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| import request from '@/utils/request'
| import Qs from 'qs'
|
| export function listAdvert(query) {
| return request({
| method: 'get',
| params: {
| _gp: 'admin.advert',
| _mt: 'list',
| ...query
| }
| })
| }
|
| export function createAdvert(data) {
| return request({
| method: 'post',
| data: Qs.stringify({
| _gp: 'admin.advert',
| _mt: 'create',
| ...data
| })
| })
| }
|
| export function editAdvert(data) {
| return request({
| method: 'post',
| data: Qs.stringify({
| _gp: 'admin.advert',
| _mt: 'edit',
| ...data,
| adId: data.id
| })
| })
| }
|
| export function deleteAdvert(id, type) {
| return request({
| method: 'post',
| data: Qs.stringify({
| _gp: 'admin.advert',
| _mt: 'delete',
| adId: id,
| type: type
| })
| })
| }
|
| /**
| * 获取某个画布上的颜色点平均值，用于计算广告主色调
| * @param {} canvas
| * @param {} img
| */
| export function getImageColor(canvas, img) {
| canvas.width = img.width
| canvas.height = img.height
| var context = canvas.getContext('2d')
| context.drawImage(img, 0, 0)
| // 获取像素数据
| var data = context.getImageData(0, 0, img.width, img.height).data
| var r, g, b
| r = g = b = 0
| // 取所有像素的平均值
| for (var row = 0; row < img.height; row++) {
| for (var col = 0; col < img.width; col++) {
| r += data[((img.width * row) + col) * 4]
| g += data[((img.width * row) + col) * 4 + 1]
| b += data[((img.width * row) + col) * 4 + 2]
| }
| }
| // 求取平均值
| r /= (img.width * img.height)
| g /= (img.width * img.height)
| b /= (img.width * img.height)
| // 将最终的值取整
| r = Math.round(r)
| g = Math.round(g)
| b = Math.round(b)
| return 'rgb(' + r + ',' + g + ',' + b + ')'
| }
|
|
