; 1131 else 1132 converter = convert_from_CMYK_to_32; 1133 break; 1134 default: 1135 syslog(LOG_ERR, 1136 "From Type: Jpeg uses hmm... i don't know really :(\n"); 1137 break; 1138 } 1139 } 1140 1141 // Initialize decompression 1142 jpeg_start_decompress(&cinfo); 1143 1144 // retrieve orientation from settings/EXIF 1145 int32 orientation; 1146 if (ioExtension == NULL 1147 || ioExtension->FindInt32("exif:orientation", &orientation) != B_OK) { 1148 if (exif.FindInt32("Orientation", &orientation) != B_OK) 1149 orientation = 1; 1150 } 1151 1152 if (orientation != 1 && converter == NULL) 1153 converter = translate_8; 1154 1155 int32 outputWidth = orientation > 4 ? cinfo.output_height : cinfo.output_width; 1156 int32 outputHeight = orientation > 4 ? cinfo.output_width : cinfo.output_height; 1157 1158 int32 destOffset = dest_index(outputWidth, outputHeight, 1159 0, 0, orientation) * outColorComponents; 1160 int32 xStep = dest_index(outputWidth, outputHeight, 1161 1, 0, orientation) * outColorComponents - destOffset; 1162 int32 yStep = dest_index(outputWidth, outputHeight, 1163 0, 1, orientation) * outColorComponents - destOffset; 1164 bool needAll = orientation != 1; 1165 1166 // Initialize this bounds rect to the size of your image 1167 BRect bounds(0, 0, outputWidth - 1, outputHeight - 1); 1168 1169#if 0 1170printf("destOffset = %ld, xStep = %ld, yStep = %ld, input: %ld x %ld, output: %ld x %ld, orientation %ld\n", 1171 destOffset, xStep, yStep, (int32)cinfo.output_width, (int32)cinfo.output_height, 1172 bounds.IntegerWidth() + 1, bounds.IntegerHeight() + 1, orientation); 1173#endif 1174 1175 // Bytes count in one line of image (scanline) 1176 int32 inRowBytes = cinfo.output_width * cinfo.output_components; 1177 int32 rowBytes = (bounds.IntegerWidth() + 1) * outColorComponents; 1178 int32 dataSize = cinfo.output_width * cinfo.output_height 1179 * outColorComponents; 1180 1181 // Fill out the B_TRANSLATOR_BITMAP's header 1182 TranslatorBitmap header; 1183 header.magic = B_HOST_TO_BENDIAN_INT32(B_TRANSLATOR_BITMAP); 1184 header.bounds.left = B_HOST_TO_BENDIAN_FLOAT(bounds.left); 1185 header.bounds.top = B_HOST_TO_BENDIAN_FLOAT(bounds.top); 1186 header.bounds.right = B_HOST_TO_BENDIAN_FLOAT(bounds.right); 1187 header.bounds.bottom = B_HOST_TO_BENDIAN_FLOAT(bounds.bottom); 1188 header.colors = (color_space)B_HOST_TO_BENDIAN_INT32(outColorSpace); 1189 header.rowBytes = B_HOST_TO_BENDIAN_INT32(rowBytes); 1190 header.dataSize = B_HOST_TO_BENDIAN_INT32(dataSize); 1191 1192 // Write out the header 1193 status_t err = out->Write(&header, sizeof(TranslatorBitmap)); 1194 if (err < B_OK) 1195 return Error((j_common_ptr)&cinfo, err); 1196 else if (err < (int)sizeof(TranslatorBitmap)) 1197 return Error((j_common_ptr)&cinfo, B_ERROR); 1198 1199 // Declare scanlines 1200 JSAMPROW inScanLine = NULL; 1201 uint8* dest = NULL; 1202 uint8* destLine = NULL; 1203 1204 // Allocate scanline 1205 // Use libjpeg memory allocation functions, so in case of error it will free them itself 1206 inScanLine = (unsigned char *)(cinfo.mem->alloc_large)((j_common_ptr)&cinfo, 1207 JPOOL_PERMANENT, inRowBytes); 1208 1209 // We need 2nd scanline storage only for conversion 1210 if (converter != NULL) { 1211 // There will be conversion, allocate second scanline... 1212 // Use libjpeg memory allocation functions, so in case of error it will 1213 // free them itself 1214 dest = (uint8*)(cinfo.mem->alloc_large)((j_common_ptr)&cinfo, 1215 JPOOL_PERMANENT, needAll ? dataSize : rowBytes); 1216 destLine = dest + destOffset; 1217 } else 1218 destLine = inScanLine; 1219 1220 while (cinfo.output_scanline < cinfo.output_height) { 1221 // Read scanline 1222 jpeg_read_scanlines(&cinfo, &inScanLine, 1); 1223 1224 // Convert if needed 1225 if (converter != NULL) 1226 converter(inScanLine, destLine, inRowBytes, xStep); 1227 1228 if (!needAll) { 1229 // Write the scanline buffer to the output stream 1230 ssize_t bytesWritten = out->Write(destLine, rowBytes); 1231 if (bytesWritten < rowBytes) { 1232 return bytesWritten < B_OK 1233 ? Error((j_common_ptr)&cinfo, bytesWritten) 1234 : Error((j_common_ptr)&cinfo, B_ERROR); 1235 } 1236 } else 1237 destLine += yStep; 1238 } 1239 1240 if (needAll) { 1241 ssize_t bytesWritten = out->Write(dest, dataSize); 1242 if (bytesWritten < dataSize) { 1243 return bytesWritten < B_OK 1244 ? Error((j_common_ptr)&cinfo, bytesWritten) 1245 : Error((j_common_ptr)&cinfo, B_ERROR); 1246 } 1247 } 1248 1249 jpeg_finish_decompress(&cinfo); 1250 jpeg_destroy_decompress(&cinfo); 1251 return B_OK; 1252} 1253 1254/*! have the other PopulateInfoFromFormat() check both inputFormats & outputFormats */ 1255status_t 1256JPEGTranslator::PopulateInfoFromFormat(translator_info* info, 1257 uint32 formatType, translator_id id) 1258{ 1259 int32 formatCount; 1260 const translation_format* formats = OutputFormats(&formatCount); 1261 for (int i = 0; i <= 1 ;formats = InputFormats(&formatCount), i++) { 1262 if (PopulateInfoFromFormat(info, formatType, 1263 formats, formatCount) == B_OK) { 1264 info->translator = id; 1265 return B_OK; 1266 } 1267 } 1268 1269 return B_ERROR; 1270} 1271 1272 1273status_t 1274JPEGTranslator::PopulateInfoFromFormat(translator_info* info, 1275 uint32 formatType, const translation_format* formats, int32 formatCount) 1276{ 1277 for (int i = 0; i < formatCount; i++) { 1278 if (formats[i].type == formatType) { 1279 info->type = formatType; 1280 info->group = formats[i].group; 1281 info->quality = formats[i].quality; 1282 info->capability = formats[i].capability; 1283 BString str1(formats[i].name); 1284 str1.ReplaceFirst("Be Bitmap Format (JPEGTranslator)", 1285 B_TRANSLATE("Be Bitmap Format (JPEGTranslator)")); 1286 strncpy(info->name, str1.String(), sizeof(info->name)); 1287 strcpy(info->MIME, formats[i].MIME); 1288 return B_OK; 1289 } 1290 } 1291 1292 return B_ERROR; 1293} 1294 1295/*! 1296 Frees jpeg alocated memory 1297 Returns given error (B_ERROR by default) 1298*/ 1299status_t 1300JPEGTranslator::Error(j_common_ptr cinfo, status_t error) 1301{ 1302 jpeg_destroy(cinfo); 1303 return error; 1304} 1305 1306 1307JPEGTranslator::JPEGTranslator() 1308 : BaseTranslator(sTranslatorName, sTranslatorInfo, sTranslatorVersion, 1309 sInputFormats, kNumInputFormats, 1310 sOutputFormats, kNumOutputFormats, 1311 SETTINGS_FILE, 1312 sDefaultSettings, kNumDefaultSettings, 1313 B_TRANSLATOR_BITMAP, JPEG_FORMAT) 1314{} 1315 1316 1317BTranslator* 1318make_nth_translator(int32 n, image_id you, uint32 flags, ...) 1319{ 1320 if (n == 0) 1321 return new JPEGTranslator(); 1322 1323 return NULL; 1324} 1325 1326 1327int 1328main(int, char**) 1329{ 1330 BApplication app("application/x-vnd.Haiku-JPEGTranslator"); 1331 JPEGTranslator* translator = new JPEGTranslator(); 1332 if (LaunchTranslatorWindow(translator, sTranslatorName) == B_OK) 1333 app.Run(); 1334 1335 return 0; 1336} 1337 1338