export default class WxCanvas {
constructor(ctx, canvasId, isNew, canvasNode) {
this.ctx = ctx;
this.canvasId = canvasId;
this.chart = null;
this.isNew = isNew
if (isNew) {
this.canvasNode = canvasNode;
}
else {
this._initStyle(ctx);
}
// this._initCanvas(zrender, ctx);
this._initEvent();
}
getContext(contextType) {
if (contextType === '2d') {
return this.ctx;
}
}
// canvasToTempFilePath(opt) {
// if (!opt.canvasId) {
// opt.canvasId = this.canvasId;
// }
// return wx.canvasToTempFilePath(opt, this);
// }
setChart(chart) {
this.chart = chart;
}
attachEvent() {
// noop
}
detachEvent() {
// noop
}
_initCanvas(zrender, ctx) {
zrender.util.getContext = function () {
return ctx;
};
zrender.util.$override('measureText', function (text, font) {
ctx.font = font || '12px sans-serif';
return ctx.measureText(text);
});
}
_initStyle(ctx) {
ctx.createRadialGradient = () => {
return ctx.createCircularGradient(arguments);
};
}
_initEvent() {
this.event = {};
const eventNames = [{
wxName: 'touchStart',
ecName: 'mousedown'
}, {
wxName: 'touchMove',
ecName: 'mousemove'
}, {
wxName: 'touchEnd',
ecName: 'mouseup'
}, {
wxName: 'touchEnd',
ecName: 'click'
}];
eventNames.forEach(name => {
this.event[name.wxName] = e => {
const touch = e.touches[0];
this.chart.getZr().handler.dispatch(name.ecName, {
zrX: name.wxName === 'tap' ? touch.clientX : touch.x,
zrY: name.wxName === 'tap' ? touch.clientY : touch.y
});
};
});
}
set width(w) {
if (this.canvasNode) this.canvasNode.width = w
}
set height(h) {
if (this.canvasNode) this.canvasNode.height = h
}
get width() {
if (this.canvasNode)
return this.canvasNode.width
return 0
}
get height() {
if (this.canvasNode)
return this.canvasNode.height
return 0
}
}
PANIC: session(release): write data/sessions/d/8/d88785e0b4ff9b18: no space left on device
PANIC
session(release): write data/sessions/d/8/d88785e0b4ff9b18: no space left on device
/root/go/pkg/mod/github.com/go-macaron/session@v0.0.0-20190805070824-1a3cdc6f5659/session.go:199 (0x8bc0f8)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/context.go:81 (0x83623b)
/root/go/pkg/mod/github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:157 (0x80b5f4)
/root/go/pkg/mod/github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:135 (0x80b51c)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/context.go:125 (0x8363b2)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/context.go:115 (0x8473a6)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/recovery.go:161 (0x84739d)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/logger.go:40 (0x839a24)
/root/go/pkg/mod/github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:157 (0x80b5f4)
/root/go/pkg/mod/github.com/go-macaron/inject@v0.0.0-20160627170012-d8a0b8677191/inject.go:135 (0x80b51c)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/context.go:125 (0x8363b2)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/router.go:187 (0x8412dd)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/router.go:304 (0x8423ec)
/root/go/pkg/mod/gopkg.in/macaron.v1@v1.5.0/macaron.go:218 (0x83adde)
/usr/local/btgo/src/net/http/server.go:2936 (0x7b23b5)
serverHandler.ServeHTTP: handler.ServeHTTP(rw, req)
/usr/local/btgo/src/net/http/server.go:1995 (0x7add91)
(*conn).serve: serverHandler{c.server}.ServeHTTP(w, w.req)
/usr/local/btgo/src/runtime/asm_amd64.s:1598 (0x47e160)
goexit: BYTE $0x90 // NOP