取消使用预制动画

lefengyang

3 days ago 352a1d78f48cbae03f160d3753e60f29dfa67f24

 ledApp/pages/addTemplate/addTemplate.vue

@@ -31,6 +31,27 @@
               </uv-upload>
            </view>
         </view>
         <view class="temp_item" v-if="!isEditMode">
            <view class="title">
               预制动画
            </view>
            <view class="item">
               <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）'"
                     :name="item.name">
                  </uv-radio>
               </uv-radio-group>
            </view>
         </view>
         <view class="temp_item">
            <view class="title">
               屏幕规格
@@ -91,6 +112,7 @@
            </view>
            <view class="item">
               <uv-button text="编辑" @click="popupAnimationOpen(index)" shape="circle" size="small" color="linear-gradient( 142deg, #6FD2FF 0%, #268DFF 100%)"></uv-button>
               <uv-button text="复制" @click="copyFrame(index)" shape="circle" size="small" color="linear-gradient( 142deg, #FFB347 0%, #FF8C00 100%)"></uv-button>
            </view>
         </view>
      </view>
@@ -127,19 +149,48 @@
            <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;">
               <uv-button type="success" :plain="true" :text="showControls ? '返回' : '操作'" @click="toggleControls"></uv-button>
            <!-- 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="添加文字" @click="addText()"></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="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>
@@ -173,10 +224,47 @@
      <!-- 分辨率 -->
      <uv-picker ref="pickerRatio" :columns="columnsRatio" @confirm="confirmRatio"></uv-picker>
      
      <!-- 颜色 -->
      <!-- 颜色选择器 -->
      <uv-popup ref="pickerColor" mode="bottom" round="10" :closeable="true">
         <view class="color_list">
            <view class="color_item" v-for="(item, index) in colorList" :class="{ hover: color === item }" :key="index" :style="{ backgroundColor: item }" @click="clickColor(item)"></view>
         <scroll-view scroll-y :show-scrollbar="false" class="color-picker-scroll">
            <view class="color-picker-wrapper">
               <view class="color-picker-inner">
                  <x-color-picker
                     v-model="color"
                     :show-alpha="false"
                     :save-history="true"
                     :options="pickerOptions"
                     @confirm="onColorConfirm"
                     @cancel="onColorCancel" />
               </view>
            </view>
         </scroll-view>
      </uv-popup>
		
      <!-- 添加文字弹窗 -->
      <uv-popup ref="popupText" mode="center" round="10" :safeAreaInsetTop="false" :safeAreaInsetBottom="false" :zoom="false" duration="0">
         <view class="text_popup">
            <view class="text_popup_title">添加文字</view>
            <view class="text_popup_item">
               <view class="text_popup_label">文字</view>
               <view class="text_popup_input">
                  <uv-input placeholder="请输入文字" border="none" v-model="tempText" fontSize="16px"
                     customStyle="background: #ECEFF6;padding:8px 10px;border-radius: 6px;"></uv-input>
               </view>
            </view>
            <view class="text_popup_item">
               <view class="text_popup_label">类型</view>
               <view class="text_popup_type">
                  <uv-radio-group v-model="textType" placement="row" labelSize="16px" style="gap:10px;">
                     <uv-radio label="覆盖" name="overwrite"></uv-radio>
                     <uv-radio label="追加" name="append"></uv-radio>
                  </uv-radio-group>
               </view>
            </view>
            <view class="text_popup_btn">
               <uv-button type="info" text="取消" @click="closeTextPopup"></uv-button>
               <uv-button type="primary" text="确定" @click="confirmAddText" customStyle=""></uv-button>
            </view>
         </view>
      </uv-popup>
      
@@ -187,7 +275,8 @@
   import {
      templeteAdd,
      templeteInfo,
      templeteEdit
      templeteEdit,
      templeteList
   } from '@/api/api.js'
   let ctx = null
   export default {
@@ -257,17 +346,11 @@
            // columnsRatio: [
            //    ['12*24']
            // ],
            colorList: [
               '#FF0000',
               '#00FF00',
               '#0000FF',
               '#FFFF00',
               '#FFA500',
               '#800080',
               '#00FFFF',
               '#FFC0CB'
            ],
            fpsIndex: 0,
            color: '#FF0000',
            gridRect: null,
            pickerOptions: {
               width: 680,
            },
            fpsList: [],
            tId: '',
            tempInfo:{},
@@ -279,7 +362,14 @@
            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: [],
            selectedPreset: '',
            isEditMode: false,
         }
      },
      computed: {
@@ -295,9 +385,12 @@
            this.tId = opt.id
            this.getTempleteInfo()
            this.titleName = '编辑模版'
            this.isEditMode = true
         }
         else{
            this.titleName = '新增模版'
            this.isEditMode = false
            this.getPresetList()
         }
      },
      onShow() {
@@ -317,6 +410,40 @@
         }
      },
      methods: {
         getPresetList() {
            templeteList({
               userId: 1,
               pageNum: 1,
               pageSize: 99
            }).then(res => {
               console.log('预制动画列表-------', res.rows)
               if(res.code == 200){
                  this.presetList = res.rows || []
               }
            })
         },
         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.modeVal = preset.mode
               this.total = preset.fpsTotal
               this.speed = preset.speed
               if (preset.fpsList) {
                  this.fpsList = JSON.parse(preset.fpsList)
               }
            }
         },
         handleScroll(e){
            this.scrollLeft = e.detail.scrollLeft
         },
@@ -525,9 +652,11 @@
         changeColor() {
            this.$refs.pickerColor.open();
         },
         clickColor(item) {
            console.log('confirmColor---', item);
            this.color = item;
         onColorConfirm(colorObj) {
            this.color = colorObj.hex;
            this.$refs.pickerColor.close();
         },
         onColorCancel() {
            this.$refs.pickerColor.close();
         },
         changeRatio() {
@@ -561,14 +690,14 @@
         getCellByTouch(touch, cb) {
            this.getGridRect(rect => {
               if (!rect) return
               const x = touch.clientX - rect.left + this.scrollLeft
               const x = touch.clientX + this.scrollLeft
               const y = touch.clientY - rect.top
               const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
               const cellWidth = rect.width / colCount
               const cellHeight = rect.height / this.height
               const colIndex = Math.floor(x / cellWidth)
               const rowIndex = Math.floor(y / cellHeight)
               console.log('colCount', colCount, 'colIndex', colIndex)
               //console.log('colCount', colCount, 'rowIndex', rowIndex, 'colIndex', colIndex, x, cellWidth)
               if (
                  colIndex >= 0 && colIndex < colCount &&
                  rowIndex >= 0 && rowIndex < this.height
@@ -623,6 +752,160 @@
            // 将所有像素点设置为空字符串
            this.pixelData = new Array(this.height * colCount).fill('')
         },
         shiftLeft() {
            const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
            for (let r = 0; r < this.height; r++) {
               const rowStart = r * colCount
               const row = this.pixelData.slice(rowStart, rowStart + colCount)
               const shifted = row.slice(1).concat(row.slice(0, 1))
               for (let c = 0; c < colCount; c++) {
                  this.$set(this.pixelData, rowStart + c, shifted[c])
               }
            }
         },
         shiftRight() {
            const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
            for (let r = 0; r < this.height; r++) {
               const rowStart = r * colCount
               const row = this.pixelData.slice(rowStart, rowStart + colCount)
               const shifted = row.slice(colCount - 1).concat(row.slice(0, colCount - 1))
               for (let c = 0; c < colCount; c++) {
                  this.$set(this.pixelData, rowStart + c, shifted[c])
               }
            }
         },
         shiftDown() {
            const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
            const lastRowStart = (this.height - 1) * colCount
            const lastRow = this.pixelData.slice(lastRowStart, lastRowStart + colCount)
            for (let r = this.height - 1; r > 0; r--) {
               const currentStart = r * colCount
               const prevStart = (r - 1) * colCount
               for (let c = 0; c < colCount; c++) {
                  this.$set(this.pixelData, currentStart + c, this.pixelData[prevStart + c])
               }
            }
            for (let c = 0; c < colCount; c++) {
               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.$set(this.fpsList, currentIndex, this.pixelData.slice())
            }
         },
         // 多帧移动:所有帧同时左移
         multiShiftLeft() {
            this.applyTransformToAllFrames('shiftLeft')
         },
         // 多帧移动:所有帧同时上移
         multiShiftUp() {
            this.applyTransformToAllFrames('shiftUp')
         },
         // 多帧移动:所有帧同时下移
         multiShiftDown() {
            this.applyTransformToAllFrames('shiftDown')
         },
         // 多帧移动:所有帧同时右移
         multiShiftRight() {
            this.applyTransformToAllFrames('shiftRight')
         },
         // 多帧移动:所有帧同时180度旋转
         multiRotate180() {
            this.applyTransformToAllFrames('rotate180')
         },
         // 多帧移动:所有帧同时左右镜像
         multiFlipHorizontal() {
            this.applyTransformToAllFrames('flipHorizontal')
         },
         // 多帧移动:所有帧同时上下镜像
         multiFlipVertical() {
            this.applyTransformToAllFrames('flipVertical')
         },
         toggleControls() {
            this.showControls = !this.showControls;
         },
@@ -664,6 +947,30 @@
            this.$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) {
            uni.showModal({
               title: '提示',
               content: '确定要复制当前帧吗？',
               success: (res) => {
                  if (res.confirm) {
                     const source = this.fpsList[index];
                     const copy = source ? [...source] : null;
                     this.fpsList.splice(index + 1, 0, copy);
                     this.total = this.fpsList.length;
                     uni.showToast({
                        title: '复制成功',
                        icon: 'success',
                        duration: 1500
                     });
                  }
               }
            });
         },
         // 屏幕规格
         changeSpec(e) {
@@ -851,7 +1158,7 @@
            })
         },
         // 生成点阵数据
         generateDotMatrix(char) {
         generateDotMatrix(char, startCol = null) {
            return new Promise((resolve, reject) => {
         
               // 使用 uni-app 的 canvas context
@@ -864,8 +1171,14 @@
               // 绘制文字
               // 垂直居中，稍微向上偏移一点
               const y = this.canvasHeight / 2 + 10;
               const colCount = this.width * (this.modeVal == 2 ? 10 : 1)
               
               if (this.modeVal == 2) {
               if (startCol !== null) {
                  ctx.setTextAlign('left')
                  const cellWidth = this.canvasWidth / colCount;
                  const x = startCol * cellWidth;
                  ctx.fillText(char, x, y);
               } else if (this.modeVal == 2) {
                  // 滚动动画：文字靠左对齐
                  ctx.setTextAlign('left')
                  const x = 20;
@@ -1019,38 +1332,66 @@
               this.previewTimer = null;
            }
         },
         // 修改添加文字方法
         async addText() {
            uni.showModal({
               title: '添加文字',
               content: '',
               editable: true,
               placeholderText: '请输入文字',
               success: async (res) => {
                  if (res.confirm) {
                     const text = res.content;
                     if (text.length > 0) {
                        try {
                           // 生成点阵数据
                           const dotMatrix = await this.generateDotMatrix(text);
                           console.log('点阵数据：', dotMatrix);
                           this.pixelData = dotMatrix
                        } catch (error) {
                           console.error('生成点阵失败：', error);
                           uni.showToast({
                              title: '生成点阵失败',
                              icon: 'none'
                           });
                        }
                     } else {
                        uni.showToast({
                           title: '请输入文字',
                           icon: 'none'
                        });
                     }
         addText() {
            this.tempText = '';
            this.textType = 'overwrite';
            this.$refs.popupText.open();
         },
         closeTextPopup() {
            this.$refs.popupText.close();
         },
         async confirmAddText() {
            const text = this.tempText;
            if (!text || text.length === 0) {
               uni.showToast({
                  title: '请输入文字',
                  icon: 'none'
               });
               return;
            }
				
            try {
               if (this.textType === 'overwrite') {
                  const dotMatrix = await this.generateDotMatrix(text);
                  this.pixelData = dotMatrix;
               } else {
                  const colCount = this.width * (this.modeVal == 2 ? 10 : 1);
                  const rightmostCol = this.findRightmostNonEmptyCol(colCount);
                  const startCol = rightmostCol === -1 ? 0 : rightmostCol + 2;
                  const dotMatrix = await this.generateDotMatrix(text, startCol);
                  this.mergePixelData(dotMatrix);
               }
               this.$refs.popupText.close();
            } catch (error) {
               console.error('生成点阵失败：', error);
               uni.showToast({
                  title: '生成点阵失败',
                  icon: 'none'
               });
            }
         },
         findRightmostNonEmptyCol(colCount) {
            for (let col = colCount - 1; col >= 0; col--) {
               let isEmpty = true;
               for (let row = 0; row < this.height; row++) {
                  const index = row * colCount + col;
                  if (this.pixelData[index] !== '' && this.pixelData[index] !== null && this.pixelData[index] !== undefined) {
                     isEmpty = false;
                     break;
                  }
               }
            });
               if (!isEmpty) {
                  return col;
               }
            }
            return -1;
         },
         mergePixelData(dotMatrix) {
            for (let i = 0; i < dotMatrix.length; i++) {
               if (dotMatrix[i] !== '' && dotMatrix[i] !== null && dotMatrix[i] !== undefined) {
                  this.$set(this.pixelData, i, dotMatrix[i]);
               }
            }
         },
      }
   }
@@ -1070,20 +1411,17 @@
      justify-content: center;
      margin-bottom: 15rpx;
   }
   .color_list {
      width: 100%;
   .color_picker_wrapper {
      padding: 30rpx 0;
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 30rpx;
   }
   .color-picker-scroll {
      max-height: 90vh;
      box-sizing: border-box;
      padding: 50rpx;
	
      .color_item {
         width: 30rpx;
         height: 30rpx;
         border-radius: 5rpx;
      }
   }
   .color-picker-wrapper {
      //zoom: 0.5;
   }
   
   .action_btn {
@@ -1099,11 +1437,20 @@
   .controls {
      position: absolute;
      bottom: 10rpx;
      left: 110rpx;
      left: 100rpx;
      display: flex;
      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;
@@ -1269,7 +1616,11 @@

         }

         .item {}
         .item {
            flex-direction:row;
            gap:20rpx;
            display:flex;
         }
      }

      .temp_item {
@@ -1311,4 +1662,49 @@
      background: url('/static/img/bg_2.jpg') no-repeat center top;
      background-size: 100% auto;
   }
	
   .text_popup {
      width: 600rpx;
      background: #fff;
      border-radius: 20rpx;
      padding: 40rpx 30rpx;
      box-sizing: border-box;
		
      .text_popup_title {
         font-size: 16px;
         font-weight: bold;
         color: #333;
         text-align: center;
         margin-bottom: 15px;
      }
		
      .text_popup_item {
         display: flex;
         align-items: center;
         margin-bottom: 15px;
			
         .text_popup_label {
            width: 50px;
            font-size: 16px;
            color: #666;
            flex-shrink: 0;
         }
			
         .text_popup_input {
            flex: 1;
            font-size: 16px;
         }
			
         .text_popup_type {
            flex: 1;
         }
      }
		
      .text_popup_btn {
         display: flex;
         margin-top: 20px;
         justify-content: center;
         gap: 20px;
      }
   }
</style>