errorfun: function () { console.log('canvas onerror') }, longtapfun: function () { console.log('canvas longtap') } } </script> 版本更新说明 版本 发布日期 描述 1030 2018-10-31 第一次正式发布。相关链接 案例 保存canvas绘制内容到相册,无法看到绘制内容 华为快应用中通过setInterval绘制canvas...
Plug-in (plugin) Plug-in Assembly (PluginAssembly) Plug-in Trace Log (PluginTraceLog) Plug-in Type (PluginType) Plug-in Type Statistic (PluginTypeStatistic) Plugin Package (PluginPackage) PM Analysis History (msdyn_pmanalysishistory) PM Business Rule Automation Config (msdyn_pmbusinessruleautoma...
LoadData– Loads a collection from an app host such as a local device. Location– Returns your location as a map coordinate by using the Global Positioning System (GPS) and other information. Log– Returns the logarithm in any base of a number. ...
启动之后,页面变成了目录 检查/var/log/apache2/error.log,报错信息如下,又执行一次passenger安装、配置 代码语言:javascript 复制 [E2022-07-1520:46:57.582332138/T3v age/Cor/App/Implementation.cpp:211]:Cannot render an error page:Cannot open'/usr/share/passenger/templates/error_renderer/with_details/dis...
参考如何解决画布模糊问题。 小程序前端实现图片转换base64图片数据 参考小程序前端实现图片转换base64图片数据。 小程序canvas生成图片保存 可以使用CanvasContext.toTempFilePath把当前画布的内容导出生成图片,并返回文件路径。 注:返回的文件路径是临时路径,所以还需要通过my.saveImage保存图片到相册。
txt.gz log not found! 11-04 14:49:23.692 23347 15543 D ErrorSaveTask: verifyError()--occurTime: 1604472563616 11-04 14:49:23.692 23347 15543 E ErrorSaveTask: verifyError(): occur time is empty or app name is empty, return false 11-04 14:49:23.692 23347 15543 D ErrorSaveTask: m...
console.log('Canvas toTempFilePath data ='+data); }, complete: () => { console.log('Canvas toTempFilePath complete.'); } }) } img.onerror = function () { console.log("Image load fail."); }, Generated image that is exported createLinearGradient() Description Creates a linear grad...
html2canvas是一个开源的JavaScript库,用于将网页中的HTML元素转换为Canvas图像。它可以用于实现网页截图、生成PDF、打印等功能。然而,html2canvas在处理包含位置绝对值的SVG时可能会失败。 SVG(Scalable Vector Graphics)是一种基于XML的矢量图形格式,它可以通过坐标定位来描述图形。当SVG中包含位置绝对值(如绝对定位...
npm ERR! node-pre-gyp ERR! node-pre-gyp -v v1.0.8 npm ERR! node-pre-gyp ERR! not ok npm ERR! A complete log of this run can be found in: npm ERR! /Users/kot3616/.npm/_logs/2022-05-06T21_06_58_884Z-debug-0.log kot3616@http://extqacx-wdio-summary %...
log.h native_buffer.h native_image.h native_interface_xcomponent.h native_vsync.h raw_dir.h raw_file_manager.h raw_file.h context.h data_type.h format.h model.h status.h tensor.h types.h neural_network_runtime_type.h neural_network_runtime.h na...