|
|
@@ -1,44 +1,99 @@
|
|
|
-import { ref } from 'vue'
|
|
|
import throttle from 'lodash/throttle'
|
|
|
|
|
|
-// * 屏幕缩放适配
|
|
|
-export const usePreviewScale = (
|
|
|
+// 拆出来是为了更好的分离单独复用
|
|
|
+
|
|
|
+// * 屏幕缩放适配(两边留白)
|
|
|
+export const usePreviewFitScale = (
|
|
|
width: number,
|
|
|
height: number,
|
|
|
- scaleDom: HTMLElement | null
|
|
|
+ scaleDom: HTMLElement | null,
|
|
|
+ callback?: (scale: {
|
|
|
+ width: number;
|
|
|
+ height: number;
|
|
|
+ }) => void
|
|
|
) => {
|
|
|
- // * 指向最外层容器(没生效不知道为啥)
|
|
|
- const appRef = ref()
|
|
|
-
|
|
|
- // * 屏幕尺寸(px)
|
|
|
+ // * 画布尺寸(px)
|
|
|
const baseWidth = width
|
|
|
const baseHeight = height
|
|
|
|
|
|
// * 默认缩放值
|
|
|
const scale = {
|
|
|
- width: '1',
|
|
|
- height: '1',
|
|
|
+ width: 1,
|
|
|
+ height: 1,
|
|
|
}
|
|
|
|
|
|
// * 需保持的比例
|
|
|
const baseProportion = parseFloat((baseWidth / baseHeight).toFixed(5))
|
|
|
const calcRate = () => {
|
|
|
- // 当前宽高比
|
|
|
+ // 当前屏幕宽高比
|
|
|
const currentRate = parseFloat(
|
|
|
(window.innerWidth / window.innerHeight).toFixed(5)
|
|
|
)
|
|
|
if (scaleDom) {
|
|
|
if (currentRate > baseProportion) {
|
|
|
// 表示更宽
|
|
|
- scale.width = ((window.innerHeight * baseProportion) / baseWidth).toFixed(5)
|
|
|
- scale.height = (window.innerHeight / baseHeight).toFixed(5)
|
|
|
+ scale.width = parseFloat(((window.innerHeight * baseProportion) / baseWidth).toFixed(5))
|
|
|
+ scale.height = parseFloat((window.innerHeight / baseHeight).toFixed(5))
|
|
|
scaleDom.style.transform = `scale(${scale.width}, ${scale.height})`
|
|
|
} else {
|
|
|
// 表示更高
|
|
|
- scale.height = (window.innerWidth / baseProportion / baseHeight).toFixed(5)
|
|
|
- scale.width = (window.innerWidth / baseWidth).toFixed(5)
|
|
|
+ scale.height = parseFloat(((window.innerWidth / baseProportion) / baseHeight).toFixed(5))
|
|
|
+ scale.width = parseFloat((window.innerWidth / baseWidth).toFixed(5))
|
|
|
scaleDom.style.transform = `scale(${scale.width}, ${scale.height})`
|
|
|
}
|
|
|
+ if (callback) callback(scale)
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ const resize = throttle(() => {
|
|
|
+ calcRate()
|
|
|
+ }, 200)
|
|
|
+
|
|
|
+ // * 改变窗口大小重新绘制
|
|
|
+ const windowResize = () => {
|
|
|
+ window.addEventListener('resize', resize)
|
|
|
+ }
|
|
|
+
|
|
|
+ // * 改变窗口大小重新绘制
|
|
|
+ const unWindowResize = () => {
|
|
|
+ window.removeEventListener('resize', resize)
|
|
|
+ }
|
|
|
+
|
|
|
+ return {
|
|
|
+ calcRate,
|
|
|
+ windowResize,
|
|
|
+ unWindowResize,
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+// * X轴撑满,Y轴滚动条
|
|
|
+export const usePreviewScrollYScale = (
|
|
|
+ width: number,
|
|
|
+ height: number,
|
|
|
+ scaleDom: HTMLElement | null,
|
|
|
+ callback?: (scale: {
|
|
|
+ width: number;
|
|
|
+ height: number;
|
|
|
+ }) => void
|
|
|
+) => {
|
|
|
+ // * 画布尺寸(px)
|
|
|
+ const baseWidth = width
|
|
|
+ const baseHeight = height
|
|
|
+
|
|
|
+ // * 默认缩放值
|
|
|
+ const scale = {
|
|
|
+ width: 1,
|
|
|
+ height: 1,
|
|
|
+ }
|
|
|
+
|
|
|
+ // * 需保持的比例
|
|
|
+ const baseProportion = parseFloat((baseWidth / baseHeight).toFixed(5))
|
|
|
+ const calcRate = () => {
|
|
|
+ if (scaleDom) {
|
|
|
+ scale.height = parseFloat(((window.innerWidth / baseProportion) / baseHeight).toFixed(5))
|
|
|
+ scale.width = parseFloat((window.innerWidth / baseWidth).toFixed(5))
|
|
|
+ scaleDom.style.transform = `scale(${scale.width}, ${scale.height})`
|
|
|
+ if (callback) callback(scale)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
@@ -57,9 +112,107 @@ export const usePreviewScale = (
|
|
|
}
|
|
|
|
|
|
return {
|
|
|
- appRef,
|
|
|
calcRate,
|
|
|
windowResize,
|
|
|
unWindowResize,
|
|
|
}
|
|
|
}
|
|
|
+
|
|
|
+// * Y轴撑满,X轴滚动条
|
|
|
+export const usePreviewScrollXScale = (
|
|
|
+ width: number,
|
|
|
+ height: number,
|
|
|
+ scaleDom: HTMLElement | null,
|
|
|
+ callback?: (scale: {
|
|
|
+ width: number;
|
|
|
+ height: number;
|
|
|
+ }) => void
|
|
|
+) => {
|
|
|
+ // * 画布尺寸(px)
|
|
|
+ const baseWidth = width
|
|
|
+ const baseHeight = height
|
|
|
+
|
|
|
+ // * 默认缩放值
|
|
|
+ const scale = {
|
|
|
+ height: 1,
|
|
|
+ width: 1,
|
|
|
+ }
|
|
|
+
|
|
|
+ // * 需保持的比例
|
|
|
+ const baseProportion = parseFloat((baseWidth / baseHeight).toFixed(5))
|
|
|
+ const calcRate = () => {
|
|
|
+ if (scaleDom) {
|
|
|
+ scale.width = parseFloat(((window.innerHeight * baseProportion) / baseWidth).toFixed(5))
|
|
|
+ scale.height = parseFloat((window.innerHeight / baseHeight).toFixed(5))
|
|
|
+ scaleDom.style.transform = `scale(${scale.width}, ${scale.height})`
|
|
|
+ if (callback) callback(scale)
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ const resize = throttle(() => {
|
|
|
+ calcRate()
|
|
|
+ }, 200)
|
|
|
+
|
|
|
+ // * 改变窗口大小重新绘制
|
|
|
+ const windowResize = () => {
|
|
|
+ window.addEventListener('resize', resize)
|
|
|
+ }
|
|
|
+
|
|
|
+ // * 改变窗口大小重新绘制
|
|
|
+ const unWindowResize = () => {
|
|
|
+ window.removeEventListener('resize', resize)
|
|
|
+ }
|
|
|
+
|
|
|
+ return {
|
|
|
+ calcRate,
|
|
|
+ windowResize,
|
|
|
+ unWindowResize,
|
|
|
+ }
|
|
|
+}
|
|
|
+
|
|
|
+// * 变形内容,宽高铺满
|
|
|
+export const usePreviewFullScale = (
|
|
|
+ width: number,
|
|
|
+ height: number,
|
|
|
+ scaleDom: HTMLElement | null,
|
|
|
+ callback?: (scale: {
|
|
|
+ width: number;
|
|
|
+ height: number;
|
|
|
+ }) => void
|
|
|
+) => {
|
|
|
+
|
|
|
+ // * 默认缩放值
|
|
|
+ const scale = {
|
|
|
+ width: 1,
|
|
|
+ height: 1,
|
|
|
+ }
|
|
|
+
|
|
|
+ const calcRate = () => {
|
|
|
+ if (scaleDom) {
|
|
|
+ scale.width = parseFloat((window.innerWidth / width).toFixed(5))
|
|
|
+ scale.height = parseFloat((window.innerHeight / height).toFixed(5))
|
|
|
+ scaleDom.style.transform = `scale(${scale.width}, ${scale.height})`
|
|
|
+ if (callback) callback(scale)
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ const resize = throttle(() => {
|
|
|
+ calcRate()
|
|
|
+ }, 200)
|
|
|
+
|
|
|
+ // * 改变窗口大小重新绘制
|
|
|
+ const windowResize = () => {
|
|
|
+ window.addEventListener('resize', resize)
|
|
|
+ }
|
|
|
+
|
|
|
+ // * 改变窗口大小重新绘制
|
|
|
+ const unWindowResize = () => {
|
|
|
+ window.removeEventListener('resize', resize)
|
|
|
+ }
|
|
|
+
|
|
|
+ return {
|
|
|
+ calcRate,
|
|
|
+ windowResize,
|
|
|
+ unWindowResize,
|
|
|
+ }
|
|
|
+}
|