深度画布更改

This commit is contained in:
lzp
2026-03-19 11:00:31 +08:00
parent e9fb8a3c1d
commit 1e8625ef49
5 changed files with 59 additions and 47 deletions

View File

@@ -1,5 +1,5 @@
import { fabric } from 'fabric-with-all'
import { ref } from 'vue'
import { ref, computed } from 'vue'
import { createCanvas } from '../tools/canvasFactory'
import { AnimationManager } from './AnimationManager'
import { detectDeviceType } from '../tools/index'
@@ -44,10 +44,6 @@ export class CanvasManager {
eventManager: any
deviceInfo: any
canvas: any
canvasViewWidth: number
canvasViewHeight: number
canvasWidth: number
canvasHeight: number
currentZoom: any
constructor(options) {
this.stateManager = options.stateManager;
@@ -55,23 +51,31 @@ export class CanvasManager {
this.currentZoom = ref(100)
}
onMounted() { }
getCanvasSize() {
return {
canvasViewWidth: this.canvas.width,
canvasViewHeight: this.canvas.height,
canvasWidth: this.canvas.clipPath.width,
canvasHeight: this.canvas.clipPath.height,
}
}
setCanvasViewSize(options) {
this.canvasViewWidth = options.canvasViewWidth || 1920
this.canvasViewHeight = options.canvasViewHeight || 1080
this.canvas.setWidth(this.canvasViewWidth)
this.canvas.setHeight(this.canvasViewHeight)
var canvasViewWidth = options.canvasViewWidth || 1920
var canvasViewHeight = options.canvasViewHeight || 1080
this.canvas.setWidth(canvasViewWidth)
this.canvas.setHeight(canvasViewHeight)
}
/** 初始化画布 */
async initCanvas(options: CanvasInitOptions) {
this.layerManager = this.stateManager.layerManager
this.canvasWidth = options.canvasWidth || 750
this.canvasHeight = options.canvasHeight || 600
var canvasWidth = options.canvasWidth || 750
var canvasHeight = options.canvasHeight || 600
var image = null;
if (options.url) {
await new Promise((resolve) => {
fabric.Image.fromURL(options.url, async (img) => {
this.canvasWidth = img.width
this.canvasHeight = img.height
canvasWidth = img.width
canvasHeight = img.height
img.set({
left: 0,
top: 0,
@@ -104,8 +108,8 @@ export class CanvasManager {
this.canvas.clipPath = new fabric.Rect({
left: 0,
top: 0,
width: this.canvasWidth,
height: this.canvasHeight
width: canvasWidth,
height: canvasHeight
})
// 动画管理器
@@ -121,12 +125,12 @@ export class CanvasManager {
this.setupBrushEvents()
/** 测试-开始 */
this.stateManager.setIsRecord(false)
const rect = await this.layerManager.createRectLayer({ left: 200 })
await this.layerManager.createStarLayer({ left: 400 })
await this.layerManager.createArrowLayer({ left: 600 })
this.layerManager.setActiveID(rect.info.id)
this.stateManager.setIsRecord(true)
// this.stateManager.setIsRecord(false)
// const rect = await this.layerManager.createRectLayer({ left: 200 })
// await this.layerManager.createStarLayer({ left: 400 })
// await this.layerManager.createArrowLayer({ left: 600 })
// this.layerManager.setActiveID(rect.info.id)
// this.stateManager.setIsRecord(true)
/** 测试-结束 */
this.resetZoom(false, true)// 画布居中
@@ -266,18 +270,22 @@ export class CanvasManager {
return JSON.stringify(json)
}
/** 加载画布JSON */
loadJSON(json: string, callback?: (success: boolean) => void) {
let jsonObj = null;
try {
jsonObj = JSON.parse(json)
} catch (error) {
console.error('JSON解析错误:', error)
}
if (!jsonObj) return callback?.(false);
this.canvas.loadFromJSON(jsonObj, () => {
this.layerManager.updateLayers()
this.renderAll()
callback?.(true)
loadJSON(json: string) {
return new Promise((resolve) => {
let jsonObj = null;
try {
jsonObj = JSON.parse(json)
} catch (error) {
console.error('JSON解析错误:', error)
}
if (!jsonObj) return resolve(false)
this.canvas.loadFromJSON(jsonObj, () => {
this.resetZoom(false)
this.layerManager.updateLayers()
this.renderAll()
resolve(true)
})
})
}
/** 导出画布为处理图片的JSON */