All files / roosterjs-content-model-plugins/lib/imageEdit/utils updateWrapper.ts

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
1x
1x
1x
1x
1x
1x
 
 
1x
 
 
 
 
 
 
 
 
 
 
 
1x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
140x
 
20x
20x
 
 
 
 
 
 
 
 
 
120x
 
20x
20x
20x
20x
20x
20x
 
 
20x
20x
20x
 
 
 
20x
 
 
 
 
 
 
20x
 
 
 
20x
20x
20x
20x
 
 
20x
20x
 
20x
 
20x
 
 
20x
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
20x
16x
16x
 
16x
 
16x
 
128x
128x
 
 
 
128x
 
 
128x
 
16x
16x
 
 
16x
 
 
 
import { doubleCheckResize } from './doubleCheckResize';
import { getGeneratedImageSize } from './generateImageSize';
import { ImageEditElementClass } from '../types/ImageEditElementClass';
import { isElementOfType, isNodeOfType, toArray } from 'roosterjs-content-model-dom';
import { updateHandleCursor } from './updateHandleCursor';
import { updateSideHandlesVisibility } from '../Resizer/updateSideHandlesVisibility';
import type { ImageEditOptions } from '../types/ImageEditOptions';
import type { ImageMetadataFormat } from 'roosterjs-content-model-types';
import {
    getPx,
    isASmallImage,
    isRTL,
    setFlipped,
    setSize,
    setWrapperSizeDimensions,
} from './imageEditUtils';
 
/**
 * @internal
 */
export function updateWrapper(
    editInfo: ImageMetadataFormat,
    options: ImageEditOptions,
    image: HTMLImageElement,
    clonedImage: HTMLImageElement,
    wrapper: HTMLSpanElement,
    resizers?: HTMLDivElement[],
    croppers?: HTMLDivElement[]
) {
    const {
        angleRad,
        bottomPercent,
        leftPercent,
        rightPercent,
        topPercent,
        flippedHorizontal,
        flippedVertical,
    } = editInfo;
 
    const generateImageSize = getGeneratedImageSize(editInfo, croppers && croppers?.length > 0);
    Iif (!generateImageSize) {
        return;
    }
    const {
        targetWidth,
        targetHeight,
        originalWidth,
        originalHeight,
        visibleWidth,
        visibleHeight,
    } = generateImageSize;
 
    const marginHorizontal = (targetWidth - visibleWidth) / 2;
    const marginVertical = (targetHeight - visibleHeight) / 2;
    const cropLeftPx = originalWidth * (leftPercent || 0);
    const cropRightPx = originalWidth * (rightPercent || 0);
    const cropTopPx = originalHeight * (topPercent || 0);
    const cropBottomPx = originalHeight * (bottomPercent || 0);
 
    // Update size and margin of the wrapper
    wrapper.style.margin = `${marginVertical}px ${marginHorizontal}px`;
    wrapper.style.transform = `rotate(${angleRad}rad)`;
    setWrapperSizeDimensions(wrapper, image, visibleWidth, visibleHeight);
 
    // Update the text-alignment to avoid the image to overflow if the parent element have align center or right
    // or if the direction is Right To Left
    Iif (isRTL(clonedImage)) {
        wrapper.style.textAlign = 'right';
        if (!croppers) {
            clonedImage.style.left = getPx(cropLeftPx);
            clonedImage.style.right = getPx(-cropRightPx);
        }
    } else {
        wrapper.style.textAlign = 'left';
    }
 
    // Update size of the image
    clonedImage.style.width = getPx(originalWidth);
    clonedImage.style.height = getPx(originalHeight);
    clonedImage.style.verticalAlign = 'bottom';
    clonedImage.style.position = 'absolute';
 
    //Update flip direction
    setFlipped(clonedImage.parentElement, flippedHorizontal, flippedVertical);
    const smallImage = isASmallImage(visibleWidth, visibleWidth);
 
    Eif (!croppers) {
        // For rotate/resize, set the margin of the image so that cropped part won't be visible
        clonedImage.style.margin = `${-cropTopPx}px 0 0 ${-cropLeftPx}px`;
    }
 
    Iif (croppers && croppers.length > 0) {
        const cropContainer = croppers[0];
        const cropOverlays = croppers.filter(
            cropper => cropper.className === ImageEditElementClass.CropOverlay
        );
        const cropHandles = toArray<HTMLElement>(
            cropContainer.querySelectorAll(`.${ImageEditElementClass.CropHandle}`)
        );
 
        setSize(
            cropContainer,
            cropLeftPx,
            cropTopPx,
            cropRightPx,
            cropBottomPx,
            undefined,
            undefined
        );
        setSize(cropOverlays[0], 0, 0, cropRightPx, undefined, undefined, cropTopPx);
        setSize(cropOverlays[1], undefined, 0, 0, cropBottomPx, cropRightPx, undefined);
        setSize(cropOverlays[2], cropLeftPx, undefined, 0, 0, undefined, cropBottomPx);
        setSize(cropOverlays[3], 0, cropTopPx, undefined, 0, cropLeftPx, undefined);
 
        if (angleRad !== undefined) {
            updateHandleCursor(cropHandles, angleRad);
        }
    }
 
    if (resizers) {
        const clientWidth = wrapper.clientWidth;
        const clientHeight = wrapper.clientHeight;
 
        doubleCheckResize(editInfo, options.preserveRatio || false, clientWidth, clientHeight);
 
        const resizeHandles = resizers
            .map(resizer => {
                const resizeHandle = resizer.firstElementChild;
                Eif (
                    isNodeOfType(resizeHandle, 'ELEMENT_NODE') &&
                    isElementOfType(resizeHandle, 'div')
                ) {
                    return resizeHandle;
                }
            })
            .filter(handle => !!handle) as HTMLDivElement[];
 
        Eif (angleRad !== undefined) {
            updateHandleCursor(resizeHandles, angleRad);
        }
 
        updateSideHandlesVisibility(resizeHandles, smallImage);
    }
}