/*
* Copyright (C) 2024 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the 'License');
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an 'AS IS' BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import {
BlurTransformation,
BrightnessTransformation,
CropSquareTransformation,
CropTransformation,
GrayScaleTransformation,
ImageKnifeComponent,
ImageKnifeOption,
InvertTransformation,
KuwaharaTransformation,
MaskTransformation,
MultiTransTransformation,
PixelationTransformation,
PixelMapTransformation,
SepiaTransformation,
SketchTransformation,
SwirlTransformation,
ToonTransformation,
VignetterTransformation
} from '@ohos/libraryimageknife';
import { collections } from '@kit.ArkTS'
@Entry
@Component
struct ImageTransformation {
@State imageKnifeOption: ImageKnifeOption = {
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r('app.media.loading'),
errorholderSrc: $r('app.media.app_icon'),
objectFit: ImageFit.Contain
}
@State isRound: boolean = false;
@State isContrast: boolean = false;
@State isRotate: boolean = false;
isBlur: boolean = false
isBrightness: boolean = false
isGrayScale: boolean = false;
isInvert: boolean = false;
isToon: boolean = false;
isCropCircle: boolean = false;
isCropCircleWithBorder: boolean = false;
isKuwahara: boolean = false;
isPixelation: boolean = false;
isSketch: boolean = false;
isSwirl: boolean = false;
isVignetter: boolean = false;
isCropSquare: boolean = false;
isCropTop: boolean = false;
isCropCenter: boolean = false;
isCropBottom: boolean = false;
isMask: boolean = false;
isSepia: boolean = false;
build() {
Scroll() {
Column() {
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox1', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isBlur = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Blur_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox2', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isBrightness = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Highlighting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox3', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isGrayScale = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Ashing_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox4', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isInvert = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Inverse_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox5', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isToon = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Animation_filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox6', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropCircle = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Crop_circular_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox7', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropCircleWithBorder = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Crop_circular_with_border_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox8', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isContrast = value;
})
.width(30)
.height(30)
Text($r('app.string.Contrast_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox9', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isSepia = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Black_ink_filtering_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox10', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isRotate = value;
})
.width(30)
.height(30)
Text($r('app.string.Rotate')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox11', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isRound = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Corners')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox12', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isKuwahara = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Kuwahara_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox13', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isPixelation = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Pixelated_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox14', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isSketch = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Sketch_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox15', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isSwirl = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Distortion_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox16', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isVignetter = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Decorative_Filter_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox17', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropSquare = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Square_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox18', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropTop = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Top_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox19', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropCenter = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Middle_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox20', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isCropBottom = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Bottom_cutting_effect')).fontSize(20)
}
Flex({ justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
Checkbox({ name: 'checkbox21', group: 'checkboxGroup' })
.selectedColor(0x39a2db)
.shape(CheckBoxShape.ROUNDED_SQUARE)
.onChange((value: boolean) => {
this.isMask = value;
this.updateImageKnifeOption();
})
.width(30)
.height(30)
Text($r('app.string.Mask_effect')).fontSize(20)
}
if (this.isContrast) {
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
})
.width(300)
.height(300)
.rotate({ angle: this.isRotate ? 90 : 0 })
.contrast(12)
.backgroundColor(Color.Pink)
} else {
ImageKnifeComponent({
imageKnifeOption: this.imageKnifeOption
}).width(300)
.height(300)
.rotate({ angle: this.isRotate ? 90 : 0 })
.backgroundColor(Color.Pink)
}
}
}
.height('100%')
.width('100%')
}
updateImageKnifeOption() {
let transformations: collections.Array<PixelMapTransformation> = new collections.Array<PixelMapTransformation>()
if (this.isBlur) {
transformations.push(new BlurTransformation(5));
}
if (this.isBrightness) {
transformations.push(new BrightnessTransformation(0.2));
}
if (this.isGrayScale) {
transformations.push(new GrayScaleTransformation());
}
if (this.isInvert) {
transformations.push(new InvertTransformation());
}
if (this.isToon) {
transformations.push(new ToonTransformation(0.3, 10.0));
}
if (this.isKuwahara) {
transformations.push(new KuwaharaTransformation(10));
}
if (this.isPixelation) {
transformations.push(new PixelationTransformation(5.0));
}
if (this.isSketch) {
transformations.push(new SketchTransformation());
}
if (this.isSwirl) {
transformations.push(new SwirlTransformation(200, 1.0, [0.5, 0.5]));
}
if (this.isVignetter) {
transformations.push(new VignetterTransformation([0.5, 0.5], [0.0, 0.0, 0.0], [0.3, 0.75]));
}
if (this.isCropSquare) {
transformations.push(new CropSquareTransformation());
}
if (this.isCropTop) {
transformations.push(new CropTransformation(100, 100, 0));
}
if (this.isCropCenter) {
transformations.push(new CropTransformation(100, 100, 1));
}
if (this.isCropBottom) {
transformations.push(new CropTransformation(100, 100, 2));
}
if (this.isSepia) {
transformations.push(new SepiaTransformation());
}
if (this.isMask) {
transformations.push(new MaskTransformation($r('app.media.mask_starfish')));
}
this.imageKnifeOption = {
loadSrc: $r('app.media.pngSample'),
placeholderSrc: $r('app.media.loading'),
errorholderSrc: $r('app.media.app_icon'),
objectFit: ImageFit.Contain,
border: { radius: this.isRound ? { topLeft: 50, bottomRight: 50 } : 0 },
transformation: transformations.length > 0 ? new MultiTransTransformation(transformations) : undefined
}
if (this.isCropCircle) {
this.imageKnifeOption.objectFit = ImageFit.Cover;
this.imageKnifeOption.border = { radius: 150 };
}
if (this.isCropCircleWithBorder) {
this.imageKnifeOption.objectFit = ImageFit.Cover;
this.imageKnifeOption.border = { radius: 150, color: Color.Red, width: 5 };
}
}
}
