1/* 2 * Copyright (c) 2021-2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16/** 17 * Use the DrawableDescriptor class to get drawable image. 18 * 19 * @syscap SystemCapability.ArkUI.ArkUI.Full 20 * @since 10 21 */ 22declare type DrawableDescriptor = import ('../api/@ohos.arkui.drawableDescriptor').DrawableDescriptor; 23 24/** 25 * @enum { number } 26 * @syscap SystemCapability.ArkUI.ArkUI.Full 27 * @since 7 28 */ 29/** 30 * @enum { number } 31 * @syscap SystemCapability.ArkUI.ArkUI.Full 32 * @since 9 33 * @form 34 */ 35/** 36 * @enum { number } 37 * @syscap SystemCapability.ArkUI.ArkUI.Full 38 * @crossplatform 39 * @since 10 40 * @form 41 */ 42declare enum ImageRenderMode { 43 /** 44 * Render according to the original image, including colors. 45 * 46 * @syscap SystemCapability.ArkUI.ArkUI.Full 47 * @since 7 48 */ 49 /** 50 * Render according to the original image, including colors. 51 * 52 * @syscap SystemCapability.ArkUI.ArkUI.Full 53 * @since 9 54 * @form 55 */ 56 /** 57 * Render according to the original image, including colors. 58 * 59 * @syscap SystemCapability.ArkUI.ArkUI.Full 60 * @crossplatform 61 * @since 10 62 * @form 63 */ 64 Original, 65 66 /** 67 * Render the image as a template image, ignoring the color information of the image. 68 * 69 * @syscap SystemCapability.ArkUI.ArkUI.Full 70 * @since 7 71 */ 72 /** 73 * Render the image as a template image, ignoring the color information of the image. 74 * 75 * @syscap SystemCapability.ArkUI.ArkUI.Full 76 * @since 9 77 * @form 78 */ 79 /** 80 * Render the image as a template image, ignoring the color information of the image. 81 * 82 * @syscap SystemCapability.ArkUI.ArkUI.Full 83 * @crossplatform 84 * @since 10 85 * @form 86 */ 87 Template, 88} 89 90/** 91 * @enum { number } 92 * @syscap SystemCapability.ArkUI.ArkUI.Full 93 * @since 7 94 */ 95/** 96 * @enum { number } 97 * @syscap SystemCapability.ArkUI.ArkUI.Full 98 * @since 9 99 * @form 100 */ 101/** 102 * @enum { number } 103 * @syscap SystemCapability.ArkUI.ArkUI.Full 104 * @crossplatform 105 * @since 10 106 * @form 107 */ 108declare enum ImageInterpolation { 109 /** 110 * Do not use interpolated image data. 111 * 112 * @syscap SystemCapability.ArkUI.ArkUI.Full 113 * @since 7 114 */ 115 /** 116 * Do not use interpolated image data. 117 * 118 * @syscap SystemCapability.ArkUI.ArkUI.Full 119 * @since 9 120 * @form 121 */ 122 /** 123 * Do not use interpolated image data. 124 * 125 * @syscap SystemCapability.ArkUI.ArkUI.Full 126 * @crossplatform 127 * @since 10 128 * @form 129 */ 130 None, 131 132 /** 133 * Low usage of interpolated image data. 134 * 135 * @syscap SystemCapability.ArkUI.ArkUI.Full 136 * @since 7 137 */ 138 /** 139 * Low usage of interpolated image data. 140 * 141 * @syscap SystemCapability.ArkUI.ArkUI.Full 142 * @since 9 143 * @form 144 */ 145 /** 146 * Low usage of interpolated image data. 147 * 148 * @syscap SystemCapability.ArkUI.ArkUI.Full 149 * @crossplatform 150 * @since 10 151 * @form 152 */ 153 Low, 154 155 /** 156 * Interpolated image data is used moderately. 157 * 158 * @syscap SystemCapability.ArkUI.ArkUI.Full 159 * @since 7 160 */ 161 /** 162 * Interpolated image data is used moderately. 163 * 164 * @syscap SystemCapability.ArkUI.ArkUI.Full 165 * @since 9 166 * @form 167 */ 168 /** 169 * Interpolated image data is used moderately. 170 * 171 * @syscap SystemCapability.ArkUI.ArkUI.Full 172 * @crossplatform 173 * @since 10 174 * @form 175 */ 176 Medium, 177 178 /** 179 * High usage of interpolated image data may affect the speed of image rendering. 180 * 181 * @syscap SystemCapability.ArkUI.ArkUI.Full 182 * @since 7 183 */ 184 /** 185 * High usage of interpolated image data may affect the speed of image rendering. 186 * 187 * @syscap SystemCapability.ArkUI.ArkUI.Full 188 * @since 9 189 * @form 190 */ 191 /** 192 * High usage of interpolated image data may affect the speed of image rendering. 193 * 194 * @syscap SystemCapability.ArkUI.ArkUI.Full 195 * @crossplatform 196 * @since 10 197 * @form 198 */ 199 High, 200} 201 202/** 203 * @interface ImageInterface 204 * @syscap SystemCapability.ArkUI.ArkUI.Full 205 * @since 7 206 */ 207/** 208 * @interface ImageInterface 209 * @syscap SystemCapability.ArkUI.ArkUI.Full 210 * @since 9 211 * @form 212 */ 213/** 214 * @interface ImageInterface 215 * @syscap SystemCapability.ArkUI.ArkUI.Full 216 * @crossplatform 217 * @since 10 218 * @form 219 */ 220interface ImageInterface { 221 /** 222 * Set src to obtain images. 223 * 224 * @param { PixelMap | ResourceStr | DrawableDescriptor } src 225 * @returns { ImageAttribute } 226 * @syscap SystemCapability.ArkUI.ArkUI.Full 227 * @since 7 228 */ 229 /** 230 * Set src to obtain images 231 * 232 * @param { PixelMap | ResourceStr | DrawableDescriptor } src 233 * @returns { ImageAttribute } 234 * @syscap SystemCapability.ArkUI.ArkUI.Full 235 * @since 9 236 * @form 237 */ 238 /** 239 * Set src to obtain images 240 * 241 * @param { PixelMap | ResourceStr | DrawableDescriptor } src 242 * @returns { ImageAttribute } 243 * @syscap SystemCapability.ArkUI.ArkUI.Full 244 * @crossplatform 245 * @since 10 246 * @form 247 */ 248 (src: PixelMap | ResourceStr | DrawableDescriptor): ImageAttribute; 249} 250 251/** 252 * @extends CommonMethod<ImageAttribute> 253 * @syscap SystemCapability.ArkUI.ArkUI.Full 254 * @since 7 255 */ 256/** 257 * @extends CommonMethod<ImageAttribute> 258 * @syscap SystemCapability.ArkUI.ArkUI.Full 259 * @since 9 260 * @form 261 */ 262/** 263 * @extends CommonMethod<ImageAttribute> 264 * @syscap SystemCapability.ArkUI.ArkUI.Full 265 * @crossplatform 266 * @since 10 267 * @form 268 */ 269declare class ImageAttribute extends CommonMethod<ImageAttribute> { 270 /** 271 * Placeholder displayed on load 272 * 273 * @param { string | Resource } value 274 * @returns { ImageAttribute } 275 * @syscap SystemCapability.ArkUI.ArkUI.Full 276 * @since 7 277 */ 278 /** 279 * Placeholder displayed on load 280 * 281 * @param { string | Resource } value 282 * @returns { ImageAttribute } 283 * @syscap SystemCapability.ArkUI.ArkUI.Full 284 * @since 9 285 * @form 286 */ 287 /** 288 * Placeholder displayed on load 289 * 290 * @param { string | Resource } value 291 * @returns { ImageAttribute } 292 * @syscap SystemCapability.ArkUI.ArkUI.Full 293 * @crossplatform 294 * @since 10 295 * @form 296 */ 297 alt(value: string | Resource): ImageAttribute; 298 299 /** 300 * match Text Direction 301 * 302 * @param { boolean } value 303 * @returns { ImageAttribute } 304 * @syscap SystemCapability.ArkUI.ArkUI.Full 305 * @since 7 306 */ 307 /** 308 * match Text Direction 309 * 310 * @param { boolean } value 311 * @returns { ImageAttribute } 312 * @syscap SystemCapability.ArkUI.ArkUI.Full 313 * @since 9 314 * @form 315 */ 316 /** 317 * match Text Direction 318 * 319 * @param { boolean } value 320 * @returns { ImageAttribute } 321 * @syscap SystemCapability.ArkUI.ArkUI.Full 322 * @crossplatform 323 * @since 10 324 * @form 325 */ 326 matchTextDirection(value: boolean): ImageAttribute; 327 328 /** 329 * Indicates whether the image follows the text direction. 330 * 331 * @param { boolean } value 332 * @returns { ImageAttribute } 333 * @syscap SystemCapability.ArkUI.ArkUI.Full 334 * @since 7 335 */ 336 /** 337 * Indicates whether the image follows the text direction. 338 * 339 * @param { boolean } value 340 * @returns { ImageAttribute } 341 * @syscap SystemCapability.ArkUI.ArkUI.Full 342 * @since 9 343 * @form 344 */ 345 /** 346 * Indicates whether the image follows the text direction. 347 * 348 * @param { boolean } value 349 * @returns { ImageAttribute } 350 * @syscap SystemCapability.ArkUI.ArkUI.Full 351 * @crossplatform 352 * @since 10 353 * @form 354 */ 355 fitOriginalSize(value: boolean): ImageAttribute; 356 357 /** 358 * fill Color 359 * 360 * @param { ResourceColor } value 361 * @returns { ImageAttribute } 362 * @syscap SystemCapability.ArkUI.ArkUI.Full 363 * @since 7 364 */ 365 /** 366 * fill Color 367 * 368 * @param { ResourceColor } value 369 * @returns { ImageAttribute } 370 * @syscap SystemCapability.ArkUI.ArkUI.Full 371 * @since 9 372 * @form 373 */ 374 /** 375 * fill Color 376 * 377 * @param { ResourceColor } value 378 * @returns { ImageAttribute } 379 * @syscap SystemCapability.ArkUI.ArkUI.Full 380 * @crossplatform 381 * @since 10 382 * @form 383 */ 384 fillColor(value: ResourceColor): ImageAttribute; 385 386 /** 387 * Sets the zoom type of an image. 388 * 389 * @param { ImageFit } value 390 * @returns { ImageAttribute } 391 * @syscap SystemCapability.ArkUI.ArkUI.Full 392 * @since 7 393 */ 394 /** 395 * Sets the zoom type of an image. 396 * 397 * @param { ImageFit } value 398 * @returns { ImageAttribute } 399 * @syscap SystemCapability.ArkUI.ArkUI.Full 400 * @since 9 401 * @form 402 */ 403 /** 404 * Sets the zoom type of an image. 405 * 406 * @param { ImageFit } value 407 * @returns { ImageAttribute } 408 * @syscap SystemCapability.ArkUI.ArkUI.Full 409 * @crossplatform 410 * @since 10 411 * @form 412 */ 413 objectFit(value: ImageFit): ImageAttribute; 414 415 /** 416 * Set the repeat style of the picture 417 * 418 * @param { ImageRepeat } value 419 * @returns { ImageAttribute } 420 * @syscap SystemCapability.ArkUI.ArkUI.Full 421 * @since 7 422 */ 423 /** 424 * Set the repeat style of the picture 425 * 426 * @param { ImageRepeat } value 427 * @returns { ImageAttribute } 428 * @syscap SystemCapability.ArkUI.ArkUI.Full 429 * @since 9 430 * @form 431 */ 432 /** 433 * Set the repeat style of the picture 434 * 435 * @param { ImageRepeat } value 436 * @returns { ImageAttribute } 437 * @syscap SystemCapability.ArkUI.ArkUI.Full 438 * @crossplatform 439 * @since 10 440 * @form 441 */ 442 objectRepeat(value: ImageRepeat): ImageAttribute; 443 444 /** 445 * Set the auto style of the picture 446 * 447 * @param { boolean } value 448 * @returns { ImageAttribute } 449 * @syscap SystemCapability.ArkUI.ArkUI.Full 450 * @since 7 451 */ 452 /** 453 * Set the auto style of the picture 454 * 455 * @param { boolean } value 456 * @returns { ImageAttribute } 457 * @syscap SystemCapability.ArkUI.ArkUI.Full 458 * @since 9 459 * @form 460 */ 461 /** 462 * Set the auto style of the picture 463 * 464 * @param { boolean } value 465 * @returns { ImageAttribute } 466 * @syscap SystemCapability.ArkUI.ArkUI.Full 467 * @crossplatform 468 * @since 10 469 * @form 470 */ 471 autoResize(value: boolean): ImageAttribute; 472 473 /** 474 * Sets the image rendering mode. 475 * 476 * @param { ImageRenderMode } value 477 * @returns { ImageAttribute } 478 * @syscap SystemCapability.ArkUI.ArkUI.Full 479 * @since 7 480 */ 481 /** 482 * Sets the image rendering mode. 483 * 484 * @param { ImageRenderMode } value 485 * @returns { ImageAttribute } 486 * @syscap SystemCapability.ArkUI.ArkUI.Full 487 * @since 9 488 * @form 489 */ 490 /** 491 * Sets the image rendering mode. 492 * 493 * @param { ImageRenderMode } value 494 * @returns { ImageAttribute } 495 * @syscap SystemCapability.ArkUI.ArkUI.Full 496 * @crossplatform 497 * @since 10 498 * @form 499 */ 500 renderMode(value: ImageRenderMode): ImageAttribute; 501 502 /** 503 * Sets the interpolation effect of an image. The interpolation effect is only magnified for the image. 504 * 505 * @param { ImageInterpolation } value 506 * @returns { ImageAttribute } 507 * @syscap SystemCapability.ArkUI.ArkUI.Full 508 * @since 7 509 */ 510 /** 511 * Sets the interpolation effect of an image. The interpolation effect is only magnified for the image. 512 * 513 * @param { ImageInterpolation } value 514 * @returns { ImageAttribute } 515 * @syscap SystemCapability.ArkUI.ArkUI.Full 516 * @since 9 517 * @form 518 */ 519 /** 520 * Sets the interpolation effect of an image. The interpolation effect is only magnified for the image. 521 * 522 * @param { ImageInterpolation } value 523 * @returns { ImageAttribute } 524 * @syscap SystemCapability.ArkUI.ArkUI.Full 525 * @crossplatform 526 * @since 10 527 * @form 528 */ 529 interpolation(value: ImageInterpolation): ImageAttribute; 530 531 /** 532 * Specifies the picture decoding size. 533 * The original picture is decoded into a picture of a specified size. The unit of the number type is px. 534 * 535 * @param { object } value 536 * @returns { ImageAttribute } 537 * @syscap SystemCapability.ArkUI.ArkUI.Full 538 * @since 7 539 */ 540 /** 541 * Specifies the picture decoding size. 542 * The original picture is decoded into a picture of a specified size. The unit of the number type is px. 543 * 544 * @param { object } value 545 * @returns { ImageAttribute } 546 * @syscap SystemCapability.ArkUI.ArkUI.Full 547 * @since 9 548 * @form 549 */ 550 /** 551 * Specifies the picture decoding size. 552 * The original picture is decoded into a picture of a specified size. The unit of the number type is px. 553 * 554 * @param { object } value 555 * @returns { ImageAttribute } 556 * @syscap SystemCapability.ArkUI.ArkUI.Full 557 * @crossplatform 558 * @since 10 559 * @form 560 */ 561 sourceSize(value: { width: number; height: number }): ImageAttribute; 562 563 /** 564 * Sets the synchronous or asynchronous mode for image loading. 565 * The default parameter type is bool, and the default value is false. 566 * 567 * @param { boolean } value 568 * @returns { ImageAttribute } 569 * @syscap SystemCapability.ArkUI.ArkUI.Full 570 * @since 8 571 */ 572 /** 573 * Sets the synchronous or asynchronous mode for image loading. 574 * The default parameter type is bool, and the default value is false. 575 * 576 * @param { boolean } value 577 * @returns { ImageAttribute } 578 * @syscap SystemCapability.ArkUI.ArkUI.Full 579 * @since 9 580 * @form 581 */ 582 /** 583 * Sets the synchronous or asynchronous mode for image loading. 584 * The default parameter type is bool, and the default value is false. 585 * 586 * @param { boolean } value 587 * @returns { ImageAttribute } 588 * @syscap SystemCapability.ArkUI.ArkUI.Full 589 * @crossplatform 590 * @since 10 591 * @form 592 */ 593 syncLoad(value: boolean): ImageAttribute; 594 595 /** 596 * Sets the color filter effect on the image. 597 * 598 * @param { ColorFilter } value ColorFilter object. 599 * @returns { ImageAttribute } 600 * @syscap SystemCapability.ArkUI.ArkUI.Full 601 * @since 9 602 * @form 603 */ 604 /** 605 * Sets the color filter effect on the image. 606 * 607 * @param { ColorFilter } value ColorFilter object. 608 * @returns { ImageAttribute } 609 * @syscap SystemCapability.ArkUI.ArkUI.Full 610 * @crossplatform 611 * @since 10 612 * @form 613 */ 614 colorFilter(value: ColorFilter): ImageAttribute; 615 616 /** 617 * Allow replication. 618 * 619 * @param { CopyOptions } value 620 * @returns { ImageAttribute } 621 * @syscap SystemCapability.ArkUI.ArkUI.Full 622 * @since 9 623 * @form 624 */ 625 /** 626 * Allow replication. 627 * 628 * @param { CopyOptions } value 629 * @returns { ImageAttribute } 630 * @syscap SystemCapability.ArkUI.ArkUI.Full 631 * @crossplatform 632 * @since 10 633 * @form 634 */ 635 copyOption(value: CopyOptions): ImageAttribute; 636 637 /** 638 * Enable image dragging. 639 * Default value is false. 640 * 641 * @param { boolean } value 642 * @returns { ImageAttribute } 643 * @syscap SystemCapability.ArkUI.ArkUI.Full 644 * @since 9 645 * @form 646 */ 647 draggable(value: boolean): ImageAttribute; 648 649 /** 650 * This callback is triggered when an image is successfully loaded. 651 * The size of the image source that is successfully loaded is returned, in pixels. 652 * 653 * @param { function } callback 654 * @returns { ImageAttribute } 655 * @syscap SystemCapability.ArkUI.ArkUI.Full 656 * @since 7 657 */ 658 /** 659 * This callback is triggered when an image is successfully loaded. 660 * The size of the image source that is successfully loaded is returned, in pixels. 661 * 662 * @param { function } callback 663 * @returns { ImageAttribute } 664 * @syscap SystemCapability.ArkUI.ArkUI.Full 665 * @since 9 666 * @form 667 */ 668 /** 669 * This callback is triggered when an image is successfully loaded. 670 * The size of the image source that is successfully loaded is returned, in pixels. 671 * 672 * @param { function } callback 673 * @returns { ImageAttribute } 674 * @syscap SystemCapability.ArkUI.ArkUI.Full 675 * @crossplatform 676 * @since 10 677 * @form 678 */ 679 onComplete( 680 callback: (event?: { 681 width: number; 682 height: number; 683 componentWidth: number; 684 componentHeight: number; 685 loadingStatus: number; 686 contentWidth: number; 687 contentHeight: number; 688 contentOffsetX: number; 689 contentOffsetY: number; 690 }) => void, 691 ): ImageAttribute; 692 693 /** 694 * This callback is triggered when an exception occurs during image loading. 695 * 696 * @param { function } callback 697 * @returns { ImageAttribute } 698 * @syscap SystemCapability.ArkUI.ArkUI.Full 699 * @since 7 700 */ 701 /** 702 * This callback is triggered when an exception occurs during image loading. 703 * 704 * @param { function } callback 705 * @returns { ImageAttribute } 706 * @syscap SystemCapability.ArkUI.ArkUI.Full 707 * @since 9 708 * @form 709 */ 710 /** 711 * This callback is triggered when an exception occurs during image loading. 712 * 713 * @param { function } callback 714 * @returns { ImageAttribute } 715 * @syscap SystemCapability.ArkUI.ArkUI.Full 716 * @crossplatform 717 * @since 10 718 * @form 719 */ 720 onError(callback: (event: { 721 /** 722 * Component width. 723 * 724 * @type { number } 725 * @syscap SystemCapability.ArkUI.ArkUI.Full 726 * @crossplatform 727 * @since 10 728 * @form 729 */ 730 componentWidth: number; 731 732 /** 733 * Component height. 734 * 735 * @type { number } 736 * @syscap SystemCapability.ArkUI.ArkUI.Full 737 * @crossplatform 738 * @since 10 739 * @form 740 */ 741 componentHeight: number 742 }) => void): ImageAttribute; 743 744 /** 745 * This callback is triggered when an exception occurs during image loading. 746 * The field of "message" carries the detailed information of failed image loading. 747 * 748 * @param { function } callback 749 * @returns { ImageAttribute } 750 * @syscap SystemCapability.ArkUI.ArkUI.Full 751 * @since 9 752 * @form 753 */ 754 /** 755 * This callback is triggered when an exception occurs during image loading. 756 * The field of "message" carries the detailed information of failed image loading. 757 * 758 * @param { function } callback 759 * @returns { ImageAttribute } 760 * @syscap SystemCapability.ArkUI.ArkUI.Full 761 * @crossplatform 762 * @since 10 763 * @form 764 */ 765 onError(callback: (event: { 766 /** 767 * Component width. 768 * 769 * @type { number } 770 * @syscap SystemCapability.ArkUI.ArkUI.Full 771 * @crossplatform 772 * @since 10 773 * @form 774 */ 775 componentWidth: number; 776 777 /** 778 * Component height. 779 * 780 * @type { number } 781 * @syscap SystemCapability.ArkUI.ArkUI.Full 782 * @crossplatform 783 * @since 10 784 * @form 785 */ 786 componentHeight: number; 787 788 /** 789 * Message. 790 * 791 * @type { string } 792 * @syscap SystemCapability.ArkUI.ArkUI.Full 793 * @crossplatform 794 * @since 10 795 * @form 796 */ 797 message: string 798 }) => void): ImageAttribute; 799 800 /** 801 * When the loaded source file is a svg image, this callback is triggered when the playback of the svg image is complete. 802 * If the svg image is a wireless loop image, this callback is not triggered. 803 * 804 * @param { function } event 805 * @returns { ImageAttribute } 806 * @syscap SystemCapability.ArkUI.ArkUI.Full 807 * @since 7 808 */ 809 /** 810 * When the loaded source file is a svg image, this callback is triggered when the playback of the svg image is complete. 811 * If the svg image is a wireless loop image, this callback is not triggered. 812 * 813 * @param { function } event 814 * @returns { ImageAttribute } 815 * @syscap SystemCapability.ArkUI.ArkUI.Full 816 * @since 9 817 * @form 818 */ 819 /** 820 * When the loaded source file is a svg image, this callback is triggered when the playback of the svg image is complete. 821 * If the svg image is a wireless loop image, this callback is not triggered. 822 * 823 * @param { function } event 824 * @returns { ImageAttribute } 825 * @syscap SystemCapability.ArkUI.ArkUI.Full 826 * @crossplatform 827 * @since 10 828 * @form 829 */ 830 onFinish(event: () => void): ImageAttribute; 831} 832 833/** 834 * Defines Image Component. 835 * 836 * @syscap SystemCapability.ArkUI.ArkUI.Full 837 * @since 7 838 */ 839/** 840 * Defines Image Component. 841 * 842 * @syscap SystemCapability.ArkUI.ArkUI.Full 843 * @since 9 844 * @form 845 */ 846/** 847 * Defines Image Component. 848 * 849 * @syscap SystemCapability.ArkUI.ArkUI.Full 850 * @crossplatform 851 * @since 10 852 * @form 853 */ 854declare const Image: ImageInterface; 855 856/** 857 * Defines Image Component instance. 858 * 859 * @syscap SystemCapability.ArkUI.ArkUI.Full 860 * @since 7 861 */ 862/** 863 * Defines Image Component instance. 864 * 865 * @syscap SystemCapability.ArkUI.ArkUI.Full 866 * @since 9 867 * @form 868 */ 869/** 870 * Defines Image Component instance. 871 * 872 * @syscap SystemCapability.ArkUI.ArkUI.Full 873 * @crossplatform 874 * @since 10 875 * @form 876 */ 877declare const ImageInstance: ImageAttribute; 878