| | |
| | | <uv-radio-group v-model="selectedPreset" placement="column" @change="changePreset" labelSize="26rpx"> |
| | | <uv-radio |
| | | class="spec_radio" |
| | | label="无" |
| | | name="__none__"> |
| | | </uv-radio> |
| | | <uv-radio |
| | | class="spec_radio" |
| | | v-for="(item, index) in presetList" |
| | | :key="index" |
| | | :label="'预制动画:'+item.name+'('+item.fpsTotal+'帧)'" |
| | |
| | | <view class="back_btn" v-show="false" @click="popupAnimationClose"> |
| | | <uv-icon name="arrow-leftward" color="#333" size="30"></uv-icon> |
| | | </view> |
| | | <!-- 操作按钮 --> |
| | | <view class="controls" style="left: 30rpx;"> |
| | | <!-- 主操作按钮(收回/操作) - 移动模式下隐藏 --> |
| | | <view class="controls" style="left: 30rpx;" v-if="!showMoveControls && !showMultiMoveControls"> |
| | | <uv-button type="success" :plain="true" :text="showControls ? '收回' : '操作'" @click="toggleControls"></uv-button> |
| | | </view> |
| | | |
| | | <!-- 动画按钮 --> |
| | | <view class="controls" v-if="showControls"> |
| | | <!-- <uv-button type="primary" :plain="true" text="分辨率" @click="changeRatio()"></uv-button> --> |
| | | <!-- 主操作按钮组:颜色、移动、文字、清除、保存 --> |
| | | <view class="controls" v-if="showControls && !showMoveControls && !showMultiMoveControls"> |
| | | <uv-button type="primary" :plain="true" text="颜色" @click="changeColor()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="左移" @click="shiftLeft()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="下移" @click="shiftDown()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="右移" @click="shiftRight()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="单帧移动" @click="enterMoveMode()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="多帧移动" @click="enterMultiMoveMode()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="图片上传" @click="chooseImage()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="文字" @click="addText()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="清除" @click="clear()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="保存" @click="clickSaveData"></uv-button> |
| | | </view> |
| | | |
| | | <!-- 单帧移动按钮组:返回、左移、上移、下移、右移、180度旋转、左右镜像翻转、上下镜像翻转 --> |
| | | <view class="controls" style="left: 30rpx;" v-if="showMoveControls"> |
| | | <uv-button type="primary" :plain="true" text="返回" @click="exitMoveMode()"></uv-button> |
| | | </view> |
| | | <view class="controls move_controls" v-if="showMoveControls"> |
| | | <uv-button type="primary" :plain="true" text="左移" @click="shiftLeft()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="上移" @click="shiftUp()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="下移" @click="shiftDown()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="右移" @click="shiftRight()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="180°旋转" @click="rotate180()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="左右镜像" @click="flipHorizontal()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="上下镜像" @click="flipVertical()"></uv-button> |
| | | </view> |
| | | |
| | | <!-- 多帧移动按钮组:操作对所有帧生效 --> |
| | | <view class="controls" style="left: 30rpx;" v-if="showMultiMoveControls"> |
| | | <uv-button type="primary" :plain="true" text="返回" @click="exitMultiMoveMode()"></uv-button> |
| | | </view> |
| | | <view class="controls move_controls" v-if="showMultiMoveControls"> |
| | | <uv-button type="primary" :plain="true" text="左移" @click="multiShiftLeft()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="上移" @click="multiShiftUp()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="下移" @click="multiShiftDown()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="右移" @click="multiShiftRight()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="180°旋转" @click="multiRotate180()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="左右镜像" @click="multiFlipHorizontal()"></uv-button> |
| | | <uv-button type="primary" :plain="true" text="上下镜像" @click="multiFlipVertical()"></uv-button> |
| | | </view> |
| | | |
| | | <!-- 文字生成图形 --> |
| | | <canvas canvas-id="myCanvas" id="myCanvas" class="canvas" :style="{ width: canvasWidth + 'px', height: canvasHeight + 'px' }"></canvas> |
| | |
| | | previewWidth: 24, |
| | | previewHeight: 12, |
| | | showControls: false, |
| | | scrollLeft: 0, |
| | | showMoveControls: false, // 单帧移动模式按钮组开关 |
| | | showMultiMoveControls: false, // 多帧移动模式按钮组开关 |
| | | scrollLeft: 0, |
| | | textType: 'overwrite', |
| | | tempText: '', |
| | | presetList: [], |
| | |
| | | }) |
| | | }, |
| | | changePreset(val) { |
| | | console.log('changePreset', val) |
| | | // 选择"无":将动画帧复原为空白(保留当前屏幕规格/动画方式/帧数/速度) |
| | | if (val === '__none__') { |
| | | this.fpsList = [] |
| | | this.total = 1 |
| | | this.fpsData = [] |
| | | this.pixelData = [] |
| | | this.gridRect = null |
| | | return |
| | | } |
| | | const preset = this.presetList.find(item => item.name === val) |
| | | if (preset) { |
| | | this.specVal = preset.screen |
| | |
| | | this.$set(this.pixelData, c, lastRow[c]) |
| | | } |
| | | }, |
| | | // 上移一像素:整体内容上移,首行补到末行 |
| | | shiftUp() { |
| | | const colCount = this.width * (this.modeVal == 2 ? 10 : 1) |
| | | const firstRow = this.pixelData.slice(0, colCount) |
| | | for (let r = 0; r < this.height - 1; r++) { |
| | | const currentStart = r * colCount |
| | | const nextStart = (r + 1) * colCount |
| | | for (let c = 0; c < colCount; c++) { |
| | | this.$set(this.pixelData, currentStart + c, this.pixelData[nextStart + c]) |
| | | } |
| | | } |
| | | const lastRowStart = (this.height - 1) * colCount |
| | | for (let c = 0; c < colCount; c++) { |
| | | this.$set(this.pixelData, lastRowStart + c, firstRow[c]) |
| | | } |
| | | }, |
| | | // 180度旋转:整体一维数组反转即可实现180度旋转 |
| | | rotate180() { |
| | | this.pixelData = this.pixelData.slice().reverse() |
| | | }, |
| | | // 左右镜像翻转:每行内部反转 |
| | | flipHorizontal() { |
| | | const colCount = this.width * (this.modeVal == 2 ? 10 : 1) |
| | | const newData = this.pixelData.slice() |
| | | for (let r = 0; r < this.height; r++) { |
| | | const rowStart = r * colCount |
| | | const reversedRow = newData.slice(rowStart, rowStart + colCount).reverse() |
| | | for (let c = 0; c < colCount; c++) { |
| | | newData[rowStart + c] = reversedRow[c] |
| | | } |
| | | } |
| | | this.pixelData = newData |
| | | }, |
| | | // 上下镜像翻转:行顺序反转 |
| | | flipVertical() { |
| | | const colCount = this.width * (this.modeVal == 2 ? 10 : 1) |
| | | let newData = [] |
| | | for (let r = this.height - 1; r >= 0; r--) { |
| | | const rowStart = r * colCount |
| | | newData = newData.concat(this.pixelData.slice(rowStart, rowStart + colCount)) |
| | | } |
| | | this.pixelData = newData |
| | | }, |
| | | // 进入移动模式:隐藏主按钮组,显示移动按钮组 |
| | | enterMoveMode() { |
| | | this.showMoveControls = true |
| | | this.showMultiMoveControls = false |
| | | this.showControls = false |
| | | }, |
| | | // 退出移动模式:恢复主按钮组 |
| | | exitMoveMode() { |
| | | this.showMoveControls = false |
| | | this.showControls = true |
| | | }, |
| | | // 进入多帧移动模式:隐藏主按钮组,显示多帧移动按钮组 |
| | | enterMultiMoveMode() { |
| | | this.showMultiMoveControls = true |
| | | this.showMoveControls = false |
| | | this.showControls = false |
| | | }, |
| | | // 退出多帧移动模式:恢复主按钮组 |
| | | exitMultiMoveMode() { |
| | | this.showMultiMoveControls = false |
| | | this.showControls = true |
| | | }, |
| | | // 对所有已编辑帧执行同一种单帧变换 |
| | | // action: 单帧变换方法名(shiftLeft/shiftUp/shiftDown/shiftRight/rotate180/flipHorizontal/flipVertical) |
| | | applyTransformToAllFrames(action) { |
| | | const currentIndex = this.fpsIndex |
| | | // 以编辑区当前显示的数据(可能包含未保存的修改)作为当前帧的数据源 |
| | | let currentData = this.pixelData ? this.pixelData.slice() : this.pixelData |
| | | for (let i = 0; i < this.fpsList.length; i++) { |
| | | if (i === currentIndex) continue |
| | | const frame = this.fpsList[i] |
| | | if (frame === null || frame === undefined) continue |
| | | // 复用单帧变换逻辑:临时把该帧作为编辑数据执行变换后写回 |
| | | this.pixelData = frame.slice() |
| | | this[action]() |
| | | this.$set(this.fpsList, i, this.pixelData.slice()) |
| | | } |
| | | // 对当前正在编辑的帧执行相同变换,刷新画布显示 |
| | | this.pixelData = currentData.slice() |
| | | this[action]() |
| | | // 当前帧此前已保存过则同步写回,保证所有帧数据一致;未编辑过的帧(null)仍由"保存"按钮写入 |
| | | const stored = this.fpsList[currentIndex] |
| | | if (stored !== null && stored !== undefined) { |
| | | this.$set(this.fpsList, currentIndex, this.pixelData.slice()) |
| | | } |
| | | }, |
| | | // 多帧移动:所有帧同时左移 |
| | | multiShiftLeft() { |
| | | this.applyTransformToAllFrames('shiftLeft') |
| | | }, |
| | | // 多帧移动:所有帧同时上移 |
| | | multiShiftUp() { |
| | | this.applyTransformToAllFrames('shiftUp') |
| | | }, |
| | | // 多帧移动:所有帧同时下移 |
| | | multiShiftDown() { |
| | | this.applyTransformToAllFrames('shiftDown') |
| | | }, |
| | | // 多帧移动:所有帧同时右移 |
| | | multiShiftRight() { |
| | | this.applyTransformToAllFrames('shiftRight') |
| | | }, |
| | | // 多帧移动:所有帧同时180度旋转 |
| | | multiRotate180() { |
| | | this.applyTransformToAllFrames('rotate180') |
| | | }, |
| | | // 多帧移动:所有帧同时左右镜像 |
| | | multiFlipHorizontal() { |
| | | this.applyTransformToAllFrames('flipHorizontal') |
| | | }, |
| | | // 多帧移动:所有帧同时上下镜像 |
| | | multiFlipVertical() { |
| | | this.applyTransformToAllFrames('flipVertical') |
| | | }, |
| | | toggleControls() { |
| | | this.showControls = !this.showControls; |
| | | }, |
| | |
| | | this.$refs.popupAnimation.close(); |
| | | const colCount = this.width * (this.modeVal == 2 ? 10 : 1) |
| | | this.pixelData = new Array(this.height * colCount).fill('') |
| | | // 重置按钮组状态,下次打开回到主操作界面 |
| | | this.showMoveControls = false |
| | | this.showMultiMoveControls = false |
| | | this.showControls = false |
| | | }, |
| | | // 复制当前帧 |
| | | copyFrame(index) { |
| | |
| | | }); |
| | | }, |
| | | |
| | | // 选择图片(相册或拍照) |
| | | chooseImage() { |
| | | uni.chooseImage({ |
| | | count: 1, |
| | | sizeType: ['compressed'], |
| | | sourceType: ['album', 'camera'], |
| | | success: (res) => { |
| | | console.log('chooseImage', JSON.stringify(res)) |
| | | const tempFilePath = res.tempFilePaths[0] |
| | | uni.showLoading({ title: '转换中', mask: true }) |
| | | this.imageToDotMatrix(tempFilePath).then(pixelArray => { |
| | | this.pixelData = pixelArray |
| | | uni.hideLoading() |
| | | }).catch(err => { |
| | | uni.hideLoading() |
| | | console.error('图片转点阵失败:', err) |
| | | uni.showToast({ title: '图片转点阵失败', icon: 'none' }) |
| | | }) |
| | | } |
| | | }) |
| | | }, |
| | | // 将图片转成点数据,参考generateDotMatrix的采样逻辑 |
| | | imageToDotMatrix(imagePath) { |
| | | return new Promise((resolve, reject) => { |
| | | // 先获取图片信息,得到原始宽高用于按比例缩放 |
| | | uni.getImageInfo({ |
| | | src: imagePath, |
| | | success: (imgInfo) => { |
| | | console.log('getImageInfo', JSON.stringify(imgInfo)) |
| | | const imgW = imgInfo.width |
| | | const imgH = imgInfo.height |
| | | if (!imgW || !imgH) { |
| | | reject(new Error('图片尺寸异常')) |
| | | return |
| | | } |
| | | // 等比缩放,使图片完整包含在画布内并居中 |
| | | const scale = Math.min(this.canvasWidth / imgW, this.canvasHeight / imgH) |
| | | const drawW = imgW * scale |
| | | const drawH = imgH * scale |
| | | const drawX = (this.canvasWidth - drawW) / 2 |
| | | const drawY = (this.canvasHeight - drawH) / 2 |
| | | |
| | | ctx = uni.createCanvasContext('myCanvas', this) |
| | | ctx.clearRect(0, 0, this.canvasWidth, this.canvasHeight) |
| | | // 将缩放后的图片绘制到画布 |
| | | ctx.drawImage(imagePath, drawX, drawY, drawW, drawH) |
| | | ctx.draw(false, () => { |
| | | setTimeout(() => { |
| | | uni.canvasGetImageData({ |
| | | canvasId: 'myCanvas', |
| | | x: 0, |
| | | y: 0, |
| | | width: this.canvasWidth, |
| | | height: this.canvasHeight, |
| | | success: (res) => { |
| | | console.log('canvasGetImageData', JSON.stringify(res)) |
| | | const imageData = res.data |
| | | const colCount = this.width * (this.modeVal == 2 ? 10 : 1) |
| | | const pixelArray = new Array(this.height * colCount).fill('') |
| | | const cellWidth = this.canvasWidth / colCount |
| | | const cellHeight = this.canvasHeight / this.height |
| | | if (!imageData) { |
| | | reject(new Error('读取图片像素数据异常')) |
| | | return |
| | | } |
| | | // 按格子采样,判断每个格子是否为前景(暗)像素 |
| | | for (let y = 0; y < this.height; y++) { |
| | | for (let x = 0; x < colCount; x++) { |
| | | let darkPixels = 0 |
| | | let totalPixels = 0 |
| | | for (let py = 0; py < cellHeight; py++) { |
| | | for (let px = 0; px < cellWidth; px++) { |
| | | const pixelY = Math.floor(y * cellHeight + py) |
| | | const pixelX = Math.floor(x * cellWidth + px) |
| | | const idx = (pixelY * this.canvasWidth + pixelX) * 4 |
| | | const r = imageData[idx] |
| | | const g = imageData[idx + 1] |
| | | const b = imageData[idx + 2] |
| | | const a = imageData[idx + 3] |
| | | const brightness = 0.3 * r + 0.59 * g + 0.11 * b |
| | | if (brightness < 128 && a > 128) { |
| | | darkPixels++ |
| | | } |
| | | totalPixels++ |
| | | } |
| | | } |
| | | const isDark = darkPixels / totalPixels > 0.3 |
| | | const arrayIndex = y * colCount + x |
| | | pixelArray[arrayIndex] = isDark ? this.color : '' |
| | | } |
| | | } |
| | | resolve(pixelArray) |
| | | }, |
| | | fail: (err) => { |
| | | reject(err) |
| | | } |
| | | }) |
| | | }, 1000) |
| | | }) |
| | | }, |
| | | fail: (err) => { |
| | | reject(err) |
| | | } |
| | | }) |
| | | }) |
| | | }, |
| | | openPreview() { |
| | | if (this.fpsList.length === 0 || this.fpsList.every(f => f === null || f === undefined)) { |
| | | uni.showToast({ |
| | |
| | | gap: 10rpx; |
| | | z-index: 9; |
| | | } |
| | | // 移动模式按钮组:8个按钮需要换行排列 |
| | | .move_controls { |
| | | flex-wrap: wrap; |
| | | justify-content: flex-start; |
| | | max-width: calc(100vw - 200rpx); |
| | | ::v-deep .uv-button { |
| | | margin: 4rpx 0; |
| | | } |
| | | } |
| | | .exit_btn{ |
| | | position: absolute; |
| | | right: 30rpx; |